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6c1d646ee9
If these extern variables are initialized after DAWN_INSTANTIATE_TEST, they will be zero. Change them to be function calls instead. Since they're function calls, fold in arguments from ForceToggles to enable/disable toggles. Bug: dawn:341 Change-Id: I1aeaa1e535a0a003977e8ce7ab3d5278c5d81281 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/16162 Reviewed-by: Mark Henderson <mehe@google.com> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
279 lines
12 KiB
C++
279 lines
12 KiB
C++
// Copyright 2017 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "tests/DawnTest.h"
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#include "common/Assert.h"
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#include "utils/ComboRenderPipelineDescriptor.h"
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#include "utils/WGPUHelpers.h"
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constexpr uint32_t kRTSize = 400;
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class IndexFormatTest : public DawnTest {
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protected:
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void TestSetUp() override {
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DawnTest::TestSetUp();
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renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize);
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}
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utils::BasicRenderPass renderPass;
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wgpu::RenderPipeline MakeTestPipeline(wgpu::IndexFormat format) {
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wgpu::ShaderModule vsModule =
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utils::CreateShaderModule(device, utils::SingleShaderStage::Vertex, R"(
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#version 450
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layout(location = 0) in vec4 pos;
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void main() {
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gl_Position = pos;
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})");
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wgpu::ShaderModule fsModule =
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utils::CreateShaderModule(device, utils::SingleShaderStage::Fragment, R"(
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#version 450
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layout(location = 0) out vec4 fragColor;
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void main() {
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fragColor = vec4(0.0, 1.0, 0.0, 1.0);
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})");
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utils::ComboRenderPipelineDescriptor descriptor(device);
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descriptor.vertexStage.module = vsModule;
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descriptor.cFragmentStage.module = fsModule;
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descriptor.primitiveTopology = wgpu::PrimitiveTopology::TriangleStrip;
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descriptor.cVertexState.indexFormat = format;
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descriptor.cVertexState.vertexBufferCount = 1;
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descriptor.cVertexState.cVertexBuffers[0].arrayStride = 4 * sizeof(float);
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descriptor.cVertexState.cVertexBuffers[0].attributeCount = 1;
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descriptor.cVertexState.cAttributes[0].format = wgpu::VertexFormat::Float4;
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descriptor.cColorStates[0].format = renderPass.colorFormat;
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return device.CreateRenderPipeline(&descriptor);
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}
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};
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// Test that the Uint32 index format is correctly interpreted
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TEST_P(IndexFormatTest, Uint32) {
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wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32);
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wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>(
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device, wgpu::BufferUsage::Vertex,
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{-1.0f, -1.0f, 0.0f, 1.0f, // Note Vertices[0] = Vertices[1]
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-1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f});
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// If this is interpreted as Uint16, then it would be 0, 1, 0, ... and would draw nothing.
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wgpu::Buffer indexBuffer =
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utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {1, 2, 3});
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wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
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{
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wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
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pass.SetPipeline(pipeline);
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pass.SetVertexBuffer(0, vertexBuffer);
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pass.SetIndexBuffer(indexBuffer);
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pass.DrawIndexed(3, 1, 0, 0, 0);
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pass.EndPass();
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}
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wgpu::CommandBuffer commands = encoder.Finish();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 100, 300);
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}
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// Test that the Uint16 index format is correctly interpreted
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TEST_P(IndexFormatTest, Uint16) {
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wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint16);
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wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>(
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device, wgpu::BufferUsage::Vertex,
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{-1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f});
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// If this is interpreted as uint32, it will have index 1 and 2 be both 0 and render nothing
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wgpu::Buffer indexBuffer =
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utils::CreateBufferFromData<uint16_t>(device, wgpu::BufferUsage::Index, {1, 2, 0, 0, 0, 0});
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wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
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{
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wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
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pass.SetPipeline(pipeline);
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pass.SetVertexBuffer(0, vertexBuffer);
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pass.SetIndexBuffer(indexBuffer);
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pass.DrawIndexed(3, 1, 0, 0, 0);
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pass.EndPass();
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}
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wgpu::CommandBuffer commands = encoder.Finish();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 100, 300);
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}
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// Test for primitive restart use vertices like in the drawing and draw the following
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// indices: 0 1 2 PRIM_RESTART 3 4 2. Then A and B should be written but not C.
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// |--------------|
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// | 0 |
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// | |\ |
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// | |B \ |
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// | 2---1 |
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// | /| C |
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// | / A| |
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// | 4---3 |
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// |--------------|
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// Test use of primitive restart with an Uint32 index format
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TEST_P(IndexFormatTest, Uint32PrimitiveRestart) {
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wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32);
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wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>(
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device, wgpu::BufferUsage::Vertex,
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{
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0.0f, -1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
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});
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wgpu::Buffer indexBuffer =
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utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index,
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{
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0,
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1,
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2,
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0xFFFFFFFFu,
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3,
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4,
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2,
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});
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wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
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{
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wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
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pass.SetPipeline(pipeline);
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pass.SetVertexBuffer(0, vertexBuffer);
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pass.SetIndexBuffer(indexBuffer);
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pass.DrawIndexed(7, 1, 0, 0, 0);
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pass.EndPass();
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}
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wgpu::CommandBuffer commands = encoder.Finish();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 190, 190); // A
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 210, 210); // B
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kZero, renderPass.color, 210, 190); // C
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}
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// Test use of primitive restart with an Uint16 index format
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TEST_P(IndexFormatTest, Uint16PrimitiveRestart) {
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wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint16);
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wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>(
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device, wgpu::BufferUsage::Vertex,
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{
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0.0f, -1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f,
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});
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wgpu::Buffer indexBuffer =
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utils::CreateBufferFromData<uint16_t>(device, wgpu::BufferUsage::Index,
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{
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0,
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1,
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2,
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0xFFFFu,
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3,
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4,
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2,
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// This value is for padding.
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0xFFFFu,
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});
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wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
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{
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wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
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pass.SetPipeline(pipeline);
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pass.SetVertexBuffer(0, vertexBuffer);
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pass.SetIndexBuffer(indexBuffer);
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pass.DrawIndexed(7, 1, 0, 0, 0);
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pass.EndPass();
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}
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wgpu::CommandBuffer commands = encoder.Finish();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 190, 190); // A
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 210, 210); // B
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kZero, renderPass.color, 210, 190); // C
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}
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// Test that the index format used is the format of the last set pipeline. This is to
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// prevent a case in D3D12 where the index format would be captured from the last
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// pipeline on SetIndexBuffer.
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TEST_P(IndexFormatTest, ChangePipelineAfterSetIndexBuffer) {
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DAWN_SKIP_TEST_IF(IsD3D12() || IsVulkan());
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wgpu::RenderPipeline pipeline32 = MakeTestPipeline(wgpu::IndexFormat::Uint32);
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wgpu::RenderPipeline pipeline16 = MakeTestPipeline(wgpu::IndexFormat::Uint16);
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wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>(
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device, wgpu::BufferUsage::Vertex,
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{-1.0f, -1.0f, 0.0f, 1.0f, // Note Vertices[0] = Vertices[1]
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-1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f});
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// If this is interpreted as Uint16, then it would be 0, 1, 0, ... and would draw nothing.
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wgpu::Buffer indexBuffer =
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utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {1, 2, 3});
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wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
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{
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wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
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pass.SetPipeline(pipeline16);
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pass.SetVertexBuffer(0, vertexBuffer);
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pass.SetIndexBuffer(indexBuffer);
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pass.SetPipeline(pipeline32);
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pass.DrawIndexed(3, 1, 0, 0, 0);
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pass.EndPass();
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}
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wgpu::CommandBuffer commands = encoder.Finish();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8::kGreen, renderPass.color, 100, 300);
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}
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// Test that setting the index buffer before the pipeline works, this is important
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// for backends where the index format is passed inside the call to SetIndexBuffer
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// because it needs to be done lazily (to query the format from the last pipeline).
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// TODO(cwallez@chromium.org): This is currently disallowed by the validation but
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// we want to support eventually.
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TEST_P(IndexFormatTest, DISABLED_SetIndexBufferBeforeSetPipeline) {
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wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32);
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wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>(
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device, wgpu::BufferUsage::Vertex,
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{-1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f});
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wgpu::Buffer indexBuffer =
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utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {0, 1, 2});
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wgpu::CommandEncoder encoder = device.CreateCommandEncoder();
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{
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wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo);
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pass.SetIndexBuffer(indexBuffer);
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pass.SetPipeline(pipeline);
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pass.SetVertexBuffer(0, vertexBuffer);
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pass.DrawIndexed(3, 1, 0, 0, 0);
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pass.EndPass();
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}
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wgpu::CommandBuffer commands = encoder.Finish();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8(0, 255, 0, 255), renderPass.color, 100, 300);
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}
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DAWN_INSTANTIATE_TEST(IndexFormatTest, D3D12Backend(), MetalBackend(), OpenGLBackend(), VulkanBackend());
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