From b2afb8800bb033a04bb3ecdf0363068d56648ef1 Mon Sep 17 00:00:00 2001 From: Jacek Antonelli Date: Fri, 15 Aug 2008 23:44:54 -0500 Subject: Second Life viewer sources 1.15.0.2 --- linden/indra/newview/llglslshader.h | 232 ++++++++++++++++++++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 linden/indra/newview/llglslshader.h (limited to 'linden/indra/newview/llglslshader.h') diff --git a/linden/indra/newview/llglslshader.h b/linden/indra/newview/llglslshader.h new file mode 100644 index 0000000..bbf91a8 --- /dev/null +++ b/linden/indra/newview/llglslshader.h @@ -0,0 +1,232 @@ +/** + * @file llglslshader.h + * @brief GLSL shader wrappers + * + * Copyright (c) 2001-2007, Linden Research, Inc. + * + * 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://secondlife.com/developers/opensource/gplv2 + * + * 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://secondlife.com/developers/opensource/flossexception + * + * 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. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + */ + +#ifndef LL_LLGLSLSHADER_H +#define LL_LLGLSLSHADER_H + +#include "llgl.h" + +class LLGLSLShader +{ +public: + LLGLSLShader(); + + void unload(); + void attachObject(GLhandleARB object); + void attachObjects(GLhandleARB* objects = NULL, S32 count = 0); + BOOL mapAttributes(const char** attrib_names = NULL, S32 count = 0); + BOOL mapUniforms(const char** uniform_names = NULL, S32 count = 0); + void mapUniform(GLint index, const char** uniform_names = NULL, S32 count = 0); + void vertexAttrib4f(U32 index, GLfloat x, GLfloat y, GLfloat z, GLfloat w); + void vertexAttrib4fv(U32 index, GLfloat* v); + + GLint mapUniformTextureChannel(GLint location, GLenum type); + + + //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, S32 mode = GL_TEXTURE_2D); + S32 disableTexture(S32 uniform, S32 mode = GL_TEXTURE_2D); + + BOOL link(BOOL suppress_errors = FALSE); + void bind(); + void unbind(); + + GLhandleARB mProgramObject; + std::vector mAttribute; + std::vector mUniform; + std::vector mTexture; + S32 mActiveTextureChannels; +}; + +class LLScatterShader +{ +public: + static void init(GLhandleARB shader, int map_stage); +}; + +class LLShaderMgr +{ +public: + static void setShaders(); + static void unloadShaders(); + static void dumpObjectLog(GLhandleARB ret, BOOL warns = TRUE); + static BOOL linkProgramObject(GLhandleARB obj, BOOL suppress_errors = FALSE); + static BOOL validateProgramObject(GLhandleARB obj); + static GLhandleARB loadShader(const LLString& filename, S32 cls, GLenum type); + static S32 getVertexShaderLevel(S32 type); + static S32 getMaxVertexShaderLevel(S32 type); + static BOOL loadShadersLighting(); + static BOOL loadShadersObject(); + static BOOL loadShadersAvatar(); + static BOOL loadShadersEnvironment(); + static BOOL loadShadersInterface(); + static S32 sVertexShaderLevel[]; + static S32 sMaxVertexShaderLevel[]; + //global (reserved slot) shader parameters + static const char* sReservedAttribs[]; + static U32 sReservedAttribCount; + + enum EShaderClass + { + SHADER_LIGHTING, + SHADER_OBJECT, + SHADER_AVATAR, + SHADER_ENVIRONMENT, + SHADER_INTERFACE, + SHADER_COUNT + }; + + typedef enum + { + MATERIAL_COLOR = 0, + SPECULAR_COLOR, + BINORMAL, + END_RESERVED_ATTRIBS + } eGLSLReservedAttribs; + + static const char* sReservedUniforms[]; + static U32 sReservedUniformCount; + + typedef enum + { + DIFFUSE_MAP = 0, + SPECULAR_MAP, + BUMP_MAP, + ENVIRONMENT_MAP, + END_RESERVED_UNIFORMS + } eGLSLReservedUniforms; + + static const char* sShinyUniforms[]; + static U32 sShinyUniformCount; + + typedef enum + { + SHINY_ORIGIN = END_RESERVED_UNIFORMS + } eShinyUniforms; + + //water parameters + static const char* sWaterUniforms[]; + static U32 sWaterUniformCount; + + typedef enum + { + WATER_SCREENTEX = END_RESERVED_UNIFORMS, + WATER_EYEVEC, + WATER_TIME, + WATER_WAVE_DIR1, + WATER_WAVE_DIR2, + WATER_LIGHT_DIR, + WATER_SPECULAR, + WATER_SPECULAR_EXP, + WATER_FBSCALE, + WATER_REFSCALE + } eWaterUniforms; + + //terrain parameters + static const char* sTerrainUniforms[]; + static U32 sTerrainUniformCount; + + typedef enum + { + TERRAIN_DETAIL0 = END_RESERVED_UNIFORMS, + TERRAIN_DETAIL1, + TERRAIN_ALPHARAMP + } eTerrainUniforms; + + //glow parameters + static const char* sGlowUniforms[]; + static U32 sGlowUniformCount; + + typedef enum + { + GLOW_DELTA = END_RESERVED_UNIFORMS + } eGlowUniforms; + + //avatar shader parameter tables + static const char* sAvatarAttribs[]; + static U32 sAvatarAttribCount; + + typedef enum + { + AVATAR_WEIGHT = END_RESERVED_ATTRIBS, + AVATAR_CLOTHING, + AVATAR_WIND, + AVATAR_SINWAVE, + AVATAR_GRAVITY + } eAvatarAttribs; + + static const char* sAvatarUniforms[]; + static U32 sAvatarUniformCount; + + typedef enum + { + AVATAR_MATRIX = END_RESERVED_UNIFORMS + } eAvatarUniforms; + +}; //LLSL + +//utility shader objects (not shader programs) +extern GLhandleARB gLightVertex; +extern GLhandleARB gLightFragment; +extern GLhandleARB gScatterVertex; +extern GLhandleARB gScatterFragment; + +extern LLVector4 gShinyOrigin; + +//object shaders +extern LLGLSLShader gObjectSimpleProgram; +extern LLGLSLShader gObjectAlphaProgram; +extern LLGLSLShader gObjectBumpProgram; +extern LLGLSLShader gObjectShinyProgram; + +//environment shaders +extern LLGLSLShader gTerrainProgram; +extern LLGLSLShader gGlowProgram; +extern LLGLSLShader gGroundProgram; +extern LLGLSLShader gWaterProgram; + +//interface shaders +extern LLGLSLShader gHighlightProgram; + +//avatar skinning utility shader object +extern GLhandleARB gAvatarSkinVertex; + +//avatar shader handles +extern LLGLSLShader gAvatarProgram; +extern LLGLSLShader gAvatarEyeballProgram; +extern LLGLSLShader gAvatarPickProgram; + +//current avatar shader parameter pointer +extern GLint gAvatarMatrixParam; +extern GLint gMaterialIndex; +extern GLint gSpecularIndex; + +#endif -- cgit v1.1