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

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

    Cmdline:
        sokol-shdc -i shader.glsl -o shader.odin -l metal_macos -f sokol_odin

    Overview:
    =========
    Shader program: 'main':
        Get shader desc: main_shader_desc(sg.query_backend())
        Vertex Shader: vs
        Fragment Shader: fs
        Attributes:
            ATTR_main_pos => 0
            ATTR_main_col => 1
            ATTR_main_uv => 2
    Bindings:
        Uniform block 'VsParams':
            Odin struct: Vsparams
            Bind slot: UB_VsParams => 0
        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_main_pos :: 0
ATTR_main_col :: 1
ATTR_main_uv :: 2
UB_VsParams :: 0
IMG_tex :: 0
SMP_smp :: 0
Vsparams :: struct #align(16) {
    using _: struct #packed {
        mvp: Mat4,
    },
}
/*
    #include <metal_stdlib>
    #include <simd/simd.h>

    using namespace metal;

    struct VsParams
    {
        float4x4 mvp;
    };

    struct main0_out
    {
        float4 color [[user(locn0)]];
        float2 tex_coord [[user(locn1)]];
        float4 gl_Position [[position]];
    };

    struct main0_in
    {
        float3 pos [[attribute(0)]];
        float4 col [[attribute(1)]];
        float2 uv [[attribute(2)]];
    };

    vertex main0_out main0(main0_in in [[stage_in]], constant VsParams& _19 [[buffer(0)]])
    {
        main0_out out = {};
        out.gl_Position = _19.mvp * float4(in.pos, 1.0);
        out.color = in.col;
        out.tex_coord = in.uv;
        return out;
    }

*/
@(private="file")
vs_source_metal_macos := [601]u8 {
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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
    {
        float4 color [[user(locn0)]];
        float2 tex_coord [[user(locn1)]];
    };

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

*/
@(private="file")
fs_source_metal_macos := [450]u8 {
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}
main_shader_desc :: proc (backend: sg.Backend) -> sg.Shader_Desc {
    desc: sg.Shader_Desc
    desc.label = "main_shader"
    #partial switch backend {
    case .METAL_MACOS:
        desc.vertex_func.source = transmute(cstring)&vs_source_metal_macos
        desc.vertex_func.entry = "main0"
        desc.fragment_func.source = transmute(cstring)&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.uniform_blocks[0].stage = .VERTEX
        desc.uniform_blocks[0].layout = .STD140
        desc.uniform_blocks[0].size = 64
        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
}