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authormarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
committermarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
commit807c6931fe683fd844ceec1b023232181e6aae03 (patch)
tree1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/src/mesa/main/condrender.c
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
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xserver and mesa git update 28-12-2010
Diffstat (limited to 'mesalib/src/mesa/main/condrender.c')
-rw-r--r--mesalib/src/mesa/main/condrender.c294
1 files changed, 147 insertions, 147 deletions
diff --git a/mesalib/src/mesa/main/condrender.c b/mesalib/src/mesa/main/condrender.c
index 8d9a91d54..250397854 100644
--- a/mesalib/src/mesa/main/condrender.c
+++ b/mesalib/src/mesa/main/condrender.c
@@ -1,147 +1,147 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.8
- *
- * Copyright (C) 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, sublicense,
- * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS 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.
- */
-
-/**
- * \file condrender.c
- * Conditional rendering functions
- *
- * \author Brian Paul
- */
-
-#include "glheader.h"
-#include "condrender.h"
-#include "enums.h"
-#include "queryobj.h"
-
-
-void GLAPIENTRY
-_mesa_BeginConditionalRender(GLuint queryId, GLenum mode)
-{
- struct gl_query_object *q;
- GET_CURRENT_CONTEXT(ctx);
-
- if (!ctx->Extensions.NV_conditional_render || ctx->Query.CondRenderQuery) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginConditionalRender()");
- return;
- }
-
- ASSERT(ctx->Query.CondRenderMode == GL_NONE);
-
- switch (mode) {
- case GL_QUERY_WAIT:
- case GL_QUERY_NO_WAIT:
- case GL_QUERY_BY_REGION_WAIT:
- case GL_QUERY_BY_REGION_NO_WAIT:
- /* OK */
- break;
- default:
- _mesa_error(ctx, GL_INVALID_ENUM, "glBeginConditionalRender(mode=%s)",
- _mesa_lookup_enum_by_nr(mode));
- return;
- }
-
- q = _mesa_lookup_query_object(ctx, queryId);
- if (!q) {
- _mesa_error(ctx, GL_INVALID_VALUE,
- "glBeginConditionalRender(bad queryId=%u)", queryId);
- return;
- }
- ASSERT(q->Id == queryId);
-
- if (q->Target != GL_SAMPLES_PASSED) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginConditionalRender()");
- return;
- }
-
- ctx->Query.CondRenderQuery = q;
- ctx->Query.CondRenderMode = mode;
-
- if (ctx->Driver.BeginConditionalRender)
- ctx->Driver.BeginConditionalRender(ctx, q, mode);
-}
-
-
-void APIENTRY
-_mesa_EndConditionalRender(void)
-{
- GET_CURRENT_CONTEXT(ctx);
-
- FLUSH_VERTICES(ctx, 0x0);
-
- if (!ctx->Extensions.NV_conditional_render || !ctx->Query.CondRenderQuery) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glEndConditionalRender()");
- return;
- }
-
- if (ctx->Driver.EndConditionalRender)
- ctx->Driver.EndConditionalRender(ctx, ctx->Query.CondRenderQuery);
-
- ctx->Query.CondRenderQuery = NULL;
- ctx->Query.CondRenderMode = GL_NONE;
-}
-
-
-/**
- * This function is called by software rendering commands (all point,
- * line triangle drawing, glClear, glDrawPixels, glCopyPixels, and
- * glBitmap, glBlitFramebuffer) to determine if subsequent drawing
- * commands should be
- * executed or discarded depending on the current conditional
- * rendering state. Ideally, this check would be implemented by the
- * GPU when doing hardware rendering. XXX should this function be
- * called via a new driver hook?
- *
- * \return GL_TRUE if we should render, GL_FALSE if we should discard
- */
-GLboolean
-_mesa_check_conditional_render(GLcontext *ctx)
-{
- struct gl_query_object *q = ctx->Query.CondRenderQuery;
-
- if (!q) {
- /* no query in progress - draw normally */
- return GL_TRUE;
- }
-
- switch (ctx->Query.CondRenderMode) {
- case GL_QUERY_BY_REGION_WAIT:
- /* fall-through */
- case GL_QUERY_WAIT:
- if (!q->Ready) {
- ctx->Driver.WaitQuery(ctx, q);
- }
- return q->Result > 0;
- case GL_QUERY_BY_REGION_NO_WAIT:
- /* fall-through */
- case GL_QUERY_NO_WAIT:
- return q->Ready ? (q->Result > 0) : GL_TRUE;
- default:
- _mesa_problem(ctx, "Bad cond render mode %s in "
- " _mesa_check_conditional_render()",
- _mesa_lookup_enum_by_nr(ctx->Query.CondRenderMode));
- return GL_TRUE;
- }
-}
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.8
+ *
+ * Copyright (C) 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, sublicense,
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+/**
+ * \file condrender.c
+ * Conditional rendering functions
+ *
+ * \author Brian Paul
+ */
+
+#include "glheader.h"
+#include "condrender.h"
+#include "enums.h"
+#include "queryobj.h"
+
+
+void GLAPIENTRY
+_mesa_BeginConditionalRender(GLuint queryId, GLenum mode)
+{
+ struct gl_query_object *q;
+ GET_CURRENT_CONTEXT(ctx);
+
+ if (!ctx->Extensions.NV_conditional_render || ctx->Query.CondRenderQuery) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginConditionalRender()");
+ return;
+ }
+
+ ASSERT(ctx->Query.CondRenderMode == GL_NONE);
+
+ switch (mode) {
+ case GL_QUERY_WAIT:
+ case GL_QUERY_NO_WAIT:
+ case GL_QUERY_BY_REGION_WAIT:
+ case GL_QUERY_BY_REGION_NO_WAIT:
+ /* OK */
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBeginConditionalRender(mode=%s)",
+ _mesa_lookup_enum_by_nr(mode));
+ return;
+ }
+
+ q = _mesa_lookup_query_object(ctx, queryId);
+ if (!q) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glBeginConditionalRender(bad queryId=%u)", queryId);
+ return;
+ }
+ ASSERT(q->Id == queryId);
+
+ if (q->Target != GL_SAMPLES_PASSED) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glBeginConditionalRender()");
+ return;
+ }
+
+ ctx->Query.CondRenderQuery = q;
+ ctx->Query.CondRenderMode = mode;
+
+ if (ctx->Driver.BeginConditionalRender)
+ ctx->Driver.BeginConditionalRender(ctx, q, mode);
+}
+
+
+void APIENTRY
+_mesa_EndConditionalRender(void)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ FLUSH_VERTICES(ctx, 0x0);
+
+ if (!ctx->Extensions.NV_conditional_render || !ctx->Query.CondRenderQuery) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glEndConditionalRender()");
+ return;
+ }
+
+ if (ctx->Driver.EndConditionalRender)
+ ctx->Driver.EndConditionalRender(ctx, ctx->Query.CondRenderQuery);
+
+ ctx->Query.CondRenderQuery = NULL;
+ ctx->Query.CondRenderMode = GL_NONE;
+}
+
+
+/**
+ * This function is called by software rendering commands (all point,
+ * line triangle drawing, glClear, glDrawPixels, glCopyPixels, and
+ * glBitmap, glBlitFramebuffer) to determine if subsequent drawing
+ * commands should be
+ * executed or discarded depending on the current conditional
+ * rendering state. Ideally, this check would be implemented by the
+ * GPU when doing hardware rendering. XXX should this function be
+ * called via a new driver hook?
+ *
+ * \return GL_TRUE if we should render, GL_FALSE if we should discard
+ */
+GLboolean
+_mesa_check_conditional_render(struct gl_context *ctx)
+{
+ struct gl_query_object *q = ctx->Query.CondRenderQuery;
+
+ if (!q) {
+ /* no query in progress - draw normally */
+ return GL_TRUE;
+ }
+
+ switch (ctx->Query.CondRenderMode) {
+ case GL_QUERY_BY_REGION_WAIT:
+ /* fall-through */
+ case GL_QUERY_WAIT:
+ if (!q->Ready) {
+ ctx->Driver.WaitQuery(ctx, q);
+ }
+ return q->Result > 0;
+ case GL_QUERY_BY_REGION_NO_WAIT:
+ /* fall-through */
+ case GL_QUERY_NO_WAIT:
+ return q->Ready ? (q->Result > 0) : GL_TRUE;
+ default:
+ _mesa_problem(ctx, "Bad cond render mode %s in "
+ " _mesa_check_conditional_render()",
+ _mesa_lookup_enum_by_nr(ctx->Query.CondRenderMode));
+ return GL_TRUE;
+ }
+}