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// Copyright 2019 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/DawnTest.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/WGPUHelpers.h"
constexpr uint32_t kRTSize = 4;
class DestroyTest : public DawnTest {
protected:
void SetUp() override {
DawnTest::SetUp();
DAWN_SKIP_TEST_IF(IsDawnValidationSkipped());
renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);
wgpu::ShaderModule vsModule =
utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"(
#version 450
layout(location = 0) in vec4 pos;
void main() {
gl_Position = pos;
})");
wgpu::ShaderModule fsModule =
utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"(
#version 450
layout(location = 0) out vec4 fragColor;
void main() {
fragColor = vec4(0.0, 1.0, 0.0, 1.0);
})");
utils::ComboRenderPipelineDescriptor descriptor(device);
descriptor.vertexStage.module = vsModule;
descriptor.cFragmentStage.module = fsModule;
descriptor.primitiveTopology = wgpu::PrimitiveTopology::TriangleStrip;
descriptor.cVertexState.vertexBufferCount = 1;
descriptor.cVertexState.cVertexBuffers[0].arrayStride = 4 * sizeof(float);
descriptor.cVertexState.cVertexBuffers[0].attributeCount = 1;
descriptor.cVertexState.cAttributes[0].format = wgpu::VertexFormat::Float4;
descriptor.cColorStates[0].format = renderPass.colorFormat;
pipeline = device.CreateRenderPipeline(&descriptor);
vertexBuffer = utils::CreateBufferFromData<float>(
device, wgpu::BufferUsage::Vertex,
{// The bottom left triangle
-1.0f, 1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, -1.0f, 0.0f, 1.0f});
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
encoder.BeginRenderPass(&renderPass.renderPassInfo).EndPass();
wgpu::CommandBuffer commands = encoder.Finish();
queue.Submit(1, &commands);
}
utils::BasicRenderPass renderPass;
wgpu::RenderPipeline pipeline;
wgpu::Buffer vertexBuffer;
wgpu::CommandBuffer CreateTriangleCommandBuffer() {
wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
{
wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
pass.SetPipeline(pipeline);
pass.SetVertexBuffer(0, vertexBuffer);
pass.Draw(3);
pass.EndPass();
}
wgpu::CommandBuffer commands = encoder.Finish();
return commands;
}
};
// Destroy before submit will result in error, and nothing drawn
TEST_P(DestroyTest, BufferDestroyBeforeSubmit) {
RGBA8 notFilled(0, 0, 0, 0);
wgpu::CommandBuffer commands = CreateTriangleCommandBuffer();
vertexBuffer.Destroy();
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
EXPECT_PIXEL_RGBA8_EQ(notFilled, renderPass.color, 1, 3);
}
// Destroy after submit will draw successfully
TEST_P(DestroyTest, BufferDestroyAfterSubmit) {
RGBA8 filled(0, 255, 0, 255);
wgpu::CommandBuffer commands = CreateTriangleCommandBuffer();
queue.Submit(1, &commands);
EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 1, 3);
vertexBuffer.Destroy();
}
// First submit succeeds, draws triangle, second submit fails
// after destroy is called on the buffer, pixel does not change
TEST_P(DestroyTest, BufferSubmitDestroySubmit) {
RGBA8 filled(0, 255, 0, 255);
wgpu::CommandBuffer commands = CreateTriangleCommandBuffer();
queue.Submit(1, &commands);
EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 1, 3);
vertexBuffer.Destroy();
// Submit fails because vertex buffer was destroyed
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
// Pixel stays the same
EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 1, 3);
}
// Destroy texture before submit should fail submit
TEST_P(DestroyTest, TextureDestroyBeforeSubmit) {
wgpu::CommandBuffer commands = CreateTriangleCommandBuffer();
renderPass.color.Destroy();
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
}
// Destroy after submit will draw successfully
TEST_P(DestroyTest, TextureDestroyAfterSubmit) {
RGBA8 filled(0, 255, 0, 255);
wgpu::CommandBuffer commands = CreateTriangleCommandBuffer();
queue.Submit(1, &commands);
EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 1, 3);
renderPass.color.Destroy();
}
// First submit succeeds, draws triangle, second submit fails
// after destroy is called on the texture
TEST_P(DestroyTest, TextureSubmitDestroySubmit) {
RGBA8 filled(0, 255, 0, 255);
wgpu::CommandBuffer commands = CreateTriangleCommandBuffer();
queue.Submit(1, &commands);
EXPECT_PIXEL_RGBA8_EQ(filled, renderPass.color, 1, 3);
renderPass.color.Destroy();
// Submit fails because texture was destroyed
ASSERT_DEVICE_ERROR(queue.Submit(1, &commands));
}
DAWN_INSTANTIATE_TEST(DestroyTest, D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend());