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

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

    Cmdline:
        sokol-shdc -i shader_bloom.glsl -o ./jai/shader_bloom.jai -l glsl430:glsl300es:metal_macos -f sokol_jai

    Overview:
    =========
    Shader program: 'bloom':
        Get shader desc: bloom_shader_desc(sg_query_backend())
        Vertex Shader: vs_bloom
        Fragment Shader: fs_bloom
        Attributes:
            ATTR_bloom_position => 0
            ATTR_bloom_uv => 1
    Bindings:
        Uniform block 'bloom_params':
            Jai struct: Bloom_Params
            Bind slot: UB_bloom_params => 0
        Image 'bloom_src':
            Image type: ._2D
            Sample type: .FLOAT
            Multisampled: false
            Bind slot: IMG_bloom_src => 0
        Sampler 'bloom_src_smp':
            Type: .FILTERING
            Bind slot: SMP_bloom_src_smp => 0
*/
ATTR_bloom_position :: 0;
ATTR_bloom_uv :: 1;
UB_bloom_params :: 0;
IMG_bloom_src :: 0;
SMP_bloom_src_smp :: 0;
Bloom_Params :: struct {
    bloom_treshold: float;
    _: [12]u8;
};
/*
    #version 430

    layout(location = 0) in vec2 position;
    layout(location = 0) out vec2 texcoord;
    layout(location = 1) in vec2 uv;

    void main()
    {
        gl_Position = vec4(position, 0.5, 1.0);
        texcoord = uv;
    }

*/
vs_bloom_source_glsl430 := u8.[
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];
/*
    #version 430

    uniform vec4 bloom_params[1];
    layout(binding = 16) uniform sampler2D bloom_src_bloom_src_smp;

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

    void main()
    {
        vec4 _24 = texture(bloom_src_bloom_src_smp, texcoord);
        vec4 color = _24;
        if (max(_24.x, max(_24.y, _24.z)) < bloom_params[0].x)
        {
            color = vec4(0.0, 0.0, 0.0, 1.0);
        }
        frag_color = vec4(color.xyz, 1.0);
    }

*/
fs_bloom_source_glsl430 := u8.[
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];
/*
    #version 300 es

    layout(location = 0) in vec2 position;
    out vec2 texcoord;
    layout(location = 1) in vec2 uv;

    void main()
    {
        gl_Position = vec4(position, 0.5, 1.0);
        texcoord = uv;
    }

*/
vs_bloom_source_glsl300es := u8.[
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];
/*
    #version 300 es
    precision mediump float;
    precision highp int;

    uniform highp vec4 bloom_params[1];
    uniform highp sampler2D bloom_src_bloom_src_smp;

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

    void main()
    {
        highp vec4 _24 = texture(bloom_src_bloom_src_smp, texcoord);
        highp vec4 color = _24;
        if (max(_24.x, max(_24.y, _24.z)) < bloom_params[0].x)
        {
            color = vec4(0.0, 0.0, 0.0, 1.0);
        }
        frag_color = vec4(color.xyz, 1.0);
    }

*/
fs_bloom_source_glsl300es := u8.[
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];
/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

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

    struct main0_in
    {
        float2 position [[attribute(0)]];
        float2 uv [[attribute(1)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]])
    {
        main0_out out = {};
        out.gl_Position = float4(in.position, 0.5, 1.0);
        out.texcoord = in.uv;
        return out;
    }

*/
vs_bloom_source_metal_macos := u8.[
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];
/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct bloom_params
    {
        float bloom_treshold;
    };

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

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

    fragment main0_out main0(main0_in in [[stage_in]], constant bloom_params& _42 [[buffer(0)]], texture2d<float> bloom_src [[texture(0)]], sampler bloom_src_smp [[sampler(0)]])
    {
        main0_out out = {};
        float4 _24 = bloom_src.sample(bloom_src_smp, in.texcoord);
        float4 color = _24;
        if (fast::max(_24.x, fast::max(_24.y, _24.z)) < _42.bloom_treshold)
        {
            color = float4(0.0, 0.0, 0.0, 1.0);
        }
        out.frag_color = float4(color.xyz, 1.0);
        return out;
    }

*/
fs_bloom_source_metal_macos := u8.[
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];
bloom_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
    desc: sg_shader_desc;
    desc.label = "bloom_shader";
    if backend == {
    case .GLCORE;
        desc.vertex_func.source = xx *vs_bloom_source_glsl430;
        desc.vertex_func.entry = "main";
        desc.fragment_func.source = xx *fs_bloom_source_glsl430;
        desc.fragment_func.entry = "main";
        desc.attrs[0].base_type = .FLOAT;
        desc.attrs[0].glsl_name = "position";
        desc.attrs[1].base_type = .FLOAT;
        desc.attrs[1].glsl_name = "uv";
        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 = .FLOAT4;
        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 1;
        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "bloom_params";
        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 = "bloom_src_bloom_src_smp";
    case .GLES3;
        desc.vertex_func.source = xx *vs_bloom_source_glsl300es;
        desc.vertex_func.entry = "main";
        desc.fragment_func.source = xx *fs_bloom_source_glsl300es;
        desc.fragment_func.entry = "main";
        desc.attrs[0].base_type = .FLOAT;
        desc.attrs[0].glsl_name = "position";
        desc.attrs[1].base_type = .FLOAT;
        desc.attrs[1].glsl_name = "uv";
        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 = .FLOAT4;
        desc.uniform_blocks[0].glsl_uniforms[0].array_count = 1;
        desc.uniform_blocks[0].glsl_uniforms[0].glsl_name = "bloom_params";
        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 = "bloom_src_bloom_src_smp";
    case .METAL_MACOS;
        desc.vertex_func.source = xx *vs_bloom_source_metal_macos;
        desc.vertex_func.entry = "main0";
        desc.fragment_func.source = xx *fs_bloom_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;
    }
    return desc;
}