2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
#pragma once
|
|
|
|
#include <mln/shaders/debug_layer_ubo.hpp>
|
|
#include <mln/shaders/shader_source.hpp>
|
|
#include <mln/shaders/webgpu/shader_program.hpp>
|
|
|
|
namespace mln {
|
|
namespace shaders {
|
|
|
|
template <>
|
|
struct ShaderSource<BuiltIn::DebugShader, gfx::Backend::Type::WebGPU> {
|
|
static constexpr const char* name = "DebugShader";
|
|
static const std::array<AttributeInfo, 1> attributes;
|
|
static constexpr std::array<AttributeInfo, 0> instanceAttributes{};
|
|
static const std::array<TextureInfo, 1> textures;
|
|
|
|
static constexpr auto vertex = R"(
|
|
struct VertexInput {
|
|
@location(5) position: vec2<i32>,
|
|
};
|
|
|
|
struct VertexOutput {
|
|
@builtin(position) position: vec4<f32>,
|
|
@location(0) uv: vec2<f32>,
|
|
};
|
|
|
|
struct DebugUBO {
|
|
matrix: mat4x4<f32>,
|
|
color: vec4<f32>,
|
|
overlay_scale: f32,
|
|
pad1: f32,
|
|
pad2: f32,
|
|
pad3: f32,
|
|
};
|
|
|
|
@group(0) @binding(0) var<uniform> debug: DebugUBO;
|
|
|
|
@vertex
|
|
fn main(in: VertexInput) -> VertexOutput {
|
|
var out: VertexOutput;
|
|
|
|
let scaled_pos = vec2<f32>(f32(in.position.x), f32(in.position.y)) * debug.overlay_scale;
|
|
out.position = debug.matrix * vec4<f32>(scaled_pos, 0.0, 1.0);
|
|
|
|
// This vertex shader expects a EXTENT x EXTENT quad,
|
|
// The UV coordinates for the overlay texture can be calculated using that knowledge
|
|
out.uv = vec2<f32>(f32(in.position.x), f32(in.position.y)) / 8192.0;
|
|
|
|
return out;
|
|
}
|
|
)";
|
|
|
|
static constexpr auto fragment = R"(
|
|
struct FragmentInput {
|
|
@location(0) uv: vec2<f32>,
|
|
};
|
|
|
|
struct DebugUBO {
|
|
matrix: mat4x4<f32>,
|
|
color: vec4<f32>,
|
|
overlay_scale: f32,
|
|
pad1: f32,
|
|
pad2: f32,
|
|
pad3: f32,
|
|
};
|
|
|
|
@group(0) @binding(0) var<uniform> debug: DebugUBO;
|
|
@group(1) @binding(0) var texture_sampler: sampler;
|
|
@group(1) @binding(1) var overlay_texture: texture_2d<f32>;
|
|
|
|
@fragment
|
|
fn main(in: FragmentInput) -> @location(0) vec4<f32> {
|
|
let overlay_color = textureSample(overlay_texture, texture_sampler, in.uv);
|
|
return mix(debug.color, overlay_color, overlay_color.a);
|
|
}
|
|
)";
|
|
};
|
|
|
|
} // namespace shaders
|
|
} // namespace mln
|