dawn-cmake/examples/CubeReflection.cpp
Yan, Shaobo 300eec0f82 Rename SetRenderPipeline and SetComputePipeline to SetPipeline
To match the WebGPU idl, SetRenderPipeline and SetComputePipeline need to change
the name to SetPipeline.

This patch just rename these two APIs

BUG=dawn:52

Change-Id: I2545c94158ebd051027a018650bf760a25845d73
Reviewed-on: https://dawn-review.googlesource.com/c/3480
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
2018-12-21 10:40:26 +00:00

327 lines
12 KiB
C++

// Copyright 2017 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "SampleUtils.h"
#include "utils/ComboRenderPipelineDescriptor.h"
#include "utils/DawnHelpers.h"
#include "utils/SystemUtils.h"
#include <vector>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>
dawn::Device device;
dawn::Buffer indexBuffer;
dawn::Buffer vertexBuffer;
dawn::Buffer planeBuffer;
dawn::Buffer cameraBuffer;
dawn::Buffer transformBuffer[2];
dawn::BindGroup cameraBindGroup;
dawn::BindGroup bindGroup[2];
dawn::BindGroup cubeTransformBindGroup[2];
dawn::Queue queue;
dawn::SwapChain swapchain;
dawn::TextureView depthStencilView;
dawn::RenderPipeline pipeline;
dawn::RenderPipeline planePipeline;
dawn::RenderPipeline reflectionPipeline;
void initBuffers() {
static const uint32_t indexData[6*6] = {
0, 1, 2,
0, 2, 3,
4, 5, 6,
4, 6, 7,
8, 9, 10,
8, 10, 11,
12, 13, 14,
12, 14, 15,
16, 17, 18,
16, 18, 19,
20, 21, 22,
20, 22, 23
};
indexBuffer = utils::CreateBufferFromData(device, indexData, sizeof(indexData), dawn::BufferUsageBit::Index);
static const float vertexData[6 * 4 * 6] = {
-1.0, -1.0, 1.0, 1.0, 0.0, 0.0,
1.0, -1.0, 1.0, 1.0, 0.0, 0.0,
1.0, 1.0, 1.0, 1.0, 0.0, 0.0,
-1.0, 1.0, 1.0, 1.0, 0.0, 0.0,
-1.0, -1.0, -1.0, 1.0, 1.0, 0.0,
-1.0, 1.0, -1.0, 1.0, 1.0, 0.0,
1.0, 1.0, -1.0, 1.0, 1.0, 0.0,
1.0, -1.0, -1.0, 1.0, 1.0, 0.0,
-1.0, 1.0, -1.0, 1.0, 0.0, 1.0,
-1.0, 1.0, 1.0, 1.0, 0.0, 1.0,
1.0, 1.0, 1.0, 1.0, 0.0, 1.0,
1.0, 1.0, -1.0, 1.0, 0.0, 1.0,
-1.0, -1.0, -1.0, 0.0, 1.0, 0.0,
1.0, -1.0, -1.0, 0.0, 1.0, 0.0,
1.0, -1.0, 1.0, 0.0, 1.0, 0.0,
-1.0, -1.0, 1.0, 0.0, 1.0, 0.0,
1.0, -1.0, -1.0, 0.0, 1.0, 1.0,
1.0, 1.0, -1.0, 0.0, 1.0, 1.0,
1.0, 1.0, 1.0, 0.0, 1.0, 1.0,
1.0, -1.0, 1.0, 0.0, 1.0, 1.0,
-1.0, -1.0, -1.0, 1.0, 1.0, 1.0,
-1.0, -1.0, 1.0, 1.0, 1.0, 1.0,
-1.0, 1.0, 1.0, 1.0, 1.0, 1.0,
-1.0, 1.0, -1.0, 1.0, 1.0, 1.0
};
vertexBuffer = utils::CreateBufferFromData(device, vertexData, sizeof(vertexData), dawn::BufferUsageBit::Vertex);
static const float planeData[6 * 4] = {
-2.0, -1.0, -2.0, 0.5, 0.5, 0.5,
2.0, -1.0, -2.0, 0.5, 0.5, 0.5,
2.0, -1.0, 2.0, 0.5, 0.5, 0.5,
-2.0, -1.0, 2.0, 0.5, 0.5, 0.5,
};
planeBuffer = utils::CreateBufferFromData(device, planeData, sizeof(planeData), dawn::BufferUsageBit::Vertex);
}
struct CameraData {
glm::mat4 view;
glm::mat4 proj;
} cameraData;
void init() {
device = CreateCppDawnDevice();
queue = device.CreateQueue();
swapchain = GetSwapChain(device);
swapchain.Configure(GetPreferredSwapChainTextureFormat(),
dawn::TextureUsageBit::OutputAttachment, 640, 480);
initBuffers();
dawn::ShaderModule vsModule = utils::CreateShaderModule(device, dawn::ShaderStage::Vertex, R"(
#version 450
layout(set = 0, binding = 0) uniform cameraData {
mat4 view;
mat4 proj;
} camera;
layout(set = 0, binding = 1) uniform modelData {
mat4 modelMatrix;
};
layout(location = 0) in vec3 pos;
layout(location = 1) in vec3 col;
layout(location = 2) out vec3 f_col;
void main() {
f_col = col;
gl_Position = camera.proj * camera.view * modelMatrix * vec4(pos, 1.0);
})"
);
dawn::ShaderModule fsModule = utils::CreateShaderModule(device, dawn::ShaderStage::Fragment, R"(
#version 450
layout(location = 2) in vec3 f_col;
layout(location = 0) out vec4 fragColor;
void main() {
fragColor = vec4(f_col, 1.0);
})");
dawn::ShaderModule fsReflectionModule =
utils::CreateShaderModule(device, dawn::ShaderStage::Fragment, R"(
#version 450
layout(location = 2) in vec3 f_col;
layout(location = 0) out vec4 fragColor;
void main() {
fragColor = vec4(mix(f_col, vec3(0.5, 0.5, 0.5), 0.5), 1.0);
})");
auto inputState = device.CreateInputStateBuilder()
.SetAttribute(0, 0, dawn::VertexFormat::FloatR32G32B32, 0)
.SetAttribute(1, 0, dawn::VertexFormat::FloatR32G32B32, 3 * sizeof(float))
.SetInput(0, 6 * sizeof(float), dawn::InputStepMode::Vertex)
.GetResult();
auto bgl = utils::MakeBindGroupLayout(
device, {
{0, dawn::ShaderStageBit::Vertex, dawn::BindingType::UniformBuffer},
{1, dawn::ShaderStageBit::Vertex, dawn::BindingType::UniformBuffer},
});
dawn::PipelineLayout pl = utils::MakeBasicPipelineLayout(device, &bgl);
dawn::BufferDescriptor cameraBufDesc;
cameraBufDesc.size = sizeof(CameraData);
cameraBufDesc.usage = dawn::BufferUsageBit::TransferDst | dawn::BufferUsageBit::Uniform;
cameraBuffer = device.CreateBuffer(&cameraBufDesc);
glm::mat4 transform(1.0);
transformBuffer[0] = utils::CreateBufferFromData(device, &transform, sizeof(glm::mat4), dawn::BufferUsageBit::Uniform);
transform = glm::translate(transform, glm::vec3(0.f, -2.f, 0.f));
transformBuffer[1] = utils::CreateBufferFromData(device, &transform, sizeof(glm::mat4), dawn::BufferUsageBit::Uniform);
bindGroup[0] = utils::MakeBindGroup(device, bgl, {
{0, cameraBuffer, 0, sizeof(CameraData)},
{1, transformBuffer[0], 0, sizeof(glm::mat4)}
});
bindGroup[1] = utils::MakeBindGroup(device, bgl, {
{0, cameraBuffer, 0, sizeof(CameraData)},
{1, transformBuffer[1], 0, sizeof(glm::mat4)}
});
depthStencilView = CreateDefaultDepthStencilView(device);
auto depthStencilState = device.CreateDepthStencilStateBuilder()
.SetDepthCompareFunction(dawn::CompareFunction::Less)
.SetDepthWriteEnabled(true)
.GetResult();
utils::ComboRenderPipelineDescriptor descriptor(device);
descriptor.layout = pl;
descriptor.cVertexStage.module = vsModule;
descriptor.cFragmentStage.module = fsModule;
descriptor.inputState = inputState;
descriptor.cAttachmentsState.hasDepthStencilAttachment = true;
descriptor.cDepthStencilAttachment.format = dawn::TextureFormat::D32FloatS8Uint;
descriptor.cColorAttachments[0].format =
GetPreferredSwapChainTextureFormat();
descriptor.depthStencilState = depthStencilState;
pipeline = device.CreateRenderPipeline(&descriptor);
dawn::StencilStateFaceDescriptor planeStencilDescriptor;
planeStencilDescriptor.compare = dawn::CompareFunction::Always;
planeStencilDescriptor.stencilFailOp = dawn::StencilOperation::Keep;
planeStencilDescriptor.depthFailOp = dawn::StencilOperation::Keep;
planeStencilDescriptor.passOp = dawn::StencilOperation::Replace;
auto planeStencilState = device.CreateDepthStencilStateBuilder()
.SetDepthCompareFunction(dawn::CompareFunction::Less)
.SetDepthWriteEnabled(false)
.SetStencilFunction(dawn::Face::Both, &planeStencilDescriptor)
.GetResult();
utils::ComboRenderPipelineDescriptor pDescriptor(device);
pDescriptor.layout = pl;
pDescriptor.cVertexStage.module = vsModule;
pDescriptor.cFragmentStage.module = fsModule;
pDescriptor.inputState = inputState;
pDescriptor.cAttachmentsState.hasDepthStencilAttachment = true;
pDescriptor.cDepthStencilAttachment.format = dawn::TextureFormat::D32FloatS8Uint;
pDescriptor.cColorAttachments[0].format =
GetPreferredSwapChainTextureFormat();
pDescriptor.depthStencilState = planeStencilState;
planePipeline = device.CreateRenderPipeline(&pDescriptor);
dawn::StencilStateFaceDescriptor reflectionStencilDescriptor;
reflectionStencilDescriptor.compare = dawn::CompareFunction::Equal;
reflectionStencilDescriptor.stencilFailOp = dawn::StencilOperation::Keep;
reflectionStencilDescriptor.depthFailOp = dawn::StencilOperation::Keep;
reflectionStencilDescriptor.passOp = dawn::StencilOperation::Replace;
auto reflectionStencilState =
device.CreateDepthStencilStateBuilder()
.SetDepthCompareFunction(dawn::CompareFunction::Less)
.SetDepthWriteEnabled(true)
.SetStencilFunction(dawn::Face::Both, &reflectionStencilDescriptor)
.GetResult();
utils::ComboRenderPipelineDescriptor rfDescriptor(device);
rfDescriptor.layout = pl;
rfDescriptor.cVertexStage.module = vsModule;
rfDescriptor.cFragmentStage.module = fsReflectionModule;
rfDescriptor.inputState = inputState;
rfDescriptor.cAttachmentsState.hasDepthStencilAttachment = true;
rfDescriptor.cDepthStencilAttachment.format = dawn::TextureFormat::D32FloatS8Uint;
rfDescriptor.cColorAttachments[0].format =
GetPreferredSwapChainTextureFormat();
rfDescriptor.depthStencilState = reflectionStencilState;
reflectionPipeline = device.CreateRenderPipeline(&rfDescriptor);
cameraData.proj = glm::perspective(glm::radians(45.0f), 1.f, 1.0f, 100.0f);
}
struct {uint32_t a; float b;} s;
void frame() {
s.a = (s.a + 1) % 256;
s.b += 0.01f;
if (s.b >= 1.0f) {s.b = 0.0f;}
static const uint32_t vertexBufferOffsets[1] = {0};
cameraData.view = glm::lookAt(
glm::vec3(8.f * std::sin(glm::radians(s.b * 360.f)), 2.f, 8.f * std::cos(glm::radians(s.b * 360.f))),
glm::vec3(0.0f, 0.0f, 0.0f),
glm::vec3(0.0f, -1.0f, 0.0f)
);
cameraBuffer.SetSubData(0, sizeof(CameraData), reinterpret_cast<uint8_t*>(&cameraData));
dawn::Texture backbuffer;
dawn::RenderPassDescriptor renderPass;
GetNextRenderPassDescriptor(device, swapchain, depthStencilView, &backbuffer, &renderPass);
dawn::CommandBufferBuilder builder = device.CreateCommandBufferBuilder();
{
dawn::RenderPassEncoder pass = builder.BeginRenderPass(renderPass);
pass.SetPipeline(pipeline);
pass.SetBindGroup(0, bindGroup[0]);
pass.SetVertexBuffers(0, 1, &vertexBuffer, vertexBufferOffsets);
pass.SetIndexBuffer(indexBuffer, 0);
pass.DrawIndexed(36, 1, 0, 0, 0);
pass.SetStencilReference(0x1);
pass.SetPipeline(planePipeline);
pass.SetBindGroup(0, bindGroup[0]);
pass.SetVertexBuffers(0, 1, &planeBuffer, vertexBufferOffsets);
pass.DrawIndexed(6, 1, 0, 0, 0);
pass.SetPipeline(reflectionPipeline);
pass.SetVertexBuffers(0, 1, &vertexBuffer, vertexBufferOffsets);
pass.SetBindGroup(0, bindGroup[1]);
pass.DrawIndexed(36, 1, 0, 0, 0);
pass.EndPass();
}
dawn::CommandBuffer commands = builder.GetResult();
queue.Submit(1, &commands);
swapchain.Present(backbuffer);
DoFlush();
}
int main(int argc, const char* argv[]) {
if (!InitSample(argc, argv)) {
return 1;
}
init();
while (!ShouldQuit()) {
frame();
utils::USleep(16000);
}
// TODO release stuff
}