| // 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. |
| |
| #include "Constants.hpp" |
| |
| #include "System/Math.hpp" |
| #include "System/Half.hpp" |
| |
| #include <cstring> |
| |
| namespace sw |
| { |
| Constants constants; |
| |
| Constants::Constants() |
| { |
| static const unsigned int transposeBit0[16] = |
| { |
| 0x00000000, |
| 0x00000001, |
| 0x00000010, |
| 0x00000011, |
| 0x00000100, |
| 0x00000101, |
| 0x00000110, |
| 0x00000111, |
| 0x00001000, |
| 0x00001001, |
| 0x00001010, |
| 0x00001011, |
| 0x00001100, |
| 0x00001101, |
| 0x00001110, |
| 0x00001111 |
| }; |
| |
| static const unsigned int transposeBit1[16] = |
| { |
| 0x00000000, |
| 0x00000002, |
| 0x00000020, |
| 0x00000022, |
| 0x00000200, |
| 0x00000202, |
| 0x00000220, |
| 0x00000222, |
| 0x00002000, |
| 0x00002002, |
| 0x00002020, |
| 0x00002022, |
| 0x00002200, |
| 0x00002202, |
| 0x00002220, |
| 0x00002222 |
| }; |
| |
| static const unsigned int transposeBit2[16] = |
| { |
| 0x00000000, |
| 0x00000004, |
| 0x00000040, |
| 0x00000044, |
| 0x00000400, |
| 0x00000404, |
| 0x00000440, |
| 0x00000444, |
| 0x00004000, |
| 0x00004004, |
| 0x00004040, |
| 0x00004044, |
| 0x00004400, |
| 0x00004404, |
| 0x00004440, |
| 0x00004444 |
| }; |
| |
| memcpy(&this->transposeBit0, transposeBit0, sizeof(transposeBit0)); |
| memcpy(&this->transposeBit1, transposeBit1, sizeof(transposeBit1)); |
| memcpy(&this->transposeBit2, transposeBit2, sizeof(transposeBit2)); |
| |
| static const ushort4 cWeight[17] = |
| { |
| {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF}, // 0xFFFF / 1 = 0xFFFF |
| {0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF}, // 0xFFFF / 1 = 0xFFFF |
| {0x8000, 0x8000, 0x8000, 0x8000}, // 0xFFFF / 2 = 0x8000 |
| {0x5555, 0x5555, 0x5555, 0x5555}, // 0xFFFF / 3 = 0x5555 |
| {0x4000, 0x4000, 0x4000, 0x4000}, // 0xFFFF / 4 = 0x4000 |
| {0x3333, 0x3333, 0x3333, 0x3333}, // 0xFFFF / 5 = 0x3333 |
| {0x2AAA, 0x2AAA, 0x2AAA, 0x2AAA}, // 0xFFFF / 6 = 0x2AAA |
| {0x2492, 0x2492, 0x2492, 0x2492}, // 0xFFFF / 7 = 0x2492 |
| {0x2000, 0x2000, 0x2000, 0x2000}, // 0xFFFF / 8 = 0x2000 |
| {0x1C71, 0x1C71, 0x1C71, 0x1C71}, // 0xFFFF / 9 = 0x1C71 |
| {0x1999, 0x1999, 0x1999, 0x1999}, // 0xFFFF / 10 = 0x1999 |
| {0x1745, 0x1745, 0x1745, 0x1745}, // 0xFFFF / 11 = 0x1745 |
| {0x1555, 0x1555, 0x1555, 0x1555}, // 0xFFFF / 12 = 0x1555 |
| {0x13B1, 0x13B1, 0x13B1, 0x13B1}, // 0xFFFF / 13 = 0x13B1 |
| {0x1249, 0x1249, 0x1249, 0x1249}, // 0xFFFF / 14 = 0x1249 |
| {0x1111, 0x1111, 0x1111, 0x1111}, // 0xFFFF / 15 = 0x1111 |
| {0x1000, 0x1000, 0x1000, 0x1000}, // 0xFFFF / 16 = 0x1000 |
| }; |
| |
| static const float4 uvWeight[17] = |
| { |
| {1.0f / 1.0f, 1.0f / 1.0f, 1.0f / 1.0f, 1.0f / 1.0f}, |
| {1.0f / 1.0f, 1.0f / 1.0f, 1.0f / 1.0f, 1.0f / 1.0f}, |
| {1.0f / 2.0f, 1.0f / 2.0f, 1.0f / 2.0f, 1.0f / 2.0f}, |
| {1.0f / 3.0f, 1.0f / 3.0f, 1.0f / 3.0f, 1.0f / 3.0f}, |
| {1.0f / 4.0f, 1.0f / 4.0f, 1.0f / 4.0f, 1.0f / 4.0f}, |
| {1.0f / 5.0f, 1.0f / 5.0f, 1.0f / 5.0f, 1.0f / 5.0f}, |
| {1.0f / 6.0f, 1.0f / 6.0f, 1.0f / 6.0f, 1.0f / 6.0f}, |
| {1.0f / 7.0f, 1.0f / 7.0f, 1.0f / 7.0f, 1.0f / 7.0f}, |
| {1.0f / 8.0f, 1.0f / 8.0f, 1.0f / 8.0f, 1.0f / 8.0f}, |
| {1.0f / 9.0f, 1.0f / 9.0f, 1.0f / 9.0f, 1.0f / 9.0f}, |
| {1.0f / 10.0f, 1.0f / 10.0f, 1.0f / 10.0f, 1.0f / 10.0f}, |
| {1.0f / 11.0f, 1.0f / 11.0f, 1.0f / 11.0f, 1.0f / 11.0f}, |
| {1.0f / 12.0f, 1.0f / 12.0f, 1.0f / 12.0f, 1.0f / 12.0f}, |
| {1.0f / 13.0f, 1.0f / 13.0f, 1.0f / 13.0f, 1.0f / 13.0f}, |
| {1.0f / 14.0f, 1.0f / 14.0f, 1.0f / 14.0f, 1.0f / 14.0f}, |
| {1.0f / 15.0f, 1.0f / 15.0f, 1.0f / 15.0f, 1.0f / 15.0f}, |
| {1.0f / 16.0f, 1.0f / 16.0f, 1.0f / 16.0f, 1.0f / 16.0f}, |
| }; |
| |
| static const float4 uvStart[17] = |
| { |
| {-0.0f / 2.0f, -0.0f / 2.0f, -0.0f / 2.0f, -0.0f / 2.0f}, |
| {-0.0f / 2.0f, -0.0f / 2.0f, -0.0f / 2.0f, -0.0f / 2.0f}, |
| {-1.0f / 4.0f, -1.0f / 4.0f, -1.0f / 4.0f, -1.0f / 4.0f}, |
| {-2.0f / 6.0f, -2.0f / 6.0f, -2.0f / 6.0f, -2.0f / 6.0f}, |
| {-3.0f / 8.0f, -3.0f / 8.0f, -3.0f / 8.0f, -3.0f / 8.0f}, |
| {-4.0f / 10.0f, -4.0f / 10.0f, -4.0f / 10.0f, -4.0f / 10.0f}, |
| {-5.0f / 12.0f, -5.0f / 12.0f, -5.0f / 12.0f, -5.0f / 12.0f}, |
| {-6.0f / 14.0f, -6.0f / 14.0f, -6.0f / 14.0f, -6.0f / 14.0f}, |
| {-7.0f / 16.0f, -7.0f / 16.0f, -7.0f / 16.0f, -7.0f / 16.0f}, |
| {-8.0f / 18.0f, -8.0f / 18.0f, -8.0f / 18.0f, -8.0f / 18.0f}, |
| {-9.0f / 20.0f, -9.0f / 20.0f, -9.0f / 20.0f, -9.0f / 20.0f}, |
| {-10.0f / 22.0f, -10.0f / 22.0f, -10.0f / 22.0f, -10.0f / 22.0f}, |
| {-11.0f / 24.0f, -11.0f / 24.0f, -11.0f / 24.0f, -11.0f / 24.0f}, |
| {-12.0f / 26.0f, -12.0f / 26.0f, -12.0f / 26.0f, -12.0f / 26.0f}, |
| {-13.0f / 28.0f, -13.0f / 28.0f, -13.0f / 28.0f, -13.0f / 28.0f}, |
| {-14.0f / 30.0f, -14.0f / 30.0f, -14.0f / 30.0f, -14.0f / 30.0f}, |
| {-15.0f / 32.0f, -15.0f / 32.0f, -15.0f / 32.0f, -15.0f / 32.0f}, |
| }; |
| |
| memcpy(&this->cWeight, cWeight, sizeof(cWeight)); |
| memcpy(&this->uvWeight, uvWeight, sizeof(uvWeight)); |
| memcpy(&this->uvStart, uvStart, sizeof(uvStart)); |
| |
| static const unsigned int occlusionCount[16] = {0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4}; |
| |
| memcpy(&this->occlusionCount, &occlusionCount, sizeof(occlusionCount)); |
| |
| for(int i = 0; i < 16; i++) |
| { |
| maskB4Q[i][0] = -(i >> 0 & 1); |
| maskB4Q[i][1] = -(i >> 1 & 1); |
| maskB4Q[i][2] = -(i >> 2 & 1); |
| maskB4Q[i][3] = -(i >> 3 & 1); |
| maskB4Q[i][4] = -(i >> 0 & 1); |
| maskB4Q[i][5] = -(i >> 1 & 1); |
| maskB4Q[i][6] = -(i >> 2 & 1); |
| maskB4Q[i][7] = -(i >> 3 & 1); |
| |
| invMaskB4Q[i][0] = ~maskB4Q[i][0]; |
| invMaskB4Q[i][1] = ~maskB4Q[i][1]; |
| invMaskB4Q[i][2] = ~maskB4Q[i][2]; |
| invMaskB4Q[i][3] = ~maskB4Q[i][3]; |
| invMaskB4Q[i][4] = ~maskB4Q[i][4]; |
| invMaskB4Q[i][5] = ~maskB4Q[i][5]; |
| invMaskB4Q[i][6] = ~maskB4Q[i][6]; |
| invMaskB4Q[i][7] = ~maskB4Q[i][7]; |
| |
| maskW4Q[i][0] = -(i >> 0 & 1); |
| maskW4Q[i][1] = -(i >> 1 & 1); |
| maskW4Q[i][2] = -(i >> 2 & 1); |
| maskW4Q[i][3] = -(i >> 3 & 1); |
| |
| invMaskW4Q[i][0] = ~maskW4Q[i][0]; |
| invMaskW4Q[i][1] = ~maskW4Q[i][1]; |
| invMaskW4Q[i][2] = ~maskW4Q[i][2]; |
| invMaskW4Q[i][3] = ~maskW4Q[i][3]; |
| |
| maskD4X[i][0] = -(i >> 0 & 1); |
| maskD4X[i][1] = -(i >> 1 & 1); |
| maskD4X[i][2] = -(i >> 2 & 1); |
| maskD4X[i][3] = -(i >> 3 & 1); |
| |
| invMaskD4X[i][0] = ~maskD4X[i][0]; |
| invMaskD4X[i][1] = ~maskD4X[i][1]; |
| invMaskD4X[i][2] = ~maskD4X[i][2]; |
| invMaskD4X[i][3] = ~maskD4X[i][3]; |
| |
| maskQ0Q[i] = -(i >> 0 & 1); |
| maskQ1Q[i] = -(i >> 1 & 1); |
| maskQ2Q[i] = -(i >> 2 & 1); |
| maskQ3Q[i] = -(i >> 3 & 1); |
| |
| invMaskQ0Q[i] = ~maskQ0Q[i]; |
| invMaskQ1Q[i] = ~maskQ1Q[i]; |
| invMaskQ2Q[i] = ~maskQ2Q[i]; |
| invMaskQ3Q[i] = ~maskQ3Q[i]; |
| |
| maskX0X[i][0] = maskX0X[i][1] = maskX0X[i][2] = maskX0X[i][3] = -(i >> 0 & 1); |
| maskX1X[i][0] = maskX1X[i][1] = maskX1X[i][2] = maskX1X[i][3] = -(i >> 1 & 1); |
| maskX2X[i][0] = maskX2X[i][1] = maskX2X[i][2] = maskX2X[i][3] = -(i >> 2 & 1); |
| maskX3X[i][0] = maskX3X[i][1] = maskX3X[i][2] = maskX3X[i][3] = -(i >> 3 & 1); |
| |
| invMaskX0X[i][0] = invMaskX0X[i][1] = invMaskX0X[i][2] = invMaskX0X[i][3] = ~maskX0X[i][0]; |
| invMaskX1X[i][0] = invMaskX1X[i][1] = invMaskX1X[i][2] = invMaskX1X[i][3] = ~maskX1X[i][0]; |
| invMaskX2X[i][0] = invMaskX2X[i][1] = invMaskX2X[i][2] = invMaskX2X[i][3] = ~maskX2X[i][0]; |
| invMaskX3X[i][0] = invMaskX3X[i][1] = invMaskX3X[i][2] = invMaskX3X[i][3] = ~maskX3X[i][0]; |
| |
| maskD01Q[i][0] = -(i >> 0 & 1); |
| maskD01Q[i][1] = -(i >> 1 & 1); |
| maskD23Q[i][0] = -(i >> 2 & 1); |
| maskD23Q[i][1] = -(i >> 3 & 1); |
| |
| invMaskD01Q[i][0] = ~maskD01Q[i][0]; |
| invMaskD01Q[i][1] = ~maskD01Q[i][1]; |
| invMaskD23Q[i][0] = ~maskD23Q[i][0]; |
| invMaskD23Q[i][1] = ~maskD23Q[i][1]; |
| |
| maskQ01X[i][0] = -(i >> 0 & 1); |
| maskQ01X[i][1] = -(i >> 1 & 1); |
| maskQ23X[i][0] = -(i >> 2 & 1); |
| maskQ23X[i][1] = -(i >> 3 & 1); |
| |
| invMaskQ01X[i][0] = ~maskQ01X[i][0]; |
| invMaskQ01X[i][1] = ~maskQ01X[i][1]; |
| invMaskQ23X[i][0] = ~maskQ23X[i][0]; |
| invMaskQ23X[i][1] = ~maskQ23X[i][1]; |
| } |
| |
| for(int i = 0; i < 8; i++) |
| { |
| mask565Q[i][0] = |
| mask565Q[i][1] = |
| mask565Q[i][2] = |
| mask565Q[i][3] = (i & 0x1 ? 0x001F : 0) | (i & 0x2 ? 0x07E0 : 0) | (i & 0x4 ? 0xF800 : 0); |
| } |
| |
| for(int i = 0; i < 4; i++) |
| { |
| maskW01Q[i][0] = -(i >> 0 & 1); |
| maskW01Q[i][1] = -(i >> 1 & 1); |
| maskW01Q[i][2] = -(i >> 0 & 1); |
| maskW01Q[i][3] = -(i >> 1 & 1); |
| |
| maskD01X[i][0] = -(i >> 0 & 1); |
| maskD01X[i][1] = -(i >> 1 & 1); |
| maskD01X[i][2] = -(i >> 0 & 1); |
| maskD01X[i][3] = -(i >> 1 & 1); |
| } |
| |
| for(int i = 0; i < 256; i++) |
| { |
| sRGBtoLinear8_16[i] = (unsigned short)(sw::sRGBtoLinear((float)i / 0xFF) * 0xFFFF + 0.5f); |
| } |
| |
| for(int i = 0; i < 64; i++) |
| { |
| sRGBtoLinear6_16[i] = (unsigned short)(sw::sRGBtoLinear((float)i / 0x3F) * 0xFFFF + 0.5f); |
| } |
| |
| for(int i = 0; i < 32; i++) |
| { |
| sRGBtoLinear5_16[i] = (unsigned short)(sw::sRGBtoLinear((float)i / 0x1F) * 0xFFFF + 0.5f); |
| } |
| |
| for(int i = 0; i < 0x1000; i++) |
| { |
| linearToSRGB12_16[i] = (unsigned short)(clamp(sw::linearToSRGB((float)i / 0x0FFF) * 0xFFFF + 0.5f, 0.0f, (float)0xFFFF)); |
| sRGBtoLinear12_16[i] = (unsigned short)(clamp(sw::sRGBtoLinear((float)i / 0x0FFF) * 0xFFFF + 0.5f, 0.0f, (float)0xFFFF)); |
| } |
| |
| for(int q = 0; q < 4; q++) |
| { |
| for(int c = 0; c < 16; c++) |
| { |
| for(int i = 0; i < 4; i++) |
| { |
| const float X[4] = {+0.3125f, -0.3125f, -0.1250f, +0.1250f}; |
| const float Y[4] = {+0.1250f, -0.1250f, +0.3125f, -0.3125f}; |
| |
| sampleX[q][c][i] = c & (1 << i) ? X[q] : 0.0f; |
| sampleY[q][c][i] = c & (1 << i) ? Y[q] : 0.0f; |
| weight[c][i] = c & (1 << i) ? 1.0f : 0.0f; |
| } |
| } |
| } |
| |
| const int Xf[4] = {-5, +5, +2, -2}; // Fragment offsets |
| const int Yf[4] = {-2, +2, -5, +5}; // Fragment offsets |
| |
| memcpy(&this->Xf, &Xf, sizeof(Xf)); |
| memcpy(&this->Yf, &Yf, sizeof(Yf)); |
| |
| static const float4 X[4] = {{-0.3125f, -0.3125f, -0.3125f, -0.3125f}, |
| {+0.3125f, +0.3125f, +0.3125f, +0.3125f}, |
| {+0.1250f, +0.1250f, +0.1250f, +0.1250f}, |
| {-0.1250f, -0.1250f, -0.1250f, -0.1250f}}; |
| |
| static const float4 Y[4] = {{-0.1250f, -0.1250f, -0.1250f, -0.1250f}, |
| {+0.1250f, +0.1250f, +0.1250f, +0.1250f}, |
| {-0.3125f, -0.3125f, -0.3125f, -0.3125f}, |
| {+0.3125f, +0.3125f, +0.3125f, +0.3125f}}; |
| |
| memcpy(&this->X, &X, sizeof(X)); |
| memcpy(&this->Y, &Y, sizeof(Y)); |
| |
| const dword maxX[16] = {0x00000000, 0x00000001, 0x00000100, 0x00000101, 0x00010000, 0x00010001, 0x00010100, 0x00010101, 0x01000000, 0x01000001, 0x01000100, 0x01000101, 0x01010000, 0x01010001, 0x01010100, 0x01010101}; |
| const dword maxY[16] = {0x00000000, 0x00000002, 0x00000200, 0x00000202, 0x00020000, 0x00020002, 0x00020200, 0x00020202, 0x02000000, 0x02000002, 0x02000200, 0x02000202, 0x02020000, 0x02020002, 0x02020200, 0x02020202}; |
| const dword maxZ[16] = {0x00000000, 0x00000004, 0x00000400, 0x00000404, 0x00040000, 0x00040004, 0x00040400, 0x00040404, 0x04000000, 0x04000004, 0x04000400, 0x04000404, 0x04040000, 0x04040004, 0x04040400, 0x04040404}; |
| const dword minX[16] = {0x00000000, 0x00000008, 0x00000800, 0x00000808, 0x00080000, 0x00080008, 0x00080800, 0x00080808, 0x08000000, 0x08000008, 0x08000800, 0x08000808, 0x08080000, 0x08080008, 0x08080800, 0x08080808}; |
| const dword minY[16] = {0x00000000, 0x00000010, 0x00001000, 0x00001010, 0x00100000, 0x00100010, 0x00101000, 0x00101010, 0x10000000, 0x10000010, 0x10001000, 0x10001010, 0x10100000, 0x10100010, 0x10101000, 0x10101010}; |
| const dword minZ[16] = {0x00000000, 0x00000020, 0x00002000, 0x00002020, 0x00200000, 0x00200020, 0x00202000, 0x00202020, 0x20000000, 0x20000020, 0x20002000, 0x20002020, 0x20200000, 0x20200020, 0x20202000, 0x20202020}; |
| const dword fini[16] = {0x00000000, 0x00000080, 0x00008000, 0x00008080, 0x00800000, 0x00800080, 0x00808000, 0x00808080, 0x80000000, 0x80000080, 0x80008000, 0x80008080, 0x80800000, 0x80800080, 0x80808000, 0x80808080}; |
| |
| memcpy(&this->maxX, &maxX, sizeof(maxX)); |
| memcpy(&this->maxY, &maxY, sizeof(maxY)); |
| memcpy(&this->maxZ, &maxZ, sizeof(maxZ)); |
| memcpy(&this->minX, &minX, sizeof(minX)); |
| memcpy(&this->minY, &minY, sizeof(minY)); |
| memcpy(&this->minZ, &minZ, sizeof(minZ)); |
| memcpy(&this->fini, &fini, sizeof(fini)); |
| |
| static const dword4 maxPos = {0x7F7FFFFF, 0x7F7FFFFF, 0x7F7FFFFF, 0x7F7FFFFE}; |
| |
| memcpy(&this->maxPos, &maxPos, sizeof(maxPos)); |
| |
| static const float4 unscaleByte = {1.0f / 0xFF, 1.0f / 0xFF, 1.0f / 0xFF, 1.0f / 0xFF}; |
| static const float4 unscaleSByte = {1.0f / 0x7F, 1.0f / 0x7F, 1.0f / 0x7F, 1.0f / 0x7F}; |
| static const float4 unscaleShort = {1.0f / 0x7FFF, 1.0f / 0x7FFF, 1.0f / 0x7FFF, 1.0f / 0x7FFF}; |
| static const float4 unscaleUShort = {1.0f / 0xFFFF, 1.0f / 0xFFFF, 1.0f / 0xFFFF, 1.0f / 0xFFFF}; |
| static const float4 unscaleInt = {1.0f / 0x7FFFFFFF, 1.0f / 0x7FFFFFFF, 1.0f / 0x7FFFFFFF, 1.0f / 0x7FFFFFFF}; |
| static const float4 unscaleUInt = {1.0f / 0xFFFFFFFF, 1.0f / 0xFFFFFFFF, 1.0f / 0xFFFFFFFF, 1.0f / 0xFFFFFFFF}; |
| static const float4 unscaleFixed = {1.0f / 0x00010000, 1.0f / 0x00010000, 1.0f / 0x00010000, 1.0f / 0x00010000}; |
| |
| memcpy(&this->unscaleByte, &unscaleByte, sizeof(unscaleByte)); |
| memcpy(&this->unscaleSByte, &unscaleSByte, sizeof(unscaleSByte)); |
| memcpy(&this->unscaleShort, &unscaleShort, sizeof(unscaleShort)); |
| memcpy(&this->unscaleUShort, &unscaleUShort, sizeof(unscaleUShort)); |
| memcpy(&this->unscaleInt, &unscaleInt, sizeof(unscaleInt)); |
| memcpy(&this->unscaleUInt, &unscaleUInt, sizeof(unscaleUInt)); |
| memcpy(&this->unscaleFixed, &unscaleFixed, sizeof(unscaleFixed)); |
| |
| for(int i = 0; i <= 0xFFFF; i++) |
| { |
| half2float[i] = (float)reinterpret_cast<half&>(i); |
| } |
| } |
| } |
