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Reland "Add ComparisonSampler binding type and validation tests"

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This is a reland of 6d9e4f8076
Now that the Chromium-side API change has landed, this CL can land.

Original change's description:
> Add ComparisonSampler binding type and validation tests
>
> Bug: dawn:367
> Change-Id: Iba1d3d03f6247a356b6f3fabfe7a7ba3c0753171
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/18423
> Reviewed-by: Austin Eng <enga@chromium.org>
> Commit-Queue: Austin Eng <enga@chromium.org>

Bug: dawn:367
TBR=cwallez@chromium.org,kainino@chromium.org
Change-Id: I325d096e7ce092d17833429c3f54ef7c71189739
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/20045
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
This commit is contained in:
Austin Eng
2020-04-20 23:43:20 +00:00
committed by Commit Bot service account
parent 7e8385c183
commit 7817a9aafe
26 changed files with 199 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/tests/end2end/BindGroupTests.cpp
View File

@@ -264,16 +264,13 @@ TEST_P(BindGroupTests, UBOSamplerAndTexture) {
wgpu::Buffer buffer = utils::CreateBufferFromData(device, &transform, sizeof(transform),
wgpu::BufferUsage::Uniform);
wgpu::SamplerDescriptor samplerDescriptor;
wgpu::SamplerDescriptor samplerDescriptor = {};
samplerDescriptor.minFilter = wgpu::FilterMode::Nearest;
samplerDescriptor.magFilter = wgpu::FilterMode::Nearest;
samplerDescriptor.mipmapFilter = wgpu::FilterMode::Nearest;
samplerDescriptor.addressModeU = wgpu::AddressMode::ClampToEdge;
samplerDescriptor.addressModeV = wgpu::AddressMode::ClampToEdge;
samplerDescriptor.addressModeW = wgpu::AddressMode::ClampToEdge;
samplerDescriptor.lodMinClamp = kLodMin;
samplerDescriptor.lodMaxClamp = kLodMax;
samplerDescriptor.compare = wgpu::CompareFunction::Never;
wgpu::Sampler sampler = device.CreateSampler(&samplerDescriptor);

5
src/tests/end2end/SamplerTests.cpp
View File

@@ -122,16 +122,13 @@ protected:
void TestAddressModes(AddressModeTestCase u, AddressModeTestCase v, AddressModeTestCase w) {
wgpu::Sampler sampler;
{
wgpu::SamplerDescriptor descriptor;
wgpu::SamplerDescriptor descriptor = {};
descriptor.minFilter = wgpu::FilterMode::Nearest;
descriptor.magFilter = wgpu::FilterMode::Nearest;
descriptor.mipmapFilter = wgpu::FilterMode::Nearest;
descriptor.addressModeU = u.mMode;
descriptor.addressModeV = v.mMode;
descriptor.addressModeW = w.mMode;
descriptor.lodMinClamp = kLodMin;
descriptor.lodMaxClamp = kLodMax;
descriptor.compare = wgpu::CompareFunction::Never;
sampler = device.CreateSampler(&descriptor);
}

5
src/tests/end2end/TextureViewTests.cpp
View File

@@ -86,16 +86,13 @@ protected:
wgpu::FilterMode kFilterMode = wgpu::FilterMode::Nearest;
wgpu::AddressMode kAddressMode = wgpu::AddressMode::ClampToEdge;
wgpu::SamplerDescriptor samplerDescriptor;
wgpu::SamplerDescriptor samplerDescriptor = {};
samplerDescriptor.minFilter = kFilterMode;
samplerDescriptor.magFilter = kFilterMode;
samplerDescriptor.mipmapFilter = kFilterMode;
samplerDescriptor.addressModeU = kAddressMode;
samplerDescriptor.addressModeV = kAddressMode;
samplerDescriptor.addressModeW = kAddressMode;
samplerDescriptor.lodMinClamp = kLodMin;
samplerDescriptor.lodMaxClamp = kLodMax;
samplerDescriptor.compare = wgpu::CompareFunction::Never;
mSampler = device.CreateSampler(&samplerDescriptor);
mVSModule = CreateDefaultVertexShaderModule(device);

123
src/tests/unittests/validation/BindGroupValidationTests.cpp
View File

@@ -1506,3 +1506,126 @@ TEST_F(BindingsValidationTest, BindGroupsWithLessBindingsThanPipelineLayout) {
TestComputePassBindings(bg.data(), kBindingNum, computePipeline, false);
}
class ComparisonSamplerBindingTest : public ValidationTest {
protected:
wgpu::RenderPipeline CreateFragmentPipeline(wgpu::BindGroupLayout* bindGroupLayout,
const char* fragmentSource) {
wgpu::ShaderModule vsModule =
utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"(
#version 450
void main() {
})");
wgpu::ShaderModule fsModule =
utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, fragmentSource);
utils::ComboRenderPipelineDescriptor pipelineDescriptor(device);
pipelineDescriptor.vertexStage.module = vsModule;
pipelineDescriptor.cFragmentStage.module = fsModule;
wgpu::PipelineLayout pipelineLayout =
utils::MakeBasicPipelineLayout(device, bindGroupLayout);
pipelineDescriptor.layout = pipelineLayout;
return device.CreateRenderPipeline(&pipelineDescriptor);
}
};
// TODO(crbug.com/dawn/367): Disabled until we can perform shader analysis
// of which samplers are comparison samplers.
TEST_F(ComparisonSamplerBindingTest, DISABLED_ShaderAndBGLMatches) {
// Test that sampler binding works with normal sampler in the shader.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::Sampler}});
CreateFragmentPipeline(&bindGroupLayout, R"(
#version 450
layout(set = 0, binding = 0) uniform sampler samp;
void main() {
})");
}
// Test that comparison sampler binding works with shadow sampler in the shader.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::ComparisonSampler}});
CreateFragmentPipeline(&bindGroupLayout, R"(
#version 450
layout(set = 0, binding = 0) uniform samplerShadow samp;
void main() {
})");
}
// Test that sampler binding does not work with comparison sampler in the shader.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::Sampler}});
ASSERT_DEVICE_ERROR(CreateFragmentPipeline(&bindGroupLayout, R"(
#version 450
layout(set = 0, binding = 0) uniform samplerShadow samp;
void main() {
})"));
}
// Test that comparison sampler binding does not work with normal sampler in the shader.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::ComparisonSampler}});
ASSERT_DEVICE_ERROR(CreateFragmentPipeline(&bindGroupLayout, R"(
#version 450
layout(set = 0, binding = 0) uniform sampler samp;
void main() {
})"));
}
}
TEST_F(ComparisonSamplerBindingTest, SamplerAndBindGroupMatches) {
// Test that sampler binding works with normal sampler.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::Sampler}});
wgpu::SamplerDescriptor desc = {};
utils::MakeBindGroup(device, bindGroupLayout, {{0, device.CreateSampler(&desc)}});
}
// Test that comparison sampler binding works with sampler w/ compare function.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::ComparisonSampler}});
wgpu::SamplerDescriptor desc = {
.compare = wgpu::CompareFunction::Never,
};
utils::MakeBindGroup(device, bindGroupLayout, {{0, device.CreateSampler(&desc)}});
}
// Test that sampler binding does not work with sampler w/ compare function.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::Sampler}});
wgpu::SamplerDescriptor desc = {
.compare = wgpu::CompareFunction::Never,
};
ASSERT_DEVICE_ERROR(
utils::MakeBindGroup(device, bindGroupLayout, {{0, device.CreateSampler(&desc)}}));
}
// Test that comparison sampler binding does not work with normal sampler.
{
wgpu::BindGroupLayout bindGroupLayout = utils::MakeBindGroupLayout(
device, {{0, wgpu::ShaderStage::Fragment, wgpu::BindingType::ComparisonSampler}});
wgpu::SamplerDescriptor desc = {};
ASSERT_DEVICE_ERROR(
utils::MakeBindGroup(device, bindGroupLayout, {{0, device.CreateSampler(&desc)}}));
}
}