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Support depth32float sampling on D3D12

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Bug: dawn:367
Change-Id: I026e718130cbd92427c6292045fd041c878d4f77
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/20840
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
This commit is contained in:
Austin Eng 2020-05-07 16:47:55 +00:00 committed by Commit Bot service account
parent e8bf706d16
commit 071fe56ffe
3 changed files with 32 additions and 18 deletions
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24
src/dawn_native/d3d12/SamplerD3D12.cpp
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@ -46,18 +46,30 @@ namespace dawn_native { namespace d3d12 {
// D3D12_FILTER_MIN_LINEAR_MAG_POINT_MIP_LINEAR = 0x11 17 1 0 1 // D3D12_FILTER_MIN_LINEAR_MAG_POINT_MIP_LINEAR = 0x11 17 1 0 1
// D3D12_FILTER_MIN_MAG_LINEAR_MIP_POINT = 0x14 20 1 1 0 // D3D12_FILTER_MIN_MAG_LINEAR_MIP_POINT = 0x14 20 1 1 0
// D3D12_FILTER_MIN_MAG_MIP_LINEAR = 0x15 21 1 1 1 // D3D12_FILTER_MIN_MAG_MIP_LINEAR = 0x15 21 1 1 1
// D3D12_FILTER_COMPARISON_MIN_MAG_MIP_POINT, = 0x80 128
// D3D12_FILTER_COMPARISON_MIN_MAG_POINT_MIP_LINEAR, = 0x81 129
// D3D12_FILTER_COMPARISON_MIN_POINT_MAG_LINEAR_MIP_POINT, = 0x84 132
// D3D12_FILTER_COMPARISON_MIN_POINT_MAG_MIP_LINEAR, = 0x85 133
// D3D12_FILTER_COMPARISON_MIN_LINEAR_MAG_MIP_POINT, = 0x90 144
// D3D12_FILTER_COMPARISON_MIN_LINEAR_MAG_POINT_MIP_LINEAR,= 0x91 145
// D3D12_FILTER_COMPARISON_MIN_MAG_LINEAR_MIP_POINT, = 0x94 148
// D3D12_FILTER_COMPARISON_MIN_MAG_MIP_LINEAR, = 0x95 149
// if mip mode is linear, add 1 // if mip mode is linear, add 0x1
// if mag mode is linear, add 4 // if mag mode is linear, add 0x4
// if min mode is linear, add 16 // if min mode is linear, add 0x10
// if comparison, add 0x80
uint8_t mode = 0; uint8_t mode = 0;
if (descriptor->compare != wgpu::CompareFunction::Undefined) {
mode += 0x80;
}
switch (descriptor->minFilter) { switch (descriptor->minFilter) {
case wgpu::FilterMode::Nearest: case wgpu::FilterMode::Nearest:
break; break;
case wgpu::FilterMode::Linear: case wgpu::FilterMode::Linear:
mode += 16; mode += 0x10;
break; break;
} }
@ -65,7 +77,7 @@ namespace dawn_native { namespace d3d12 {
case wgpu::FilterMode::Nearest: case wgpu::FilterMode::Nearest:
break; break;
case wgpu::FilterMode::Linear: case wgpu::FilterMode::Linear:
mode += 4; mode += 0x4;
break; break;
} }
@ -73,7 +85,7 @@ namespace dawn_native { namespace d3d12 {
case wgpu::FilterMode::Nearest: case wgpu::FilterMode::Nearest:
break; break;
case wgpu::FilterMode::Linear: case wgpu::FilterMode::Linear:
mode += 1; mode += 0x1;
break; break;
} }

5
src/dawn_native/d3d12/TextureD3D12.cpp
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@ -772,6 +772,11 @@ namespace dawn_native { namespace d3d12 {
TextureView::TextureView(TextureBase* texture, const TextureViewDescriptor* descriptor) TextureView::TextureView(TextureBase* texture, const TextureViewDescriptor* descriptor)
: TextureViewBase(texture, descriptor) { : TextureViewBase(texture, descriptor) {
mSrvDesc.Format = D3D12TextureFormat(descriptor->format); mSrvDesc.Format = D3D12TextureFormat(descriptor->format);
if (descriptor->format == wgpu::TextureFormat::Depth32Float) {
// TODO(enga): This will need to be much more nuanced when WebGPU has
// texture view compatibility rules.
mSrvDesc.Format = DXGI_FORMAT_R32_FLOAT;
}
mSrvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING; mSrvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
// Currently we always use D3D12_TEX2D_ARRAY_SRV because we cannot specify base array layer // Currently we always use D3D12_TEX2D_ARRAY_SRV because we cannot specify base array layer

5
src/tests/end2end/DepthSamplingTests.cpp
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@ -505,7 +505,4 @@ TEST_P(DepthSamplingTest, CompareFunctionsNonNormalizedContentsCompute) {
} }
} }
// TODO(crbug.com/dawn/367): Does not work on D3D12 because we need to reinterpret the texture view DAWN_INSTANTIATE_TEST(DepthSamplingTest, D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend());
// as R32Float to sample it. See tables here:
// https://docs.microsoft.com/en-us/windows/win32/direct3ddxgi/hardware-support-for-direct3d-12-1-formats
DAWN_INSTANTIATE_TEST(DepthSamplingTest, MetalBackend(), OpenGLBackend(), VulkanBackend());