| // Copyright 2019 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/utils/ComboRenderPipelineDescriptor.h" |
| #include "dawn/utils/WGPUHelpers.h" |
| |
| namespace dawn { |
| namespace { |
| |
| constexpr uint32_t kRTSize = 4; |
| |
| class DrawTest : 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::TriangleList; |
| 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, |
| {// 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, |
| |
| // 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}); |
| } |
| |
| utils::BasicRenderPass renderPass; |
| wgpu::RenderPipeline pipeline; |
| wgpu::Buffer vertexBuffer; |
| |
| void Test(uint32_t vertexCount, |
| uint32_t instanceCount, |
| uint32_t firstIndex, |
| uint32_t firstInstance, |
| 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.Draw(vertexCount, instanceCount, firstIndex, 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 basic triangle draw. |
| TEST_P(DrawTest, Uint32) { |
| 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, notFilled, notFilled); |
| // Test a draw with only the first 3 indices (bottom left triangle) |
| Test(3, 1, 0, 0, filled, notFilled); |
| // Test a draw with only the last 3 indices (top right triangle) |
| Test(3, 1, 3, 0, notFilled, filled); |
| // Test a draw with all 6 indices (both triangles). |
| Test(6, 1, 0, 0, filled, filled); |
| } |
| |
| DAWN_INSTANTIATE_TEST(DrawTest, |
| D3D11Backend(), |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| } // anonymous namespace |
| } // namespace dawn |