summaryrefslogtreecommitdiff
path: root/src/gallium/state_trackers/xorg/xvmc/surface.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/state_trackers/xorg/xvmc/surface.c')
-rw-r--r--src/gallium/state_trackers/xorg/xvmc/surface.c664
1 files changed, 664 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xorg/xvmc/surface.c b/src/gallium/state_trackers/xorg/xvmc/surface.c
new file mode 100644
index 00000000000..aef1eff2bb3
--- /dev/null
+++ b/src/gallium/state_trackers/xorg/xvmc/surface.c
@@ -0,0 +1,664 @@
+/**************************************************************************
+ *
+ * Copyright 2009 Younes Manton.
+ * 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.
+ *
+ **************************************************************************/
+
+#include <assert.h>
+#include <stdio.h>
+
+#include <X11/Xlibint.h>
+
+#include <pipe/p_video_decoder.h>
+#include <pipe/p_video_state.h>
+#include <pipe/p_state.h>
+
+#include <util/u_inlines.h>
+#include <util/u_memory.h>
+#include <util/u_math.h>
+
+#include <vl_winsys.h>
+
+#include "xvmc_private.h"
+
+static const unsigned const_empty_block_mask_420[3][2][2] = {
+ { { 0x20, 0x10 }, { 0x08, 0x04 } },
+ { { 0x02, 0x02 }, { 0x02, 0x02 } },
+ { { 0x01, 0x01 }, { 0x01, 0x01 } }
+};
+
+static enum pipe_mpeg12_picture_type PictureToPipe(int xvmc_pic)
+{
+ switch (xvmc_pic) {
+ case XVMC_TOP_FIELD:
+ return PIPE_MPEG12_PICTURE_TYPE_FIELD_TOP;
+ case XVMC_BOTTOM_FIELD:
+ return PIPE_MPEG12_PICTURE_TYPE_FIELD_BOTTOM;
+ case XVMC_FRAME_PICTURE:
+ return PIPE_MPEG12_PICTURE_TYPE_FRAME;
+ default:
+ assert(0);
+ }
+
+ XVMC_MSG(XVMC_ERR, "[XvMC] Unrecognized picture type 0x%08X.\n", xvmc_pic);
+
+ return -1;
+}
+
+static inline void
+MacroBlockTypeToPipeWeights(const XvMCMacroBlock *xvmc_mb, unsigned weights[2])
+{
+ assert(xvmc_mb);
+
+ switch (xvmc_mb->macroblock_type & (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD)) {
+ case XVMC_MB_TYPE_MOTION_FORWARD:
+ weights[0] = PIPE_VIDEO_MV_WEIGHT_MAX;
+ weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN;
+ break;
+
+ case (XVMC_MB_TYPE_MOTION_FORWARD | XVMC_MB_TYPE_MOTION_BACKWARD):
+ weights[0] = PIPE_VIDEO_MV_WEIGHT_HALF;
+ weights[1] = PIPE_VIDEO_MV_WEIGHT_HALF;
+ break;
+
+ case XVMC_MB_TYPE_MOTION_BACKWARD:
+ weights[0] = PIPE_VIDEO_MV_WEIGHT_MIN;
+ weights[1] = PIPE_VIDEO_MV_WEIGHT_MAX;
+ break;
+
+ default:
+ /* workaround for xines xxmc video out plugin */
+ if (!(xvmc_mb->macroblock_type & ~XVMC_MB_TYPE_PATTERN)) {
+ weights[0] = PIPE_VIDEO_MV_WEIGHT_MAX;
+ weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN;
+ } else {
+ weights[0] = PIPE_VIDEO_MV_WEIGHT_MIN;
+ weights[1] = PIPE_VIDEO_MV_WEIGHT_MIN;
+ }
+ break;
+ }
+}
+
+static inline struct pipe_motionvector
+MotionVectorToPipe(const XvMCMacroBlock *xvmc_mb, unsigned vector,
+ unsigned field_select_mask, unsigned weight)
+{
+ struct pipe_motionvector mv;
+
+ assert(xvmc_mb);
+
+ switch (xvmc_mb->motion_type) {
+ case XVMC_PREDICTION_FRAME:
+ mv.top.x = xvmc_mb->PMV[0][vector][0];
+ mv.top.y = xvmc_mb->PMV[0][vector][1];
+ mv.top.field_select = PIPE_VIDEO_FRAME;
+ mv.top.weight = weight;
+
+ mv.bottom.x = xvmc_mb->PMV[0][vector][0];
+ mv.bottom.y = xvmc_mb->PMV[0][vector][1];
+ mv.bottom.weight = weight;
+ mv.bottom.field_select = PIPE_VIDEO_FRAME;
+ break;
+
+ case XVMC_PREDICTION_FIELD:
+ mv.top.x = xvmc_mb->PMV[0][vector][0];
+ mv.top.y = xvmc_mb->PMV[0][vector][1];
+ mv.top.field_select = (xvmc_mb->motion_vertical_field_select & field_select_mask) ?
+ PIPE_VIDEO_BOTTOM_FIELD : PIPE_VIDEO_TOP_FIELD;
+ mv.top.weight = weight;
+
+ mv.bottom.x = xvmc_mb->PMV[1][vector][0];
+ mv.bottom.y = xvmc_mb->PMV[1][vector][1];
+ mv.bottom.field_select = (xvmc_mb->motion_vertical_field_select & (field_select_mask << 2)) ?
+ PIPE_VIDEO_BOTTOM_FIELD : PIPE_VIDEO_TOP_FIELD;
+ mv.bottom.weight = weight;
+ break;
+
+ default: // TODO: Support DUALPRIME and 16x8
+ break;
+ }
+
+ return mv;
+}
+
+static inline void
+UploadYcbcrBlocks(XvMCSurfacePrivate *surface,
+ const XvMCMacroBlock *xvmc_mb,
+ const XvMCBlockArray *xvmc_blocks)
+{
+ enum pipe_mpeg12_dct_intra intra;
+ enum pipe_mpeg12_dct_type coding;
+
+ unsigned tb, x, y, luma_blocks;
+ short *blocks;
+
+ assert(surface);
+ assert(xvmc_mb);
+
+ if (!xvmc_mb->coded_block_pattern)
+ return;
+
+ intra = xvmc_mb->macroblock_type & XVMC_MB_TYPE_INTRA ?
+ PIPE_MPEG12_DCT_INTRA : PIPE_MPEG12_DCT_DELTA;
+
+ coding = xvmc_mb->dct_type == XVMC_DCT_TYPE_FIELD ?
+ PIPE_MPEG12_DCT_TYPE_FIELD : PIPE_MPEG12_DCT_TYPE_FRAME;
+
+ blocks = xvmc_blocks->blocks + xvmc_mb->index * BLOCK_SIZE_SAMPLES;
+
+ for (y = 0, luma_blocks = 0; y < 2; ++y) {
+ for (x = 0; x < 2; ++x, ++tb) {
+ if (xvmc_mb->coded_block_pattern & const_empty_block_mask_420[0][y][x]) {
+
+ struct pipe_ycbcr_block *stream = surface->ycbcr[0].stream;
+ stream->x = xvmc_mb->x * 2 + x;
+ stream->y = xvmc_mb->y * 2 + y;
+ stream->intra = intra;
+ stream->coding = coding;
+
+ surface->ycbcr[0].num_blocks_added++;
+ surface->ycbcr[0].stream++;
+
+ luma_blocks++;
+ }
+ }
+ }
+
+ if (luma_blocks > 0) {
+ memcpy(surface->ycbcr[0].buffer, blocks, BLOCK_SIZE_BYTES * luma_blocks);
+ surface->ycbcr[0].buffer += BLOCK_SIZE_SAMPLES * luma_blocks;
+ blocks += BLOCK_SIZE_SAMPLES * luma_blocks;
+ }
+
+ /* TODO: Implement 422, 444 */
+ //assert(ctx->base.chroma_format == PIPE_VIDEO_CHROMA_FORMAT_420);
+
+ for (tb = 1; tb < 3; ++tb) {
+ if (xvmc_mb->coded_block_pattern & const_empty_block_mask_420[tb][0][0]) {
+
+ struct pipe_ycbcr_block *stream = surface->ycbcr[tb].stream;
+ stream->x = xvmc_mb->x;
+ stream->y = xvmc_mb->y;
+ stream->intra = intra;
+ stream->coding = PIPE_MPEG12_DCT_TYPE_FRAME;
+
+ memcpy(surface->ycbcr[tb].buffer, blocks, BLOCK_SIZE_BYTES);
+
+ surface->ycbcr[tb].num_blocks_added++;
+ surface->ycbcr[tb].stream++;
+ surface->ycbcr[tb].buffer += BLOCK_SIZE_SAMPLES;
+ blocks += BLOCK_SIZE_SAMPLES;
+ }
+ }
+
+}
+
+static void
+MacroBlocksToPipe(XvMCSurfacePrivate *surface,
+ unsigned int xvmc_picture_structure,
+ const XvMCMacroBlock *xvmc_mb,
+ const XvMCBlockArray *xvmc_blocks,
+ unsigned int num_macroblocks)
+{
+ unsigned int i, j;
+
+ assert(xvmc_mb);
+ assert(xvmc_blocks);
+ assert(num_macroblocks);
+
+ for (i = 0; i < num_macroblocks; ++i) {
+ unsigned mv_pos = xvmc_mb->x + surface->mv_stride * xvmc_mb->y;
+ unsigned mv_weights[2];
+
+ if (xvmc_mb->macroblock_type & (XVMC_MB_TYPE_PATTERN | XVMC_MB_TYPE_INTRA))
+ UploadYcbcrBlocks(surface, xvmc_mb, xvmc_blocks);
+
+ MacroBlockTypeToPipeWeights(xvmc_mb, mv_weights);
+
+ for (j = 0; j < 2; ++j) {
+ if (!surface->ref[j].mv) continue;
+
+ surface->ref[j].mv[mv_pos] = MotionVectorToPipe
+ (
+ xvmc_mb, j,
+ j ? XVMC_SELECT_FIRST_BACKWARD : XVMC_SELECT_FIRST_FORWARD,
+ mv_weights[j]
+ );
+ }
+
+ ++xvmc_mb;
+ }
+}
+
+static void
+unmap_and_flush_surface(XvMCSurfacePrivate *surface)
+{
+ struct pipe_video_buffer *ref_frames[2];
+ XvMCContextPrivate *context_priv;
+ unsigned i, num_ycbcr_blocks[3];
+
+ assert(surface);
+
+ context_priv = surface->context->privData;
+
+ for ( i = 0; i < 2; ++i ) {
+ if (surface->ref[i].surface) {
+ XvMCSurfacePrivate *ref = surface->ref[i].surface->privData;
+
+ assert(ref);
+
+ unmap_and_flush_surface(ref);
+ surface->ref[i].surface = NULL;
+ ref_frames[i] = ref->video_buffer;
+ } else {
+ ref_frames[i] = NULL;
+ }
+ }
+
+ if (surface->mapped) {
+ surface->decode_buffer->end_frame(surface->decode_buffer);
+ for (i = 0; i < 3; ++i)
+ num_ycbcr_blocks[i] = surface->ycbcr[i].num_blocks_added;
+ context_priv->decoder->flush_buffer(surface->decode_buffer,
+ num_ycbcr_blocks,
+ ref_frames,
+ surface->video_buffer);
+ surface->mapped = 0;
+ }
+}
+
+PUBLIC
+Status XvMCCreateSurface(Display *dpy, XvMCContext *context, XvMCSurface *surface)
+{
+ static const uint8_t dummy_quant[64] = {
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10
+ };
+
+ XvMCContextPrivate *context_priv;
+ struct pipe_context *pipe;
+ XvMCSurfacePrivate *surface_priv;
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Creating surface %p.\n", surface);
+
+ assert(dpy);
+
+ if (!context)
+ return XvMCBadContext;
+ if (!surface)
+ return XvMCBadSurface;
+
+ context_priv = context->privData;
+ pipe = context_priv->vctx->pipe;
+
+ surface_priv = CALLOC(1, sizeof(XvMCSurfacePrivate));
+ if (!surface_priv)
+ return BadAlloc;
+
+ surface_priv->decode_buffer = context_priv->decoder->create_buffer(context_priv->decoder);
+ surface_priv->decode_buffer->set_quant_matrix(surface_priv->decode_buffer, dummy_quant, dummy_quant);
+
+ surface_priv->mv_stride = surface_priv->decode_buffer->get_mv_stream_stride(surface_priv->decode_buffer);
+ surface_priv->video_buffer = pipe->create_video_buffer
+ (
+ pipe, PIPE_FORMAT_NV12, context_priv->decoder->chroma_format,
+ context_priv->decoder->width, context_priv->decoder->height
+ );
+
+ surface_priv->context = context;
+
+ surface->surface_id = XAllocID(dpy);
+ surface->context_id = context->context_id;
+ surface->surface_type_id = context->surface_type_id;
+ surface->width = context->width;
+ surface->height = context->height;
+ surface->privData = surface_priv;
+
+ SyncHandle();
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p created.\n", surface);
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCRenderSurface(Display *dpy, XvMCContext *context, unsigned int picture_structure,
+ XvMCSurface *target_surface, XvMCSurface *past_surface, XvMCSurface *future_surface,
+ unsigned int flags, unsigned int num_macroblocks, unsigned int first_macroblock,
+ XvMCMacroBlockArray *macroblocks, XvMCBlockArray *blocks
+)
+{
+ struct pipe_video_decode_buffer *t_buffer;
+
+ XvMCSurfacePrivate *target_surface_priv;
+ XvMCSurfacePrivate *past_surface_priv;
+ XvMCSurfacePrivate *future_surface_priv;
+ XvMCMacroBlock *xvmc_mb;
+
+ unsigned i;
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Rendering to surface %p, with past %p and future %p\n",
+ target_surface, past_surface, future_surface);
+
+ assert(dpy);
+
+ if (!context || !context->privData)
+ return XvMCBadContext;
+ if (!target_surface || !target_surface->privData)
+ return XvMCBadSurface;
+
+ if (picture_structure != XVMC_TOP_FIELD &&
+ picture_structure != XVMC_BOTTOM_FIELD &&
+ picture_structure != XVMC_FRAME_PICTURE)
+ return BadValue;
+ /* Bkwd pred equivalent to fwd (past && !future) */
+ if (future_surface && !past_surface)
+ return BadMatch;
+
+ assert(context->context_id == target_surface->context_id);
+ assert(!past_surface || context->context_id == past_surface->context_id);
+ assert(!future_surface || context->context_id == future_surface->context_id);
+
+ assert(macroblocks);
+ assert(blocks);
+
+ assert(macroblocks->context_id == context->context_id);
+ assert(blocks->context_id == context->context_id);
+
+ assert(flags == 0 || flags == XVMC_SECOND_FIELD);
+
+ target_surface_priv = target_surface->privData;
+ past_surface_priv = past_surface ? past_surface->privData : NULL;
+ future_surface_priv = future_surface ? future_surface->privData : NULL;
+
+ assert(target_surface_priv->context == context);
+ assert(!past_surface || past_surface_priv->context == context);
+ assert(!future_surface || future_surface_priv->context == context);
+
+ t_buffer = target_surface_priv->decode_buffer;
+
+ // enshure that all reference frames are flushed
+ // not really nessasary, but speeds ups rendering
+ if (past_surface)
+ unmap_and_flush_surface(past_surface->privData);
+
+ if (future_surface)
+ unmap_and_flush_surface(future_surface->privData);
+
+ xvmc_mb = macroblocks->macro_blocks + first_macroblock;
+
+ /* If the surface we're rendering hasn't changed the ref frames shouldn't change. */
+ if (target_surface_priv->mapped && (
+ target_surface_priv->ref[0].surface != past_surface ||
+ target_surface_priv->ref[1].surface != future_surface ||
+ (xvmc_mb->x == 0 && xvmc_mb->y == 0))) {
+
+ // If they change anyway we need to clear our surface
+ unmap_and_flush_surface(target_surface_priv);
+ }
+
+ if (!target_surface_priv->mapped) {
+ t_buffer->begin_frame(t_buffer);
+
+ for (i = 0; i < 3; ++i) {
+ target_surface_priv->ycbcr[i].num_blocks_added = 0;
+ target_surface_priv->ycbcr[i].stream = t_buffer->get_ycbcr_stream(t_buffer, i);
+ target_surface_priv->ycbcr[i].buffer = t_buffer->get_ycbcr_buffer(t_buffer, i);
+ }
+
+ for (i = 0; i < 2; ++i) {
+ target_surface_priv->ref[i].surface = i == 0 ? past_surface : future_surface;
+
+ if (target_surface_priv->ref[i].surface)
+ target_surface_priv->ref[i].mv = t_buffer->get_mv_stream(t_buffer, i);
+ else
+ target_surface_priv->ref[i].mv = NULL;
+ }
+
+ target_surface_priv->mapped = 1;
+ }
+
+ MacroBlocksToPipe(target_surface_priv, picture_structure, xvmc_mb, blocks, num_macroblocks);
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for rendering.\n", target_surface);
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCFlushSurface(Display *dpy, XvMCSurface *surface)
+{
+ assert(dpy);
+
+ if (!surface)
+ return XvMCBadSurface;
+
+ // don't call flush here, because this is usually
+ // called once for every slice instead of every frame
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Flushing surface %p\n", surface);
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCSyncSurface(Display *dpy, XvMCSurface *surface)
+{
+ assert(dpy);
+
+ if (!surface)
+ return XvMCBadSurface;
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Syncing surface %p\n", surface);
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCPutSurface(Display *dpy, XvMCSurface *surface, Drawable drawable,
+ short srcx, short srcy, unsigned short srcw, unsigned short srch,
+ short destx, short desty, unsigned short destw, unsigned short desth,
+ int flags)
+{
+ static int dump_window = -1;
+
+ struct pipe_context *pipe;
+ struct vl_compositor *compositor;
+
+ XvMCSurfacePrivate *surface_priv;
+ XvMCContextPrivate *context_priv;
+ XvMCSubpicturePrivate *subpicture_priv;
+ XvMCContext *context;
+ struct pipe_video_rect src_rect = {srcx, srcy, srcw, srch};
+ struct pipe_video_rect dst_rect = {destx, desty, destw, desth};
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Displaying surface %p.\n", surface);
+
+ assert(dpy);
+
+ if (!surface || !surface->privData)
+ return XvMCBadSurface;
+
+ surface_priv = surface->privData;
+ context = surface_priv->context;
+ context_priv = context->privData;
+
+ assert(flags == XVMC_TOP_FIELD || flags == XVMC_BOTTOM_FIELD || flags == XVMC_FRAME_PICTURE);
+ assert(srcx + srcw - 1 < surface->width);
+ assert(srcy + srch - 1 < surface->height);
+
+ subpicture_priv = surface_priv->subpicture ? surface_priv->subpicture->privData : NULL;
+ pipe = context_priv->vctx->pipe;
+ compositor = &context_priv->compositor;
+
+ if (!context_priv->drawable_surface ||
+ context_priv->dst_rect.x != dst_rect.x || context_priv->dst_rect.y != dst_rect.y ||
+ context_priv->dst_rect.w != dst_rect.w || context_priv->dst_rect.h != dst_rect.h) {
+
+ pipe_surface_reference(&context_priv->drawable_surface, NULL);
+ context_priv->drawable_surface = vl_drawable_surface_get(context_priv->vctx, drawable);
+ context_priv->dst_rect = dst_rect;
+ vl_compositor_reset_dirty_area(compositor);
+ }
+
+ if (!context_priv->drawable_surface)
+ return BadDrawable;
+
+ /*
+ * Some apps (mplayer) hit these asserts because they call
+ * this function after the window has been resized by the WM
+ * but before they've handled the corresponding XEvent and
+ * know about the new dimensions. The output should be clipped
+ * until the app updates destw and desth.
+ */
+ /*
+ assert(destx + destw - 1 < drawable_surface->width);
+ assert(desty + desth - 1 < drawable_surface->height);
+ */
+
+ unmap_and_flush_surface(surface_priv);
+
+ vl_compositor_clear_layers(compositor);
+ vl_compositor_set_buffer_layer(compositor, 0, surface_priv->video_buffer, &src_rect, NULL);
+
+ if (subpicture_priv) {
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p has subpicture %p.\n", surface, surface_priv->subpicture);
+
+ assert(subpicture_priv->surface == surface);
+
+ if (subpicture_priv->palette)
+ vl_compositor_set_palette_layer(compositor, 1, subpicture_priv->sampler, subpicture_priv->palette,
+ &subpicture_priv->src_rect, &subpicture_priv->dst_rect);
+ else
+ vl_compositor_set_rgba_layer(compositor, 1, subpicture_priv->sampler,
+ &subpicture_priv->src_rect, &subpicture_priv->dst_rect);
+
+ surface_priv->subpicture = NULL;
+ subpicture_priv->surface = NULL;
+ }
+
+ // Workaround for r600g, there seems to be a bug in the fence refcounting code
+ pipe->screen->fence_reference(pipe->screen, &surface_priv->fence, NULL);
+
+ vl_compositor_render(compositor, PictureToPipe(flags), context_priv->drawable_surface, &dst_rect, &surface_priv->fence);
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Submitted surface %p for display. Pushing to front buffer.\n", surface);
+
+ pipe->screen->flush_frontbuffer
+ (
+ pipe->screen,
+ context_priv->drawable_surface->texture,
+ 0, 0,
+ vl_contextprivate_get(context_priv->vctx, context_priv->drawable_surface)
+ );
+
+ if(dump_window == -1) {
+ dump_window = debug_get_num_option("XVMC_DUMP", 0);
+ }
+
+ if(dump_window) {
+ static unsigned int framenum = 0;
+ char cmd[256];
+
+ sprintf(cmd, "xwd -id %d -out xvmc_frame_%08d.xwd", (int)drawable, ++framenum);
+ if (system(cmd) != 0)
+ XVMC_MSG(XVMC_ERR, "[XvMC] Dumping surface %p failed.\n", surface);
+ }
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Pushed surface %p to front buffer.\n", surface);
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCGetSurfaceStatus(Display *dpy, XvMCSurface *surface, int *status)
+{
+ struct pipe_context *pipe;
+ XvMCSurfacePrivate *surface_priv;
+ XvMCContextPrivate *context_priv;
+
+ assert(dpy);
+
+ if (!surface)
+ return XvMCBadSurface;
+
+ assert(status);
+
+ surface_priv = surface->privData;
+ context_priv = surface_priv->context->privData;
+ pipe = context_priv->vctx->pipe;
+
+ *status = 0;
+
+ if (surface_priv->fence)
+ if (!pipe->screen->fence_signalled(pipe->screen, surface_priv->fence))
+ *status |= XVMC_RENDERING;
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCDestroySurface(Display *dpy, XvMCSurface *surface)
+{
+ XvMCSurfacePrivate *surface_priv;
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Destroying surface %p.\n", surface);
+
+ assert(dpy);
+
+ if (!surface || !surface->privData)
+ return XvMCBadSurface;
+
+ surface_priv = surface->privData;
+
+ if (surface_priv->mapped)
+ surface_priv->decode_buffer->end_frame(surface_priv->decode_buffer);
+ surface_priv->decode_buffer->destroy(surface_priv->decode_buffer);
+ surface_priv->video_buffer->destroy(surface_priv->video_buffer);
+ FREE(surface_priv);
+ surface->privData = NULL;
+
+ XVMC_MSG(XVMC_TRACE, "[XvMC] Surface %p destroyed.\n", surface);
+
+ return Success;
+}
+
+PUBLIC
+Status XvMCHideSurface(Display *dpy, XvMCSurface *surface)
+{
+ assert(dpy);
+
+ if (!surface || !surface->privData)
+ return XvMCBadSurface;
+
+ /* No op, only for overlaid rendering */
+
+ return Success;
+}