| // Copyright 2017 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "dawn/tests/DawnTest.h" |
| |
| #include "dawn/common/Assert.h" |
| #include "dawn/utils/ComboRenderPipelineDescriptor.h" |
| #include "dawn/utils/WGPUHelpers.h" |
| |
| namespace dawn { |
| namespace { |
| |
| constexpr uint32_t kRTSize = 400; |
| |
| class IndexFormatTest : public DawnTest { |
| protected: |
| void SetUp() override { |
| DawnTest::SetUp(); |
| |
| renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); |
| } |
| |
| utils::BasicRenderPass renderPass; |
| |
| wgpu::RenderPipeline MakeTestPipeline( |
| wgpu::IndexFormat format, |
| wgpu::PrimitiveTopology primitiveTopology = wgpu::PrimitiveTopology::TriangleStrip) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| struct VertexIn { |
| @location(0) pos : vec4f, |
| @builtin(vertex_index) idx : u32, |
| } |
| |
| @vertex fn main(input : VertexIn) -> @builtin(position) vec4f { |
| // 0xFFFFFFFE is a designated invalid index used by some tests. |
| if (input.idx == 0xFFFFFFFEu) { |
| return vec4f(0.0, 0.0, 0.0, 1.0); |
| } |
| return input.pos; |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| @fragment fn main() -> @location(0) vec4f { |
| return vec4f(0.0, 1.0, 0.0, 1.0); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.primitive.topology = primitiveTopology; |
| descriptor.primitive.stripIndexFormat = format; |
| descriptor.vertex.bufferCount = 1; |
| descriptor.cBuffers[0].arrayStride = 4 * sizeof(float); |
| descriptor.cBuffers[0].attributeCount = 1; |
| descriptor.cAttributes[0].format = wgpu::VertexFormat::Float32x4; |
| descriptor.cTargets[0].format = renderPass.colorFormat; |
| |
| return device.CreateRenderPipeline(&descriptor); |
| } |
| }; |
| |
| // Test that the Uint32 index format is correctly interpreted |
| TEST_P(IndexFormatTest, Uint32) { |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32); |
| |
| wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>( |
| device, wgpu::BufferUsage::Vertex, |
| {-1.0f, -1.0f, 0.0f, 1.0f, // Note Vertices[0] = Vertices[1] |
| -1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f}); |
| // If this is interpreted as Uint16, then it would be 0, 1, 0, ... and would draw nothing. |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {1, 2, 3}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.DrawIndexed(3); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 100, 300); |
| } |
| |
| // Test that the Uint16 index format is correctly interpreted |
| TEST_P(IndexFormatTest, Uint16) { |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint16); |
| |
| wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>( |
| device, wgpu::BufferUsage::Vertex, |
| {-1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f}); |
| // If this is interpreted as uint32, it will have index 1 and 2 be both 0 and render nothing |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint16_t>(device, wgpu::BufferUsage::Index, {1, 2, 0, 0, 0, 0}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint16); |
| pass.DrawIndexed(3); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 100, 300); |
| } |
| |
| // Test that the index format used is the format of the last set pipeline. This is to |
| // prevent a case in D3D12 where the index format would be captured from the last |
| // pipeline on SetIndexBuffer. |
| TEST_P(IndexFormatTest, ChangePipelineAfterSetIndexBuffer) { |
| wgpu::RenderPipeline pipeline32 = MakeTestPipeline(wgpu::IndexFormat::Uint32); |
| wgpu::RenderPipeline pipeline16 = MakeTestPipeline(wgpu::IndexFormat::Uint16); |
| |
| wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>( |
| device, wgpu::BufferUsage::Vertex, |
| {-1.0f, -1.0f, 0.0f, 1.0f, // Note Vertices[0] = Vertices[1] |
| -1.0f, -1.0f, 0.0f, 1.0f, 1.0f, -1.0f, 0.0f, 1.0f, -1.0f, 1.0f, 0.0f, 1.0f}); |
| // If this is interpreted as Uint16, then it would be 0, 1, 0, ... and would draw nothing. |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {1, 2, 3}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline16); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.SetPipeline(pipeline32); |
| pass.DrawIndexed(3); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 100, 300); |
| } |
| |
| // Test that setting the index buffer before the pipeline works, this is important |
| // for backends where the index format is passed inside the call to SetIndexBuffer |
| // because it needs to be done lazily (to query the format from the last pipeline). |
| TEST_P(IndexFormatTest, SetIndexBufferBeforeSetPipeline) { |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32); |
| |
| wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>( |
| device, wgpu::BufferUsage::Vertex, |
| {-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::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {0, 1, 2}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.DrawIndexed(3); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8(0, 255, 0, 255), renderPass.color, 100, 300); |
| } |
| |
| // Test that index buffers of multiple formats can be used with a pipeline that |
| // doesn't use strip primitive topology. |
| TEST_P(IndexFormatTest, SetIndexBufferDifferentFormats) { |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(wgpu::IndexFormat::Undefined, wgpu::PrimitiveTopology::TriangleList); |
| |
| wgpu::Buffer vertexBuffer = utils::CreateBufferFromData<float>( |
| device, wgpu::BufferUsage::Vertex, |
| {-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::Buffer indexBuffer32 = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {0, 1, 2}); |
| wgpu::Buffer indexBuffer16 = |
| utils::CreateBufferFromData<uint16_t>(device, wgpu::BufferUsage::Index, {0, 1, 2, 0}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetIndexBuffer(indexBuffer32, wgpu::IndexFormat::Uint32); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.DrawIndexed(3); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8(0, 255, 0, 255), renderPass.color, 100, 300); |
| |
| encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetIndexBuffer(indexBuffer16, wgpu::IndexFormat::Uint16); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, vertexBuffer); |
| pass.DrawIndexed(3); |
| pass.End(); |
| } |
| |
| commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8(0, 255, 0, 255), renderPass.color, 100, 300); |
| } |
| |
| // Tests for primitive restart use vertices like in the drawing and draw the following |
| // indices: 0 1 2 PRIM_RESTART 3 4 5. Then A and B should be written but not C. |
| // |--------------| |
| // | 0---1 | |
| // | \ B| | |
| // | \| | |
| // | 3 C 2 | |
| // | |\ | |
| // | |A \ | |
| // | 4---5 | |
| // |--------------| |
| |
| class TriangleStripPrimitiveRestartTests : public IndexFormatTest { |
| protected: |
| wgpu::Buffer mVertexBuffer; |
| |
| void SetUp() override { |
| IndexFormatTest::SetUp(); |
| mVertexBuffer = utils::CreateBufferFromData<float>(device, wgpu::BufferUsage::Vertex, |
| { |
| 0.0f, 1.0f, 0.0f, 1.0f, // 0 |
| 1.0f, 1.0f, 0.0f, 1.0f, // 1 |
| 1.0f, 0.0f, 0.0f, 1.0f, // 2 |
| -1.0f, 0.0f, 0.0f, 1.0f, // 3 |
| -1.0f, -1.0f, 0.0f, 1.0f, // 4 |
| 0.0f, -1.0f, 0.0f, 1.0f, // 5 |
| }); |
| } |
| }; |
| |
| // Test use of primitive restart with an Uint32 index format |
| TEST_P(TriangleStripPrimitiveRestartTests, Uint32PrimitiveRestart) { |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32); |
| |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, |
| { |
| 0, |
| 1, |
| 2, |
| 0xFFFFFFFFu, |
| 3, |
| 4, |
| 5, |
| }); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, mVertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.DrawIndexed(7); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 50, 350); // A |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 350, 50); // B |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kZero, renderPass.color, 198, 200); // C |
| } |
| |
| // Same as the above test, but uses an OOB index to emulate primitive restart being disabled, |
| // causing point C to be written to. |
| TEST_P(TriangleStripPrimitiveRestartTests, Uint32WithoutPrimitiveRestart) { |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint32); |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, |
| { |
| 0, |
| 1, |
| 2, |
| // Not a valid index. |
| 0xFFFFFFFEu, |
| 3, |
| 4, |
| 5, |
| }); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, mVertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.DrawIndexed(7); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 50, 350); // A |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 350, 50); // B |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 198, 200); // C |
| } |
| |
| // Test use of primitive restart with an Uint16 index format |
| TEST_P(TriangleStripPrimitiveRestartTests, Uint16PrimitiveRestart) { |
| wgpu::RenderPipeline pipeline = MakeTestPipeline(wgpu::IndexFormat::Uint16); |
| |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint16_t>(device, wgpu::BufferUsage::Index, |
| { |
| 0, |
| 1, |
| 2, |
| 0xFFFFu, |
| 3, |
| 4, |
| 5, |
| // This value is for padding. |
| 0xFFFFu, |
| }); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, mVertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint16); |
| pass.DrawIndexed(7); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 50, 350); // A |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 350, 50); // B |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kZero, renderPass.color, 198, 200); // C |
| } |
| |
| // Tests for primitive restart use vertices like in the drawing and draw the following |
| // indices: 0 1 PRIM_RESTART 2 3. Then 1 and 2 should be written but not A. |
| // |--------------| |
| // | 3 0| |
| // | | || |
| // | | || |
| // | 2 A 1| |
| // | | |
| // | | |
| // | | |
| // |--------------| |
| |
| class LineStripPrimitiveRestartTests : public IndexFormatTest { |
| protected: |
| protected: |
| wgpu::Buffer mVertexBuffer; |
| |
| void SetUp() override { |
| IndexFormatTest::SetUp(); |
| mVertexBuffer = utils::CreateBufferFromData<float>(device, wgpu::BufferUsage::Vertex, |
| { |
| 1.0f, 1.0f, 0.0f, 1.0f, // 0 |
| 1.0f, 0.0f, 0.0f, 1.0f, // 1 |
| 0.0f, 0.0f, 0.0f, 1.0f, // 2 |
| 0.0f, 1.0f, 0.0f, 1.0f // 3 |
| }); |
| } |
| }; |
| |
| TEST_P(LineStripPrimitiveRestartTests, Uint32PrimitiveRestart) { |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(wgpu::IndexFormat::Uint32, wgpu::PrimitiveTopology::LineStrip); |
| |
| wgpu::Buffer indexBuffer = utils::CreateBufferFromData<uint32_t>( |
| device, wgpu::BufferUsage::Index, {0, 1, 0xFFFFFFFFu, 2, 3}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, mVertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.DrawIndexed(5); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 399, 199); // 1 |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 199, 199); // 2 |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kZero, renderPass.color, 300, 199); // A |
| } |
| |
| // Same as the above test, but uses an OOB index to emulate primitive restart being disabled, |
| // causing point A to be written to. |
| TEST_P(LineStripPrimitiveRestartTests, Uint32WithoutPrimitiveRestart) { |
| // TODO(crbug.com/dawn/2295): diagnose this failure on Pixel 6 OpenGLES |
| DAWN_SUPPRESS_TEST_IF(IsOpenGLES() && IsAndroid() && IsARM()); |
| |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(wgpu::IndexFormat::Uint32, wgpu::PrimitiveTopology::LineStrip); |
| |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, |
| {0, 1, // Not a valid index |
| 0xFFFFFFFEu, 2, 3}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, mVertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint32); |
| pass.DrawIndexed(5); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 399, 199); // 1 |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 199, 199); // 2 |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 300, 199); // A |
| } |
| |
| TEST_P(LineStripPrimitiveRestartTests, Uint16PrimitiveRestart) { |
| wgpu::RenderPipeline pipeline = |
| MakeTestPipeline(wgpu::IndexFormat::Uint16, wgpu::PrimitiveTopology::LineStrip); |
| |
| wgpu::Buffer indexBuffer = |
| utils::CreateBufferFromData<uint16_t>(device, wgpu::BufferUsage::Index, |
| {0, 1, 0xFFFFu, 2, 3, // This value is for padding. |
| 0xFFFFu}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| { |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); |
| pass.SetPipeline(pipeline); |
| pass.SetVertexBuffer(0, mVertexBuffer); |
| pass.SetIndexBuffer(indexBuffer, wgpu::IndexFormat::Uint16); |
| pass.DrawIndexed(5); |
| pass.End(); |
| } |
| |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 399, 199); // 1 |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kGreen, renderPass.color, 199, 199); // 2 |
| EXPECT_PIXEL_RGBA8_EQ(utils::RGBA8::kZero, renderPass.color, 300, 199); // A |
| } |
| |
| DAWN_INSTANTIATE_TEST(IndexFormatTest, |
| D3D11Backend(), |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| DAWN_INSTANTIATE_TEST(TriangleStripPrimitiveRestartTests, |
| D3D11Backend(), |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| DAWN_INSTANTIATE_TEST(LineStripPrimitiveRestartTests, |
| D3D11Backend(), |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| } // anonymous namespace |
| } // namespace dawn |