diff options
Diffstat (limited to 'indra/llrender/llgl.cpp')
-rw-r--r-- | indra/llrender/llgl.cpp | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp index a3f7a946ec..97019d48c4 100644 --- a/indra/llrender/llgl.cpp +++ b/indra/llrender/llgl.cpp @@ -185,6 +185,9 @@ PFNGLRENDERBUFFERSTORAGEMULTISAMPLEEXTPROC glRenderbufferStorageMultisampleEXT = // GL_EXT_framebuffer_blit PFNGLBLITFRAMEBUFFEREXTPROC glBlitFramebufferEXT = NULL; +// GL_EXT_blend_func_separate +PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT = NULL; + // GL_ARB_draw_buffers PFNGLDRAWBUFFERSARBPROC glDrawBuffersARB = NULL; @@ -324,6 +327,7 @@ LLGLManager::LLGLManager() : mHasCompressedTextures(FALSE), mHasFramebufferObject(FALSE), mHasFramebufferMultisample(FALSE), + mHasBlendFuncSeparate(FALSE), mHasVertexBufferObject(FALSE), mHasPBuffer(FALSE), @@ -633,6 +637,11 @@ 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; @@ -659,6 +668,7 @@ 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); @@ -682,6 +692,7 @@ void LLGLManager::initExtensions() mHasFramebufferObject = FALSE; mHasFramebufferMultisample = FALSE; mHasDrawBuffers = FALSE; + mHasBlendFuncSeparate = FALSE; mHasMipMapGeneration = FALSE; mHasSeparateSpecularColor = FALSE; mHasAnisotropic = FALSE; @@ -706,6 +717,7 @@ 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 */ @@ -734,7 +746,8 @@ 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 @@ -782,6 +795,14 @@ 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) @@ -852,6 +873,10 @@ 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"); |