| // 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_Context_hpp |
| #define sw_Context_hpp |
| |
| #include "Sampler.hpp" |
| #include "Stream.hpp" |
| #include "Point.hpp" |
| #include "Vertex.hpp" |
| #include "System/Types.hpp" |
| |
| namespace sw |
| { |
| class Sampler; |
| class Surface; |
| class PixelShader; |
| class VertexShader; |
| struct Triangle; |
| struct Primitive; |
| struct Vertex; |
| class Resource; |
| |
| enum In // Default input stream semantic |
| { |
| Position = 0, |
| BlendWeight = 1, |
| BlendIndices = 2, |
| Normal = 3, |
| PointSize = 4, |
| Color0 = 5, |
| Color1 = 6, |
| TexCoord0 = 7, |
| TexCoord1 = 8, |
| TexCoord2 = 9, |
| TexCoord3 = 10, |
| TexCoord4 = 11, |
| TexCoord5 = 12, |
| TexCoord6 = 13, |
| TexCoord7 = 14, |
| PositionT = 15 |
| }; |
| |
| enum DrawType ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| // These types must stay ordered by vertices per primitive. Also, if these basic types |
| // are modified, verify the value assigned to task->verticesPerPrimitive in Renderer.cpp |
| DRAW_POINTLIST = 0x00, |
| DRAW_LINELIST = 0x01, |
| DRAW_LINESTRIP = 0x02, |
| DRAW_TRIANGLELIST = 0x03, |
| DRAW_TRIANGLESTRIP = 0x04, |
| DRAW_TRIANGLEFAN = 0x05, |
| |
| DRAW_NONINDEXED = 0x00, |
| DRAW_INDEXED16 = 0x20, |
| DRAW_INDEXED32 = 0x30, |
| |
| DRAW_INDEXEDPOINTLIST16 = DRAW_POINTLIST | DRAW_INDEXED16, |
| DRAW_INDEXEDLINELIST16 = DRAW_LINELIST | DRAW_INDEXED16, |
| DRAW_INDEXEDLINESTRIP16 = DRAW_LINESTRIP | DRAW_INDEXED16, |
| DRAW_INDEXEDTRIANGLELIST16 = DRAW_TRIANGLELIST | DRAW_INDEXED16, |
| DRAW_INDEXEDTRIANGLESTRIP16 = DRAW_TRIANGLESTRIP | DRAW_INDEXED16, |
| DRAW_INDEXEDTRIANGLEFAN16 = DRAW_TRIANGLEFAN | DRAW_INDEXED16, |
| |
| DRAW_INDEXEDPOINTLIST32 = DRAW_POINTLIST | DRAW_INDEXED32, |
| DRAW_INDEXEDLINELIST32 = DRAW_LINELIST | DRAW_INDEXED32, |
| DRAW_INDEXEDLINESTRIP32 = DRAW_LINESTRIP | DRAW_INDEXED32, |
| DRAW_INDEXEDTRIANGLELIST32 = DRAW_TRIANGLELIST | DRAW_INDEXED32, |
| DRAW_INDEXEDTRIANGLESTRIP32 = DRAW_TRIANGLESTRIP | DRAW_INDEXED32, |
| DRAW_INDEXEDTRIANGLEFAN32 = DRAW_TRIANGLEFAN | DRAW_INDEXED32, |
| |
| DRAW_LAST = DRAW_INDEXEDTRIANGLEFAN32 |
| }; |
| |
| enum DepthCompareMode ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| DEPTH_ALWAYS, |
| DEPTH_NEVER, |
| DEPTH_EQUAL, |
| DEPTH_NOTEQUAL, |
| DEPTH_LESS, |
| DEPTH_LESSEQUAL, |
| DEPTH_GREATER, |
| DEPTH_GREATEREQUAL, |
| |
| DEPTH_LAST = DEPTH_GREATEREQUAL |
| }; |
| |
| enum StencilCompareMode ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| STENCIL_ALWAYS, |
| STENCIL_NEVER, |
| STENCIL_EQUAL, |
| STENCIL_NOTEQUAL, |
| STENCIL_LESS, |
| STENCIL_LESSEQUAL, |
| STENCIL_GREATER, |
| STENCIL_GREATEREQUAL, |
| |
| STENCIL_LAST = STENCIL_GREATEREQUAL |
| }; |
| |
| enum StencilOperation ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| OPERATION_KEEP, |
| OPERATION_ZERO, |
| OPERATION_REPLACE, |
| OPERATION_INCRSAT, |
| OPERATION_DECRSAT, |
| OPERATION_INVERT, |
| OPERATION_INCR, |
| OPERATION_DECR, |
| |
| OPERATION_LAST = OPERATION_DECR |
| }; |
| |
| enum AlphaCompareMode ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| ALPHA_ALWAYS, |
| ALPHA_NEVER, |
| ALPHA_EQUAL, |
| ALPHA_NOTEQUAL, |
| ALPHA_LESS, |
| ALPHA_LESSEQUAL, |
| ALPHA_GREATER, |
| ALPHA_GREATEREQUAL, |
| |
| ALPHA_LAST = ALPHA_GREATEREQUAL |
| }; |
| |
| enum CullMode ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| CULL_NONE, |
| CULL_CLOCKWISE, |
| CULL_COUNTERCLOCKWISE, |
| |
| CULL_LAST = CULL_COUNTERCLOCKWISE |
| }; |
| |
| enum BlendFactor ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| BLEND_ZERO, |
| BLEND_ONE, |
| BLEND_SOURCE, |
| BLEND_INVSOURCE, |
| BLEND_DEST, |
| BLEND_INVDEST, |
| BLEND_SOURCEALPHA, |
| BLEND_INVSOURCEALPHA, |
| BLEND_DESTALPHA, |
| BLEND_INVDESTALPHA, |
| BLEND_SRCALPHASAT, |
| BLEND_CONSTANT, |
| BLEND_INVCONSTANT, |
| BLEND_CONSTANTALPHA, |
| BLEND_INVCONSTANTALPHA, |
| |
| BLEND_LAST = BLEND_INVCONSTANTALPHA |
| }; |
| |
| enum BlendOperation ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| BLENDOP_ADD, |
| BLENDOP_SUB, |
| BLENDOP_INVSUB, |
| BLENDOP_MIN, |
| BLENDOP_MAX, |
| |
| BLENDOP_SOURCE, // Copy source |
| BLENDOP_DEST, // Copy dest |
| BLENDOP_NULL, // Nullify result |
| |
| BLENDOP_LAST = BLENDOP_NULL |
| }; |
| |
| enum LogicalOperation ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| LOGICALOP_CLEAR, |
| LOGICALOP_SET, |
| LOGICALOP_COPY, |
| LOGICALOP_COPY_INVERTED, |
| LOGICALOP_NOOP, |
| LOGICALOP_INVERT, |
| LOGICALOP_AND, |
| LOGICALOP_NAND, |
| LOGICALOP_OR, |
| LOGICALOP_NOR, |
| LOGICALOP_XOR, |
| LOGICALOP_EQUIV, |
| LOGICALOP_AND_REVERSE, |
| LOGICALOP_AND_INVERTED, |
| LOGICALOP_OR_REVERSE, |
| LOGICALOP_OR_INVERTED, |
| |
| LOGICALOP_LAST = LOGICALOP_OR_INVERTED |
| }; |
| |
| enum TransparencyAntialiasing ENUM_UNDERLYING_TYPE_UNSIGNED_INT |
| { |
| TRANSPARENCY_NONE, |
| TRANSPARENCY_ALPHA_TO_COVERAGE, |
| |
| TRANSPARENCY_LAST = TRANSPARENCY_ALPHA_TO_COVERAGE |
| }; |
| |
| class Context |
| { |
| public: |
| Context(); |
| |
| ~Context(); |
| |
| void *operator new(size_t bytes); |
| void operator delete(void *pointer, size_t bytes); |
| |
| void init(); |
| |
| bool isDrawPoint() const; |
| bool isDrawLine() const; |
| bool isDrawTriangle() const; |
| |
| bool setDepthBufferEnable(bool depthBufferEnable); |
| |
| bool setAlphaBlendEnable(bool alphaBlendEnable); |
| bool setSourceBlendFactor(BlendFactor sourceBlendFactor); |
| bool setDestBlendFactor(BlendFactor destBlendFactor); |
| bool setBlendOperation(BlendOperation blendOperation); |
| |
| bool setSeparateAlphaBlendEnable(bool separateAlphaBlendEnable); |
| bool setSourceBlendFactorAlpha(BlendFactor sourceBlendFactorAlpha); |
| bool setDestBlendFactorAlpha(BlendFactor destBlendFactorAlpha); |
| bool setBlendOperationAlpha(BlendOperation blendOperationAlpha); |
| |
| bool setColorWriteMask(int index, int colorWriteMask); |
| bool setWriteSRGB(bool sRGB); |
| |
| bool setColorLogicOpEnabled(bool colorLogicOpEnabled); |
| bool setLogicalOperation(LogicalOperation logicalOperation); |
| |
| bool depthWriteActive(); |
| bool alphaTestActive(); |
| bool depthBufferActive(); |
| bool stencilActive(); |
| |
| bool perspectiveActive(); |
| |
| bool alphaBlendActive(); |
| BlendFactor sourceBlendFactor(); |
| BlendFactor destBlendFactor(); |
| BlendOperation blendOperation(); |
| |
| BlendFactor sourceBlendFactorAlpha(); |
| BlendFactor destBlendFactorAlpha(); |
| BlendOperation blendOperationAlpha(); |
| |
| LogicalOperation colorLogicOp(); |
| |
| unsigned short pixelShaderModel() const; |
| unsigned short vertexShaderModel() const; |
| |
| int getMultiSampleCount() const; |
| |
| DrawType drawType; |
| |
| bool stencilEnable; |
| StencilCompareMode stencilCompareMode; |
| int stencilReference; |
| int stencilMask; |
| StencilOperation stencilFailOperation; |
| StencilOperation stencilPassOperation; |
| StencilOperation stencilZFailOperation; |
| int stencilWriteMask; |
| |
| bool twoSidedStencil; |
| StencilCompareMode stencilCompareModeCCW; |
| int stencilReferenceCCW; |
| int stencilMaskCCW; |
| StencilOperation stencilFailOperationCCW; |
| StencilOperation stencilPassOperationCCW; |
| StencilOperation stencilZFailOperationCCW; |
| int stencilWriteMaskCCW; |
| |
| // Pixel processor states |
| AlphaCompareMode alphaCompareMode; |
| bool alphaTestEnable; |
| |
| CullMode cullMode; |
| bool frontFacingCCW; |
| float alphaReference; |
| |
| float depthBias; |
| float slopeDepthBias; |
| |
| Sampler sampler[TOTAL_IMAGE_UNITS]; |
| |
| Format renderTargetInternalFormat(int index); |
| int colorWriteActive(); |
| int colorWriteActive(int index); |
| bool colorUsed(); |
| |
| Resource *texture[TOTAL_IMAGE_UNITS]; |
| Stream input[MAX_VERTEX_INPUTS]; |
| Resource *indexBuffer; |
| |
| Surface *renderTarget[RENDERTARGETS]; |
| unsigned int renderTargetLayer[RENDERTARGETS]; |
| Surface *depthBuffer; |
| unsigned int depthBufferLayer; |
| Surface *stencilBuffer; |
| unsigned int stencilBufferLayer; |
| |
| // Shaders |
| const PixelShader *pixelShader; |
| const VertexShader *vertexShader; |
| |
| // Instancing |
| int instanceID; |
| |
| bool occlusionEnabled; |
| bool transformFeedbackQueryEnabled; |
| uint64_t transformFeedbackEnabled; |
| |
| // Pixel processor states |
| bool rasterizerDiscard; |
| bool depthBufferEnable; |
| DepthCompareMode depthCompareMode; |
| bool depthWriteEnable; |
| |
| bool alphaBlendEnable; |
| BlendFactor sourceBlendFactorState; |
| BlendFactor destBlendFactorState; |
| BlendOperation blendOperationState; |
| |
| bool separateAlphaBlendEnable; |
| BlendFactor sourceBlendFactorStateAlpha; |
| BlendFactor destBlendFactorStateAlpha; |
| BlendOperation blendOperationStateAlpha; |
| |
| float lineWidth; |
| |
| int colorWriteMask[RENDERTARGETS]; // RGBA |
| bool writeSRGB; |
| unsigned int sampleMask; |
| unsigned int multiSampleMask; |
| |
| bool colorLogicOpEnabled; |
| LogicalOperation logicalOperation; |
| }; |
| } |
| |
| #endif // sw_Context_hpp |