2022-02-19 05:33:56 +00:00
|
|
|
#include "shader.hpp"
|
|
|
|
|
|
|
|
#include "../../gpu.hpp"
|
|
|
|
|
|
|
|
namespace aurora::gfx::movie_player {
|
|
|
|
using gpu::g_device;
|
|
|
|
using gpu::g_graphicsConfig;
|
|
|
|
using gpu::utils::make_vertex_attributes;
|
|
|
|
using gpu::utils::make_vertex_buffer_layout;
|
|
|
|
using gpu::utils::make_vertex_state;
|
|
|
|
|
|
|
|
State construct_state() {
|
|
|
|
wgpu::ShaderModuleWGSLDescriptor wgslDescriptor{};
|
|
|
|
wgslDescriptor.source = R"""(
|
|
|
|
@group(0) @binding(0)
|
|
|
|
var tex_sampler: sampler;
|
|
|
|
@group(1) @binding(0)
|
|
|
|
var tex_y: texture_2d<f32>;
|
|
|
|
@group(1) @binding(1)
|
|
|
|
var tex_u: texture_2d<f32>;
|
|
|
|
@group(1) @binding(2)
|
|
|
|
var tex_v: texture_2d<f32>;
|
|
|
|
|
|
|
|
struct VertexOutput {
|
|
|
|
@builtin(position) pos: vec4<f32>;
|
|
|
|
@location(0) uv: vec2<f32>;
|
|
|
|
};
|
|
|
|
|
|
|
|
@stage(vertex)
|
|
|
|
fn vs_main(@location(0) in_pos: vec3<f32>, @location(1) in_uv: vec2<f32>) -> VertexOutput {
|
|
|
|
var out: VertexOutput;
|
2022-03-06 07:46:42 +00:00
|
|
|
out.pos = vec4<f32>(in_pos, 1.0);
|
2022-02-19 05:33:56 +00:00
|
|
|
out.uv = in_uv;
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
@stage(fragment)
|
|
|
|
fn fs_main(in: VertexOutput) -> @location(0) vec4<f32> {
|
|
|
|
var yuv = vec3<f32>(
|
|
|
|
1.1643 * (textureSample(tex_y, tex_sampler, in.uv).x - 0.0625),
|
|
|
|
textureSample(tex_u, tex_sampler, in.uv).x - 0.5,
|
|
|
|
textureSample(tex_v, tex_sampler, in.uv).x - 0.5
|
|
|
|
);
|
2022-03-06 07:46:42 +00:00
|
|
|
return vec4<f32>(
|
2022-02-19 05:33:56 +00:00
|
|
|
yuv.x + 1.5958 * yuv.z,
|
|
|
|
yuv.x - 0.39173 * yuv.y - 0.8129 * yuv.z,
|
|
|
|
yuv.x + 2.017 * yuv.y,
|
|
|
|
1.0
|
|
|
|
);
|
|
|
|
}
|
|
|
|
)""";
|
|
|
|
const auto shaderDescriptor = wgpu::ShaderModuleDescriptor{
|
|
|
|
.nextInChain = &wgslDescriptor,
|
|
|
|
.label = "Movie Player Shader",
|
|
|
|
};
|
|
|
|
auto shader = g_device.CreateShaderModule(&shaderDescriptor);
|
|
|
|
|
|
|
|
const std::array uniformLayoutEntries{
|
|
|
|
wgpu::BindGroupLayoutEntry{
|
|
|
|
.binding = 0,
|
|
|
|
.visibility = wgpu::ShaderStage::Fragment,
|
|
|
|
.sampler =
|
|
|
|
wgpu::SamplerBindingLayout{
|
|
|
|
.type = wgpu::SamplerBindingType::Filtering,
|
|
|
|
},
|
|
|
|
},
|
|
|
|
};
|
|
|
|
const auto uniformLayoutDescriptor = wgpu::BindGroupLayoutDescriptor{
|
|
|
|
.label = "Movie Player Uniform Bind Group Layout",
|
|
|
|
.entryCount = uniformLayoutEntries.size(),
|
|
|
|
.entries = uniformLayoutEntries.data(),
|
|
|
|
};
|
|
|
|
auto uniformLayout = g_device.CreateBindGroupLayout(&uniformLayoutDescriptor);
|
|
|
|
|
|
|
|
const auto samplerDescriptor = wgpu::SamplerDescriptor{
|
|
|
|
.addressModeU = wgpu::AddressMode::Repeat,
|
|
|
|
.addressModeV = wgpu::AddressMode::Repeat,
|
|
|
|
.addressModeW = wgpu::AddressMode::Repeat,
|
|
|
|
.magFilter = wgpu::FilterMode::Linear,
|
|
|
|
.minFilter = wgpu::FilterMode::Linear,
|
|
|
|
.mipmapFilter = wgpu::FilterMode::Linear,
|
2022-05-27 19:52:16 +00:00
|
|
|
.maxAnisotropy = 1,
|
2022-02-19 05:33:56 +00:00
|
|
|
};
|
|
|
|
auto sampler = g_device.CreateSampler(&samplerDescriptor);
|
|
|
|
|
|
|
|
const std::array uniformBindGroupEntries{
|
|
|
|
wgpu::BindGroupEntry{
|
|
|
|
.binding = 0,
|
|
|
|
.sampler = sampler,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
const auto uniformBindGroupDescriptor = wgpu::BindGroupDescriptor{
|
|
|
|
.label = "Movie Player Uniform Bind Group",
|
|
|
|
.layout = uniformLayout,
|
|
|
|
.entryCount = uniformBindGroupEntries.size(),
|
|
|
|
.entries = uniformBindGroupEntries.data(),
|
|
|
|
};
|
|
|
|
auto uniformBindGroup = g_device.CreateBindGroup(&uniformBindGroupDescriptor);
|
|
|
|
|
|
|
|
const auto textureBinding = wgpu::TextureBindingLayout{
|
|
|
|
.sampleType = wgpu::TextureSampleType::Float,
|
|
|
|
.viewDimension = wgpu::TextureViewDimension::e2D,
|
|
|
|
};
|
|
|
|
const std::array textureLayoutEntries{
|
|
|
|
wgpu::BindGroupLayoutEntry{
|
|
|
|
.binding = 0,
|
|
|
|
.visibility = wgpu::ShaderStage::Fragment,
|
|
|
|
.texture = textureBinding,
|
|
|
|
},
|
|
|
|
wgpu::BindGroupLayoutEntry{
|
|
|
|
.binding = 1,
|
|
|
|
.visibility = wgpu::ShaderStage::Fragment,
|
|
|
|
.texture = textureBinding,
|
|
|
|
},
|
|
|
|
wgpu::BindGroupLayoutEntry{
|
|
|
|
.binding = 2,
|
|
|
|
.visibility = wgpu::ShaderStage::Fragment,
|
|
|
|
.texture = textureBinding,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
const auto textureLayoutDescriptor = wgpu::BindGroupLayoutDescriptor{
|
|
|
|
.label = "Movie Player Texture Bind Group Layout",
|
|
|
|
.entryCount = textureLayoutEntries.size(),
|
|
|
|
.entries = textureLayoutEntries.data(),
|
|
|
|
};
|
|
|
|
auto textureLayout = g_device.CreateBindGroupLayout(&textureLayoutDescriptor);
|
|
|
|
|
|
|
|
const std::array bindGroupLayouts{
|
|
|
|
uniformLayout,
|
|
|
|
textureLayout,
|
|
|
|
};
|
|
|
|
const auto pipelineLayoutDescriptor = wgpu::PipelineLayoutDescriptor{
|
|
|
|
.label = "Movie Player Pipeline Layout",
|
|
|
|
.bindGroupLayoutCount = bindGroupLayouts.size(),
|
|
|
|
.bindGroupLayouts = bindGroupLayouts.data(),
|
|
|
|
};
|
|
|
|
auto pipelineLayout = g_device.CreatePipelineLayout(&pipelineLayoutDescriptor);
|
|
|
|
|
|
|
|
return {
|
|
|
|
.shader = shader,
|
|
|
|
.uniformLayout = uniformLayout,
|
|
|
|
.uniformBindGroup = uniformBindGroup,
|
|
|
|
.textureLayout = textureLayout,
|
|
|
|
.sampler = sampler,
|
|
|
|
.pipelineLayout = pipelineLayout,
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
2022-05-03 05:32:06 +00:00
|
|
|
wgpu::RenderPipeline create_pipeline(const State& state, [[maybe_unused]] const PipelineConfig& config) {
|
2022-06-13 22:51:52 +00:00
|
|
|
const auto attributes =
|
2022-02-19 05:33:56 +00:00
|
|
|
make_vertex_attributes(std::array{wgpu::VertexFormat::Float32x3, wgpu::VertexFormat::Float32x2});
|
|
|
|
const std::array vertexBuffers{make_vertex_buffer_layout(sizeof(Vert), attributes)};
|
|
|
|
const auto depthStencil = wgpu::DepthStencilState{
|
|
|
|
.format = g_graphicsConfig.depthFormat,
|
|
|
|
};
|
|
|
|
const auto blendComponent = wgpu::BlendComponent{
|
|
|
|
.srcFactor = wgpu::BlendFactor::SrcAlpha,
|
|
|
|
.dstFactor = wgpu::BlendFactor::OneMinusSrcAlpha,
|
|
|
|
};
|
|
|
|
const auto blendState = wgpu::BlendState{
|
|
|
|
.color = blendComponent,
|
|
|
|
.alpha = blendComponent,
|
|
|
|
};
|
|
|
|
const std::array colorTargets{
|
|
|
|
wgpu::ColorTargetState{
|
|
|
|
.format = g_graphicsConfig.colorFormat,
|
|
|
|
.blend = &blendState,
|
|
|
|
.writeMask = wgpu::ColorWriteMask::Red | wgpu::ColorWriteMask::Green | wgpu::ColorWriteMask::Blue,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
const auto fragmentState = wgpu::FragmentState{
|
|
|
|
.module = state.shader,
|
|
|
|
.entryPoint = "fs_main",
|
|
|
|
.targetCount = colorTargets.size(),
|
|
|
|
.targets = colorTargets.data(),
|
|
|
|
};
|
|
|
|
const auto pipelineDescriptor = wgpu::RenderPipelineDescriptor{
|
|
|
|
.label = "Movie Player Pipeline",
|
|
|
|
.layout = state.pipelineLayout,
|
|
|
|
.vertex = make_vertex_state(state.shader, vertexBuffers),
|
|
|
|
.primitive =
|
|
|
|
wgpu::PrimitiveState{
|
|
|
|
.topology = wgpu::PrimitiveTopology::TriangleStrip,
|
|
|
|
},
|
|
|
|
.depthStencil = &depthStencil,
|
|
|
|
.multisample =
|
|
|
|
wgpu::MultisampleState{
|
|
|
|
.count = g_graphicsConfig.msaaSamples,
|
|
|
|
},
|
|
|
|
.fragment = &fragmentState,
|
|
|
|
};
|
|
|
|
return g_device.CreateRenderPipeline(&pipelineDescriptor);
|
|
|
|
}
|
|
|
|
|
|
|
|
DrawData make_draw_data(const State& state, const TextureHandle& tex_y, const TextureHandle& tex_u,
|
2022-03-06 07:46:42 +00:00
|
|
|
const TextureHandle& tex_v, float h_pad, float v_pad) {
|
2022-02-19 05:33:56 +00:00
|
|
|
auto pipeline = pipeline_ref(PipelineConfig{});
|
|
|
|
|
2022-02-19 08:28:44 +00:00
|
|
|
const std::array verts{
|
2022-03-06 07:46:42 +00:00
|
|
|
Vert{{-h_pad, v_pad, 0.f}, {0.0, 0.0}},
|
|
|
|
Vert{{-h_pad, -v_pad, 0.f}, {0.0, 1.0}},
|
|
|
|
Vert{{h_pad, v_pad, 0.f}, {1.0, 0.0}},
|
|
|
|
Vert{{h_pad, -v_pad, 0.f}, {1.0, 1.0}},
|
2022-02-19 05:33:56 +00:00
|
|
|
};
|
|
|
|
const auto vertRange = push_verts(ArrayRef{verts});
|
|
|
|
|
2022-02-19 08:28:44 +00:00
|
|
|
const std::array entries{
|
2022-02-19 05:33:56 +00:00
|
|
|
wgpu::BindGroupEntry{
|
|
|
|
.binding = 0,
|
2022-05-13 23:40:19 +00:00
|
|
|
.textureView = tex_y->view,
|
2022-02-19 05:33:56 +00:00
|
|
|
},
|
|
|
|
wgpu::BindGroupEntry{
|
|
|
|
.binding = 1,
|
2022-05-13 23:40:19 +00:00
|
|
|
.textureView = tex_u->view,
|
2022-02-19 05:33:56 +00:00
|
|
|
},
|
|
|
|
wgpu::BindGroupEntry{
|
|
|
|
.binding = 2,
|
2022-05-13 23:40:19 +00:00
|
|
|
.textureView = tex_v->view,
|
2022-02-19 05:33:56 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
const auto textureBindGroup = bind_group_ref(wgpu::BindGroupDescriptor{
|
|
|
|
.label = "Movie Player Texture Bind Group",
|
|
|
|
.layout = state.textureLayout,
|
|
|
|
.entryCount = entries.size(),
|
|
|
|
.entries = entries.data(),
|
|
|
|
});
|
|
|
|
|
|
|
|
return {
|
|
|
|
.pipeline = pipeline,
|
|
|
|
.vertRange = vertRange,
|
|
|
|
.textureBindGroup = textureBindGroup,
|
|
|
|
};
|
|
|
|
}
|
|
|
|
|
|
|
|
void render(const State& state, const DrawData& data, const wgpu::RenderPassEncoder& pass) {
|
|
|
|
if (!bind_pipeline(data.pipeline, pass)) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
2022-03-06 07:46:42 +00:00
|
|
|
pass.SetBindGroup(0, state.uniformBindGroup);
|
2022-02-19 05:33:56 +00:00
|
|
|
pass.SetBindGroup(1, find_bind_group(data.textureBindGroup));
|
2022-03-15 06:18:45 +00:00
|
|
|
pass.SetVertexBuffer(0, g_vertexBuffer, data.vertRange.offset, data.vertRange.size);
|
2022-02-19 05:33:56 +00:00
|
|
|
pass.Draw(4);
|
|
|
|
}
|
|
|
|
} // namespace aurora::gfx::movie_player
|