| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef sw_VertexProcessor_hpp |
| #define sw_VertexProcessor_hpp |
| |
| #include "Matrix.hpp" |
| #include "Context.hpp" |
| #include "RoutineCache.hpp" |
| #include "Shader/VertexShader.hpp" |
| |
| namespace sw |
| { |
| struct DrawData; |
| |
| struct VertexCache // FIXME: Variable size |
| { |
| void clear(); |
| |
| Vertex vertex[16][4]; |
| unsigned int tag[16]; |
| |
| int drawCall; |
| }; |
| |
| struct VertexTask |
| { |
| unsigned int vertexCount; |
| unsigned int primitiveStart; |
| VertexCache vertexCache; |
| }; |
| |
| class VertexProcessor |
| { |
| public: |
| struct States |
| { |
| unsigned int computeHash(); |
| |
| uint64_t shaderID; |
| |
| bool fixedFunction : 1; // TODO: Eliminate by querying shader. |
| bool textureSampling : 1; // TODO: Eliminate by querying shader. |
| unsigned int positionRegister : BITS(MAX_VERTEX_OUTPUTS); // TODO: Eliminate by querying shader. |
| unsigned int pointSizeRegister : BITS(MAX_VERTEX_OUTPUTS); // TODO: Eliminate by querying shader. |
| |
| unsigned int vertexBlendMatrixCount : 3; |
| bool indexedVertexBlendEnable : 1; |
| bool vertexNormalActive : 1; |
| bool normalizeNormals : 1; |
| bool vertexLightingActive : 1; |
| bool diffuseActive : 1; |
| bool specularActive : 1; |
| bool vertexSpecularActive : 1; |
| unsigned int vertexLightActive : 8; |
| MaterialSource vertexDiffuseMaterialSourceActive : BITS(MATERIAL_LAST); |
| MaterialSource vertexSpecularMaterialSourceActive : BITS(MATERIAL_LAST); |
| MaterialSource vertexAmbientMaterialSourceActive : BITS(MATERIAL_LAST); |
| MaterialSource vertexEmissiveMaterialSourceActive : BITS(MATERIAL_LAST); |
| bool fogActive : 1; |
| FogMode vertexFogMode : BITS(FOG_LAST); |
| bool rangeFogActive : 1; |
| bool localViewerActive : 1; |
| bool pointSizeActive : 1; |
| bool pointScaleActive : 1; |
| bool transformFeedbackQueryEnabled : 1; |
| uint64_t transformFeedbackEnabled : 64; |
| unsigned char verticesPerPrimitive : 2; // 1 (points), 2 (lines) or 3 (triangles) |
| |
| bool preTransformed : 1; |
| bool superSampling : 1; |
| |
| struct TextureState |
| { |
| TexGen texGenActive : BITS(TEXGEN_LAST); |
| unsigned char textureTransformCountActive : 3; |
| unsigned char texCoordIndexActive : 3; |
| }; |
| |
| TextureState textureState[8]; |
| |
| Sampler::State sampler[VERTEX_TEXTURE_IMAGE_UNITS]; |
| |
| struct Input |
| { |
| operator bool() const // Returns true if stream contains data |
| { |
| return count != 0; |
| } |
| |
| StreamType type : BITS(STREAMTYPE_LAST); |
| unsigned int count : 3; |
| bool normalized : 1; |
| unsigned int attribType : BITS(VertexShader::ATTRIBTYPE_LAST); |
| }; |
| |
| struct Output |
| { |
| union |
| { |
| unsigned char write : 4; |
| |
| struct |
| { |
| unsigned char xWrite : 1; |
| unsigned char yWrite : 1; |
| unsigned char zWrite : 1; |
| unsigned char wWrite : 1; |
| }; |
| }; |
| |
| union |
| { |
| unsigned char clamp : 4; |
| |
| struct |
| { |
| unsigned char xClamp : 1; |
| unsigned char yClamp : 1; |
| unsigned char zClamp : 1; |
| unsigned char wClamp : 1; |
| }; |
| }; |
| }; |
| |
| Input input[MAX_VERTEX_INPUTS]; |
| Output output[MAX_VERTEX_OUTPUTS]; |
| }; |
| |
| struct State : States |
| { |
| State(); |
| |
| bool operator==(const State &state) const; |
| |
| unsigned int hash; |
| }; |
| |
| struct FixedFunction |
| { |
| float4 transformT[12][4]; |
| float4 cameraTransformT[12][4]; |
| float4 normalTransformT[12][4]; |
| float4 textureTransform[8][4]; |
| |
| float4 lightPosition[8]; |
| float4 lightAmbient[8]; |
| float4 lightSpecular[8]; |
| float4 lightDiffuse[8]; |
| float4 attenuationConstant[8]; |
| float4 attenuationLinear[8]; |
| float4 attenuationQuadratic[8]; |
| float lightRange[8]; |
| float4 materialDiffuse; |
| float4 materialSpecular; |
| float materialShininess; |
| float4 globalAmbient; |
| float4 materialEmission; |
| float4 materialAmbient; |
| }; |
| |
| struct PointSprite |
| { |
| float4 pointSize; |
| float pointSizeMin; |
| float pointSizeMax; |
| float pointScaleA; |
| float pointScaleB; |
| float pointScaleC; |
| }; |
| |
| typedef void (*RoutinePointer)(Vertex *output, unsigned int *batch, VertexTask *vertexTask, DrawData *draw); |
| |
| VertexProcessor(Context *context); |
| |
| virtual ~VertexProcessor(); |
| |
| void setInputStream(int index, const Stream &stream); |
| void resetInputStreams(bool preTransformed); |
| |
| void setFloatConstant(unsigned int index, const float value[4]); |
| void setIntegerConstant(unsigned int index, const int integer[4]); |
| void setBooleanConstant(unsigned int index, int boolean); |
| |
| void setUniformBuffer(int index, sw::Resource* uniformBuffer, int offset); |
| void lockUniformBuffers(byte** u, sw::Resource* uniformBuffers[]); |
| |
| void setTransformFeedbackBuffer(int index, sw::Resource* transformFeedbackBuffer, int offset, unsigned int reg, unsigned int row, unsigned int col, unsigned int stride); |
| void lockTransformFeedbackBuffers(byte** t, unsigned int* v, unsigned int* r, unsigned int* c, unsigned int* s, sw::Resource* transformFeedbackBuffers[]); |
| |
| // Transformations |
| void setModelMatrix(const Matrix &M, int i = 0); |
| void setViewMatrix(const Matrix &V); |
| void setBaseMatrix(const Matrix &B); |
| void setProjectionMatrix(const Matrix &P); |
| |
| // Lighting |
| void setLightingEnable(bool lightingEnable); |
| void setLightEnable(unsigned int light, bool lightEnable); |
| void setSpecularEnable(bool specularEnable); |
| |
| void setGlobalAmbient(const Color<float> &globalAmbient); |
| void setLightPosition(unsigned int light, const Point &lightPosition); |
| void setLightViewPosition(unsigned int light, const Point &lightPosition); |
| void setLightDiffuse(unsigned int light, const Color<float> &lightDiffuse); |
| void setLightSpecular(unsigned int light, const Color<float> &lightSpecular); |
| void setLightAmbient(unsigned int light, const Color<float> &lightAmbient); |
| void setLightAttenuation(unsigned int light, float constant, float linear, float quadratic); |
| void setLightRange(unsigned int light, float lightRange); |
| |
| void setInstanceID(int instanceID); |
| |
| void setFogEnable(bool fogEnable); |
| void setVertexFogMode(FogMode fogMode); |
| void setRangeFogEnable(bool enable); |
| |
| void setColorVertexEnable(bool colorVertexEnable); |
| void setDiffuseMaterialSource(MaterialSource diffuseMaterialSource); |
| void setSpecularMaterialSource(MaterialSource specularMaterialSource); |
| void setAmbientMaterialSource(MaterialSource ambientMaterialSource); |
| void setEmissiveMaterialSource(MaterialSource emissiveMaterialSource); |
| |
| void setMaterialEmission(const Color<float> &emission); |
| void setMaterialAmbient(const Color<float> &materialAmbient); |
| void setMaterialDiffuse(const Color<float> &diffuseColor); |
| void setMaterialSpecular(const Color<float> &specularColor); |
| void setMaterialShininess(float specularPower); |
| |
| void setIndexedVertexBlendEnable(bool indexedVertexBlendEnable); |
| void setVertexBlendMatrixCount(unsigned int vertexBlendMatrixCount); |
| |
| void setTextureWrap(unsigned int stage, int mask); |
| void setTexGen(unsigned int stage, TexGen texGen); |
| void setLocalViewer(bool localViewer); |
| void setNormalizeNormals(bool normalizeNormals); |
| void setTextureMatrix(int stage, const Matrix &T); |
| void setTextureTransform(int stage, int count, bool project); |
| |
| void setTextureFilter(unsigned int sampler, FilterType textureFilter); |
| void setMipmapFilter(unsigned int sampler, MipmapType mipmapFilter); |
| void setGatherEnable(unsigned int sampler, bool enable); |
| void setAddressingModeU(unsigned int sampler, AddressingMode addressingMode); |
| void setAddressingModeV(unsigned int sampler, AddressingMode addressingMode); |
| void setAddressingModeW(unsigned int sampler, AddressingMode addressingMode); |
| void setReadSRGB(unsigned int sampler, bool sRGB); |
| void setMipmapLOD(unsigned int sampler, float bias); |
| void setBorderColor(unsigned int sampler, const Color<float> &borderColor); |
| void setMaxAnisotropy(unsigned int stage, float maxAnisotropy); |
| void setHighPrecisionFiltering(unsigned int sampler, bool highPrecisionFiltering); |
| void setSwizzleR(unsigned int sampler, SwizzleType swizzleR); |
| void setSwizzleG(unsigned int sampler, SwizzleType swizzleG); |
| void setSwizzleB(unsigned int sampler, SwizzleType swizzleB); |
| void setSwizzleA(unsigned int sampler, SwizzleType swizzleA); |
| void setCompareFunc(unsigned int sampler, CompareFunc compare); |
| void setBaseLevel(unsigned int sampler, int baseLevel); |
| void setMaxLevel(unsigned int sampler, int maxLevel); |
| void setMinLod(unsigned int sampler, float minLod); |
| void setMaxLod(unsigned int sampler, float maxLod); |
| void setSyncRequired(unsigned int sampler, bool isSincRequired); |
| |
| void setPointSize(float pointSize); |
| void setPointSizeMin(float pointSizeMin); |
| void setPointSizeMax(float pointSizeMax); |
| void setPointScaleA(float pointScaleA); |
| void setPointScaleB(float pointScaleB); |
| void setPointScaleC(float pointScaleC); |
| |
| void setTransformFeedbackQueryEnabled(bool enable); |
| void enableTransformFeedback(uint64_t enable); |
| |
| protected: |
| const Matrix &getModelTransform(int i); |
| const Matrix &getViewTransform(); |
| |
| const State update(DrawType drawType); |
| Routine *routine(const State &state); |
| |
| bool isFixedFunction(); |
| void setRoutineCacheSize(int cacheSize); |
| |
| // Shader constants |
| float4 c[VERTEX_UNIFORM_VECTORS + 1]; // One extra for indices out of range, c[VERTEX_UNIFORM_VECTORS] = {0, 0, 0, 0} |
| int4 i[16]; |
| bool b[16]; |
| |
| PointSprite point; |
| FixedFunction ff; |
| |
| private: |
| struct UniformBufferInfo |
| { |
| UniformBufferInfo(); |
| |
| Resource* buffer; |
| int offset; |
| }; |
| UniformBufferInfo uniformBufferInfo[MAX_UNIFORM_BUFFER_BINDINGS]; |
| |
| struct TransformFeedbackInfo |
| { |
| TransformFeedbackInfo(); |
| |
| Resource* buffer; |
| unsigned int offset; |
| unsigned int reg; |
| unsigned int row; |
| unsigned int col; |
| unsigned int stride; |
| }; |
| TransformFeedbackInfo transformFeedbackInfo[MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS]; |
| |
| void updateTransform(); |
| void setTransform(const Matrix &M, int i); |
| void setCameraTransform(const Matrix &M, int i); |
| void setNormalTransform(const Matrix &M, int i); |
| |
| Context *const context; |
| |
| RoutineCache<State> *routineCache; |
| |
| protected: |
| Matrix M[12]; // Model/Geometry/World matrix |
| Matrix V; // View/Camera/Eye matrix |
| Matrix B; // Base matrix |
| Matrix P; // Projection matrix |
| Matrix PB; // P * B |
| Matrix PBV; // P * B * V |
| Matrix PBVM[12]; // P * B * V * M |
| |
| // Update hierarchy |
| bool updateMatrix; |
| bool updateModelMatrix[12]; |
| bool updateViewMatrix; |
| bool updateBaseMatrix; |
| bool updateProjectionMatrix; |
| bool updateLighting; |
| }; |
| } |
| |
| #endif // sw_VertexProcessor_hpp |