| // 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_Constants_hpp |
| #define sw_Constants_hpp |
| |
| #include "System/Math.hpp" |
| #include "System/Types.hpp" |
| #include "Vulkan/VkConfig.hpp" |
| |
| namespace sw { |
| |
| struct Constants |
| { |
| static const Constants &Get(); |
| |
| unsigned int transposeBit0[16]; |
| unsigned int transposeBit1[16]; |
| unsigned int transposeBit2[16]; |
| |
| ushort4 cWeight[17]; |
| float4 uvWeight[17]; |
| float4 uvStart[17]; |
| |
| unsigned int occlusionCount[16]; |
| |
| byte8 maskB4Q[16]; |
| byte8 invMaskB4Q[16]; |
| word4 maskW4Q[16]; |
| word4 invMaskW4Q[16]; |
| dword4 maskD4X[16]; |
| dword4 invMaskD4X[16]; |
| qword maskQ0Q[16]; |
| qword maskQ1Q[16]; |
| qword maskQ2Q[16]; |
| qword maskQ3Q[16]; |
| qword invMaskQ0Q[16]; |
| qword invMaskQ1Q[16]; |
| qword invMaskQ2Q[16]; |
| qword invMaskQ3Q[16]; |
| dword4 maskX0X[16]; |
| dword4 maskX1X[16]; |
| dword4 maskX2X[16]; |
| dword4 maskX3X[16]; |
| dword4 invMaskX0X[16]; |
| dword4 invMaskX1X[16]; |
| dword4 invMaskX2X[16]; |
| dword4 invMaskX3X[16]; |
| dword2 maskD01Q[16]; |
| dword2 maskD23Q[16]; |
| dword2 invMaskD01Q[16]; |
| dword2 invMaskD23Q[16]; |
| qword2 maskQ01X[16]; |
| qword2 maskQ23X[16]; |
| qword2 invMaskQ01X[16]; |
| qword2 invMaskQ23X[16]; |
| word4 maskW01Q[4]; |
| dword4 maskD01X[4]; |
| word4 mask565Q[8]; |
| dword2 mask10Q[16]; // 4 bit writemask -> A2B10G10R10 bit patterns, replicated 2x |
| word4 mask5551Q[16]; // 4 bit writemask -> A1R5G5B5 bit patterns, replicated 4x |
| word4 maskr5g5b5a1Q[16]; // 4 bit writemask -> R5G5B5A1 bit patterns, replicated 4x |
| word4 maskb5g5r5a1Q[16]; // 4 bit writemask -> B5G5R5A1 bit patterns, replicated 4x |
| word4 mask4rgbaQ[16]; // 4 bit writemask -> R4G4B4A4 bit patterns, replicated 4x |
| word4 mask4bgraQ[16]; // 4 bit writemask -> B4G4R4A4 bit patterns, replicated 4x |
| word4 mask4abgrQ[16]; // 4 bit writemask -> A4B4G4R4 bit patterns, replicated 4x |
| word4 mask4argbQ[16]; // 4 bit writemask -> A4R4G4B4 bit patterns, replicated 4x |
| dword4 mask11X[8]; // 3 bit writemask -> B10G11R11 bit patterns, replicated 4x |
| |
| unsigned short sRGBtoLinearFF_FF00[256]; |
| |
| unsigned short linearToSRGB12_16[4096]; |
| unsigned short sRGBtoLinear12_16[4096]; |
| |
| // Centroid parameters |
| float4 sampleX[4][16]; |
| float4 sampleY[4][16]; |
| float4 weight[16]; |
| |
| // Fragment offsets |
| int Xf[4]; |
| int Yf[4]; |
| |
| float4 X[4]; |
| float4 Y[4]; |
| |
| // VK_SAMPLE_COUNT_4_BIT |
| // https://www.khronos.org/registry/vulkan/specs/1.1/html/vkspec.html#primsrast-multisampling |
| static constexpr float VkSampleLocations4[][2] = { |
| { 0.375, 0.125 }, |
| { 0.875, 0.375 }, |
| { 0.125, 0.625 }, |
| { 0.625, 0.875 }, |
| }; |
| |
| // Vulkan spec sample positions are relative to 0,0 in top left corner, with Y+ going down. |
| // Convert to our space, with 0,0 in center, and Y+ going up. |
| static constexpr float SampleLocationsX[4] = { |
| VkSampleLocations4[0][0] - 0.5f, |
| VkSampleLocations4[1][0] - 0.5f, |
| VkSampleLocations4[2][0] - 0.5f, |
| VkSampleLocations4[3][0] - 0.5f, |
| }; |
| |
| static constexpr float SampleLocationsY[4] = { |
| VkSampleLocations4[0][1] - 0.5f, |
| VkSampleLocations4[1][1] - 0.5f, |
| VkSampleLocations4[2][1] - 0.5f, |
| VkSampleLocations4[3][1] - 0.5f, |
| }; |
| |
| // Compute the yMin and yMax multisample offsets so that they are just |
| // large enough (+/- max range - epsilon) to include sample points |
| static constexpr int yMinMultiSampleOffset = sw::toFixedPoint(1, vk::SUBPIXEL_PRECISION_BITS) - sw::toFixedPoint(sw::max(SampleLocationsY[0], SampleLocationsY[1], SampleLocationsY[2], SampleLocationsY[3]), vk::SUBPIXEL_PRECISION_BITS) - 1; |
| static constexpr int yMaxMultiSampleOffset = sw::toFixedPoint(1, vk::SUBPIXEL_PRECISION_BITS) + sw::toFixedPoint(sw::max(SampleLocationsY[0], SampleLocationsY[1], SampleLocationsY[2], SampleLocationsY[3]), vk::SUBPIXEL_PRECISION_BITS) - 1; |
| |
| dword maxX[16]; |
| dword maxY[16]; |
| dword maxZ[16]; |
| dword minX[16]; |
| dword minY[16]; |
| dword minZ[16]; |
| dword fini[16]; |
| |
| float4 unscaleByte; |
| float4 unscaleSByte; |
| float4 unscaleShort; |
| float4 unscaleUShort; |
| float4 unscaleInt; |
| float4 unscaleUInt; |
| float4 unscaleFixed; |
| |
| float half2float[65536]; |
| |
| private: |
| Constants(); |
| }; |
| |
| } // namespace sw |
| |
| #endif // sw_Constants_hpp |