| // Copyright 2020 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 { |
| |
| class TextureSubresourceTest : public DawnTest { |
| public: |
| static constexpr uint32_t kSize = 4u; |
| static constexpr wgpu::TextureFormat kFormat = wgpu::TextureFormat::RGBA8Unorm; |
| |
| wgpu::Texture CreateTexture(uint32_t mipLevelCount, |
| uint32_t arrayLayerCount, |
| wgpu::TextureUsage usage) { |
| wgpu::TextureDescriptor texDesc; |
| texDesc.dimension = wgpu::TextureDimension::e2D; |
| texDesc.size = {kSize, kSize, arrayLayerCount}; |
| texDesc.sampleCount = 1; |
| texDesc.mipLevelCount = mipLevelCount; |
| texDesc.usage = usage; |
| texDesc.format = kFormat; |
| |
| // Only set the textureBindingViewDimension in compat mode. It's not needed |
| // nor used in non-compat. |
| wgpu::TextureBindingViewDimensionDescriptor textureBindingViewDimensionDesc; |
| if (IsCompatibilityMode()) { |
| textureBindingViewDimensionDesc.textureBindingViewDimension = |
| wgpu::TextureViewDimension::e2D; |
| texDesc.nextInChain = &textureBindingViewDimensionDesc; |
| } |
| |
| return device.CreateTexture(&texDesc); |
| } |
| |
| wgpu::TextureView CreateTextureView(const char* label, |
| wgpu::Texture texture, |
| uint32_t baseMipLevel, |
| uint32_t baseArrayLayer) { |
| wgpu::TextureViewDescriptor viewDesc; |
| viewDesc.label = label; |
| viewDesc.format = kFormat; |
| viewDesc.baseArrayLayer = baseArrayLayer; |
| viewDesc.arrayLayerCount = 1; |
| viewDesc.baseMipLevel = baseMipLevel; |
| viewDesc.mipLevelCount = 1; |
| viewDesc.dimension = wgpu::TextureViewDimension::e2D; |
| return texture.CreateView(&viewDesc); |
| } |
| |
| void DrawTriangle(const wgpu::TextureView& view) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| @vertex |
| fn main(@builtin(vertex_index) VertexIndex : u32) -> @builtin(position) vec4f { |
| var pos = array( |
| vec2f(-1.0, 1.0), |
| vec2f(-1.0, -1.0), |
| vec2f( 1.0, -1.0)); |
| |
| return vec4f(pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| @fragment fn main() -> @location(0) vec4f { |
| return vec4f(1.0, 0.0, 0.0, 1.0); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.primitive.topology = wgpu::PrimitiveTopology::TriangleList; |
| descriptor.cTargets[0].format = kFormat; |
| |
| wgpu::RenderPipeline rp = device.CreateRenderPipeline(&descriptor); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| utils::ComboRenderPassDescriptor renderPassDesc({view}); |
| renderPassDesc.cColorAttachments[0].clearValue = {0.0f, 0.0f, 0.0f, 1.0f}; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(rp); |
| pass.Draw(3); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| |
| void SampleAndDraw(const wgpu::TextureView& samplerView, const wgpu::TextureView& renderView) { |
| wgpu::ShaderModule vsModule = utils::CreateShaderModule(device, R"( |
| @vertex |
| fn main(@builtin(vertex_index) VertexIndex : u32) -> @builtin(position) vec4f { |
| var pos = array( |
| vec2f(-1.0, -1.0), |
| vec2f( 1.0, 1.0), |
| vec2f(-1.0, 1.0), |
| vec2f(-1.0, -1.0), |
| vec2f( 1.0, -1.0), |
| vec2f( 1.0, 1.0)); |
| |
| return vec4f(pos[VertexIndex], 0.0, 1.0); |
| })"); |
| |
| wgpu::ShaderModule fsModule = utils::CreateShaderModule(device, R"( |
| @group(0) @binding(0) var samp : sampler; |
| @group(0) @binding(1) var tex : texture_2d<f32>; |
| |
| @fragment |
| fn main(@builtin(position) FragCoord : vec4f) -> @location(0) vec4f { |
| return textureSample(tex, samp, FragCoord.xy / vec2f(4.0, 4.0)); |
| })"); |
| |
| utils::ComboRenderPipelineDescriptor descriptor; |
| descriptor.vertex.module = vsModule; |
| descriptor.cFragment.module = fsModule; |
| descriptor.primitive.topology = wgpu::PrimitiveTopology::TriangleList; |
| descriptor.cTargets[0].format = kFormat; |
| |
| wgpu::Sampler sampler = device.CreateSampler(); |
| |
| wgpu::RenderPipeline rp = device.CreateRenderPipeline(&descriptor); |
| wgpu::BindGroupLayout bgl = rp.GetBindGroupLayout(0); |
| wgpu::BindGroup bindGroup = |
| utils::MakeBindGroup(device, bgl, {{0, sampler}, {1, samplerView}}); |
| |
| wgpu::CommandEncoder encoder = device.CreateCommandEncoder(); |
| |
| utils::ComboRenderPassDescriptor renderPassDesc({renderView}); |
| renderPassDesc.cColorAttachments[0].clearValue = {0.0f, 0.0f, 0.0f, 1.0f}; |
| wgpu::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPassDesc); |
| pass.SetPipeline(rp); |
| pass.SetBindGroup(0, bindGroup); |
| pass.Draw(6); |
| pass.End(); |
| wgpu::CommandBuffer commands = encoder.Finish(); |
| queue.Submit(1, &commands); |
| } |
| }; |
| |
| // Test different mipmap levels |
| TEST_P(TextureSubresourceTest, MipmapLevelsTest) { |
| // Create a texture with 2 mipmap levels and 1 layer |
| wgpu::Texture texture = |
| CreateTexture(2, 1, |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::RenderAttachment | |
| wgpu::TextureUsage::CopySrc); |
| |
| // Create two views on different mipmap levels. |
| wgpu::TextureView samplerView = CreateTextureView("samplerView", texture, 0, 0); |
| wgpu::TextureView renderView = CreateTextureView("renderView", texture, 1, 0); |
| |
| // Draw a red triangle at the bottom-left half |
| DrawTriangle(samplerView); |
| |
| // Sample from one subresource and draw into another subresource in the same texture |
| SampleAndDraw(samplerView, renderView); |
| |
| // Verify that pixel at bottom-left corner is red, while pixel at top-right corner is background |
| // black in render view (mip level 1). |
| utils::RGBA8 topRight = utils::RGBA8::kBlack; |
| utils::RGBA8 bottomLeft = utils::RGBA8::kRed; |
| EXPECT_TEXTURE_EQ(&topRight, texture, {kSize / 2 - 1, 0}, {1, 1}, 1); |
| EXPECT_TEXTURE_EQ(&bottomLeft, texture, {0, kSize / 2 - 1}, {1, 1}, 1); |
| } |
| |
| // Test different array layers |
| TEST_P(TextureSubresourceTest, ArrayLayersTest) { |
| DAWN_TEST_UNSUPPORTED_IF(IsCompatibilityMode()); |
| |
| // Create a texture with 1 mipmap level and 2 layers |
| wgpu::Texture texture = |
| CreateTexture(1, 2, |
| wgpu::TextureUsage::TextureBinding | wgpu::TextureUsage::RenderAttachment | |
| wgpu::TextureUsage::CopySrc); |
| |
| // Create two views on different layers |
| wgpu::TextureView samplerView = CreateTextureView("samplerView", texture, 0, 0); |
| wgpu::TextureView renderView = CreateTextureView("renderView", texture, 0, 1); |
| |
| // Draw a red triangle at the bottom-left half |
| DrawTriangle(samplerView); |
| |
| // Sample from one subresource and draw into another subresource in the same texture |
| SampleAndDraw(samplerView, renderView); |
| |
| // Verify that pixel at bottom-left corner is red, while pixel at top-right corner is background |
| // black in render view (array layer 1). |
| utils::RGBA8 topRight = utils::RGBA8::kBlack; |
| utils::RGBA8 bottomLeft = utils::RGBA8::kRed; |
| EXPECT_TEXTURE_EQ(&topRight, texture, {kSize - 1, 0, 1}, {1, 1}); |
| EXPECT_TEXTURE_EQ(&bottomLeft, texture, {0, kSize - 1, 1}, {1, 1}); |
| } |
| |
| DAWN_INSTANTIATE_TEST(TextureSubresourceTest, |
| D3D11Backend(), |
| D3D12Backend(), |
| MetalBackend(), |
| OpenGLBackend(), |
| OpenGLESBackend(), |
| VulkanBackend()); |
| |
| } // anonymous namespace |
| } // namespace dawn |
