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_SetupProcessor_hpp 16 #define sw_SetupProcessor_hpp 17 18 #include "Context.hpp" 19 #include "RoutineCache.hpp" 20 #include "Shader/VertexShader.hpp" 21 #include "Shader/PixelShader.hpp" 22 #include "Common/Types.hpp" 23 24 namespace sw 25 { 26 struct Primitive; 27 struct Triangle; 28 struct Polygon; 29 struct Vertex; 30 struct DrawCall; 31 struct DrawData; 32 33 class SetupProcessor 34 { 35 public: 36 struct States 37 { 38 unsigned int computeHash(); 39 40 bool isDrawPoint : 1; 41 bool isDrawLine : 1; 42 bool isDrawTriangle : 1; 43 bool isDrawSolidTriangle : 1; 44 bool interpolateZ : 1; 45 bool interpolateW : 1; 46 bool perspective : 1; 47 bool pointSprite : 1; 48 unsigned int positionRegister : BITS(VERTEX_OUTPUT_LAST); 49 unsigned int pointSizeRegister : BITS(VERTEX_OUTPUT_LAST); 50 CullMode cullMode : BITS(CULL_LAST); 51 bool twoSidedStencil : 1; 52 bool slopeDepthBias : 1; 53 bool vFace : 1; 54 unsigned int multiSample : 3; // 1, 2 or 4 55 bool rasterizerDiscard : 1; 56 57 struct Gradient 58 { 59 unsigned char attribute : BITS(VERTEX_OUTPUT_LAST); 60 bool flat : 1; 61 bool wrap : 1; 62 }; 63 64 union 65 { 66 struct 67 { 68 Gradient color[2][4]; 69 Gradient texture[8][4]; 70 Gradient fog; 71 }; 72 73 Gradient gradient[MAX_FRAGMENT_INPUTS][4]; 74 }; 75 }; 76 77 struct State : States 78 { 79 State(int i = 0); 80 81 bool operator==(const State &states) const; 82 83 unsigned int hash; 84 }; 85 86 typedef bool (*RoutinePointer)(Primitive *primitive, const Triangle *triangle, const Polygon *polygon, const DrawData *draw); 87 88 SetupProcessor(Context *context); 89 90 ~SetupProcessor(); 91 92 protected: 93 State update() const; 94 Routine *routine(const State &state); 95 96 void setRoutineCacheSize(int cacheSize); 97 98 private: 99 Context *const context; 100 101 RoutineCache<State> *routineCache; 102 }; 103 } 104 105 #endif // sw_SetupProcessor_hpp 106
