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author | marha <marha@users.sourceforge.net> | 2012-04-20 17:39:30 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-04-20 17:39:30 +0200 |
commit | ae228baa2cfe88bd7c7de40d5038ad2cc1ecffa4 (patch) | |
tree | b18ae337e913f36a95f97530f6a792e9366a393c /mesalib/src/mesa/state_tracker/st_cb_flush.c | |
parent | 4207bc7b2972aed9a45756fae8c48957d323fa21 (diff) | |
parent | 0e3699334faf92f508b6c187a261548b656b0dd3 (diff) | |
download | vcxsrv-ae228baa2cfe88bd7c7de40d5038ad2cc1ecffa4.tar.gz vcxsrv-ae228baa2cfe88bd7c7de40d5038ad2cc1ecffa4.tar.bz2 vcxsrv-ae228baa2cfe88bd7c7de40d5038ad2cc1ecffa4.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
xorg-server/dix/dispatch.c
xorg-server/dix/resource.c
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_flush.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_cb_flush.c | 324 |
1 files changed, 159 insertions, 165 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_flush.c b/mesalib/src/mesa/state_tracker/st_cb_flush.c index c029fad48..4e40a93f5 100644 --- a/mesalib/src/mesa/state_tracker/st_cb_flush.c +++ b/mesalib/src/mesa/state_tracker/st_cb_flush.c @@ -1,165 +1,159 @@ -/**************************************************************************
- *
- * Copyright 2007 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.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Brian Paul
- */
-
-#include "main/glheader.h"
-#include "main/macros.h"
-#include "main/context.h"
-#include "st_context.h"
-#include "st_cb_bitmap.h"
-#include "st_cb_flush.h"
-#include "st_cb_clear.h"
-#include "st_cb_fbo.h"
-#include "st_manager.h"
-#include "pipe/p_context.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_screen.h"
-#include "util/u_gen_mipmap.h"
-#include "util/u_blit.h"
-
-
-/** Check if we have a front color buffer and if it's been drawn to. */
-static INLINE GLboolean
-is_front_buffer_dirty(struct st_context *st)
-{
- struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- struct st_renderbuffer *strb
- = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
- return strb && strb->defined;
-}
-
-
-/**
- * Tell the screen to display the front color buffer on-screen.
- */
-static void
-display_front_buffer(struct st_context *st)
-{
- struct gl_framebuffer *fb = st->ctx->DrawBuffer;
- struct st_renderbuffer *strb
- = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer);
-
- if (strb) {
- /* Hook for copying "fake" frontbuffer if necessary:
- */
- st_manager_flush_frontbuffer(st);
- }
-}
-
-
-void st_flush( struct st_context *st,
- struct pipe_fence_handle **fence )
-{
- FLUSH_CURRENT(st->ctx, 0);
-
- /* Release any vertex buffers that might potentially be accessed in
- * successive frames:
- */
- st_flush_bitmap(st);
- st_flush_clear(st);
- util_blit_flush(st->blit);
- util_gen_mipmap_flush(st->gen_mipmap);
-
- st->pipe->flush( st->pipe, fence );
-}
-
-
-/**
- * Flush, and wait for completion.
- */
-void st_finish( struct st_context *st )
-{
- struct pipe_fence_handle *fence = NULL;
-
- st_flush(st, &fence);
-
- if(fence) {
- st->pipe->screen->fence_finish(st->pipe->screen, fence,
- PIPE_TIMEOUT_INFINITE);
- st->pipe->screen->fence_reference(st->pipe->screen, &fence, NULL);
- }
-}
-
-
-
-/**
- * Called via ctx->Driver.Flush()
- */
-static void st_glFlush(struct gl_context *ctx)
-{
- struct st_context *st = st_context(ctx);
-
- /* Don't call st_finish() here. It is not the state tracker's
- * responsibilty to inject sleeps in the hope of avoiding buffer
- * synchronization issues. Calling finish() here will just hide
- * problems that need to be fixed elsewhere.
- */
- st_flush(st, NULL);
-
- if (is_front_buffer_dirty(st)) {
- display_front_buffer(st);
- }
-}
-
-
-/**
- * Called via ctx->Driver.Finish()
- */
-static void st_glFinish(struct gl_context *ctx)
-{
- struct st_context *st = st_context(ctx);
-
- st_finish(st);
-
- if (is_front_buffer_dirty(st)) {
- display_front_buffer(st);
- }
-}
-
-
-void st_init_flush_functions(struct dd_function_table *functions)
-{
- functions->Flush = st_glFlush;
- functions->Finish = st_glFinish;
-
- /* Windows opengl32.dll calls glFinish prior to every swapbuffers.
- * This is unnecessary and degrades performance. Luckily we have some
- * scope to work around this, as the externally-visible behaviour of
- * Finish() is identical to Flush() in all cases - no differences in
- * rendering or ReadPixels are visible if we opt not to wait here.
- *
- * Only set this up on windows to avoid suprise elsewhere.
- */
-#ifdef PIPE_OS_WINDOWS
- functions->Finish = st_glFlush;
-#endif
-}
+/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + + /* + * Authors: + * Keith Whitwell <keith@tungstengraphics.com> + * Brian Paul + */ + +#include "main/glheader.h" +#include "main/macros.h" +#include "main/context.h" +#include "st_context.h" +#include "st_cb_bitmap.h" +#include "st_cb_flush.h" +#include "st_cb_clear.h" +#include "st_cb_fbo.h" +#include "st_manager.h" +#include "pipe/p_context.h" +#include "pipe/p_defines.h" +#include "pipe/p_screen.h" +#include "util/u_gen_mipmap.h" +#include "util/u_blit.h" + + +/** Check if we have a front color buffer and if it's been drawn to. */ +static INLINE GLboolean +is_front_buffer_dirty(struct st_context *st) +{ + struct gl_framebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb + = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + return strb && strb->defined; +} + + +/** + * Tell the screen to display the front color buffer on-screen. + */ +static void +display_front_buffer(struct st_context *st) +{ + struct gl_framebuffer *fb = st->ctx->DrawBuffer; + struct st_renderbuffer *strb + = st_renderbuffer(fb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer); + + if (strb) { + /* Hook for copying "fake" frontbuffer if necessary: + */ + st_manager_flush_frontbuffer(st); + } +} + + +void st_flush( struct st_context *st, + struct pipe_fence_handle **fence ) +{ + FLUSH_CURRENT(st->ctx, 0); + + st_flush_bitmap(st); + + st->pipe->flush( st->pipe, fence ); +} + + +/** + * Flush, and wait for completion. + */ +void st_finish( struct st_context *st ) +{ + struct pipe_fence_handle *fence = NULL; + + st_flush(st, &fence); + + if(fence) { + st->pipe->screen->fence_finish(st->pipe->screen, fence, + PIPE_TIMEOUT_INFINITE); + st->pipe->screen->fence_reference(st->pipe->screen, &fence, NULL); + } +} + + + +/** + * Called via ctx->Driver.Flush() + */ +static void st_glFlush(struct gl_context *ctx) +{ + struct st_context *st = st_context(ctx); + + /* Don't call st_finish() here. It is not the state tracker's + * responsibilty to inject sleeps in the hope of avoiding buffer + * synchronization issues. Calling finish() here will just hide + * problems that need to be fixed elsewhere. + */ + st_flush(st, NULL); + + if (is_front_buffer_dirty(st)) { + display_front_buffer(st); + } +} + + +/** + * Called via ctx->Driver.Finish() + */ +static void st_glFinish(struct gl_context *ctx) +{ + struct st_context *st = st_context(ctx); + + st_finish(st); + + if (is_front_buffer_dirty(st)) { + display_front_buffer(st); + } +} + + +void st_init_flush_functions(struct dd_function_table *functions) +{ + functions->Flush = st_glFlush; + functions->Finish = st_glFinish; + + /* Windows opengl32.dll calls glFinish prior to every swapbuffers. + * This is unnecessary and degrades performance. Luckily we have some + * scope to work around this, as the externally-visible behaviour of + * Finish() is identical to Flush() in all cases - no differences in + * rendering or ReadPixels are visible if we opt not to wait here. + * + * Only set this up on windows to avoid suprise elsewhere. + */ +#ifdef PIPE_OS_WINDOWS + functions->Finish = st_glFlush; +#endif +} |