diff options
Diffstat (limited to 'indra/llrender/llglslshader.cpp')
| -rw-r--r-- | indra/llrender/llglslshader.cpp | 74 |
1 files changed, 58 insertions, 16 deletions
diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp index ad2c662dfc..5a6f3d8292 100644 --- a/indra/llrender/llglslshader.cpp +++ b/indra/llrender/llglslshader.cpp @@ -31,6 +31,7 @@ #include "llshadermgr.h" #include "llfile.h" #include "llrender.h" +#include "llvertexbuffer.h" #if LL_DARWIN #include "OpenGL/OpenGL.h" @@ -49,6 +50,13 @@ using std::make_pair; using std::string; GLhandleARB LLGLSLShader::sCurBoundShader = 0; +LLGLSLShader* LLGLSLShader::sCurBoundShaderPtr = NULL; +S32 LLGLSLShader::sIndexedTextureChannels = 0; +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 +66,8 @@ 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) { } @@ -68,6 +77,7 @@ hasGamma(false), hasLighting(false), calculatesAtmospherics(false), mIndexedText LLGLSLShader::LLGLSLShader() : mProgramObject(0), mActiveTextureChannels(0), mShaderLevel(0), mShaderGroup(SG_DEFAULT), mUniformsDirty(FALSE) { + } void LLGLSLShader::unload() @@ -103,17 +113,19 @@ void LLGLSLShader::unload() BOOL LLGLSLShader::createShader(vector<string> * attributes, vector<string> * uniforms) { + //reloading, reset matrix hash values + for (U32 i = 0; i < LLRender::NUM_MATRIX_MODES; ++i) + { + mMatHash[i] = 0xFFFFFFFF; + } + mLightHash = 0xFFFFFFFF; + llassert_always(!mShaderFiles.empty()); BOOL success = TRUE; // 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++ ) @@ -228,6 +240,13 @@ void LLGLSLShader::attachObjects(GLhandleARB* objects, S32 count) BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes) { + //before linking, make sure reserved attributes always have consistent locations + for (U32 i = 0; i < LLShaderMgr::instance()->mReservedAttribs.size(); i++) + { + const char* name = LLShaderMgr::instance()->mReservedAttribs[i].c_str(); + glBindAttribLocationARB(mProgramObject, i, (const GLcharARB *) name); + } + //link the program BOOL res = link(); @@ -301,7 +320,7 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms) for (S32 i = 0; i < (S32) LLShaderMgr::instance()->mReservedUniforms.size(); i++) { if ( (mUniform[i] == -1) - && (LLShaderMgr::instance()->mReservedUniforms[i].compare(0, length, name, LLShaderMgr::instance()->mReservedUniforms[i].length()) == 0)) + && (LLShaderMgr::instance()->mReservedUniforms[i] == name)) { //found it mUniform[i] = location; @@ -315,7 +334,7 @@ void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms) for (U32 i = 0; i < uniforms->size(); i++) { if ( (mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] == -1) - && ((*uniforms)[i].compare(0, length, name, (*uniforms)[i].length()) == 0)) + && ((*uniforms)[i] == name)) { //found it mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] = location; @@ -376,10 +395,13 @@ BOOL LLGLSLShader::link(BOOL suppress_errors) void LLGLSLShader::bind() { + gGL.flush(); if (gGLManager.mHasShaderObjects) { + LLVertexBuffer::unbind(); glUseProgramObjectARB(mProgramObject); sCurBoundShader = mProgramObject; + sCurBoundShaderPtr = this; if (mUniformsDirty) { LLShaderMgr::instance()->updateShaderUniforms(this); @@ -390,6 +412,7 @@ void LLGLSLShader::bind() void LLGLSLShader::unbind() { + gGL.flush(); if (gGLManager.mHasShaderObjects) { stop_glerror(); @@ -401,16 +424,23 @@ void LLGLSLShader::unbind() stop_glerror(); } } + LLVertexBuffer::unbind(); glUseProgramObjectARB(0); sCurBoundShader = 0; + sCurBoundShaderPtr = NULL; stop_glerror(); } } void LLGLSLShader::bindNoShader(void) { - glUseProgramObjectARB(0); - sCurBoundShader = 0; + LLVertexBuffer::unbind(); + if (gGLManager.mHasShaderObjects) + { + glUseProgramObjectARB(0); + sCurBoundShader = 0; + sCurBoundShaderPtr = NULL; + } } S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode) @@ -756,13 +786,17 @@ GLint LLGLSLShader::getUniformLocation(const string& uniform) } } - /*if (gDebugGL) + return ret; +} + +GLint LLGLSLShader::getUniformLocation(U32 index) +{ + GLint ret = -1; + if (mProgramObject > 0) { - if (ret == -1 && ret != glGetUniformLocationARB(mProgramObject, uniform.c_str())) - { - llerrs << "Uniform map invalid." << llendl; - } - }*/ + llassert(index < mUniform.size()); + return mUniform[index]; + } return ret; } @@ -918,7 +952,9 @@ void LLGLSLShader::uniform4fv(const string& uniform, U32 count, const GLfloat* v std::map<GLint, LLVector4>::iterator iter = mValue.find(location); if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1) { + stop_glerror(); glUniform4fvARB(location, count, v); + stop_glerror(); mValue[location] = vec; } } @@ -972,3 +1008,9 @@ void LLGLSLShader::vertexAttrib4fv(U32 index, GLfloat* v) glVertexAttrib4fvARB(mAttribute[index], v); } } + +void LLGLSLShader::setMinimumAlpha(F32 minimum) +{ + gGL.flush(); + uniform1f(LLShaderMgr::MINIMUM_ALPHA, minimum); +} |