| // Copyright 2018 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 "src/dawn/tests/DawnTest.h" | |
| #include "src/dawn/utils/ComboRenderPipelineDescriptor.h" | |
| #include "src/dawn/utils/WGPUHelpers.h" | |
| namespace dawn { | |
| namespace { | |
| constexpr uint32_t kRTSize = 4; | |
| class DrawIndexedTest : public DawnTest { | |
| protected: | |
| void SetUp() override { | |
| DawnTest::SetUp(); | |
| renderPass = utils::CreateBasicRenderPass(device, kRTSize, kRTSize); | |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( | |
| @vertex | |
| fn main(@location(0) pos : vec4f) -> @builtin(position) vec4f { | |
| return 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 = wgpu::PrimitiveTopology::TriangleStrip; | |
| descriptor.primitive.stripIndexFormat = wgpu::IndexFormat::Uint32; | |
| 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; | |
| pipeline = device.CreateRenderPipeline(&descriptor); | |
| vertexBuffer = utils::CreateBufferFromData<float>( | |
| device, wgpu::BufferUsage::Vertex, | |
| {// First quad: the first 3 vertices represent 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, 1.0f, 1.0f, | |
| 0.0f, 1.0f, | |
| // Second quad: the first 3 vertices represent the top right 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, -1.0f, -1.0f, | |
| 0.0f, 1.0f}); | |
| indexBuffer = utils::CreateBufferFromData<uint32_t>( | |
| device, wgpu::BufferUsage::Index, | |
| {0, 1, 2, 0, 3, 1, | |
| // The indices below are added to test negatve baseVertex | |
| 0 + 4, 1 + 4, 2 + 4, 0 + 4, 3 + 4, 1 + 4}); | |
| zeroSizedIndexBuffer = | |
| utils::CreateBufferFromData<uint32_t>(device, wgpu::BufferUsage::Index, {}); | |
| } | |
| utils::BasicRenderPass renderPass; | |
| wgpu::RenderPipeline pipeline; | |
| wgpu::Buffer vertexBuffer; | |
| wgpu::Buffer indexBuffer; | |
| wgpu::Buffer zeroSizedIndexBuffer; | |
| void Test(uint32_t indexCount, | |
| uint32_t instanceCount, | |
| uint32_t firstIndex, | |
| int32_t baseVertex, | |
| uint32_t firstInstance, | |
| uint64_t bufferOffset, | |
| utils::RGBA8 bottomLeftExpected, | |
| utils::RGBA8 topRightExpected) { | |
| // Regular draw with a reasonable index buffer | |
| TestImplementation(indexCount, instanceCount, firstIndex, baseVertex, firstInstance, | |
| bufferOffset, indexBuffer, bottomLeftExpected, topRightExpected); | |
| } | |
| void TestZeroSizedIndexBufferDraw(uint32_t indexCount, | |
| uint32_t firstIndex, | |
| utils::RGBA8 bottomLeftExpected, | |
| utils::RGBA8 topRightExpected) { | |
| TestImplementation(indexCount, 1, firstIndex, 0, 0, 0, zeroSizedIndexBuffer, | |
| bottomLeftExpected, topRightExpected); | |
| } | |
| void TestImplementation(uint32_t indexCount, | |
| uint32_t instanceCount, | |
| uint32_t firstIndex, | |
| int32_t baseVertex, | |
| uint32_t firstInstance, | |
| uint64_t bufferOffset, | |
| const wgpu::Buffer& curIndexBuffer, | |
| utils::RGBA8 bottomLeftExpected, | |
| utils::RGBA8 topRightExpected) { | |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); | |
| { | |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass.renderPassInfo); | |
| pass.SetPipeline(pipeline); | |
| pass.SetVertexBuffer(0, vertexBuffer); | |
| pass.SetIndexBuffer(curIndexBuffer, wgpu::IndexFormat::Uint32, bufferOffset); | |
| pass.DrawIndexed(indexCount, instanceCount, firstIndex, baseVertex, firstInstance); | |
| pass.End(); | |
| } | |
| wgpu::CommandBuffer commands = encoder.Finish(); | |
| queue.Submit(1, &commands); | |
| EXPECT_PIXEL_RGBA8_EQ(bottomLeftExpected, renderPass.color, 1, 3); | |
| EXPECT_PIXEL_RGBA8_EQ(topRightExpected, renderPass.color, 3, 1); | |
| } | |
| }; | |
| // The most basic DrawIndexed triangle draw. | |
| TEST_P(DrawIndexedTest, Uint32) { | |
| // TODO(crbug.com/468047553): Fails on Win11/NVIDIA GTX 1660. | |
| DAWN_SUPPRESS_TEST_IF(IsWindows11() && IsNvidia() && IsD3D12() && IsBackendValidationEnabled()); | |
| // TODO(crbug.com/468047553): Fails on Win11/AMD RX 5500 XT. | |
| DAWN_SUPPRESS_TEST_IF(IsWindows11() && IsAMD() && IsD3D12() && IsBackendValidationEnabled()); | |
| utils::RGBA8 filled(0, 255, 0, 255); | |
| utils::RGBA8 notFilled(0, 0, 0, 0); | |
| // Test a draw with no indices. | |
| Test(0, 0, 0, 0, 0, 0, notFilled, notFilled); | |
| // Test a draw with only the first 3 indices of the first quad (bottom left triangle) | |
| Test(3, 1, 0, 0, 0, 0, filled, notFilled); | |
| // Test a draw with only the last 3 indices of the first quad (top right triangle) | |
| Test(3, 1, 3, 0, 0, 0, notFilled, filled); | |
| // Test a draw with all 6 indices (both triangles). | |
| Test(6, 1, 0, 0, 0, 0, filled, filled); | |
| } | |
| // Test the parameter 'baseVertex' of DrawIndexed() works. | |
| TEST_P(DrawIndexedTest, BaseVertex) { | |
| DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_base_vertex")); | |
| utils::RGBA8 filled(0, 255, 0, 255); | |
| utils::RGBA8 notFilled(0, 0, 0, 0); | |
| // Test a draw with only the first 3 indices of the second quad (top right triangle) | |
| Test(3, 1, 0, 4, 0, 0, notFilled, filled); | |
| // Test a draw with only the last 3 indices of the second quad (bottom left triangle) | |
| Test(3, 1, 3, 4, 0, 0, filled, notFilled); | |
| } | |
| // Test the parameter 'baseVertex' of DrawIndexed() works. | |
| TEST_P(DrawIndexedTest, NegativeBaseVertex) { | |
| DAWN_TEST_UNSUPPORTED_IF(HasToggleEnabled("disable_base_vertex")); | |
| // TODO(crbug.com/40238674): Fails on Pixel 10. | |
| DAWN_SUPPRESS_TEST_IF(IsImgTec()); | |
| // TODO(crbug.com/343178421): ANGLE/SwiftShader and ANGLE/D3D11 fail with negative baseVertex. | |
| DAWN_SUPPRESS_TEST_IF(IsANGLESwiftShader()); | |
| // Also failing on Qualcomm and ARM GLES. | |
| DAWN_SUPPRESS_TEST_IF(IsOpenGLES() && IsAndroid() && (IsQualcomm() || IsARM())); | |
| utils::RGBA8 filled(0, 255, 0, 255); | |
| utils::RGBA8 notFilled(0, 0, 0, 0); | |
| // Test negative baseVertex | |
| // Test a draw with only the first 3 indices of the first quad (bottom left triangle) | |
| Test(3, 1, 0, -4, 0, 6 * sizeof(uint32_t), filled, notFilled); | |
| // Test a draw with only the last 3 indices of the first quad (top right triangle) | |
| Test(3, 1, 3, -4, 0, 6 * sizeof(uint32_t), notFilled, filled); | |
| } | |
| DAWN_INSTANTIATE_TEST(DrawIndexedTest, | |
| D3D11Backend(), | |
| D3D12Backend(), | |
| MetalBackend(), | |
| OpenGLBackend(), | |
| OpenGLESBackend(), | |
| VulkanBackend(), | |
| WebGPUBackend()); | |
| } // anonymous namespace | |
| } // namespace dawn |