diff options
Diffstat (limited to 'indra/llrender/llgl.cpp')
-rw-r--r-- | indra/llrender/llgl.cpp | 68 |
1 files changed, 63 insertions, 5 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp index f29ee0e57e..96b1838158 100644 --- a/indra/llrender/llgl.cpp +++ b/indra/llrender/llgl.cpp @@ -178,6 +178,12 @@ PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer = NULL; PFNGLRENDERBUFFERSTORAGEMULTISAMPLEPROC glRenderbufferStorageMultisample = NULL; PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer = NULL; +//GL_ARB_texture_multisample +PFNGLTEXIMAGE2DMULTISAMPLEPROC glTexImage2DMultisample; +PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample; +PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv; +PFNGLSAMPLEMASKIPROC glSampleMaski; + // GL_EXT_blend_func_separate PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT = NULL; @@ -321,6 +327,7 @@ LLGLManager::LLGLManager() : mHasMipMapGeneration(FALSE), mHasCompressedTextures(FALSE), mHasFramebufferObject(FALSE), + mMaxSamples(0), mHasBlendFuncSeparate(FALSE), mHasVertexBufferObject(FALSE), @@ -328,11 +335,17 @@ LLGLManager::LLGLManager() : mHasShaderObjects(FALSE), mHasVertexShader(FALSE), mHasFragmentShader(FALSE), + mNumTextureImageUnits(0), mHasOcclusionQuery(FALSE), mHasOcclusionQuery2(FALSE), mHasPointParameters(FALSE), mHasDrawBuffers(FALSE), mHasTextureRectangle(FALSE), + mHasTextureMultisample(FALSE), + mMaxSampleMaskWords(0), + mMaxColorTextureSamples(0), + mMaxDepthTextureSamples(0), + mMaxIntegerSamples(0), mHasAnisotropic(FALSE), mHasARBEnvCombine(FALSE), @@ -534,6 +547,26 @@ bool LLGLManager::initGL() return false; } + if (mHasFragmentShader) + { + GLint num_tex_image_units; + glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS_ARB, &num_tex_image_units); + mNumTextureImageUnits = num_tex_image_units; + } + + if (mHasTextureMultisample) + { + glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &mMaxColorTextureSamples); + glGetIntegerv(GL_MAX_DEPTH_TEXTURE_SAMPLES, &mMaxDepthTextureSamples); + glGetIntegerv(GL_MAX_INTEGER_SAMPLES, &mMaxIntegerSamples); + glGetIntegerv(GL_MAX_SAMPLE_MASK_WORDS, &mMaxSampleMaskWords); + } + + if (mHasFramebufferObject) + { + glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples); + } + setToDebugGPU(); initGLStates(); @@ -640,6 +673,14 @@ std::string LLGLManager::getRawGLString() return gl_string; } +U32 LLGLManager::getNumFBOFSAASamples(U32 samples) +{ + samples = llmin(samples, (U32) mMaxColorTextureSamples); + samples = llmin(samples, (U32) mMaxDepthTextureSamples); + samples = llmin(samples, (U32) 4); + return samples; +} + void LLGLManager::shutdownGL() { if (mInited) @@ -734,6 +775,7 @@ void LLGLManager::initExtensions() 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); + mHasTextureMultisample = ExtensionExists("GL_ARB_texture_multisample", gGLHExts.mSysExts); #if !LL_DARWIN mHasPointParameters = !mIsATI && ExtensionExists("GL_ARB_point_parameters", gGLHExts.mSysExts); #endif @@ -878,11 +920,13 @@ void LLGLManager::initExtensions() LL_INFOS("RenderInit") << "Disabling mip-map generation for Intel GPUs" << LL_ENDL; mHasMipMapGeneration = FALSE; } +#if !LL_DARWIN if (mIsATI && mHasMipMapGeneration) { LL_INFOS("RenderInit") << "Disabling mip-map generation for ATI GPUs (performance opt)" << LL_ENDL; mHasMipMapGeneration = FALSE; } +#endif // Misc glGetIntegerv(GL_MAX_ELEMENTS_VERTICES, (GLint*) &mGLMaxVertexRange); @@ -943,6 +987,13 @@ void LLGLManager::initExtensions() { glBlendFuncSeparateEXT = (PFNGLBLENDFUNCSEPARATEEXTPROC) GLH_EXT_GET_PROC_ADDRESS("glBlendFuncSeparateEXT"); } + if (mHasTextureMultisample) + { + glTexImage2DMultisample = (PFNGLTEXIMAGE2DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage2DMultisample"); + glTexImage3DMultisample = (PFNGLTEXIMAGE3DMULTISAMPLEPROC) GLH_EXT_GET_PROC_ADDRESS("glTexImage3DMultisample"); + glGetMultisamplefv = (PFNGLGETMULTISAMPLEFVPROC) GLH_EXT_GET_PROC_ADDRESS("glGetMultisamplefv"); + glSampleMaski = (PFNGLSAMPLEMASKIPROC) GLH_EXT_GET_PROC_ADDRESS("glSampleMaski"); + } #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"); @@ -1374,7 +1425,8 @@ void LLGLState::checkTextureChannels(const std::string& msg) "GL_TEXTURE_GEN_T", "GL_TEXTURE_GEN_Q", "GL_TEXTURE_GEN_R", - "GL_TEXTURE_RECTANGLE_ARB" + "GL_TEXTURE_RECTANGLE_ARB", + "GL_TEXTURE_2D_MULTISAMPLE" }; static GLint value[] = @@ -1387,7 +1439,8 @@ void LLGLState::checkTextureChannels(const std::string& msg) GL_TEXTURE_GEN_T, GL_TEXTURE_GEN_Q, GL_TEXTURE_GEN_R, - GL_TEXTURE_RECTANGLE_ARB + GL_TEXTURE_RECTANGLE_ARB, + GL_TEXTURE_2D_MULTISAMPLE }; GLint stackDepth = 0; @@ -1427,11 +1480,16 @@ void LLGLState::checkTextureChannels(const std::string& msg) gFailLog << "Texture matrix in channel " << i << " corrupt." << std::endl; } } - - + for (S32 j = (i == 0 ? 1 : 0); - j < (gGLManager.mHasTextureRectangle ? 9 : 8); j++) + j < 9; j++) { + if (j == 8 && !gGLManager.mHasTextureRectangle || + j == 9 && !gGLManager.mHasTextureMultisample) + { + continue; + } + if (glIsEnabled(value[j])) { error = TRUE; |