module shaders.mrt;
import sg = sokol.gfx;
import m = handmade.math;
extern(C):

/*
    #version:1# (machine generated, don't edit!)

    Generated by sokol-shdc (https://github.com/floooh/sokol-tools)

    Cmdline:
        sokol-shdc -i src/examples/shaders/mrt.glsl -o src/examples/shaders/mrt.d -l glsl410:metal_macos:hlsl5:glsl300es:wgsl -f sokol_d

    Overview:
    =========
    Shader program: 'dbg':
        Get shader desc: dbgShaderDesc(sg.queryBackend());
        Vertex Shader: vs_dbg
        Fragment Shader: fs_dbg
        Attributes:
            ATTR_DBG_POS => 0
    Shader program: 'fsq':
        Get shader desc: fsqShaderDesc(sg.queryBackend());
        Vertex Shader: vs_fsq
        Fragment Shader: fs_fsq
        Attributes:
            ATTR_FSQ_POS => 0
    Shader program: 'offscreen':
        Get shader desc: offscreenShaderDesc(sg.queryBackend());
        Vertex Shader: vs_offscreen
        Fragment Shader: fs_offscreen
        Attributes:
            ATTR_OFFSCREEN_POS => 0
            ATTR_OFFSCREEN_BRIGHT0 => 1
    Bindings:
        Uniform block 'fsq_params':
            D struct: FsqParams
            Bind slot: UB_FSQ_PARAMS => 0
        Uniform block 'offscreen_params':
            D struct: OffscreenParams
            Bind slot: UB_OFFSCREEN_PARAMS => 0
        Image 'tex':
            Image type: sg.ImageType._2d
            Sample type: sg.ImageSampleType.Float
            Multisampled: false
            Bind slot: IMG_TEX => 0
        Image 'tex0':
            Image type: sg.ImageType._2d
            Sample type: sg.ImageSampleType.Float
            Multisampled: false
            Bind slot: IMG_TEX0 => 0
        Image 'tex1':
            Image type: sg.ImageType._2d
            Sample type: sg.ImageSampleType.Float
            Multisampled: false
            Bind slot: IMG_TEX1 => 1
        Image 'tex2':
            Image type: sg.ImageType._2d
            Sample type: sg.ImageSampleType.Float
            Multisampled: false
            Bind slot: IMG_TEX2 => 2
        Sampler 'smp':
            Type: sg.SamplerType.Filtering
            Bind slot: SMP_SMP => 0
        Image Sampler Pair 'tex_smp':
            Image: tex
            Sampler: smp
        Image Sampler Pair 'tex0_smp':
            Image: tex0
            Sampler: smp
        Image Sampler Pair 'tex1_smp':
            Image: tex1
            Sampler: smp
        Image Sampler Pair 'tex2_smp':
            Image: tex2
            Sampler: smp
*/
enum ATTR_DBG_POS = 0;
enum ATTR_FSQ_POS = 0;
enum ATTR_OFFSCREEN_POS = 0;
enum ATTR_OFFSCREEN_BRIGHT0 = 1;
enum UB_FSQ_PARAMS = 0;
enum UB_OFFSCREEN_PARAMS = 0;
enum IMG_TEX = 0;
enum IMG_TEX0 = 0;
enum IMG_TEX1 = 1;
enum IMG_TEX2 = 2;
enum SMP_SMP = 0;
struct FsqParams {
    align(16) m.Vec2 offset;
    align(1) ubyte[8] _pad_8 = 0;
}
struct OffscreenParams {
    align(16) m.Mat4 mvp;
}
/*
    #version 410

    uniform vec4 offscreen_params[4];
    layout(location = 0) in vec4 pos;
    layout(location = 0) out float bright;
    layout(location = 1) in float bright0;

    void main()
    {
        gl_Position = mat4(offscreen_params[0], offscreen_params[1], offscreen_params[2], offscreen_params[3]) * pos;
        bright = bright0;
    }

*/
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];
/*
    #version 410

    layout(location = 0) out vec4 frag_color_0;
    layout(location = 0) in float bright;
    layout(location = 1) out vec4 frag_color_1;
    layout(location = 2) out vec4 frag_color_2;

    void main()
    {
        frag_color_0 = vec4(bright, 0.0, 0.0, 1.0);
        frag_color_1 = vec4(0.0, bright, 0.0, 1.0);
        frag_color_2 = vec4(0.0, 0.0, bright, 1.0);
    }

*/
__gshared char[347] FS_OFFSCREEN_SOURCE_GLSL410 = [
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/*
    #version 410

    uniform vec4 fsq_params[1];
    layout(location = 0) in vec2 pos;
    layout(location = 0) out vec2 uv0;
    layout(location = 1) out vec2 uv1;
    layout(location = 2) out vec2 uv2;

    void main()
    {
        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
        uv0 = pos + vec2(fsq_params[0].x, 0.0);
        uv1 = pos + vec2(0.0, fsq_params[0].y);
        uv2 = pos;
        gl_Position.y = -gl_Position.y;
    }

*/
__gshared char[398] VS_FSQ_SOURCE_GLSL410 = [
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/*
    #version 410

    uniform sampler2D tex0_smp;
    uniform sampler2D tex1_smp;
    uniform sampler2D tex2_smp;

    layout(location = 0) in vec2 uv0;
    layout(location = 1) in vec2 uv1;
    layout(location = 2) in vec2 uv2;
    layout(location = 0) out vec4 frag_color;

    void main()
    {
        frag_color = vec4((texture(tex0_smp, uv0).xyz + texture(tex1_smp, uv1).xyz) + texture(tex2_smp, uv2).xyz, 1.0);
    }

*/
__gshared char[378] FS_FSQ_SOURCE_GLSL410 = [
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];
/*
    #version 410

    layout(location = 0) in vec2 pos;
    layout(location = 0) out vec2 uv;

    void main()
    {
        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
        uv = pos;
        gl_Position.y = -gl_Position.y;
    }

*/
__gshared char[210] VS_DBG_SOURCE_GLSL410 = [
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];
/*
    #version 410

    uniform sampler2D tex_smp;

    layout(location = 0) out vec4 frag_color;
    layout(location = 0) in vec2 uv;

    void main()
    {
        frag_color = vec4(texture(tex_smp, uv).xyz, 1.0);
    }

*/
__gshared char[190] FS_DBG_SOURCE_GLSL410 = [
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];
/*
    #version 300 es

    uniform vec4 offscreen_params[4];
    layout(location = 0) in vec4 pos;
    out float bright;
    layout(location = 1) in float bright0;

    void main()
    {
        gl_Position = mat4(offscreen_params[0], offscreen_params[1], offscreen_params[2], offscreen_params[3]) * pos;
        bright = bright0;
    }

*/
__gshared char[297] VS_OFFSCREEN_SOURCE_GLSL300ES = [
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];
/*
    #version 300 es
    precision mediump float;
    precision highp int;

    layout(location = 0) out highp vec4 frag_color_0;
    in highp float bright;
    layout(location = 1) out highp vec4 frag_color_1;
    layout(location = 2) out highp vec4 frag_color_2;

    void main()
    {
        frag_color_0 = vec4(bright, 0.0, 0.0, 1.0);
        frag_color_1 = vec4(0.0, bright, 0.0, 1.0);
        frag_color_2 = vec4(0.0, 0.0, bright, 1.0);
    }

*/
__gshared char[399] FS_OFFSCREEN_SOURCE_GLSL300ES = [
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];
/*
    #version 300 es

    uniform vec4 fsq_params[1];
    layout(location = 0) in vec2 pos;
    out vec2 uv0;
    out vec2 uv1;
    out vec2 uv2;

    void main()
    {
        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
        uv0 = pos + vec2(fsq_params[0].x, 0.0);
        uv1 = pos + vec2(0.0, fsq_params[0].y);
        uv2 = pos;
        gl_Position.y = -gl_Position.y;
    }

*/
__gshared char[338] VS_FSQ_SOURCE_GLSL300ES = [
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];
/*
    #version 300 es
    precision mediump float;
    precision highp int;

    uniform highp sampler2D tex0_smp;
    uniform highp sampler2D tex1_smp;
    uniform highp sampler2D tex2_smp;

    in highp vec2 uv0;
    in highp vec2 uv1;
    in highp vec2 uv2;
    layout(location = 0) out highp vec4 frag_color;

    void main()
    {
        frag_color = vec4((texture(tex0_smp, uv0).xyz + texture(tex1_smp, uv1).xyz) + texture(tex2_smp, uv2).xyz, 1.0);
    }

*/
__gshared char[406] FS_FSQ_SOURCE_GLSL300ES = [
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];
/*
    #version 300 es

    layout(location = 0) in vec2 pos;
    out vec2 uv;

    void main()
    {
        gl_Position = vec4((pos * 2.0) - vec2(1.0), 0.5, 1.0);
        uv = pos;
        gl_Position.y = -gl_Position.y;
    }

*/
__gshared char[192] VS_DBG_SOURCE_GLSL300ES = [
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];
/*
    #version 300 es
    precision mediump float;
    precision highp int;

    uniform highp sampler2D tex_smp;

    layout(location = 0) out highp vec4 frag_color;
    in highp vec2 uv;

    void main()
    {
        frag_color = vec4(texture(tex_smp, uv).xyz, 1.0);
    }

*/
__gshared char[236] FS_DBG_SOURCE_GLSL300ES = [
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];
/*
    cbuffer offscreen_params : register(b0)
    {
        row_major float4x4 _19_mvp : packoffset(c0);
    };


    static float4 gl_Position;
    static float4 pos;
    static float bright;
    static float bright0;

    struct SPIRV_Cross_Input
    {
        float4 pos : TEXCOORD0;
        float bright0 : TEXCOORD1;
    };

    struct SPIRV_Cross_Output
    {
        float bright : TEXCOORD0;
        float4 gl_Position : SV_Position;
    };

    void vert_main()
    {
        gl_Position = mul(pos, _19_mvp);
        bright = bright0;
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        pos = stage_input.pos;
        bright0 = stage_input.bright0;
        vert_main();
        SPIRV_Cross_Output stage_output;
        stage_output.gl_Position = gl_Position;
        stage_output.bright = bright;
        return stage_output;
    }
*/
__gshared char[736] VS_OFFSCREEN_SOURCE_HLSL5 = [
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];
/*
    static float4 frag_color_0;
    static float bright;
    static float4 frag_color_1;
    static float4 frag_color_2;

    struct SPIRV_Cross_Input
    {
        float bright : TEXCOORD0;
    };

    struct SPIRV_Cross_Output
    {
        float4 frag_color_0 : SV_Target0;
        float4 frag_color_1 : SV_Target1;
        float4 frag_color_2 : SV_Target2;
    };

    void frag_main()
    {
        frag_color_0 = float4(bright, 0.0f, 0.0f, 1.0f);
        frag_color_1 = float4(0.0f, bright, 0.0f, 1.0f);
        frag_color_2 = float4(0.0f, 0.0f, bright, 1.0f);
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        bright = stage_input.bright;
        frag_main();
        SPIRV_Cross_Output stage_output;
        stage_output.frag_color_0 = frag_color_0;
        stage_output.frag_color_1 = frag_color_1;
        stage_output.frag_color_2 = frag_color_2;
        return stage_output;
    }
*/
__gshared char[804] FS_OFFSCREEN_SOURCE_HLSL5 = [
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];
/*
    cbuffer fsq_params : register(b0)
    {
        float2 _36_offset : packoffset(c0);
    };


    static float4 gl_Position;
    static float2 pos;
    static float2 uv0;
    static float2 uv1;
    static float2 uv2;

    struct SPIRV_Cross_Input
    {
        float2 pos : TEXCOORD0;
    };

    struct SPIRV_Cross_Output
    {
        float2 uv0 : TEXCOORD0;
        float2 uv1 : TEXCOORD1;
        float2 uv2 : TEXCOORD2;
        float4 gl_Position : SV_Position;
    };

    void vert_main()
    {
        gl_Position = float4((pos * 2.0f) - 1.0f.xx, 0.5f, 1.0f);
        uv0 = pos + float2(_36_offset.x, 0.0f);
        uv1 = pos + float2(0.0f, _36_offset.y);
        uv2 = pos;
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        pos = stage_input.pos;
        vert_main();
        SPIRV_Cross_Output stage_output;
        stage_output.gl_Position = gl_Position;
        stage_output.uv0 = uv0;
        stage_output.uv1 = uv1;
        stage_output.uv2 = uv2;
        return stage_output;
    }
*/
__gshared char[879] VS_FSQ_SOURCE_HLSL5 = [
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];
/*
    Texture2D<float4> tex0 : register(t0);
    SamplerState smp : register(s0);
    Texture2D<float4> tex1 : register(t1);
    Texture2D<float4> tex2 : register(t2);

    static float2 uv0;
    static float2 uv1;
    static float2 uv2;
    static float4 frag_color;

    struct SPIRV_Cross_Input
    {
        float2 uv0 : TEXCOORD0;
        float2 uv1 : TEXCOORD1;
        float2 uv2 : TEXCOORD2;
    };

    struct SPIRV_Cross_Output
    {
        float4 frag_color : SV_Target0;
    };

    void frag_main()
    {
        frag_color = float4((tex0.Sample(smp, uv0).xyz + tex1.Sample(smp, uv1).xyz) + tex2.Sample(smp, uv2).xyz, 1.0f);
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        uv0 = stage_input.uv0;
        uv1 = stage_input.uv1;
        uv2 = stage_input.uv2;
        frag_main();
        SPIRV_Cross_Output stage_output;
        stage_output.frag_color = frag_color;
        return stage_output;
    }
*/
__gshared char[818] FS_FSQ_SOURCE_HLSL5 = [
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/*
    static float4 gl_Position;
    static float2 pos;
    static float2 uv;

    struct SPIRV_Cross_Input
    {
        float2 pos : TEXCOORD0;
    };

    struct SPIRV_Cross_Output
    {
        float2 uv : TEXCOORD0;
        float4 gl_Position : SV_Position;
    };

    void vert_main()
    {
        gl_Position = float4((pos * 2.0f) - 1.0f.xx, 0.5f, 1.0f);
        uv = pos;
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        pos = stage_input.pos;
        vert_main();
        SPIRV_Cross_Output stage_output;
        stage_output.gl_Position = gl_Position;
        stage_output.uv = uv;
        return stage_output;
    }
*/
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/*
    Texture2D<float4> tex : register(t0);
    SamplerState smp : register(s0);

    static float4 frag_color;
    static float2 uv;

    struct SPIRV_Cross_Input
    {
        float2 uv : TEXCOORD0;
    };

    struct SPIRV_Cross_Output
    {
        float4 frag_color : SV_Target0;
    };

    void frag_main()
    {
        frag_color = float4(tex.Sample(smp, uv).xyz, 1.0f);
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        uv = stage_input.uv;
        frag_main();
        SPIRV_Cross_Output stage_output;
        stage_output.frag_color = frag_color;
        return stage_output;
    }
*/
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/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct offscreen_params
    {
        float4x4 mvp;
    };

    struct main0_out
    {
        float bright [[user(locn0)]];
        float4 gl_Position [[position]];
    };

    struct main0_in
    {
        float4 pos [[attribute(0)]];
        float bright0 [[attribute(1)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]], constant offscreen_params& _19 [[buffer(0)]])
    {
        main0_out out = {};
        out.gl_Position = _19.mvp * in.pos;
        out.bright = in.bright0;
        return out;
    }

*/
__gshared char[515] VS_OFFSCREEN_SOURCE_METAL_MACOS = [
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/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct main0_out
    {
        float4 frag_color_0 [[color(0)]];
        float4 frag_color_1 [[color(1)]];
        float4 frag_color_2 [[color(2)]];
    };

    struct main0_in
    {
        float bright [[user(locn0)]];
    };

    fragment main0_out main0(main0_in in [[stage_in]])
    {
        main0_out out = {};
        out.frag_color_0 = float4(in.bright, 0.0, 0.0, 1.0);
        out.frag_color_1 = float4(0.0, in.bright, 0.0, 1.0);
        out.frag_color_2 = float4(0.0, 0.0, in.bright, 1.0);
        return out;
    }

*/
__gshared char[533] FS_OFFSCREEN_SOURCE_METAL_MACOS = [
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/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct fsq_params
    {
        float2 offset;
    };

    struct main0_out
    {
        float2 uv0 [[user(locn0)]];
        float2 uv1 [[user(locn1)]];
        float2 uv2 [[user(locn2)]];
        float4 gl_Position [[position]];
    };

    struct main0_in
    {
        float2 pos [[attribute(0)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]], constant fsq_params& _36 [[buffer(0)]])
    {
        main0_out out = {};
        out.gl_Position = float4((in.pos * 2.0) - float2(1.0), 0.5, 1.0);
        out.uv0 = in.pos + float2(_36.offset.x, 0.0);
        out.uv1 = in.pos + float2(0.0, _36.offset.y);
        out.uv2 = in.pos;
        return out;
    }

*/
__gshared char[653] VS_FSQ_SOURCE_METAL_MACOS = [
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];
/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct main0_out
    {
        float4 frag_color [[color(0)]];
    };

    struct main0_in
    {
        float2 uv0 [[user(locn0)]];
        float2 uv1 [[user(locn1)]];
        float2 uv2 [[user(locn2)]];
    };

    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex0 [[texture(0)]], texture2d<float> tex1 [[texture(1)]], texture2d<float> tex2 [[texture(2)]], sampler smp [[sampler(0)]])
    {
        main0_out out = {};
        out.frag_color = float4((tex0.sample(smp, in.uv0).xyz + tex1.sample(smp, in.uv1).xyz) + tex2.sample(smp, in.uv2).xyz, 1.0);
        return out;
    }

*/
__gshared char[616] FS_FSQ_SOURCE_METAL_MACOS = [
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/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct main0_out
    {
        float2 uv [[user(locn0)]];
        float4 gl_Position [[position]];
    };

    struct main0_in
    {
        float2 pos [[attribute(0)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]])
    {
        main0_out out = {};
        out.gl_Position = float4((in.pos * 2.0) - float2(1.0), 0.5, 1.0);
        out.uv = in.pos;
        return out;
    }

*/
__gshared char[404] VS_DBG_SOURCE_METAL_MACOS = [
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];
/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct main0_out
    {
        float4 frag_color [[color(0)]];
    };

    struct main0_in
    {
        float2 uv [[user(locn0)]];
    };

    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler smp [[sampler(0)]])
    {
        main0_out out = {};
        out.frag_color = float4(tex.sample(smp, in.uv).xyz, 1.0);
        return out;
    }

*/
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/*
    diagnostic(off, derivative_uniformity);

    struct offscreen_params {
      /_ @offset(0) _/
      mvp : mat4x4f,
    }

    @group(0) @binding(0) var<uniform> x_19 : offscreen_params;

    var<private> pos : vec4f;

    var<private> bright : f32;

    var<private> bright0 : f32;

    var<private> gl_Position : vec4f;

    fn main_1() {
      let x_22 : mat4x4f = x_19.mvp;
      let x_25 : vec4f = pos;
      gl_Position = (x_22 * x_25);
      let x_33 : f32 = bright0;
      bright = x_33;
      return;
    }

    struct main_out {
      @builtin(position)
      gl_Position : vec4f,
      @location(0)
      bright_1 : f32,
    }

    @vertex
    fn main(@location(0) pos_param : vec4f, @location(1) bright0_param : f32) -> main_out {
      pos = pos_param;
      bright0 = bright0_param;
      main_1();
      return main_out(gl_Position, bright);
    }

*/
__gshared char[744] VS_OFFSCREEN_SOURCE_WGSL = [
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];
/*
    diagnostic(off, derivative_uniformity);

    var<private> frag_color_0 : vec4f;

    var<private> bright : f32;

    var<private> frag_color_1 : vec4f;

    var<private> frag_color_2 : vec4f;

    fn main_1() {
      let x_12 : f32 = bright;
      frag_color_0 = vec4f(x_12, 0.0f, 0.0f, 1.0f);
      let x_17 : f32 = bright;
      frag_color_1 = vec4f(0.0f, x_17, 0.0f, 1.0f);
      let x_20 : f32 = bright;
      frag_color_2 = vec4f(0.0f, 0.0f, x_20, 1.0f);
      return;
    }

    struct main_out {
      @location(0)
      frag_color_0_1 : vec4f,
      @location(1)
      frag_color_1_1 : vec4f,
      @location(2)
      frag_color_2_1 : vec4f,
    }

    @fragment
    fn main(@location(0) bright_param : f32) -> main_out {
      bright = bright_param;
      main_1();
      return main_out(frag_color_0, frag_color_1, frag_color_2);
    }

*/
__gshared char[740] FS_OFFSCREEN_SOURCE_WGSL = [
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/*
    diagnostic(off, derivative_uniformity);

    struct fsq_params {
      /_ @offset(0) _/
      offset : vec2f,
    }

    var<private> pos : vec2f;

    var<private> uv0 : vec2f;

    @group(0) @binding(0) var<uniform> x_36 : fsq_params;

    var<private> uv1 : vec2f;

    var<private> uv2 : vec2f;

    var<private> gl_Position : vec4f;

    fn main_1() {
      let x_19 : vec2f = pos;
      let x_24 : vec2f = ((x_19 * 2.0f) - vec2f(1.0f, 1.0f));
      gl_Position = vec4f(x_24.x, x_24.y, 0.5f, 1.0f);
      let x_33 : vec2f = pos;
      let x_40 : f32 = x_36.offset.x;
      uv0 = (x_33 + vec2f(x_40, 0.0f));
      let x_45 : vec2f = pos;
      let x_47 : f32 = x_36.offset.y;
      uv1 = (x_45 + vec2f(0.0f, x_47));
      let x_51 : vec2f = pos;
      uv2 = x_51;
      return;
    }

    struct main_out {
      @builtin(position)
      gl_Position : vec4f,
      @location(0)
      uv0_1 : vec2f,
      @location(1)
      uv1_1 : vec2f,
      @location(2)
      uv2_1 : vec2f,
    }

    @vertex
    fn main(@location(0) pos_param : vec2f) -> main_out {
      pos = pos_param;
      main_1();
      return main_out(gl_Position, uv0, uv1, uv2);
    }

*/
__gshared char[998] VS_FSQ_SOURCE_WGSL = [
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];
/*
    diagnostic(off, derivative_uniformity);

    @group(1) @binding(64) var tex0 : texture_2d<f32>;

    @group(1) @binding(80) var smp : sampler;

    var<private> uv0 : vec2f;

    @group(1) @binding(65) var tex1 : texture_2d<f32>;

    var<private> uv1 : vec2f;

    @group(1) @binding(66) var tex2 : texture_2d<f32>;

    var<private> uv2 : vec2f;

    var<private> frag_color : vec4f;

    fn main_1() {
      var c0 : vec3f;
      var c1 : vec3f;
      var c2 : vec3f;
      let x_23 : vec2f = uv0;
      let x_25 : vec4f = textureSample(tex0, smp, x_23);
      c0 = vec3f(x_25.x, x_25.y, x_25.z);
      let x_33 : vec2f = uv1;
      let x_34 : vec4f = textureSample(tex1, smp, x_33);
      c1 = vec3f(x_34.x, x_34.y, x_34.z);
      let x_42 : vec2f = uv2;
      let x_43 : vec4f = textureSample(tex2, smp, x_42);
      c2 = vec3f(x_43.x, x_43.y, x_43.z);
      let x_47 : vec3f = c0;
      let x_48 : vec3f = c1;
      let x_50 : vec3f = c2;
      let x_51 : vec3f = ((x_47 + x_48) + x_50);
      frag_color = vec4f(x_51.x, x_51.y, x_51.z, 1.0f);
      return;
    }

    struct main_out {
      @location(0)
      frag_color_1 : vec4f,
    }

    @fragment
    fn main(@location(0) uv0_param : vec2f, @location(1) uv1_param : vec2f, @location(2) uv2_param : vec2f) -> main_out {
      uv0 = uv0_param;
      uv1 = uv1_param;
      uv2 = uv2_param;
      main_1();
      return main_out(frag_color);
    }

*/
__gshared char[1251] FS_FSQ_SOURCE_WGSL = [
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/*
    diagnostic(off, derivative_uniformity);

    var<private> pos : vec2f;

    var<private> uv : vec2f;

    var<private> gl_Position : vec4f;

    fn main_1() {
      let x_19 : vec2f = pos;
      let x_24 : vec2f = ((x_19 * 2.0f) - vec2f(1.0f, 1.0f));
      gl_Position = vec4f(x_24.x, x_24.y, 0.5f, 1.0f);
      let x_33 : vec2f = pos;
      uv = x_33;
      return;
    }

    struct main_out {
      @builtin(position)
      gl_Position : vec4f,
      @location(0)
      uv_1 : vec2f,
    }

    @vertex
    fn main(@location(0) pos_param : vec2f) -> main_out {
      pos = pos_param;
      main_1();
      return main_out(gl_Position, uv);
    }

*/
__gshared char[559] VS_DBG_SOURCE_WGSL = [
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];
/*
    diagnostic(off, derivative_uniformity);

    var<private> frag_color : vec4f;

    @group(1) @binding(64) var tex : texture_2d<f32>;

    @group(1) @binding(80) var smp : sampler;

    var<private> uv : vec2f;

    fn main_1() {
      let x_23 : vec2f = uv;
      let x_24 : vec4f = textureSample(tex, smp, x_23);
      let x_26 : vec3f = vec3f(x_24.x, x_24.y, x_24.z);
      frag_color = vec4f(x_26.x, x_26.y, x_26.z, 1.0f);
      return;
    }

    struct main_out {
      @location(0)
      frag_color_1 : vec4f,
    }

    @fragment
    fn main(@location(0) uv_param : vec2f) -> main_out {
      uv = uv_param;
      main_1();
      return main_out(frag_color);
    }

*/
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];
sg.ShaderDesc dbgShaderDesc(sg.Backend backend) @trusted @nogc nothrow {
    sg.ShaderDesc desc;
    desc.label = "dbg_shader";
    switch (backend) {
        case sg.Backend.Glcore:
            desc.vertex_func.source = &VS_DBG_SOURCE_GLSL410[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_DBG_SOURCE_GLSL410[0];
            desc.fragment_func.entry = "main";
            desc.attrs[0].glsl_name = "pos";
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[0].glsl_name = "tex_smp";
            break;
        case sg.Backend.Gles3:
            desc.vertex_func.source = &VS_DBG_SOURCE_GLSL300ES[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_DBG_SOURCE_GLSL300ES[0];
            desc.fragment_func.entry = "main";
            desc.attrs[0].glsl_name = "pos";
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[0].glsl_name = "tex_smp";
            break;
        case sg.Backend.D3d11:
            desc.vertex_func.source = &VS_DBG_SOURCE_HLSL5[0];
            desc.vertex_func.d3d11_target = "vs_5_0";
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_DBG_SOURCE_HLSL5[0];
            desc.fragment_func.d3d11_target = "ps_5_0";
            desc.fragment_func.entry = "main";
            desc.attrs[0].hlsl_sem_name = "TEXCOORD";
            desc.attrs[0].hlsl_sem_index = 0;
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[0].hlsl_register_t_n = 0;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.samplers[0].hlsl_register_s_n = 0;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            break;
        case sg.Backend.Metal_macos:
            desc.vertex_func.source = &VS_DBG_SOURCE_METAL_MACOS[0];
            desc.vertex_func.entry = "main0";
            desc.fragment_func.source = &FS_DBG_SOURCE_METAL_MACOS[0];
            desc.fragment_func.entry = "main0";
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[0].msl_texture_n = 0;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.samplers[0].msl_sampler_n = 0;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            break;
        case sg.Backend.Wgpu:
            desc.vertex_func.source = &VS_DBG_SOURCE_WGSL[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_DBG_SOURCE_WGSL[0];
            desc.fragment_func.entry = "main";
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[0].wgsl_group1_binding_n = 64;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.samplers[0].wgsl_group1_binding_n = 80;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            break;
        default: break;
    }
    return desc;
}
sg.ShaderDesc fsqShaderDesc(sg.Backend backend) @trusted @nogc nothrow {
    sg.ShaderDesc desc;
    desc.label = "fsq_shader";
    switch (backend) {
        case sg.Backend.Glcore:
            desc.vertex_func.source = &VS_FSQ_SOURCE_GLSL410[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_FSQ_SOURCE_GLSL410[0];
            desc.fragment_func.entry = "main";
            desc.attrs[0].glsl_name = "pos";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 16;
            desc.uniform_blocks[0].glsl_uniforms[0].type = sg.UniformType.Float4;
            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 1;
            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "fsq_params";
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[1].stage = sg.ShaderStage.Fragment;
            desc.images[1].multisampled = false;
            desc.images[1].image_type = sg.ImageType._2d;
            desc.images[1].sample_type = sg.ImageSampleType.Float;
            desc.images[2].stage = sg.ShaderStage.Fragment;
            desc.images[2].multisampled = false;
            desc.images[2].image_type = sg.ImageType._2d;
            desc.images[2].sample_type = sg.ImageSampleType.Float;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[0].glsl_name = "tex0_smp";
            desc.image_sampler_pairs[1].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[1].image_slot = 1;
            desc.image_sampler_pairs[1].sampler_slot = 0;
            desc.image_sampler_pairs[1].glsl_name = "tex1_smp";
            desc.image_sampler_pairs[2].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[2].image_slot = 2;
            desc.image_sampler_pairs[2].sampler_slot = 0;
            desc.image_sampler_pairs[2].glsl_name = "tex2_smp";
            break;
        case sg.Backend.Gles3:
            desc.vertex_func.source = &VS_FSQ_SOURCE_GLSL300ES[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_FSQ_SOURCE_GLSL300ES[0];
            desc.fragment_func.entry = "main";
            desc.attrs[0].glsl_name = "pos";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 16;
            desc.uniform_blocks[0].glsl_uniforms[0].type = sg.UniformType.Float4;
            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 1;
            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "fsq_params";
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[1].stage = sg.ShaderStage.Fragment;
            desc.images[1].multisampled = false;
            desc.images[1].image_type = sg.ImageType._2d;
            desc.images[1].sample_type = sg.ImageSampleType.Float;
            desc.images[2].stage = sg.ShaderStage.Fragment;
            desc.images[2].multisampled = false;
            desc.images[2].image_type = sg.ImageType._2d;
            desc.images[2].sample_type = sg.ImageSampleType.Float;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[0].glsl_name = "tex0_smp";
            desc.image_sampler_pairs[1].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[1].image_slot = 1;
            desc.image_sampler_pairs[1].sampler_slot = 0;
            desc.image_sampler_pairs[1].glsl_name = "tex1_smp";
            desc.image_sampler_pairs[2].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[2].image_slot = 2;
            desc.image_sampler_pairs[2].sampler_slot = 0;
            desc.image_sampler_pairs[2].glsl_name = "tex2_smp";
            break;
        case sg.Backend.D3d11:
            desc.vertex_func.source = &VS_FSQ_SOURCE_HLSL5[0];
            desc.vertex_func.d3d11_target = "vs_5_0";
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_FSQ_SOURCE_HLSL5[0];
            desc.fragment_func.d3d11_target = "ps_5_0";
            desc.fragment_func.entry = "main";
            desc.attrs[0].hlsl_sem_name = "TEXCOORD";
            desc.attrs[0].hlsl_sem_index = 0;
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 16;
            desc.uniform_blocks[0].hlsl_register_b_n = 0;
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[0].hlsl_register_t_n = 0;
            desc.images[1].stage = sg.ShaderStage.Fragment;
            desc.images[1].multisampled = false;
            desc.images[1].image_type = sg.ImageType._2d;
            desc.images[1].sample_type = sg.ImageSampleType.Float;
            desc.images[1].hlsl_register_t_n = 1;
            desc.images[2].stage = sg.ShaderStage.Fragment;
            desc.images[2].multisampled = false;
            desc.images[2].image_type = sg.ImageType._2d;
            desc.images[2].sample_type = sg.ImageSampleType.Float;
            desc.images[2].hlsl_register_t_n = 2;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.samplers[0].hlsl_register_s_n = 0;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[1].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[1].image_slot = 1;
            desc.image_sampler_pairs[1].sampler_slot = 0;
            desc.image_sampler_pairs[2].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[2].image_slot = 2;
            desc.image_sampler_pairs[2].sampler_slot = 0;
            break;
        case sg.Backend.Metal_macos:
            desc.vertex_func.source = &VS_FSQ_SOURCE_METAL_MACOS[0];
            desc.vertex_func.entry = "main0";
            desc.fragment_func.source = &FS_FSQ_SOURCE_METAL_MACOS[0];
            desc.fragment_func.entry = "main0";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 16;
            desc.uniform_blocks[0].msl_buffer_n = 0;
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[0].msl_texture_n = 0;
            desc.images[1].stage = sg.ShaderStage.Fragment;
            desc.images[1].multisampled = false;
            desc.images[1].image_type = sg.ImageType._2d;
            desc.images[1].sample_type = sg.ImageSampleType.Float;
            desc.images[1].msl_texture_n = 1;
            desc.images[2].stage = sg.ShaderStage.Fragment;
            desc.images[2].multisampled = false;
            desc.images[2].image_type = sg.ImageType._2d;
            desc.images[2].sample_type = sg.ImageSampleType.Float;
            desc.images[2].msl_texture_n = 2;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.samplers[0].msl_sampler_n = 0;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[1].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[1].image_slot = 1;
            desc.image_sampler_pairs[1].sampler_slot = 0;
            desc.image_sampler_pairs[2].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[2].image_slot = 2;
            desc.image_sampler_pairs[2].sampler_slot = 0;
            break;
        case sg.Backend.Wgpu:
            desc.vertex_func.source = &VS_FSQ_SOURCE_WGSL[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_FSQ_SOURCE_WGSL[0];
            desc.fragment_func.entry = "main";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 16;
            desc.uniform_blocks[0].wgsl_group0_binding_n = 0;
            desc.images[0].stage = sg.ShaderStage.Fragment;
            desc.images[0].multisampled = false;
            desc.images[0].image_type = sg.ImageType._2d;
            desc.images[0].sample_type = sg.ImageSampleType.Float;
            desc.images[0].wgsl_group1_binding_n = 64;
            desc.images[1].stage = sg.ShaderStage.Fragment;
            desc.images[1].multisampled = false;
            desc.images[1].image_type = sg.ImageType._2d;
            desc.images[1].sample_type = sg.ImageSampleType.Float;
            desc.images[1].wgsl_group1_binding_n = 65;
            desc.images[2].stage = sg.ShaderStage.Fragment;
            desc.images[2].multisampled = false;
            desc.images[2].image_type = sg.ImageType._2d;
            desc.images[2].sample_type = sg.ImageSampleType.Float;
            desc.images[2].wgsl_group1_binding_n = 66;
            desc.samplers[0].stage = sg.ShaderStage.Fragment;
            desc.samplers[0].sampler_type = sg.SamplerType.Filtering;
            desc.samplers[0].wgsl_group1_binding_n = 80;
            desc.image_sampler_pairs[0].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[0].image_slot = 0;
            desc.image_sampler_pairs[0].sampler_slot = 0;
            desc.image_sampler_pairs[1].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[1].image_slot = 1;
            desc.image_sampler_pairs[1].sampler_slot = 0;
            desc.image_sampler_pairs[2].stage = sg.ShaderStage.Fragment;
            desc.image_sampler_pairs[2].image_slot = 2;
            desc.image_sampler_pairs[2].sampler_slot = 0;
            break;
        default: break;
    }
    return desc;
}
sg.ShaderDesc offscreenShaderDesc(sg.Backend backend) @trusted @nogc nothrow {
    sg.ShaderDesc desc;
    desc.label = "offscreen_shader";
    switch (backend) {
        case sg.Backend.Glcore:
            desc.vertex_func.source = &VS_OFFSCREEN_SOURCE_GLSL410[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_OFFSCREEN_SOURCE_GLSL410[0];
            desc.fragment_func.entry = "main";
            desc.attrs[0].glsl_name = "pos";
            desc.attrs[1].glsl_name = "bright0";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 64;
            desc.uniform_blocks[0].glsl_uniforms[0].type = sg.UniformType.Float4;
            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "offscreen_params";
            break;
        case sg.Backend.Gles3:
            desc.vertex_func.source = &VS_OFFSCREEN_SOURCE_GLSL300ES[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_OFFSCREEN_SOURCE_GLSL300ES[0];
            desc.fragment_func.entry = "main";
            desc.attrs[0].glsl_name = "pos";
            desc.attrs[1].glsl_name = "bright0";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 64;
            desc.uniform_blocks[0].glsl_uniforms[0].type = sg.UniformType.Float4;
            desc.uniform_blocks[0].glsl_uniforms[0].array_count = 4;
            desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "offscreen_params";
            break;
        case sg.Backend.D3d11:
            desc.vertex_func.source = &VS_OFFSCREEN_SOURCE_HLSL5[0];
            desc.vertex_func.d3d11_target = "vs_5_0";
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_OFFSCREEN_SOURCE_HLSL5[0];
            desc.fragment_func.d3d11_target = "ps_5_0";
            desc.fragment_func.entry = "main";
            desc.attrs[0].hlsl_sem_name = "TEXCOORD";
            desc.attrs[0].hlsl_sem_index = 0;
            desc.attrs[1].hlsl_sem_name = "TEXCOORD";
            desc.attrs[1].hlsl_sem_index = 1;
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 64;
            desc.uniform_blocks[0].hlsl_register_b_n = 0;
            break;
        case sg.Backend.Metal_macos:
            desc.vertex_func.source = &VS_OFFSCREEN_SOURCE_METAL_MACOS[0];
            desc.vertex_func.entry = "main0";
            desc.fragment_func.source = &FS_OFFSCREEN_SOURCE_METAL_MACOS[0];
            desc.fragment_func.entry = "main0";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 64;
            desc.uniform_blocks[0].msl_buffer_n = 0;
            break;
        case sg.Backend.Wgpu:
            desc.vertex_func.source = &VS_OFFSCREEN_SOURCE_WGSL[0];
            desc.vertex_func.entry = "main";
            desc.fragment_func.source = &FS_OFFSCREEN_SOURCE_WGSL[0];
            desc.fragment_func.entry = "main";
            desc.uniform_blocks[0].stage = sg.ShaderStage.Vertex;
            desc.uniform_blocks[0].layout = sg.UniformLayout.Std140;
            desc.uniform_blocks[0].size = 64;
            desc.uniform_blocks[0].wgsl_group0_binding_n = 0;
            break;
        default: break;
    }
    return desc;
}