From 57a879849643e79d9674198a3a77c59532fb79b4 Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 28 Apr 2011 07:58:00 +0000 Subject: xserver xkeyboard-config mesa git update 28 Apr 2011 --- xorg-server/glx/glxdri.c | 2327 +++++++++++++++++++++++----------------------- 1 file changed, 1168 insertions(+), 1159 deletions(-) (limited to 'xorg-server/glx/glxdri.c') diff --git a/xorg-server/glx/glxdri.c b/xorg-server/glx/glxdri.c index 399683da7..244eac6c2 100644 --- a/xorg-server/glx/glxdri.c +++ b/xorg-server/glx/glxdri.c @@ -1,1159 +1,1168 @@ -/* - * 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 -#endif - -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include -#include -#include - -#define _XF86DRI_SERVER_ -#include -#include -#include -#include -#include -#include - -#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; - -#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) -{ - __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen; - - screen->core->destroyScreen(screen->driScreen); - - dlclose(screen->driver); - - __glXScreenDestroy(baseScreen); - - free(screen); -} - -static __GLXcontext * -__glXDRIscreenCreateContext(__GLXscreen *baseScreen, - __GLXconfig *glxConfig, - __GLXcontext *baseShareContext) -{ - __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; - - 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) - return NULL; - - context->hwContextID = FakeClientID(0); - - __glXenterServer(GL_FALSE); - retval = DRICreateContext(baseScreen->pScreen, visual, - context->hwContextID, &hwContext); - __glXleaveServer(GL_FALSE); - - if (!retval) - 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); - - RegionInit(®ion, (BoxPtr) rects, num_rects); - 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 (int index, int flags) -{ - ScrnInfoPtr scrn = xf86Screens[index]; - Bool ret; - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(screenInfo.screens[index]); - - LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n"); - - scrn->EnterVT = screen->enterVT; - - ret = scrn->EnterVT (index, flags); - - screen->enterVT = scrn->EnterVT; - scrn->EnterVT = glxDRIEnterVT; - - if (!ret) - return FALSE; - - glxResumeClients(); - - return TRUE; -} - -static void -glxDRILeaveVT (int index, int flags) -{ - ScrnInfoPtr scrn = xf86Screens[index]; - __GLXDRIscreen *screen = (__GLXDRIscreen *) - glxGetScreen(screenInfo.screens[index]); - - LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n"); - - glxSuspendClients(); - - scrn->LeaveVT = screen->leaveVT; - (*screen->leaveVT) (index, flags); - 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 = xf86Screens[pScreen->myNum]; - const __DRIconfig **driConfigs; - - 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, - &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, - 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 -}; +/* + * 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 +#endif + +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include +#include + +#define _XF86DRI_SERVER_ +#include +#include +#include +#include +#include +#include + +#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; + +#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) +{ + __GLXDRIscreen *screen = (__GLXDRIscreen *) baseScreen; + + screen->core->destroyScreen(screen->driScreen); + + dlclose(screen->driver); + + __glXScreenDestroy(baseScreen); + + free(screen); +} + +static __GLXcontext * +__glXDRIscreenCreateContext(__GLXscreen *baseScreen, + __GLXconfig *glxConfig, + __GLXcontext *baseShareContext) +{ + __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; + + 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) + return NULL; + + context->hwContextID = FakeClientID(0); + + __glXenterServer(GL_FALSE); + retval = DRICreateContext(baseScreen->pScreen, visual, + context->hwContextID, &hwContext); + __glXleaveServer(GL_FALSE); + + if (!retval) + 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 (int index, int flags) +{ + ScrnInfoPtr scrn = xf86Screens[index]; + Bool ret; + __GLXDRIscreen *screen = (__GLXDRIscreen *) + glxGetScreen(screenInfo.screens[index]); + + LogMessage(X_INFO, "AIGLX: Resuming AIGLX clients after VT switch\n"); + + scrn->EnterVT = screen->enterVT; + + ret = scrn->EnterVT (index, flags); + + screen->enterVT = scrn->EnterVT; + scrn->EnterVT = glxDRIEnterVT; + + if (!ret) + return FALSE; + + glxResumeClients(); + + return TRUE; +} + +static void +glxDRILeaveVT (int index, int flags) +{ + ScrnInfoPtr scrn = xf86Screens[index]; + __GLXDRIscreen *screen = (__GLXDRIscreen *) + glxGetScreen(screenInfo.screens[index]); + + LogMessage(X_INFO, "AIGLX: Suspending AIGLX clients for VT switch\n"); + + glxSuspendClients(); + + scrn->LeaveVT = screen->leaveVT; + (*screen->leaveVT) (index, flags); + 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 = xf86Screens[pScreen->myNum]; + const __DRIconfig **driConfigs; + + 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, + &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, + 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 +}; -- cgit v1.2.3