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authormarha <marha@users.sourceforge.net>2009-09-06 18:48:27 +0000
committermarha <marha@users.sourceforge.net>2009-09-06 18:48:27 +0000
commita915739887477b28d924ecc8417ee107d125bd6c (patch)
treec02f315476b61892d1fd89182e18943dce8d6277 /xorg-server/exa/exa.h
parent6f25a23db1df27e992c34f6fd4c82e83c44fc2e2 (diff)
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Switched to xorg-server-1.6.99.900.tar.gz
Diffstat (limited to 'xorg-server/exa/exa.h')
-rw-r--r--xorg-server/exa/exa.h115
1 files changed, 64 insertions, 51 deletions
diff --git a/xorg-server/exa/exa.h b/xorg-server/exa/exa.h
index 4a96cc6f3..4b3947327 100644
--- a/xorg-server/exa/exa.h
+++ b/xorg-server/exa/exa.h
@@ -39,7 +39,7 @@
#include "fb.h"
#define EXA_VERSION_MAJOR 2
-#define EXA_VERSION_MINOR 4
+#define EXA_VERSION_MINOR 5
#define EXA_VERSION_RELEASE 0
typedef struct _ExaOffscreenArea ExaOffscreenArea;
@@ -66,6 +66,9 @@ struct _ExaOffscreenArea {
ExaOffscreenArea *next;
unsigned eviction_cost;
+
+ ExaOffscreenArea *prev; /* Double-linked list for defragmentation */
+ int align; /* required alignment */
};
/**
@@ -499,27 +502,8 @@ typedef struct _ExaDriver {
int src_pitch);
/**
- * UploadToScratch() is used to upload a pixmap to a scratch area for
- * acceleration.
- *
- * @param pSrc source pixmap in host memory
- * @param pDst fake, scratch pixmap to be set up in offscreen memory.
- *
- * The UploadToScratch() call was added to support Xati before Xati had
- * support for hostdata uploads and before exaGlyphs() was written. It
- * behaves incorrectly (uses an invalid pixmap as pDst),
- * and UploadToScreen() should be implemented instead.
- *
- * Drivers implementing UploadToScratch() had to set up space (likely in a
- * statically allocated area) in offscreen memory, copy pSrc to that
- * scratch area, and adust pDst->devKind for the pitch and
- * pDst->devPrivate.ptr for the pointer to that scratch area. The driver
- * was responsible for syncing (as it was implemented using memcpy() in
- * Xati), and only the data from the last UploadToScratch() was guaranteed
- * to be valid at any given time.
- *
- * UploadToScratch() should not be implemented by drivers, and will likely
- * be removed in a future version of EXA.
+ * 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);
@@ -602,14 +586,14 @@ typedef struct _ExaDriver {
* 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, or
- * #EXA_PREPARE_MASK, indicating which pixmap is in question. Since only up
- * to three 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 the same pixmap may
- * have PrepareAccess() called on it more than once, for example when doing
- * a copy within the same pixmap (so it gets PrepareAccess as()
- * #EXA_PREPARE_DEST and then as #EXA_PREPARE_SRC).
+ * 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()
@@ -676,9 +660,10 @@ typedef struct _ExaDriver {
* EXA_PREPARE_AUX* are additional indices for other purposes, e.g.
* separate alpha maps with Composite operations.
*/
- #define EXA_PREPARE_AUX0 3
- #define EXA_PREPARE_AUX1 4
- #define EXA_PREPARE_AUX2 5
+ #define EXA_PREPARE_AUX_DEST 3
+ #define EXA_PREPARE_AUX_SRC 4
+ #define EXA_PREPARE_AUX_MASK 5
+ #define EXA_NUM_PREPARE_INDICES 6
/** @} */
/**
@@ -714,10 +699,21 @@ typedef struct _ExaDriver {
/* 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;
@@ -756,66 +752,83 @@ typedef struct _ExaDriver {
*/
#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 */
-ExaDriverPtr
+extern _X_EXPORT ExaDriverPtr
exaDriverAlloc(void);
-Bool
+extern _X_EXPORT Bool
exaDriverInit(ScreenPtr pScreen,
ExaDriverPtr pScreenInfo);
-void
+extern _X_EXPORT void
exaDriverFini(ScreenPtr pScreen);
-void
+extern _X_EXPORT void
exaMarkSync(ScreenPtr pScreen);
-void
+extern _X_EXPORT void
exaWaitSync(ScreenPtr pScreen);
-unsigned long
+extern _X_EXPORT unsigned long
exaGetPixmapOffset(PixmapPtr pPix);
-unsigned long
+extern _X_EXPORT unsigned long
exaGetPixmapPitch(PixmapPtr pPix);
-unsigned long
+extern _X_EXPORT unsigned long
exaGetPixmapSize(PixmapPtr pPix);
-void *
+extern _X_EXPORT void *
exaGetPixmapDriverPrivate(PixmapPtr p);
/* in exa_offscreen.c */
-ExaOffscreenArea *
+extern _X_EXPORT ExaOffscreenArea *
exaOffscreenAlloc(ScreenPtr pScreen, int size, int align,
Bool locked,
ExaOffscreenSaveProc save,
pointer privData);
-ExaOffscreenArea *
+extern _X_EXPORT ExaOffscreenArea *
exaOffscreenFree(ScreenPtr pScreen, ExaOffscreenArea *area);
-void
+extern _X_EXPORT void
ExaOffscreenMarkUsed (PixmapPtr pPixmap);
-void
+extern _X_EXPORT void
exaEnableDisableFBAccess (int index, Bool enable);
-Bool
+extern _X_EXPORT Bool
exaDrawableIsOffscreen (DrawablePtr pDrawable);
-/* in exa_migration.c */
-void
+/* in exa.c */
+extern _X_EXPORT void
exaMoveInPixmap (PixmapPtr pPixmap);
-void
+extern _X_EXPORT void
exaMoveOutPixmap (PixmapPtr pPixmap);
/* in exa_unaccel.c */
-CARD32
+extern _X_EXPORT CARD32
exaGetPixmapFirstPixel (PixmapPtr pPixmap);