1049 lines
25 KiB
C++
1049 lines
25 KiB
C++
/**
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* @file llglslshader.cpp
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* @brief GLSL helper functions and state.
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*
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* $LicenseInfo:firstyear=2005&license=viewergpl$
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*
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* Copyright (c) 2005-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llglslshader.h"
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#include "llshadermgr.h"
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#include "llfile.h"
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#include "llrender.h"
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#include "llcontrol.h"
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#include "llvertexbuffer.h"
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#if LL_DARWIN
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#include "OpenGL/OpenGL.h"
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#endif
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#ifdef LL_RELEASE_FOR_DOWNLOAD
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#define UNIFORM_ERRS LL_WARNS_ONCE("Shader")
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#else
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#define UNIFORM_ERRS LL_ERRS("Shader")
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#endif
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// Lots of STL stuff in here, using namespace std to keep things more readable
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using std::vector;
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using std::pair;
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using std::make_pair;
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using std::string;
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GLhandleARB LLGLSLShader::sCurBoundShader = 0;
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LLGLSLShader* LLGLSLShader::sCurBoundShaderPtr = NULL;
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S32 LLGLSLShader::sIndexedTextureChannels = 0;
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bool LLGLSLShader::sNoFixedFunction = false;
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//UI shader -- declared here so llui_libtest will link properly
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//Singu note: Not using llui_libtest... and LLViewerShaderMgr is a part of newview. So,
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// these are declared in newview/llviewershadermanager.cpp just like every other shader.
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//LLGLSLShader gUIProgram(LLViewerShaderMgr::SHADER_INTERFACE);
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//LLGLSLShader gSolidColorProgram(LLViewerShaderMgr::SHADER_INTERFACE);
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BOOL shouldChange(const LLVector4& v1, const LLVector4& v2)
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{
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return v1 != v2;
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}
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LLShaderFeatures::LLShaderFeatures()
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: atmosphericHelpers(false)
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, calculatesLighting(false)
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, calculatesAtmospherics(false)
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, hasLighting(false)
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, isAlphaLighting(false)
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, isShiny(false)
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, isFullbright(false)
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, isSpecular(false)
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, hasWaterFog(false)
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, hasTransport(false)
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, hasSkinning(false)
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, hasObjectSkinning(false)
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, hasAtmospherics(false)
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, hasGamma(false)
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, mIndexedTextureChannels(0)
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, disableTextureIndex(false)
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, hasAlphaMask(false)
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{
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}
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//===============================
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// LLGLSL Shader implementation
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//===============================
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LLGLSLShader::LLGLSLShader(S32 shader_class)
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: mProgramObject(0), mShaderClass(shader_class), mActiveTextureChannels(0), mShaderLevel(0), mShaderGroup(SG_DEFAULT), mUniformsDirty(FALSE)
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{
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LLShaderMgr::getGlobalShaderList().push_back(this);
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}
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void LLGLSLShader::unload()
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{
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stop_glerror();
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mAttribute.clear();
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mTexture.clear();
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mUniform.clear();
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mShaderFiles.clear();
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if (mProgramObject)
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{
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//Don't do this! Attached objects are already flagged for deletion.
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//They will be deleted when no programs have them attached. (deleting a program auto-detaches them!)
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/*GLhandleARB obj[1024];
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GLsizei count;
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glGetAttachedObjectsARB(mProgramObject, 1024, &count, obj);
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for (GLsizei i = 0; i < count; i++)
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{
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glDeleteObjectARB(obj[i]);
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}*/
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if(mProgramObject)
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glDeleteObjectARB(mProgramObject);
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mProgramObject = 0;
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}
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//hack to make apple not complain
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glGetError();
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stop_glerror();
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}
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BOOL LLGLSLShader::createShader(vector<string> * attributes,
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vector<string> * uniforms)
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{
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//reloading, reset matrix hash values
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for (U32 i = 0; i < LLRender::NUM_MATRIX_MODES; ++i)
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{
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mMatHash[i] = 0xFFFFFFFF;
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}
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mLightHash = 0xFFFFFFFF;
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llassert_always(!mShaderFiles.empty());
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BOOL success = TRUE;
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if(mProgramObject) //purge the old program
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glDeleteObjectARB(mProgramObject);
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// Create program
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mProgramObject = glCreateProgramObjectARB();
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//compile new source
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vector< pair<string,GLenum> >::iterator fileIter = mShaderFiles.begin();
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for ( ; fileIter != mShaderFiles.end(); fileIter++ )
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{
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GLhandleARB shaderhandle = LLShaderMgr::instance()->loadShaderFile((*fileIter).first, mShaderLevel, (*fileIter).second, mFeatures.mIndexedTextureChannels);
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LL_DEBUGS("ShaderLoading") << "SHADER FILE: " << (*fileIter).first << " mShaderLevel=" << mShaderLevel << LL_ENDL;
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if (shaderhandle > 0)
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{
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attachObject(shaderhandle);
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}
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else
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{
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success = FALSE;
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}
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}
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// Attach existing objects
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if (!LLShaderMgr::instance()->attachShaderFeatures(this))
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{
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if(mProgramObject)
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glDeleteObjectARB(mProgramObject);
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mProgramObject = 0;
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return FALSE;
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}
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static const LLCachedControl<bool> no_texture_indexing("ShyotlUseLegacyTextureBatching",false);
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if ((gGLManager.mGLSLVersionMajor < 2 && gGLManager.mGLSLVersionMinor < 3) || no_texture_indexing)
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{ //attachShaderFeatures may have set the number of indexed texture channels, so set to 1 again
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mFeatures.mIndexedTextureChannels = llmin(mFeatures.mIndexedTextureChannels, 1);
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}
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// Map attributes and uniforms
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if (success)
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{
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success = mapAttributes(attributes);
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}
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if (success)
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{
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success = mapUniforms(uniforms);
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}
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if( !success )
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{
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if(mProgramObject)
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glDeleteObjectARB(mProgramObject);
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mProgramObject = 0;
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LL_WARNS("ShaderLoading") << "Failed to link shader: " << mName << LL_ENDL;
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// Try again using a lower shader level;
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if (mShaderLevel > 0)
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{
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LL_WARNS("ShaderLoading") << "Failed to link using shader level " << mShaderLevel << " trying again using shader level " << (mShaderLevel - 1) << LL_ENDL;
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mShaderLevel--;
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return createShader(attributes,uniforms);
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}
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}
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else if (mFeatures.mIndexedTextureChannels > 0)
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{ //override texture channels for indexed texture rendering
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bind();
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S32 channel_count = mFeatures.mIndexedTextureChannels;
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for (S32 i = 0; i < channel_count; i++)
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{
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uniform1i(llformat("tex%d", i), i);
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}
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S32 cur_tex = channel_count; //adjust any texture channels that might have been overwritten
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for (U32 i = 0; i < mTexture.size(); i++)
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{
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if (mTexture[i] > -1 && mTexture[i] < channel_count)
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{
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llassert(cur_tex < gGLManager.mNumTextureImageUnits);
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uniform1i(i, cur_tex);
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mTexture[i] = cur_tex++;
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}
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}
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unbind();
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}
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return success;
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}
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BOOL LLGLSLShader::attachObject(std::string object)
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{
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std::map<std::string, GLhandleARB> &ShaderObjects = LLShaderMgr::instance()->mShaderObjects;
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if (ShaderObjects.find(object) != ShaderObjects.end())
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{
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stop_glerror();
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glAttachObjectARB(mProgramObject, LLShaderMgr::instance()->mShaderObjects[object]);
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stop_glerror();
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return TRUE;
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}
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else
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{
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LL_WARNS("ShaderLoading") << "Attempting to attach shader object that hasn't been compiled: " << object << LL_ENDL;
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return FALSE;
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}
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}
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void LLGLSLShader::attachObject(GLhandleARB object)
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{
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if (object != 0)
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{
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stop_glerror();
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glAttachObjectARB(mProgramObject, object);
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stop_glerror();
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}
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else
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{
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LL_WARNS("ShaderLoading") << "Attempting to attach non existing shader object. " << LL_ENDL;
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}
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}
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void LLGLSLShader::attachObjects(GLhandleARB* objects, S32 count)
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{
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for (S32 i = 0; i < count; i++)
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{
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attachObject(objects[i]);
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}
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}
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BOOL LLGLSLShader::mapAttributes(const vector<string> * attributes)
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{
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//before linking, make sure reserved attributes always have consistent locations
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for (U32 i = 0; i < LLShaderMgr::instance()->mReservedAttribs.size(); i++)
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{
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const char* name = LLShaderMgr::instance()->mReservedAttribs[i].c_str();
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glBindAttribLocationARB(mProgramObject, i, (const GLcharARB *) name);
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}
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//link the program
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BOOL res = link();
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mAttribute.clear();
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U32 numAttributes = (attributes == NULL) ? 0 : attributes->size();
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mAttribute.resize(LLShaderMgr::instance()->mReservedAttribs.size() + numAttributes, -1);
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if (res)
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{ //read back channel locations
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//read back reserved channels first
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for (U32 i = 0; i < (S32) LLShaderMgr::instance()->mReservedAttribs.size(); i++)
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{
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const char* name = LLShaderMgr::instance()->mReservedAttribs[i].c_str();
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S32 index = glGetAttribLocationARB(mProgramObject, (const GLcharARB *)name);
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if (index != -1)
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{
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mAttribute[i] = index;
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LL_DEBUGS("ShaderLoading") << "Attribute " << name << " assigned to channel " << index << LL_ENDL;
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}
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}
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if (attributes != NULL)
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{
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for (U32 i = 0; i < numAttributes; i++)
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{
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const char* name = (*attributes)[i].c_str();
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S32 index = glGetAttribLocationARB(mProgramObject, name);
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if (index != -1)
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{
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mAttribute[LLShaderMgr::instance()->mReservedAttribs.size() + i] = index;
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LL_DEBUGS("ShaderLoading") << "Attribute " << name << " assigned to channel " << index << LL_ENDL;
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}
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}
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}
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return TRUE;
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}
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return FALSE;
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}
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void LLGLSLShader::mapUniform(GLint index, const vector<string> * uniforms)
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{
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if (index == -1)
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{
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return;
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}
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GLenum type;
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GLsizei length;
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GLint size;
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char name[1024]; /* Flawfinder: ignore */
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name[0] = 0;
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glGetActiveUniformARB(mProgramObject, index, 1024, &length, &size, &type, (GLcharARB *)name);
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S32 location = glGetUniformLocationARB(mProgramObject, name);
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if (location != -1)
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{
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//chop off "[0]" so we can always access the first element
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//of an array by the array name
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char* is_array = strstr(name, "[0]");
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if (is_array)
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{
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is_array[0] = 0;
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}
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mUniformMap[name] = location;
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LL_DEBUGS("ShaderLoading") << "Uniform " << name << " is at location " << location << LL_ENDL;
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//find the index of this uniform
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for (S32 i = 0; i < (S32) LLShaderMgr::instance()->mReservedUniforms.size(); i++)
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{
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if ( (mUniform[i] == -1)
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&& (LLShaderMgr::instance()->mReservedUniforms[i] == name))
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{
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//found it
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mUniform[i] = location;
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mTexture[i] = mapUniformTextureChannel(location, type);
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return;
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}
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}
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if (uniforms != NULL)
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{
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for (U32 i = 0; i < uniforms->size(); i++)
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{
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if ( (mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] == -1)
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&& ((*uniforms)[i] == name))
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{
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//found it
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mUniform[i+LLShaderMgr::instance()->mReservedUniforms.size()] = location;
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mTexture[i+LLShaderMgr::instance()->mReservedUniforms.size()] = mapUniformTextureChannel(location, type);
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return;
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}
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}
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}
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}
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}
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GLint LLGLSLShader::mapUniformTextureChannel(GLint location, GLenum type)
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{
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if (type >= GL_SAMPLER_1D_ARB && type <= GL_SAMPLER_2D_RECT_SHADOW_ARB /*||
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type == GL_SAMPLER_2D_MULTISAMPLE*/)
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{ //this here is a texture
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glUniform1iARB(location, mActiveTextureChannels);
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LL_DEBUGS("ShaderLoading") << "Assigned to texture channel " << mActiveTextureChannels << LL_ENDL;
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return mActiveTextureChannels++;
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}
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return -1;
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}
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BOOL LLGLSLShader::mapUniforms(const vector<string> * uniforms)
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{
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BOOL res = TRUE;
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mActiveTextureChannels = 0;
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mUniform.clear();
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mUniformMap.clear();
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mTexture.clear();
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mValue.clear();
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//initialize arrays
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U32 numUniforms = (uniforms == NULL) ? 0 : uniforms->size();
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mUniform.resize(numUniforms + LLShaderMgr::instance()->mReservedUniforms.size(), -1);
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mTexture.resize(numUniforms + LLShaderMgr::instance()->mReservedUniforms.size(), -1);
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bind();
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//get the number of active uniforms
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GLint activeCount;
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glGetObjectParameterivARB(mProgramObject, GL_OBJECT_ACTIVE_UNIFORMS_ARB, &activeCount);
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for (S32 i = 0; i < activeCount; i++)
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{
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mapUniform(i, uniforms);
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}
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unbind();
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return res;
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}
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BOOL LLGLSLShader::link(BOOL suppress_errors)
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{
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return LLShaderMgr::instance()->linkProgramObject(mProgramObject, suppress_errors);
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}
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void LLGLSLShader::bind()
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{
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gGL.flush();
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if (gGLManager.mHasShaderObjects)
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{
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LLVertexBuffer::unbind();
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glUseProgramObjectARB(mProgramObject);
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sCurBoundShader = mProgramObject;
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sCurBoundShaderPtr = this;
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if (mUniformsDirty)
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{
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LLShaderMgr::instance()->updateShaderUniforms(this);
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mUniformsDirty = FALSE;
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}
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}
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}
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void LLGLSLShader::unbind()
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{
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gGL.flush();
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if (gGLManager.mHasShaderObjects)
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{
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stop_glerror();
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if (gGLManager.mIsNVIDIA)
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{
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for (U32 i = 0; i < mAttribute.size(); ++i)
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{
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vertexAttrib4f(i, 0,0,0,1);
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stop_glerror();
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}
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}
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LLVertexBuffer::unbind();
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glUseProgramObjectARB(0);
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sCurBoundShader = 0;
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sCurBoundShaderPtr = NULL;
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stop_glerror();
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}
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}
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void LLGLSLShader::bindNoShader(void)
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{
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LLVertexBuffer::unbind();
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if (gGLManager.mHasShaderObjects)
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{
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glUseProgramObjectARB(0);
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sCurBoundShader = 0;
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sCurBoundShaderPtr = NULL;
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}
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}
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S32 LLGLSLShader::enableTexture(S32 uniform, LLTexUnit::eTextureType mode)
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{
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if (uniform < 0 || uniform >= (S32)mTexture.size())
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{
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UNIFORM_ERRS << "Uniform out of range: " << uniform << LL_ENDL;
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return -1;
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}
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S32 index = mTexture[uniform];
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if (index != -1)
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{
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gGL.getTexUnit(index)->activate();
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gGL.getTexUnit(index)->enable(mode);
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}
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return index;
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}
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S32 LLGLSLShader::disableTexture(S32 uniform, LLTexUnit::eTextureType mode)
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{
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if (uniform < 0 || uniform >= (S32)mTexture.size())
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{
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UNIFORM_ERRS << "Uniform out of range: " << uniform << LL_ENDL;
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return -1;
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}
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S32 index = mTexture[uniform];
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if (index != -1 && gGL.getTexUnit(index)->getCurrType() != LLTexUnit::TT_NONE)
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{
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if (gDebugGL && gGL.getTexUnit(index)->getCurrType() != mode)
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{
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if (gDebugSession)
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{
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gFailLog << "Texture channel " << index << " texture type corrupted." << std::endl;
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ll_fail("LLGLSLShader::disableTexture failed");
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}
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else
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{
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llerrs << "Texture channel " << index << " texture type corrupted." << llendl;
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}
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}
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gGL.getTexUnit(index)->disable();
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}
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return index;
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}
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void LLGLSLShader::uniform1i(U32 index, GLint x)
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{
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if (mProgramObject > 0)
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{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
if (iter == mValue.end() || iter->second.mV[0] != x)
|
|
{
|
|
glUniform1iARB(mUniform[index], x);
|
|
mValue[mUniform[index]] = LLVector4(x,0.f,0.f,0.f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform1f(U32 index, GLfloat x)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
if (iter == mValue.end() || iter->second.mV[0] != x)
|
|
{
|
|
glUniform1fARB(mUniform[index], x);
|
|
mValue[mUniform[index]] = LLVector4(x,0.f,0.f,0.f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform2f(U32 index, GLfloat x, GLfloat y)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(x,y,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform2fARB(mUniform[index], x, y);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform3f(U32 index, GLfloat x, GLfloat y, GLfloat z)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(x,y,z,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform3fARB(mUniform[index], x, y, z);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(x,y,z,w);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform4fARB(mUniform[index], x, y, z, w);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform1iv(U32 index, U32 count, const GLint* v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(v[0],0.f,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform1ivARB(mUniform[index], count, v);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform1fv(U32 index, U32 count, const GLfloat* v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(v[0],0.f,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform1fvARB(mUniform[index], count, v);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform2fv(U32 index, U32 count, const GLfloat* v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(v[0],v[1],0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform2fvARB(mUniform[index], count, v);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform3fv(U32 index, U32 count, const GLfloat* v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(v[0],v[1],v[2],0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform3fvARB(mUniform[index], count, v);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform4fv(U32 index, U32 count, const GLfloat* v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(mUniform[index]);
|
|
LLVector4 vec(v[0],v[1],v[2],v[3]);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform4fvARB(mUniform[index], count, v);
|
|
mValue[mUniform[index]] = vec;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniformMatrix2fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
glUniformMatrix2fvARB(mUniform[index], count, transpose, v);
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniformMatrix3fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
glUniformMatrix3fvARB(mUniform[index], count, transpose, v);
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v)
|
|
{
|
|
if (mProgramObject > 0)
|
|
{
|
|
if (mUniform.size() <= index)
|
|
{
|
|
UNIFORM_ERRS << "Uniform index out of bounds." << LL_ENDL;
|
|
return;
|
|
}
|
|
|
|
if (mUniform[index] >= 0)
|
|
{
|
|
glUniformMatrix4fvARB(mUniform[index], count, transpose, v);
|
|
}
|
|
}
|
|
}
|
|
|
|
GLint LLGLSLShader::getUniformLocation(const string& uniform)
|
|
{
|
|
GLint ret = -1;
|
|
if (mProgramObject > 0)
|
|
{
|
|
std::map<string, GLint>::iterator iter = mUniformMap.find(uniform);
|
|
if (iter != mUniformMap.end())
|
|
{
|
|
if (gDebugGL)
|
|
{
|
|
stop_glerror();
|
|
if (iter->second != glGetUniformLocationARB(mProgramObject, uniform.c_str()))
|
|
{
|
|
llerrs << "Uniform does not match." << llendl;
|
|
}
|
|
stop_glerror();
|
|
}
|
|
ret = iter->second;
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
GLint LLGLSLShader::getUniformLocation(U32 index)
|
|
{
|
|
GLint ret = -1;
|
|
if (mProgramObject > 0)
|
|
{
|
|
llassert(index < mUniform.size());
|
|
return mUniform[index];
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
GLint LLGLSLShader::getAttribLocation(U32 attrib)
|
|
{
|
|
if (attrib < mAttribute.size())
|
|
{
|
|
return mAttribute[attrib];
|
|
}
|
|
else
|
|
{
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform1i(const string& uniform, GLint v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(v,0.f,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform1iARB(location, v);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform1f(const string& uniform, GLfloat v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(v,0.f,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform1fARB(location, v);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform2f(const string& uniform, GLfloat x, GLfloat y)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(x,y,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform2fARB(location, x,y);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void LLGLSLShader::uniform3f(const string& uniform, GLfloat x, GLfloat y, GLfloat z)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(x,y,z,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform3fARB(location, x,y,z);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform4f(const string& uniform, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(x,y,z,w);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec))
|
|
{
|
|
glUniform4fARB(location, x,y,z,w);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform1fv(const string& uniform, U32 count, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(v[0],0.f,0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform1fvARB(location, count, v);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform2fv(const string& uniform, U32 count, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(v[0],v[1],0.f,0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform2fvARB(location, count, v);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform3fv(const string& uniform, U32 count, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
std::map<GLint, LLVector4>::iterator iter = mValue.find(location);
|
|
LLVector4 vec(v[0],v[1],v[2],0.f);
|
|
if (iter == mValue.end() || shouldChange(iter->second,vec) || count != 1)
|
|
{
|
|
glUniform3fvARB(location, count, v);
|
|
mValue[location] = vec;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniform4fv(const string& uniform, U32 count, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
LLVector4 vec(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;
|
|
}
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniformMatrix2fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
glUniformMatrix2fvARB(location, count, transpose, v);
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniformMatrix3fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
glUniformMatrix3fvARB(location, count, transpose, v);
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::uniformMatrix4fv(const string& uniform, U32 count, GLboolean transpose, const GLfloat* v)
|
|
{
|
|
GLint location = getUniformLocation(uniform);
|
|
|
|
if (location >= 0)
|
|
{
|
|
stop_glerror();
|
|
glUniformMatrix4fvARB(location, count, transpose, v);
|
|
stop_glerror();
|
|
}
|
|
}
|
|
|
|
|
|
void LLGLSLShader::vertexAttrib4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
|
|
{
|
|
if (mAttribute[index] > 0)
|
|
{
|
|
glVertexAttrib4fARB(mAttribute[index], x, y, z, w);
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::vertexAttrib4fv(U32 index, GLfloat* v)
|
|
{
|
|
if (mAttribute[index] > 0)
|
|
{
|
|
glVertexAttrib4fvARB(mAttribute[index], v);
|
|
}
|
|
}
|
|
|
|
void LLGLSLShader::setMinimumAlpha(F32 minimum)
|
|
{
|
|
gGL.flush();
|
|
uniform1f(LLShaderMgr::MINIMUM_ALPHA, minimum);
|
|
}
|