Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 1 | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | #ifndef sw_VertexProcessor_hpp |
| 16 | #define sw_VertexProcessor_hpp |
| 17 | |
| 18 | #include "Matrix.hpp" |
| 19 | #include "Context.hpp" |
| 20 | #include "RoutineCache.hpp" |
| 21 | |
| 22 | namespace sw |
| 23 | { |
| 24 | struct DrawData; |
| 25 | |
| 26 | struct VertexCache // FIXME: Variable size |
| 27 | { |
| 28 | void clear(); |
| 29 | |
| 30 | Vertex vertex[16][4]; |
| 31 | unsigned int tag[16]; |
| 32 | |
| 33 | int drawCall; |
| 34 | }; |
| 35 | |
| 36 | struct VertexTask |
| 37 | { |
| 38 | unsigned int vertexStart; |
| 39 | unsigned int vertexCount; |
| 40 | unsigned int verticesPerPrimitive; |
| 41 | VertexCache vertexCache; |
| 42 | }; |
| 43 | |
| 44 | class VertexProcessor |
| 45 | { |
| 46 | public: |
| 47 | struct States |
| 48 | { |
| 49 | unsigned int computeHash(); |
| 50 | |
| 51 | uint64_t shaderID; |
| 52 | |
| 53 | bool fixedFunction : 1; |
| 54 | bool textureSampling : 1; |
Nicolas Capens | ec0936c | 2016-05-18 12:32:02 -0400 | [diff] [blame] | 55 | unsigned int positionRegister : BITS(MAX_VERTEX_OUTPUTS); |
| 56 | unsigned int pointSizeRegister : BITS(MAX_VERTEX_OUTPUTS); |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 57 | |
| 58 | unsigned int vertexBlendMatrixCount : 3; |
| 59 | bool indexedVertexBlendEnable : 1; |
| 60 | bool vertexNormalActive : 1; |
| 61 | bool normalizeNormals : 1; |
| 62 | bool vertexLightingActive : 1; |
| 63 | bool diffuseActive : 1; |
| 64 | bool specularActive : 1; |
| 65 | bool vertexSpecularActive : 1; |
| 66 | unsigned int vertexLightActive : 8; |
| 67 | MaterialSource vertexDiffuseMaterialSourceActive : BITS(MATERIAL_LAST); |
| 68 | MaterialSource vertexSpecularMaterialSourceActive : BITS(MATERIAL_LAST); |
| 69 | MaterialSource vertexAmbientMaterialSourceActive : BITS(MATERIAL_LAST); |
| 70 | MaterialSource vertexEmissiveMaterialSourceActive : BITS(MATERIAL_LAST); |
| 71 | bool fogActive : 1; |
| 72 | FogMode vertexFogMode : BITS(FOG_LAST); |
| 73 | bool rangeFogActive : 1; |
| 74 | bool localViewerActive : 1; |
| 75 | bool pointSizeActive : 1; |
| 76 | bool pointScaleActive : 1; |
| 77 | bool transformFeedbackQueryEnabled : 1; |
| 78 | uint64_t transformFeedbackEnabled : 64; |
| 79 | |
| 80 | bool preTransformed : 1; |
| 81 | bool superSampling : 1; |
| 82 | bool multiSampling : 1; |
| 83 | |
| 84 | struct TextureState |
| 85 | { |
| 86 | TexGen texGenActive : BITS(TEXGEN_LAST); |
| 87 | unsigned char textureTransformCountActive : 3; |
| 88 | unsigned char texCoordIndexActive : 3; |
| 89 | }; |
| 90 | |
| 91 | TextureState textureState[8]; |
| 92 | |
| 93 | Sampler::State samplerState[VERTEX_TEXTURE_IMAGE_UNITS]; |
| 94 | |
| 95 | struct Input |
| 96 | { |
| 97 | operator bool() const // Returns true if stream contains data |
| 98 | { |
| 99 | return count != 0; |
| 100 | } |
| 101 | |
| 102 | StreamType type : BITS(STREAMTYPE_LAST); |
| 103 | unsigned int count : 3; |
| 104 | bool normalized : 1; |
| 105 | }; |
| 106 | |
| 107 | struct Output |
| 108 | { |
| 109 | union |
| 110 | { |
| 111 | unsigned char write : 4; |
| 112 | |
| 113 | struct |
| 114 | { |
| 115 | unsigned char xWrite : 1; |
| 116 | unsigned char yWrite : 1; |
| 117 | unsigned char zWrite : 1; |
| 118 | unsigned char wWrite : 1; |
| 119 | }; |
| 120 | }; |
| 121 | |
| 122 | union |
| 123 | { |
| 124 | unsigned char clamp : 4; |
| 125 | |
| 126 | struct |
| 127 | { |
| 128 | unsigned char xClamp : 1; |
| 129 | unsigned char yClamp : 1; |
| 130 | unsigned char zClamp : 1; |
| 131 | unsigned char wClamp : 1; |
| 132 | }; |
| 133 | }; |
| 134 | }; |
| 135 | |
Nicolas Capens | f0aef1a | 2016-05-18 14:44:21 -0400 | [diff] [blame^] | 136 | Input input[MAX_VERTEX_INPUTS]; |
Nicolas Capens | ec0936c | 2016-05-18 12:32:02 -0400 | [diff] [blame] | 137 | Output output[MAX_VERTEX_OUTPUTS]; |
Nicolas Capens | 0bac285 | 2016-05-07 06:09:58 -0400 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | struct State : States |
| 141 | { |
| 142 | State(); |
| 143 | |
| 144 | bool operator==(const State &state) const; |
| 145 | |
| 146 | unsigned int hash; |
| 147 | }; |
| 148 | |
| 149 | struct FixedFunction |
| 150 | { |
| 151 | float4 transformT[12][4]; |
| 152 | float4 cameraTransformT[12][4]; |
| 153 | float4 normalTransformT[12][4]; |
| 154 | float4 textureTransform[8][4]; |
| 155 | |
| 156 | float4 lightPosition[8]; |
| 157 | float4 lightAmbient[8]; |
| 158 | float4 lightSpecular[8]; |
| 159 | float4 lightDiffuse[8]; |
| 160 | float4 attenuationConstant[8]; |
| 161 | float4 attenuationLinear[8]; |
| 162 | float4 attenuationQuadratic[8]; |
| 163 | float lightRange[8]; |
| 164 | float4 materialDiffuse; |
| 165 | float4 materialSpecular; |
| 166 | float materialShininess; |
| 167 | float4 globalAmbient; |
| 168 | float4 materialEmission; |
| 169 | float4 materialAmbient; |
| 170 | }; |
| 171 | |
| 172 | struct PointSprite |
| 173 | { |
| 174 | float4 pointSize; |
| 175 | float pointSizeMin; |
| 176 | float pointSizeMax; |
| 177 | float pointScaleA; |
| 178 | float pointScaleB; |
| 179 | float pointScaleC; |
| 180 | }; |
| 181 | |
| 182 | typedef void (*RoutinePointer)(Vertex *output, unsigned int *batch, VertexTask *vertexTask, DrawData *draw); |
| 183 | |
| 184 | VertexProcessor(Context *context); |
| 185 | |
| 186 | virtual ~VertexProcessor(); |
| 187 | |
| 188 | virtual void setInputStream(int index, const Stream &stream); |
| 189 | virtual void resetInputStreams(bool preTransformed); |
| 190 | |
| 191 | virtual void setFloatConstant(unsigned int index, const float value[4]); |
| 192 | virtual void setIntegerConstant(unsigned int index, const int integer[4]); |
| 193 | virtual void setBooleanConstant(unsigned int index, int boolean); |
| 194 | |
| 195 | virtual void setUniformBuffer(int index, sw::Resource* uniformBuffer, int offset); |
| 196 | virtual void lockUniformBuffers(byte** u, sw::Resource* uniformBuffers[]); |
| 197 | |
| 198 | virtual void setTransformFeedbackBuffer(int index, sw::Resource* transformFeedbackBuffer, int offset, unsigned int reg, unsigned int row, unsigned int col, size_t stride); |
| 199 | virtual void lockTransformFeedbackBuffers(byte** t, unsigned int* v, unsigned int* r, unsigned int* c, unsigned int* s, sw::Resource* transformFeedbackBuffers[]); |
| 200 | |
| 201 | // Transformations |
| 202 | virtual void setModelMatrix(const Matrix &M, int i = 0); |
| 203 | virtual void setViewMatrix(const Matrix &V); |
| 204 | virtual void setBaseMatrix(const Matrix &B); |
| 205 | virtual void setProjectionMatrix(const Matrix &P); |
| 206 | |
| 207 | // Lighting |
| 208 | virtual void setLightingEnable(bool lightingEnable); |
| 209 | virtual void setLightEnable(unsigned int light, bool lightEnable); |
| 210 | virtual void setSpecularEnable(bool specularEnable); |
| 211 | |
| 212 | virtual void setGlobalAmbient(const Color<float> &globalAmbient); |
| 213 | virtual void setLightPosition(unsigned int light, const Point &lightPosition); |
| 214 | virtual void setLightViewPosition(unsigned int light, const Point &lightPosition); |
| 215 | virtual void setLightDiffuse(unsigned int light, const Color<float> &lightDiffuse); |
| 216 | virtual void setLightSpecular(unsigned int light, const Color<float> &lightSpecular); |
| 217 | virtual void setLightAmbient(unsigned int light, const Color<float> &lightAmbient); |
| 218 | virtual void setLightAttenuation(unsigned int light, float constant, float linear, float quadratic); |
| 219 | virtual void setLightRange(unsigned int light, float lightRange); |
| 220 | |
| 221 | virtual void setInstanceID(int instanceID); |
| 222 | |
| 223 | virtual void setFogEnable(bool fogEnable); |
| 224 | virtual void setVertexFogMode(FogMode fogMode); |
| 225 | virtual void setRangeFogEnable(bool enable); |
| 226 | |
| 227 | virtual void setColorVertexEnable(bool colorVertexEnable); |
| 228 | virtual void setDiffuseMaterialSource(MaterialSource diffuseMaterialSource); |
| 229 | virtual void setSpecularMaterialSource(MaterialSource specularMaterialSource); |
| 230 | virtual void setAmbientMaterialSource(MaterialSource ambientMaterialSource); |
| 231 | virtual void setEmissiveMaterialSource(MaterialSource emissiveMaterialSource); |
| 232 | |
| 233 | virtual void setMaterialEmission(const Color<float> &emission); |
| 234 | virtual void setMaterialAmbient(const Color<float> &materialAmbient); |
| 235 | virtual void setMaterialDiffuse(const Color<float> &diffuseColor); |
| 236 | virtual void setMaterialSpecular(const Color<float> &specularColor); |
| 237 | virtual void setMaterialShininess(float specularPower); |
| 238 | |
| 239 | virtual void setIndexedVertexBlendEnable(bool indexedVertexBlendEnable); |
| 240 | virtual void setVertexBlendMatrixCount(unsigned int vertexBlendMatrixCount); |
| 241 | |
| 242 | virtual void setTextureWrap(unsigned int stage, int mask); |
| 243 | virtual void setTexGen(unsigned int stage, TexGen texGen); |
| 244 | virtual void setLocalViewer(bool localViewer); |
| 245 | virtual void setNormalizeNormals(bool normalizeNormals); |
| 246 | virtual void setTextureMatrix(int stage, const Matrix &T); |
| 247 | virtual void setTextureTransform(int stage, int count, bool project); |
| 248 | |
| 249 | virtual void setTextureFilter(unsigned int sampler, FilterType textureFilter); |
| 250 | virtual void setMipmapFilter(unsigned int sampler, MipmapType mipmapFilter); |
| 251 | virtual void setGatherEnable(unsigned int sampler, bool enable); |
| 252 | virtual void setAddressingModeU(unsigned int sampler, AddressingMode addressingMode); |
| 253 | virtual void setAddressingModeV(unsigned int sampler, AddressingMode addressingMode); |
| 254 | virtual void setAddressingModeW(unsigned int sampler, AddressingMode addressingMode); |
| 255 | virtual void setReadSRGB(unsigned int sampler, bool sRGB); |
| 256 | virtual void setMipmapLOD(unsigned int sampler, float bias); |
| 257 | virtual void setBorderColor(unsigned int sampler, const Color<float> &borderColor); |
| 258 | virtual void setMaxAnisotropy(unsigned int stage, float maxAnisotropy); |
| 259 | virtual void setSwizzleR(unsigned int sampler, SwizzleType swizzleR); |
| 260 | virtual void setSwizzleG(unsigned int sampler, SwizzleType swizzleG); |
| 261 | virtual void setSwizzleB(unsigned int sampler, SwizzleType swizzleB); |
| 262 | virtual void setSwizzleA(unsigned int sampler, SwizzleType swizzleA); |
| 263 | |
| 264 | virtual void setPointSize(float pointSize); |
| 265 | virtual void setPointSizeMin(float pointSizeMin); |
| 266 | virtual void setPointSizeMax(float pointSizeMax); |
| 267 | virtual void setPointScaleA(float pointScaleA); |
| 268 | virtual void setPointScaleB(float pointScaleB); |
| 269 | virtual void setPointScaleC(float pointScaleC); |
| 270 | |
| 271 | virtual void setTransformFeedbackQueryEnabled(bool enable); |
| 272 | virtual void enableTransformFeedback(uint64_t enable); |
| 273 | |
| 274 | protected: |
| 275 | const Matrix &getModelTransform(int i); |
| 276 | const Matrix &getViewTransform(); |
| 277 | |
| 278 | const State update(); |
| 279 | Routine *routine(const State &state); |
| 280 | |
| 281 | bool isFixedFunction(); |
| 282 | void setRoutineCacheSize(int cacheSize); |
| 283 | |
| 284 | // Shader constants |
| 285 | float4 c[VERTEX_UNIFORM_VECTORS + 1]; // One extra for indices out of range, c[VERTEX_UNIFORM_VECTORS] = {0, 0, 0, 0} |
| 286 | int4 i[16]; |
| 287 | bool b[16]; |
| 288 | |
| 289 | PointSprite point; |
| 290 | FixedFunction ff; |
| 291 | |
| 292 | private: |
| 293 | struct UniformBufferInfo |
| 294 | { |
| 295 | UniformBufferInfo(); |
| 296 | |
| 297 | Resource* buffer; |
| 298 | int offset; |
| 299 | }; |
| 300 | UniformBufferInfo uniformBufferInfo[MAX_UNIFORM_BUFFER_BINDINGS]; |
| 301 | |
| 302 | struct TransformFeedbackInfo |
| 303 | { |
| 304 | TransformFeedbackInfo(); |
| 305 | |
| 306 | Resource* buffer; |
| 307 | int offset; |
| 308 | int reg; |
| 309 | int row; |
| 310 | int col; |
| 311 | size_t stride; |
| 312 | }; |
| 313 | TransformFeedbackInfo transformFeedbackInfo[MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS]; |
| 314 | |
| 315 | void updateTransform(); |
| 316 | void setTransform(const Matrix &M, int i); |
| 317 | void setCameraTransform(const Matrix &M, int i); |
| 318 | void setNormalTransform(const Matrix &M, int i); |
| 319 | |
| 320 | Context *const context; |
| 321 | |
| 322 | RoutineCache<State> *routineCache; |
| 323 | |
| 324 | protected: |
| 325 | Matrix M[12]; // Model/Geometry/World matrix |
| 326 | Matrix V; // View/Camera/Eye matrix |
| 327 | Matrix B; // Base matrix |
| 328 | Matrix P; // Projection matrix |
| 329 | Matrix PB; // P * B |
| 330 | Matrix PBV; // P * B * V |
| 331 | Matrix PBVM[12]; // P * B * V * M |
| 332 | |
| 333 | // Update hierarchy |
| 334 | bool updateMatrix; |
| 335 | bool updateModelMatrix[12]; |
| 336 | bool updateViewMatrix; |
| 337 | bool updateBaseMatrix; |
| 338 | bool updateProjectionMatrix; |
| 339 | bool updateLighting; |
| 340 | }; |
| 341 | } |
| 342 | |
| 343 | #endif // sw_VertexProcessor_hpp |