diff options
Diffstat (limited to 'indra/llrender/llgl.cpp')
| -rw-r--r-- | indra/llrender/llgl.cpp | 97 |
1 files changed, 90 insertions, 7 deletions
diff --git a/indra/llrender/llgl.cpp b/indra/llrender/llgl.cpp index 946e602fee..628a8d6131 100644 --- a/indra/llrender/llgl.cpp +++ b/indra/llrender/llgl.cpp @@ -94,9 +94,15 @@ 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 +void parse_glsl_version(S32& major, S32& minor); + void ll_init_fail_log(std::string filename) { gFailLog.open(filename.c_str()); @@ -295,6 +301,7 @@ PFNGLGETACTIVEUNIFORMARBPROC glGetActiveUniformARB = NULL; PFNGLGETUNIFORMFVARBPROC glGetUniformfvARB = NULL; PFNGLGETUNIFORMIVARBPROC glGetUniformivARB = NULL; PFNGLGETSHADERSOURCEARBPROC glGetShaderSourceARB = NULL; +PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer = NULL; #if LL_WINDOWS PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribsARB = NULL; @@ -443,7 +450,8 @@ LLGLManager::LLGLManager() : mDriverVersionMinor(0), mDriverVersionRelease(0), mGLVersion(1.0f), - + mGLSLVersionMajor(0), + mGLSLVersionMinor(0), mVRAM(0), mGLMaxVertexRange(0), mGLMaxIndexRange(0) @@ -554,6 +562,29 @@ bool LLGLManager::initGL() mGLVersion = mDriverVersionMajor + mDriverVersionMinor * .1f; + if (mGLVersion >= 2.f) + { + parse_glsl_version(mGLSLVersionMajor, mGLSLVersionMinor); + +#if LL_DARWIN + //never use GLSL greater than 1.20 on OSX + if (mGLSLVersionMajor > 1 || mGLSLVersionMinor >= 30) + { + mGLSLVersionMajor = 1; + mGLSLVersionMinor = 20; + } +#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 ") @@ -574,11 +605,8 @@ 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; } @@ -717,6 +745,11 @@ 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); @@ -1300,6 +1333,7 @@ void LLGLManager::initExtensions() glVertexAttrib4uivARB = (PFNGLVERTEXATTRIB4UIVARBPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4uivARB"); glVertexAttrib4usvARB = (PFNGLVERTEXATTRIB4USVARBPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttrib4usvARB"); glVertexAttribPointerARB = (PFNGLVERTEXATTRIBPOINTERARBPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttribPointerARB"); + glVertexAttribIPointer = (PFNGLVERTEXATTRIBIPOINTERPROC) GLH_EXT_GET_PROC_ADDRESS("glVertexAttribIPointer"); glEnableVertexAttribArrayARB = (PFNGLENABLEVERTEXATTRIBARRAYARBPROC) GLH_EXT_GET_PROC_ADDRESS("glEnableVertexAttribArrayARB"); glDisableVertexAttribArrayARB = (PFNGLDISABLEVERTEXATTRIBARRAYARBPROC) GLH_EXT_GET_PROC_ADDRESS("glDisableVertexAttribArrayARB"); glProgramStringARB = (PFNGLPROGRAMSTRINGARBPROC) GLH_EXT_GET_PROC_ADDRESS("glProgramStringARB"); @@ -1878,7 +1912,7 @@ 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); @@ -2098,6 +2132,55 @@ void parse_gl_version( S32* major, S32* minor, S32* release, std::string* vendor } } + +void parse_glsl_version(S32& major, S32& minor) +{ + // GL_SHADING_LANGUAGE_VERSION returns a null-terminated string with the format: + // <major>.<minor>[.<release>] [<vendor specific>] + + const char* version = (const char*) glGetString(GL_SHADING_LANGUAGE_VERSION); + major = 0; + minor = 0; + + if( !version ) + { + return; + } + + std::string ver_copy( version ); + S32 len = (S32)strlen( version ); /* Flawfinder: ignore */ + S32 i = 0; + S32 start; + // Find the major version + start = i; + for( ; i < len; i++ ) + { + if( '.' == version[i] ) + { + break; + } + } + std::string major_str = ver_copy.substr(start,i-start); + LLStringUtil::convertToS32(major_str, major); + + if( '.' == version[i] ) + { + i++; + } + + // Find the minor version + start = i; + for( ; i < len; i++ ) + { + if( ('.' == version[i]) || isspace(version[i]) ) + { + break; + } + } + std::string minor_str = ver_copy.substr(start,i-start); + LLStringUtil::convertToS32(minor_str, minor); +} + LLGLUserClipPlane::LLGLUserClipPlane(const LLPlane& p, const glh::matrix4f& modelview, const glh::matrix4f& projection, bool apply) { mApply = apply; |