108 lines
1.9 KiB
C++
108 lines
1.9 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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#include<hgl/TypeFunc.h>
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#include<hgl/graph/mtl/ShaderBuffer.h>
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STD_MTL_NAMESPACE_BEGIN
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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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ENUM_CLASS_RANGE(NDC,Ortho)
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};
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constexpr const ShaderBufferSource SBS_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 ShaderBufferSource SBS_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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constexpr const ShaderBufferSource SBS_MaterialInstance=
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{
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"MaterialInstanceData",
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"mtl",
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"MaterialInstance mi[256];"
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};
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constexpr const ShaderBufferSource SBS_JointInfo=
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{
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"JointInfo",
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"joint",
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R"(
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mat4 mats[];
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)"
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};
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namespace func
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{
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constexpr const char GetLocalToWorld[]=R"(
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mat4 GetLocalToWorld()
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{
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return mat4(LocalToWorld_0,
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LocalToWorld_1,
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LocalToWorld_2,
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LocalToWorld_3);
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}
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)";
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constexpr const char GetJointMatrix[]=R"(
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mat4 GetJointMatrix()
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{
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return joint.mats[JointID.x]*JointWeight.x+
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joint.mats[JointID.y]*JointWeight.y+
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joint.mats[JointID.z]*JointWeight.z+
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joint.mats[JointID.w]*JointWeight.w;
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}
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)";
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constexpr const char GetMI[]=R"(
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MaterialInstance GetMI()
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{
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return mtl.mi[MaterialInstanceID];
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}
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)";
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}//namespace func
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STD_MTL_NAMESPACE_END
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