diff options
Diffstat (limited to 'indra/llrender/llgl.cpp')
| -rw-r--r-- | indra/llrender/llgl.cpp | 175 |
1 files changed, 129 insertions, 46 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp index 7e1df0e565..c0edd92bc1 100644 --- a/indra/llrender/llgl.cpp +++ b/indra/llrender/llgl.cpp @@ -2,31 +2,25 @@ * @file llgl.cpp * @brief LLGL implementation * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -64,6 +58,8 @@ BOOL gDebugSession = FALSE; BOOL gDebugGL = FALSE; BOOL gClothRipple = FALSE; BOOL gNoRender = FALSE; +BOOL gGLActive = FALSE; + std::ofstream gFailLog; @@ -107,6 +103,7 @@ LLMatrix4 gGLObliqueProjectionInverse; #define LL_GL_NAME_POOLING 0 LLGLNamePool::pool_list_t LLGLNamePool::sInstances; +std::list<LLGLUpdate*> LLGLUpdate::sGLQ; #if (LL_WINDOWS || LL_LINUX || LL_SOLARIS) && !LL_MESA_HEADLESS // ATI prototypes @@ -182,6 +179,9 @@ PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT = // GL_EXT_framebuffer_blit PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT = NULL; +// GL_EXT_blend_func_separate +PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT = NULL; + // GL_ARB_draw_buffers PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB = NULL; @@ -321,6 +321,7 @@ LLGLManager::LLGLManager() : mHasCompressedTextures(FALSE), mHasFramebufferObject(FALSE), mHasFramebufferMultisample(FALSE), + mHasBlendFuncSeparate(FALSE), mHasVertexBufferObject(FALSE), mHasPBuffer(FALSE), @@ -329,6 +330,8 @@ LLGLManager::LLGLManager() : mHasFragmentShader(FALSE), mHasOcclusionQuery(FALSE), mHasPointParameters(FALSE), + mHasDrawBuffers(FALSE), + mHasTextureRectangle(FALSE), mHasAnisotropic(FALSE), mHasARBEnvCombine(FALSE), @@ -347,6 +350,8 @@ LLGLManager::LLGLManager() : mHasSeparateSpecularColor(FALSE), + mDebugGPU(FALSE), + mDriverVersionMajor(1), mDriverVersionMinor(0), mDriverVersionRelease(0), @@ -514,11 +519,23 @@ bool LLGLManager::initGL() return false; } + setToDebugGPU(); initGLStates(); return true; } +void LLGLManager::setToDebugGPU() +{ + //"MOBILE INTEL(R) 965 EXPRESS CHIP", + if (mGLRenderer.find("INTEL") != std::string::npos && mGLRenderer.find("965") != std::string::npos) + { + mDebugGPU = TRUE ; + } + + return ; +} + void LLGLManager::getGLInfo(LLSD& info) { info["GLInfo"]["GLVendor"] = std::string((const char *)glGetString(GL_VENDOR)); @@ -590,8 +607,6 @@ void LLGLManager::shutdownGL() // these are used to turn software blending on. They appear in the Debug/Avatar menu // presence of vertex skinning/blending or vertex programs will set these to FALSE by default. -extern LLCPUInfo gSysCPU; - void LLGLManager::initExtensions() { #if LL_MESA_HEADLESS @@ -630,6 +645,11 @@ void LLGLManager::initExtensions() #else mHasDrawBuffers = FALSE; # endif +# if GL_EXT_blend_func_separate + mHasBlendFuncSeparate = TRUE; +#else + mHasBlendFuncSeparate = FALSE; +# endif mHasMipMapGeneration = FALSE; mHasSeparateSpecularColor = FALSE; mHasAnisotropic = FALSE; @@ -656,6 +676,7 @@ void LLGLManager::initExtensions() && ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts); mHasFramebufferMultisample = mHasFramebufferObject && ExtensionExists("GL_EXT_framebuffer_multisample", gGLHExts.mSysExts); mHasDrawBuffers = ExtensionExists("GL_ARB_draw_buffers", gGLHExts.mSysExts); + mHasBlendFuncSeparate = ExtensionExists("GL_EXT_blend_func_separate", gGLHExts.mSysExts); mHasTextureRectangle = ExtensionExists("GL_ARB_texture_rectangle", gGLHExts.mSysExts); #if !LL_DARWIN mHasPointParameters = !mIsATI && ExtensionExists("GL_ARB_point_parameters", gGLHExts.mSysExts); @@ -670,7 +691,7 @@ void LLGLManager::initExtensions() llinfos << "initExtensions() checking shell variables to adjust features..." << llendl; // Our extension support for the Linux Client is very young with some // potential driver gotchas, so offer a semi-secret way to turn it off. - if (getenv("LL_GL_NOEXT")) /* Flawfinder: ignore */ + if (getenv("LL_GL_NOEXT")) { //mHasMultitexture = FALSE; // NEEDED! mHasARBEnvCombine = FALSE; @@ -679,6 +700,7 @@ void LLGLManager::initExtensions() mHasFramebufferObject = FALSE; mHasFramebufferMultisample = FALSE; mHasDrawBuffers = FALSE; + mHasBlendFuncSeparate = FALSE; mHasMipMapGeneration = FALSE; mHasSeparateSpecularColor = FALSE; mHasAnisotropic = FALSE; @@ -703,6 +725,7 @@ void LLGLManager::initExtensions() mHasShaderObjects = FALSE; mHasVertexShader = FALSE; mHasFragmentShader = FALSE; + mHasBlendFuncSeparate = FALSE; LL_WARNS("RenderInit") << "GL extension support forced to SIMPLE level via LL_GL_BASICEXT" << LL_ENDL; } if (getenv("LL_GL_BLACKLIST")) /* Flawfinder: ignore */ @@ -731,7 +754,8 @@ void LLGLManager::initExtensions() if (strchr(blacklist,'r')) mHasDrawBuffers = FALSE;//S if (strchr(blacklist,'s')) mHasFramebufferMultisample = FALSE; if (strchr(blacklist,'t')) mHasTextureRectangle = FALSE; - + if (strchr(blacklist,'u')) mHasBlendFuncSeparate = FALSE;//S + } #endif // LL_LINUX || LL_SOLARIS @@ -779,6 +803,14 @@ void LLGLManager::initExtensions() { LL_INFOS("RenderInit") << "Couldn't initialize GL_ARB_fragment_shader" << LL_ENDL; } + if (!mHasBlendFuncSeparate) + { + LL_INFOS("RenderInit") << "Couldn't initialize GL_EXT_blend_func_separate" << LL_ENDL; + } + if (!mHasDrawBuffers) + { + LL_INFOS("RenderInit") << "Couldn't initialize GL_ARB_draw_buffers" << LL_ENDL; + } // Disable certain things due to known bugs if (mIsIntel && mHasMipMapGeneration) @@ -849,6 +881,10 @@ void LLGLManager::initExtensions() { glDrawBuffersARB = (PFNGLDRAWBUFFERSARBPROC) GLH_EXT_GET_PROC_ADDRESS("glDrawBuffersARB"); } + if (mHasBlendFuncSeparate) + { + glBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBlendFuncSeparateEXT"); + } #if (!LL_LINUX && !LL_SOLARIS) || LL_LINUX_NV_GL_HEADERS // This is expected to be a static symbol on Linux GL implementations, except if we use the nvidia headers - bah glDrawRangeElements = (PFNGLDRAWRANGEELEMENTSPROC)GLH_EXT_GET_PROC_ADDRESS("glDrawRangeElements"); @@ -1011,14 +1047,9 @@ void flush_glerror() glGetError(); } -void assert_glerror() +void do_assert_glerror() { - if (gNoRender || !gDebugGL) - { - return; - } - - if (!gGLManager.mInited) + if (LL_UNLIKELY(!gGLManager.mInited)) { LL_ERRS("RenderInit") << "GL not initialized" << LL_ENDL; } @@ -1026,10 +1057,9 @@ void assert_glerror() GLenum error; error = glGetError(); BOOL quit = FALSE; - while (error) + while (LL_UNLIKELY(error)) { quit = TRUE; -#ifndef LL_LINUX // *FIX: ! This should be an error for linux as well. GLubyte const * gl_error_msg = gluErrorString(error); if (NULL != gl_error_msg) { @@ -1053,7 +1083,6 @@ void assert_glerror() } } error = glGetError(); -#endif } if (quit) @@ -1069,6 +1098,25 @@ void assert_glerror() } } +void assert_glerror() +{ + if (!gGLActive) + { + //llwarns << "GL used while not active!" << llendl; + + if (gDebugSession) + { + //ll_fail("GL used while not active"); + } + } + + if (!gNoRender && gDebugGL) + { + do_assert_glerror(); + } +} + + void clear_glerror() { // Create or update texture to be used with this data @@ -1082,7 +1130,7 @@ void clear_glerror() // // Static members -std::map<LLGLenum, LLGLboolean> LLGLState::sStateMap; +boost::unordered_map<LLGLenum, LLGLboolean> LLGLState::sStateMap; GLboolean LLGLDepthTest::sDepthEnabled = GL_FALSE; // OpenGL default GLenum LLGLDepthTest::sDepthFunc = GL_LESS; // OpenGL default @@ -1130,7 +1178,7 @@ void LLGLState::resetTextureStates() void LLGLState::dumpStates() { LL_INFOS("RenderState") << "GL States:" << LL_ENDL; - for (std::map<LLGLenum, LLGLboolean>::iterator iter = sStateMap.begin(); + for (boost::unordered_map<LLGLenum, LLGLboolean>::iterator iter = sStateMap.begin(); iter != sStateMap.end(); ++iter) { LL_INFOS("RenderState") << llformat(" 0x%04x : %s",(S32)iter->first,iter->second?"TRUE":"FALSE") << LL_ENDL; @@ -1166,7 +1214,7 @@ void LLGLState::checkStates(const std::string& msg) } } - for (std::map<LLGLenum, LLGLboolean>::iterator iter = sStateMap.begin(); + for (boost::unordered_map<LLGLenum, LLGLboolean>::iterator iter = sStateMap.begin(); iter != sStateMap.end(); ++iter) { LLGLenum state = iter->first; @@ -1258,8 +1306,10 @@ void LLGLState::checkTextureChannels(const std::string& msg) }; GLint stackDepth = 0; - LLMatrix4 identity; - LLMatrix4 matrix; + + glh::matrix4f mat; + glh::matrix4f identity; + identity.identity(); for (GLint i = 1; i < maxTextureUnits; i++) { @@ -1280,10 +1330,10 @@ void LLGLState::checkTextureChannels(const std::string& msg) } } - glGetFloatv(GL_TEXTURE_MATRIX, (GLfloat*) matrix.mMatrix); + glGetFloatv(GL_TEXTURE_MATRIX, (GLfloat*) mat.m); stop_glerror(); - if (matrix != identity) + if (mat != identity) { error = TRUE; LL_WARNS("RenderState") << "Texture matrix in channel " << i << " corrupt." << LL_ENDL; @@ -1309,10 +1359,6 @@ void LLGLState::checkTextureChannels(const std::string& msg) stop_glerror(); } - glh::matrix4f mat; - glh::matrix4f identity; - identity.identity(); - glGetFloatv(GL_TEXTURE_MATRIX, mat.m); stop_glerror(); @@ -1910,6 +1956,16 @@ LLGLDepthTest::LLGLDepthTest(GLboolean depth_enabled, GLboolean write_enabled, G : mPrevDepthEnabled(sDepthEnabled), mPrevDepthFunc(sDepthFunc), mPrevWriteEnabled(sWriteEnabled) { stop_glerror(); + + checkState(); + + if (!depth_enabled) + { // always disable depth writes if depth testing is disabled + // GL spec defines this as a requirement, but some implementations allow depth writes with testing disabled + // The proper way to write to depth buffer with testing disabled is to enable testing and use a depth_func of GL_ALWAYS + write_enabled = FALSE; + } + if (depth_enabled != sDepthEnabled) { gGL.flush(); @@ -1933,6 +1989,7 @@ LLGLDepthTest::LLGLDepthTest(GLboolean depth_enabled, GLboolean write_enabled, G LLGLDepthTest::~LLGLDepthTest() { + checkState(); if (sDepthEnabled != mPrevDepthEnabled ) { gGL.flush(); @@ -1954,6 +2011,32 @@ LLGLDepthTest::~LLGLDepthTest() } } +void LLGLDepthTest::checkState() +{ + if (gDebugGL) + { + GLint func = 0; + GLboolean mask = FALSE; + + glGetIntegerv(GL_DEPTH_FUNC, &func); + glGetBooleanv(GL_DEPTH_WRITEMASK, &mask); + + if (glIsEnabled(GL_DEPTH_TEST) != sDepthEnabled || + sWriteEnabled != mask || + sDepthFunc != func) + { + if (gDebugSession) + { + gFailLog << "Unexpected depth testing state." << std::endl; + } + else + { + LL_GL_ERRS << "Unexpected depth testing state." << LL_ENDL; + } + } + } +} + LLGLClampToFarClip::LLGLClampToFarClip(glh::matrix4f P) { for (U32 i = 0; i < 4; i++) |