Google Git Google Git
Sign in
swiftshader/SwiftShader/b8f1a3a/./src/Pipeline/Constants.cpp
blob: 6535272b23b92aec7d490427f4d5607768e669e3 [file]
// 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 {
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 ? 0xF800 : 0) | (i & 0x2 ? 0x07C0 : 0) | (i & 0x4 ? 0x003E : 0) | (i & 8 ? 0x0001 : 0));
maskb5g5r5a1Q[i] = word4((i & 0x1 ? 0x003E : 0) | (i & 0x2 ? 0x07C0 : 0) | (i & 0x4 ? 0xF800 : 0) | (i & 8 ? 0x0001 : 0));
mask4argbQ[i] = word4((i & 0x1 ? 0x00F0 : 0) | (i & 0x2 ? 0x0F00 : 0) | (i & 0x4 ? 0xF000 : 0) | (i & 8 ? 0x000F : 0));
mask4rgbaQ[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 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) ? SampleLocationsX[q] : 0.0f;
sampleY[q][c][i] = c & (1 << i) ? SampleLocationsY[q] : 0.0f;
weight[c][i] = c & (1 << i) ? 1.0f : 0.0f;
}
}
}
constexpr auto subPixB = vk::SUBPIXEL_PRECISION_BITS;
const int Xf[4] = { toFixedPoint(SampleLocationsX[0], subPixB), toFixedPoint(SampleLocationsX[1], subPixB), toFixedPoint(SampleLocationsX[2], subPixB), toFixedPoint(SampleLocationsX[3], subPixB) };
const int Yf[4] = { toFixedPoint(SampleLocationsY[0], subPixB), toFixedPoint(SampleLocationsY[1], subPixB), toFixedPoint(SampleLocationsY[2], subPixB), toFixedPoint(SampleLocationsY[3], subPixB) };
memcpy(&this->Xf, &Xf, sizeof(Xf));
memcpy(&this->Yf, &Yf, sizeof(Yf));
for(int i = 0; i <= 0xFFFF; i++)
{
half2float[i] = static_cast<float>(bit_cast<half>(i));
}
}
} // namespace sw