Mesa (gallium-conditional-rendering): st/mesa: implement conditional rendering
Brian Paul
brianp at kemper.freedesktop.org
Mon Jan 4 18:47:21 UTC 2010
Module: Mesa
Branch: gallium-conditional-rendering
Commit: c9b558351847133dced0c9daaeb84d57d550afc9
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=c9b558351847133dced0c9daaeb84d57d550afc9
Author: Brian Paul <brianp at vmware.com>
Date: Thu Dec 31 14:47:21 2009 -0700
st/mesa: implement conditional rendering
---
src/mesa/SConscript | 1 +
src/mesa/sources.mak | 1 +
src/mesa/state_tracker/st_cb_condrender.c | 95 +++++++++++++++++++++++++++++
src/mesa/state_tracker/st_cb_condrender.h | 35 +++++++++++
src/mesa/state_tracker/st_context.c | 2 +
src/mesa/state_tracker/st_extensions.c | 4 +
6 files changed, 138 insertions(+), 0 deletions(-)
diff --git a/src/mesa/SConscript b/src/mesa/SConscript
index 7035bdc..9c933ad 100644
--- a/src/mesa/SConscript
+++ b/src/mesa/SConscript
@@ -162,6 +162,7 @@ if env['platform'] != 'winddk':
'state_tracker/st_cb_blit.c',
'state_tracker/st_cb_bufferobjects.c',
'state_tracker/st_cb_clear.c',
+ 'state_tracker/st_cb_condrender.c',
'state_tracker/st_cb_flush.c',
'state_tracker/st_cb_drawpixels.c',
'state_tracker/st_cb_fbo.c',
diff --git a/src/mesa/sources.mak b/src/mesa/sources.mak
index ba56df5..bd1fe9b 100644
--- a/src/mesa/sources.mak
+++ b/src/mesa/sources.mak
@@ -191,6 +191,7 @@ STATETRACKER_SOURCES = \
state_tracker/st_cb_blit.c \
state_tracker/st_cb_bufferobjects.c \
state_tracker/st_cb_clear.c \
+ state_tracker/st_cb_condrender.c \
state_tracker/st_cb_flush.c \
state_tracker/st_cb_drawpixels.c \
state_tracker/st_cb_fbo.c \
diff --git a/src/mesa/state_tracker/st_cb_condrender.c b/src/mesa/state_tracker/st_cb_condrender.c
new file mode 100644
index 0000000..780b40c
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_condrender.c
@@ -0,0 +1,95 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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 THE AUTHORS 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.
+ *
+ **************************************************************************/
+
+
+/**
+ * glBegin/EndCondtionalRender functions
+ *
+ * \author Brian Paul
+ */
+
+
+#include "main/imports.h"
+#include "main/context.h"
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "st_context.h"
+#include "st_cb_queryobj.h"
+#include "st_cb_condrender.h"
+
+
+/**
+ * Called via ctx->Driver.BeginConditionalRender()
+ */
+static void
+st_BeginConditionalRender(GLcontext *ctx, struct gl_query_object *q,
+ GLenum mode)
+{
+ struct st_query_object *stq = st_query_object(q);
+ struct pipe_context *pipe = ctx->st->pipe;
+ uint m;
+
+ switch (mode) {
+ case GL_QUERY_WAIT:
+ m = PIPE_RENDER_COND_WAIT;
+ break;
+ case GL_QUERY_NO_WAIT:
+ m = PIPE_RENDER_COND_NO_WAIT;
+ break;
+ case GL_QUERY_BY_REGION_WAIT:
+ m = PIPE_RENDER_COND_BY_REGION_WAIT;
+ break;
+ case GL_QUERY_BY_REGION_NO_WAIT:
+ m = PIPE_RENDER_COND_BY_REGION_NO_WAIT;
+ break;
+ default:
+ assert(0 && "bad mode in st_BeginConditionalRender");
+ }
+
+ pipe->render_condition(pipe, stq->pq, m);
+}
+
+
+/**
+ * Called via ctx->Driver.BeginConditionalRender()
+ */
+static void
+st_EndConditionalRender(GLcontext *ctx, struct gl_query_object *q)
+{
+ struct pipe_context *pipe = ctx->st->pipe;
+ (void) q;
+ pipe->render_condition(pipe, NULL, 0);
+}
+
+
+
+void st_init_cond_render_functions(struct dd_function_table *functions)
+{
+ functions->BeginConditionalRender = st_BeginConditionalRender;
+ functions->EndConditionalRender = st_EndConditionalRender;
+}
diff --git a/src/mesa/state_tracker/st_cb_condrender.h b/src/mesa/state_tracker/st_cb_condrender.h
new file mode 100644
index 0000000..891f1cb
--- /dev/null
+++ b/src/mesa/state_tracker/st_cb_condrender.h
@@ -0,0 +1,35 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * 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 THE AUTHORS 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.
+ *
+ **************************************************************************/
+
+#ifndef ST_CB_CONDRENDER_H
+#define ST_CB_CONDRENDER_H
+
+
+extern void st_init_cond_render_functions(struct dd_function_table *functions);
+
+
+#endif
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index d18a25a..e4f18c8 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -43,6 +43,7 @@
#include "st_cb_blit.h"
#include "st_cb_bufferobjects.h"
#include "st_cb_clear.h"
+#include "st_cb_condrender.h"
#if FEATURE_drawpix
#include "st_cb_drawpixels.h"
#include "st_cb_rasterpos.h"
@@ -337,6 +338,7 @@ void st_init_driver_functions(struct dd_function_table *functions)
#if FEATURE_queryobj
st_init_query_functions(functions);
#endif
+ st_init_cond_render_functions(functions);
st_init_readpixels_functions(functions);
st_init_texture_functions(functions);
st_init_flush_functions(functions);
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index ef3cbc5..35e0874 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -306,4 +306,8 @@ void st_init_extensions(struct st_context *st)
/* we support always support GL_EXT_framebuffer_blit */
ctx->Extensions.ARB_framebuffer_object = GL_TRUE;
}
+
+ if (st->pipe->render_condition) {
+ ctx->Extensions.NV_conditional_render = GL_TRUE;
+ }
}
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