mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-12-12 21:41:48 +00:00
423 lines
11 KiB
C++
423 lines
11 KiB
C++
/*
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===========================================================================
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Doom 3 BFG Edition GPL Source Code
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Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
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Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#ifndef __RENDERPROGS_H__
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#define __RENDERPROGS_H__
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static const int PC_ATTRIB_INDEX_VERTEX = 0;
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static const int PC_ATTRIB_INDEX_NORMAL = 2;
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static const int PC_ATTRIB_INDEX_COLOR = 3;
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static const int PC_ATTRIB_INDEX_COLOR2 = 4;
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static const int PC_ATTRIB_INDEX_ST = 8;
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static const int PC_ATTRIB_INDEX_TANGENT = 9;
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// This enum list corresponds to the global constant register indecies as defined in global.inc for all
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// shaders. We used a shared pool to keeps things simple. If something changes here then it also
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// needs to change in global.inc and vice versa
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enum renderParm_t
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{
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// For backwards compatibility, do not change the order of the first 17 items
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RENDERPARM_SCREENCORRECTIONFACTOR = 0,
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RENDERPARM_WINDOWCOORD,
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RENDERPARM_DIFFUSEMODIFIER,
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RENDERPARM_SPECULARMODIFIER,
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RENDERPARM_LOCALLIGHTORIGIN,
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RENDERPARM_LOCALVIEWORIGIN,
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RENDERPARM_LIGHTPROJECTION_S,
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RENDERPARM_LIGHTPROJECTION_T,
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RENDERPARM_LIGHTPROJECTION_Q,
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RENDERPARM_LIGHTFALLOFF_S,
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RENDERPARM_BUMPMATRIX_S,
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RENDERPARM_BUMPMATRIX_T,
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RENDERPARM_DIFFUSEMATRIX_S,
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RENDERPARM_DIFFUSEMATRIX_T,
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RENDERPARM_SPECULARMATRIX_S,
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RENDERPARM_SPECULARMATRIX_T,
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RENDERPARM_VERTEXCOLOR_MODULATE,
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RENDERPARM_VERTEXCOLOR_ADD,
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// The following are new and can be in any order
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RENDERPARM_COLOR,
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RENDERPARM_VIEWORIGIN,
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RENDERPARM_GLOBALEYEPOS,
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RENDERPARM_MVPMATRIX_X,
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RENDERPARM_MVPMATRIX_Y,
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RENDERPARM_MVPMATRIX_Z,
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RENDERPARM_MVPMATRIX_W,
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RENDERPARM_MODELMATRIX_X,
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RENDERPARM_MODELMATRIX_Y,
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RENDERPARM_MODELMATRIX_Z,
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RENDERPARM_MODELMATRIX_W,
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RENDERPARM_PROJMATRIX_X,
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RENDERPARM_PROJMATRIX_Y,
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RENDERPARM_PROJMATRIX_Z,
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RENDERPARM_PROJMATRIX_W,
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RENDERPARM_MODELVIEWMATRIX_X,
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RENDERPARM_MODELVIEWMATRIX_Y,
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RENDERPARM_MODELVIEWMATRIX_Z,
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RENDERPARM_MODELVIEWMATRIX_W,
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RENDERPARM_TEXTUREMATRIX_S,
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RENDERPARM_TEXTUREMATRIX_T,
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RENDERPARM_TEXGEN_0_S,
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RENDERPARM_TEXGEN_0_T,
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RENDERPARM_TEXGEN_0_Q,
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RENDERPARM_TEXGEN_0_ENABLED,
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RENDERPARM_TEXGEN_1_S,
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RENDERPARM_TEXGEN_1_T,
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RENDERPARM_TEXGEN_1_Q,
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RENDERPARM_TEXGEN_1_ENABLED,
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RENDERPARM_WOBBLESKY_X,
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RENDERPARM_WOBBLESKY_Y,
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RENDERPARM_WOBBLESKY_Z,
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RENDERPARM_OVERBRIGHT,
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RENDERPARM_ENABLE_SKINNING,
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RENDERPARM_ALPHA_TEST,
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RENDERPARM_TOTAL,
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RENDERPARM_USER = 128,
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};
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struct glslUniformLocation_t
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{
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int parmIndex;
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GLint uniformIndex;
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};
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/*
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================================================================================================
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idRenderProgManager
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================================================================================================
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*/
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class idRenderProgManager
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{
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public:
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idRenderProgManager();
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virtual ~idRenderProgManager();
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void Init();
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void Shutdown();
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void SetRenderParm( renderParm_t rp, const float* value );
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void SetRenderParms( renderParm_t rp, const float* values, int numValues );
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int FindVertexShader( const char* name );
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int FindFragmentShader( const char* name );
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void BindShader( int vIndex, int fIndex );
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void BindShader_GUI( )
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{
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BindShader_Builtin( BUILTIN_GUI );
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}
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void BindShader_Color( )
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{
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BindShader_Builtin( BUILTIN_COLOR );
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}
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void BindShader_Texture( )
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{
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BindShader_Builtin( BUILTIN_TEXTURED );
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}
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void BindShader_TextureVertexColor()
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{
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BindShader_Builtin( BUILTIN_TEXTURE_VERTEXCOLOR );
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};
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void BindShader_TextureVertexColorSkinned()
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{
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BindShader_Builtin( BUILTIN_TEXTURE_VERTEXCOLOR_SKINNED );
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};
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void BindShader_TextureTexGenVertexColor()
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{
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BindShader_Builtin( BUILTIN_TEXTURE_TEXGEN_VERTEXCOLOR );
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};
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void BindShader_Interaction()
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{
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BindShader_Builtin( BUILTIN_INTERACTION );
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}
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void BindShader_InteractionSkinned()
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{
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BindShader_Builtin( BUILTIN_INTERACTION_SKINNED );
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}
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void BindShader_InteractionAmbient()
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{
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BindShader_Builtin( BUILTIN_INTERACTION_AMBIENT );
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}
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void BindShader_InteractionAmbientSkinned()
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{
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BindShader_Builtin( BUILTIN_INTERACTION_AMBIENT_SKINNED );
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}
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void BindShader_SimpleShade()
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{
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BindShader_Builtin( BUILTIN_SIMPLESHADE );
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}
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void BindShader_Environment()
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{
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BindShader_Builtin( BUILTIN_ENVIRONMENT );
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}
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void BindShader_EnvironmentSkinned()
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{
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BindShader_Builtin( BUILTIN_ENVIRONMENT_SKINNED );
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}
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void BindShader_BumpyEnvironment()
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{
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BindShader_Builtin( BUILTIN_BUMPY_ENVIRONMENT );
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}
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void BindShader_BumpyEnvironmentSkinned()
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{
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BindShader_Builtin( BUILTIN_BUMPY_ENVIRONMENT_SKINNED );
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}
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void BindShader_Depth()
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{
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BindShader_Builtin( BUILTIN_DEPTH );
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}
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void BindShader_DepthSkinned()
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{
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BindShader_Builtin( BUILTIN_DEPTH_SKINNED );
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}
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void BindShader_Shadow()
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{
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BindShader( builtinShaders[BUILTIN_SHADOW], -1 );
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}
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void BindShader_ShadowSkinned()
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{
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BindShader( builtinShaders[BUILTIN_SHADOW_SKINNED], -1 );
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}
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void BindShader_ShadowDebug()
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{
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BindShader_Builtin( BUILTIN_SHADOW_DEBUG );
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}
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void BindShader_ShadowDebugSkinned()
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{
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BindShader_Builtin( BUILTIN_SHADOW_DEBUG_SKINNED );
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}
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void BindShader_BlendLight()
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{
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BindShader_Builtin( BUILTIN_BLENDLIGHT );
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}
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void BindShader_Fog()
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{
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BindShader_Builtin( BUILTIN_FOG );
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}
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void BindShader_FogSkinned()
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{
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BindShader_Builtin( BUILTIN_FOG_SKINNED );
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}
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void BindShader_SkyBox()
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{
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BindShader_Builtin( BUILTIN_SKYBOX );
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}
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void BindShader_WobbleSky()
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{
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BindShader_Builtin( BUILTIN_WOBBLESKY );
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}
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void BindShader_StereoDeGhost()
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{
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BindShader_Builtin( BUILTIN_STEREO_DEGHOST );
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}
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void BindShader_StereoWarp()
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{
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BindShader_Builtin( BUILTIN_STEREO_WARP );
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}
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void BindShader_StereoInterlace()
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{
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BindShader_Builtin( BUILTIN_STEREO_INTERLACE );
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}
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void BindShader_PostProcess()
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{
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BindShader_Builtin( BUILTIN_POSTPROCESS );
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}
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void BindShader_ZCullReconstruct()
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{
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BindShader_Builtin( BUILTIN_ZCULL_RECONSTRUCT );
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}
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void BindShader_Bink()
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{
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BindShader_Builtin( BUILTIN_BINK );
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}
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void BindShader_BinkGUI()
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{
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BindShader_Builtin( BUILTIN_BINK_GUI );
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}
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void BindShader_MotionBlur()
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{
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BindShader_Builtin( BUILTIN_MOTION_BLUR );
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}
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// the joints buffer should only be bound for vertex programs that use joints
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bool ShaderUsesJoints() const
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{
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return vertexShaders[currentVertexShader].usesJoints;
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}
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// the rpEnableSkinning render parm should only be set for vertex programs that use it
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bool ShaderHasOptionalSkinning() const
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{
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return vertexShaders[currentVertexShader].optionalSkinning;
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}
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// unbind the currently bound render program
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void Unbind();
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// this should only be called via the reload shader console command
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void LoadAllShaders();
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void KillAllShaders();
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static const int MAX_GLSL_USER_PARMS = 8;
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const char* GetGLSLParmName( int rp ) const;
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int GetGLSLCurrentProgram() const
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{
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return currentRenderProgram;
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}
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void SetUniformValue( const renderParm_t rp, const float* value );
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void CommitUniforms();
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int FindGLSLProgram( const char* name, int vIndex, int fIndex );
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void ZeroUniforms();
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protected:
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void LoadVertexShader( int index );
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void LoadFragmentShader( int index );
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enum
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{
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BUILTIN_GUI,
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BUILTIN_COLOR,
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BUILTIN_SIMPLESHADE,
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BUILTIN_TEXTURED,
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BUILTIN_TEXTURE_VERTEXCOLOR,
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BUILTIN_TEXTURE_VERTEXCOLOR_SKINNED,
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BUILTIN_TEXTURE_TEXGEN_VERTEXCOLOR,
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BUILTIN_INTERACTION,
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BUILTIN_INTERACTION_SKINNED,
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BUILTIN_INTERACTION_AMBIENT,
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BUILTIN_INTERACTION_AMBIENT_SKINNED,
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BUILTIN_ENVIRONMENT,
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BUILTIN_ENVIRONMENT_SKINNED,
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BUILTIN_BUMPY_ENVIRONMENT,
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BUILTIN_BUMPY_ENVIRONMENT_SKINNED,
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BUILTIN_DEPTH,
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BUILTIN_DEPTH_SKINNED,
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BUILTIN_SHADOW,
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BUILTIN_SHADOW_SKINNED,
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BUILTIN_SHADOW_DEBUG,
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BUILTIN_SHADOW_DEBUG_SKINNED,
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BUILTIN_BLENDLIGHT,
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BUILTIN_FOG,
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BUILTIN_FOG_SKINNED,
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BUILTIN_SKYBOX,
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BUILTIN_WOBBLESKY,
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BUILTIN_POSTPROCESS,
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BUILTIN_STEREO_DEGHOST,
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BUILTIN_STEREO_WARP,
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BUILTIN_ZCULL_RECONSTRUCT,
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BUILTIN_BINK,
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BUILTIN_BINK_GUI,
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BUILTIN_STEREO_INTERLACE,
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BUILTIN_MOTION_BLUR,
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MAX_BUILTINS
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};
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int builtinShaders[MAX_BUILTINS];
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void BindShader_Builtin( int i )
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{
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BindShader( builtinShaders[i], builtinShaders[i] );
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}
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GLuint LoadShader( GLenum target, const char* name, const char* startToken );
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bool CompileGLSL( GLenum target, const char* name );
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GLuint LoadGLSLShader( GLenum target, const char* name, idList<int>& uniforms );
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void LoadGLSLProgram( const int programIndex, const int vertexShaderIndex, const int fragmentShaderIndex );
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static const GLuint INVALID_PROGID = 0xFFFFFFFF;
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struct vertexShader_t
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{
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vertexShader_t() : progId( INVALID_PROGID ), usesJoints( false ), optionalSkinning( false ) {}
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idStr name;
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GLuint progId;
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bool usesJoints;
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bool optionalSkinning;
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idList<int> uniforms;
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};
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struct fragmentShader_t
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{
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fragmentShader_t() : progId( INVALID_PROGID ) {}
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idStr name;
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GLuint progId;
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idList<int> uniforms;
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};
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struct glslProgram_t
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{
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glslProgram_t() : progId( INVALID_PROGID ),
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vertexShaderIndex( -1 ),
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fragmentShaderIndex( -1 ),
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vertexUniformArray( -1 ),
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fragmentUniformArray( -1 ) {}
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idStr name;
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GLuint progId;
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int vertexShaderIndex;
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int fragmentShaderIndex;
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GLint vertexUniformArray;
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GLint fragmentUniformArray;
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idList<glslUniformLocation_t> uniformLocations;
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};
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int currentRenderProgram;
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idList<glslProgram_t, TAG_RENDER> glslPrograms;
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idStaticList < idVec4, RENDERPARM_USER + MAX_GLSL_USER_PARMS > glslUniforms;
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int currentVertexShader;
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int currentFragmentShader;
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idList<vertexShader_t, TAG_RENDER> vertexShaders;
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idList<fragmentShader_t, TAG_RENDER> fragmentShaders;
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};
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extern idRenderProgManager renderProgManager;
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#endif
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