| // 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/Half.hpp" |
| #include "System/Math.hpp" |
| |
| #include <cstring> |
| |
| namespace sw { |
| |
| constexpr float Constants::VkSampleLocations4[][2]; |
| constexpr float Constants::SampleLocationsX[4]; |
| constexpr float Constants::SampleLocationsY[4]; |
| |
| 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] = word4((i & 0x1 ? 0x001F : 0) | (i & 0x2 ? 0x07E0 : 0) | (i & 0x4 ? 0xF800 : 0)); |
| mask11X[i] = dword4((i & 0x1 ? 0x000007FFu : 0) | (i & 0x2 ? 0x003FF800u : 0) | (i & 0x4 ? 0xFFC00000u : 0)); |
| } |
| |
| for(int i = 0; i < 16; i++) |
| { |
| mask5551Q[i] = word4((i & 0x1 ? 0x001F : 0) | (i & 0x2 ? 0x03E0 : 0) | (i & 0x4 ? 0x7C00 : 0) | (i & 8 ? 0x8000 : 0)); |
| maskr5g5b5a1Q[i] = word4((i & 0x1 ? 0x003E : 0) | (i & 0x2 ? 0x07C0 : 0) | (i & 0x4 ? 0xF800 : 0) | (i & 8 ? 0x0001 : 0)); |
| maskb5g5r5a1Q[i] = word4((i & 0x1 ? 0xF800 : 0) | (i & 0x2 ? 0x07C0 : 0) | (i & 0x4 ? 0x003E : 0) | (i & 8 ? 0x0001 : 0)); |
| mask4rgbaQ[i] = word4((i & 0x1 ? 0x00F0 : 0) | (i & 0x2 ? 0x0F00 : 0) | (i & 0x4 ? 0xF000 : 0) | (i & 8 ? 0x000F : 0)); |
| mask4bgraQ[i] = word4((i & 0x1 ? 0xF000 : 0) | (i & 0x2 ? 0x0F00 : 0) | (i & 0x4 ? 0x00F0 : 0) | (i & 8 ? 0x000F : 0)); |
| mask4abgrQ[i] = word4((i & 0x1 ? 0x0F00 : 0) | (i & 0x2 ? 0x00F0 : 0) | (i & 0x4 ? 0x000F : 0) | (i & 8 ? 0xF000 : 0)); |
| mask4argbQ[i] = word4((i & 0x1 ? 0x000F : 0) | (i & 0x2 ? 0x00F0 : 0) | (i & 0x4 ? 0x0F00 : 0) | (i & 8 ? 0xF000 : 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 < 16; i++) |
| { |
| mask10Q[i][0] = mask10Q[i][1] = |
| (i & 0x1 ? 0x3FF : 0) | |
| (i & 0x2 ? 0xFFC00 : 0) | |
| (i & 0x4 ? 0x3FF00000 : 0) | |
| (i & 0x8 ? 0xC0000000 : 0); |
| } |
| |
| for(int i = 0; i < 256; i++) |
| { |
| sRGBtoLinearFF_FF00[i] = (unsigned short)(sRGBtoLinear((float)i / 0xFF) * 0xFF00 + 0.5f); |
| } |
| |
| for(int i = 0; i < 0x1000; i++) |
| { |
| linearToSRGB12_16[i] = (unsigned short)(clamp(linearToSRGB((float)i / 0x0FFF) * 0xFFFF + 0.5f, 0.0f, (float)0xFFFF)); |
| sRGBtoLinear12_16[i] = (unsigned short)(clamp(sRGBtoLinear((float)i / 0x0FFF) * 0xFFFF + 0.5f, 0.0f, (float)0xFFFF)); |
| } |
| |
| const float4 X[4] = { |
| float4(SampleLocationsX[0]), |
| float4(SampleLocationsX[1]), |
| float4(SampleLocationsX[2]), |
| float4(SampleLocationsX[3]), |
| }; |
| |
| const float4 Y[4] = { |
| float4(SampleLocationsY[0]), |
| float4(SampleLocationsY[1]), |
| float4(SampleLocationsY[2]), |
| float4(SampleLocationsY[3]), |
| }; |
| |
| for(int q = 0; q < 4; q++) |
| { |
| for(int c = 0; c < 16; c++) |
| { |
| for(int i = 0; i < 4; i++) |
| { |
| sampleX[q][c][i] = c & (1 << i) ? X[q][0] : 0.0f; |
| sampleY[q][c][i] = c & (1 << i) ? Y[q][0] : 0.0f; |
| weight[c][i] = c & (1 << i) ? 1.0f : 0.0f; |
| } |
| } |
| } |
| |
| constexpr auto subPixB = vk::SUBPIXEL_PRECISION_BITS; |
| |
| const int Xf[4] = { toFixedPoint(X[0][0], subPixB), toFixedPoint(X[1][0], subPixB), toFixedPoint(X[2][0], subPixB), toFixedPoint(X[3][0], subPixB) }; |
| const int Yf[4] = { toFixedPoint(Y[0][0], subPixB), toFixedPoint(Y[1][0], subPixB), toFixedPoint(Y[2][0], subPixB), toFixedPoint(Y[3][0], subPixB) }; |
| |
| memcpy(&this->Xf, &Xf, sizeof(Xf)); |
| memcpy(&this->Yf, &Yf, sizeof(Yf)); |
| |
| 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 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 }; |
| |
| // NOTE: Using "1.0f / 0x7FFFFFF" below results in a compiler error, e.g.: |
| // error: implicit conversion from 'int' to 'float' changes value from 2147483646 to 2147483648 |
| static const float4 unscaleInt = { (float)(1.0 / 0x7FFFFFFF), (float)(1.0 / 0x7FFFFFFF), (float)(1.0 / 0x7FFFFFFF), (float)(1.0 / 0x7FFFFFFF) }; |
| static const float4 unscaleUInt = { (float)(1.0 / 0xFFFFFFFF), (float)(1.0 / 0xFFFFFFFF), (float)(1.0 / 0xFFFFFFFF), (float)(1.0 / 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); |
| } |
| } |
| |
| } // namespace sw |
