diff options
Diffstat (limited to 'xorg-server/exa')
| -rw-r--r-- | xorg-server/exa/exa.h | 1686 | ||||
| -rw-r--r-- | xorg-server/exa/exa_classic.c | 532 | ||||
| -rw-r--r-- | xorg-server/exa/exa_driver.c | 452 | ||||
| -rw-r--r-- | xorg-server/exa/exa_migration_mixed.c | 522 | ||||
| -rw-r--r-- | xorg-server/exa/exa_mixed.c | 580 | ||||
| -rw-r--r-- | xorg-server/exa/exa_priv.h | 1450 |
6 files changed, 2611 insertions, 2611 deletions
diff --git a/xorg-server/exa/exa.h b/xorg-server/exa/exa.h index 6de63008e..3109607d8 100644 --- a/xorg-server/exa/exa.h +++ b/xorg-server/exa/exa.h @@ -1,843 +1,843 @@ -/* - * - * Copyright (C) 2000 Keith Packard - * 2004 Eric Anholt - * 2005 Zack Rusin - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of copyright holders not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Copyright holders make no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -/** @file - * This is the header containing the public API of EXA for exa drivers. - */ - -#ifndef EXA_H -#define EXA_H - -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "windowstr.h" -#include "gcstruct.h" -#include "picturestr.h" -#include "fb.h" - -#define EXA_VERSION_MAJOR 2 -#define EXA_VERSION_MINOR 5 -#define EXA_VERSION_RELEASE 0 - -typedef struct _ExaOffscreenArea ExaOffscreenArea; - -typedef void (*ExaOffscreenSaveProc) (ScreenPtr pScreen, ExaOffscreenArea *area); - -typedef enum _ExaOffscreenState { - ExaOffscreenAvail, - ExaOffscreenRemovable, - ExaOffscreenLocked -} ExaOffscreenState; - -struct _ExaOffscreenArea { - int base_offset; /* allocation base */ - int offset; /* aligned offset */ - int size; /* total allocation size */ - unsigned last_use; - pointer privData; - - ExaOffscreenSaveProc save; - - ExaOffscreenState state; - - ExaOffscreenArea *next; - - unsigned eviction_cost; - - ExaOffscreenArea *prev; /* Double-linked list for defragmentation */ - int align; /* required alignment */ -}; - -/** - * The ExaDriver structure is allocated through exaDriverAlloc(), and then - * fllled in by drivers. - */ -typedef struct _ExaDriver { - /** - * exa_major and exa_minor should be set by the driver to the version of - * EXA which the driver was compiled for (or configures itself at runtime - * to support). This allows EXA to extend the structure for new features - * without breaking ABI for drivers compiled against older versions. - */ - int exa_major, exa_minor; - - /** - * memoryBase is the address of the beginning of framebuffer memory. - * The visible screen should be within memoryBase to memoryBase + - * memorySize. - */ - CARD8 *memoryBase; - - /** - * offScreenBase is the offset from memoryBase of the beginning of the area - * to be managed by EXA's linear offscreen memory manager. - * - * In XFree86 DDX drivers, this is probably: - * (pScrn->displayWidth * cpp * pScrn->virtualY) - */ - unsigned long offScreenBase; - - /** - * memorySize is the length (in bytes) of framebuffer memory beginning - * from memoryBase. - * - * The offscreen memory manager will manage the area beginning at - * (memoryBase + offScreenBase), with a length of (memorySize - - * offScreenBase) - * - * In XFree86 DDX drivers, this is probably (pScrn->videoRam * 1024) - */ - unsigned long memorySize; - - /** - * pixmapOffsetAlign is the byte alignment necessary for pixmap offsets - * within framebuffer. - * - * Hardware typically has a required alignment of offsets, which may or may - * not be a power of two. EXA will ensure that pixmaps managed by the - * offscreen memory manager meet this alignment requirement. - */ - int pixmapOffsetAlign; - - /** - * pixmapPitchAlign is the byte alignment necessary for pixmap pitches - * within the framebuffer. - * - * Hardware typically has a required alignment of pitches for acceleration. - * For 3D hardware, Composite acceleration often requires that source and - * mask pixmaps (textures) have a power-of-two pitch, which can be demanded - * using EXA_OFFSCREEN_ALIGN_POT. These pitch requirements only apply to - * pixmaps managed by the offscreen memory manager. Thus, it is up to the - * driver to ensure that the visible screen has an appropriate pitch for - * acceleration. - */ - int pixmapPitchAlign; - - /** - * The flags field is bitfield of boolean values controlling EXA's behavior. - * - * The flags in clude EXA_OFFSCREEN_PIXMAPS, EXA_OFFSCREEN_ALIGN_POT, and - * EXA_TWO_BITBLT_DIRECTIONS. - */ - int flags; - - /** @{ */ - /** - * maxX controls the X coordinate limitation for rendering from the card. - * The driver should never receive a request for rendering beyond maxX - * in the X direction from the origin of a pixmap. - */ - int maxX; - - /** - * maxY controls the Y coordinate limitation for rendering from the card. - * The driver should never receive a request for rendering beyond maxY - * in the Y direction from the origin of a pixmap. - */ - int maxY; - /** @} */ - - /* private */ - ExaOffscreenArea *offScreenAreas; - Bool needsSync; - int lastMarker; - - /** @name Solid - * @{ - */ - /** - * PrepareSolid() sets up the driver for doing a solid fill. - * @param pPixmap Destination pixmap - * @param alu raster operation - * @param planemask write mask for the fill - * @param fg "foreground" color for the fill - * - * This call should set up the driver for doing a series of solid fills - * through the Solid() call. The alu raster op is one of the GX* - * graphics functions listed in X.h, and typically maps to a similar - * single-byte "ROP" setting in all hardware. The planemask controls - * which bits of the destination should be affected, and will only represent - * the bits up to the depth of pPixmap. The fg is the pixel value of the - * foreground color referred to in ROP descriptions. - * - * Note that many drivers will need to store some of the data in the driver - * private record, for sending to the hardware with each drawing command. - * - * The PrepareSolid() call is required of all drivers, but it may fail for any - * reason. Failure results in a fallback to software rendering. - */ - Bool (*PrepareSolid) (PixmapPtr pPixmap, - int alu, - Pixel planemask, - Pixel fg); - - /** - * Solid() performs a solid fill set up in the last PrepareSolid() call. - * - * @param pPixmap destination pixmap - * @param x1 left coordinate - * @param y1 top coordinate - * @param x2 right coordinate - * @param y2 bottom coordinate - * - * Performs the fill set up by the last PrepareSolid() call, covering the - * area from (x1,y1) to (x2,y2) in pPixmap. Note that the coordinates are - * in the coordinate space of the destination pixmap, so the driver will - * need to set up the hardware's offset and pitch for the destination - * coordinates according to the pixmap's offset and pitch within - * framebuffer. This likely means using exaGetPixmapOffset() and - * exaGetPixmapPitch(). - * - * This call is required if PrepareSolid() ever succeeds. - */ - void (*Solid) (PixmapPtr pPixmap, int x1, int y1, int x2, int y2); - - /** - * DoneSolid() finishes a set of solid fills. - * - * @param pPixmap destination pixmap. - * - * The DoneSolid() call is called at the end of a series of consecutive - * Solid() calls following a successful PrepareSolid(). This allows drivers - * to finish up emitting drawing commands that were buffered, or clean up - * state from PrepareSolid(). - * - * This call is required if PrepareSolid() ever succeeds. - */ - void (*DoneSolid) (PixmapPtr pPixmap); - /** @} */ - - /** @name Copy - * @{ - */ - /** - * PrepareCopy() sets up the driver for doing a copy within video - * memory. - * - * @param pSrcPixmap source pixmap - * @param pDstPixmap destination pixmap - * @param dx X copy direction - * @param dy Y copy direction - * @param alu raster operation - * @param planemask write mask for the fill - * - * This call should set up the driver for doing a series of copies from the - * the pSrcPixmap to the pDstPixmap. The dx flag will be positive if the - * hardware should do the copy from the left to the right, and dy will be - * positive if the copy should be done from the top to the bottom. This - * is to deal with self-overlapping copies when pSrcPixmap == pDstPixmap. - * If your hardware can only support blits that are (left to right, top to - * bottom) or (right to left, bottom to top), then you should set - * #EXA_TWO_BITBLT_DIRECTIONS, and EXA will break down Copy operations to - * ones that meet those requirements. The alu raster op is one of the GX* - * graphics functions listed in X.h, and typically maps to a similar - * single-byte "ROP" setting in all hardware. The planemask controls which - * bits of the destination should be affected, and will only represent the - * bits up to the depth of pPixmap. - * - * Note that many drivers will need to store some of the data in the driver - * private record, for sending to the hardware with each drawing command. - * - * The PrepareCopy() call is required of all drivers, but it may fail for any - * reason. Failure results in a fallback to software rendering. - */ - Bool (*PrepareCopy) (PixmapPtr pSrcPixmap, - PixmapPtr pDstPixmap, - int dx, - int dy, - int alu, - Pixel planemask); - - /** - * Copy() performs a copy set up in the last PrepareCopy call. - * - * @param pDstPixmap destination pixmap - * @param srcX source X coordinate - * @param srcY source Y coordinate - * @param dstX destination X coordinate - * @param dstY destination Y coordinate - * @param width width of the rectangle to be copied - * @param height height of the rectangle to be copied. - * - * Performs the copy set up by the last PrepareCopy() call, copying the - * rectangle from (srcX, srcY) to (srcX + width, srcY + width) in the source - * pixmap to the same-sized rectangle at (dstX, dstY) in the destination - * pixmap. Those rectangles may overlap in memory, if - * pSrcPixmap == pDstPixmap. Note that this call does not receive the - * pSrcPixmap as an argument -- if it's needed in this function, it should - * be stored in the driver private during PrepareCopy(). As with Solid(), - * the coordinates are in the coordinate space of each pixmap, so the driver - * will need to set up source and destination pitches and offsets from those - * pixmaps, probably using exaGetPixmapOffset() and exaGetPixmapPitch(). - * - * This call is required if PrepareCopy ever succeeds. - */ - void (*Copy) (PixmapPtr pDstPixmap, - int srcX, - int srcY, - int dstX, - int dstY, - int width, - int height); - - /** - * DoneCopy() finishes a set of copies. - * - * @param pPixmap destination pixmap. - * - * The DoneCopy() call is called at the end of a series of consecutive - * Copy() calls following a successful PrepareCopy(). This allows drivers - * to finish up emitting drawing commands that were buffered, or clean up - * state from PrepareCopy(). - * - * This call is required if PrepareCopy() ever succeeds. - */ - void (*DoneCopy) (PixmapPtr pDstPixmap); - /** @} */ - - /** @name Composite - * @{ - */ - /** - * CheckComposite() checks to see if a composite operation could be - * accelerated. - * - * @param op Render operation - * @param pSrcPicture source Picture - * @param pMaskPicture mask picture - * @param pDstPicture destination Picture - * - * The CheckComposite() call checks if the driver could handle acceleration - * of op with the given source, mask, and destination pictures. This allows - * drivers to check source and destination formats, supported operations, - * transformations, and component alpha state, and send operations it can't - * support to software rendering early on. This avoids costly pixmap - * migration to the wrong places when the driver can't accelerate - * operations. Note that because migration hasn't happened, the driver - * can't know during CheckComposite() what the offsets and pitches of the - * pixmaps are going to be. - * - * See PrepareComposite() for more details on likely issues that drivers - * will have in accelerating Composite operations. - * - * The CheckComposite() call is recommended if PrepareComposite() is - * implemented, but is not required. - */ - Bool (*CheckComposite) (int op, - PicturePtr pSrcPicture, - PicturePtr pMaskPicture, - PicturePtr pDstPicture); - - /** - * PrepareComposite() sets up the driver for doing a Composite operation - * described in the Render extension protocol spec. - * - * @param op Render operation - * @param pSrcPicture source Picture - * @param pMaskPicture mask picture - * @param pDstPicture destination Picture - * @param pSrc source pixmap - * @param pMask mask pixmap - * @param pDst destination pixmap - * - * This call should set up the driver for doing a series of Composite - * operations, as described in the Render protocol spec, with the given - * pSrcPicture, pMaskPicture, and pDstPicture. The pSrc, pMask, and - * pDst are the pixmaps containing the pixel data, and should be used for - * setting the offset and pitch used for the coordinate spaces for each of - * the Pictures. - * - * Notes on interpreting Picture structures: - * - The Picture structures will always have a valid pDrawable. - * - The Picture structures will never have alphaMap set. - * - The mask Picture (and therefore pMask) may be NULL, in which case the - * operation is simply src OP dst instead of src IN mask OP dst, and - * mask coordinates should be ignored. - * - pMarkPicture may have componentAlpha set, which greatly changes - * the behavior of the Composite operation. componentAlpha has no effect - * when set on pSrcPicture or pDstPicture. - * - The source and mask Pictures may have a transformation set - * (Picture->transform != NULL), which means that the source coordinates - * should be transformed by that transformation, resulting in scaling, - * rotation, etc. The PictureTransformPoint() call can transform - * coordinates for you. Transforms have no effect on Pictures when used - * as a destination. - * - The source and mask pictures may have a filter set. PictFilterNearest - * and PictFilterBilinear are defined in the Render protocol, but others - * may be encountered, and must be handled correctly (usually by - * PrepareComposite failing, and falling back to software). Filters have - * no effect on Pictures when used as a destination. - * - The source and mask Pictures may have repeating set, which must be - * respected. Many chipsets will be unable to support repeating on - * pixmaps that have a width or height that is not a power of two. - * - * If your hardware can't support source pictures (textures) with - * non-power-of-two pitches, you should set #EXA_OFFSCREEN_ALIGN_POT. - * - * Note that many drivers will need to store some of the data in the driver - * private record, for sending to the hardware with each drawing command. - * - * The PrepareComposite() call is not required. However, it is highly - * recommended for performance of antialiased font rendering and performance - * of cairo applications. Failure results in a fallback to software - * rendering. - */ - Bool (*PrepareComposite) (int op, - PicturePtr pSrcPicture, - PicturePtr pMaskPicture, - PicturePtr pDstPicture, - PixmapPtr pSrc, - PixmapPtr pMask, - PixmapPtr pDst); - - /** - * Composite() performs a Composite operation set up in the last - * PrepareComposite() call. - * - * @param pDstPixmap destination pixmap - * @param srcX source X coordinate - * @param srcY source Y coordinate - * @param maskX source X coordinate - * @param maskY source Y coordinate - * @param dstX destination X coordinate - * @param dstY destination Y coordinate - * @param width destination rectangle width - * @param height destination rectangle height - * - * Performs the Composite operation set up by the last PrepareComposite() - * call, to the rectangle from (dstX, dstY) to (dstX + width, dstY + height) - * in the destination Pixmap. Note that if a transformation was set on - * the source or mask Pictures, the source rectangles may not be the same - * size as the destination rectangles and filtering. Getting the coordinate - * transformation right at the subpixel level can be tricky, and rendercheck - * can test this for you. - * - * This call is required if PrepareComposite() ever succeeds. - */ - void (*Composite) (PixmapPtr pDst, - int srcX, - int srcY, - int maskX, - int maskY, - int dstX, - int dstY, - int width, - int height); - - /** - * DoneComposite() finishes a set of Composite operations. - * - * @param pPixmap destination pixmap. - * - * The DoneComposite() call is called at the end of a series of consecutive - * Composite() calls following a successful PrepareComposite(). This allows - * drivers to finish up emitting drawing commands that were buffered, or - * clean up state from PrepareComposite(). - * - * This call is required if PrepareComposite() ever succeeds. - */ - void (*DoneComposite) (PixmapPtr pDst); - /** @} */ - - /** - * UploadToScreen() loads a rectangle of data from src into pDst. - * - * @param pDst destination pixmap - * @param x destination X coordinate. - * @param y destination Y coordinate - * @param width width of the rectangle to be copied - * @param height height of the rectangle to be copied - * @param src pointer to the beginning of the source data - * @param src_pitch pitch (in bytes) of the lines of source data. - * - * UploadToScreen() copies data in system memory beginning at src (with - * pitch src_pitch) into the destination pixmap from (x, y) to - * (x + width, y + height). This is typically done with hostdata uploads, - * where the CPU sets up a blit command on the hardware with instructions - * that the blit data will be fed through some sort of aperture on the card. - * - * If UploadToScreen() is performed asynchronously, it is up to the driver - * to call exaMarkSync(). This is in contrast to most other acceleration - * calls in EXA. - * - * UploadToScreen() can aid in pixmap migration, but is most important for - * the performance of exaGlyphs() (antialiased font drawing) by allowing - * pipelining of data uploads, avoiding a sync of the card after each glyph. - * - * @return TRUE if the driver successfully uploaded the data. FALSE - * indicates that EXA should fall back to doing the upload in software. - * - * UploadToScreen() is not required, but is recommended if Composite - * acceleration is supported. - */ - Bool (*UploadToScreen) (PixmapPtr pDst, - int x, - int y, - int w, - int h, - char *src, - int src_pitch); - - /** - * UploadToScratch() is no longer used and will be removed next time the EXA - * major version needs to be bumped. - */ - Bool (*UploadToScratch) (PixmapPtr pSrc, - PixmapPtr pDst); - - /** - * DownloadFromScreen() loads a rectangle of data from pSrc into dst - * - * @param pSrc source pixmap - * @param x source X coordinate. - * @param y source Y coordinate - * @param width width of the rectangle to be copied - * @param height height of the rectangle to be copied - * @param dst pointer to the beginning of the destination data - * @param dst_pitch pitch (in bytes) of the lines of destination data. - * - * DownloadFromScreen() copies data from offscreen memory in pSrc from - * (x, y) to (x + width, y + height), to system memory starting at - * dst (with pitch dst_pitch). This would usually be done - * using scatter-gather DMA, supported by a DRM call, or by blitting to AGP - * and then synchronously reading from AGP. Because the implementation - * might be synchronous, EXA leaves it up to the driver to call - * exaMarkSync() if DownloadFromScreen() was asynchronous. This is in - * contrast to most other acceleration calls in EXA. - * - * DownloadFromScreen() can aid in the largest bottleneck in pixmap - * migration, which is the read from framebuffer when evicting pixmaps from - * framebuffer memory. Thus, it is highly recommended, even though - * implementations are typically complicated. - * - * @return TRUE if the driver successfully downloaded the data. FALSE - * indicates that EXA should fall back to doing the download in software. - * - * DownloadFromScreen() is not required, but is highly recommended. - */ - Bool (*DownloadFromScreen)(PixmapPtr pSrc, - int x, int y, - int w, int h, - char *dst, int dst_pitch); - - /** - * MarkSync() requests that the driver mark a synchronization point, - * returning an driver-defined integer marker which could be requested for - * synchronization to later in WaitMarker(). This might be used in the - * future to avoid waiting for full hardware stalls before accessing pixmap - * data with the CPU, but is not important in the current incarnation of - * EXA. - * - * Note that drivers should call exaMarkSync() when they have done some - * acceleration, rather than their own MarkSync() handler, as otherwise EXA - * will be unaware of the driver's acceleration and not sync to it during - * fallbacks. - * - * MarkSync() is optional. - */ - int (*MarkSync) (ScreenPtr pScreen); - - /** - * WaitMarker() waits for all rendering before the given marker to have - * completed. If the driver does not implement MarkSync(), marker is - * meaningless, and all rendering by the hardware should be completed before - * WaitMarker() returns. - * - * Note that drivers should call exaWaitSync() to wait for all acceleration - * to finish, as otherwise EXA will be unaware of the driver having - * synchronized, resulting in excessive WaitMarker() calls. - * - * WaitMarker() is required of all drivers. - */ - void (*WaitMarker) (ScreenPtr pScreen, int marker); - - /** @{ */ - /** - * PrepareAccess() is called before CPU access to an offscreen pixmap. - * - * @param pPix the pixmap being accessed - * @param index the index of the pixmap being accessed. - * - * PrepareAccess() will be called before CPU access to an offscreen pixmap. - * This can be used to set up hardware surfaces for byteswapping or - * untiling, or to adjust the pixmap's devPrivate.ptr for the purpose of - * making CPU access use a different aperture. - * - * The index is one of #EXA_PREPARE_DEST, #EXA_PREPARE_SRC, - * #EXA_PREPARE_MASK, #EXA_PREPARE_AUX_DEST, #EXA_PREPARE_AUX_SRC, or - * #EXA_PREPARE_AUX_MASK. Since only up to #EXA_NUM_PREPARE_INDICES pixmaps - * will have PrepareAccess() called on them per operation, drivers can have - * a small, statically-allocated space to maintain state for PrepareAccess() - * and FinishAccess() in. Note that PrepareAccess() is only called once per - * pixmap and operation, regardless of whether the pixmap is used as a - * destination and/or source, and the index may not reflect the usage. - * - * PrepareAccess() may fail. An example might be the case of hardware that - * can set up 1 or 2 surfaces for CPU access, but not 3. If PrepareAccess() - * fails, EXA will migrate the pixmap to system memory. - * DownloadFromScreen() must be implemented and must not fail if a driver - * wishes to fail in PrepareAccess(). PrepareAccess() must not fail when - * pPix is the visible screen, because the visible screen can not be - * migrated. - * - * @return TRUE if PrepareAccess() successfully prepared the pixmap for CPU - * drawing. - * @return FALSE if PrepareAccess() is unsuccessful and EXA should use - * DownloadFromScreen() to migate the pixmap out. - */ - Bool (*PrepareAccess)(PixmapPtr pPix, int index); - - /** - * FinishAccess() is called after CPU access to an offscreen pixmap. - * - * @param pPix the pixmap being accessed - * @param index the index of the pixmap being accessed. - * - * FinishAccess() will be called after finishing CPU access of an offscreen - * pixmap set up by PrepareAccess(). Note that the FinishAccess() will not be - * called if PrepareAccess() failed and the pixmap was migrated out. - */ - void (*FinishAccess)(PixmapPtr pPix, int index); - - /** - * PixmapIsOffscreen() is an optional driver replacement to - * exaPixmapHasGpuCopy(). Set to NULL if you want the standard behaviour - * of exaPixmapHasGpuCopy(). - * - * @param pPix the pixmap - * @return TRUE if the given drawable is in framebuffer memory. - * - * exaPixmapHasGpuCopy() is used to determine if a pixmap is in offscreen - * memory, meaning that acceleration could probably be done to it, and that it - * will need to be wrapped by PrepareAccess()/FinishAccess() when accessing it - * with the CPU. - * - * - */ - Bool (*PixmapIsOffscreen)(PixmapPtr pPix); - - /** @name PrepareAccess() and FinishAccess() indices - * @{ - */ - /** - * EXA_PREPARE_DEST is the index for a pixmap that may be drawn to or - * read from. - */ - #define EXA_PREPARE_DEST 0 - /** - * EXA_PREPARE_SRC is the index for a pixmap that may be read from - */ - #define EXA_PREPARE_SRC 1 - /** - * EXA_PREPARE_SRC is the index for a second pixmap that may be read - * from. - */ - #define EXA_PREPARE_MASK 2 - /** - * EXA_PREPARE_AUX* are additional indices for other purposes, e.g. - * separate alpha maps with Composite operations. - */ - #define EXA_PREPARE_AUX_DEST 3 - #define EXA_PREPARE_AUX_SRC 4 - #define EXA_PREPARE_AUX_MASK 5 - #define EXA_NUM_PREPARE_INDICES 6 - /** @} */ - - /** - * maxPitchPixels controls the pitch limitation for rendering from - * the card. - * The driver should never receive a request for rendering a pixmap - * that has a pitch (in pixels) beyond maxPitchPixels. - * - * Setting this field is optional -- if your hardware doesn't have - * a pitch limitation in pixels, don't set this. If neither this value - * nor maxPitchBytes is set, then maxPitchPixels is set to maxX. - * If set, it must not be smaller than maxX. - * - * @sa maxPitchBytes - */ - int maxPitchPixels; - - /** - * maxPitchBytes controls the pitch limitation for rendering from - * the card. - * The driver should never receive a request for rendering a pixmap - * that has a pitch (in bytes) beyond maxPitchBytes. - * - * Setting this field is optional -- if your hardware doesn't have - * a pitch limitation in bytes, don't set this. - * If set, it must not be smaller than maxX * 4. - * There's no default value for maxPitchBytes. - * - * @sa maxPitchPixels - */ - int maxPitchBytes; - - /* Hooks to allow driver to its own pixmap memory management */ - void *(*CreatePixmap)(ScreenPtr pScreen, int size, int align); - void (*DestroyPixmap)(ScreenPtr pScreen, void *driverPriv); - /** - * Returning a pixmap with non-NULL devPrivate.ptr implies a pixmap which is - * not offscreen, which will never be accelerated and Prepare/FinishAccess won't - * be called. - */ - Bool (*ModifyPixmapHeader)(PixmapPtr pPixmap, int width, int height, - int depth, int bitsPerPixel, int devKind, - pointer pPixData); - - /* hooks for drivers with tiling support: - * driver MUST fill out new_fb_pitch with valid pitch of pixmap - */ - void *(*CreatePixmap2)(ScreenPtr pScreen, int width, int height, - int depth, int class, int bitsPerPixel, - int *new_fb_pitch); - /** @} */ -} ExaDriverRec, *ExaDriverPtr; - -/** @name EXA driver flags - * @{ - */ -/** - * EXA_OFFSCREEN_PIXMAPS indicates to EXA that the driver can support - * offscreen pixmaps. - */ -#define EXA_OFFSCREEN_PIXMAPS (1 << 0) - -/** - * EXA_OFFSCREEN_ALIGN_POT indicates to EXA that the driver needs pixmaps - * to have a power-of-two pitch. - */ -#define EXA_OFFSCREEN_ALIGN_POT (1 << 1) - -/** - * EXA_TWO_BITBLT_DIRECTIONS indicates to EXA that the driver can only - * support copies that are (left-to-right, top-to-bottom) or - * (right-to-left, bottom-to-top). - */ -#define EXA_TWO_BITBLT_DIRECTIONS (1 << 2) - -/** - * EXA_HANDLES_PIXMAPS indicates to EXA that the driver can handle - * all pixmap addressing and migration. - */ -#define EXA_HANDLES_PIXMAPS (1 << 3) - -/** - * EXA_SUPPORTS_PREPARE_AUX indicates to EXA that the driver can handle the - * EXA_PREPARE_AUX* indices in the Prepare/FinishAccess hooks. If there are no - * such hooks, this flag has no effect. - */ -#define EXA_SUPPORTS_PREPARE_AUX (1 << 4) - -/** - * EXA_SUPPORTS_OFFSCREEN_OVERLAPS indicates to EXA that the driver Copy hooks - * can handle the source and destination occupying overlapping offscreen memory - * areas. This allows the offscreen memory defragmentation code to defragment - * areas where the defragmented position overlaps the fragmented position. - * - * Typically this is supported by traditional 2D engines but not by 3D engines. - */ -#define EXA_SUPPORTS_OFFSCREEN_OVERLAPS (1 << 5) - -/** - * EXA_MIXED_PIXMAPS will hide unacceleratable pixmaps from drivers and manage the - * problem known software fallbacks like trapezoids. This only migrates pixmaps one way - * into a driver pixmap and then pins it. - */ -#define EXA_MIXED_PIXMAPS (1 << 6) - -/** @} */ - -/* in exa.c */ -extern _X_EXPORT ExaDriverPtr -exaDriverAlloc(void); - -extern _X_EXPORT Bool -exaDriverInit(ScreenPtr pScreen, - ExaDriverPtr pScreenInfo); - -extern _X_EXPORT void -exaDriverFini(ScreenPtr pScreen); - -extern _X_EXPORT void -exaMarkSync(ScreenPtr pScreen); -extern _X_EXPORT void -exaWaitSync(ScreenPtr pScreen); - -extern _X_EXPORT unsigned long -exaGetPixmapOffset(PixmapPtr pPix); - -extern _X_EXPORT unsigned long -exaGetPixmapPitch(PixmapPtr pPix); - -extern _X_EXPORT unsigned long -exaGetPixmapSize(PixmapPtr pPix); - -extern _X_EXPORT void * -exaGetPixmapDriverPrivate(PixmapPtr p); - - -/* in exa_offscreen.c */ -extern _X_EXPORT ExaOffscreenArea * -exaOffscreenAlloc(ScreenPtr pScreen, int size, int align, - Bool locked, - ExaOffscreenSaveProc save, - pointer privData); - -extern _X_EXPORT ExaOffscreenArea * -exaOffscreenFree(ScreenPtr pScreen, ExaOffscreenArea *area); - -extern _X_EXPORT void -ExaOffscreenMarkUsed (PixmapPtr pPixmap); - -extern _X_EXPORT void -exaEnableDisableFBAccess (int index, Bool enable); - -extern _X_EXPORT Bool -exaDrawableIsOffscreen (DrawablePtr pDrawable); - -/* in exa.c */ -extern _X_EXPORT void -exaMoveInPixmap (PixmapPtr pPixmap); - -extern _X_EXPORT void -exaMoveOutPixmap (PixmapPtr pPixmap); - - -/* in exa_unaccel.c */ -extern _X_EXPORT CARD32 -exaGetPixmapFirstPixel (PixmapPtr pPixmap); - - -/** - * Returns TRUE if the given planemask covers all the significant bits in the - * pixel values for pDrawable. - */ -#define EXA_PM_IS_SOLID(_pDrawable, _pm) \ - (((_pm) & FbFullMask((_pDrawable)->depth)) == \ - FbFullMask((_pDrawable)->depth)) - -#endif /* EXA_H */ +/*
+ *
+ * Copyright (C) 2000 Keith Packard
+ * 2004 Eric Anholt
+ * 2005 Zack Rusin
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Copyright holders make no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+/** @file
+ * This is the header containing the public API of EXA for exa drivers.
+ */
+
+#ifndef EXA_H
+#define EXA_H
+
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "picturestr.h"
+#include "fb.h"
+
+#define EXA_VERSION_MAJOR 2
+#define EXA_VERSION_MINOR 5
+#define EXA_VERSION_RELEASE 0
+
+typedef struct _ExaOffscreenArea ExaOffscreenArea;
+
+typedef void (*ExaOffscreenSaveProc) (ScreenPtr pScreen, ExaOffscreenArea *area);
+
+typedef enum _ExaOffscreenState {
+ ExaOffscreenAvail,
+ ExaOffscreenRemovable,
+ ExaOffscreenLocked
+} ExaOffscreenState;
+
+struct _ExaOffscreenArea {
+ int base_offset; /* allocation base */
+ int offset; /* aligned offset */
+ int size; /* total allocation size */
+ unsigned last_use;
+ pointer privData;
+
+ ExaOffscreenSaveProc save;
+
+ ExaOffscreenState state;
+
+ ExaOffscreenArea *next;
+
+ unsigned eviction_cost;
+
+ ExaOffscreenArea *prev; /* Double-linked list for defragmentation */
+ int align; /* required alignment */
+};
+
+/**
+ * The ExaDriver structure is allocated through exaDriverAlloc(), and then
+ * fllled in by drivers.
+ */
+typedef struct _ExaDriver {
+ /**
+ * exa_major and exa_minor should be set by the driver to the version of
+ * EXA which the driver was compiled for (or configures itself at runtime
+ * to support). This allows EXA to extend the structure for new features
+ * without breaking ABI for drivers compiled against older versions.
+ */
+ int exa_major, exa_minor;
+
+ /**
+ * memoryBase is the address of the beginning of framebuffer memory.
+ * The visible screen should be within memoryBase to memoryBase +
+ * memorySize.
+ */
+ CARD8 *memoryBase;
+
+ /**
+ * offScreenBase is the offset from memoryBase of the beginning of the area
+ * to be managed by EXA's linear offscreen memory manager.
+ *
+ * In XFree86 DDX drivers, this is probably:
+ * (pScrn->displayWidth * cpp * pScrn->virtualY)
+ */
+ unsigned long offScreenBase;
+
+ /**
+ * memorySize is the length (in bytes) of framebuffer memory beginning
+ * from memoryBase.
+ *
+ * The offscreen memory manager will manage the area beginning at
+ * (memoryBase + offScreenBase), with a length of (memorySize -
+ * offScreenBase)
+ *
+ * In XFree86 DDX drivers, this is probably (pScrn->videoRam * 1024)
+ */
+ unsigned long memorySize;
+
+ /**
+ * pixmapOffsetAlign is the byte alignment necessary for pixmap offsets
+ * within framebuffer.
+ *
+ * Hardware typically has a required alignment of offsets, which may or may
+ * not be a power of two. EXA will ensure that pixmaps managed by the
+ * offscreen memory manager meet this alignment requirement.
+ */
+ int pixmapOffsetAlign;
+
+ /**
+ * pixmapPitchAlign is the byte alignment necessary for pixmap pitches
+ * within the framebuffer.
+ *
+ * Hardware typically has a required alignment of pitches for acceleration.
+ * For 3D hardware, Composite acceleration often requires that source and
+ * mask pixmaps (textures) have a power-of-two pitch, which can be demanded
+ * using EXA_OFFSCREEN_ALIGN_POT. These pitch requirements only apply to
+ * pixmaps managed by the offscreen memory manager. Thus, it is up to the
+ * driver to ensure that the visible screen has an appropriate pitch for
+ * acceleration.
+ */
+ int pixmapPitchAlign;
+
+ /**
+ * The flags field is bitfield of boolean values controlling EXA's behavior.
+ *
+ * The flags in clude EXA_OFFSCREEN_PIXMAPS, EXA_OFFSCREEN_ALIGN_POT, and
+ * EXA_TWO_BITBLT_DIRECTIONS.
+ */
+ int flags;
+
+ /** @{ */
+ /**
+ * maxX controls the X coordinate limitation for rendering from the card.
+ * The driver should never receive a request for rendering beyond maxX
+ * in the X direction from the origin of a pixmap.
+ */
+ int maxX;
+
+ /**
+ * maxY controls the Y coordinate limitation for rendering from the card.
+ * The driver should never receive a request for rendering beyond maxY
+ * in the Y direction from the origin of a pixmap.
+ */
+ int maxY;
+ /** @} */
+
+ /* private */
+ ExaOffscreenArea *offScreenAreas;
+ Bool needsSync;
+ int lastMarker;
+
+ /** @name Solid
+ * @{
+ */
+ /**
+ * PrepareSolid() sets up the driver for doing a solid fill.
+ * @param pPixmap Destination pixmap
+ * @param alu raster operation
+ * @param planemask write mask for the fill
+ * @param fg "foreground" color for the fill
+ *
+ * This call should set up the driver for doing a series of solid fills
+ * through the Solid() call. The alu raster op is one of the GX*
+ * graphics functions listed in X.h, and typically maps to a similar
+ * single-byte "ROP" setting in all hardware. The planemask controls
+ * which bits of the destination should be affected, and will only represent
+ * the bits up to the depth of pPixmap. The fg is the pixel value of the
+ * foreground color referred to in ROP descriptions.
+ *
+ * Note that many drivers will need to store some of the data in the driver
+ * private record, for sending to the hardware with each drawing command.
+ *
+ * The PrepareSolid() call is required of all drivers, but it may fail for any
+ * reason. Failure results in a fallback to software rendering.
+ */
+ Bool (*PrepareSolid) (PixmapPtr pPixmap,
+ int alu,
+ Pixel planemask,
+ Pixel fg);
+
+ /**
+ * Solid() performs a solid fill set up in the last PrepareSolid() call.
+ *
+ * @param pPixmap destination pixmap
+ * @param x1 left coordinate
+ * @param y1 top coordinate
+ * @param x2 right coordinate
+ * @param y2 bottom coordinate
+ *
+ * Performs the fill set up by the last PrepareSolid() call, covering the
+ * area from (x1,y1) to (x2,y2) in pPixmap. Note that the coordinates are
+ * in the coordinate space of the destination pixmap, so the driver will
+ * need to set up the hardware's offset and pitch for the destination
+ * coordinates according to the pixmap's offset and pitch within
+ * framebuffer. This likely means using exaGetPixmapOffset() and
+ * exaGetPixmapPitch().
+ *
+ * This call is required if PrepareSolid() ever succeeds.
+ */
+ void (*Solid) (PixmapPtr pPixmap, int x1, int y1, int x2, int y2);
+
+ /**
+ * DoneSolid() finishes a set of solid fills.
+ *
+ * @param pPixmap destination pixmap.
+ *
+ * The DoneSolid() call is called at the end of a series of consecutive
+ * Solid() calls following a successful PrepareSolid(). This allows drivers
+ * to finish up emitting drawing commands that were buffered, or clean up
+ * state from PrepareSolid().
+ *
+ * This call is required if PrepareSolid() ever succeeds.
+ */
+ void (*DoneSolid) (PixmapPtr pPixmap);
+ /** @} */
+
+ /** @name Copy
+ * @{
+ */
+ /**
+ * PrepareCopy() sets up the driver for doing a copy within video
+ * memory.
+ *
+ * @param pSrcPixmap source pixmap
+ * @param pDstPixmap destination pixmap
+ * @param dx X copy direction
+ * @param dy Y copy direction
+ * @param alu raster operation
+ * @param planemask write mask for the fill
+ *
+ * This call should set up the driver for doing a series of copies from the
+ * the pSrcPixmap to the pDstPixmap. The dx flag will be positive if the
+ * hardware should do the copy from the left to the right, and dy will be
+ * positive if the copy should be done from the top to the bottom. This
+ * is to deal with self-overlapping copies when pSrcPixmap == pDstPixmap.
+ * If your hardware can only support blits that are (left to right, top to
+ * bottom) or (right to left, bottom to top), then you should set
+ * #EXA_TWO_BITBLT_DIRECTIONS, and EXA will break down Copy operations to
+ * ones that meet those requirements. The alu raster op is one of the GX*
+ * graphics functions listed in X.h, and typically maps to a similar
+ * single-byte "ROP" setting in all hardware. The planemask controls which
+ * bits of the destination should be affected, and will only represent the
+ * bits up to the depth of pPixmap.
+ *
+ * Note that many drivers will need to store some of the data in the driver
+ * private record, for sending to the hardware with each drawing command.
+ *
+ * The PrepareCopy() call is required of all drivers, but it may fail for any
+ * reason. Failure results in a fallback to software rendering.
+ */
+ Bool (*PrepareCopy) (PixmapPtr pSrcPixmap,
+ PixmapPtr pDstPixmap,
+ int dx,
+ int dy,
+ int alu,
+ Pixel planemask);
+
+ /**
+ * Copy() performs a copy set up in the last PrepareCopy call.
+ *
+ * @param pDstPixmap destination pixmap
+ * @param srcX source X coordinate
+ * @param srcY source Y coordinate
+ * @param dstX destination X coordinate
+ * @param dstY destination Y coordinate
+ * @param width width of the rectangle to be copied
+ * @param height height of the rectangle to be copied.
+ *
+ * Performs the copy set up by the last PrepareCopy() call, copying the
+ * rectangle from (srcX, srcY) to (srcX + width, srcY + width) in the source
+ * pixmap to the same-sized rectangle at (dstX, dstY) in the destination
+ * pixmap. Those rectangles may overlap in memory, if
+ * pSrcPixmap == pDstPixmap. Note that this call does not receive the
+ * pSrcPixmap as an argument -- if it's needed in this function, it should
+ * be stored in the driver private during PrepareCopy(). As with Solid(),
+ * the coordinates are in the coordinate space of each pixmap, so the driver
+ * will need to set up source and destination pitches and offsets from those
+ * pixmaps, probably using exaGetPixmapOffset() and exaGetPixmapPitch().
+ *
+ * This call is required if PrepareCopy ever succeeds.
+ */
+ void (*Copy) (PixmapPtr pDstPixmap,
+ int srcX,
+ int srcY,
+ int dstX,
+ int dstY,
+ int width,
+ int height);
+
+ /**
+ * DoneCopy() finishes a set of copies.
+ *
+ * @param pPixmap destination pixmap.
+ *
+ * The DoneCopy() call is called at the end of a series of consecutive
+ * Copy() calls following a successful PrepareCopy(). This allows drivers
+ * to finish up emitting drawing commands that were buffered, or clean up
+ * state from PrepareCopy().
+ *
+ * This call is required if PrepareCopy() ever succeeds.
+ */
+ void (*DoneCopy) (PixmapPtr pDstPixmap);
+ /** @} */
+
+ /** @name Composite
+ * @{
+ */
+ /**
+ * CheckComposite() checks to see if a composite operation could be
+ * accelerated.
+ *
+ * @param op Render operation
+ * @param pSrcPicture source Picture
+ * @param pMaskPicture mask picture
+ * @param pDstPicture destination Picture
+ *
+ * The CheckComposite() call checks if the driver could handle acceleration
+ * of op with the given source, mask, and destination pictures. This allows
+ * drivers to check source and destination formats, supported operations,
+ * transformations, and component alpha state, and send operations it can't
+ * support to software rendering early on. This avoids costly pixmap
+ * migration to the wrong places when the driver can't accelerate
+ * operations. Note that because migration hasn't happened, the driver
+ * can't know during CheckComposite() what the offsets and pitches of the
+ * pixmaps are going to be.
+ *
+ * See PrepareComposite() for more details on likely issues that drivers
+ * will have in accelerating Composite operations.
+ *
+ * The CheckComposite() call is recommended if PrepareComposite() is
+ * implemented, but is not required.
+ */
+ Bool (*CheckComposite) (int op,
+ PicturePtr pSrcPicture,
+ PicturePtr pMaskPicture,
+ PicturePtr pDstPicture);
+
+ /**
+ * PrepareComposite() sets up the driver for doing a Composite operation
+ * described in the Render extension protocol spec.
+ *
+ * @param op Render operation
+ * @param pSrcPicture source Picture
+ * @param pMaskPicture mask picture
+ * @param pDstPicture destination Picture
+ * @param pSrc source pixmap
+ * @param pMask mask pixmap
+ * @param pDst destination pixmap
+ *
+ * This call should set up the driver for doing a series of Composite
+ * operations, as described in the Render protocol spec, with the given
+ * pSrcPicture, pMaskPicture, and pDstPicture. The pSrc, pMask, and
+ * pDst are the pixmaps containing the pixel data, and should be used for
+ * setting the offset and pitch used for the coordinate spaces for each of
+ * the Pictures.
+ *
+ * Notes on interpreting Picture structures:
+ * - The Picture structures will always have a valid pDrawable.
+ * - The Picture structures will never have alphaMap set.
+ * - The mask Picture (and therefore pMask) may be NULL, in which case the
+ * operation is simply src OP dst instead of src IN mask OP dst, and
+ * mask coordinates should be ignored.
+ * - pMarkPicture may have componentAlpha set, which greatly changes
+ * the behavior of the Composite operation. componentAlpha has no effect
+ * when set on pSrcPicture or pDstPicture.
+ * - The source and mask Pictures may have a transformation set
+ * (Picture->transform != NULL), which means that the source coordinates
+ * should be transformed by that transformation, resulting in scaling,
+ * rotation, etc. The PictureTransformPoint() call can transform
+ * coordinates for you. Transforms have no effect on Pictures when used
+ * as a destination.
+ * - The source and mask pictures may have a filter set. PictFilterNearest
+ * and PictFilterBilinear are defined in the Render protocol, but others
+ * may be encountered, and must be handled correctly (usually by
+ * PrepareComposite failing, and falling back to software). Filters have
+ * no effect on Pictures when used as a destination.
+ * - The source and mask Pictures may have repeating set, which must be
+ * respected. Many chipsets will be unable to support repeating on
+ * pixmaps that have a width or height that is not a power of two.
+ *
+ * If your hardware can't support source pictures (textures) with
+ * non-power-of-two pitches, you should set #EXA_OFFSCREEN_ALIGN_POT.
+ *
+ * Note that many drivers will need to store some of the data in the driver
+ * private record, for sending to the hardware with each drawing command.
+ *
+ * The PrepareComposite() call is not required. However, it is highly
+ * recommended for performance of antialiased font rendering and performance
+ * of cairo applications. Failure results in a fallback to software
+ * rendering.
+ */
+ Bool (*PrepareComposite) (int op,
+ PicturePtr pSrcPicture,
+ PicturePtr pMaskPicture,
+ PicturePtr pDstPicture,
+ PixmapPtr pSrc,
+ PixmapPtr pMask,
+ PixmapPtr pDst);
+
+ /**
+ * Composite() performs a Composite operation set up in the last
+ * PrepareComposite() call.
+ *
+ * @param pDstPixmap destination pixmap
+ * @param srcX source X coordinate
+ * @param srcY source Y coordinate
+ * @param maskX source X coordinate
+ * @param maskY source Y coordinate
+ * @param dstX destination X coordinate
+ * @param dstY destination Y coordinate
+ * @param width destination rectangle width
+ * @param height destination rectangle height
+ *
+ * Performs the Composite operation set up by the last PrepareComposite()
+ * call, to the rectangle from (dstX, dstY) to (dstX + width, dstY + height)
+ * in the destination Pixmap. Note that if a transformation was set on
+ * the source or mask Pictures, the source rectangles may not be the same
+ * size as the destination rectangles and filtering. Getting the coordinate
+ * transformation right at the subpixel level can be tricky, and rendercheck
+ * can test this for you.
+ *
+ * This call is required if PrepareComposite() ever succeeds.
+ */
+ void (*Composite) (PixmapPtr pDst,
+ int srcX,
+ int srcY,
+ int maskX,
+ int maskY,
+ int dstX,
+ int dstY,
+ int width,
+ int height);
+
+ /**
+ * DoneComposite() finishes a set of Composite operations.
+ *
+ * @param pPixmap destination pixmap.
+ *
+ * The DoneComposite() call is called at the end of a series of consecutive
+ * Composite() calls following a successful PrepareComposite(). This allows
+ * drivers to finish up emitting drawing commands that were buffered, or
+ * clean up state from PrepareComposite().
+ *
+ * This call is required if PrepareComposite() ever succeeds.
+ */
+ void (*DoneComposite) (PixmapPtr pDst);
+ /** @} */
+
+ /**
+ * UploadToScreen() loads a rectangle of data from src into pDst.
+ *
+ * @param pDst destination pixmap
+ * @param x destination X coordinate.
+ * @param y destination Y coordinate
+ * @param width width of the rectangle to be copied
+ * @param height height of the rectangle to be copied
+ * @param src pointer to the beginning of the source data
+ * @param src_pitch pitch (in bytes) of the lines of source data.
+ *
+ * UploadToScreen() copies data in system memory beginning at src (with
+ * pitch src_pitch) into the destination pixmap from (x, y) to
+ * (x + width, y + height). This is typically done with hostdata uploads,
+ * where the CPU sets up a blit command on the hardware with instructions
+ * that the blit data will be fed through some sort of aperture on the card.
+ *
+ * If UploadToScreen() is performed asynchronously, it is up to the driver
+ * to call exaMarkSync(). This is in contrast to most other acceleration
+ * calls in EXA.
+ *
+ * UploadToScreen() can aid in pixmap migration, but is most important for
+ * the performance of exaGlyphs() (antialiased font drawing) by allowing
+ * pipelining of data uploads, avoiding a sync of the card after each glyph.
+ *
+ * @return TRUE if the driver successfully uploaded the data. FALSE
+ * indicates that EXA should fall back to doing the upload in software.
+ *
+ * UploadToScreen() is not required, but is recommended if Composite
+ * acceleration is supported.
+ */
+ Bool (*UploadToScreen) (PixmapPtr pDst,
+ int x,
+ int y,
+ int w,
+ int h,
+ char *src,
+ int src_pitch);
+
+ /**
+ * UploadToScratch() is no longer used and will be removed next time the EXA
+ * major version needs to be bumped.
+ */
+ Bool (*UploadToScratch) (PixmapPtr pSrc,
+ PixmapPtr pDst);
+
+ /**
+ * DownloadFromScreen() loads a rectangle of data from pSrc into dst
+ *
+ * @param pSrc source pixmap
+ * @param x source X coordinate.
+ * @param y source Y coordinate
+ * @param width width of the rectangle to be copied
+ * @param height height of the rectangle to be copied
+ * @param dst pointer to the beginning of the destination data
+ * @param dst_pitch pitch (in bytes) of the lines of destination data.
+ *
+ * DownloadFromScreen() copies data from offscreen memory in pSrc from
+ * (x, y) to (x + width, y + height), to system memory starting at
+ * dst (with pitch dst_pitch). This would usually be done
+ * using scatter-gather DMA, supported by a DRM call, or by blitting to AGP
+ * and then synchronously reading from AGP. Because the implementation
+ * might be synchronous, EXA leaves it up to the driver to call
+ * exaMarkSync() if DownloadFromScreen() was asynchronous. This is in
+ * contrast to most other acceleration calls in EXA.
+ *
+ * DownloadFromScreen() can aid in the largest bottleneck in pixmap
+ * migration, which is the read from framebuffer when evicting pixmaps from
+ * framebuffer memory. Thus, it is highly recommended, even though
+ * implementations are typically complicated.
+ *
+ * @return TRUE if the driver successfully downloaded the data. FALSE
+ * indicates that EXA should fall back to doing the download in software.
+ *
+ * DownloadFromScreen() is not required, but is highly recommended.
+ */
+ Bool (*DownloadFromScreen)(PixmapPtr pSrc,
+ int x, int y,
+ int w, int h,
+ char *dst, int dst_pitch);
+
+ /**
+ * MarkSync() requests that the driver mark a synchronization point,
+ * returning an driver-defined integer marker which could be requested for
+ * synchronization to later in WaitMarker(). This might be used in the
+ * future to avoid waiting for full hardware stalls before accessing pixmap
+ * data with the CPU, but is not important in the current incarnation of
+ * EXA.
+ *
+ * Note that drivers should call exaMarkSync() when they have done some
+ * acceleration, rather than their own MarkSync() handler, as otherwise EXA
+ * will be unaware of the driver's acceleration and not sync to it during
+ * fallbacks.
+ *
+ * MarkSync() is optional.
+ */
+ int (*MarkSync) (ScreenPtr pScreen);
+
+ /**
+ * WaitMarker() waits for all rendering before the given marker to have
+ * completed. If the driver does not implement MarkSync(), marker is
+ * meaningless, and all rendering by the hardware should be completed before
+ * WaitMarker() returns.
+ *
+ * Note that drivers should call exaWaitSync() to wait for all acceleration
+ * to finish, as otherwise EXA will be unaware of the driver having
+ * synchronized, resulting in excessive WaitMarker() calls.
+ *
+ * WaitMarker() is required of all drivers.
+ */
+ void (*WaitMarker) (ScreenPtr pScreen, int marker);
+
+ /** @{ */
+ /**
+ * PrepareAccess() is called before CPU access to an offscreen pixmap.
+ *
+ * @param pPix the pixmap being accessed
+ * @param index the index of the pixmap being accessed.
+ *
+ * PrepareAccess() will be called before CPU access to an offscreen pixmap.
+ * This can be used to set up hardware surfaces for byteswapping or
+ * untiling, or to adjust the pixmap's devPrivate.ptr for the purpose of
+ * making CPU access use a different aperture.
+ *
+ * The index is one of #EXA_PREPARE_DEST, #EXA_PREPARE_SRC,
+ * #EXA_PREPARE_MASK, #EXA_PREPARE_AUX_DEST, #EXA_PREPARE_AUX_SRC, or
+ * #EXA_PREPARE_AUX_MASK. Since only up to #EXA_NUM_PREPARE_INDICES pixmaps
+ * will have PrepareAccess() called on them per operation, drivers can have
+ * a small, statically-allocated space to maintain state for PrepareAccess()
+ * and FinishAccess() in. Note that PrepareAccess() is only called once per
+ * pixmap and operation, regardless of whether the pixmap is used as a
+ * destination and/or source, and the index may not reflect the usage.
+ *
+ * PrepareAccess() may fail. An example might be the case of hardware that
+ * can set up 1 or 2 surfaces for CPU access, but not 3. If PrepareAccess()
+ * fails, EXA will migrate the pixmap to system memory.
+ * DownloadFromScreen() must be implemented and must not fail if a driver
+ * wishes to fail in PrepareAccess(). PrepareAccess() must not fail when
+ * pPix is the visible screen, because the visible screen can not be
+ * migrated.
+ *
+ * @return TRUE if PrepareAccess() successfully prepared the pixmap for CPU
+ * drawing.
+ * @return FALSE if PrepareAccess() is unsuccessful and EXA should use
+ * DownloadFromScreen() to migate the pixmap out.
+ */
+ Bool (*PrepareAccess)(PixmapPtr pPix, int index);
+
+ /**
+ * FinishAccess() is called after CPU access to an offscreen pixmap.
+ *
+ * @param pPix the pixmap being accessed
+ * @param index the index of the pixmap being accessed.
+ *
+ * FinishAccess() will be called after finishing CPU access of an offscreen
+ * pixmap set up by PrepareAccess(). Note that the FinishAccess() will not be
+ * called if PrepareAccess() failed and the pixmap was migrated out.
+ */
+ void (*FinishAccess)(PixmapPtr pPix, int index);
+
+ /**
+ * PixmapIsOffscreen() is an optional driver replacement to
+ * exaPixmapHasGpuCopy(). Set to NULL if you want the standard behaviour
+ * of exaPixmapHasGpuCopy().
+ *
+ * @param pPix the pixmap
+ * @return TRUE if the given drawable is in framebuffer memory.
+ *
+ * exaPixmapHasGpuCopy() is used to determine if a pixmap is in offscreen
+ * memory, meaning that acceleration could probably be done to it, and that it
+ * will need to be wrapped by PrepareAccess()/FinishAccess() when accessing it
+ * with the CPU.
+ *
+ *
+ */
+ Bool (*PixmapIsOffscreen)(PixmapPtr pPix);
+
+ /** @name PrepareAccess() and FinishAccess() indices
+ * @{
+ */
+ /**
+ * EXA_PREPARE_DEST is the index for a pixmap that may be drawn to or
+ * read from.
+ */
+ #define EXA_PREPARE_DEST 0
+ /**
+ * EXA_PREPARE_SRC is the index for a pixmap that may be read from
+ */
+ #define EXA_PREPARE_SRC 1
+ /**
+ * EXA_PREPARE_SRC is the index for a second pixmap that may be read
+ * from.
+ */
+ #define EXA_PREPARE_MASK 2
+ /**
+ * EXA_PREPARE_AUX* are additional indices for other purposes, e.g.
+ * separate alpha maps with Composite operations.
+ */
+ #define EXA_PREPARE_AUX_DEST 3
+ #define EXA_PREPARE_AUX_SRC 4
+ #define EXA_PREPARE_AUX_MASK 5
+ #define EXA_NUM_PREPARE_INDICES 6
+ /** @} */
+
+ /**
+ * maxPitchPixels controls the pitch limitation for rendering from
+ * the card.
+ * The driver should never receive a request for rendering a pixmap
+ * that has a pitch (in pixels) beyond maxPitchPixels.
+ *
+ * Setting this field is optional -- if your hardware doesn't have
+ * a pitch limitation in pixels, don't set this. If neither this value
+ * nor maxPitchBytes is set, then maxPitchPixels is set to maxX.
+ * If set, it must not be smaller than maxX.
+ *
+ * @sa maxPitchBytes
+ */
+ int maxPitchPixels;
+
+ /**
+ * maxPitchBytes controls the pitch limitation for rendering from
+ * the card.
+ * The driver should never receive a request for rendering a pixmap
+ * that has a pitch (in bytes) beyond maxPitchBytes.
+ *
+ * Setting this field is optional -- if your hardware doesn't have
+ * a pitch limitation in bytes, don't set this.
+ * If set, it must not be smaller than maxX * 4.
+ * There's no default value for maxPitchBytes.
+ *
+ * @sa maxPitchPixels
+ */
+ int maxPitchBytes;
+
+ /* Hooks to allow driver to its own pixmap memory management */
+ void *(*CreatePixmap)(ScreenPtr pScreen, int size, int align);
+ void (*DestroyPixmap)(ScreenPtr pScreen, void *driverPriv);
+ /**
+ * Returning a pixmap with non-NULL devPrivate.ptr implies a pixmap which is
+ * not offscreen, which will never be accelerated and Prepare/FinishAccess won't
+ * be called.
+ */
+ Bool (*ModifyPixmapHeader)(PixmapPtr pPixmap, int width, int height,
+ int depth, int bitsPerPixel, int devKind,
+ pointer pPixData);
+
+ /* hooks for drivers with tiling support:
+ * driver MUST fill out new_fb_pitch with valid pitch of pixmap
+ */
+ void *(*CreatePixmap2)(ScreenPtr pScreen, int width, int height,
+ int depth, int usage_hint, int bitsPerPixel,
+ int *new_fb_pitch);
+ /** @} */
+} ExaDriverRec, *ExaDriverPtr;
+
+/** @name EXA driver flags
+ * @{
+ */
+/**
+ * EXA_OFFSCREEN_PIXMAPS indicates to EXA that the driver can support
+ * offscreen pixmaps.
+ */
+#define EXA_OFFSCREEN_PIXMAPS (1 << 0)
+
+/**
+ * EXA_OFFSCREEN_ALIGN_POT indicates to EXA that the driver needs pixmaps
+ * to have a power-of-two pitch.
+ */
+#define EXA_OFFSCREEN_ALIGN_POT (1 << 1)
+
+/**
+ * EXA_TWO_BITBLT_DIRECTIONS indicates to EXA that the driver can only
+ * support copies that are (left-to-right, top-to-bottom) or
+ * (right-to-left, bottom-to-top).
+ */
+#define EXA_TWO_BITBLT_DIRECTIONS (1 << 2)
+
+/**
+ * EXA_HANDLES_PIXMAPS indicates to EXA that the driver can handle
+ * all pixmap addressing and migration.
+ */
+#define EXA_HANDLES_PIXMAPS (1 << 3)
+
+/**
+ * EXA_SUPPORTS_PREPARE_AUX indicates to EXA that the driver can handle the
+ * EXA_PREPARE_AUX* indices in the Prepare/FinishAccess hooks. If there are no
+ * such hooks, this flag has no effect.
+ */
+#define EXA_SUPPORTS_PREPARE_AUX (1 << 4)
+
+/**
+ * EXA_SUPPORTS_OFFSCREEN_OVERLAPS indicates to EXA that the driver Copy hooks
+ * can handle the source and destination occupying overlapping offscreen memory
+ * areas. This allows the offscreen memory defragmentation code to defragment
+ * areas where the defragmented position overlaps the fragmented position.
+ *
+ * Typically this is supported by traditional 2D engines but not by 3D engines.
+ */
+#define EXA_SUPPORTS_OFFSCREEN_OVERLAPS (1 << 5)
+
+/**
+ * EXA_MIXED_PIXMAPS will hide unacceleratable pixmaps from drivers and manage the
+ * problem known software fallbacks like trapezoids. This only migrates pixmaps one way
+ * into a driver pixmap and then pins it.
+ */
+#define EXA_MIXED_PIXMAPS (1 << 6)
+
+/** @} */
+
+/* in exa.c */
+extern _X_EXPORT ExaDriverPtr
+exaDriverAlloc(void);
+
+extern _X_EXPORT Bool
+exaDriverInit(ScreenPtr pScreen,
+ ExaDriverPtr pScreenInfo);
+
+extern _X_EXPORT void
+exaDriverFini(ScreenPtr pScreen);
+
+extern _X_EXPORT void
+exaMarkSync(ScreenPtr pScreen);
+extern _X_EXPORT void
+exaWaitSync(ScreenPtr pScreen);
+
+extern _X_EXPORT unsigned long
+exaGetPixmapOffset(PixmapPtr pPix);
+
+extern _X_EXPORT unsigned long
+exaGetPixmapPitch(PixmapPtr pPix);
+
+extern _X_EXPORT unsigned long
+exaGetPixmapSize(PixmapPtr pPix);
+
+extern _X_EXPORT void *
+exaGetPixmapDriverPrivate(PixmapPtr p);
+
+
+/* in exa_offscreen.c */
+extern _X_EXPORT ExaOffscreenArea *
+exaOffscreenAlloc(ScreenPtr pScreen, int size, int align,
+ Bool locked,
+ ExaOffscreenSaveProc save,
+ pointer privData);
+
+extern _X_EXPORT ExaOffscreenArea *
+exaOffscreenFree(ScreenPtr pScreen, ExaOffscreenArea *area);
+
+extern _X_EXPORT void
+ExaOffscreenMarkUsed (PixmapPtr pPixmap);
+
+extern _X_EXPORT void
+exaEnableDisableFBAccess (int index, Bool enable);
+
+extern _X_EXPORT Bool
+exaDrawableIsOffscreen (DrawablePtr pDrawable);
+
+/* in exa.c */
+extern _X_EXPORT void
+exaMoveInPixmap (PixmapPtr pPixmap);
+
+extern _X_EXPORT void
+exaMoveOutPixmap (PixmapPtr pPixmap);
+
+
+/* in exa_unaccel.c */
+extern _X_EXPORT CARD32
+exaGetPixmapFirstPixel (PixmapPtr pPixmap);
+
+
+/**
+ * Returns TRUE if the given planemask covers all the significant bits in the
+ * pixel values for pDrawable.
+ */
+#define EXA_PM_IS_SOLID(_pDrawable, _pm) \
+ (((_pm) & FbFullMask((_pDrawable)->depth)) == \
+ FbFullMask((_pDrawable)->depth))
+
+#endif /* EXA_H */
diff --git a/xorg-server/exa/exa_classic.c b/xorg-server/exa/exa_classic.c index 640b26a12..1a1467848 100644 --- a/xorg-server/exa/exa_classic.c +++ b/xorg-server/exa/exa_classic.c @@ -1,266 +1,266 @@ -/* - * Copyright © 2009 Maarten Maathuis - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include "exa_priv.h" -#include "exa.h" - -/* This file holds the classic exa specific implementation. */ - -static _X_INLINE void* -ExaGetPixmapAddress(PixmapPtr p) -{ - ExaPixmapPriv(p); - - if (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr) - return pExaPixmap->fb_ptr; - else - return pExaPixmap->sys_ptr; -} - -/** - * exaCreatePixmap() creates a new pixmap. - * - * If width and height are 0, this won't be a full-fledged pixmap and it will - * get ModifyPixmapHeader() called on it later. So, we mark it as pinned, because - * ModifyPixmapHeader() would break migration. These types of pixmaps are used - * for scratch pixmaps, or to represent the visible screen. - */ -PixmapPtr -exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth, - unsigned class) -{ - PixmapPtr pPixmap; - ExaPixmapPrivPtr pExaPixmap; - BoxRec box; - int bpp; - ExaScreenPriv(pScreen); - - if (w > 32767 || h > 32767) - return NullPixmap; - - swap(pExaScr, pScreen, CreatePixmap); - pPixmap = pScreen->CreatePixmap (pScreen, w, h, depth, class); - swap(pExaScr, pScreen, CreatePixmap); - - if (!pPixmap) - return NULL; - - pExaPixmap = ExaGetPixmapPriv(pPixmap); - pExaPixmap->driverPriv = NULL; - - bpp = pPixmap->drawable.bitsPerPixel; - - pExaPixmap->driverPriv = NULL; - /* Scratch pixmaps may have w/h equal to zero, and may not be - * migrated. - */ - if (!w || !h) - pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; - else - pExaPixmap->score = EXA_PIXMAP_SCORE_INIT; - - pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; - pExaPixmap->sys_pitch = pPixmap->devKind; - - pPixmap->devPrivate.ptr = NULL; - pExaPixmap->use_gpu_copy = FALSE; - - pExaPixmap->fb_ptr = NULL; - exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); - pExaPixmap->fb_size = pExaPixmap->fb_pitch * h; - - if (pExaPixmap->fb_pitch > 131071) { - swap(pExaScr, pScreen, DestroyPixmap); - pScreen->DestroyPixmap (pPixmap); - swap(pExaScr, pScreen, DestroyPixmap); - return NULL; - } - - /* Set up damage tracking */ - pExaPixmap->pDamage = DamageCreate (NULL, NULL, - DamageReportNone, TRUE, - pScreen, pPixmap); - - if (pExaPixmap->pDamage == NULL) { - swap(pExaScr, pScreen, DestroyPixmap); - pScreen->DestroyPixmap (pPixmap); - swap(pExaScr, pScreen, DestroyPixmap); - return NULL; - } - - DamageRegister (&pPixmap->drawable, pExaPixmap->pDamage); - /* This ensures that pending damage reflects the current operation. */ - /* This is used by exa to optimize migration. */ - DamageSetReportAfterOp (pExaPixmap->pDamage, TRUE); - - pExaPixmap->area = NULL; - - /* We set the initial pixmap as completely valid for a simple reason. - * Imagine a 1000x1000 pixmap, it has 1 million pixels, 250000 of which - * could form single pixel rects as part of a region. Setting the complete region - * as valid is a natural defragmentation of the region. - */ - box.x1 = 0; - box.y1 = 0; - box.x2 = w; - box.y2 = h; - RegionInit(&pExaPixmap->validSys, &box, 0); - RegionInit(&pExaPixmap->validFB, &box, 0); - - exaSetAccelBlock(pExaScr, pExaPixmap, - w, h, bpp); - - /* During a fallback we must prepare access. */ - if (pExaScr->fallback_counter) - exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST); - - return pPixmap; -} - -Bool -exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData) -{ - ScreenPtr pScreen; - ExaScreenPrivPtr pExaScr; - ExaPixmapPrivPtr pExaPixmap; - Bool ret; - - if (!pPixmap) - return FALSE; - - pScreen = pPixmap->drawable.pScreen; - pExaScr = ExaGetScreenPriv(pScreen); - pExaPixmap = ExaGetPixmapPriv(pPixmap); - - if (pExaPixmap) { - if (pPixData) - pExaPixmap->sys_ptr = pPixData; - - if (devKind > 0) - pExaPixmap->sys_pitch = devKind; - - /* Classic EXA: - * - Framebuffer. - * - Scratch pixmap with gpu memory. - */ - if (pExaScr->info->memoryBase && pPixData) { - if ((CARD8 *)pPixData >= pExaScr->info->memoryBase && - ((CARD8 *)pPixData - pExaScr->info->memoryBase) < - pExaScr->info->memorySize) { - pExaPixmap->fb_ptr = pPixData; - pExaPixmap->fb_pitch = devKind; - pExaPixmap->use_gpu_copy = TRUE; - } - } - - if (width > 0 && height > 0 && bitsPerPixel > 0) { - exaSetFbPitch(pExaScr, pExaPixmap, - width, height, bitsPerPixel); - - exaSetAccelBlock(pExaScr, pExaPixmap, - width, height, bitsPerPixel); - } - - /* Pixmaps subject to ModifyPixmapHeader will be pinned to system or - * gpu memory, so there's no need to track damage. - */ - if (pExaPixmap->pDamage) { - DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); - DamageDestroy(pExaPixmap->pDamage); - pExaPixmap->pDamage = NULL; - } - } - - swap(pExaScr, pScreen, ModifyPixmapHeader); - ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData); - swap(pExaScr, pScreen, ModifyPixmapHeader); - - /* Always NULL this, we don't want lingering pointers. */ - pPixmap->devPrivate.ptr = NULL; - - return ret; -} - -Bool -exaDestroyPixmap_classic (PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - Bool ret; - - if (pPixmap->refcnt == 1) - { - ExaPixmapPriv (pPixmap); - - exaDestroyPixmap(pPixmap); - - if (pExaPixmap->area) - { - DBG_PIXMAP(("-- 0x%p (0x%x) (%dx%d)\n", - (void*)pPixmap->drawable.id, - ExaGetPixmapPriv(pPixmap)->area->offset, - pPixmap->drawable.width, - pPixmap->drawable.height)); - /* Free the offscreen area */ - exaOffscreenFree (pPixmap->drawable.pScreen, pExaPixmap->area); - pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; - pPixmap->devKind = pExaPixmap->sys_pitch; - } - RegionUninit(&pExaPixmap->validSys); - RegionUninit(&pExaPixmap->validFB); - } - - swap(pExaScr, pScreen, DestroyPixmap); - ret = pScreen->DestroyPixmap (pPixmap); - swap(pExaScr, pScreen, DestroyPixmap); - - return ret; -} - -Bool -exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - ExaPixmapPriv(pPixmap); - Bool ret; - - if (pExaScr->info->PixmapIsOffscreen) { - void* old_ptr = pPixmap->devPrivate.ptr; - pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); - ret = pExaScr->info->PixmapIsOffscreen(pPixmap); - pPixmap->devPrivate.ptr = old_ptr; - } else - ret = (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr); - - return ret; -} +/*
+ * Copyright © 2009 Maarten Maathuis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "exa_priv.h"
+#include "exa.h"
+
+/* This file holds the classic exa specific implementation. */
+
+static _X_INLINE void*
+ExaGetPixmapAddress(PixmapPtr p)
+{
+ ExaPixmapPriv(p);
+
+ if (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr)
+ return pExaPixmap->fb_ptr;
+ else
+ return pExaPixmap->sys_ptr;
+}
+
+/**
+ * exaCreatePixmap() creates a new pixmap.
+ *
+ * If width and height are 0, this won't be a full-fledged pixmap and it will
+ * get ModifyPixmapHeader() called on it later. So, we mark it as pinned, because
+ * ModifyPixmapHeader() would break migration. These types of pixmaps are used
+ * for scratch pixmaps, or to represent the visible screen.
+ */
+PixmapPtr
+exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth,
+ unsigned usage_hint)
+{
+ PixmapPtr pPixmap;
+ ExaPixmapPrivPtr pExaPixmap;
+ BoxRec box;
+ int bpp;
+ ExaScreenPriv(pScreen);
+
+ if (w > 32767 || h > 32767)
+ return NullPixmap;
+
+ swap(pExaScr, pScreen, CreatePixmap);
+ pPixmap = pScreen->CreatePixmap (pScreen, w, h, depth, usage_hint);
+ swap(pExaScr, pScreen, CreatePixmap);
+
+ if (!pPixmap)
+ return NULL;
+
+ pExaPixmap = ExaGetPixmapPriv(pPixmap);
+ pExaPixmap->driverPriv = NULL;
+
+ bpp = pPixmap->drawable.bitsPerPixel;
+
+ pExaPixmap->driverPriv = NULL;
+ /* Scratch pixmaps may have w/h equal to zero, and may not be
+ * migrated.
+ */
+ if (!w || !h)
+ pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
+ else
+ pExaPixmap->score = EXA_PIXMAP_SCORE_INIT;
+
+ pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr;
+ pExaPixmap->sys_pitch = pPixmap->devKind;
+
+ pPixmap->devPrivate.ptr = NULL;
+ pExaPixmap->use_gpu_copy = FALSE;
+
+ pExaPixmap->fb_ptr = NULL;
+ exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
+ pExaPixmap->fb_size = pExaPixmap->fb_pitch * h;
+
+ if (pExaPixmap->fb_pitch > 131071) {
+ swap(pExaScr, pScreen, DestroyPixmap);
+ pScreen->DestroyPixmap (pPixmap);
+ swap(pExaScr, pScreen, DestroyPixmap);
+ return NULL;
+ }
+
+ /* Set up damage tracking */
+ pExaPixmap->pDamage = DamageCreate (NULL, NULL,
+ DamageReportNone, TRUE,
+ pScreen, pPixmap);
+
+ if (pExaPixmap->pDamage == NULL) {
+ swap(pExaScr, pScreen, DestroyPixmap);
+ pScreen->DestroyPixmap (pPixmap);
+ swap(pExaScr, pScreen, DestroyPixmap);
+ return NULL;
+ }
+
+ DamageRegister (&pPixmap->drawable, pExaPixmap->pDamage);
+ /* This ensures that pending damage reflects the current operation. */
+ /* This is used by exa to optimize migration. */
+ DamageSetReportAfterOp (pExaPixmap->pDamage, TRUE);
+
+ pExaPixmap->area = NULL;
+
+ /* We set the initial pixmap as completely valid for a simple reason.
+ * Imagine a 1000x1000 pixmap, it has 1 million pixels, 250000 of which
+ * could form single pixel rects as part of a region. Setting the complete region
+ * as valid is a natural defragmentation of the region.
+ */
+ box.x1 = 0;
+ box.y1 = 0;
+ box.x2 = w;
+ box.y2 = h;
+ RegionInit(&pExaPixmap->validSys, &box, 0);
+ RegionInit(&pExaPixmap->validFB, &box, 0);
+
+ exaSetAccelBlock(pExaScr, pExaPixmap,
+ w, h, bpp);
+
+ /* During a fallback we must prepare access. */
+ if (pExaScr->fallback_counter)
+ exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST);
+
+ return pPixmap;
+}
+
+Bool
+exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData)
+{
+ ScreenPtr pScreen;
+ ExaScreenPrivPtr pExaScr;
+ ExaPixmapPrivPtr pExaPixmap;
+ Bool ret;
+
+ if (!pPixmap)
+ return FALSE;
+
+ pScreen = pPixmap->drawable.pScreen;
+ pExaScr = ExaGetScreenPriv(pScreen);
+ pExaPixmap = ExaGetPixmapPriv(pPixmap);
+
+ if (pExaPixmap) {
+ if (pPixData)
+ pExaPixmap->sys_ptr = pPixData;
+
+ if (devKind > 0)
+ pExaPixmap->sys_pitch = devKind;
+
+ /* Classic EXA:
+ * - Framebuffer.
+ * - Scratch pixmap with gpu memory.
+ */
+ if (pExaScr->info->memoryBase && pPixData) {
+ if ((CARD8 *)pPixData >= pExaScr->info->memoryBase &&
+ ((CARD8 *)pPixData - pExaScr->info->memoryBase) <
+ pExaScr->info->memorySize) {
+ pExaPixmap->fb_ptr = pPixData;
+ pExaPixmap->fb_pitch = devKind;
+ pExaPixmap->use_gpu_copy = TRUE;
+ }
+ }
+
+ if (width > 0 && height > 0 && bitsPerPixel > 0) {
+ exaSetFbPitch(pExaScr, pExaPixmap,
+ width, height, bitsPerPixel);
+
+ exaSetAccelBlock(pExaScr, pExaPixmap,
+ width, height, bitsPerPixel);
+ }
+
+ /* Pixmaps subject to ModifyPixmapHeader will be pinned to system or
+ * gpu memory, so there's no need to track damage.
+ */
+ if (pExaPixmap->pDamage) {
+ DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+ DamageDestroy(pExaPixmap->pDamage);
+ pExaPixmap->pDamage = NULL;
+ }
+ }
+
+ swap(pExaScr, pScreen, ModifyPixmapHeader);
+ ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData);
+ swap(pExaScr, pScreen, ModifyPixmapHeader);
+
+ /* Always NULL this, we don't want lingering pointers. */
+ pPixmap->devPrivate.ptr = NULL;
+
+ return ret;
+}
+
+Bool
+exaDestroyPixmap_classic (PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ Bool ret;
+
+ if (pPixmap->refcnt == 1)
+ {
+ ExaPixmapPriv (pPixmap);
+
+ exaDestroyPixmap(pPixmap);
+
+ if (pExaPixmap->area)
+ {
+ DBG_PIXMAP(("-- 0x%p (0x%x) (%dx%d)\n",
+ (void*)pPixmap->drawable.id,
+ ExaGetPixmapPriv(pPixmap)->area->offset,
+ pPixmap->drawable.width,
+ pPixmap->drawable.height));
+ /* Free the offscreen area */
+ exaOffscreenFree (pPixmap->drawable.pScreen, pExaPixmap->area);
+ pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
+ pPixmap->devKind = pExaPixmap->sys_pitch;
+ }
+ RegionUninit(&pExaPixmap->validSys);
+ RegionUninit(&pExaPixmap->validFB);
+ }
+
+ swap(pExaScr, pScreen, DestroyPixmap);
+ ret = pScreen->DestroyPixmap (pPixmap);
+ swap(pExaScr, pScreen, DestroyPixmap);
+
+ return ret;
+}
+
+Bool
+exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ ExaPixmapPriv(pPixmap);
+ Bool ret;
+
+ if (pExaScr->info->PixmapIsOffscreen) {
+ void* old_ptr = pPixmap->devPrivate.ptr;
+ pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap);
+ ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
+ pPixmap->devPrivate.ptr = old_ptr;
+ } else
+ ret = (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr);
+
+ return ret;
+}
diff --git a/xorg-server/exa/exa_driver.c b/xorg-server/exa/exa_driver.c index 4d2a1a5df..bfc89295f 100644 --- a/xorg-server/exa/exa_driver.c +++ b/xorg-server/exa/exa_driver.c @@ -1,226 +1,226 @@ -/* - * Copyright © 2009 Maarten Maathuis - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include "exa_priv.h" -#include "exa.h" - -/* This file holds the driver allocated pixmaps specific implementation. */ - -static _X_INLINE void* -ExaGetPixmapAddress(PixmapPtr p) -{ - ExaPixmapPriv(p); - - return pExaPixmap->sys_ptr; -} - -/** - * exaCreatePixmap() creates a new pixmap. - * - * Pixmaps are always marked as pinned, because exa has no control over them. - */ -PixmapPtr -exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int depth, - unsigned class) -{ - PixmapPtr pPixmap; - ExaPixmapPrivPtr pExaPixmap; - int bpp; - size_t paddedWidth, datasize; - ExaScreenPriv(pScreen); - - if (w > 32767 || h > 32767) - return NullPixmap; - - swap(pExaScr, pScreen, CreatePixmap); - pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, class); - swap(pExaScr, pScreen, CreatePixmap); - - if (!pPixmap) - return NULL; - - pExaPixmap = ExaGetPixmapPriv(pPixmap); - pExaPixmap->driverPriv = NULL; - - bpp = pPixmap->drawable.bitsPerPixel; - - /* Set this before driver hooks, to allow for driver pixmaps without gpu - * memory to back it. These pixmaps have a valid pointer at all times. - */ - pPixmap->devPrivate.ptr = NULL; - - if (pExaScr->info->CreatePixmap2) { - int new_pitch = 0; - pExaPixmap->driverPriv = pExaScr->info->CreatePixmap2(pScreen, w, h, depth, class, bpp, &new_pitch); - paddedWidth = pExaPixmap->fb_pitch = new_pitch; - } - else { - paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits); - if (paddedWidth / 4 > 32767 || h > 32767) - return NullPixmap; - - exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); - - if (paddedWidth < pExaPixmap->fb_pitch) - paddedWidth = pExaPixmap->fb_pitch; - datasize = h * paddedWidth; - pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, datasize, 0); - } - - if (!pExaPixmap->driverPriv) { - swap(pExaScr, pScreen, DestroyPixmap); - pScreen->DestroyPixmap (pPixmap); - swap(pExaScr, pScreen, DestroyPixmap); - return NULL; - } - - /* Allow ModifyPixmapHeader to set sys_ptr appropriately. */ - pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; - pExaPixmap->fb_ptr = NULL; - pExaPixmap->pDamage = NULL; - pExaPixmap->sys_ptr = NULL; - - (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0, - paddedWidth, NULL); - - pExaPixmap->area = NULL; - - exaSetAccelBlock(pExaScr, pExaPixmap, - w, h, bpp); - - pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap); - - /* During a fallback we must prepare access. */ - if (pExaScr->fallback_counter) - exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST); - - return pPixmap; -} - -Bool -exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData) -{ - ScreenPtr pScreen; - ExaScreenPrivPtr pExaScr; - ExaPixmapPrivPtr pExaPixmap; - Bool ret; - - if (!pPixmap) - return FALSE; - - pScreen = pPixmap->drawable.pScreen; - pExaScr = ExaGetScreenPriv(pScreen); - pExaPixmap = ExaGetPixmapPriv(pPixmap); - - if (pExaPixmap) { - if (pPixData) - pExaPixmap->sys_ptr = pPixData; - - if (devKind > 0) - pExaPixmap->sys_pitch = devKind; - - if (width > 0 && height > 0 && bitsPerPixel > 0) { - exaSetFbPitch(pExaScr, pExaPixmap, - width, height, bitsPerPixel); - - exaSetAccelBlock(pExaScr, pExaPixmap, - width, height, bitsPerPixel); - } - } - - if (pExaScr->info->ModifyPixmapHeader) { - ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData); - /* For EXA_HANDLES_PIXMAPS, we set pPixData to NULL. - * If pPixmap->devPrivate.ptr is non-NULL, then we've got a - * !has_gpu_copy pixmap. We need to store the pointer, - * because PrepareAccess won't be called. - */ - if (!pPixData && pPixmap->devPrivate.ptr && pPixmap->devKind) { - pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; - pExaPixmap->sys_pitch = pPixmap->devKind; - } - if (ret == TRUE) - goto out; - } - - swap(pExaScr, pScreen, ModifyPixmapHeader); - ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData); - swap(pExaScr, pScreen, ModifyPixmapHeader); - -out: - /* Always NULL this, we don't want lingering pointers. */ - pPixmap->devPrivate.ptr = NULL; - - return ret; -} - -Bool -exaDestroyPixmap_driver (PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - Bool ret; - - if (pPixmap->refcnt == 1) - { - ExaPixmapPriv (pPixmap); - - exaDestroyPixmap(pPixmap); - - if (pExaPixmap->driverPriv) - pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); - pExaPixmap->driverPriv = NULL; - } - - swap(pExaScr, pScreen, DestroyPixmap); - ret = pScreen->DestroyPixmap (pPixmap); - swap(pExaScr, pScreen, DestroyPixmap); - - return ret; -} - -Bool -exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - pointer saved_ptr; - Bool ret; - - saved_ptr = pPixmap->devPrivate.ptr; - pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); - ret = pExaScr->info->PixmapIsOffscreen(pPixmap); - pPixmap->devPrivate.ptr = saved_ptr; - - return ret; -} +/*
+ * Copyright © 2009 Maarten Maathuis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "exa_priv.h"
+#include "exa.h"
+
+/* This file holds the driver allocated pixmaps specific implementation. */
+
+static _X_INLINE void*
+ExaGetPixmapAddress(PixmapPtr p)
+{
+ ExaPixmapPriv(p);
+
+ return pExaPixmap->sys_ptr;
+}
+
+/**
+ * exaCreatePixmap() creates a new pixmap.
+ *
+ * Pixmaps are always marked as pinned, because exa has no control over them.
+ */
+PixmapPtr
+exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int depth,
+ unsigned usage_hint)
+{
+ PixmapPtr pPixmap;
+ ExaPixmapPrivPtr pExaPixmap;
+ int bpp;
+ size_t paddedWidth, datasize;
+ ExaScreenPriv(pScreen);
+
+ if (w > 32767 || h > 32767)
+ return NullPixmap;
+
+ swap(pExaScr, pScreen, CreatePixmap);
+ pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint);
+ swap(pExaScr, pScreen, CreatePixmap);
+
+ if (!pPixmap)
+ return NULL;
+
+ pExaPixmap = ExaGetPixmapPriv(pPixmap);
+ pExaPixmap->driverPriv = NULL;
+
+ bpp = pPixmap->drawable.bitsPerPixel;
+
+ /* Set this before driver hooks, to allow for driver pixmaps without gpu
+ * memory to back it. These pixmaps have a valid pointer at all times.
+ */
+ pPixmap->devPrivate.ptr = NULL;
+
+ if (pExaScr->info->CreatePixmap2) {
+ int new_pitch = 0;
+ pExaPixmap->driverPriv = pExaScr->info->CreatePixmap2(pScreen, w, h, depth, usage_hint, bpp, &new_pitch);
+ paddedWidth = pExaPixmap->fb_pitch = new_pitch;
+ }
+ else {
+ paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
+ if (paddedWidth / 4 > 32767 || h > 32767)
+ return NullPixmap;
+
+ exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
+
+ if (paddedWidth < pExaPixmap->fb_pitch)
+ paddedWidth = pExaPixmap->fb_pitch;
+ datasize = h * paddedWidth;
+ pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, datasize, 0);
+ }
+
+ if (!pExaPixmap->driverPriv) {
+ swap(pExaScr, pScreen, DestroyPixmap);
+ pScreen->DestroyPixmap (pPixmap);
+ swap(pExaScr, pScreen, DestroyPixmap);
+ return NULL;
+ }
+
+ /* Allow ModifyPixmapHeader to set sys_ptr appropriately. */
+ pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
+ pExaPixmap->fb_ptr = NULL;
+ pExaPixmap->pDamage = NULL;
+ pExaPixmap->sys_ptr = NULL;
+
+ (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
+ paddedWidth, NULL);
+
+ pExaPixmap->area = NULL;
+
+ exaSetAccelBlock(pExaScr, pExaPixmap,
+ w, h, bpp);
+
+ pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+
+ /* During a fallback we must prepare access. */
+ if (pExaScr->fallback_counter)
+ exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST);
+
+ return pPixmap;
+}
+
+Bool
+exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData)
+{
+ ScreenPtr pScreen;
+ ExaScreenPrivPtr pExaScr;
+ ExaPixmapPrivPtr pExaPixmap;
+ Bool ret;
+
+ if (!pPixmap)
+ return FALSE;
+
+ pScreen = pPixmap->drawable.pScreen;
+ pExaScr = ExaGetScreenPriv(pScreen);
+ pExaPixmap = ExaGetPixmapPriv(pPixmap);
+
+ if (pExaPixmap) {
+ if (pPixData)
+ pExaPixmap->sys_ptr = pPixData;
+
+ if (devKind > 0)
+ pExaPixmap->sys_pitch = devKind;
+
+ if (width > 0 && height > 0 && bitsPerPixel > 0) {
+ exaSetFbPitch(pExaScr, pExaPixmap,
+ width, height, bitsPerPixel);
+
+ exaSetAccelBlock(pExaScr, pExaPixmap,
+ width, height, bitsPerPixel);
+ }
+ }
+
+ if (pExaScr->info->ModifyPixmapHeader) {
+ ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData);
+ /* For EXA_HANDLES_PIXMAPS, we set pPixData to NULL.
+ * If pPixmap->devPrivate.ptr is non-NULL, then we've got a
+ * !has_gpu_copy pixmap. We need to store the pointer,
+ * because PrepareAccess won't be called.
+ */
+ if (!pPixData && pPixmap->devPrivate.ptr && pPixmap->devKind) {
+ pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr;
+ pExaPixmap->sys_pitch = pPixmap->devKind;
+ }
+ if (ret == TRUE)
+ goto out;
+ }
+
+ swap(pExaScr, pScreen, ModifyPixmapHeader);
+ ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData);
+ swap(pExaScr, pScreen, ModifyPixmapHeader);
+
+out:
+ /* Always NULL this, we don't want lingering pointers. */
+ pPixmap->devPrivate.ptr = NULL;
+
+ return ret;
+}
+
+Bool
+exaDestroyPixmap_driver (PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ Bool ret;
+
+ if (pPixmap->refcnt == 1)
+ {
+ ExaPixmapPriv (pPixmap);
+
+ exaDestroyPixmap(pPixmap);
+
+ if (pExaPixmap->driverPriv)
+ pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
+ pExaPixmap->driverPriv = NULL;
+ }
+
+ swap(pExaScr, pScreen, DestroyPixmap);
+ ret = pScreen->DestroyPixmap (pPixmap);
+ swap(pExaScr, pScreen, DestroyPixmap);
+
+ return ret;
+}
+
+Bool
+exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ pointer saved_ptr;
+ Bool ret;
+
+ saved_ptr = pPixmap->devPrivate.ptr;
+ pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap);
+ ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
+ pPixmap->devPrivate.ptr = saved_ptr;
+
+ return ret;
+}
diff --git a/xorg-server/exa/exa_migration_mixed.c b/xorg-server/exa/exa_migration_mixed.c index a563357be..9489b2927 100644 --- a/xorg-server/exa/exa_migration_mixed.c +++ b/xorg-server/exa/exa_migration_mixed.c @@ -1,261 +1,261 @@ -/* - * Copyright © 2009 Maarten Maathuis - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include "exa_priv.h" -#include "exa.h" - -void -exaCreateDriverPixmap_mixed(PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - ExaPixmapPriv(pPixmap); - int w = pPixmap->drawable.width, h = pPixmap->drawable.height; - int depth = pPixmap->drawable.depth, bpp = pPixmap->drawable.bitsPerPixel; - int class = pPixmap->drawable.class; - int paddedWidth = pExaPixmap->sys_pitch; - - /* Already done. */ - if (pExaPixmap->driverPriv) - return; - - if (exaPixmapIsPinned(pPixmap)) - return; - - /* Can't accel 1/4 bpp. */ - if (pExaPixmap->accel_blocked || bpp < 8) - return; - - if (pExaScr->info->CreatePixmap2) { - int new_pitch = 0; - pExaPixmap->driverPriv = pExaScr->info->CreatePixmap2(pScreen, w, h, depth, class, bpp, &new_pitch); - paddedWidth = pExaPixmap->fb_pitch = new_pitch; - } else { - if (paddedWidth < pExaPixmap->fb_pitch) - paddedWidth = pExaPixmap->fb_pitch; - pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, paddedWidth*h, 0); - } - - if (!pExaPixmap->driverPriv) - return; - - (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0, - paddedWidth, NULL); -} - -void -exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel) -{ - int i; - - /* If anything is pinned in system memory, we won't be able to - * accelerate. - */ - for (i = 0; i < npixmaps; i++) { - if (exaPixmapIsPinned (pixmaps[i].pPix) && - !exaPixmapHasGpuCopy (pixmaps[i].pPix)) - { - can_accel = FALSE; - break; - } - } - - /* We can do nothing. */ - if (!can_accel) - return; - - for (i = 0; i < npixmaps; i++) { - PixmapPtr pPixmap = pixmaps[i].pPix; - ExaPixmapPriv(pPixmap); - - if (!pExaPixmap->driverPriv) - exaCreateDriverPixmap_mixed(pPixmap); - - if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) { - ExaScreenPriv(pPixmap->drawable.pScreen); - - /* This pitch is needed for proper acceleration. For some reason - * there are pixmaps without pDamage and a bad fb_pitch value. - * So setting devKind when only exaPixmapHasGpuCopy() is true - * causes corruption. Pixmaps without pDamage are not migrated - * and should have a valid devKind at all times, so that's why this - * isn't causing problems. Pixmaps have their gpu pitch set the - * first time in the MPH call from exaCreateDriverPixmap_mixed(). - */ - pPixmap->devKind = pExaPixmap->fb_pitch; - exaCopyDirtyToFb(pixmaps + i); - - if (pExaScr->deferred_mixed_pixmap == pPixmap && - !pixmaps[i].as_dst && !pixmaps[i].pReg) - pExaScr->deferred_mixed_pixmap = NULL; - } - - pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap); - } -} - -void -exaMoveInPixmap_mixed(PixmapPtr pPixmap) -{ - ExaMigrationRec pixmaps[1]; - - pixmaps[0].as_dst = FALSE; - pixmaps[0].as_src = TRUE; - pixmaps[0].pPix = pPixmap; - pixmaps[0].pReg = NULL; - - exaDoMigration(pixmaps, 1, TRUE); -} - -void -exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure) -{ - PixmapPtr pPixmap = closure; - ExaPixmapPriv(pPixmap); - - /* Move back results of software rendering on system memory copy of mixed driver - * pixmap (see exaPrepareAccessReg_mixed). - * - * Defer moving the destination back into the driver pixmap, to try and save - * overhead on multiple subsequent software fallbacks. - */ - if (!pExaPixmap->use_gpu_copy && exaPixmapHasGpuCopy(pPixmap)) { - ExaScreenPriv(pPixmap->drawable.pScreen); - - if (pExaScr->deferred_mixed_pixmap && - pExaScr->deferred_mixed_pixmap != pPixmap) - exaMoveInPixmap_mixed(pExaScr->deferred_mixed_pixmap); - pExaScr->deferred_mixed_pixmap = pPixmap; - } -} - -/* With mixed pixmaps, if we fail to get direct access to the driver pixmap, we - * use the DownloadFromScreen hook to retrieve contents to a copy in system - * memory, perform software rendering on that and move back the results with the - * UploadToScreen hook (see exaDamageReport_mixed). - */ -void -exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg) -{ - ExaPixmapPriv(pPixmap); - Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap); - Bool success; - - success = ExaDoPrepareAccess(pPixmap, index); - - if (success && has_gpu_copy && pExaPixmap->pDamage) { - /* You cannot do accelerated operations while a buffer is mapped. */ - exaFinishAccess(&pPixmap->drawable, index); - /* Update the gpu view of both deferred destination pixmaps and of - * source pixmaps that were migrated with a bounding region. - */ - exaMoveInPixmap_mixed(pPixmap); - success = ExaDoPrepareAccess(pPixmap, index); - - if (success) { - /* We have a gpu pixmap that can be accessed, we don't need the cpu - * copy anymore. Drivers that prefer DFS, should fail prepare - * access. - */ - DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); - DamageDestroy(pExaPixmap->pDamage); - pExaPixmap->pDamage = NULL; - - free(pExaPixmap->sys_ptr); - pExaPixmap->sys_ptr = NULL; - - return; - } - } - - if (!success) { - ExaMigrationRec pixmaps[1]; - - /* Do we need to allocate our system buffer? */ - if (!pExaPixmap->sys_ptr) { - pExaPixmap->sys_ptr = malloc(pExaPixmap->sys_pitch * - pPixmap->drawable.height); - if (!pExaPixmap->sys_ptr) - FatalError("EXA: malloc failed for size %d bytes\n", - pExaPixmap->sys_pitch * pPixmap->drawable.height); - } - - if (index == EXA_PREPARE_DEST || index == EXA_PREPARE_AUX_DEST) { - pixmaps[0].as_dst = TRUE; - pixmaps[0].as_src = FALSE; - } else { - pixmaps[0].as_dst = FALSE; - pixmaps[0].as_src = TRUE; - } - pixmaps[0].pPix = pPixmap; - pixmaps[0].pReg = pReg; - - if (!pExaPixmap->pDamage && - (has_gpu_copy || !exaPixmapIsPinned(pPixmap))) { - Bool as_dst = pixmaps[0].as_dst; - - /* Set up damage tracking */ - pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL, - DamageReportNonEmpty, TRUE, - pPixmap->drawable.pScreen, - pPixmap); - - DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage); - /* This ensures that pending damage reflects the current operation. */ - /* This is used by exa to optimize migration. */ - DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE); - - if (has_gpu_copy) { - exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width, - pPixmap->drawable.height); - - /* We don't know which region of the destination will be damaged, - * have to assume all of it - */ - if (as_dst) { - pixmaps[0].as_dst = FALSE; - pixmaps[0].as_src = TRUE; - pixmaps[0].pReg = NULL; - } - exaCopyDirtyToSys(pixmaps); - } - - if (as_dst) - exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width, - pPixmap->drawable.height); - } else if (has_gpu_copy) - exaCopyDirtyToSys(pixmaps); - - pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; - pPixmap->devKind = pExaPixmap->sys_pitch; - pExaPixmap->use_gpu_copy = FALSE; - } -} - +/*
+ * Copyright © 2009 Maarten Maathuis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "exa_priv.h"
+#include "exa.h"
+
+void
+exaCreateDriverPixmap_mixed(PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ ExaPixmapPriv(pPixmap);
+ int w = pPixmap->drawable.width, h = pPixmap->drawable.height;
+ int depth = pPixmap->drawable.depth, bpp = pPixmap->drawable.bitsPerPixel;
+ int usage_hint = pPixmap->usage_hint;
+ int paddedWidth = pExaPixmap->sys_pitch;
+
+ /* Already done. */
+ if (pExaPixmap->driverPriv)
+ return;
+
+ if (exaPixmapIsPinned(pPixmap))
+ return;
+
+ /* Can't accel 1/4 bpp. */
+ if (pExaPixmap->accel_blocked || bpp < 8)
+ return;
+
+ if (pExaScr->info->CreatePixmap2) {
+ int new_pitch = 0;
+ pExaPixmap->driverPriv = pExaScr->info->CreatePixmap2(pScreen, w, h, depth, usage_hint, bpp, &new_pitch);
+ paddedWidth = pExaPixmap->fb_pitch = new_pitch;
+ } else {
+ if (paddedWidth < pExaPixmap->fb_pitch)
+ paddedWidth = pExaPixmap->fb_pitch;
+ pExaPixmap->driverPriv = pExaScr->info->CreatePixmap(pScreen, paddedWidth*h, 0);
+ }
+
+ if (!pExaPixmap->driverPriv)
+ return;
+
+ (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
+ paddedWidth, NULL);
+}
+
+void
+exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel)
+{
+ int i;
+
+ /* If anything is pinned in system memory, we won't be able to
+ * accelerate.
+ */
+ for (i = 0; i < npixmaps; i++) {
+ if (exaPixmapIsPinned (pixmaps[i].pPix) &&
+ !exaPixmapHasGpuCopy (pixmaps[i].pPix))
+ {
+ can_accel = FALSE;
+ break;
+ }
+ }
+
+ /* We can do nothing. */
+ if (!can_accel)
+ return;
+
+ for (i = 0; i < npixmaps; i++) {
+ PixmapPtr pPixmap = pixmaps[i].pPix;
+ ExaPixmapPriv(pPixmap);
+
+ if (!pExaPixmap->driverPriv)
+ exaCreateDriverPixmap_mixed(pPixmap);
+
+ if (pExaPixmap->pDamage && exaPixmapHasGpuCopy(pPixmap)) {
+ ExaScreenPriv(pPixmap->drawable.pScreen);
+
+ /* This pitch is needed for proper acceleration. For some reason
+ * there are pixmaps without pDamage and a bad fb_pitch value.
+ * So setting devKind when only exaPixmapHasGpuCopy() is true
+ * causes corruption. Pixmaps without pDamage are not migrated
+ * and should have a valid devKind at all times, so that's why this
+ * isn't causing problems. Pixmaps have their gpu pitch set the
+ * first time in the MPH call from exaCreateDriverPixmap_mixed().
+ */
+ pPixmap->devKind = pExaPixmap->fb_pitch;
+ exaCopyDirtyToFb(pixmaps + i);
+
+ if (pExaScr->deferred_mixed_pixmap == pPixmap &&
+ !pixmaps[i].as_dst && !pixmaps[i].pReg)
+ pExaScr->deferred_mixed_pixmap = NULL;
+ }
+
+ pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+ }
+}
+
+void
+exaMoveInPixmap_mixed(PixmapPtr pPixmap)
+{
+ ExaMigrationRec pixmaps[1];
+
+ pixmaps[0].as_dst = FALSE;
+ pixmaps[0].as_src = TRUE;
+ pixmaps[0].pPix = pPixmap;
+ pixmaps[0].pReg = NULL;
+
+ exaDoMigration(pixmaps, 1, TRUE);
+}
+
+void
+exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure)
+{
+ PixmapPtr pPixmap = closure;
+ ExaPixmapPriv(pPixmap);
+
+ /* Move back results of software rendering on system memory copy of mixed driver
+ * pixmap (see exaPrepareAccessReg_mixed).
+ *
+ * Defer moving the destination back into the driver pixmap, to try and save
+ * overhead on multiple subsequent software fallbacks.
+ */
+ if (!pExaPixmap->use_gpu_copy && exaPixmapHasGpuCopy(pPixmap)) {
+ ExaScreenPriv(pPixmap->drawable.pScreen);
+
+ if (pExaScr->deferred_mixed_pixmap &&
+ pExaScr->deferred_mixed_pixmap != pPixmap)
+ exaMoveInPixmap_mixed(pExaScr->deferred_mixed_pixmap);
+ pExaScr->deferred_mixed_pixmap = pPixmap;
+ }
+}
+
+/* With mixed pixmaps, if we fail to get direct access to the driver pixmap, we
+ * use the DownloadFromScreen hook to retrieve contents to a copy in system
+ * memory, perform software rendering on that and move back the results with the
+ * UploadToScreen hook (see exaDamageReport_mixed).
+ */
+void
+exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg)
+{
+ ExaPixmapPriv(pPixmap);
+ Bool has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+ Bool success;
+
+ success = ExaDoPrepareAccess(pPixmap, index);
+
+ if (success && has_gpu_copy && pExaPixmap->pDamage) {
+ /* You cannot do accelerated operations while a buffer is mapped. */
+ exaFinishAccess(&pPixmap->drawable, index);
+ /* Update the gpu view of both deferred destination pixmaps and of
+ * source pixmaps that were migrated with a bounding region.
+ */
+ exaMoveInPixmap_mixed(pPixmap);
+ success = ExaDoPrepareAccess(pPixmap, index);
+
+ if (success) {
+ /* We have a gpu pixmap that can be accessed, we don't need the cpu
+ * copy anymore. Drivers that prefer DFS, should fail prepare
+ * access.
+ */
+ DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+ DamageDestroy(pExaPixmap->pDamage);
+ pExaPixmap->pDamage = NULL;
+
+ free(pExaPixmap->sys_ptr);
+ pExaPixmap->sys_ptr = NULL;
+
+ return;
+ }
+ }
+
+ if (!success) {
+ ExaMigrationRec pixmaps[1];
+
+ /* Do we need to allocate our system buffer? */
+ if (!pExaPixmap->sys_ptr) {
+ pExaPixmap->sys_ptr = malloc(pExaPixmap->sys_pitch *
+ pPixmap->drawable.height);
+ if (!pExaPixmap->sys_ptr)
+ FatalError("EXA: malloc failed for size %d bytes\n",
+ pExaPixmap->sys_pitch * pPixmap->drawable.height);
+ }
+
+ if (index == EXA_PREPARE_DEST || index == EXA_PREPARE_AUX_DEST) {
+ pixmaps[0].as_dst = TRUE;
+ pixmaps[0].as_src = FALSE;
+ } else {
+ pixmaps[0].as_dst = FALSE;
+ pixmaps[0].as_src = TRUE;
+ }
+ pixmaps[0].pPix = pPixmap;
+ pixmaps[0].pReg = pReg;
+
+ if (!pExaPixmap->pDamage &&
+ (has_gpu_copy || !exaPixmapIsPinned(pPixmap))) {
+ Bool as_dst = pixmaps[0].as_dst;
+
+ /* Set up damage tracking */
+ pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL,
+ DamageReportNonEmpty, TRUE,
+ pPixmap->drawable.pScreen,
+ pPixmap);
+
+ DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage);
+ /* This ensures that pending damage reflects the current operation. */
+ /* This is used by exa to optimize migration. */
+ DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE);
+
+ if (has_gpu_copy) {
+ exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
+ pPixmap->drawable.height);
+
+ /* We don't know which region of the destination will be damaged,
+ * have to assume all of it
+ */
+ if (as_dst) {
+ pixmaps[0].as_dst = FALSE;
+ pixmaps[0].as_src = TRUE;
+ pixmaps[0].pReg = NULL;
+ }
+ exaCopyDirtyToSys(pixmaps);
+ }
+
+ if (as_dst)
+ exaPixmapDirty(pPixmap, 0, 0, pPixmap->drawable.width,
+ pPixmap->drawable.height);
+ } else if (has_gpu_copy)
+ exaCopyDirtyToSys(pixmaps);
+
+ pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
+ pPixmap->devKind = pExaPixmap->sys_pitch;
+ pExaPixmap->use_gpu_copy = FALSE;
+ }
+}
+
diff --git a/xorg-server/exa/exa_mixed.c b/xorg-server/exa/exa_mixed.c index 24fce7645..188a7e0a6 100644 --- a/xorg-server/exa/exa_mixed.c +++ b/xorg-server/exa/exa_mixed.c @@ -1,290 +1,290 @@ -/* - * Copyright © 2009 Maarten Maathuis - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <string.h> - -#include "exa_priv.h" -#include "exa.h" - -/* This file holds the driver allocated pixmaps + better initial placement code. - */ - -static _X_INLINE void* -ExaGetPixmapAddress(PixmapPtr p) -{ - ExaPixmapPriv(p); - - return pExaPixmap->sys_ptr; -} - -/** - * exaCreatePixmap() creates a new pixmap. - */ -PixmapPtr -exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth, - unsigned class) -{ - PixmapPtr pPixmap; - ExaPixmapPrivPtr pExaPixmap; - int bpp; - size_t paddedWidth; - ExaScreenPriv(pScreen); - - if (w > 32767 || h > 32767) - return NullPixmap; - - swap(pExaScr, pScreen, CreatePixmap); - pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, class); - swap(pExaScr, pScreen, CreatePixmap); - - if (!pPixmap) - return NULL; - - pExaPixmap = ExaGetPixmapPriv(pPixmap); - pExaPixmap->driverPriv = NULL; - - bpp = pPixmap->drawable.bitsPerPixel; - - paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits); - if (paddedWidth / 4 > 32767 || h > 32767) - return NullPixmap; - - /* We will allocate the system pixmap later if needed. */ - pPixmap->devPrivate.ptr = NULL; - pExaPixmap->sys_ptr = NULL; - pExaPixmap->sys_pitch = paddedWidth; - - pExaPixmap->area = NULL; - pExaPixmap->fb_ptr = NULL; - pExaPixmap->pDamage = NULL; - - exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); - exaSetAccelBlock(pExaScr, pExaPixmap, - w, h, bpp); - - (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0, - paddedWidth, NULL); - - /* A scratch pixmap will become a driver pixmap right away. */ - if (!w || !h) { - exaCreateDriverPixmap_mixed(pPixmap); - pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap); - } else { - pExaPixmap->use_gpu_copy = FALSE; - - if (w == 1 && h == 1) { - pExaPixmap->sys_ptr = malloc(paddedWidth); - - /* Set up damage tracking */ - pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL, - DamageReportNonEmpty, TRUE, - pPixmap->drawable.pScreen, - pPixmap); - - DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage); - /* This ensures that pending damage reflects the current operation. */ - /* This is used by exa to optimize migration. */ - DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE); - } - } - - /* During a fallback we must prepare access. */ - if (pExaScr->fallback_counter) - exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST); - - return pPixmap; -} - -Bool -exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData) -{ - ScreenPtr pScreen; - ExaScreenPrivPtr pExaScr; - ExaPixmapPrivPtr pExaPixmap; - Bool ret, has_gpu_copy; - - if (!pPixmap) - return FALSE; - - pScreen = pPixmap->drawable.pScreen; - pExaScr = ExaGetScreenPriv(pScreen); - pExaPixmap = ExaGetPixmapPriv(pPixmap); - - if (pPixData) { - if (pExaPixmap->driverPriv) { - if (pExaPixmap->pDamage) { - DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); - DamageDestroy(pExaPixmap->pDamage); - pExaPixmap->pDamage = NULL; - } - - pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); - pExaPixmap->driverPriv = NULL; - } - - pExaPixmap->use_gpu_copy = FALSE; - pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; - } - - has_gpu_copy = exaPixmapHasGpuCopy(pPixmap); - - if (width <= 0) - width = pPixmap->drawable.width; - - if (height <= 0) - height = pPixmap->drawable.height; - - if (bitsPerPixel <= 0) { - if (depth <= 0) - bitsPerPixel = pPixmap->drawable.bitsPerPixel; - else - bitsPerPixel = BitsPerPixel(depth); - } - - if (depth <= 0) - depth = pPixmap->drawable.depth; - - if (width != pPixmap->drawable.width || - height != pPixmap->drawable.height || - depth != pPixmap->drawable.depth || - bitsPerPixel != pPixmap->drawable.bitsPerPixel) { - if (pExaPixmap->driverPriv) { - if (devKind > 0) - pExaPixmap->fb_pitch = devKind; - else - exaSetFbPitch(pExaScr, pExaPixmap, width, height, bitsPerPixel); - - exaSetAccelBlock(pExaScr, pExaPixmap, - width, height, bitsPerPixel); - RegionEmpty(&pExaPixmap->validFB); - } - - /* Need to re-create system copy if there's also a GPU copy */ - if (has_gpu_copy && pExaPixmap->sys_ptr) { - free(pExaPixmap->sys_ptr); - pExaPixmap->sys_ptr = NULL; - pExaPixmap->sys_pitch = PixmapBytePad(width, depth); - DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); - DamageDestroy(pExaPixmap->pDamage); - pExaPixmap->pDamage = NULL; - RegionEmpty(&pExaPixmap->validSys); - - if (pExaScr->deferred_mixed_pixmap == pPixmap) - pExaScr->deferred_mixed_pixmap = NULL; - } - } - - if (has_gpu_copy) { - pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr; - pPixmap->devKind = pExaPixmap->fb_pitch; - } else { - pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; - pPixmap->devKind = pExaPixmap->sys_pitch; - } - - /* Only pass driver pixmaps to the driver. */ - if (pExaScr->info->ModifyPixmapHeader && pExaPixmap->driverPriv) { - ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData); - if (ret == TRUE) - goto out; - } - - swap(pExaScr, pScreen, ModifyPixmapHeader); - ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, - bitsPerPixel, devKind, pPixData); - swap(pExaScr, pScreen, ModifyPixmapHeader); - -out: - if (has_gpu_copy) { - pExaPixmap->fb_ptr = pPixmap->devPrivate.ptr; - pExaPixmap->fb_pitch = pPixmap->devKind; - } else { - pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; - pExaPixmap->sys_pitch = pPixmap->devKind; - } - /* Always NULL this, we don't want lingering pointers. */ - pPixmap->devPrivate.ptr = NULL; - - return ret; -} - -Bool -exaDestroyPixmap_mixed(PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - Bool ret; - - if (pPixmap->refcnt == 1) - { - ExaPixmapPriv (pPixmap); - - exaDestroyPixmap(pPixmap); - - if (pExaScr->deferred_mixed_pixmap == pPixmap) - pExaScr->deferred_mixed_pixmap = NULL; - - if (pExaPixmap->driverPriv) - pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); - pExaPixmap->driverPriv = NULL; - - if (pExaPixmap->pDamage) { - free(pExaPixmap->sys_ptr); - pExaPixmap->sys_ptr = NULL; - pExaPixmap->pDamage = NULL; - } - } - - swap(pExaScr, pScreen, DestroyPixmap); - ret = pScreen->DestroyPixmap (pPixmap); - swap(pExaScr, pScreen, DestroyPixmap); - - return ret; -} - -Bool -exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ExaScreenPriv(pScreen); - ExaPixmapPriv(pPixmap); - pointer saved_ptr; - Bool ret; - - if (!pExaPixmap->driverPriv) - return FALSE; - - saved_ptr = pPixmap->devPrivate.ptr; - pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); - ret = pExaScr->info->PixmapIsOffscreen(pPixmap); - pPixmap->devPrivate.ptr = saved_ptr; - - return ret; -} +/*
+ * Copyright © 2009 Maarten Maathuis
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "exa_priv.h"
+#include "exa.h"
+
+/* This file holds the driver allocated pixmaps + better initial placement code.
+ */
+
+static _X_INLINE void*
+ExaGetPixmapAddress(PixmapPtr p)
+{
+ ExaPixmapPriv(p);
+
+ return pExaPixmap->sys_ptr;
+}
+
+/**
+ * exaCreatePixmap() creates a new pixmap.
+ */
+PixmapPtr
+exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth,
+ unsigned usage_hint)
+{
+ PixmapPtr pPixmap;
+ ExaPixmapPrivPtr pExaPixmap;
+ int bpp;
+ size_t paddedWidth;
+ ExaScreenPriv(pScreen);
+
+ if (w > 32767 || h > 32767)
+ return NullPixmap;
+
+ swap(pExaScr, pScreen, CreatePixmap);
+ pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint);
+ swap(pExaScr, pScreen, CreatePixmap);
+
+ if (!pPixmap)
+ return NULL;
+
+ pExaPixmap = ExaGetPixmapPriv(pPixmap);
+ pExaPixmap->driverPriv = NULL;
+
+ bpp = pPixmap->drawable.bitsPerPixel;
+
+ paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
+ if (paddedWidth / 4 > 32767 || h > 32767)
+ return NullPixmap;
+
+ /* We will allocate the system pixmap later if needed. */
+ pPixmap->devPrivate.ptr = NULL;
+ pExaPixmap->sys_ptr = NULL;
+ pExaPixmap->sys_pitch = paddedWidth;
+
+ pExaPixmap->area = NULL;
+ pExaPixmap->fb_ptr = NULL;
+ pExaPixmap->pDamage = NULL;
+
+ exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
+ exaSetAccelBlock(pExaScr, pExaPixmap,
+ w, h, bpp);
+
+ (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0,
+ paddedWidth, NULL);
+
+ /* A scratch pixmap will become a driver pixmap right away. */
+ if (!w || !h) {
+ exaCreateDriverPixmap_mixed(pPixmap);
+ pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+ } else {
+ pExaPixmap->use_gpu_copy = FALSE;
+
+ if (w == 1 && h == 1) {
+ pExaPixmap->sys_ptr = malloc(paddedWidth);
+
+ /* Set up damage tracking */
+ pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL,
+ DamageReportNonEmpty, TRUE,
+ pPixmap->drawable.pScreen,
+ pPixmap);
+
+ DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage);
+ /* This ensures that pending damage reflects the current operation. */
+ /* This is used by exa to optimize migration. */
+ DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE);
+ }
+ }
+
+ /* During a fallback we must prepare access. */
+ if (pExaScr->fallback_counter)
+ exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST);
+
+ return pPixmap;
+}
+
+Bool
+exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData)
+{
+ ScreenPtr pScreen;
+ ExaScreenPrivPtr pExaScr;
+ ExaPixmapPrivPtr pExaPixmap;
+ Bool ret, has_gpu_copy;
+
+ if (!pPixmap)
+ return FALSE;
+
+ pScreen = pPixmap->drawable.pScreen;
+ pExaScr = ExaGetScreenPriv(pScreen);
+ pExaPixmap = ExaGetPixmapPriv(pPixmap);
+
+ if (pPixData) {
+ if (pExaPixmap->driverPriv) {
+ if (pExaPixmap->pDamage) {
+ DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+ DamageDestroy(pExaPixmap->pDamage);
+ pExaPixmap->pDamage = NULL;
+ }
+
+ pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
+ pExaPixmap->driverPriv = NULL;
+ }
+
+ pExaPixmap->use_gpu_copy = FALSE;
+ pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
+ }
+
+ has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
+
+ if (width <= 0)
+ width = pPixmap->drawable.width;
+
+ if (height <= 0)
+ height = pPixmap->drawable.height;
+
+ if (bitsPerPixel <= 0) {
+ if (depth <= 0)
+ bitsPerPixel = pPixmap->drawable.bitsPerPixel;
+ else
+ bitsPerPixel = BitsPerPixel(depth);
+ }
+
+ if (depth <= 0)
+ depth = pPixmap->drawable.depth;
+
+ if (width != pPixmap->drawable.width ||
+ height != pPixmap->drawable.height ||
+ depth != pPixmap->drawable.depth ||
+ bitsPerPixel != pPixmap->drawable.bitsPerPixel) {
+ if (pExaPixmap->driverPriv) {
+ if (devKind > 0)
+ pExaPixmap->fb_pitch = devKind;
+ else
+ exaSetFbPitch(pExaScr, pExaPixmap, width, height, bitsPerPixel);
+
+ exaSetAccelBlock(pExaScr, pExaPixmap,
+ width, height, bitsPerPixel);
+ RegionEmpty(&pExaPixmap->validFB);
+ }
+
+ /* Need to re-create system copy if there's also a GPU copy */
+ if (has_gpu_copy && pExaPixmap->sys_ptr) {
+ free(pExaPixmap->sys_ptr);
+ pExaPixmap->sys_ptr = NULL;
+ pExaPixmap->sys_pitch = PixmapBytePad(width, depth);
+ DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage);
+ DamageDestroy(pExaPixmap->pDamage);
+ pExaPixmap->pDamage = NULL;
+ RegionEmpty(&pExaPixmap->validSys);
+
+ if (pExaScr->deferred_mixed_pixmap == pPixmap)
+ pExaScr->deferred_mixed_pixmap = NULL;
+ }
+ }
+
+ if (has_gpu_copy) {
+ pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr;
+ pPixmap->devKind = pExaPixmap->fb_pitch;
+ } else {
+ pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
+ pPixmap->devKind = pExaPixmap->sys_pitch;
+ }
+
+ /* Only pass driver pixmaps to the driver. */
+ if (pExaScr->info->ModifyPixmapHeader && pExaPixmap->driverPriv) {
+ ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData);
+ if (ret == TRUE)
+ goto out;
+ }
+
+ swap(pExaScr, pScreen, ModifyPixmapHeader);
+ ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth,
+ bitsPerPixel, devKind, pPixData);
+ swap(pExaScr, pScreen, ModifyPixmapHeader);
+
+out:
+ if (has_gpu_copy) {
+ pExaPixmap->fb_ptr = pPixmap->devPrivate.ptr;
+ pExaPixmap->fb_pitch = pPixmap->devKind;
+ } else {
+ pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr;
+ pExaPixmap->sys_pitch = pPixmap->devKind;
+ }
+ /* Always NULL this, we don't want lingering pointers. */
+ pPixmap->devPrivate.ptr = NULL;
+
+ return ret;
+}
+
+Bool
+exaDestroyPixmap_mixed(PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ Bool ret;
+
+ if (pPixmap->refcnt == 1)
+ {
+ ExaPixmapPriv (pPixmap);
+
+ exaDestroyPixmap(pPixmap);
+
+ if (pExaScr->deferred_mixed_pixmap == pPixmap)
+ pExaScr->deferred_mixed_pixmap = NULL;
+
+ if (pExaPixmap->driverPriv)
+ pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
+ pExaPixmap->driverPriv = NULL;
+
+ if (pExaPixmap->pDamage) {
+ free(pExaPixmap->sys_ptr);
+ pExaPixmap->sys_ptr = NULL;
+ pExaPixmap->pDamage = NULL;
+ }
+ }
+
+ swap(pExaScr, pScreen, DestroyPixmap);
+ ret = pScreen->DestroyPixmap (pPixmap);
+ swap(pExaScr, pScreen, DestroyPixmap);
+
+ return ret;
+}
+
+Bool
+exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pPixmap->drawable.pScreen;
+ ExaScreenPriv(pScreen);
+ ExaPixmapPriv(pPixmap);
+ pointer saved_ptr;
+ Bool ret;
+
+ if (!pExaPixmap->driverPriv)
+ return FALSE;
+
+ saved_ptr = pPixmap->devPrivate.ptr;
+ pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap);
+ ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
+ pPixmap->devPrivate.ptr = saved_ptr;
+
+ return ret;
+}
diff --git a/xorg-server/exa/exa_priv.h b/xorg-server/exa/exa_priv.h index 1f6dede94..1b8cf294a 100644 --- a/xorg-server/exa/exa_priv.h +++ b/xorg-server/exa/exa_priv.h @@ -1,725 +1,725 @@ -/* - * - * Copyright (C) 2000 Keith Packard, member of The XFree86 Project, Inc. - * 2005 Zack Rusin, Trolltech - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the name of Keith Packard not be used in - * advertising or publicity pertaining to distribution of the software without - * specific, written prior permission. Keith Packard makes no - * representations about the suitability of this software for any purpose. It - * is provided "as is" without express or implied warranty. - * - * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS - * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND - * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY - * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -#ifndef EXAPRIV_H -#define EXAPRIV_H - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "exa.h" - -#include <X11/X.h> -#include <X11/Xproto.h> -#ifdef MITSHM -#include "shmint.h" -#endif -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "windowstr.h" -#include "servermd.h" -#include "mibstore.h" -#include "colormapst.h" -#include "gcstruct.h" -#include "input.h" -#include "mipointer.h" -#include "mi.h" -#include "dix.h" -#include "fb.h" -#include "fboverlay.h" -#include "fbpict.h" -#include "glyphstr.h" -#include "damage.h" - -#define DEBUG_TRACE_FALL 0 -#define DEBUG_MIGRATE 0 -#define DEBUG_PIXMAP 0 -#define DEBUG_OFFSCREEN 0 -#define DEBUG_GLYPH_CACHE 0 - -#if DEBUG_TRACE_FALL -#define EXA_FALLBACK(x) \ -do { \ - ErrorF("EXA fallback at %s: ", __FUNCTION__); \ - ErrorF x; \ -} while (0) - -char -exaDrawableLocation(DrawablePtr pDrawable); -#else -#define EXA_FALLBACK(x) -#endif - -#if DEBUG_PIXMAP -#define DBG_PIXMAP(a) ErrorF a -#else -#define DBG_PIXMAP(a) -#endif - -#ifndef EXA_MAX_FB -#define EXA_MAX_FB FB_OVERLAY_MAX -#endif - -#ifdef DEBUG -#define EXA_FatalErrorDebug(x) FatalError x -#define EXA_FatalErrorDebugWithRet(x, ret) FatalError x -#else -#define EXA_FatalErrorDebug(x) ErrorF x -#define EXA_FatalErrorDebugWithRet(x, ret) \ -do { \ - ErrorF x; \ - return ret; \ -} while (0) -#endif - -/** - * This is the list of migration heuristics supported by EXA. See - * exaDoMigration() for what their implementations do. - */ -enum ExaMigrationHeuristic { - ExaMigrationGreedy, - ExaMigrationAlways, - ExaMigrationSmart -}; - -typedef struct { - unsigned char sha1[20]; -} ExaCachedGlyphRec, *ExaCachedGlyphPtr; - -typedef struct { - /* The identity of the cache, statically configured at initialization */ - unsigned int format; - int glyphWidth; - int glyphHeight; - - int size; /* Size of cache; eventually this should be dynamically determined */ - - /* Hash table mapping from glyph sha1 to position in the glyph; we use - * open addressing with a hash table size determined based on size and large - * enough so that we always have a good amount of free space, so we can - * use linear probing. (Linear probing is preferrable to double hashing - * here because it allows us to easily remove entries.) - */ - int *hashEntries; - int hashSize; - - ExaCachedGlyphPtr glyphs; - int glyphCount; /* Current number of glyphs */ - - PicturePtr picture; /* Where the glyphs of the cache are stored */ - int yOffset; /* y location within the picture where the cache starts */ - int columns; /* Number of columns the glyphs are layed out in */ - int evictionPosition; /* Next random position to evict a glyph */ -} ExaGlyphCacheRec, *ExaGlyphCachePtr; - -#define EXA_NUM_GLYPH_CACHES 4 - -#define EXA_FALLBACK_COPYWINDOW (1 << 0) -#define EXA_ACCEL_COPYWINDOW (1 << 1) - -typedef struct _ExaMigrationRec { - Bool as_dst; - Bool as_src; - PixmapPtr pPix; - RegionPtr pReg; -} ExaMigrationRec, *ExaMigrationPtr; - -typedef void (*EnableDisableFBAccessProcPtr)(int, Bool); -typedef struct { - ExaDriverPtr info; - ScreenBlockHandlerProcPtr SavedBlockHandler; - ScreenWakeupHandlerProcPtr SavedWakeupHandler; - CreateGCProcPtr SavedCreateGC; - CloseScreenProcPtr SavedCloseScreen; - GetImageProcPtr SavedGetImage; - GetSpansProcPtr SavedGetSpans; - CreatePixmapProcPtr SavedCreatePixmap; - DestroyPixmapProcPtr SavedDestroyPixmap; - CopyWindowProcPtr SavedCopyWindow; - ChangeWindowAttributesProcPtr SavedChangeWindowAttributes; - BitmapToRegionProcPtr SavedBitmapToRegion; - CreateScreenResourcesProcPtr SavedCreateScreenResources; - ModifyPixmapHeaderProcPtr SavedModifyPixmapHeader; - SourceValidateProcPtr SavedSourceValidate; - CompositeProcPtr SavedComposite; - TrianglesProcPtr SavedTriangles; - GlyphsProcPtr SavedGlyphs; - TrapezoidsProcPtr SavedTrapezoids; - AddTrapsProcPtr SavedAddTraps; - void (*do_migration) (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); - Bool (*pixmap_has_gpu_copy) (PixmapPtr pPixmap); - void (*do_move_in_pixmap) (PixmapPtr pPixmap); - void (*do_move_out_pixmap) (PixmapPtr pPixmap); - void (*prepare_access_reg)(PixmapPtr pPixmap, int index, RegionPtr pReg); - - Bool swappedOut; - enum ExaMigrationHeuristic migration; - Bool checkDirtyCorrectness; - unsigned disableFbCount; - Bool optimize_migration; - unsigned offScreenCounter; - unsigned numOffscreenAvailable; - CARD32 lastDefragment; - CARD32 nextDefragment; - PixmapPtr deferred_mixed_pixmap; - - /* Reference counting for accessed pixmaps */ - struct { - PixmapPtr pixmap; - int count; - Bool retval; - } access[EXA_NUM_PREPARE_INDICES]; - - /* Holds information on fallbacks that cannot be relayed otherwise. */ - unsigned int fallback_flags; - unsigned int fallback_counter; - - ExaGlyphCacheRec glyphCaches[EXA_NUM_GLYPH_CACHES]; - - /** - * Regions affected by fallback composite source / mask operations. - */ - - RegionRec srcReg; - RegionRec maskReg; - PixmapPtr srcPix; - -} ExaScreenPrivRec, *ExaScreenPrivPtr; - -/* - * This is the only completely portable way to - * compute this info. - */ -#ifndef BitsPerPixel -#define BitsPerPixel(d) (\ - PixmapWidthPaddingInfo[d].notPower2 ? \ - (PixmapWidthPaddingInfo[d].bytesPerPixel * 8) : \ - ((1 << PixmapWidthPaddingInfo[d].padBytesLog2) * 8 / \ - (PixmapWidthPaddingInfo[d].padRoundUp+1))) -#endif - -extern DevPrivateKeyRec exaScreenPrivateKeyRec; -#define exaScreenPrivateKey (&exaScreenPrivateKeyRec) -extern DevPrivateKeyRec exaPixmapPrivateKeyRec; -#define exaPixmapPrivateKey (&exaPixmapPrivateKeyRec) -extern DevPrivateKeyRec exaGCPrivateKeyRec; -#define exaGCPrivateKey (&exaGCPrivateKeyRec) - -#define ExaGetScreenPriv(s) ((ExaScreenPrivPtr)dixLookupPrivate(&(s)->devPrivates, exaScreenPrivateKey)) -#define ExaScreenPriv(s) ExaScreenPrivPtr pExaScr = ExaGetScreenPriv(s) - -#define ExaGetGCPriv(gc) ((ExaGCPrivPtr)dixLookupPrivate(&(gc)->devPrivates, exaGCPrivateKey)) -#define ExaGCPriv(gc) ExaGCPrivPtr pExaGC = ExaGetGCPriv(gc) - -/* - * Some macros to deal with function wrapping. - */ -#define wrap(priv, real, mem, func) {\ - priv->Saved##mem = real->mem; \ - real->mem = func; \ -} - -#define unwrap(priv, real, mem) {\ - real->mem = priv->Saved##mem; \ -} - -#define swap(priv, real, mem) {\ - void *tmp = priv->Saved##mem; \ - priv->Saved##mem = real->mem; \ - real->mem = tmp; \ -} - -#define EXA_PRE_FALLBACK(_screen_) \ - ExaScreenPriv(_screen_); \ - pExaScr->fallback_counter++; - -#define EXA_POST_FALLBACK(_screen_) \ - pExaScr->fallback_counter--; - -#define EXA_PRE_FALLBACK_GC(_gc_) \ - ExaScreenPriv(_gc_->pScreen); \ - ExaGCPriv(_gc_); \ - pExaScr->fallback_counter++; \ - swap(pExaGC, _gc_, ops); - -#define EXA_POST_FALLBACK_GC(_gc_) \ - pExaScr->fallback_counter--; \ - swap(pExaGC, _gc_, ops); - -/** Align an offset to an arbitrary alignment */ -#define EXA_ALIGN(offset, align) (((offset) + (align) - 1) - \ - (((offset) + (align) - 1) % (align))) -/** Align an offset to a power-of-two alignment */ -#define EXA_ALIGN2(offset, align) (((offset) + (align) - 1) & ~((align) - 1)) - -#define EXA_PIXMAP_SCORE_MOVE_IN 10 -#define EXA_PIXMAP_SCORE_MAX 20 -#define EXA_PIXMAP_SCORE_MOVE_OUT -10 -#define EXA_PIXMAP_SCORE_MIN -20 -#define EXA_PIXMAP_SCORE_PINNED 1000 -#define EXA_PIXMAP_SCORE_INIT 1001 - -#define ExaGetPixmapPriv(p) ((ExaPixmapPrivPtr)dixLookupPrivate(&(p)->devPrivates, exaPixmapPrivateKey)) -#define ExaSetPixmapPriv(p,a) dixSetPrivate(&(p)->devPrivates, exaPixmapPrivateKey, a) -#define ExaPixmapPriv(p) ExaPixmapPrivPtr pExaPixmap = ExaGetPixmapPriv(p) - -#define EXA_RANGE_PITCH (1 << 0) -#define EXA_RANGE_WIDTH (1 << 1) -#define EXA_RANGE_HEIGHT (1 << 2) - -typedef struct { - ExaOffscreenArea *area; - int score; /**< score for the move-in vs move-out heuristic */ - Bool use_gpu_copy; - - CARD8 *sys_ptr; /**< pointer to pixmap data in system memory */ - int sys_pitch; /**< pitch of pixmap in system memory */ - - CARD8 *fb_ptr; /**< pointer to pixmap data in framebuffer memory */ - int fb_pitch; /**< pitch of pixmap in framebuffer memory */ - unsigned int fb_size; /**< size of pixmap in framebuffer memory */ - - /** - * Holds information about whether this pixmap can be used for - * acceleration (== 0) or not (> 0). - * - * Contains a OR'ed combination of the following values: - * EXA_RANGE_PITCH - set if the pixmap's pitch is out of range - * EXA_RANGE_WIDTH - set if the pixmap's width is out of range - * EXA_RANGE_HEIGHT - set if the pixmap's height is out of range - */ - unsigned int accel_blocked; - - /** - * The damage record contains the areas of the pixmap's current location - * (framebuffer or system) that have been damaged compared to the other - * location. - */ - DamagePtr pDamage; - /** - * The valid regions mark the valid bits (at least, as they're derived from - * damage, which may be overreported) of a pixmap's system and FB copies. - */ - RegionRec validSys, validFB; - /** - * Driver private storage per EXA pixmap - */ - void *driverPriv; -} ExaPixmapPrivRec, *ExaPixmapPrivPtr; - -typedef struct { - /* GC values from the layer below. */ - GCOps *Savedops; - GCFuncs *Savedfuncs; -} ExaGCPrivRec, *ExaGCPrivPtr; - -typedef struct { - PicturePtr pDst; - INT16 xSrc; - INT16 ySrc; - INT16 xMask; - INT16 yMask; - INT16 xDst; - INT16 yDst; - INT16 width; - INT16 height; -} ExaCompositeRectRec, *ExaCompositeRectPtr; - -/** - * exaDDXDriverInit must be implemented by the DDX using EXA, and is the place - * to set EXA options or hook in screen functions to handle using EXA as the AA. - */ -void exaDDXDriverInit (ScreenPtr pScreen); - -/* exa_unaccel.c */ -void -exaPrepareAccessGC(GCPtr pGC); - -void -exaFinishAccessGC(GCPtr pGC); - -void -ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans, - DDXPointPtr ppt, int *pwidth, int fSorted); - -void -ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc, - DDXPointPtr ppt, int *pwidth, int nspans, int fSorted); - -void -ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, - int x, int y, int w, int h, int leftPad, int format, - char *bits); - -void -ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, - BoxPtr pbox, int nbox, int dx, int dy, Bool reverse, - Bool upsidedown, Pixel bitplane, void *closure); - -RegionPtr -ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, - int srcx, int srcy, int w, int h, int dstx, int dsty); - -RegionPtr -ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, - int srcx, int srcy, int w, int h, int dstx, int dsty, - unsigned long bitPlane); - -void -ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, - DDXPointPtr pptInit); - -void -ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC, - int mode, int npt, DDXPointPtr ppt); - -void -ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC, - int nsegInit, xSegment *pSegInit); - -void -ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC, - int narcs, xArc *pArcs); - -void -ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC, - int nrect, xRectangle *prect); - -void -ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, pointer pglyphBase); - -void -ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, - int x, int y, unsigned int nglyph, - CharInfoPtr *ppci, pointer pglyphBase); - -void -ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap, - DrawablePtr pDrawable, - int w, int h, int x, int y); - -void -ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc); - -void -ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h, - unsigned int format, unsigned long planeMask, char *d); - -void -ExaCheckGetSpans (DrawablePtr pDrawable, - int wMax, - DDXPointPtr ppt, - int *pwidth, - int nspans, - char *pdstStart); - -void -ExaCheckAddTraps (PicturePtr pPicture, - INT16 x_off, - INT16 y_off, - int ntrap, - xTrap *traps); - -/* exa_accel.c */ - -static _X_INLINE Bool -exaGCReadsDestination(DrawablePtr pDrawable, unsigned long planemask, - unsigned int fillStyle, unsigned char alu, - unsigned int clientClipType) -{ - return ((alu != GXcopy && alu != GXclear && alu != GXset && - alu != GXcopyInverted) || fillStyle == FillStippled || - clientClipType != CT_NONE || !EXA_PM_IS_SOLID(pDrawable, planemask)); -} - -void -exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc); - -Bool -exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile, - DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu, - unsigned int clientClipType); - -void -exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h, - unsigned int format, unsigned long planeMask, char *d); - -RegionPtr -exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC, - int srcx, int srcy, int width, int height, int dstx, int dsty); - -Bool -exaHWCopyNtoN (DrawablePtr pSrcDrawable, - DrawablePtr pDstDrawable, - GCPtr pGC, - BoxPtr pbox, - int nbox, - int dx, - int dy, - Bool reverse, - Bool upsidedown); - -void -exaCopyNtoN (DrawablePtr pSrcDrawable, - DrawablePtr pDstDrawable, - GCPtr pGC, - BoxPtr pbox, - int nbox, - int dx, - int dy, - Bool reverse, - Bool upsidedown, - Pixel bitplane, - void *closure); - -extern const GCOps exaOps; - -void -ExaCheckComposite (CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height); - -void -ExaCheckGlyphs (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlist, - GlyphListPtr list, - GlyphPtr *glyphs); - -/* exa_offscreen.c */ -void -ExaOffscreenSwapOut (ScreenPtr pScreen); - -void -ExaOffscreenSwapIn (ScreenPtr pScreen); - -ExaOffscreenArea* -ExaOffscreenDefragment (ScreenPtr pScreen); - -Bool -exaOffscreenInit(ScreenPtr pScreen); - -void -ExaOffscreenFini (ScreenPtr pScreen); - -/* exa.c */ -Bool -ExaDoPrepareAccess(PixmapPtr pPixmap, int index); - -void -exaPrepareAccess(DrawablePtr pDrawable, int index); - -void -exaFinishAccess(DrawablePtr pDrawable, int index); - -void -exaDestroyPixmap(PixmapPtr pPixmap); - -void -exaPixmapDirty(PixmapPtr pPix, int x1, int y1, int x2, int y2); - -void -exaGetDrawableDeltas (DrawablePtr pDrawable, PixmapPtr pPixmap, - int *xp, int *yp); - -Bool -exaPixmapHasGpuCopy(PixmapPtr p); - -PixmapPtr -exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp); - -PixmapPtr -exaGetDrawablePixmap(DrawablePtr pDrawable); - -void -exaSetFbPitch(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap, - int w, int h, int bpp); - -void -exaSetAccelBlock(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap, - int w, int h, int bpp); - -void -exaDoMigration (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); - -Bool -exaPixmapIsPinned (PixmapPtr pPix); - -extern const GCFuncs exaGCFuncs; - -/* exa_classic.c */ -PixmapPtr -exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth, - unsigned class); - -Bool -exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData); - -Bool -exaDestroyPixmap_classic (PixmapPtr pPixmap); - -Bool -exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap); - -/* exa_driver.c */ -PixmapPtr -exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int depth, - unsigned class); - -Bool -exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData); - -Bool -exaDestroyPixmap_driver (PixmapPtr pPixmap); - -Bool -exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap); - -/* exa_mixed.c */ -PixmapPtr -exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth, - unsigned class); - -Bool -exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, - int bitsPerPixel, int devKind, pointer pPixData); - -Bool -exaDestroyPixmap_mixed(PixmapPtr pPixmap); - -Bool -exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap); - -/* exa_migration_mixed.c */ -void -exaCreateDriverPixmap_mixed(PixmapPtr pPixmap); - -void -exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); - -void -exaMoveInPixmap_mixed(PixmapPtr pPixmap); - -void -exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure); - -void -exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg); - -/* exa_render.c */ -Bool -exaOpReadsDestination (CARD8 op); - -void -exaComposite(CARD8 op, - PicturePtr pSrc, - PicturePtr pMask, - PicturePtr pDst, - INT16 xSrc, - INT16 ySrc, - INT16 xMask, - INT16 yMask, - INT16 xDst, - INT16 yDst, - CARD16 width, - CARD16 height); - -void -exaCompositeRects(CARD8 op, - PicturePtr Src, - PicturePtr pMask, - PicturePtr pDst, - int nrect, - ExaCompositeRectPtr rects); - -void -exaTrapezoids (CARD8 op, PicturePtr pSrc, PicturePtr pDst, - PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, - int ntrap, xTrapezoid *traps); - -void -exaTriangles (CARD8 op, PicturePtr pSrc, PicturePtr pDst, - PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, - int ntri, xTriangle *tris); - -/* exa_glyph.c */ -void -exaGlyphsInit(ScreenPtr pScreen); - -void -exaGlyphsFini (ScreenPtr pScreen); - -void -exaGlyphs (CARD8 op, - PicturePtr pSrc, - PicturePtr pDst, - PictFormatPtr maskFormat, - INT16 xSrc, - INT16 ySrc, - int nlist, - GlyphListPtr list, - GlyphPtr *glyphs); - -/* exa_migration_classic.c */ -void -exaCopyDirtyToSys (ExaMigrationPtr migrate); - -void -exaCopyDirtyToFb (ExaMigrationPtr migrate); - -void -exaDoMigration_classic (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel); - -void -exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area); - -void -exaMoveOutPixmap_classic (PixmapPtr pPixmap); - -void -exaMoveInPixmap_classic (PixmapPtr pPixmap); - -void -exaPrepareAccessReg_classic(PixmapPtr pPixmap, int index, RegionPtr pReg); - -#endif /* EXAPRIV_H */ +/*
+ *
+ * Copyright (C) 2000 Keith Packard, member of The XFree86 Project, Inc.
+ * 2005 Zack Rusin, Trolltech
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef EXAPRIV_H
+#define EXAPRIV_H
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "exa.h"
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#ifdef MITSHM
+#include "shmint.h"
+#endif
+#include "scrnintstr.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "servermd.h"
+#include "mibstore.h"
+#include "colormapst.h"
+#include "gcstruct.h"
+#include "input.h"
+#include "mipointer.h"
+#include "mi.h"
+#include "dix.h"
+#include "fb.h"
+#include "fboverlay.h"
+#include "fbpict.h"
+#include "glyphstr.h"
+#include "damage.h"
+
+#define DEBUG_TRACE_FALL 0
+#define DEBUG_MIGRATE 0
+#define DEBUG_PIXMAP 0
+#define DEBUG_OFFSCREEN 0
+#define DEBUG_GLYPH_CACHE 0
+
+#if DEBUG_TRACE_FALL
+#define EXA_FALLBACK(x) \
+do { \
+ ErrorF("EXA fallback at %s: ", __FUNCTION__); \
+ ErrorF x; \
+} while (0)
+
+char
+exaDrawableLocation(DrawablePtr pDrawable);
+#else
+#define EXA_FALLBACK(x)
+#endif
+
+#if DEBUG_PIXMAP
+#define DBG_PIXMAP(a) ErrorF a
+#else
+#define DBG_PIXMAP(a)
+#endif
+
+#ifndef EXA_MAX_FB
+#define EXA_MAX_FB FB_OVERLAY_MAX
+#endif
+
+#ifdef DEBUG
+#define EXA_FatalErrorDebug(x) FatalError x
+#define EXA_FatalErrorDebugWithRet(x, ret) FatalError x
+#else
+#define EXA_FatalErrorDebug(x) ErrorF x
+#define EXA_FatalErrorDebugWithRet(x, ret) \
+do { \
+ ErrorF x; \
+ return ret; \
+} while (0)
+#endif
+
+/**
+ * This is the list of migration heuristics supported by EXA. See
+ * exaDoMigration() for what their implementations do.
+ */
+enum ExaMigrationHeuristic {
+ ExaMigrationGreedy,
+ ExaMigrationAlways,
+ ExaMigrationSmart
+};
+
+typedef struct {
+ unsigned char sha1[20];
+} ExaCachedGlyphRec, *ExaCachedGlyphPtr;
+
+typedef struct {
+ /* The identity of the cache, statically configured at initialization */
+ unsigned int format;
+ int glyphWidth;
+ int glyphHeight;
+
+ int size; /* Size of cache; eventually this should be dynamically determined */
+
+ /* Hash table mapping from glyph sha1 to position in the glyph; we use
+ * open addressing with a hash table size determined based on size and large
+ * enough so that we always have a good amount of free space, so we can
+ * use linear probing. (Linear probing is preferrable to double hashing
+ * here because it allows us to easily remove entries.)
+ */
+ int *hashEntries;
+ int hashSize;
+
+ ExaCachedGlyphPtr glyphs;
+ int glyphCount; /* Current number of glyphs */
+
+ PicturePtr picture; /* Where the glyphs of the cache are stored */
+ int yOffset; /* y location within the picture where the cache starts */
+ int columns; /* Number of columns the glyphs are layed out in */
+ int evictionPosition; /* Next random position to evict a glyph */
+} ExaGlyphCacheRec, *ExaGlyphCachePtr;
+
+#define EXA_NUM_GLYPH_CACHES 4
+
+#define EXA_FALLBACK_COPYWINDOW (1 << 0)
+#define EXA_ACCEL_COPYWINDOW (1 << 1)
+
+typedef struct _ExaMigrationRec {
+ Bool as_dst;
+ Bool as_src;
+ PixmapPtr pPix;
+ RegionPtr pReg;
+} ExaMigrationRec, *ExaMigrationPtr;
+
+typedef void (*EnableDisableFBAccessProcPtr)(int, Bool);
+typedef struct {
+ ExaDriverPtr info;
+ ScreenBlockHandlerProcPtr SavedBlockHandler;
+ ScreenWakeupHandlerProcPtr SavedWakeupHandler;
+ CreateGCProcPtr SavedCreateGC;
+ CloseScreenProcPtr SavedCloseScreen;
+ GetImageProcPtr SavedGetImage;
+ GetSpansProcPtr SavedGetSpans;
+ CreatePixmapProcPtr SavedCreatePixmap;
+ DestroyPixmapProcPtr SavedDestroyPixmap;
+ CopyWindowProcPtr SavedCopyWindow;
+ ChangeWindowAttributesProcPtr SavedChangeWindowAttributes;
+ BitmapToRegionProcPtr SavedBitmapToRegion;
+ CreateScreenResourcesProcPtr SavedCreateScreenResources;
+ ModifyPixmapHeaderProcPtr SavedModifyPixmapHeader;
+ SourceValidateProcPtr SavedSourceValidate;
+ CompositeProcPtr SavedComposite;
+ TrianglesProcPtr SavedTriangles;
+ GlyphsProcPtr SavedGlyphs;
+ TrapezoidsProcPtr SavedTrapezoids;
+ AddTrapsProcPtr SavedAddTraps;
+ void (*do_migration) (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel);
+ Bool (*pixmap_has_gpu_copy) (PixmapPtr pPixmap);
+ void (*do_move_in_pixmap) (PixmapPtr pPixmap);
+ void (*do_move_out_pixmap) (PixmapPtr pPixmap);
+ void (*prepare_access_reg)(PixmapPtr pPixmap, int index, RegionPtr pReg);
+
+ Bool swappedOut;
+ enum ExaMigrationHeuristic migration;
+ Bool checkDirtyCorrectness;
+ unsigned disableFbCount;
+ Bool optimize_migration;
+ unsigned offScreenCounter;
+ unsigned numOffscreenAvailable;
+ CARD32 lastDefragment;
+ CARD32 nextDefragment;
+ PixmapPtr deferred_mixed_pixmap;
+
+ /* Reference counting for accessed pixmaps */
+ struct {
+ PixmapPtr pixmap;
+ int count;
+ Bool retval;
+ } access[EXA_NUM_PREPARE_INDICES];
+
+ /* Holds information on fallbacks that cannot be relayed otherwise. */
+ unsigned int fallback_flags;
+ unsigned int fallback_counter;
+
+ ExaGlyphCacheRec glyphCaches[EXA_NUM_GLYPH_CACHES];
+
+ /**
+ * Regions affected by fallback composite source / mask operations.
+ */
+
+ RegionRec srcReg;
+ RegionRec maskReg;
+ PixmapPtr srcPix;
+
+} ExaScreenPrivRec, *ExaScreenPrivPtr;
+
+/*
+ * This is the only completely portable way to
+ * compute this info.
+ */
+#ifndef BitsPerPixel
+#define BitsPerPixel(d) (\
+ PixmapWidthPaddingInfo[d].notPower2 ? \
+ (PixmapWidthPaddingInfo[d].bytesPerPixel * 8) : \
+ ((1 << PixmapWidthPaddingInfo[d].padBytesLog2) * 8 / \
+ (PixmapWidthPaddingInfo[d].padRoundUp+1)))
+#endif
+
+extern DevPrivateKeyRec exaScreenPrivateKeyRec;
+#define exaScreenPrivateKey (&exaScreenPrivateKeyRec)
+extern DevPrivateKeyRec exaPixmapPrivateKeyRec;
+#define exaPixmapPrivateKey (&exaPixmapPrivateKeyRec)
+extern DevPrivateKeyRec exaGCPrivateKeyRec;
+#define exaGCPrivateKey (&exaGCPrivateKeyRec)
+
+#define ExaGetScreenPriv(s) ((ExaScreenPrivPtr)dixLookupPrivate(&(s)->devPrivates, exaScreenPrivateKey))
+#define ExaScreenPriv(s) ExaScreenPrivPtr pExaScr = ExaGetScreenPriv(s)
+
+#define ExaGetGCPriv(gc) ((ExaGCPrivPtr)dixLookupPrivate(&(gc)->devPrivates, exaGCPrivateKey))
+#define ExaGCPriv(gc) ExaGCPrivPtr pExaGC = ExaGetGCPriv(gc)
+
+/*
+ * Some macros to deal with function wrapping.
+ */
+#define wrap(priv, real, mem, func) {\
+ priv->Saved##mem = real->mem; \
+ real->mem = func; \
+}
+
+#define unwrap(priv, real, mem) {\
+ real->mem = priv->Saved##mem; \
+}
+
+#define swap(priv, real, mem) {\
+ void *tmp = priv->Saved##mem; \
+ priv->Saved##mem = real->mem; \
+ real->mem = tmp; \
+}
+
+#define EXA_PRE_FALLBACK(_screen_) \
+ ExaScreenPriv(_screen_); \
+ pExaScr->fallback_counter++;
+
+#define EXA_POST_FALLBACK(_screen_) \
+ pExaScr->fallback_counter--;
+
+#define EXA_PRE_FALLBACK_GC(_gc_) \
+ ExaScreenPriv(_gc_->pScreen); \
+ ExaGCPriv(_gc_); \
+ pExaScr->fallback_counter++; \
+ swap(pExaGC, _gc_, ops);
+
+#define EXA_POST_FALLBACK_GC(_gc_) \
+ pExaScr->fallback_counter--; \
+ swap(pExaGC, _gc_, ops);
+
+/** Align an offset to an arbitrary alignment */
+#define EXA_ALIGN(offset, align) (((offset) + (align) - 1) - \
+ (((offset) + (align) - 1) % (align)))
+/** Align an offset to a power-of-two alignment */
+#define EXA_ALIGN2(offset, align) (((offset) + (align) - 1) & ~((align) - 1))
+
+#define EXA_PIXMAP_SCORE_MOVE_IN 10
+#define EXA_PIXMAP_SCORE_MAX 20
+#define EXA_PIXMAP_SCORE_MOVE_OUT -10
+#define EXA_PIXMAP_SCORE_MIN -20
+#define EXA_PIXMAP_SCORE_PINNED 1000
+#define EXA_PIXMAP_SCORE_INIT 1001
+
+#define ExaGetPixmapPriv(p) ((ExaPixmapPrivPtr)dixLookupPrivate(&(p)->devPrivates, exaPixmapPrivateKey))
+#define ExaSetPixmapPriv(p,a) dixSetPrivate(&(p)->devPrivates, exaPixmapPrivateKey, a)
+#define ExaPixmapPriv(p) ExaPixmapPrivPtr pExaPixmap = ExaGetPixmapPriv(p)
+
+#define EXA_RANGE_PITCH (1 << 0)
+#define EXA_RANGE_WIDTH (1 << 1)
+#define EXA_RANGE_HEIGHT (1 << 2)
+
+typedef struct {
+ ExaOffscreenArea *area;
+ int score; /**< score for the move-in vs move-out heuristic */
+ Bool use_gpu_copy;
+
+ CARD8 *sys_ptr; /**< pointer to pixmap data in system memory */
+ int sys_pitch; /**< pitch of pixmap in system memory */
+
+ CARD8 *fb_ptr; /**< pointer to pixmap data in framebuffer memory */
+ int fb_pitch; /**< pitch of pixmap in framebuffer memory */
+ unsigned int fb_size; /**< size of pixmap in framebuffer memory */
+
+ /**
+ * Holds information about whether this pixmap can be used for
+ * acceleration (== 0) or not (> 0).
+ *
+ * Contains a OR'ed combination of the following values:
+ * EXA_RANGE_PITCH - set if the pixmap's pitch is out of range
+ * EXA_RANGE_WIDTH - set if the pixmap's width is out of range
+ * EXA_RANGE_HEIGHT - set if the pixmap's height is out of range
+ */
+ unsigned int accel_blocked;
+
+ /**
+ * The damage record contains the areas of the pixmap's current location
+ * (framebuffer or system) that have been damaged compared to the other
+ * location.
+ */
+ DamagePtr pDamage;
+ /**
+ * The valid regions mark the valid bits (at least, as they're derived from
+ * damage, which may be overreported) of a pixmap's system and FB copies.
+ */
+ RegionRec validSys, validFB;
+ /**
+ * Driver private storage per EXA pixmap
+ */
+ void *driverPriv;
+} ExaPixmapPrivRec, *ExaPixmapPrivPtr;
+
+typedef struct {
+ /* GC values from the layer below. */
+ GCOps *Savedops;
+ GCFuncs *Savedfuncs;
+} ExaGCPrivRec, *ExaGCPrivPtr;
+
+typedef struct {
+ PicturePtr pDst;
+ INT16 xSrc;
+ INT16 ySrc;
+ INT16 xMask;
+ INT16 yMask;
+ INT16 xDst;
+ INT16 yDst;
+ INT16 width;
+ INT16 height;
+} ExaCompositeRectRec, *ExaCompositeRectPtr;
+
+/**
+ * exaDDXDriverInit must be implemented by the DDX using EXA, and is the place
+ * to set EXA options or hook in screen functions to handle using EXA as the AA.
+ */
+void exaDDXDriverInit (ScreenPtr pScreen);
+
+/* exa_unaccel.c */
+void
+exaPrepareAccessGC(GCPtr pGC);
+
+void
+exaFinishAccessGC(GCPtr pGC);
+
+void
+ExaCheckFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nspans,
+ DDXPointPtr ppt, int *pwidth, int fSorted);
+
+void
+ExaCheckSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc,
+ DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
+
+void
+ExaCheckPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth,
+ int x, int y, int w, int h, int leftPad, int format,
+ char *bits);
+
+void
+ExaCheckCopyNtoN (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ BoxPtr pbox, int nbox, int dx, int dy, Bool reverse,
+ Bool upsidedown, Pixel bitplane, void *closure);
+
+RegionPtr
+ExaCheckCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty);
+
+RegionPtr
+ExaCheckCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h, int dstx, int dsty,
+ unsigned long bitPlane);
+
+void
+ExaCheckPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit);
+
+void
+ExaCheckPolylines (DrawablePtr pDrawable, GCPtr pGC,
+ int mode, int npt, DDXPointPtr ppt);
+
+void
+ExaCheckPolySegment (DrawablePtr pDrawable, GCPtr pGC,
+ int nsegInit, xSegment *pSegInit);
+
+void
+ExaCheckPolyArc (DrawablePtr pDrawable, GCPtr pGC,
+ int narcs, xArc *pArcs);
+
+void
+ExaCheckPolyFillRect (DrawablePtr pDrawable, GCPtr pGC,
+ int nrect, xRectangle *prect);
+
+void
+ExaCheckImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase);
+
+void
+ExaCheckPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC,
+ int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase);
+
+void
+ExaCheckPushPixels (GCPtr pGC, PixmapPtr pBitmap,
+ DrawablePtr pDrawable,
+ int w, int h, int x, int y);
+
+void
+ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
+
+void
+ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h,
+ unsigned int format, unsigned long planeMask, char *d);
+
+void
+ExaCheckGetSpans (DrawablePtr pDrawable,
+ int wMax,
+ DDXPointPtr ppt,
+ int *pwidth,
+ int nspans,
+ char *pdstStart);
+
+void
+ExaCheckAddTraps (PicturePtr pPicture,
+ INT16 x_off,
+ INT16 y_off,
+ int ntrap,
+ xTrap *traps);
+
+/* exa_accel.c */
+
+static _X_INLINE Bool
+exaGCReadsDestination(DrawablePtr pDrawable, unsigned long planemask,
+ unsigned int fillStyle, unsigned char alu,
+ unsigned int clientClipType)
+{
+ return ((alu != GXcopy && alu != GXclear && alu != GXset &&
+ alu != GXcopyInverted) || fillStyle == FillStippled ||
+ clientClipType != CT_NONE || !EXA_PM_IS_SOLID(pDrawable, planemask));
+}
+
+void
+exaCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc);
+
+Bool
+exaFillRegionTiled (DrawablePtr pDrawable, RegionPtr pRegion, PixmapPtr pTile,
+ DDXPointPtr pPatOrg, CARD32 planemask, CARD32 alu,
+ unsigned int clientClipType);
+
+void
+exaGetImage (DrawablePtr pDrawable, int x, int y, int w, int h,
+ unsigned int format, unsigned long planeMask, char *d);
+
+RegionPtr
+exaCopyArea(DrawablePtr pSrcDrawable, DrawablePtr pDstDrawable, GCPtr pGC,
+ int srcx, int srcy, int width, int height, int dstx, int dsty);
+
+Bool
+exaHWCopyNtoN (DrawablePtr pSrcDrawable,
+ DrawablePtr pDstDrawable,
+ GCPtr pGC,
+ BoxPtr pbox,
+ int nbox,
+ int dx,
+ int dy,
+ Bool reverse,
+ Bool upsidedown);
+
+void
+exaCopyNtoN (DrawablePtr pSrcDrawable,
+ DrawablePtr pDstDrawable,
+ GCPtr pGC,
+ BoxPtr pbox,
+ int nbox,
+ int dx,
+ int dy,
+ Bool reverse,
+ Bool upsidedown,
+ Pixel bitplane,
+ void *closure);
+
+extern const GCOps exaOps;
+
+void
+ExaCheckComposite (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height);
+
+void
+ExaCheckGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs);
+
+/* exa_offscreen.c */
+void
+ExaOffscreenSwapOut (ScreenPtr pScreen);
+
+void
+ExaOffscreenSwapIn (ScreenPtr pScreen);
+
+ExaOffscreenArea*
+ExaOffscreenDefragment (ScreenPtr pScreen);
+
+Bool
+exaOffscreenInit(ScreenPtr pScreen);
+
+void
+ExaOffscreenFini (ScreenPtr pScreen);
+
+/* exa.c */
+Bool
+ExaDoPrepareAccess(PixmapPtr pPixmap, int index);
+
+void
+exaPrepareAccess(DrawablePtr pDrawable, int index);
+
+void
+exaFinishAccess(DrawablePtr pDrawable, int index);
+
+void
+exaDestroyPixmap(PixmapPtr pPixmap);
+
+void
+exaPixmapDirty(PixmapPtr pPix, int x1, int y1, int x2, int y2);
+
+void
+exaGetDrawableDeltas (DrawablePtr pDrawable, PixmapPtr pPixmap,
+ int *xp, int *yp);
+
+Bool
+exaPixmapHasGpuCopy(PixmapPtr p);
+
+PixmapPtr
+exaGetOffscreenPixmap (DrawablePtr pDrawable, int *xp, int *yp);
+
+PixmapPtr
+exaGetDrawablePixmap(DrawablePtr pDrawable);
+
+void
+exaSetFbPitch(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap,
+ int w, int h, int bpp);
+
+void
+exaSetAccelBlock(ExaScreenPrivPtr pExaScr, ExaPixmapPrivPtr pExaPixmap,
+ int w, int h, int bpp);
+
+void
+exaDoMigration (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel);
+
+Bool
+exaPixmapIsPinned (PixmapPtr pPix);
+
+extern const GCFuncs exaGCFuncs;
+
+/* exa_classic.c */
+PixmapPtr
+exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth,
+ unsigned usage_hint);
+
+Bool
+exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData);
+
+Bool
+exaDestroyPixmap_classic (PixmapPtr pPixmap);
+
+Bool
+exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap);
+
+/* exa_driver.c */
+PixmapPtr
+exaCreatePixmap_driver(ScreenPtr pScreen, int w, int h, int depth,
+ unsigned usage_hint);
+
+Bool
+exaModifyPixmapHeader_driver(PixmapPtr pPixmap, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData);
+
+Bool
+exaDestroyPixmap_driver (PixmapPtr pPixmap);
+
+Bool
+exaPixmapHasGpuCopy_driver(PixmapPtr pPixmap);
+
+/* exa_mixed.c */
+PixmapPtr
+exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth,
+ unsigned usage_hint);
+
+Bool
+exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth,
+ int bitsPerPixel, int devKind, pointer pPixData);
+
+Bool
+exaDestroyPixmap_mixed(PixmapPtr pPixmap);
+
+Bool
+exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap);
+
+/* exa_migration_mixed.c */
+void
+exaCreateDriverPixmap_mixed(PixmapPtr pPixmap);
+
+void
+exaDoMigration_mixed(ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel);
+
+void
+exaMoveInPixmap_mixed(PixmapPtr pPixmap);
+
+void
+exaDamageReport_mixed(DamagePtr pDamage, RegionPtr pRegion, void *closure);
+
+void
+exaPrepareAccessReg_mixed(PixmapPtr pPixmap, int index, RegionPtr pReg);
+
+/* exa_render.c */
+Bool
+exaOpReadsDestination (CARD8 op);
+
+void
+exaComposite(CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height);
+
+void
+exaCompositeRects(CARD8 op,
+ PicturePtr Src,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ int nrect,
+ ExaCompositeRectPtr rects);
+
+void
+exaTrapezoids (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int ntrap, xTrapezoid *traps);
+
+void
+exaTriangles (CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int ntri, xTriangle *tris);
+
+/* exa_glyph.c */
+void
+exaGlyphsInit(ScreenPtr pScreen);
+
+void
+exaGlyphsFini (ScreenPtr pScreen);
+
+void
+exaGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs);
+
+/* exa_migration_classic.c */
+void
+exaCopyDirtyToSys (ExaMigrationPtr migrate);
+
+void
+exaCopyDirtyToFb (ExaMigrationPtr migrate);
+
+void
+exaDoMigration_classic (ExaMigrationPtr pixmaps, int npixmaps, Bool can_accel);
+
+void
+exaPixmapSave (ScreenPtr pScreen, ExaOffscreenArea *area);
+
+void
+exaMoveOutPixmap_classic (PixmapPtr pPixmap);
+
+void
+exaMoveInPixmap_classic (PixmapPtr pPixmap);
+
+void
+exaPrepareAccessReg_classic(PixmapPtr pPixmap, int index, RegionPtr pReg);
+
+#endif /* EXAPRIV_H */
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