62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
#pragma once
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#define STD_MTL_NAMESPACE_BEGIN namespace hgl{namespace graph{namespace mtl{
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#define STD_MTL_NAMESPACE_END }}}
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#define STD_MTL_NAMESPACE_USING using namespace hgl::graph::mtl
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enum class CoordinateSystem2D
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{
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NDC,
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ZeroToOne, //左上角为0,0；右下角为1,1
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Ortho //左上角为0,0；右下角为(width-1),(height-1)
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};
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namespace GlobalDescriptor
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{
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struct ShaderStruct
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{
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const char *struct_name;
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const char *name;
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const char *codes;
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};
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constexpr const ShaderStruct ViewportInfo=
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{
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"ViewportInfo",
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"viewport",
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R"(
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mat4 ortho_matrix;
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vec2 canvas_resolution;
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vec2 viewport_resolution;
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vec2 inv_viewport_resolution;
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)"
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};
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constexpr const ShaderStruct CameraInfo=
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{
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"CameraInfo",
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"camera",
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R"(
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mat4 projection;
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mat4 inverse_projection;
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mat4 view;
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mat4 inverse_view;
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mat4 vp;
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mat4 inverse_vp;
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mat4 sky;
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vec3 pos; //eye
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vec3 view_line; //pos-target
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vec3 world_up;
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float znear,zfar;)"
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};
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}
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