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Remove the concept of push constants

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BUG=dawn:14

Change-Id: I20587081ec806034ce4f90457c3d475a6fbe834d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7180
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Corentin Wallez
2019-05-29 13:16:06 +00:00
committed by Commit Bot service account
parent 839053b90c
commit 8dfc593eb7
24 changed files with 68 additions and 1095 deletions
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45
examples/Animometer.cpp
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@@ -25,15 +25,18 @@
dawn::Device device;
dawn::Queue queue;
dawn::SwapChain swapchain;
dawn::TextureView depthStencilView;
dawn::RenderPipeline pipeline;
dawn::BindGroup bindGroup;
dawn::Buffer ubo;
float RandomFloat(float min, float max) {
float zeroOne = rand() / float(RAND_MAX);
return zeroOne * (max - min) + min;
}
struct ShaderData {
constexpr size_t kNumTriangles = 10000;
struct alignas(kMinDynamicBufferOffsetAlignment) ShaderData {
float scale;
float time;
float offsetX;
@@ -55,7 +58,7 @@ void init() {
dawn::ShaderModule vsModule = utils::CreateShaderModule(device, dawn::ShaderStage::Vertex, R"(
#version 450
layout(push_constant) uniform ConstantsBlock {
layout(std140, set = 0, binding = 0) uniform Constants {
float scale;
float time;
float offsetX;
@@ -97,8 +100,7 @@ void init() {
ypos = yrot + c.offsetY;
v_color = vec4(fade, 1.0 - fade, 0.0, 1.0) + color;
gl_Position = vec4(xpos, ypos, 0.0, 1.0);
})"
);
})");
dawn::ShaderModule fsModule = utils::CreateShaderModule(device, dawn::ShaderStage::Fragment, R"(
#version 450
@@ -108,18 +110,18 @@ void init() {
fragColor = v_color;
})");
depthStencilView = CreateDefaultDepthStencilView(device);
dawn::BindGroupLayout bgl = utils::MakeBindGroupLayout(
device, {{0, dawn::ShaderStageBit::Vertex, dawn::BindingType::DynamicUniformBuffer}});
utils::ComboRenderPipelineDescriptor descriptor(device);
descriptor.layout = utils::MakeBasicPipelineLayout(device, &bgl);
descriptor.cVertexStage.module = vsModule;
descriptor.cFragmentStage.module = fsModule;
descriptor.depthStencilState = &descriptor.cDepthStencilState;
descriptor.cDepthStencilState.format = dawn::TextureFormat::D32FloatS8Uint;
descriptor.cColorStates[0]->format = GetPreferredSwapChainTextureFormat();
pipeline = device.CreateRenderPipeline(&descriptor);
shaderData.resize(10000);
shaderData.resize(kNumTriangles);
for (auto& data : shaderData) {
data.scale = RandomFloat(0.2f, 0.4f);
data.time = 0.0;
@@ -128,6 +130,14 @@ void init() {
data.scalar = RandomFloat(0.5f, 2.0f);
data.scalarOffset = RandomFloat(0.0f, 10.0f);
}
dawn::BufferDescriptor bufferDesc;
bufferDesc.size = kNumTriangles * sizeof(ShaderData);
bufferDesc.usage = dawn::BufferUsageBit::TransferDst | dawn::BufferUsageBit::Uniform;
ubo = device.CreateBuffer(&bufferDesc);
bindGroup =
utils::MakeBindGroup(device, bgl, {{0, ubo, 0, kNumTriangles * sizeof(ShaderData)}});
}
void frame() {
@@ -135,21 +145,22 @@ void frame() {
static int f = 0;
f++;
for (auto& data : shaderData) {
data.time = f / 60.0f;
}
ubo.SetSubData(0, kNumTriangles * sizeof(ShaderData),
reinterpret_cast<const uint8_t*>(shaderData.data()));
size_t i = 0;
utils::ComboRenderPassDescriptor renderPass({backbuffer.CreateDefaultView()},
depthStencilView);
utils::ComboRenderPassDescriptor renderPass({backbuffer.CreateDefaultView()});
dawn::CommandEncoder encoder = device.CreateCommandEncoder();
{
dawn::RenderPassEncoder pass = encoder.BeginRenderPass(&renderPass);
pass.SetPipeline(pipeline);
for (int k = 0; k < 10000; k++) {
shaderData[i].time = f / 60.0f;
pass.SetPushConstants(dawn::ShaderStageBit::Vertex, 0, 6, reinterpret_cast<uint32_t*>(&shaderData[i]));
for (size_t i = 0; i < kNumTriangles; i++) {
uint64_t offset = i * sizeof(ShaderData);
pass.SetBindGroup(0, bindGroup, 1, &offset);
pass.Draw(3, 1, 0, 0);
i++;
}
pass.EndPass();