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Diffstat (limited to 'src/gallium/state_trackers/xorg/xorg_dri2.c')
-rw-r--r--src/gallium/state_trackers/xorg/xorg_dri2.c473
1 files changed, 0 insertions, 473 deletions
diff --git a/src/gallium/state_trackers/xorg/xorg_dri2.c b/src/gallium/state_trackers/xorg/xorg_dri2.c
deleted file mode 100644
index fb50ef8ca11..00000000000
--- a/src/gallium/state_trackers/xorg/xorg_dri2.c
+++ /dev/null
@@ -1,473 +0,0 @@
-/*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- *
- * Author: Alan Hourihane <alanh@tungstengraphics.com>
- * Author: Jakob Bornecrantz <wallbraker@gmail.com>
- *
- */
-
-#include "xorg-server.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include "xorg_tracker.h"
-#include "xorg_exa.h"
-
-#include "dri2.h"
-
-#include "pipe/p_state.h"
-#include "util/u_inlines.h"
-
-#include "util/u_format.h"
-
-#include "state_tracker/drm_driver.h"
-
-/* Make all the #if cases in the code esier to read */
-#ifndef DRI2INFOREC_VERSION
-#define DRI2INFOREC_VERSION 1
-#endif
-
-#if DRI2INFOREC_VERSION == 2
-static Bool set_format_in_do_create_buffer;
-#endif
-
-typedef struct {
- PixmapPtr pPixmap;
- struct pipe_resource *tex;
- struct pipe_fence_handle *fence;
-} *BufferPrivatePtr;
-
-static Bool
-dri2_do_create_buffer(DrawablePtr pDraw, DRI2BufferPtr buffer, unsigned int format)
-{
- struct pipe_resource *tex = NULL;
- ScreenPtr pScreen = pDraw->pScreen;
- ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
- modesettingPtr ms = modesettingPTR(pScrn);
- struct exa_pixmap_priv *exa_priv;
- BufferPrivatePtr private = buffer->driverPrivate;
- PixmapPtr pPixmap;
- struct winsys_handle whandle;
-
- if (pDraw->type == DRAWABLE_PIXMAP)
- pPixmap = (PixmapPtr) pDraw;
- else
- pPixmap = (*pScreen->GetWindowPixmap)((WindowPtr) pDraw);
- exa_priv = exaGetPixmapDriverPrivate(pPixmap);
-
-
- switch (buffer->attachment) {
- default:
- if (buffer->attachment != DRI2BufferFakeFrontLeft ||
- pDraw->type != DRAWABLE_PIXMAP) {
- private->pPixmap = (*pScreen->CreatePixmap)(pScreen, pDraw->width,
- pDraw->height,
- pDraw->depth,
- 0);
- }
- break;
- case DRI2BufferFrontLeft:
- break;
- case DRI2BufferStencil:
-#if DRI2INFOREC_VERSION >= 3
- case DRI2BufferDepthStencil:
-#else
- /* Works on old X servers because sanity checking is for the weak */
- case 9:
-#endif
- if (exa_priv->depth_stencil_tex &&
- !util_format_is_depth_or_stencil(exa_priv->depth_stencil_tex->format))
- exa_priv->depth_stencil_tex = NULL;
- /* Fall through */
- case DRI2BufferDepth:
- if (exa_priv->depth_stencil_tex)
- pipe_resource_reference(&tex, exa_priv->depth_stencil_tex);
- else {
- struct pipe_resource template;
- unsigned depthBits = (format != 0) ? format : pDraw->depth;
- memset(&template, 0, sizeof(template));
- template.target = PIPE_TEXTURE_2D;
- if (buffer->attachment == DRI2BufferDepth) {
- switch(depthBits) {
- case 16:
- template.format = PIPE_FORMAT_Z16_UNORM;
- break;
- case 32:
- template.format = PIPE_FORMAT_Z32_UNORM;
- break;
- default:
- template.format = ms->ds_depth_bits_last ?
- PIPE_FORMAT_Z24X8_UNORM : PIPE_FORMAT_X8Z24_UNORM;
- break;
- }
- } else {
- template.format = ms->ds_depth_bits_last ?
- PIPE_FORMAT_Z24_UNORM_S8_UINT : PIPE_FORMAT_S8_UINT_Z24_UNORM;
- }
- template.width0 = pDraw->width;
- template.height0 = pDraw->height;
- template.depth0 = 1;
- template.array_size = 1;
- template.last_level = 0;
- template.bind = PIPE_BIND_DEPTH_STENCIL |
- PIPE_BIND_SHARED;
- tex = ms->screen->resource_create(ms->screen, &template);
- pipe_resource_reference(&exa_priv->depth_stencil_tex, tex);
- }
- break;
- }
-
- if (!private->pPixmap) {
- private->pPixmap = pPixmap;
- pPixmap->refcnt++;
- }
-
- if (!tex) {
- /* First call to make sure we have a pixmap private */
- exaMoveInPixmap(private->pPixmap);
- xorg_exa_set_shared_usage(private->pPixmap);
- pScreen->ModifyPixmapHeader(private->pPixmap, 0, 0, 0, 0, 0, NULL);
- /* Second call to make sure texture has valid contents */
- exaMoveInPixmap(private->pPixmap);
- tex = xorg_exa_get_texture(private->pPixmap);
- }
-
- if (!tex)
- FatalError("NO TEXTURE IN DRI2\n");
-
- memset(&whandle, 0, sizeof(whandle));
- whandle.type = DRM_API_HANDLE_TYPE_SHARED;
-
- ms->screen->resource_get_handle(ms->screen, tex, &whandle);
-
- buffer->name = whandle.handle;
- buffer->pitch = whandle.stride;
- buffer->cpp = 4;
- buffer->driverPrivate = private;
- buffer->flags = 0; /* not tiled */
-#if DRI2INFOREC_VERSION == 2
- /* ABI forwards/backwards compatibility */
- if (set_format_in_do_create_buffer)
- ((DRI2Buffer2Ptr)buffer)->format = 0;
-#elif DRI2INFOREC_VERSION >= 3
- buffer->format = 0;
-#endif
- private->tex = tex;
-
- return TRUE;
-}
-
-static void
-dri2_do_destroy_buffer(DrawablePtr pDraw, DRI2BufferPtr buffer)
-{
- ScreenPtr pScreen = pDraw->pScreen;
- ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
- modesettingPtr ms = modesettingPTR(pScrn);
- BufferPrivatePtr private = buffer->driverPrivate;
- struct exa_pixmap_priv *exa_priv = exaGetPixmapDriverPrivate(private->pPixmap);
-
- pipe_resource_reference(&private->tex, NULL);
- ms->screen->fence_reference(ms->screen, &private->fence, NULL);
- pipe_resource_reference(&exa_priv->depth_stencil_tex, NULL);
- (*pScreen->DestroyPixmap)(private->pPixmap);
-}
-
-#if DRI2INFOREC_VERSION >= 2
-
-static DRI2Buffer2Ptr
-dri2_create_buffer(DrawablePtr pDraw, unsigned int attachment, unsigned int format)
-{
- DRI2Buffer2Ptr buffer;
- BufferPrivatePtr private;
-
- buffer = calloc(1, sizeof *buffer);
- if (!buffer)
- return NULL;
-
- private = calloc(1, sizeof *private);
- if (!private) {
- goto fail;
- }
-
- buffer->attachment = attachment;
- buffer->driverPrivate = private;
-
- /* So far it is safe to downcast a DRI2Buffer2Ptr to DRI2BufferPtr */
- if (dri2_do_create_buffer(pDraw, (DRI2BufferPtr)buffer, format))
- return buffer;
-
- free(private);
-fail:
- free(buffer);
- return NULL;
-}
-
-static void
-dri2_destroy_buffer(DrawablePtr pDraw, DRI2Buffer2Ptr buffer)
-{
- /* So far it is safe to downcast a DRI2Buffer2Ptr to DRI2BufferPtr */
- dri2_do_destroy_buffer(pDraw, (DRI2BufferPtr)buffer);
-
- free(buffer->driverPrivate);
- free(buffer);
-}
-
-#endif /* DRI2INFOREC_VERSION >= 2 */
-
-#if DRI2INFOREC_VERSION <= 2
-
-static DRI2BufferPtr
-dri2_create_buffers(DrawablePtr pDraw, unsigned int *attachments, int count)
-{
- BufferPrivatePtr privates;
- DRI2BufferPtr buffers;
- int i;
-
- buffers = calloc(count, sizeof *buffers);
- if (!buffers)
- goto fail_buffers;
-
- privates = calloc(count, sizeof *privates);
- if (!privates)
- goto fail_privates;
-
- for (i = 0; i < count; i++) {
- buffers[i].attachment = attachments[i];
- buffers[i].driverPrivate = &privates[i];
-
- if (!dri2_do_create_buffer(pDraw, &buffers[i], 0))
- goto fail;
- }
-
- return buffers;
-
-fail:
- free(privates);
-fail_privates:
- free(buffers);
-fail_buffers:
- return NULL;
-}
-
-static void
-dri2_destroy_buffers(DrawablePtr pDraw, DRI2BufferPtr buffers, int count)
-{
- int i;
-
- for (i = 0; i < count; i++) {
- dri2_do_destroy_buffer(pDraw, &buffers[i]);
- }
-
- if (buffers) {
- free(buffers[0].driverPrivate);
- free(buffers);
- }
-}
-
-#endif /* DRI2INFOREC_VERSION <= 2 */
-
-static void
-dri2_copy_region(DrawablePtr pDraw, RegionPtr pRegion,
- DRI2BufferPtr pDestBuffer, DRI2BufferPtr pSrcBuffer)
-{
- ScreenPtr pScreen = pDraw->pScreen;
- ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
- modesettingPtr ms = modesettingPTR(pScrn);
- BufferPrivatePtr dst_priv = pDestBuffer->driverPrivate;
- BufferPrivatePtr src_priv = pSrcBuffer->driverPrivate;
- DrawablePtr src_draw;
- DrawablePtr dst_draw;
- GCPtr gc;
- RegionPtr copy_clip;
- Bool save_accel;
- CustomizerPtr cust = ms->cust;
-
- /*
- * In driCreateBuffers we dewrap windows into the
- * backing pixmaps in order to get to the texture.
- * We need to use the real drawable in CopyArea
- * so that cliprects and offsets are correct.
- */
- src_draw = (pSrcBuffer->attachment == DRI2BufferFrontLeft) ? pDraw :
- &src_priv->pPixmap->drawable;
- dst_draw = (pDestBuffer->attachment == DRI2BufferFrontLeft) ? pDraw :
- &dst_priv->pPixmap->drawable;
-
- /*
- * The clients implements glXWaitX with a copy front to fake and then
- * waiting on the server to signal its completion of it. While
- * glXWaitGL is a client side flush and a copy from fake to front.
- * This is how it is done in the DRI2 protocol, how ever depending
- * which type of drawables the server does things a bit differently
- * then what the protocol says as the fake and front are the same.
- *
- * for pixmaps glXWaitX is a server flush.
- * for pixmaps glXWaitGL is a client flush.
- * for windows glXWaitX is a copy from front to fake then a server flush.
- * for windows glXWaitGL is a client flush then a copy from fake to front.
- *
- * XXX in the windows case this code always flushes but that isn't a
- * must in the glXWaitGL case but we don't know if this is a glXWaitGL
- * or a glFlush/glFinish call.
- */
- if (dst_priv->pPixmap == src_priv->pPixmap) {
- /* pixmap glXWaitX */
- if (pSrcBuffer->attachment == DRI2BufferFrontLeft &&
- pDestBuffer->attachment == DRI2BufferFakeFrontLeft) {
- ms->ctx->flush(ms->ctx, NULL, 0);
- return;
- }
- /* pixmap glXWaitGL */
- if (pDestBuffer->attachment == DRI2BufferFrontLeft &&
- pSrcBuffer->attachment == DRI2BufferFakeFrontLeft) {
- return;
- } else {
- xf86DrvMsg(pScrn->scrnIndex, X_WARNING,
- "copying between the same pixmap\n");
- }
- }
-
- gc = GetScratchGC(pDraw->depth, pScreen);
- copy_clip = REGION_CREATE(pScreen, NULL, 0);
- REGION_COPY(pScreen, copy_clip, pRegion);
- (*gc->funcs->ChangeClip) (gc, CT_REGION, copy_clip, 0);
- ValidateGC(dst_draw, gc);
-
- /* If this is a full buffer swap, throttle on the previous one */
- if (ms->swapThrottling &&
- dst_priv->fence && REGION_NUM_RECTS(pRegion) == 1) {
- BoxPtr extents = REGION_EXTENTS(pScreen, pRegion);
-
- if (extents->x1 == 0 && extents->y1 == 0 &&
- extents->x2 == pDraw->width && extents->y2 == pDraw->height) {
- ms->screen->fence_finish(ms->screen, dst_priv->fence,
- PIPE_TIMEOUT_INFINITE);
- ms->screen->fence_reference(ms->screen, &dst_priv->fence, NULL);
- }
- }
-
- /* Try to make sure the blit will be accelerated */
- save_accel = ms->exa->accel;
- ms->exa->accel = TRUE;
-
- if (pSrcBuffer->attachment != DRI2BufferFrontLeft) {
- /* In case it won't be though, make sure the GPU copy contents of the
- * source pixmap will be used for the software fallback - presumably the
- * client modified them before calling in here.
- */
- exaMoveInPixmap(src_priv->pPixmap);
- DamageRegionAppend(src_draw, pRegion);
- DamageRegionProcessPending(src_draw);
- }
-
- if (cust && cust->winsys_context_throttle)
- cust->winsys_context_throttle(cust, ms->ctx, THROTTLE_SWAP);
-
- (*gc->ops->CopyArea)(src_draw, dst_draw, gc,
- 0, 0, pDraw->width, pDraw->height, 0, 0);
- ms->exa->accel = save_accel;
-
- FreeScratchGC(gc);
-
- ms->ctx->flush(ms->ctx,
- (pDestBuffer->attachment == DRI2BufferFrontLeft
- && ms->swapThrottling) ?
- &dst_priv->fence : NULL, 0);
-
- if (cust && cust->winsys_context_throttle)
- cust->winsys_context_throttle(cust, ms->ctx, THROTTLE_RENDER);
-
-}
-
-Bool
-xorg_dri2_init(ScreenPtr pScreen)
-{
- ScrnInfoPtr pScrn = xf86ScreenToScrn(pScreen);
- modesettingPtr ms = modesettingPTR(pScrn);
- DRI2InfoRec dri2info;
-#if DRI2INFOREC_VERSION >= 2
- int major, minor;
-
- if (xf86LoaderCheckSymbol("DRI2Version")) {
- DRI2Version(&major, &minor);
- } else {
- /* Assume version 1.0 */
- major = 1;
- minor = 0;
- }
-#endif
-
- dri2info.version = min(DRI2INFOREC_VERSION, 3);
- dri2info.fd = ms->fd;
-
- dri2info.driverName = pScrn->driverName;
- dri2info.deviceName = "/dev/dri/card0"; /* FIXME */
-
-#if DRI2INFOREC_VERSION >= 2
- dri2info.CreateBuffer = dri2_create_buffer;
- dri2info.DestroyBuffer = dri2_destroy_buffer;
-#endif
-
- /* For X servers in the 1.6.x series there where two DRI2 version.
- * This allows us to build one binary that works on both servers.
- */
-#if DRI2INFOREC_VERSION == 2
- if (minor == 0) {
- set_format_in_do_create_buffer = FALSE;
- dri2info.CreateBuffers = dri2_create_buffers;
- dri2info.DestroyBuffers = dri2_destroy_buffers;
- } else
- set_format_in_do_create_buffer = FALSE;
-#endif
-
- /* For version 1 set these unconditionaly. */
-#if DRI2INFOREC_VERSION == 1
- dri2info.CreateBuffers = dri2_create_buffers;
- dri2info.DestroyBuffers = dri2_destroy_buffers;
-#endif
- dri2info.CopyRegion = dri2_copy_region;
- dri2info.Wait = NULL;
-
- ms->d_depth_bits_last =
- ms->screen->is_format_supported(ms->screen, PIPE_FORMAT_Z24X8_UNORM,
- PIPE_TEXTURE_2D,
- 0,
- PIPE_BIND_DEPTH_STENCIL);
- ms->ds_depth_bits_last =
- ms->screen->is_format_supported(ms->screen, PIPE_FORMAT_Z24_UNORM_S8_UINT,
- PIPE_TEXTURE_2D,
- 0,
- PIPE_BIND_DEPTH_STENCIL);
-
- return DRI2ScreenInit(pScreen, &dri2info);
-}
-
-void
-xorg_dri2_close(ScreenPtr pScreen)
-{
- DRI2CloseScreen(pScreen);
-}
-
-/* vim: set sw=4 ts=8 sts=4: */
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