diff options
Diffstat (limited to 'indra/llrender/llglslshader.h')
| -rwxr-xr-x[-rw-r--r--] | indra/llrender/llglslshader.h | 155 |
1 files changed, 111 insertions, 44 deletions
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h index 166d4af04c..5abddf274b 100644..100755 --- a/indra/llrender/llglslshader.h +++ b/indra/llrender/llglslshader.h @@ -2,31 +2,25 @@ * @file llglslshader.h * @brief GLSL shader wrappers * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -35,21 +29,29 @@ #include "llgl.h" #include "llrender.h" +#include "llstaticstringtable.h" class LLShaderFeatures { public: + bool atmosphericHelpers; bool calculatesLighting; bool calculatesAtmospherics; bool hasLighting; // implies no transport (it's possible to have neither though) + bool isAlphaLighting; // indicates lighting shaders need not be linked in (lighting performed directly in alpha shader to match deferred lighting functions) bool isShiny; bool isFullbright; // implies no lighting bool isSpecular; bool hasWaterFog; // implies no gamma bool hasTransport; // implies no lighting (it's possible to have neither though) bool hasSkinning; + bool hasObjectSkinning; bool hasAtmospherics; bool hasGamma; + S32 mIndexedTextureChannels; + bool disableTextureIndex; + bool hasAlphaMask; + bool attachNothing; // char numLights; @@ -67,17 +69,39 @@ public: SG_WATER }; + static std::set<LLGLSLShader*> sInstances; + static bool sProfileEnabled; + LLGLSLShader(); + ~LLGLSLShader(); + + static GLhandleARB sCurBoundShader; + static LLGLSLShader* sCurBoundShaderPtr; + static S32 sIndexedTextureChannels; + static bool sNoFixedFunction; + + static void initProfile(); + static void finishProfile(bool emit_report = true); + + static void startProfile(); + static void stopProfile(U32 count, U32 mode); void unload(); - BOOL createShader(std::vector<std::string> * attributes, - std::vector<std::string> * uniforms); + void clearStats(); + void dumpStats(); + void placeProfileQuery(); + void readProfileQuery(U32 count, U32 mode); + + BOOL createShader(std::vector<LLStaticHashedString> * attributes, + std::vector<LLStaticHashedString> * uniforms, + U32 varying_count = 0, + const char** varyings = NULL); BOOL attachObject(std::string object); void attachObject(GLhandleARB object); void attachObjects(GLhandleARB* objects = NULL, S32 count = 0); - BOOL mapAttributes(const std::vector<std::string> * attributes); - BOOL mapUniforms(const std::vector<std::string> * uniforms); - void mapUniform(GLint index, const std::vector<std::string> * uniforms); + BOOL mapAttributes(const std::vector<LLStaticHashedString> * attributes); + BOOL mapUniforms(const std::vector<LLStaticHashedString> *); + void mapUniform(GLint index, const std::vector<LLStaticHashedString> *); void uniform1i(U32 index, GLint i); void uniform1f(U32 index, GLfloat v); void uniform2f(U32 index, GLfloat x, GLfloat y); @@ -88,37 +112,48 @@ public: void uniform2fv(U32 index, U32 count, const GLfloat* v); void uniform3fv(U32 index, U32 count, const GLfloat* v); void uniform4fv(U32 index, U32 count, const GLfloat* v); - void uniform1i(const std::string& uniform, GLint i); - void uniform1f(const std::string& uniform, GLfloat v); - void uniform2f(const std::string& uniform, GLfloat x, GLfloat y); - void uniform3f(const std::string& uniform, GLfloat x, GLfloat y, GLfloat z); - void uniform4f(const std::string& uniform, GLfloat x, GLfloat y, GLfloat z, GLfloat w); - void uniform1iv(const std::string& uniform, U32 count, const GLint* i); - void uniform1fv(const std::string& uniform, U32 count, const GLfloat* v); - void uniform2fv(const std::string& uniform, U32 count, const GLfloat* v); - void uniform3fv(const std::string& uniform, U32 count, const GLfloat* v); - void uniform4fv(const std::string& uniform, U32 count, const GLfloat* v); + void uniform2i(const LLStaticHashedString& uniform, GLint i, GLint j); void uniformMatrix2fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v); void uniformMatrix3fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v); void uniformMatrix4fv(U32 index, U32 count, GLboolean transpose, const GLfloat *v); - void uniformMatrix2fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v); - void uniformMatrix3fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v); - void uniformMatrix4fv(const std::string& uniform, U32 count, GLboolean transpose, const GLfloat *v); + void uniform1i(const LLStaticHashedString& uniform, GLint i); + void uniform1f(const LLStaticHashedString& uniform, GLfloat v); + void uniform2f(const LLStaticHashedString& uniform, GLfloat x, GLfloat y); + void uniform3f(const LLStaticHashedString& uniform, GLfloat x, GLfloat y, GLfloat z); + void uniform1fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v); + void uniform2fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v); + void uniform3fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v); + void uniform4fv(const LLStaticHashedString& uniform, U32 count, const GLfloat* v); + void uniformMatrix4fv(const LLStaticHashedString& uniform, U32 count, GLboolean transpose, const GLfloat *v); + + void setMinimumAlpha(F32 minimum); void vertexAttrib4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); void vertexAttrib4fv(U32 index, GLfloat* v); - GLint getUniformLocation(const std::string& uniform); - + //GLint getUniformLocation(const std::string& uniform); + GLint getUniformLocation(const LLStaticHashedString& uniform); + GLint getUniformLocation(U32 index); + + GLint getAttribLocation(U32 attrib); GLint mapUniformTextureChannel(GLint location, GLenum type); - + void addPermutation(std::string name, std::string value); + void removePermutation(std::string name); + //enable/disable texture channel for specified uniform //if given texture uniform is active in the shader, //the corresponding channel will be active upon return //returns channel texture is enabled in from [0-MAX) S32 enableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); - S32 disableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); + S32 disableTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); + + // bindTexture returns the texture unit we've bound the texture to. + // You can reuse the return value to unbind a texture when required. + S32 bindTexture(const std::string& uniform, LLTexture *texture, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); + S32 bindTexture(S32 uniform, LLTexture *texture, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); + S32 unbindTexture(const std::string& uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); + S32 unbindTexture(S32 uniform, LLTexUnit::eTextureType mode = LLTexUnit::TT_TEXTURE); BOOL link(BOOL suppress_errors = FALSE); void bind(); @@ -127,12 +162,18 @@ public: // Unbinds any previously bound shader by explicitly binding no shader. static void bindNoShader(void); + U32 mMatHash[LLRender::NUM_MATRIX_MODES]; + U32 mLightHash; + GLhandleARB mProgramObject; std::vector<GLint> mAttribute; //lookup table of attribute enum to attribute channel + U32 mAttributeMask; //mask of which reserved attributes are set (lines up with LLVertexBuffer::getTypeMask()) std::vector<GLint> mUniform; //lookup table of uniform enum to uniform location - std::map<std::string, GLint> mUniformMap; //lookup map of uniform name to uniform location + LLStaticStringTable<GLint> mUniformMap; //lookup map of uniform name to uniform location + std::map<GLint, std::string> mUniformNameMap; //lookup map of uniform location to uniform name std::map<GLint, LLVector4> mValue; //lookup map of uniform location to last known value std::vector<GLint> mTexture; + S32 mTotalUniformSize; S32 mActiveTextureChannels; S32 mShaderLevel; S32 mShaderGroup; @@ -140,6 +181,32 @@ public: LLShaderFeatures mFeatures; std::vector< std::pair< std::string, GLenum > > mShaderFiles; std::string mName; + boost::unordered_map<std::string, std::string> mDefines; + + //statistcis for profiling shader performance + U32 mTimerQuery; + U32 mSamplesQuery; + U64 mTimeElapsed; + static U64 sTotalTimeElapsed; + U32 mTrianglesDrawn; + static U32 sTotalTrianglesDrawn; + U64 mSamplesDrawn; + static U64 sTotalSamplesDrawn; + U32 mDrawCalls; + static U32 sTotalDrawCalls; + + bool mTextureStateFetched; + std::vector<U32> mTextureMagFilter; + std::vector<U32> mTextureMinFilter; + }; +//UI shader (declared here so llui_libtest will link properly) +extern LLGLSLShader gUIProgram; +//output vec4(color.rgb,color.a*tex0[tc0].a) +extern LLGLSLShader gSolidColorProgram; +//Alpha mask shader (declared here so llappearance can access properly) +extern LLGLSLShader gAlphaMaskProgram; + + #endif |