From 0470a59df89ab453bdbe0fc2f820278cfffdc61c Mon Sep 17 00:00:00 2001 From: marha Date: Tue, 20 Sep 2011 08:40:57 +0200 Subject: libX11 libxtrans mesa git update 20 sep 2011 --- mesalib/src/mesa/main/condrender.c | 297 +++++++++++++++++++------------------ 1 file changed, 149 insertions(+), 148 deletions(-) (limited to 'mesalib/src/mesa/main/condrender.c') diff --git a/mesalib/src/mesa/main/condrender.c b/mesalib/src/mesa/main/condrender.c index 2c5ed0269..57f371521 100644 --- a/mesalib/src/mesa/main/condrender.c +++ b/mesalib/src/mesa/main/condrender.c @@ -1,148 +1,149 @@ -/* - * 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 "mtypes.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; - } -} +/* + * 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 "mtypes.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 || + queryId == 0) { + _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 || q->Active) { + _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; + } +} -- cgit v1.2.3