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// Copyright 2021 The Dawn Authors
//
// 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 "tests/unittests/validation/ValidationTest.h"
#include "utils/WGPUHelpers.h"
class TextureInternalUsageValidationDisabledTest : public ValidationTest {};
// Test that using the feature is an error if it is not enabled
TEST_F(TextureInternalUsageValidationDisabledTest, RequiresFeature) {
wgpu::TextureDescriptor textureDesc = {};
textureDesc.size = {1, 1};
textureDesc.usage = wgpu::TextureUsage::CopySrc;
textureDesc.format = wgpu::TextureFormat::RGBA8Unorm;
// Control case: Normal texture creation works
device.CreateTexture(&textureDesc);
wgpu::DawnTextureInternalUsageDescriptor internalDesc = {};
textureDesc.nextInChain = &internalDesc;
// Error with chained feature struct.
ASSERT_DEVICE_ERROR(device.CreateTexture(&textureDesc));
// Also does not work with various internal usages.
internalDesc.internalUsage = wgpu::TextureUsage::CopySrc;
ASSERT_DEVICE_ERROR(device.CreateTexture(&textureDesc));
internalDesc.internalUsage = wgpu::TextureUsage::CopyDst;
ASSERT_DEVICE_ERROR(device.CreateTexture(&textureDesc));
}
class TextureInternalUsageValidationTest : public ValidationTest {
WGPUDevice CreateTestDevice() override {
dawn_native::DawnDeviceDescriptor descriptor;
descriptor.requiredFeatures.push_back("dawn-internal-usages");
return adapter.CreateDevice(&descriptor);
}
};
// Test that internal usages can be passed in a chained descriptor.
TEST_F(TextureInternalUsageValidationTest, Basic) {
wgpu::TextureDescriptor textureDesc = {};
textureDesc.size = {1, 1};
textureDesc.usage = wgpu::TextureUsage::CopySrc;
textureDesc.format = wgpu::TextureFormat::RGBA8Unorm;
wgpu::DawnTextureInternalUsageDescriptor internalDesc = {};
textureDesc.nextInChain = &internalDesc;
// Internal usage: none
device.CreateTexture(&textureDesc);
// Internal usage is the same as the base usage.
internalDesc.internalUsage = wgpu::TextureUsage::CopySrc;
device.CreateTexture(&textureDesc);
// Internal usage adds to the base usage.
internalDesc.internalUsage = wgpu::TextureUsage::CopyDst;
device.CreateTexture(&textureDesc);
}
// Test that internal usages takes part in other validation that
// depends on the usage.
TEST_F(TextureInternalUsageValidationTest, UsageValidation) {
{
wgpu::TextureDescriptor textureDesc = {};
textureDesc.size = {1, 1};
textureDesc.usage = wgpu::TextureUsage::CopySrc;
textureDesc.format = wgpu::TextureFormat::RGBA8Unorm;
wgpu::DawnTextureInternalUsageDescriptor internalDesc = {};
textureDesc.nextInChain = &internalDesc;
// Internal usage adds an invalid usage.
internalDesc.internalUsage = static_cast<wgpu::TextureUsage>(-1);
ASSERT_DEVICE_ERROR(device.CreateTexture(&textureDesc));
}
{
wgpu::TextureDescriptor textureDesc = {};
textureDesc.size = {1, 1};
textureDesc.usage = wgpu::TextureUsage::CopySrc;
textureDesc.format = wgpu::TextureFormat::RGBA8Unorm;
textureDesc.sampleCount = 4;
// Control case: multisampled texture
device.CreateTexture(&textureDesc);
wgpu::DawnTextureInternalUsageDescriptor internalDesc = {};
textureDesc.nextInChain = &internalDesc;
// OK: internal usage adds nothing.
device.CreateTexture(&textureDesc);
// Internal usage adds storage usage which is invalid
// with multisampling.
internalDesc.internalUsage = wgpu::TextureUsage::StorageBinding;
ASSERT_DEVICE_ERROR(device.CreateTexture(&textureDesc));
}
}
// Test that internal usage does not add to the validated usage
// for command encoding
// This test also test the internal copy
TEST_F(TextureInternalUsageValidationTest, CommandValidation) {
wgpu::TextureDescriptor textureDesc = {};
textureDesc.size = {1, 1};
textureDesc.format = wgpu::TextureFormat::RGBA8Unorm;
textureDesc.usage = wgpu::TextureUsage::CopyDst;
wgpu::Texture dst = device.CreateTexture(&textureDesc);
textureDesc.usage = wgpu::TextureUsage::CopySrc;
wgpu::Texture src = device.CreateTexture(&textureDesc);
textureDesc.usage = wgpu::TextureUsage::None;
wgpu::DawnTextureInternalUsageDescriptor internalDesc = {};
textureDesc.nextInChain = &internalDesc;
internalDesc.internalUsage = wgpu::TextureUsage::CopySrc;
wgpu::Texture srcInternal = device.CreateTexture(&textureDesc);
// Control: src -> dst
{
wgpu::ImageCopyTexture srcImageCopyTexture = utils::CreateImageCopyTexture(src, 0, {0, 0});
wgpu::ImageCopyTexture dstImageCopyTexture = utils::CreateImageCopyTexture(dst, 0, {0, 0});
wgpu::Extent3D extent3D = {1, 1};
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, &extent3D);
encoder.Finish();
}
// Invalid: src internal -> dst
{
wgpu::ImageCopyTexture srcImageCopyTexture =
utils::CreateImageCopyTexture(srcInternal, 0, {0, 0});
wgpu::ImageCopyTexture dstImageCopyTexture = utils::CreateImageCopyTexture(dst, 0, {0, 0});
wgpu::Extent3D extent3D = {1, 1};
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyTextureToTexture(&srcImageCopyTexture, &dstImageCopyTexture, &extent3D);
ASSERT_DEVICE_ERROR(encoder.Finish());
}
// Control with internal copy: src -> dst
{
wgpu::ImageCopyTexture srcImageCopyTexture = utils::CreateImageCopyTexture(src, 0, {0, 0});
wgpu::ImageCopyTexture dstImageCopyTexture = utils::CreateImageCopyTexture(dst, 0, {0, 0});
wgpu::Extent3D extent3D = {1, 1};
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyTextureToTextureInternal(&srcImageCopyTexture, &dstImageCopyTexture, &extent3D);
encoder.Finish();
}
// Valid with internal copy: src internal -> dst
{
wgpu::ImageCopyTexture srcImageCopyTexture =
utils::CreateImageCopyTexture(srcInternal, 0, {0, 0});
wgpu::ImageCopyTexture dstImageCopyTexture = utils::CreateImageCopyTexture(dst, 0, {0, 0});
wgpu::Extent3D extent3D = {1, 1};
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.CopyTextureToTextureInternal(&srcImageCopyTexture, &dstImageCopyTexture, &extent3D);
encoder.Finish();
}
}