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Code Issues Projects Releases Wiki Activity

Use SV_POSITION instead to compute pixel coordinates instead of fiddling with the polygon. This should fix the image being offset by 1 pixel.

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This commit is contained in:
elasota
2020-11-12 19:15:50 -05:00
parent 2c073937c3
commit 801408077a
4 changed files with 95 additions and 91 deletions
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165
GpDisplayDriver_D3D11/CompiledShaders/ScaleQuadP_D3D11.cpp
View File

@@ -1,10 +1,10 @@
static unsigned char gs_shaderData[] = { static unsigned char gs_shaderData[] = {
68, 88, 66, 67, 232, 177, 184, 42, 191, 44, 237, 186, 185, 1, 42, 68, 88, 66, 67, 36, 129, 233, 7, 7, 186, 125, 28, 230, 207, 54,
67, 157, 207, 200, 70, 1, 0, 0, 0, 116, 5, 0, 0, 5, 0, 71, 251, 69, 112, 99, 1, 0, 0, 0, 144, 5, 0, 0, 5, 0,
0, 0, 52, 0, 0, 0, 52, 1, 0, 0, 140, 1, 0, 0, 192, 0, 0, 52, 0, 0, 0, 60, 1, 0, 0, 148, 1, 0, 0, 200,
1, 0, 0, 248, 4, 0, 0, 82, 68, 69, 70, 248, 0, 0, 0, 1, 0, 0, 20, 5, 0, 0, 82, 68, 69, 70, 0, 1, 0, 0,
1, 0, 0, 0, 132, 0, 0, 0, 2, 0, 0, 0, 28, 0, 0, 1, 0, 0, 0, 132, 0, 0, 0, 2, 0, 0, 0, 28, 0, 0,
0, 0, 4, 255, 255, 0, 137, 0, 0, 208, 0, 0, 0, 92, 0, 0, 0, 4, 255, 255, 0, 137, 0, 0, 216, 0, 0, 0, 92, 0,
0, 0, 2, 0, 0, 0, 5, 0, 0, 0, 4, 0, 0, 0, 255, 0, 0, 2, 0, 0, 0, 5, 0, 0, 0, 4, 0, 0, 0, 255,
255, 255, 255, 0, 0, 0, 0, 1, 0, 0, 0, 9, 0, 0, 0, 255, 255, 255, 0, 0, 0, 0, 1, 0, 0, 0, 9, 0, 0, 0,
107, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 107, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -14,85 +14,86 @@ static unsigned char gs_shaderData[] = {
101, 108, 67, 111, 110, 115, 116, 97, 110, 116, 115, 0, 107, 0, 0, 101, 108, 67, 111, 110, 115, 116, 97, 110, 116, 115, 0, 107, 0, 0,
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0, 0, 0, 68, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 3, 0, 0, 68, 0, 0, 0,
3, 0, 0, 0, 1, 0, 0, 0, 3, 3, 0, 0, 83, 86, 95, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 1, 0, 0,
80, 79, 83, 73, 84, 73, 79, 78, 0, 84, 69, 88, 67, 79, 79, 0, 3, 0, 0, 0, 83, 86, 95, 80, 79, 83, 73, 84, 73, 79,
82, 68, 0, 171, 171, 171, 79, 83, 71, 78, 44, 0, 0, 0, 1, 78, 0, 84, 69, 88, 67, 79, 79, 82, 68, 0, 171, 171, 171, 79,
0, 0, 0, 8, 0, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 83, 71, 78, 44, 0, 0, 0, 1, 0, 0, 0, 8, 0, 0, 0,
0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 0,
0, 83, 86, 95, 84, 65, 82, 71, 69, 84, 0, 171, 171, 83, 72, 0, 0, 0, 0, 0, 15, 0, 0, 0, 83, 86, 95, 84, 65, 82,
68, 82, 48, 3, 0, 0, 64, 0, 0, 0, 204, 0, 0, 0, 89, 71, 69, 84, 0, 171, 171, 83, 72, 68, 82, 68, 3, 0, 0, 64,
0, 0, 4, 70, 142, 32, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 209, 0, 0, 0, 89, 0, 0, 4, 70, 142, 32, 0,
88, 24, 0, 4, 0, 112, 16, 0, 0, 0, 0, 0, 85, 85, 0, 0, 0, 0, 0, 1, 0, 0, 0, 88, 24, 0, 4, 0, 112, 16,
0, 98, 16, 0, 3, 50, 16, 16, 0, 1, 0, 0, 0, 101, 0, 0, 0, 0, 0, 0, 85, 85, 0, 0, 100, 32, 0, 4, 50, 16,
0, 3, 242, 32, 16, 0, 0, 0, 0, 0, 104, 0, 0, 2, 5, 16, 0, 0, 0, 0, 0, 1, 0, 0, 0, 101, 0, 0, 3, 242,
0, 0, 0, 51, 0, 0, 11, 50, 0, 16, 0, 0, 0, 0, 0, 32, 16, 0, 0, 0, 0, 0, 104, 0, 0, 2, 5, 0, 0, 0,
70, 128, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 64, 0, 0, 0, 0, 10, 50, 0, 16, 0, 0, 0, 0, 0, 70, 16, 16,
0, 0, 0, 128, 63, 0, 0, 128, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 64, 0, 0, 0, 0, 0, 191, 0, 0,
0, 0, 50, 0, 0, 14, 194, 0, 16, 0, 0, 0, 0, 0, 6, 0, 191, 0, 0, 0, 0, 0, 0, 0, 0, 56, 0, 0, 8, 50,
132, 32, 128, 65, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 16, 0, 0, 0, 0, 0, 70, 0, 16, 0, 0, 0, 0, 0,
2, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 230, 138, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 52, 0, 0,
63, 0, 0, 0, 63, 6, 20, 16, 0, 1, 0, 0, 0, 52, 0, 10, 50, 0, 16, 0, 0, 0, 0, 0, 70, 0, 16, 0, 0, 0,
0, 10, 194, 0, 16, 0, 0, 0, 0, 0, 166, 14, 16, 0, 0, 0, 0, 2, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 2, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 51, 0, 0, 11, 194, 0, 16, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 50, 0, 16, 0, 0, 0, 0, 6, 132, 32, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 70, 0, 16, 0, 0, 0, 0, 0, 230, 10, 0, 2, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
16, 0, 0, 0, 0, 0, 65, 0, 0, 5, 194, 0, 16, 0, 0, 128, 63, 0, 0, 128, 63, 0, 0, 0, 7, 194, 0, 16, 0, 0,
0, 0, 0, 166, 14, 16, 0, 0, 0, 0, 0, 27, 0, 0, 5, 0, 0, 0, 166, 14, 16, 0, 0, 0, 0, 0, 6, 4, 16, 0,
50, 0, 16, 0, 1, 0, 0, 0, 230, 10, 16, 0, 0, 0, 0, 0, 0, 0, 0, 65, 0, 0, 5, 50, 0, 16, 0, 0, 0, 0,
0, 65, 0, 0, 5, 194, 0, 16, 0, 0, 0, 0, 0, 6, 4, 0, 70, 0, 16, 0, 0, 0, 0, 0, 27, 0, 0, 5, 50, 0,
16, 0, 0, 0, 0, 0, 0, 0, 0, 8, 50, 0, 16, 0, 0, 16, 0, 1, 0, 0, 0, 70, 0, 16, 0, 0, 0, 0, 0, 65,
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0, 2, 0, 0, 0, 230, 10, 16, 0, 0, 0, 0, 0, 14, 32, 0, 6, 4, 16, 128, 65, 0, 0, 0, 0, 0, 0, 0, 166, 14,
0, 8, 50, 0, 16, 0, 0, 0, 0, 0, 70, 0, 16, 0, 0, 16, 0, 0, 0, 0, 0, 27, 0, 0, 5, 50, 0, 16, 0, 2,
0, 0, 0, 70, 128, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 70, 0, 16, 0, 0, 0, 0, 0, 14, 32, 0, 8,
54, 0, 0, 5, 66, 0, 16, 0, 1, 0, 0, 0, 1, 64, 0, 50, 0, 16, 0, 0, 0, 0, 0, 230, 10, 16, 0, 0, 0, 0,
0, 0, 0, 0, 0, 54, 0, 0, 5, 194, 0, 16, 0, 2, 0, 0, 70, 128, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 54, 0,
0, 0, 86, 9, 16, 0, 1, 0, 0, 0, 45, 0, 0, 7, 242, 0, 5, 66, 0, 16, 0, 1, 0, 0, 0, 1, 64, 0, 0, 0,
0, 16, 0, 3, 0, 0, 0, 70, 15, 16, 0, 2, 0, 0, 0, 0, 0, 0, 54, 0, 0, 5, 194, 0, 16, 0, 2, 0, 0, 0,
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0, 4, 0, 0, 0, 134, 15, 16, 0, 2, 0, 0, 0, 70, 126, 0, 3, 0, 0, 0, 70, 15, 16, 0, 2, 0, 0, 0, 70, 126,
16, 0, 0, 0, 0, 0, 54, 0, 0, 5, 130, 0, 16, 0, 1, 16, 0, 0, 0, 0, 0, 45, 0, 0, 7, 242, 0, 16, 0, 4,
0, 0, 0, 26, 0, 16, 0, 2, 0, 0, 0, 45, 0, 0, 7, 0, 0, 0, 134, 15, 16, 0, 2, 0, 0, 0, 70, 126, 16, 0,
242, 0, 16, 0, 2, 0, 0, 0, 198, 10, 16, 0, 1, 0, 0, 0, 0, 0, 0, 54, 0, 0, 5, 130, 0, 16, 0, 1, 0, 0,
0, 70, 126, 16, 0, 0, 0, 0, 0, 45, 0, 0, 7, 242, 0, 0, 26, 0, 16, 0, 2, 0, 0, 0, 45, 0, 0, 7, 242, 0,
16, 0, 1, 0, 0, 0, 70, 10, 16, 0, 1, 0, 0, 0, 70, 16, 0, 2, 0, 0, 0, 198, 10, 16, 0, 1, 0, 0, 0, 70,
126, 16, 0, 0, 0, 0, 0, 56, 0, 0, 7, 114, 0, 16, 0, 126, 16, 0, 0, 0, 0, 0, 45, 0, 0, 7, 242, 0, 16, 0,
4, 0, 0, 0, 6, 0, 16, 0, 0, 0, 0, 0, 70, 2, 16, 1, 0, 0, 0, 70, 10, 16, 0, 1, 0, 0, 0, 70, 126, 16,
0, 4, 0, 0, 0, 56, 0, 0, 7, 114, 0, 16, 0, 3, 0, 0, 0, 0, 0, 0, 56, 0, 0, 7, 114, 0, 16, 0, 4, 0,
0, 0, 6, 0, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0, 3, 0, 0, 6, 0, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0, 4,
0, 0, 0, 0, 0, 0, 11, 82, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 56, 0, 0, 7, 114, 0, 16, 0, 3, 0, 0, 0,
6, 1, 16, 128, 65, 0, 0, 0, 0, 0, 0, 0, 2, 64, 0, 6, 0, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0, 3, 0, 0,
0, 0, 0, 128, 63, 0, 0, 0, 0, 0, 0, 128, 63, 0, 0, 0, 0, 0, 0, 11, 82, 0, 16, 0, 0, 0, 0, 0, 6, 1,
0, 0, 50, 0, 0, 9, 114, 0, 16, 0, 2, 0, 0, 0, 6, 16, 128, 65, 0, 0, 0, 0, 0, 0, 0, 2, 64, 0, 0, 0,
0, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0, 2, 0, 0, 0, 0, 128, 63, 0, 0, 0, 0, 0, 0, 128, 63, 0, 0, 0, 0,
70, 2, 16, 0, 3, 0, 0, 0, 56, 0, 0, 7, 114, 0, 16, 50, 0, 0, 9, 114, 0, 16, 0, 2, 0, 0, 0, 6, 0, 16,
0, 2, 0, 0, 0, 86, 5, 16, 0, 0, 0, 0, 0, 70, 2, 0, 0, 0, 0, 0, 70, 2, 16, 0, 2, 0, 0, 0, 70, 2,
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0, 0, 0, 6, 0, 16, 0, 0, 0, 0, 0, 70, 8, 16, 0, 0, 0, 0, 86, 5, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0,
1, 0, 0, 0, 70, 8, 16, 0, 4, 0, 0, 0, 50, 0, 0, 2, 0, 0, 0, 50, 0, 0, 9, 178, 0, 16, 0, 0, 0, 0,
9, 114, 32, 16, 0, 0, 0, 0, 0, 166, 10, 16, 0, 0, 0, 0, 6, 0, 16, 0, 0, 0, 0, 0, 70, 8, 16, 0, 1, 0,
0, 0, 70, 3, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0, 2, 0, 0, 70, 8, 16, 0, 4, 0, 0, 0, 50, 0, 0, 9, 114,
0, 0, 0, 54, 0, 0, 5, 130, 32, 16, 0, 0, 0, 0, 0, 32, 16, 0, 0, 0, 0, 0, 166, 10, 16, 0, 0, 0, 0, 0,
1, 64, 0, 0, 0, 0, 128, 63, 62, 0, 0, 1, 83, 84, 65, 70, 3, 16, 0, 0, 0, 0, 0, 70, 2, 16, 0, 2, 0, 0,
84, 116, 0, 0, 0, 26, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 54, 0, 0, 5, 130, 32, 16, 0, 0, 0, 0, 0, 1, 64,
0, 0, 2, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 128, 63, 62, 0, 0, 1, 83, 84, 65, 84, 116,
0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 27, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0,
2, 0, 0, 0, 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0,
}; };
namespace GpBinarizedShaders namespace GpBinarizedShaders

10
GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp
View File

@@ -814,10 +814,10 @@ void GpDisplayDriverD3D11::ScaleVirtualScreen()
float fHeight = static_cast<float>(m_windowHeightVirtual) * m_pixelScaleY; float fHeight = static_cast<float>(m_windowHeightVirtual) * m_pixelScaleY;
DrawQuadVertexConstants vConstantsData; DrawQuadVertexConstants vConstantsData;
vConstantsData.m_ndcOriginX = twoDivWidth - 1.0f; vConstantsData.m_ndcOriginX = - 1.0f;
vConstantsData.m_ndcOriginY = negativeTwoDivHeight + 1.0f; vConstantsData.m_ndcOriginY = 1.0f;
vConstantsData.m_ndcWidth = fWidth * twoDivWidth; vConstantsData.m_ndcWidth = 2.0;
vConstantsData.m_ndcHeight = fHeight * negativeTwoDivHeight; vConstantsData.m_ndcHeight = -2.0;
vConstantsData.m_surfaceDimensionX = static_cast<float>(m_windowWidthVirtual); vConstantsData.m_surfaceDimensionX = static_cast<float>(m_windowWidthVirtual);
vConstantsData.m_surfaceDimensionY = static_cast<float>(m_windowHeightVirtual); vConstantsData.m_surfaceDimensionY = static_cast<float>(m_windowHeightVirtual);
@@ -832,6 +832,8 @@ void GpDisplayDriverD3D11::ScaleVirtualScreen()
ScaleQuadPixelConstants pConstantsData; ScaleQuadPixelConstants pConstantsData;
pConstantsData.m_dx = static_cast<float>(static_cast<double>(m_windowWidthVirtual) / static_cast<double>(m_windowWidthPhysical)); pConstantsData.m_dx = static_cast<float>(static_cast<double>(m_windowWidthVirtual) / static_cast<double>(m_windowWidthPhysical));
pConstantsData.m_dy = static_cast<float>(static_cast<double>(m_windowHeightVirtual) / static_cast<double>(m_windowHeightPhysical)); pConstantsData.m_dy = static_cast<float>(static_cast<double>(m_windowHeightVirtual) / static_cast<double>(m_windowHeightPhysical));
pConstantsData.m_invScaleX = static_cast<float>(1.0f / m_pixelScaleX);
pConstantsData.m_invScaleY = static_cast<float>(1.0f / m_pixelScaleY);
D3D11_MAPPED_SUBRESOURCE mappedPConstants; D3D11_MAPPED_SUBRESOURCE mappedPConstants;
if (m_deviceContext->Map(m_scaleQuadPixelConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedPConstants) == S_OK) if (m_deviceContext->Map(m_scaleQuadPixelConstantBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedPConstants) == S_OK)

3
GpDisplayDriver_D3D11/GpDisplayDriverD3D11.h
View File

@@ -99,7 +99,8 @@ private:
{ {
float m_dx; float m_dx;
float m_dy; float m_dy;
float m_unused[2]; float m_invScaleX;
float m_invScaleY;
}; };
struct CompactedPresentHistoryItem struct CompactedPresentHistoryItem

8
ShaderSrc/ScaleQuadP.hlsl
View File

@@ -5,7 +5,7 @@ Texture2D<float3> surfaceTexture : register(t0);
cbuffer SScaleQuadPixelConstants : register(b0) cbuffer SScaleQuadPixelConstants : register(b0)
{ {
float4 dxdy_Unused; float4 dxdy_InvPixelScale;
}; };
struct SDrawQuadPixelOutput struct SDrawQuadPixelOutput
@@ -20,10 +20,10 @@ float3 SamplePixel(int2 coord)
SDrawQuadPixelOutput PSMain(SDrawQuadPixelInput input) SDrawQuadPixelOutput PSMain(SDrawQuadPixelInput input)
{ {
float dx = dxdy_Unused.x; float dx = dxdy_InvPixelScale.x;
float dy = dxdy_Unused.y; float dy = dxdy_InvPixelScale.y;
float2 pixelTopLeftCoord = max(0.0, input.texCoord.xy - float2(dx, dy) * 0.5); float2 pixelTopLeftCoord = max(0.0, (input.pos.xy - float2(0.5, 0.5)) * dxdy_InvPixelScale.zw);
float2 pixelBottomRightCoord = pixelTopLeftCoord + min(float2(1.0, 1.0), float2(dx, dy)); float2 pixelBottomRightCoord = pixelTopLeftCoord + min(float2(1.0, 1.0), float2(dx, dy));
int2 topLeftCoordInteger = int2(floor(pixelTopLeftCoord)); int2 topLeftCoordInteger = int2(floor(pixelTopLeftCoord));