1 // 2 // Copyright (c) 2012-2013 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 // angletypes.h : Defines a variety of structures and enum types that are used throughout libGLESv2 8 9 #ifndef LIBGLESV2_ANGLETYPES_H_ 10 #define LIBGLESV2_ANGLETYPES_H_ 11 12 #include "libGLESv2/constants.h" 13 #include "common/RefCountObject.h" 14 15 namespace gl 16 { 17 class Buffer; 18 class ProgramBinary; 19 struct VertexAttribute; 20 struct VertexAttribCurrentValueData; 21 22 enum SamplerType 23 { 24 SAMPLER_PIXEL, 25 SAMPLER_VERTEX 26 }; 27 28 template <typename T> 29 struct Color 30 { 31 T red; 32 T green; 33 T blue; 34 T alpha; 35 ColorColor36 Color() : red(0), green(0), blue(0), alpha(0) { } ColorColor37 Color(T r, T g, T b, T a) : red(r), green(g), blue(b), alpha(a) { } 38 }; 39 40 typedef Color<float> ColorF; 41 typedef Color<int> ColorI; 42 typedef Color<unsigned int> ColorUI; 43 44 struct Rectangle 45 { 46 int x; 47 int y; 48 int width; 49 int height; 50 RectangleRectangle51 Rectangle() : x(0), y(0), width(0), height(0) { } RectangleRectangle52 Rectangle(int x_in, int y_in, int width_in, int height_in) : x(x_in), y(y_in), width(width_in), height(height_in) { } 53 }; 54 55 bool ClipRectangle(const Rectangle &source, const Rectangle &clip, Rectangle *intersection); 56 57 struct Box 58 { 59 int x; 60 int y; 61 int z; 62 int width; 63 int height; 64 int depth; 65 BoxBox66 Box() : x(0), y(0), z(0), width(0), height(0), depth(0) { } BoxBox67 Box(int x_in, int y_in, int z_in, int width_in, int height_in, int depth_in) : x(x_in), y(y_in), z(z_in), width(width_in), height(height_in), depth(depth_in) { } 68 }; 69 70 struct Extents 71 { 72 int width; 73 int height; 74 int depth; 75 ExtentsExtents76 Extents() : width(0), height(0), depth(0) { } ExtentsExtents77 Extents(int width_, int height_, int depth_) : width(width_), height(height_), depth(depth_) { } 78 }; 79 80 struct RasterizerState 81 { 82 bool cullFace; 83 GLenum cullMode; 84 GLenum frontFace; 85 86 bool polygonOffsetFill; 87 GLfloat polygonOffsetFactor; 88 GLfloat polygonOffsetUnits; 89 90 bool pointDrawMode; 91 bool multiSample; 92 93 bool rasterizerDiscard; 94 }; 95 96 struct BlendState 97 { 98 bool blend; 99 GLenum sourceBlendRGB; 100 GLenum destBlendRGB; 101 GLenum sourceBlendAlpha; 102 GLenum destBlendAlpha; 103 GLenum blendEquationRGB; 104 GLenum blendEquationAlpha; 105 106 bool colorMaskRed; 107 bool colorMaskGreen; 108 bool colorMaskBlue; 109 bool colorMaskAlpha; 110 111 bool sampleAlphaToCoverage; 112 113 bool dither; 114 }; 115 116 struct DepthStencilState 117 { 118 bool depthTest; 119 GLenum depthFunc; 120 bool depthMask; 121 122 bool stencilTest; 123 GLenum stencilFunc; 124 GLuint stencilMask; 125 GLenum stencilFail; 126 GLenum stencilPassDepthFail; 127 GLenum stencilPassDepthPass; 128 GLuint stencilWritemask; 129 GLenum stencilBackFunc; 130 GLuint stencilBackMask; 131 GLenum stencilBackFail; 132 GLenum stencilBackPassDepthFail; 133 GLenum stencilBackPassDepthPass; 134 GLuint stencilBackWritemask; 135 }; 136 137 struct SamplerState 138 { 139 SamplerState(); 140 141 GLenum minFilter; 142 GLenum magFilter; 143 GLenum wrapS; 144 GLenum wrapT; 145 GLenum wrapR; 146 float maxAnisotropy; 147 148 GLint baseLevel; 149 GLint maxLevel; 150 GLfloat minLod; 151 GLfloat maxLod; 152 153 GLenum compareMode; 154 GLenum compareFunc; 155 156 GLenum swizzleRed; 157 GLenum swizzleGreen; 158 GLenum swizzleBlue; 159 GLenum swizzleAlpha; 160 161 bool swizzleRequired() const; 162 }; 163 164 struct ClearParameters 165 { 166 bool clearColor[gl::IMPLEMENTATION_MAX_DRAW_BUFFERS]; 167 ColorF colorFClearValue; 168 ColorI colorIClearValue; 169 ColorUI colorUIClearValue; 170 GLenum colorClearType; 171 bool colorMaskRed; 172 bool colorMaskGreen; 173 bool colorMaskBlue; 174 bool colorMaskAlpha; 175 176 bool clearDepth; 177 float depthClearValue; 178 179 bool clearStencil; 180 GLint stencilClearValue; 181 GLuint stencilWriteMask; 182 183 bool scissorEnabled; 184 Rectangle scissor; 185 }; 186 187 struct PixelUnpackState 188 { 189 BindingPointer<Buffer> pixelBuffer; 190 GLint alignment; 191 PixelUnpackStatePixelUnpackState192 PixelUnpackState() 193 : alignment(4) 194 {} 195 PixelUnpackStatePixelUnpackState196 explicit PixelUnpackState(GLint alignmentIn) 197 : alignment(alignmentIn) 198 {} 199 }; 200 201 struct PixelPackState 202 { 203 BindingPointer<Buffer> pixelBuffer; 204 GLint alignment; 205 bool reverseRowOrder; 206 PixelPackStatePixelPackState207 PixelPackState() 208 : alignment(4), 209 reverseRowOrder(false) 210 {} 211 PixelPackStatePixelPackState212 explicit PixelPackState(GLint alignmentIn, bool reverseRowOrderIn) 213 : alignment(alignmentIn), 214 reverseRowOrder(reverseRowOrderIn) 215 {} 216 }; 217 218 struct VertexFormat 219 { 220 GLenum mType; 221 GLboolean mNormalized; 222 GLuint mComponents; 223 bool mPureInteger; 224 225 VertexFormat(); 226 VertexFormat(GLenum type, GLboolean normalized, GLuint components, bool pureInteger); 227 explicit VertexFormat(const VertexAttribute &attribute); 228 VertexFormat(const VertexAttribute &attribute, GLenum currentValueType); 229 230 static void GetInputLayout(VertexFormat *inputLayout, 231 ProgramBinary *programBinary, 232 const VertexAttribute *attributes, 233 const gl::VertexAttribCurrentValueData *currentValues); 234 235 bool operator==(const VertexFormat &other) const; 236 bool operator!=(const VertexFormat &other) const; 237 bool operator<(const VertexFormat& other) const; 238 }; 239 240 } 241 242 namespace rx 243 { 244 245 enum VertexConversionType 246 { 247 VERTEX_CONVERT_NONE = 0, 248 VERTEX_CONVERT_CPU = 1, 249 VERTEX_CONVERT_GPU = 2, 250 VERTEX_CONVERT_BOTH = 3 251 }; 252 253 enum D3DWorkaroundType 254 { 255 ANGLE_D3D_WORKAROUND_NONE, 256 ANGLE_D3D_WORKAROUND_SKIP_OPTIMIZATION, 257 ANGLE_D3D_WORKAROUND_MAX_OPTIMIZATION 258 }; 259 260 } 261 262 #endif // LIBGLESV2_ANGLETYPES_H_ 263