gfxGLEnumTranslate.cpp
Engine/source/gfx/gl/gfxGLEnumTranslate.cpp
Public Variables
GFXGLBlend [GFXBlend_COUNT]
GFXGLBlendOp [GFXBlendOp_COUNT]
GFXGLBufferType [GFXBufferType_COUNT]
GFXGLCmpFunc [GFXCmp_COUNT]
GFXGLCullMode [GFXCull_COUNT]
GFXGLFillMode [GFXFill_COUNT]
GFXGLPrimType [GFXPT_COUNT]
GFXGLSamplerState [GFXSAMP_COUNT]
GFXGLStencilOp [GFXStencilOp_COUNT]
GFXGLTextureAddress [GFXAddress_COUNT]
GFXGLTextureFilter [GFXTextureFilter_COUNT]
GFXGLTextureFormat [GFXFormat_COUNT]
GFXGLTextureInternalFormat [GFXFormat_COUNT]
GLint *
GFXGLTextureSwizzle [GFXFormat_COUNT]
GFXGLTextureType [GFXFormat_COUNT]
Detailed Description
Public Variables
GLenum GFXGLBlend [GFXBlend_COUNT]
GLenum GFXGLBlendOp [GFXBlendOp_COUNT]
GLenum GFXGLBufferType [GFXBufferType_COUNT]
GLenum GFXGLCmpFunc [GFXCmp_COUNT]
GLenum GFXGLCullMode [GFXCull_COUNT]
GLenum GFXGLFillMode [GFXFill_COUNT]
GLenum GFXGLPrimType [GFXPT_COUNT]
GLenum GFXGLSamplerState [GFXSAMP_COUNT]
GLenum GFXGLStencilOp [GFXStencilOp_COUNT]
GLenum GFXGLTextureAddress [GFXAddress_COUNT]
GLenum GFXGLTextureFilter [GFXTextureFilter_COUNT]
GLenum GFXGLTextureFormat [GFXFormat_COUNT]
GLenum GFXGLTextureInternalFormat [GFXFormat_COUNT]
GLint * GFXGLTextureSwizzle [GFXFormat_COUNT]
GLenum GFXGLTextureType [GFXFormat_COUNT]
1 2//----------------------------------------------------------------------------- 3// Copyright (c) 2012 GarageGames, LLC 4// 5// Permission is hereby granted, free of charge, to any person obtaining a copy 6// of this software and associated documentation files (the "Software"), to 7// deal in the Software without restriction, including without limitation the 8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 9// sell copies of the Software, and to permit persons to whom the Software is 10// furnished to do so, subject to the following conditions: 11// 12// The above copyright notice and this permission notice shall be included in 13// all copies or substantial portions of the Software. 14// 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21// IN THE SOFTWARE. 22//----------------------------------------------------------------------------- 23 24#include "platform/platform.h" 25#include "gfx/gl/gfxGLEnumTranslate.h" 26 27GLenum GFXGLPrimType[GFXPT_COUNT]; 28GLenum GFXGLBlend[GFXBlend_COUNT]; 29GLenum GFXGLBlendOp[GFXBlendOp_COUNT]; 30GLenum GFXGLSamplerState[GFXSAMP_COUNT]; 31GLenum GFXGLTextureFilter[GFXTextureFilter_COUNT]; 32GLenum GFXGLTextureAddress[GFXAddress_COUNT]; 33GLenum GFXGLCmpFunc[GFXCmp_COUNT]; 34GLenum GFXGLStencilOp[GFXStencilOp_COUNT]; 35GLenum GFXGLTextureInternalFormat[GFXFormat_COUNT]; 36GLenum GFXGLTextureFormat[GFXFormat_COUNT]; 37GLenum GFXGLTextureType[GFXFormat_COUNT]; 38GLint* GFXGLTextureSwizzle[GFXFormat_COUNT]; 39GLenum GFXGLBufferType[GFXBufferType_COUNT]; 40GLenum GFXGLCullMode[GFXCull_COUNT]; 41GLenum GFXGLFillMode[GFXFill_COUNT]; 42 43void GFXGLEnumTranslate::init() 44{ 45 // Buffer types 46 GFXGLBufferType[GFXBufferTypeStatic] = GL_STATIC_DRAW; 47 GFXGLBufferType[GFXBufferTypeDynamic] = GL_DYNAMIC_DRAW; 48 GFXGLBufferType[GFXBufferTypeVolatile] = GL_STREAM_DRAW; 49 GFXGLBufferType[GFXBufferTypeImmutable] = GL_STATIC_DRAW; 50 51 // Primitives 52 GFXGLPrimType[GFXPointList] = GL_POINTS; 53 GFXGLPrimType[GFXLineList] = GL_LINES; 54 GFXGLPrimType[GFXLineStrip] = GL_LINE_STRIP; 55 GFXGLPrimType[GFXTriangleList] = GL_TRIANGLES; 56 GFXGLPrimType[GFXTriangleStrip] = GL_TRIANGLE_STRIP; 57 58 // Blend 59 GFXGLBlend[GFXBlendZero] = GL_ZERO; 60 GFXGLBlend[GFXBlendOne] = GL_ONE; 61 GFXGLBlend[GFXBlendSrcColor] = GL_SRC_COLOR; 62 GFXGLBlend[GFXBlendInvSrcColor] = GL_ONE_MINUS_SRC_COLOR; 63 GFXGLBlend[GFXBlendSrcAlpha] = GL_SRC_ALPHA; 64 GFXGLBlend[GFXBlendInvSrcAlpha] = GL_ONE_MINUS_SRC_ALPHA; 65 GFXGLBlend[GFXBlendDestAlpha] = GL_DST_ALPHA; 66 GFXGLBlend[GFXBlendInvDestAlpha] = GL_ONE_MINUS_DST_ALPHA; 67 GFXGLBlend[GFXBlendDestColor] = GL_DST_COLOR; 68 GFXGLBlend[GFXBlendInvDestColor] = GL_ONE_MINUS_DST_COLOR; 69 GFXGLBlend[GFXBlendSrcAlphaSat] = GL_SRC_ALPHA_SATURATE; 70 71 // Blend op 72 GFXGLBlendOp[GFXBlendOpAdd] = GL_FUNC_ADD; 73 GFXGLBlendOp[GFXBlendOpSubtract] = GL_FUNC_SUBTRACT; 74 GFXGLBlendOp[GFXBlendOpRevSubtract] = GL_FUNC_REVERSE_SUBTRACT; 75 GFXGLBlendOp[GFXBlendOpMin] = GL_MIN; 76 GFXGLBlendOp[GFXBlendOpMax] = GL_MAX; 77 78 // Sampler 79 GFXGLSamplerState[GFXSAMPMagFilter] = GL_TEXTURE_MAG_FILTER; 80 GFXGLSamplerState[GFXSAMPMinFilter] = GL_TEXTURE_MIN_FILTER; 81 GFXGLSamplerState[GFXSAMPAddressU] = GL_TEXTURE_WRAP_S; 82 GFXGLSamplerState[GFXSAMPAddressV] = GL_TEXTURE_WRAP_T; 83 GFXGLSamplerState[GFXSAMPAddressW] = GL_TEXTURE_WRAP_R; 84 GFXGLSamplerState[GFXSAMPMipMapLODBias] = GL_TEXTURE_LOD_BIAS; 85 86 // Comparison 87 GFXGLCmpFunc[GFXCmpNever] = GL_NEVER; 88 GFXGLCmpFunc[GFXCmpLess] = GL_LESS; 89 GFXGLCmpFunc[GFXCmpEqual] = GL_EQUAL; 90 GFXGLCmpFunc[GFXCmpLessEqual] = GL_LEQUAL; 91 GFXGLCmpFunc[GFXCmpGreater] = GL_GREATER; 92 GFXGLCmpFunc[GFXCmpNotEqual] = GL_NOTEQUAL; 93 GFXGLCmpFunc[GFXCmpGreaterEqual] = GL_GEQUAL; 94 GFXGLCmpFunc[GFXCmpAlways] = GL_ALWAYS; 95 96 GFXGLTextureFilter[GFXTextureFilterNone] = GL_NEAREST; 97 GFXGLTextureFilter[GFXTextureFilterPoint] = GL_NEAREST; 98 GFXGLTextureFilter[GFXTextureFilterLinear] = GL_LINEAR; 99 100 GFXGLTextureFilter[GFXTextureFilterAnisotropic] = GL_LINEAR; 101 GFXGLTextureFilter[GFXTextureFilterPyramidalQuad] = GL_LINEAR; 102 GFXGLTextureFilter[GFXTextureFilterGaussianQuad] = GL_LINEAR; 103 104 GFXGLTextureAddress[GFXAddressWrap] = GL_REPEAT; 105 GFXGLTextureAddress[GFXAddressMirror] = GL_REPEAT; 106 GFXGLTextureAddress[GFXAddressClamp] = GL_CLAMP_TO_EDGE; 107 GFXGLTextureAddress[GFXAddressBorder] = GL_REPEAT; 108 GFXGLTextureAddress[GFXAddressMirrorOnce] = GL_REPEAT; 109 110 // Stencil ops 111 GFXGLStencilOp[GFXStencilOpKeep] = GL_KEEP; 112 GFXGLStencilOp[GFXStencilOpZero] = GL_ZERO; 113 GFXGLStencilOp[GFXStencilOpReplace] = GL_REPLACE; 114 GFXGLStencilOp[GFXStencilOpIncrSat] = GL_INCR; 115 GFXGLStencilOp[GFXStencilOpDecrSat] = GL_DECR; 116 GFXGLStencilOp[GFXStencilOpInvert] = GL_INVERT; 117 118 GFXGLStencilOp[GFXStencilOpIncr] = GL_INCR_WRAP; 119 GFXGLStencilOp[GFXStencilOpDecr] = GL_DECR_WRAP; 120 121 122 // Texture formats 123 for(int i = 0; i < GFXFormat_COUNT; ++i) 124 { 125 GFXGLTextureInternalFormat[i] = GL_NONE; 126 GFXGLTextureFormat[i] = GL_NONE; 127 GFXGLTextureType[i] = GL_NONE; 128 GFXGLTextureSwizzle[i] = NULL; 129 } 130 131 GFXGLTextureInternalFormat[GFXFormatA8] = GL_R8; 132 GFXGLTextureInternalFormat[GFXFormatL8] = GL_R8; 133 GFXGLTextureInternalFormat[GFXFormatR5G5B5A1] = GL_RGB5_A1; 134 GFXGLTextureInternalFormat[GFXFormatR5G5B5X1] = GL_RGB5_A1; 135 GFXGLTextureInternalFormat[GFXFormatL16] = GL_R16; 136 GFXGLTextureInternalFormat[GFXFormatD16] = GL_DEPTH_COMPONENT16; 137 GFXGLTextureInternalFormat[GFXFormatR8G8B8] = GL_RGB8; 138 GFXGLTextureInternalFormat[GFXFormatR8G8B8A8] = GL_RGBA8; 139 GFXGLTextureInternalFormat[GFXFormatR8G8B8X8] = GL_RGBA8; 140 GFXGLTextureInternalFormat[GFXFormatB8G8R8A8] = GL_RGBA8; 141 GFXGLTextureInternalFormat[GFXFormatR10G10B10A2] = GL_RGB10_A2; 142 GFXGLTextureInternalFormat[GFXFormatD32] = GL_DEPTH_COMPONENT32; 143 GFXGLTextureInternalFormat[GFXFormatD24X8] = GL_DEPTH24_STENCIL8; 144 GFXGLTextureInternalFormat[GFXFormatD24S8] = GL_DEPTH24_STENCIL8; 145 GFXGLTextureInternalFormat[GFXFormatR16G16B16A16] = GL_RGBA16; 146 GFXGLTextureInternalFormat[GFXFormatDXT1] = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; 147 GFXGLTextureInternalFormat[GFXFormatDXT2] = GL_ZERO; 148 GFXGLTextureInternalFormat[GFXFormatDXT3] = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; 149 GFXGLTextureInternalFormat[GFXFormatDXT4] = GL_ZERO; 150 GFXGLTextureInternalFormat[GFXFormatDXT5] = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; 151 152 GFXGLTextureFormat[GFXFormatA8] = GL_RED; 153 GFXGLTextureFormat[GFXFormatL8] = GL_RED; 154 GFXGLTextureFormat[GFXFormatR5G5B5A1] = GL_RGBA; 155 GFXGLTextureFormat[GFXFormatR5G5B5X1] = GL_RGBA; 156 GFXGLTextureFormat[GFXFormatL16] = GL_RED; 157 GFXGLTextureFormat[GFXFormatD16] = GL_DEPTH_COMPONENT; 158 GFXGLTextureFormat[GFXFormatR8G8B8] = GL_RGB; 159 GFXGLTextureFormat[GFXFormatR8G8B8A8] = GL_RGBA; 160 GFXGLTextureFormat[GFXFormatR8G8B8X8] = GL_RGBA; 161 GFXGLTextureFormat[GFXFormatB8G8R8A8] = GL_BGRA; 162 GFXGLTextureFormat[GFXFormatR10G10B10A2] = GL_RGBA; 163 GFXGLTextureFormat[GFXFormatD32] = GL_DEPTH_COMPONENT; 164 GFXGLTextureFormat[GFXFormatD24X8] = GL_DEPTH_STENCIL; 165 GFXGLTextureFormat[GFXFormatD24S8] = GL_DEPTH_STENCIL; 166 GFXGLTextureFormat[GFXFormatR16G16B16A16] = GL_RGBA; 167 GFXGLTextureFormat[GFXFormatDXT1] = GL_RGBA; 168 GFXGLTextureFormat[GFXFormatDXT2] = GL_ZERO; 169 GFXGLTextureFormat[GFXFormatDXT3] = GL_RGBA; 170 GFXGLTextureFormat[GFXFormatDXT4] = GL_ZERO; 171 GFXGLTextureFormat[GFXFormatDXT5] = GL_RGBA; 172 173 GFXGLTextureType[GFXFormatA8] = GL_UNSIGNED_BYTE; 174 GFXGLTextureType[GFXFormatL8] = GL_UNSIGNED_BYTE; 175 GFXGLTextureType[GFXFormatR5G5B5A1] = GL_UNSIGNED_SHORT_5_5_5_1; 176 GFXGLTextureType[GFXFormatR5G5B5X1] = GL_UNSIGNED_SHORT_5_5_5_1; 177 GFXGLTextureType[GFXFormatL16] = GL_UNSIGNED_SHORT; 178 GFXGLTextureType[GFXFormatD16] = GL_UNSIGNED_SHORT; 179 GFXGLTextureType[GFXFormatR8G8B8] = GL_UNSIGNED_BYTE; 180 GFXGLTextureType[GFXFormatR8G8B8A8] = GL_UNSIGNED_BYTE; 181 GFXGLTextureType[GFXFormatR8G8B8X8] = GL_UNSIGNED_BYTE; 182 GFXGLTextureType[GFXFormatB8G8R8A8] = GL_UNSIGNED_BYTE;; 183 GFXGLTextureType[GFXFormatR10G10B10A2] = GL_UNSIGNED_INT_10_10_10_2; 184 GFXGLTextureType[GFXFormatD32] = GL_UNSIGNED_INT; 185 GFXGLTextureType[GFXFormatD24X8] = GL_UNSIGNED_INT_24_8; 186 GFXGLTextureType[GFXFormatD24S8] = GL_UNSIGNED_INT_24_8; 187 GFXGLTextureType[GFXFormatR16G16B16A16] = GL_UNSIGNED_SHORT; 188 GFXGLTextureType[GFXFormatDXT1] = GL_UNSIGNED_BYTE; 189 GFXGLTextureType[GFXFormatDXT2] = GL_ZERO; 190 GFXGLTextureType[GFXFormatDXT3] = GL_UNSIGNED_BYTE; 191 GFXGLTextureType[GFXFormatDXT4] = GL_ZERO; 192 GFXGLTextureType[GFXFormatDXT5] = GL_UNSIGNED_BYTE; 193 194 GFXGLTextureType[GFXFormatR8G8B8A8_SRGB] = GL_SRGB8_ALPHA8; 195 196 static GLint Swizzle_GFXFormatA8[] = { GL_NONE, GL_NONE, GL_NONE, GL_RED }; 197 static GLint Swizzle_GFXFormatL[] = { GL_RED, GL_RED, GL_RED, GL_ALPHA }; 198 GFXGLTextureSwizzle[GFXFormatA8] = Swizzle_GFXFormatA8; // old GL_ALPHA8 199 GFXGLTextureSwizzle[GFXFormatL8] = Swizzle_GFXFormatL; // old GL_LUMINANCE8 200 GFXGLTextureSwizzle[GFXFormatL16] = Swizzle_GFXFormatL; // old GL_LUMINANCE16 201 202 GFXGLTextureInternalFormat[GFXFormatR32F] = GL_R32F; 203 GFXGLTextureFormat[GFXFormatR32F] = GL_RED; 204 GFXGLTextureType[GFXFormatR32F] = GL_FLOAT; 205 206 GFXGLTextureInternalFormat[GFXFormatR32G32B32A32F] = GL_RGBA32F_ARB; 207 GFXGLTextureFormat[GFXFormatR32G32B32A32F] = GL_RGBA; 208 GFXGLTextureType[GFXFormatR32G32B32A32F] = GL_FLOAT; 209 210 GFXGLTextureInternalFormat[GFXFormatR16F] = GL_R16F; 211 GFXGLTextureFormat[GFXFormatR16F] = GL_RED; 212 GFXGLTextureType[GFXFormatR16F] = GL_HALF_FLOAT_ARB; 213 214 GFXGLTextureInternalFormat[GFXFormatR16G16F] = GL_RG16F; 215 GFXGLTextureFormat[GFXFormatR16G16F] = GL_RG; 216 GFXGLTextureType[GFXFormatR16G16F] = GL_HALF_FLOAT_ARB; 217 218 GFXGLTextureInternalFormat[GFXFormatR16G16B16A16F] = GL_RGBA16F_ARB; 219 GFXGLTextureFormat[GFXFormatR16G16B16A16F] = GL_RGBA; 220 GFXGLTextureType[GFXFormatR16G16B16A16F] = GL_HALF_FLOAT_ARB; 221 222 if( gglHasExtension(ARB_ES2_compatibility) ) 223 { 224 GFXGLTextureInternalFormat[GFXFormatR5G6B5] = GL_RGB5_A1; 225 GFXGLTextureFormat[GFXFormatR5G6B5] = GL_RGBA; 226 GFXGLTextureType[GFXFormatR5G6B5] = GL_UNSIGNED_SHORT_5_5_5_1; 227 } 228 else 229 { 230 GFXGLTextureInternalFormat[GFXFormatR5G6B5] = GL_RGB565; 231 GFXGLTextureFormat[GFXFormatR5G6B5] = GL_RGB; 232 GFXGLTextureType[GFXFormatR5G6B5] = GL_UNSIGNED_SHORT_5_6_5; 233 } 234 235 if( gglHasExtension(ARB_texture_rg) ) 236 { 237 GFXGLTextureInternalFormat[GFXFormatR16G16] = GL_RG16; 238 GFXGLTextureFormat[GFXFormatR16G16] = GL_RG; 239 GFXGLTextureType[GFXFormatR16G16] = GL_UNSIGNED_SHORT; 240 } 241 else 242 { 243 GFXGLTextureInternalFormat[GFXFormatR16G16] = GL_RGBA16; 244 GFXGLTextureFormat[GFXFormatR16G16] = GL_RGBA; 245 GFXGLTextureType[GFXFormatR16G16] = GL_UNSIGNED_SHORT; 246 } 247 248 // Cull - Opengl render upside down need to invert cull 249 GFXGLCullMode[GFXCullNone] = GL_FRONT; 250 GFXGLCullMode[GFXCullCW] = GL_FRONT; 251 GFXGLCullMode[GFXCullCCW] = GL_BACK; 252 253 // Fill 254 GFXGLFillMode[GFXFillPoint] = GL_POINT; 255 GFXGLFillMode[GFXFillWireframe] = GL_LINE; 256 GFXGLFillMode[GFXFillSolid] = GL_FILL; 257} 258