VEFontCache-Odin/backend/sokol/blit_atlas.odin

package ve_sokol
import sg "thirdparty:sokol/gfx"
/*
    #version:1# (machine generated, don't edit!)

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

    Cmdline:
        sokol-shdc --input C:\projects\VEFontCache-Odin\backend\sokol\blit_atlas.shdc.glsl --output C:\projects\VEFontCache-Odin\backend\sokol\blit_atlas.odin --slang glsl410:glsl300es:hlsl4:metal_macos:wgsl --format=sokol_odin

    Overview:
    =========
    Shader program: 'blit_atlas':
        Get shader desc: blit_atlas_shader_desc(sg.query_backend())
        Vertex Shader: blit_atlas_vs
        Fragment Shader: blit_atlas_fs
        Attributes:
            ATTR_blit_atlas_v_position => 0
            ATTR_blit_atlas_v_texture => 1
    Bindings:
        Uniform block 'blit_atlas_fs_params':
            Odin struct: Blit_Atlas_Fs_Params
            Bind slot: UB_blit_atlas_fs_params => 0
        Image 'blit_atlas_src_texture':
            Image type: ._2D
            Sample type: .FLOAT
            Multisampled: false
            Bind slot: IMG_blit_atlas_src_texture => 0
        Sampler 'blit_atlas_src_sampler':
            Type: .FILTERING
            Bind slot: SMP_blit_atlas_src_sampler => 0
*/
ATTR_blit_atlas_v_position :: 0
ATTR_blit_atlas_v_texture :: 1
UB_blit_atlas_fs_params :: 0
IMG_blit_atlas_src_texture :: 0
SMP_blit_atlas_src_sampler :: 0
Blit_Atlas_Fs_Params :: struct #align(16) {
    using _: struct #packed {
        glyph_buffer_size: [2]f32,
        over_sample: f32,
        region: i32,
    },
}
/*
    #version 410

    layout(location = 0) out vec2 uv;
    layout(location = 1) in vec2 v_texture;
    layout(location = 0) in vec2 v_position;

    void main()
    {
        uv = vec2(v_texture.x, v_texture.y);
        gl_Position = vec4(v_position, 0.0, 1.0);
    }

*/
@(private="file")
blit_atlas_vs_source_glsl410 := [235]u8 {
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}
/*
    #version 410

    struct blit_atlas_fs_params
    {
        vec2 glyph_buffer_size;
        float over_sample;
        int region;
    };

    uniform blit_atlas_fs_params _20;

    uniform sampler2D blit_atlas_src_texture_blit_atlas_src_sampler;

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

    float down_sample_to_texture(vec2 uv_1, vec2 texture_size)
    {
        return (1.0 / _20.over_sample) * (((texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1).x + texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1 + (vec2(0.0, 1.0) * texture_size)).x) + texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1 + (vec2(1.0, 0.0) * texture_size)).x) + texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1 + texture_size).x);
    }

    void main()
    {
        vec2 _98 = vec2(1.0) / _20.glyph_buffer_size;
        bool _104 = _20.region == 0;
        bool _111;
        if (!_104)
        {
            _111 = _20.region == 1;
        }
        else
        {
            _111 = _104;
        }
        bool _118;
        if (!_111)
        {
            _118 = _20.region == 2;
        }
        else
        {
            _118 = _111;
        }
        bool _126;
        if (!_118)
        {
            _126 = _20.region == 4;
        }
        else
        {
            _126 = _118;
        }
        if (_126)
        {
            vec2 param = uv + (vec2(-1.0, -1.5) / _20.glyph_buffer_size);
            vec2 param_1 = _98;
            vec2 param_2 = uv + (vec2(0.5, -1.5) / _20.glyph_buffer_size);
            vec2 param_3 = _98;
            vec2 param_4 = uv + (vec2(-1.5, 0.5) / _20.glyph_buffer_size);
            vec2 param_5 = _98;
            vec2 param_6 = uv + (vec2(0.5) / _20.glyph_buffer_size);
            vec2 param_7 = _98;
            frag_color = vec4(1.0, 1.0, 1.0, (1.0 / _20.over_sample) * (((down_sample_to_texture(param, param_1) + down_sample_to_texture(param_2, param_3)) + down_sample_to_texture(param_4, param_5)) + down_sample_to_texture(param_6, param_7)));
        }
        else
        {
            frag_color = vec4(0.0, 0.0, 0.0, 1.0);
        }
    }

*/
@(private="file")
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}
/*
    #version 300 es

    out vec2 uv;
    layout(location = 1) in vec2 v_texture;
    layout(location = 0) in vec2 v_position;

    void main()
    {
        uv = vec2(v_texture.x, v_texture.y);
        gl_Position = vec4(v_position, 0.0, 1.0);
    }

*/
@(private="file")
blit_atlas_vs_source_glsl300es := [217]u8 {
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}
/*
    #version 300 es
    precision mediump float;
    precision highp int;

    struct blit_atlas_fs_params
    {
        highp vec2 glyph_buffer_size;
        highp float over_sample;
        int region;
    };

    uniform blit_atlas_fs_params _20;

    uniform highp sampler2D blit_atlas_src_texture_blit_atlas_src_sampler;

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

    highp float down_sample_to_texture(highp vec2 uv_1, highp vec2 texture_size)
    {
        return (1.0 / _20.over_sample) * (((texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1).x + texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1 + (vec2(0.0, 1.0) * texture_size)).x) + texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1 + (vec2(1.0, 0.0) * texture_size)).x) + texture(blit_atlas_src_texture_blit_atlas_src_sampler, uv_1 + texture_size).x);
    }

    void main()
    {
        highp vec2 _98 = vec2(1.0) / _20.glyph_buffer_size;
        bool _104 = _20.region == 0;
        bool _111;
        if (!_104)
        {
            _111 = _20.region == 1;
        }
        else
        {
            _111 = _104;
        }
        bool _118;
        if (!_111)
        {
            _118 = _20.region == 2;
        }
        else
        {
            _118 = _111;
        }
        bool _126;
        if (!_118)
        {
            _126 = _20.region == 4;
        }
        else
        {
            _126 = _118;
        }
        if (_126)
        {
            highp vec2 param = uv + (vec2(-1.0, -1.5) / _20.glyph_buffer_size);
            highp vec2 param_1 = _98;
            highp vec2 param_2 = uv + (vec2(0.5, -1.5) / _20.glyph_buffer_size);
            highp vec2 param_3 = _98;
            highp vec2 param_4 = uv + (vec2(-1.5, 0.5) / _20.glyph_buffer_size);
            highp vec2 param_5 = _98;
            highp vec2 param_6 = uv + (vec2(0.5) / _20.glyph_buffer_size);
            highp vec2 param_7 = _98;
            frag_color = vec4(1.0, 1.0, 1.0, (1.0 / _20.over_sample) * (((down_sample_to_texture(param, param_1) + down_sample_to_texture(param_2, param_3)) + down_sample_to_texture(param_4, param_5)) + down_sample_to_texture(param_6, param_7)));
        }
        else
        {
            frag_color = vec4(0.0, 0.0, 0.0, 1.0);
        }
    }

*/
@(private="file")
blit_atlas_fs_source_glsl300es := [2046]u8 {
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}
/*
    static float4 gl_Position;
    static float2 uv;
    static float2 v_texture;
    static float2 v_position;

    struct SPIRV_Cross_Input
    {
        float2 v_position : TEXCOORD0;
        float2 v_texture : TEXCOORD1;
    };

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

    void vert_main()
    {
        uv = float2(v_texture.x, 1.0f - v_texture.y);
        gl_Position = float4(v_position, 0.0f, 1.0f);
    }

    SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input)
    {
        v_texture = stage_input.v_texture;
        v_position = stage_input.v_position;
        vert_main();
        SPIRV_Cross_Output stage_output;
        stage_output.gl_Position = gl_Position;
        stage_output.uv = uv;
        return stage_output;
    }
*/
@(private="file")
blit_atlas_vs_source_hlsl4 := [705]u8 {
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}
/*
    cbuffer blit_atlas_fs_params : register(b0)
    {
        float2 _20_glyph_buffer_size : packoffset(c0);
        float _20_over_sample : packoffset(c0.z);
        int _20_region : packoffset(c0.w);
    };

    Texture2D<float4> blit_atlas_src_texture : register(t0);
    SamplerState blit_atlas_src_sampler : register(s0);

    static float2 uv;
    static float4 frag_color;

    struct SPIRV_Cross_Input
    {
        float2 uv : TEXCOORD0;
    };

    struct SPIRV_Cross_Output
    {
        float4 frag_color : SV_Target0;
    };

    float down_sample_to_texture(float2 uv_1, float2 texture_size)
    {
        return (1.0f / _20_over_sample) * (((blit_atlas_src_texture.Sample(blit_atlas_src_sampler, uv_1).x + blit_atlas_src_texture.Sample(blit_atlas_src_sampler, uv_1 + (float2(0.0f, 1.0f) * texture_size)).x) + blit_atlas_src_texture.Sample(blit_atlas_src_sampler, uv_1 + (float2(1.0f, 0.0f) * texture_size)).x) + blit_atlas_src_texture.Sample(blit_atlas_src_sampler, uv_1 + texture_size).x);
    }

    void frag_main()
    {
        float2 _98 = 1.0f.xx / _20_glyph_buffer_size;
        bool _104 = _20_region == 0;
        bool _111;
        if (!_104)
        {
            _111 = _20_region == 1;
        }
        else
        {
            _111 = _104;
        }
        bool _118;
        if (!_111)
        {
            _118 = _20_region == 2;
        }
        else
        {
            _118 = _111;
        }
        bool _126;
        if (!_118)
        {
            _126 = _20_region == 4;
        }
        else
        {
            _126 = _118;
        }
        if (_126)
        {
            float2 param = uv + (float2(-1.0f, -1.5f) / _20_glyph_buffer_size);
            float2 param_1 = _98;
            float2 param_2 = uv + (float2(0.5f, -1.5f) / _20_glyph_buffer_size);
            float2 param_3 = _98;
            float2 param_4 = uv + (float2(-1.5f, 0.5f) / _20_glyph_buffer_size);
            float2 param_5 = _98;
            float2 param_6 = uv + (0.5f.xx / _20_glyph_buffer_size);
            float2 param_7 = _98;
            frag_color = float4(1.0f, 1.0f, 1.0f, (1.0f / _20_over_sample) * (((down_sample_to_texture(param, param_1) + down_sample_to_texture(param_2, param_3)) + down_sample_to_texture(param_4, param_5)) + down_sample_to_texture(param_6, param_7)));
        }
        else
        {
            frag_color = float4(0.0f, 0.0f, 0.0f, 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;
    }
*/
@(private="file")
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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 v_position [[attribute(0)]];
        float2 v_texture [[attribute(1)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]])
    {
        main0_out out = {};
        out.uv = float2(in.v_texture.x, 1.0 - in.v_texture.y);
        out.gl_Position = float4(in.v_position, 0.0, 1.0);
        return out;
    }

*/
@(private="file")
blit_atlas_vs_source_metal_macos := [473]u8 {
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}
/*
    #pragma clang diagnostic ignored "-Wmissing-prototypes"

    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct blit_atlas_fs_params
    {
        float2 glyph_buffer_size;
        float over_sample;
        int region;
    };

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

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

    static inline __attribute__((always_inline))
    float down_sample_to_texture(thread const float2& uv, thread const float2& texture_size, constant blit_atlas_fs_params& _20, texture2d<float> blit_atlas_src_texture, sampler blit_atlas_src_sampler)
    {
        return (1.0 / _20.over_sample) * (((blit_atlas_src_texture.sample(blit_atlas_src_sampler, uv).x + blit_atlas_src_texture.sample(blit_atlas_src_sampler, (uv + (float2(0.0, 1.0) * texture_size))).x) + blit_atlas_src_texture.sample(blit_atlas_src_sampler, (uv + (float2(1.0, 0.0) * texture_size))).x) + blit_atlas_src_texture.sample(blit_atlas_src_sampler, (uv + texture_size)).x);
    }

    fragment main0_out main0(main0_in in [[stage_in]], constant blit_atlas_fs_params& _20 [[buffer(0)]], texture2d<float> blit_atlas_src_texture [[texture(0)]], sampler blit_atlas_src_sampler [[sampler(0)]])
    {
        main0_out out = {};
        float2 _98 = float2(1.0) / _20.glyph_buffer_size;
        bool _104 = _20.region == 0;
        bool _111;
        if (!_104)
        {
            _111 = _20.region == 1;
        }
        else
        {
            _111 = _104;
        }
        bool _118;
        if (!_111)
        {
            _118 = _20.region == 2;
        }
        else
        {
            _118 = _111;
        }
        bool _126;
        if (!_118)
        {
            _126 = _20.region == 4;
        }
        else
        {
            _126 = _118;
        }
        if (_126)
        {
            float2 param = in.uv + (float2(-1.0, -1.5) / _20.glyph_buffer_size);
            float2 param_1 = _98;
            float2 param_2 = in.uv + (float2(0.5, -1.5) / _20.glyph_buffer_size);
            float2 param_3 = _98;
            float2 param_4 = in.uv + (float2(-1.5, 0.5) / _20.glyph_buffer_size);
            float2 param_5 = _98;
            float2 param_6 = in.uv + (float2(0.5) / _20.glyph_buffer_size);
            float2 param_7 = _98;
            out.frag_color = float4(1.0, 1.0, 1.0, (1.0 / _20.over_sample) * (((down_sample_to_texture(param, param_1, _20, blit_atlas_src_texture, blit_atlas_src_sampler) + down_sample_to_texture(param_2, param_3, _20, blit_atlas_src_texture, blit_atlas_src_sampler)) + down_sample_to_texture(param_4, param_5, _20, blit_atlas_src_texture, blit_atlas_src_sampler)) + down_sample_to_texture(param_6, param_7, _20, blit_atlas_src_texture, blit_atlas_src_sampler)));
        }
        else
        {
            out.frag_color = float4(0.0, 0.0, 0.0, 1.0);
        }
        return out;
    }

*/
@(private="file")
blit_atlas_fs_source_metal_macos := [2646]u8 {
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}
/*
    diagnostic(off, derivative_uniformity);

    var<private> uv : vec2f;

    var<private> v_texture : vec2f;

    var<private> v_position : vec2f;

    var<private> gl_Position : vec4f;

    fn main_1() {
      uv = vec2f(v_texture.x, (1.0f - v_texture.y));
      gl_Position = vec4f(v_position.x, v_position.y, 0.0f, 1.0f);
      return;
    }

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

    @vertex
    fn main(@location(1) v_texture_param : vec2f, @location(0) v_position_param : vec2f) -> main_out {
      v_texture = v_texture_param;
      v_position = v_position_param;
      main_1();
      return main_out(uv, gl_Position);
    }
*/
@(private="file")
blit_atlas_vs_source_wgsl := [626]u8 {
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}
/*
    diagnostic(off, derivative_uniformity);

    struct blit_atlas_fs_params {
      /_ @offset(0) _/
      glyph_buffer_size : vec2f,
      /_ @offset(8) _/
      over_sample : f32,
      /_ @offset(12) _/
      region : i32,
    }

    @binding(8) @group(0) var<uniform> x_20 : blit_atlas_fs_params;

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

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

    var<private> uv_1 : vec2f;

    var<private> frag_color : vec4f;

    fn down_sample_to_texture_vf2_vf2_(uv : ptr<function, vec2f>, texture_size : ptr<function, vec2f>) -> f32 {
      var down_sample : f32;
      var value : f32;
      down_sample = (1.0f / x_20.over_sample);
      let x_37 = *(uv);
      let x_40 = *(texture_size);
      let x_44 = textureSample(blit_atlas_src_texture, blit_atlas_src_sampler, (x_37 + (vec2f() * x_40)));
      let x_48 = down_sample;
      let x_53 = *(uv);
      let x_55 = *(texture_size);
      let x_58 = textureSample(blit_atlas_src_texture, blit_atlas_src_sampler, (x_53 + (vec2f(0.0f, 1.0f) * x_55)));
      let x_60 = down_sample;
      let x_66 = *(uv);
      let x_68 = *(texture_size);
      let x_71 = textureSample(blit_atlas_src_texture, blit_atlas_src_sampler, (x_66 + (vec2f(1.0f, 0.0f) * x_68)));
      let x_73 = down_sample;
      let x_79 = *(uv);
      let x_81 = *(texture_size);
      let x_84 = textureSample(blit_atlas_src_texture, blit_atlas_src_sampler, (x_79 + (vec2f(1.0f) * x_81)));
      value = ((((x_44.x * x_48) + (x_58.x * x_60)) + (x_71.x * x_73)) + (x_84.x * down_sample));
      let x_89 = value;
      return x_89;
    }

    fn main_1() {
      var texture_size_1 : vec2f;
      var down_sample_1 : f32;
      var alpha : f32;
      var param : vec2f;
      var param_1 : vec2f;
      var param_2 : vec2f;
      var param_3 : vec2f;
      var param_4 : vec2f;
      var param_5 : vec2f;
      var param_6 : vec2f;
      var param_7 : vec2f;
      var x_110 : bool;
      var x_111 : bool;
      var x_117 : bool;
      var x_118 : bool;
      var x_125 : bool;
      var x_126 : bool;
      texture_size_1 = (vec2f(1.0f) / x_20.glyph_buffer_size);
      let x_104 = (x_20.region == 0i);
      x_111 = x_104;
      if (!(x_104)) {
        x_110 = (x_20.region == 1i);
        x_111 = x_110;
      }
      x_118 = x_111;
      if (!(x_111)) {
        x_117 = (x_20.region == 2i);
        x_118 = x_117;
      }
      x_126 = x_118;
      if (!(x_118)) {
        x_125 = (x_20.region == 4i);
        x_126 = x_125;
      }
      if (x_126) {
        down_sample_1 = (1.0f / x_20.over_sample);
        param = (uv_1 + (vec2f(-1.0f, -1.5f) * texture_size_1));
        param_1 = texture_size_1;
        let x_146 = down_sample_to_texture_vf2_vf2_(&(param), &(param_1));
        let x_147 = down_sample_1;
        param_2 = (uv_1 + (vec2f(0.5f, -1.5f) * texture_size_1));
        param_3 = texture_size_1;
        let x_158 = down_sample_to_texture_vf2_vf2_(&(param_2), &(param_3));
        let x_159 = down_sample_1;
        param_4 = (uv_1 + (vec2f(-1.5f, 0.5f) * texture_size_1));
        param_5 = texture_size_1;
        let x_170 = down_sample_to_texture_vf2_vf2_(&(param_4), &(param_5));
        let x_171 = down_sample_1;
        param_6 = (uv_1 + (vec2f(0.5f) * texture_size_1));
        param_7 = texture_size_1;
        let x_182 = down_sample_to_texture_vf2_vf2_(&(param_6), &(param_7));
        alpha = ((((x_146 * x_147) + (x_158 * x_159)) + (x_170 * x_171)) + (x_182 * down_sample_1));
        frag_color = vec4f(1.0f, 1.0f, 1.0f, alpha);
      } else {
        frag_color = vec4f(0.0f, 0.0f, 0.0f, 1.0f);
      }
      return;
    }

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

    @fragment
    fn main(@location(0) uv_1_param : vec2f) -> main_out {
      uv_1 = uv_1_param;
      main_1();
      return main_out(frag_color);
    }
*/
@(private="file")
blit_atlas_fs_source_wgsl := [3476]u8 {
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}
blit_atlas_shader_desc :: proc (backend: sg.Backend) -> sg.Shader_Desc {
    desc: sg.Shader_Desc
    desc.label = "blit_atlas_shader"
    #partial switch backend {
    case .GLCORE:
        desc.vertex_func.source = transmute(cstring)&blit_atlas_vs_source_glsl410
        desc.vertex_func.entry = "main"
        desc.fragment_func.source = transmute(cstring)&blit_atlas_fs_source_glsl410
        desc.fragment_func.entry = "main"
        desc.attrs[0].base_type = .FLOAT
        desc.attrs[0].glsl_name = "v_position"
        desc.attrs[1].base_type = .FLOAT
        desc.attrs[1].glsl_name = "v_texture"
        desc.uniform_blocks[0].stage = .FRAGMENT
        desc.uniform_blocks[0].layout = .STD140
        desc.uniform_blocks[0].size = 16
        desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT2
        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 0
        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "_20.glyph_buffer_size"
        desc.uniform_blocks[0].glsl_uniforms[1].type = .FLOAT
        desc.uniform_blocks[0].glsl_uniforms[1].array_count = 0
        desc.uniform_blocks[0].glsl_uniforms[1].glsl_name = "_20.over_sample"
        desc.uniform_blocks[0].glsl_uniforms[2].type = .INT
        desc.uniform_blocks[0].glsl_uniforms[2].array_count = 0
        desc.uniform_blocks[0].glsl_uniforms[2].glsl_name = "_20.region"
        desc.images[0].stage = .FRAGMENT
        desc.images[0].multisampled = false
        desc.images[0].image_type = ._2D
        desc.images[0].sample_type = .FLOAT
        desc.samplers[0].stage = .FRAGMENT
        desc.samplers[0].sampler_type = .FILTERING
        desc.image_sampler_pairs[0].stage = .FRAGMENT
        desc.image_sampler_pairs[0].image_slot = 0
        desc.image_sampler_pairs[0].sampler_slot = 0
        desc.image_sampler_pairs[0].glsl_name = "blit_atlas_src_texture_blit_atlas_src_sampler"
    case .GLES3:
        desc.vertex_func.source = transmute(cstring)&blit_atlas_vs_source_glsl300es
        desc.vertex_func.entry = "main"
        desc.fragment_func.source = transmute(cstring)&blit_atlas_fs_source_glsl300es
        desc.fragment_func.entry = "main"
        desc.attrs[0].base_type = .FLOAT
        desc.attrs[0].glsl_name = "v_position"
        desc.attrs[1].base_type = .FLOAT
        desc.attrs[1].glsl_name = "v_texture"
        desc.uniform_blocks[0].stage = .FRAGMENT
        desc.uniform_blocks[0].layout = .STD140
        desc.uniform_blocks[0].size = 16
        desc.uniform_blocks[0].glsl_uniforms[0].type = .FLOAT2
        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 0
        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "_20.glyph_buffer_size"
        desc.uniform_blocks[0].glsl_uniforms[1].type = .FLOAT
        desc.uniform_blocks[0].glsl_uniforms[1].array_count = 0
        desc.uniform_blocks[0].glsl_uniforms[1].glsl_name = "_20.over_sample"
        desc.uniform_blocks[0].glsl_uniforms[2].type = .INT
        desc.uniform_blocks[0].glsl_uniforms[2].array_count = 0
        desc.uniform_blocks[0].glsl_uniforms[2].glsl_name = "_20.region"
        desc.images[0].stage = .FRAGMENT
        desc.images[0].multisampled = false
        desc.images[0].image_type = ._2D
        desc.images[0].sample_type = .FLOAT
        desc.samplers[0].stage = .FRAGMENT
        desc.samplers[0].sampler_type = .FILTERING
        desc.image_sampler_pairs[0].stage = .FRAGMENT
        desc.image_sampler_pairs[0].image_slot = 0
        desc.image_sampler_pairs[0].sampler_slot = 0
        desc.image_sampler_pairs[0].glsl_name = "blit_atlas_src_texture_blit_atlas_src_sampler"
    case .D3D11:
        desc.vertex_func.source = transmute(cstring)&blit_atlas_vs_source_hlsl4
        desc.vertex_func.d3d11_target = "vs_4_0"
        desc.vertex_func.entry = "main"
        desc.fragment_func.source = transmute(cstring)&blit_atlas_fs_source_hlsl4
        desc.fragment_func.d3d11_target = "ps_4_0"
        desc.fragment_func.entry = "main"
        desc.attrs[0].base_type = .FLOAT
        desc.attrs[0].hlsl_sem_name = "TEXCOORD"
        desc.attrs[0].hlsl_sem_index = 0
        desc.attrs[1].base_type = .FLOAT
        desc.attrs[1].hlsl_sem_name = "TEXCOORD"
        desc.attrs[1].hlsl_sem_index = 1
        desc.uniform_blocks[0].stage = .FRAGMENT
        desc.uniform_blocks[0].layout = .STD140
        desc.uniform_blocks[0].size = 16
        desc.uniform_blocks[0].hlsl_register_b_n = 0
        desc.images[0].stage = .FRAGMENT
        desc.images[0].multisampled = false
        desc.images[0].image_type = ._2D
        desc.images[0].sample_type = .FLOAT
        desc.images[0].hlsl_register_t_n = 0
        desc.samplers[0].stage = .FRAGMENT
        desc.samplers[0].sampler_type = .FILTERING
        desc.samplers[0].hlsl_register_s_n = 0
        desc.image_sampler_pairs[0].stage = .FRAGMENT
        desc.image_sampler_pairs[0].image_slot = 0
        desc.image_sampler_pairs[0].sampler_slot = 0
    case .METAL_MACOS:
        desc.vertex_func.source = transmute(cstring)&blit_atlas_vs_source_metal_macos
        desc.vertex_func.entry = "main0"
        desc.fragment_func.source = transmute(cstring)&blit_atlas_fs_source_metal_macos
        desc.fragment_func.entry = "main0"
        desc.attrs[0].base_type = .FLOAT
        desc.attrs[1].base_type = .FLOAT
        desc.uniform_blocks[0].stage = .FRAGMENT
        desc.uniform_blocks[0].layout = .STD140
        desc.uniform_blocks[0].size = 16
        desc.uniform_blocks[0].msl_buffer_n = 0
        desc.images[0].stage = .FRAGMENT
        desc.images[0].multisampled = false
        desc.images[0].image_type = ._2D
        desc.images[0].sample_type = .FLOAT
        desc.images[0].msl_texture_n = 0
        desc.samplers[0].stage = .FRAGMENT
        desc.samplers[0].sampler_type = .FILTERING
        desc.samplers[0].msl_sampler_n = 0
        desc.image_sampler_pairs[0].stage = .FRAGMENT
        desc.image_sampler_pairs[0].image_slot = 0
        desc.image_sampler_pairs[0].sampler_slot = 0
    case .WGPU:
        desc.vertex_func.source = transmute(cstring)&blit_atlas_vs_source_wgsl
        desc.vertex_func.entry = "main"
        desc.fragment_func.source = transmute(cstring)&blit_atlas_fs_source_wgsl
        desc.fragment_func.entry = "main"
        desc.attrs[0].base_type = .FLOAT
        desc.attrs[1].base_type = .FLOAT
        desc.uniform_blocks[0].stage = .FRAGMENT
        desc.uniform_blocks[0].layout = .STD140
        desc.uniform_blocks[0].size = 16
        desc.uniform_blocks[0].wgsl_group0_binding_n = 8
        desc.images[0].stage = .FRAGMENT
        desc.images[0].multisampled = false
        desc.images[0].image_type = ._2D
        desc.images[0].sample_type = .FLOAT
        desc.images[0].wgsl_group1_binding_n = 64
        desc.samplers[0].stage = .FRAGMENT
        desc.samplers[0].sampler_type = .FILTERING
        desc.samplers[0].wgsl_group1_binding_n = 80
        desc.image_sampler_pairs[0].stage = .FRAGMENT
        desc.image_sampler_pairs[0].image_slot = 0
        desc.image_sampler_pairs[0].sampler_slot = 0
    }
    return desc
}