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c0f31e73e4
BUG=dawn:77 Change-Id: I2a523e54a06173c157730e043c25e9629887fd1f Reviewed-on: https://dawn-review.googlesource.com/c/3820 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
65 lines
2.5 KiB
C++
65 lines
2.5 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 "utils/ComboRenderPipelineDescriptor.h"
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#include "utils/DawnHelpers.h"
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class ViewportOrientationTests : public DawnTest {};
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// Test that the pixel in viewport coordinate (-1, -1) matches texel (0, 0)
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TEST_P(ViewportOrientationTests, OriginAt0x0) {
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utils::BasicRenderPass renderPass = utils::CreateBasicRenderPass(device, 2, 2);
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dawn::ShaderModule vsModule = utils::CreateShaderModule(device, dawn::ShaderStage::Vertex, R"(
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#version 450
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void main() {
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gl_Position = vec4(-0.5f, -0.5f, 0.0f, 1.0f);
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})");
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dawn::ShaderModule fsModule = utils::CreateShaderModule(device, dawn::ShaderStage::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(0.0f, 1.0f, 0.0f, 1.0f);
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})");
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utils::ComboRenderPipelineDescriptor descriptor(device);
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descriptor.cVertexStage.module = vsModule;
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descriptor.cFragmentStage.module = fsModule;
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descriptor.primitiveTopology = dawn::PrimitiveTopology::PointList;
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descriptor.cColorAttachments[0]->format = renderPass.colorFormat;
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dawn::RenderPipeline pipeline = device.CreateRenderPipeline(&descriptor);
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dawn::CommandBufferBuilder builder = device.CreateCommandBufferBuilder();
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{
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dawn::RenderPassEncoder pass = builder.BeginRenderPass(renderPass.renderPassInfo);
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pass.SetPipeline(pipeline);
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pass.Draw(1, 1, 0, 0);
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pass.EndPass();
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}
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dawn::CommandBuffer commands = builder.GetResult();
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queue.Submit(1, &commands);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8(0, 255, 0, 255), renderPass.color, 0, 0);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8(0, 0, 0, 0), renderPass.color, 0, 1);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8(0, 0, 0, 0), renderPass.color, 1, 0);
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EXPECT_PIXEL_RGBA8_EQ(RGBA8(0, 0, 0, 0), renderPass.color, 1, 1);
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}
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DAWN_INSTANTIATE_TEST(ViewportOrientationTests, D3D12Backend, MetalBackend, OpenGLBackend, VulkanBackend)
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