diff options
Diffstat (limited to 'indra/llrender/llglslshader.cpp')
| -rw-r--r-- | indra/llrender/llglslshader.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp index 8e99f62de6..f51d83abe4 100644 --- a/indra/llrender/llglslshader.cpp +++ b/indra/llrender/llglslshader.cpp @@ -49,6 +49,12 @@ using std::make_pair; using std::string; GLhandleARB LLGLSLShader::sCurBoundShader = 0; +LLGLSLShader* LLGLSLShader::sCurBoundShaderPtr = NULL; +bool LLGLSLShader::sNoFixedFunction = false; + +//UI shader -- declared here so llui_libtest will link properly +LLGLSLShader gUIProgram; +LLGLSLShader gSolidColorProgram; BOOL shouldChange(const LLVector4& v1, const LLVector4& v2) { @@ -58,7 +64,8 @@ BOOL shouldChange(const LLVector4& v1, const LLVector4& v2) LLShaderFeatures::LLShaderFeatures() : calculatesLighting(false), isShiny(false), isFullbright(false), hasWaterFog(false), hasTransport(false), hasSkinning(false), hasObjectSkinning(false), hasAtmospherics(false), isSpecular(false), -hasGamma(false), hasLighting(false), calculatesAtmospherics(false), mIndexedTextureChannels(0), disableTextureIndex(false) +hasGamma(false), hasLighting(false), calculatesAtmospherics(false), mIndexedTextureChannels(0), disableTextureIndex(false), +hasAlphaMask(false) { } @@ -109,6 +116,11 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes, // Create program mProgramObject = glCreateProgramObjectARB(); + if (gGLManager.mGLVersion < 3.1f) + { //force indexed texture channels to 1 if GL version is old (performance improvement for drivers with poor branching shader model support) + mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1); + } + //compile new source vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin(); for ( ; fileIter != mShaderFiles.end(); fileIter++ ) @@ -131,6 +143,11 @@ BOOL LLGLSLShader::createShader(vector<string> * attributes, return FALSE; } + if (gGLManager.mGLVersion < 3.1f) + { //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again + mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1); + } + // Map attributes and uniforms if (success) { @@ -366,10 +383,12 @@ BOOL LLGLSLShader::link(BOOL suppress_errors) void LLGLSLShader::bind() { + gGL.flush(); if (gGLManager.mHasShaderObjects) { glUseProgramObjectARB(mProgramObject); sCurBoundShader = mProgramObject; + sCurBoundShaderPtr = this; if (mUniformsDirty) { LLShaderMgr::instance()->updateShaderUniforms(this); @@ -380,6 +399,7 @@ void LLGLSLShader::bind() void LLGLSLShader::unbind() { + gGL.flush(); if (gGLManager.mHasShaderObjects) { stop_glerror(); @@ -393,6 +413,7 @@ void LLGLSLShader::unbind() } glUseProgramObjectARB(0); sCurBoundShader = 0; + sCurBoundShaderPtr = NULL; stop_glerror(); } } @@ -401,6 +422,7 @@ void LLGLSLShader::bindNoShader(void) { glUseProgramObjectARB(0); sCurBoundShader = 0; + sCurBoundShaderPtr = NULL; } S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode) @@ -962,3 +984,9 @@ void LLGLSLShader::vertexAttrib4fv(U32 index, GLfloat* v) glVertexAttrib4fvARB(mAttribute[index], v); } } + +void LLGLSLShader::setAlphaRange(F32 minimum, F32 maximum) +{ + uniform1f("minimum_alpha", minimum); + uniform1f("maximum_alpha", maximum); +} |