diff options
Diffstat (limited to 'indra/llrender/llgl.cpp')
| -rw-r--r-- | indra/llrender/llgl.cpp | 117 |
1 files changed, 107 insertions, 10 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp index 197bc2b422..0b56b3889c 100644 --- a/indra/llrender/llgl.cpp +++ b/indra/llrender/llgl.cpp @@ -94,6 +94,10 @@ void APIENTRY gl_debug_callback(GLenum source, llwarns << "Severity: " << std::hex << severity << llendl; llwarns << "Message: " << message << llendl; llwarns << "-----------------------" << llendl; + if (severity == GL_DEBUG_SEVERITY_HIGH_ARB) + { + llerrs << "Halting on GL Error" << llendl; + } } #endif @@ -245,6 +249,12 @@ PFNGLTEXIMAGE3DMULTISAMPLEPROC glTexImage3DMultisample = NULL; PFNGLGETMULTISAMPLEFVPROC glGetMultisamplefv = NULL; PFNGLSAMPLEMASKIPROC glSampleMaski = NULL; +//transform feedback (4.0 core) +PFNGLBEGINTRANSFORMFEEDBACKPROC glBeginTransformFeedback = NULL; +PFNGLENDTRANSFORMFEEDBACKPROC glEndTransformFeedback = NULL; +PFNGLTRANSFORMFEEDBACKVARYINGSPROC glTransformFeedbackVaryings = NULL; +PFNGLBINDBUFFERRANGEPROC glBindBufferRange = NULL; + //GL_ARB_debug_output PFNGLDEBUGMESSAGECONTROLARBPROC glDebugMessageControlARB = NULL; PFNGLDEBUGMESSAGEINSERTARBPROC glDebugMessageInsertARB = NULL; @@ -417,6 +427,7 @@ LLGLManager::LLGLManager() : mHasDrawBuffers(FALSE), mHasTextureRectangle(FALSE), mHasTextureMultisample(FALSE), + mHasTransformFeedback(FALSE), mMaxSampleMaskWords(0), mMaxColorTextureSamples(0), mMaxDepthTextureSamples(0), @@ -554,7 +565,8 @@ bool LLGLManager::initGL() parse_gl_version( &mDriverVersionMajor, &mDriverVersionMinor, &mDriverVersionRelease, - &mDriverVersionVendorString ); + &mDriverVersionVendorString, + &mGLVersionString); mGLVersion = mDriverVersionMajor + mDriverVersionMinor * .1f; @@ -572,6 +584,15 @@ bool LLGLManager::initGL() #endif } + if (mGLVersion >= 2.1f && LLImageGL::sCompressTextures) + { //use texture compression + glHint(GL_TEXTURE_COMPRESSION_HINT, GL_NICEST); + } + else + { //GL version is < 3.0, always disable texture compression + LLImageGL::sCompressTextures = false; + } + // Trailing space necessary to keep "nVidia Corpor_ati_on" cards // from being recognized as ATI. if (mGLVendor.substr(0,4) == "ATI ") @@ -592,11 +613,8 @@ bool LLGLManager::initGL() #endif // LL_WINDOWS #if (LL_WINDOWS || LL_LINUX) && !LL_MESA_HEADLESS - // release 7277 is a point at which we verify that ATI OpenGL - // drivers get pretty stable with SL, ~Catalyst 8.2, - // for both Win32 and Linux. - if (mDriverVersionRelease < 7277 && - mDriverVersionRelease != 0) // 0 == Undetectable driver version - these get to pretend to be new ATI drivers, though that decision may be revisited. + // count any pre OpenGL 3.0 implementation as an old driver + if (mGLVersion < 3.f) { mATIOldDriver = TRUE; } @@ -735,6 +753,11 @@ bool LLGLManager::initGL() } #endif + if (mIsIntel && mGLVersion <= 3.f) + { //never try to use framebuffer objects on older intel drivers (crashy) + mHasFramebufferObject = FALSE; + } + if (mHasFramebufferObject) { glGetIntegerv(GL_MAX_SAMPLES, &mMaxSamples); @@ -923,7 +946,6 @@ void LLGLManager::initExtensions() mHasMultitexture = glh_init_extensions("GL_ARB_multitexture"); mHasATIMemInfo = ExtensionExists("GL_ATI_meminfo", gGLHExts.mSysExts); mHasNVXMemInfo = ExtensionExists("GL_NVX_gpu_memory_info", gGLHExts.mSysExts); - mHasMipMapGeneration = glh_init_extensions("GL_SGIS_generate_mipmap"); mHasSeparateSpecularColor = glh_init_extensions("GL_EXT_separate_specular_color"); mHasAnisotropic = glh_init_extensions("GL_EXT_texture_filter_anisotropic"); glh_init_extensions("GL_ARB_texture_cube_map"); @@ -948,11 +970,14 @@ void LLGLManager::initExtensions() ExtensionExists("GL_EXT_packed_depth_stencil", gGLHExts.mSysExts); #endif + mHasMipMapGeneration = mHasFramebufferObject || mGLVersion >= 1.4f; + 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); mHasDebugOutput = ExtensionExists("GL_ARB_debug_output", gGLHExts.mSysExts); + mHasTransformFeedback = mGLVersion >= 4.f ? TRUE : FALSE; #if !LL_DARWIN mHasPointParameters = !mIsATI && ExtensionExists("GL_ARB_point_parameters", gGLHExts.mSysExts); #endif @@ -1192,7 +1217,14 @@ void LLGLManager::initExtensions() 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 (mHasTransformFeedback) + { + glBeginTransformFeedback = (PFNGLBEGINTRANSFORMFEEDBACKPROC) GLH_EXT_GET_PROC_ADDRESS("glBeginTransformFeedback"); + glEndTransformFeedback = (PFNGLENDTRANSFORMFEEDBACKPROC) GLH_EXT_GET_PROC_ADDRESS("glEndTransformFeedback"); + glTransformFeedbackVaryings = (PFNGLTRANSFORMFEEDBACKVARYINGSPROC) GLH_EXT_GET_PROC_ADDRESS("glTransformFeedbackVaryings"); + glBindBufferRange = (PFNGLBINDBUFFERRANGEPROC) GLH_EXT_GET_PROC_ADDRESS("glBindBufferRange"); + } if (mHasDebugOutput) { glDebugMessageControlARB = (PFNGLDEBUGMESSAGECONTROLARBPROC) GLH_EXT_GET_PROC_ADDRESS("glDebugMessageControlARB"); @@ -1897,7 +1929,7 @@ void LLGLState::checkClientArrays(const std::string& msg, U32 data_mask) glClientActiveTextureARB(GL_TEXTURE0_ARB); gGL.getTexUnit(0)->activate(); - if (gGLManager.mHasVertexShader) + if (gGLManager.mHasVertexShader && LLGLSLShader::sNoFixedFunction) { //make sure vertex attribs are all disabled GLint count; glGetIntegerv(GL_MAX_VERTEX_ATTRIBS_ARB, &count); @@ -1949,6 +1981,7 @@ LLGLState::LLGLState(LLGLenum state, S32 enabled) : case GL_COLOR_MATERIAL: case GL_FOG: case GL_LINE_STIPPLE: + case GL_POLYGON_STIPPLE: mState = 0; break; } @@ -2037,7 +2070,7 @@ void LLGLManager::initGLStates() //////////////////////////////////////////////////////////////////////////////// -void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor_specific ) +void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor_specific, std::string* version_string ) { // GL_VERSION returns a null-terminated string with the format: // <major>.<minor>[.<release>] [<vendor specific>] @@ -2053,6 +2086,8 @@ void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor return; } + version_string->assign(version); + std::string ver_copy( version ); S32 len = (S32)strlen( version ); /* Flawfinder: ignore */ S32 i = 0; @@ -2414,3 +2449,65 @@ LLGLSquashToFarClip::~LLGLSquashToFarClip() gGL.matrixMode(LLRender::MM_MODELVIEW); } + + +LLGLSyncFence::LLGLSyncFence() +{ +#ifdef GL_ARB_sync + mSync = 0; +#endif +} + +LLGLSyncFence::~LLGLSyncFence() +{ +#ifdef GL_ARB_sync + if (mSync) + { + glDeleteSync(mSync); + } +#endif +} + +void LLGLSyncFence::placeFence() +{ +#ifdef GL_ARB_sync + if (mSync) + { + glDeleteSync(mSync); + } + mSync = glFenceSync(GL_SYNC_GPU_COMMANDS_COMPLETE, 0); +#endif +} + +bool LLGLSyncFence::isCompleted() +{ + bool ret = true; +#ifdef GL_ARB_sync + if (mSync) + { + GLenum status = glClientWaitSync(mSync, 0, 1); + if (status == GL_TIMEOUT_EXPIRED) + { + ret = false; + } + } +#endif + return ret; +} + +void LLGLSyncFence::wait() +{ +#ifdef GL_ARB_sync + if (mSync) + { + while (glClientWaitSync(mSync, 0, FENCE_WAIT_TIME_NANOSECONDS) == GL_TIMEOUT_EXPIRED) + { //track the number of times we've waited here + static S32 waits = 0; + waits++; + } + } +#endif +} + + + |