diff options
Diffstat (limited to 'xorg-server/glx/glxdri.c')
| -rw-r--r-- | xorg-server/glx/glxdri.c | 1175 |
1 files changed, 0 insertions, 1175 deletions
diff --git a/xorg-server/glx/glxdri.c b/xorg-server/glx/glxdri.c deleted file mode 100644 index b1bbbbc04..000000000 --- a/xorg-server/glx/glxdri.c +++ /dev/null @@ -1,1175 +0,0 @@ -/* - * Copyright © 2006 Red Hat, Inc - * - * 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 Red Hat, - * Inc not be used in advertising or publicity pertaining to - * distribution of the software without specific, written prior - * permission. Red Hat, Inc makes no representations about the - * suitability of this software for any purpose. It is provided "as - * is" without express or implied warranty. - * - * RED HAT, INC DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN - * NO EVENT SHALL RED HAT, INC 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. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stdint.h> -#include <stdio.h> -#include <string.h> -#include <errno.h> -#ifndef _MSC_VER -#include <sys/time.h> -#include <dlfcn.h> - -#include <drm.h> -#endif - -#include <GL/gl.h> -#include <GL/internal/dri_interface.h> -#include <GL/glxtokens.h> - -#include <windowstr.h> -#include <os.h> -#include <damage.h> - -#define _XF86DRI_SERVER_ -#include <drm_sarea.h> -#include <xf86drm.h> -#include <X11/dri/xf86driproto.h> -#include <xf86str.h> -#include <xf86.h> -#include <dri.h> - -#include "servermd.h" - -#define DRI_NEW_INTERFACE_ONLY -#include "glxserver.h" -#include "glxutil.h" -#include "glxdricommon.h" - -#include "glapitable.h" -#include "glapi.h" -#include "glthread.h" -#include "dispatch.h" -#include "extension_string.h" - -typedef struct __GLXDRIscreen __GLXDRIscreen; -typedef struct __GLXDRIcontext __GLXDRIcontext; -typedef struct __GLXDRIdrawable __GLXDRIdrawable; - -struct __GLXDRIscreen { - __GLXscreen base; - __DRIscreen *driScreen; - void *driver; - - xf86EnterVTProc *enterVT; - xf86LeaveVTProc *leaveVT; - - const __DRIcoreExtension *core; - const __DRIlegacyExtension *legacy; - const __DRIcopySubBufferExtension *copySubBuffer; - const __DRIswapControlExtension *swapControl; - const __DRIconfig **driConfigs; - -#ifdef __DRI_TEX_OFFSET - const __DRItexOffsetExtension *texOffset; - DRITexOffsetStartProcPtr texOffsetStart; - DRITexOffsetFinishProcPtr texOffsetFinish; - __GLXDRIdrawable *texOffsetOverride[16]; - GLuint lastTexOffsetOverride; -#endif - - unsigned char glx_enable_bits[__GLX_EXT_BYTES]; -}; - -struct __GLXDRIcontext { - __GLXcontext base; - __DRIcontext *driContext; - XID hwContextID; -}; - -struct __GLXDRIdrawable { - __GLXdrawable base; - __DRIdrawable *driDrawable; - - /* Pulled in from old __GLXpixmap */ -#ifdef __DRI_TEX_OFFSET - GLint texname; - __GLXDRIcontext *ctx; - unsigned long long offset; - DamagePtr pDamage; -#endif -}; - -static void -__glXDRIleaveServer(GLboolean rendering) -{ - int i; - - for (i = 0; rendering && i < screenInfo.numScreens; i++) { - __GLXDRIscreen *const screen = - (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]); - GLuint lastOverride = screen->lastTexOffsetOverride; - - if (lastOverride) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int j; - - for (j = 0; j < lastOverride; j++) { - __GLXDRIdrawable *pGlxPix = texOffsetOverride[j]; - - if (pGlxPix && pGlxPix->texname) { - pGlxPix->offset = - screen->texOffsetStart((PixmapPtr) pGlxPix->base.pDraw); - } - } - } - } - - DRIBlockHandler(NULL, NULL, NULL); - - for (i = 0; rendering && i < screenInfo.numScreens; i++) { - __GLXDRIscreen *const screen = - (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]); - GLuint lastOverride = screen->lastTexOffsetOverride; - - if (lastOverride) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int j; - - for (j = 0; j < lastOverride; j++) { - __GLXDRIdrawable *pGlxPix = texOffsetOverride[j]; - - if (pGlxPix && pGlxPix->texname) { - screen->texOffset->setTexOffset(pGlxPix->ctx->driContext, - pGlxPix->texname, - pGlxPix->offset, - pGlxPix->base.pDraw->depth, - ((PixmapPtr) pGlxPix->base. - pDraw)->devKind); - } - } - } - } -} - -static void -__glXDRIenterServer(GLboolean rendering) -{ - int i; - - for (i = 0; rendering && i < screenInfo.numScreens; i++) { - __GLXDRIscreen *const screen = (__GLXDRIscreen *) - glxGetScreen(screenInfo.screens[i]); - - if (screen->lastTexOffsetOverride) { - CALL_Flush(GET_DISPATCH(), ()); - break; - } - } - - DRIWakeupHandler(NULL, 0, NULL); -} - -static void -__glXDRIdoReleaseTexImage(__GLXDRIscreen * screen, __GLXDRIdrawable * drawable) -{ - GLuint lastOverride = screen->lastTexOffsetOverride; - - if (lastOverride) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int i; - - for (i = 0; i < lastOverride; i++) { - if (texOffsetOverride[i] == drawable) { - if (screen->texOffsetFinish) - screen->texOffsetFinish((PixmapPtr) drawable->base.pDraw); - - texOffsetOverride[i] = NULL; - - if (i + 1 == lastOverride) { - lastOverride = 0; - - while (i--) { - if (texOffsetOverride[i]) { - lastOverride = i + 1; - break; - } - } - - screen->lastTexOffsetOverride = lastOverride; - - break; - } - } - } - } -} - -static void -__glXDRIdrawableDestroy(__GLXdrawable * drawable) -{ - __GLXDRIdrawable *private = (__GLXDRIdrawable *) drawable; - __GLXDRIscreen *screen; - int i; - - for (i = 0; i < screenInfo.numScreens; i++) { - screen = (__GLXDRIscreen *) glxGetScreen(screenInfo.screens[i]); - __glXDRIdoReleaseTexImage(screen, private); - } - - /* If the X window was destroyed, the dri DestroyWindow hook will - * aready have taken care of this, so only call if pDraw isn't NULL. */ - if (drawable->pDraw != NULL) { - screen = (__GLXDRIscreen *) glxGetScreen(drawable->pDraw->pScreen); - (*screen->core->destroyDrawable) (private->driDrawable); - - __glXenterServer(GL_FALSE); - DRIDestroyDrawable(drawable->pDraw->pScreen, - serverClient, drawable->pDraw); - __glXleaveServer(GL_FALSE); - } - - __glXDrawableRelease(drawable); - - free(private); -} - -static GLboolean -__glXDRIdrawableSwapBuffers(ClientPtr client, __GLXdrawable * basePrivate) -{ - __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate; - __GLXDRIscreen *screen = - (__GLXDRIscreen *) glxGetScreen(basePrivate->pDraw->pScreen); - - (*screen->core->swapBuffers) (private->driDrawable); - - return TRUE; -} - -static int -__glXDRIdrawableSwapInterval(__GLXdrawable * baseDrawable, int interval) -{ - __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseDrawable; - __GLXDRIscreen *screen = - (__GLXDRIscreen *) glxGetScreen(baseDrawable->pDraw->pScreen); - - if (screen->swapControl) - screen->swapControl->setSwapInterval(draw->driDrawable, interval); - - return 0; -} - -static void -__glXDRIdrawableCopySubBuffer(__GLXdrawable * basePrivate, - int x, int y, int w, int h) -{ - __GLXDRIdrawable *private = (__GLXDRIdrawable *) basePrivate; - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(basePrivate->pDraw->pScreen); - - if (screen->copySubBuffer) - screen->copySubBuffer->copySubBuffer(private->driDrawable, x, y, w, h); -} - -static void -__glXDRIcontextDestroy(__GLXcontext * baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - Bool retval; - - screen->core->destroyContext(context->driContext); - - __glXenterServer(GL_FALSE); - retval = DRIDestroyContext(baseContext->pGlxScreen->pScreen, - context->hwContextID); - __glXleaveServer(GL_FALSE); - - __glXContextDestroy(&context->base); - free(context); -} - -static int -__glXDRIcontextMakeCurrent(__GLXcontext * baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - __GLXDRIdrawable *draw = (__GLXDRIdrawable *) baseContext->drawPriv; - __GLXDRIdrawable *read = (__GLXDRIdrawable *) baseContext->readPriv; - - return (*screen->core->bindContext) (context->driContext, - draw->driDrawable, read->driDrawable); -} - -static int -__glXDRIcontextLoseCurrent(__GLXcontext * baseContext) -{ - __GLXDRIcontext *context = (__GLXDRIcontext *) baseContext; - __GLXDRIscreen *screen = (__GLXDRIscreen *) context->base.pGlxScreen; - - return (*screen->core->unbindContext) (context->driContext); -} - -static int -__glXDRIcontextCopy(__GLXcontext * baseDst, __GLXcontext * baseSrc, - unsigned long mask) -{ - __GLXDRIcontext *dst = (__GLXDRIcontext *) baseDst; - __GLXDRIcontext *src = (__GLXDRIcontext *) baseSrc; - __GLXDRIscreen *screen = (__GLXDRIscreen *) dst->base.pGlxScreen; - - return (*screen->core->copyContext) (dst->driContext, - src->driContext, mask); -} - -static void -glxFillAlphaChannel(CARD32 *pixels, CARD32 rowstride, int width, int height) -{ - int i; - CARD32 *p, *end; - - rowstride /= 4; - - for (i = 0; i < height; i++) { - p = pixels; - end = p + width; - while (p < end) - *p++ |= 0xFF000000; - pixels += rowstride; - } -} - -static Bool -testTexOffset(__GLXDRIscreen * const screen, PixmapPtr pPixmap) -{ - Bool ret; - - if (!screen->texOffsetStart || !screen->texOffset) - return FALSE; - - __glXenterServer(GL_FALSE); - ret = screen->texOffsetStart(pPixmap) != ~0ULL; - __glXleaveServer(GL_FALSE); - - return ret; -} - -/* - * (sticking this here for lack of a better place) - * Known issues with the GLX_EXT_texture_from_pixmap implementation: - * - In general we ignore the fbconfig, lots of examples follow - * - No fbconfig handling for multiple mipmap levels - * - No fbconfig handling for 1D textures - * - No fbconfig handling for TEXTURE_TARGET - * - No fbconfig exposure of Y inversion state - * - No GenerateMipmapEXT support (due to no FBO support) - * - No support for anything but 16bpp and 32bpp-sparse pixmaps - */ - -static int -__glXDRIbindTexImage(__GLXcontext * baseContext, - int buffer, __GLXdrawable * glxPixmap) -{ - RegionPtr pRegion = NULL; - PixmapPtr pixmap; - int bpp, override = 0, texname; - GLenum format, type; - ScreenPtr pScreen = glxPixmap->pDraw->pScreen; - __GLXDRIdrawable *driDraw = (__GLXDRIdrawable *) glxPixmap; - __GLXDRIscreen *const screen = (__GLXDRIscreen *) glxGetScreen(pScreen); - - CALL_GetIntegerv(GET_DISPATCH(), (glxPixmap->target == GL_TEXTURE_2D ? - GL_TEXTURE_BINDING_2D : - GL_TEXTURE_BINDING_RECTANGLE_NV, - &texname)); - - if (!texname) - return __glXError(GLXBadContextState); - - pixmap = (PixmapPtr) glxPixmap->pDraw; - - if (testTexOffset(screen, pixmap)) { - __GLXDRIdrawable **texOffsetOverride = screen->texOffsetOverride; - int i, firstEmpty = 16; - - for (i = 0; i < 16; i++) { - if (texOffsetOverride[i] == driDraw) - goto alreadyin; - - if (firstEmpty == 16 && !texOffsetOverride[i]) - firstEmpty = i; - } - - if (firstEmpty == 16) { - ErrorF("%s: Failed to register texture offset override\n", - __func__); - goto nooverride; - } - - if (firstEmpty >= screen->lastTexOffsetOverride) - screen->lastTexOffsetOverride = firstEmpty + 1; - - texOffsetOverride[firstEmpty] = driDraw; - - alreadyin: - override = 1; - - driDraw->ctx = (__GLXDRIcontext *) baseContext; - - if (texname == driDraw->texname) - return Success; - - driDraw->texname = texname; - - screen->texOffset->setTexOffset(driDraw->ctx->driContext, texname, 0, - pixmap->drawable.depth, - pixmap->devKind); - } - nooverride: - - if (!driDraw->pDamage) { - if (!override) { - driDraw->pDamage = DamageCreate(NULL, NULL, DamageReportNone, - TRUE, pScreen, NULL); - if (!driDraw->pDamage) - return BadAlloc; - - DamageRegister((DrawablePtr) pixmap, driDraw->pDamage); - } - - pRegion = NULL; - } - else { - pRegion = DamageRegion(driDraw->pDamage); - if (RegionNil(pRegion)) - return Success; - } - - /* XXX 24bpp packed, 8, etc */ - if (pixmap->drawable.depth >= 24) { - bpp = 4; - format = GL_BGRA; - type = -#if X_BYTE_ORDER == X_BIG_ENDIAN - !override ? GL_UNSIGNED_INT_8_8_8_8_REV : -#endif - GL_UNSIGNED_BYTE; - } - else { - bpp = 2; - format = GL_RGB; - type = GL_UNSIGNED_SHORT_5_6_5; - } - - if (pRegion == NULL) { - void *data = NULL; - - if (!override) { - unsigned pitch = PixmapBytePad(pixmap->drawable.width, - pixmap->drawable.depth); - - data = malloc(pitch * pixmap->drawable.height); - - __glXenterServer(GL_FALSE); - pScreen->GetImage(&pixmap->drawable, 0 /*pixmap->drawable.x */ , - 0 /*pixmap->drawable.y */ , - pixmap->drawable.width, - pixmap->drawable.height, ZPixmap, ~0, data); - __glXleaveServer(GL_FALSE); - - if (pixmap->drawable.depth == 24) - glxFillAlphaChannel(data, - pitch, - pixmap->drawable.width, - pixmap->drawable.height); - - CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, - pitch / bpp)); - CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0)); - CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0)); - } - - CALL_TexImage2D(GET_DISPATCH(), - (glxPixmap->target, - 0, - bpp == 4 ? 4 : 3, - pixmap->drawable.width, - pixmap->drawable.height, 0, format, type, data)); - - free(data); - } - else if (!override) { - int i, numRects; - BoxPtr p; - - numRects = RegionNumRects(pRegion); - p = RegionRects(pRegion); - - CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_PIXELS, 0)); - CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_SKIP_ROWS, 0)); - - for (i = 0; i < numRects; i++) { - unsigned pitch = PixmapBytePad(p[i].x2 - p[i].x1, - pixmap->drawable.depth); - void *data = malloc(pitch * (p[i].y2 - p[i].y1)); - - __glXenterServer(GL_FALSE); - pScreen->GetImage(&pixmap->drawable, /*pixmap->drawable.x + */ - p[i].x1, - /*pixmap->drawable.y */ +p[i].y1, - p[i].x2 - p[i].x1, - p[i].y2 - p[i].y1, ZPixmap, ~0, data); - __glXleaveServer(GL_FALSE); - - if (pixmap->drawable.depth == 24) - glxFillAlphaChannel(data, - pitch, - p[i].x2 - p[i].x1, p[i].y2 - p[i].y1); - - CALL_PixelStorei(GET_DISPATCH(), (GL_UNPACK_ROW_LENGTH, - pitch / bpp)); - - CALL_TexSubImage2D(GET_DISPATCH(), - (glxPixmap->target, - 0, - p[i].x1, p[i].y1, - p[i].x2 - p[i].x1, p[i].y2 - p[i].y1, - format, type, data)); - - free(data); - } - } - - if (!override) - DamageEmpty(driDraw->pDamage); - - return Success; -} - -static int -__glXDRIreleaseTexImage(__GLXcontext * baseContext, - int buffer, __GLXdrawable * pixmap) -{ - __GLXDRIscreen *screen = - (__GLXDRIscreen *) glxGetScreen(pixmap->pDraw->pScreen); - __GLXDRIdrawable *drawable = (__GLXDRIdrawable *) pixmap; - - __glXDRIdoReleaseTexImage(screen, drawable); - - return Success; -} - -static __GLXtextureFromPixmap __glXDRItextureFromPixmap = { - __glXDRIbindTexImage, - __glXDRIreleaseTexImage -}; - -static void -__glXDRIscreenDestroy(__GLXscreen * baseScreen) -{ - int i; - - __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen; - - screen->core->destroyScreen(screen->driScreen); - - dlclose(screen->driver); - - __glXScreenDestroy(baseScreen); - - if (screen->driConfigs) { - for (i = 0; screen->driConfigs[i] != NULL; i++) - free((__DRIconfig **) screen->driConfigs[i]); - free(screen->driConfigs); - } - - free(screen); -} - -static __GLXcontext * -__glXDRIscreenCreateContext(__GLXscreen * baseScreen, - __GLXconfig * glxConfig, - __GLXcontext * baseShareContext, - unsigned num_attribs, - const uint32_t *attribs, - int *error) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen; - __GLXDRIcontext *context, *shareContext; - __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig; - VisualPtr visual; - int i; - GLboolean retval; - __DRIcontext *driShare; - drm_context_t hwContext; - ScreenPtr pScreen = baseScreen->pScreen; - - /* DRI1 cannot support createContextAttribs, so these parameters will - * never be used. - */ - (void) num_attribs; - (void) attribs; - (void) error; - - shareContext = (__GLXDRIcontext *) baseShareContext; - if (shareContext) - driShare = shareContext->driContext; - else - driShare = NULL; - - if (baseShareContext && baseShareContext->isDirect) - return NULL; - - context = calloc(1, sizeof *context); - if (context == NULL) - return NULL; - - context->base.destroy = __glXDRIcontextDestroy; - context->base.makeCurrent = __glXDRIcontextMakeCurrent; - context->base.loseCurrent = __glXDRIcontextLoseCurrent; - context->base.copy = __glXDRIcontextCopy; - - context->base.textureFromPixmap = &__glXDRItextureFromPixmap; - /* Find the requested X visual */ - visual = pScreen->visuals; - for (i = 0; i < pScreen->numVisuals; i++, visual++) - if (visual->vid == glxConfig->visualID) - break; - if (i == pScreen->numVisuals) { - free(context); - return NULL; - } - - context->hwContextID = FakeClientID(0); - - __glXenterServer(GL_FALSE); - retval = DRICreateContext(baseScreen->pScreen, visual, - context->hwContextID, &hwContext); - __glXleaveServer(GL_FALSE); - - if (!retval) { - free(context); - return NULL; - } - - context->driContext = screen->legacy->createNewContext(screen->driScreen, config->driConfig, 0, /* render type */ - driShare, - hwContext, context); - - if (context->driContext == NULL) { - __glXenterServer(GL_FALSE); - retval = DRIDestroyContext(baseScreen->pScreen, context->hwContextID); - __glXleaveServer(GL_FALSE); - free(context); - return NULL; - } - - return &context->base; -} - -static __GLXdrawable * -__glXDRIscreenCreateDrawable(ClientPtr client, - __GLXscreen * screen, - DrawablePtr pDraw, - XID drawId, - int type, XID glxDrawId, __GLXconfig * glxConfig) -{ - __GLXDRIscreen *driScreen = (__GLXDRIscreen *) screen; - __GLXDRIconfig *config = (__GLXDRIconfig *) glxConfig; - __GLXDRIdrawable *private; - GLboolean retval; - drm_drawable_t hwDrawable; - - private = calloc(1, sizeof *private); - if (private == NULL) - return NULL; - - if (!__glXDrawableInit(&private->base, screen, - pDraw, type, glxDrawId, glxConfig)) { - free(private); - return NULL; - } - - private->base.destroy = __glXDRIdrawableDestroy; - private->base.swapBuffers = __glXDRIdrawableSwapBuffers; - private->base.copySubBuffer = __glXDRIdrawableCopySubBuffer; - private->base.waitX = NULL; - private->base.waitGL = NULL; - - __glXenterServer(GL_FALSE); - retval = DRICreateDrawable(screen->pScreen, serverClient, - pDraw, &hwDrawable); - __glXleaveServer(GL_FALSE); - - if (!retval) { - free(private); - return NULL; - } - - /* The last argument is 'attrs', which is used with pbuffers which - * we currently don't support. */ - - private->driDrawable = - (driScreen->legacy->createNewDrawable) (driScreen->driScreen, - config->driConfig, - hwDrawable, 0, NULL, private); - - if (private->driDrawable == NULL) { - __glXenterServer(GL_FALSE); - DRIDestroyDrawable(screen->pScreen, serverClient, pDraw); - __glXleaveServer(GL_FALSE); - free(private); - return NULL; - } - - return &private->base; -} - -static GLboolean -getDrawableInfo(__DRIdrawable * driDrawable, - unsigned int *index, unsigned int *stamp, - int *x, int *y, int *width, int *height, - int *numClipRects, drm_clip_rect_t ** ppClipRects, - int *backX, int *backY, - int *numBackClipRects, drm_clip_rect_t ** ppBackClipRects, - void *data) -{ - __GLXDRIdrawable *drawable = data; - ScreenPtr pScreen; - drm_clip_rect_t *pClipRects, *pBackClipRects; - GLboolean retval; - size_t size; - - /* If the X window has been destroyed, give up here. */ - if (drawable->base.pDraw == NULL) - return GL_FALSE; - - pScreen = drawable->base.pDraw->pScreen; - __glXenterServer(GL_FALSE); - retval = DRIGetDrawableInfo(pScreen, drawable->base.pDraw, index, stamp, - x, y, width, height, - numClipRects, &pClipRects, - backX, backY, - numBackClipRects, &pBackClipRects); - __glXleaveServer(GL_FALSE); - - if (retval && *numClipRects > 0) { - size = sizeof(drm_clip_rect_t) * *numClipRects; - *ppClipRects = malloc(size); - - /* Clip cliprects to screen dimensions (redirected windows) */ - if (*ppClipRects != NULL) { - int i, j; - - for (i = 0, j = 0; i < *numClipRects; i++) { - (*ppClipRects)[j].x1 = max(pClipRects[i].x1, 0); - (*ppClipRects)[j].y1 = max(pClipRects[i].y1, 0); - (*ppClipRects)[j].x2 = min(pClipRects[i].x2, pScreen->width); - (*ppClipRects)[j].y2 = min(pClipRects[i].y2, pScreen->height); - - if ((*ppClipRects)[j].x1 < (*ppClipRects)[j].x2 && - (*ppClipRects)[j].y1 < (*ppClipRects)[j].y2) { - j++; - } - } - - if (*numClipRects != j) { - *numClipRects = j; - *ppClipRects = realloc(*ppClipRects, - sizeof(drm_clip_rect_t) * *numClipRects); - } - } - else - *numClipRects = 0; - } - else { - *ppClipRects = NULL; - *numClipRects = 0; - } - - if (retval && *numBackClipRects > 0) { - size = sizeof(drm_clip_rect_t) * *numBackClipRects; - *ppBackClipRects = malloc(size); - if (*ppBackClipRects != NULL) - memcpy(*ppBackClipRects, pBackClipRects, size); - else - *numBackClipRects = 0; - } - else { - *ppBackClipRects = NULL; - *numBackClipRects = 0; - } - - return retval; -} - -static void -__glXReportDamage(__DRIdrawable * driDraw, - int x, int y, - drm_clip_rect_t * rects, int num_rects, - GLboolean front_buffer, void *data) -{ - __GLXDRIdrawable *drawable = data; - DrawablePtr pDraw = drawable->base.pDraw; - RegionRec region; - - __glXenterServer(GL_FALSE); - - if (RegionInitBoxes(®ion, (BoxPtr) rects, num_rects)) { - RegionTranslate(®ion, pDraw->x, pDraw->y); - DamageDamageRegion(pDraw, ®ion); - RegionUninit(®ion); - } - else { - while (num_rects--) { - RegionInit(®ion, (BoxPtr) rects++, 1); - RegionTranslate(®ion, pDraw->x, pDraw->y); - DamageDamageRegion(pDraw, ®ion); - RegionUninit(®ion); - } - } - - __glXleaveServer(GL_FALSE); -} - -static const __DRIgetDrawableInfoExtension getDrawableInfoExtension = { - {__DRI_GET_DRAWABLE_INFO, __DRI_GET_DRAWABLE_INFO_VERSION}, - getDrawableInfo -}; - -static const __DRIdamageExtension damageExtension = { - {__DRI_DAMAGE, __DRI_DAMAGE_VERSION}, - __glXReportDamage, -}; - -static const __DRIextension *loader_extensions[] = { - &systemTimeExtension.base, - &getDrawableInfoExtension.base, - &damageExtension.base, - NULL -}; - -static Bool -glxDRIEnterVT(ScrnInfoPtr scrn) -{ - Bool ret; - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(xf86ScrnToScreen(scrn)); - - LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n"); - - scrn->EnterVT = screen->enterVT; - - ret = scrn->EnterVT(scrn); - - screen->enterVT = scrn->EnterVT; - scrn->EnterVT = glxDRIEnterVT; - - if (!ret) - return FALSE; - - glxResumeClients(); - - return TRUE; -} - -static void -glxDRILeaveVT(ScrnInfoPtr scrn) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(xf86ScrnToScreen(scrn)); - - LogMessageVerbSigSafe(X_INFO, -1, "AIGLX: Suspending AIGLX clients for VT switch\n"); - - glxSuspendClients(); - - scrn->LeaveVT = screen->leaveVT; - (*screen->leaveVT) (scrn); - screen->leaveVT = scrn->LeaveVT; - scrn->LeaveVT = glxDRILeaveVT; -} - -static void -initializeExtensions(__GLXDRIscreen * screen) -{ - const __DRIextension **extensions; - int i; - - extensions = screen->core->getExtensions(screen->driScreen); - - for (i = 0; extensions[i]; i++) { -#ifdef __DRI_READ_DRAWABLE - if (strcmp(extensions[i]->name, __DRI_READ_DRAWABLE) == 0) { - __glXEnableExtension(screen->glx_enable_bits, - "GLX_SGI_make_current_read"); - - LogMessage(X_INFO, "AIGLX: enabled GLX_SGI_make_current_read\n"); - } -#endif - -#ifdef __DRI_COPY_SUB_BUFFER - if (strcmp(extensions[i]->name, __DRI_COPY_SUB_BUFFER) == 0) { - screen->copySubBuffer = - (__DRIcopySubBufferExtension *) extensions[i]; - __glXEnableExtension(screen->glx_enable_bits, - "GLX_MESA_copy_sub_buffer"); - - LogMessage(X_INFO, "AIGLX: enabled GLX_MESA_copy_sub_buffer\n"); - } -#endif - -#ifdef __DRI_SWAP_CONTROL - if (strcmp(extensions[i]->name, __DRI_SWAP_CONTROL) == 0) { - screen->swapControl = (__DRIswapControlExtension *) extensions[i]; - __glXEnableExtension(screen->glx_enable_bits, - "GLX_SGI_swap_control"); - __glXEnableExtension(screen->glx_enable_bits, - "GLX_MESA_swap_control"); - - LogMessage(X_INFO, - "AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control\n"); - } -#endif - -#ifdef __DRI_TEX_OFFSET - if (strcmp(extensions[i]->name, __DRI_TEX_OFFSET) == 0) { - screen->texOffset = (__DRItexOffsetExtension *) extensions[i]; - LogMessage(X_INFO, - "AIGLX: enabled GLX_texture_from_pixmap with driver support\n"); - } -#endif - /* Ignore unknown extensions */ - } -} - -static __GLXscreen * -__glXDRIscreenProbe(ScreenPtr pScreen) -{ - drm_handle_t hSAREA; - drmAddress pSAREA = NULL; - char *BusID; - __DRIversion ddx_version; - __DRIversion dri_version; - __DRIversion drm_version; - __DRIframebuffer framebuffer; - int fd = -1; - int status; - drm_magic_t magic; - drmVersionPtr version; - int newlyopened; - char *driverName; - drm_handle_t hFB; - int junk; - __GLXDRIscreen *screen; - Bool isCapable; - size_t buffer_size; - ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen); - - framebuffer.base = NULL; - - if (!xf86LoaderCheckSymbol("DRIQueryDirectRenderingCapable") || - !DRIQueryDirectRenderingCapable(pScreen, &isCapable) || !isCapable) { - LogMessage(X_INFO, - "AIGLX: Screen %d is not DRI capable\n", pScreen->myNum); - return NULL; - } - - screen = calloc(1, sizeof *screen); - if (screen == NULL) - return NULL; - - screen->base.destroy = __glXDRIscreenDestroy; - screen->base.createContext = __glXDRIscreenCreateContext; - screen->base.createDrawable = __glXDRIscreenCreateDrawable; - screen->base.swapInterval = __glXDRIdrawableSwapInterval; - screen->base.pScreen = pScreen; - - __glXInitExtensionEnableBits(screen->glx_enable_bits); - - /* DRI protocol version. */ - dri_version.major = XF86DRI_MAJOR_VERSION; - dri_version.minor = XF86DRI_MINOR_VERSION; - dri_version.patch = XF86DRI_PATCH_VERSION; - - if (!DRIOpenConnection(pScreen, &hSAREA, &BusID)) { - LogMessage(X_ERROR, "AIGLX error: DRIOpenConnection failed\n"); - goto handle_error; - } - - fd = drmOpenOnce(NULL, BusID, &newlyopened); - - if (fd < 0) { - LogMessage(X_ERROR, "AIGLX error: drmOpenOnce failed (%s)\n", - strerror(-fd)); - goto handle_error; - } - - if (drmGetMagic(fd, &magic)) { - LogMessage(X_ERROR, "AIGLX error: drmGetMagic failed\n"); - goto handle_error; - } - - version = drmGetVersion(fd); - if (version) { - drm_version.major = version->version_major; - drm_version.minor = version->version_minor; - drm_version.patch = version->version_patchlevel; - drmFreeVersion(version); - } - else { - drm_version.major = -1; - drm_version.minor = -1; - drm_version.patch = -1; - } - - if (newlyopened && !DRIAuthConnection(pScreen, magic)) { - LogMessage(X_ERROR, "AIGLX error: DRIAuthConnection failed\n"); - goto handle_error; - } - - /* Get device name (like "tdfx") and the ddx version numbers. - * We'll check the version in each DRI driver's "createNewScreen" - * function. */ - if (!DRIGetClientDriverName(pScreen, - &ddx_version.major, - &ddx_version.minor, - &ddx_version.patch, &driverName)) { - LogMessage(X_ERROR, "AIGLX error: DRIGetClientDriverName failed\n"); - goto handle_error; - } - - screen->driver = glxProbeDriver(driverName, - (void **) &screen->core, - __DRI_CORE, __DRI_CORE_VERSION, - (void **) &screen->legacy, - __DRI_LEGACY, __DRI_LEGACY_VERSION); - if (screen->driver == NULL) { - goto handle_error; - } - - /* - * Get device-specific info. pDevPriv will point to a struct - * (such as DRIRADEONRec in xfree86/driver/ati/radeon_dri.h) that - * has information about the screen size, depth, pitch, ancilliary - * buffers, DRM mmap handles, etc. - */ - if (!DRIGetDeviceInfo(pScreen, &hFB, &junk, - &framebuffer.size, &framebuffer.stride, - &framebuffer.dev_priv_size, &framebuffer.dev_priv)) { - LogMessage(X_ERROR, "AIGLX error: XF86DRIGetDeviceInfo failed\n"); - goto handle_error; - } - - framebuffer.width = pScreen->width; - framebuffer.height = pScreen->height; - - /* Map the framebuffer region. */ - status = drmMap(fd, hFB, framebuffer.size, - (drmAddressPtr) &framebuffer.base); - if (status != 0) { - LogMessage(X_ERROR, "AIGLX error: drmMap of framebuffer failed (%s)\n", - strerror(-status)); - goto handle_error; - } - - /* Map the SAREA region. Further mmap regions may be setup in - * each DRI driver's "createNewScreen" function. - */ - status = drmMap(fd, hSAREA, SAREA_MAX, &pSAREA); - if (status != 0) { - LogMessage(X_ERROR, "AIGLX error: drmMap of SAREA failed (%s)\n", - strerror(-status)); - goto handle_error; - } - - screen->driScreen = - (*screen->legacy->createNewScreen) (pScreen->myNum, - &ddx_version, - &dri_version, - &drm_version, - &framebuffer, - pSAREA, - fd, - loader_extensions, - &screen->driConfigs, screen); - - if (screen->driScreen == NULL) { - LogMessage(X_ERROR, "AIGLX error: Calling driver entry point failed\n"); - goto handle_error; - } - - screen->base.fbconfigs = glxConvertConfigs(screen->core, - screen->driConfigs, - GLX_WINDOW_BIT); - - initializeExtensions(screen); - - DRIGetTexOffsetFuncs(pScreen, &screen->texOffsetStart, - &screen->texOffsetFinish); - - __glXScreenInit(&screen->base, pScreen); - - /* The first call simply determines the length of the extension string. - * This allows us to allocate some memory to hold the extension string, - * but it requires that we call __glXGetExtensionString a second time. - */ - buffer_size = __glXGetExtensionString(screen->glx_enable_bits, NULL); - if (buffer_size > 0) { - free(screen->base.GLXextensions); - - screen->base.GLXextensions = xnfalloc(buffer_size); - (void) __glXGetExtensionString(screen->glx_enable_bits, - screen->base.GLXextensions); - } - - __glXsetEnterLeaveServerFuncs(__glXDRIenterServer, __glXDRIleaveServer); - - screen->enterVT = pScrn->EnterVT; - pScrn->EnterVT = glxDRIEnterVT; - screen->leaveVT = pScrn->LeaveVT; - pScrn->LeaveVT = glxDRILeaveVT; - - LogMessage(X_INFO, "AIGLX: Loaded and initialized %s\n", driverName); - - return &screen->base; - - handle_error: - if (pSAREA != NULL) - drmUnmap(pSAREA, SAREA_MAX); - - if (framebuffer.base != NULL) - drmUnmap((drmAddress) framebuffer.base, framebuffer.size); - - if (fd >= 0) - drmCloseOnce(fd); - - DRICloseConnection(pScreen); - - if (screen->driver) - dlclose(screen->driver); - - free(screen); - - LogMessage(X_ERROR, "AIGLX: reverting to software rendering\n"); - - return NULL; -} - -_X_EXPORT __GLXprovider __glXDRIProvider = { - __glXDRIscreenProbe, - "DRI", - NULL -}; |