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

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

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

    Overview:
    =========
    Shader program: 'triangle':
        Get shader desc: triangle_shader_desc(sg_query_backend())
        Vertex Shader: vs
        Fragment Shader: fs
        Attributes:
            ATTR_triangle_position => 0
            ATTR_triangle_color0 => 1
            ATTR_triangle_uv => 2
    Bindings:
        Image 'tex':
            Image type: ._2D
            Sample type: .FLOAT
            Multisampled: false
            Bind slot: IMG_tex => 0
        Sampler 'smp':
            Type: .FILTERING
            Bind slot: SMP_smp => 0
*/
ATTR_triangle_position :: 0;
ATTR_triangle_color0 :: 1;
ATTR_triangle_uv :: 2;
IMG_tex :: 0;
SMP_smp :: 0;
/*
    #version 430

    layout(location = 0) in vec4 position;
    layout(location = 0) out vec4 color;
    layout(location = 1) in vec4 color0;
    layout(location = 1) out vec4 texcoord;
    layout(location = 2) in vec4 uv;

    void main()
    {
        gl_Position = position;
        gl_Position.y += (float(gl_InstanceID) * 0.100000001490116119384765625);
        color = color0;
        texcoord = uv;
    }

*/
vs_source_glsl430 := u8.[
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];
/*
    #version 430

    layout(binding = 16) uniform sampler2D tex_smp;

    layout(location = 1) in vec4 texcoord;
    layout(location = 0) out vec4 frag_color;
    layout(location = 0) in vec4 color;

    bool is_near(float a, float b)
    {
        return abs(a - b) < 0.00999999977648258209228515625;
    }

    void main()
    {
        float param = texcoord.x;
        float param_1 = -4.0;
        bool _33 = is_near(param, param_1);
        bool _43;
        if (_33)
        {
            float param_2 = texcoord.y;
            float param_3 = -2.0;
            _43 = is_near(param_2, param_3);
        }
        else
        {
            _43 = _33;
        }
        if (_43)
        {
            frag_color = color;
        }
        else
        {
            frag_color = texture(tex_smp, texcoord.xy) * color;
        }
    }

*/
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];
/*
    #version 300 es

    layout(location = 0) in vec4 position;
    out vec4 color;
    layout(location = 1) in vec4 color0;
    out vec4 texcoord;
    layout(location = 2) in vec4 uv;

    void main()
    {
        gl_Position = position;
        gl_Position.y += (float(gl_InstanceID) * 0.100000001490116119384765625);
        color = color0;
        texcoord = uv;
    }

*/
vs_source_glsl300es := u8.[
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/*
    #version 300 es
    precision mediump float;
    precision highp int;

    uniform highp sampler2D tex_smp;

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

    bool is_near(highp float a, highp float b)
    {
        return abs(a - b) < 0.00999999977648258209228515625;
    }

    void main()
    {
        highp float param = texcoord.x;
        highp float param_1 = -4.0;
        bool _33 = is_near(param, param_1);
        bool _43;
        if (_33)
        {
            highp float param_2 = texcoord.y;
            highp float param_3 = -2.0;
            _43 = is_near(param_2, param_3);
        }
        else
        {
            _43 = _33;
        }
        if (_43)
        {
            frag_color = color;
        }
        else
        {
            frag_color = texture(tex_smp, texcoord.xy) * color;
        }
    }

*/
fs_source_glsl300es := u8.[
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];
/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct main0_out
    {
        float4 color [[user(locn0)]];
        float4 texcoord [[user(locn1)]];
        float4 gl_Position [[position]];
    };

    struct main0_in
    {
        float4 position [[attribute(0)]];
        float4 color0 [[attribute(1)]];
        float4 uv [[attribute(2)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]], uint gl_InstanceIndex [[instance_id]])
    {
        main0_out out = {};
        out.gl_Position = in.position;
        out.gl_Position.y += (float(int(gl_InstanceIndex)) * 0.100000001490116119384765625);
        out.color = in.color0;
        out.texcoord = in.uv;
        return out;
    }

*/
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];
/*
    #pragma clang diagnostic ignored "-Wmissing-prototypes"

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

    using namespace metal;

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

    struct main0_in
    {
        float4 color [[user(locn0)]];
        float4 texcoord [[user(locn1)]];
    };

    static inline __attribute__((always_inline))
    bool is_near(thread const float& a, thread const float& b)
    {
        return abs(a - b) < 0.00999999977648258209228515625;
    }

    fragment main0_out main0(main0_in in [[stage_in]], texture2d<float> tex [[texture(0)]], sampler smp [[sampler(0)]])
    {
        main0_out out = {};
        float param = in.texcoord.x;
        float param_1 = -4.0;
        bool _33 = is_near(param, param_1);
        bool _43;
        if (_33)
        {
            float param_2 = in.texcoord.y;
            float param_3 = -2.0;
            _43 = is_near(param_2, param_3);
        }
        else
        {
            _43 = _33;
        }
        if (_43)
        {
            out.frag_color = in.color;
        }
        else
        {
            out.frag_color = tex.sample(smp, in.texcoord.xy) * in.color;
        }
        return out;
    }

*/
fs_source_metal_macos := u8.[
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triangle_shader_desc :: (backend: sg_backend) -> sg_shader_desc {
    desc: sg_shader_desc;
    desc.label = "triangle_shader";
    if backend == {
    case .GLCORE;
        desc.vertex_func.source = xx *vs_source_glsl430;
        desc.vertex_func.entry = "main";
        desc.fragment_func.source = xx *fs_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 = "color0";
        desc.attrs[2].base_type = .FLOAT;
        desc.attrs[2].glsl_name = "uv";
        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 = "tex_smp";
    case .GLES3;
        desc.vertex_func.source = xx *vs_source_glsl300es;
        desc.vertex_func.entry = "main";
        desc.fragment_func.source = xx *fs_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 = "color0";
        desc.attrs[2].base_type = .FLOAT;
        desc.attrs[2].glsl_name = "uv";
        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 = "tex_smp";
    case .METAL_MACOS;
        desc.vertex_func.source = xx *vs_source_metal_macos;
        desc.vertex_func.entry = "main0";
        desc.fragment_func.source = xx *fs_source_metal_macos;
        desc.fragment_func.entry = "main0";
        desc.attrs[0].base_type = .FLOAT;
        desc.attrs[1].base_type = .FLOAT;
        desc.attrs[2].base_type = .FLOAT;
        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;
}