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https://github.com/MaSzyna-EU07/maszyna.git
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60 lines
1.7 KiB
GLSL
60 lines
1.7 KiB
GLSL
#version 460 core
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#define STAGE_VERTEX 1
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#include "common.glsl"
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layout(location = 0) in vec3 v_vert;
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layout(location = 1) in vec3 v_normal;
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layout(location = 2) in vec2 v_coord;
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layout(location = 3) in vec4 v_tangent;
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layout(location = 4) in vec4 v_userdata;
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// the depth prepass (depthprepass.vert) works the position out the same way, and has to get the same depth
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invariant gl_Position;
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layout(location = 0) out vec3 f_normal;
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layout(location = 1) flat out vec3 f_normal_raw;
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layout(location = 2) out vec2 f_coord;
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layout(location = 3) out vec4 f_pos;
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layout(location = 8) out mat3 f_tbn;
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layout(location = 4) out vec4 f_clip_pos;
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layout(location = 5) out vec4 f_clip_future_pos;
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//out vec3 TangentLightPos;
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//out vec3 TangentViewPos;
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layout(location = 6) out vec3 TangentFragPos;
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layout(location = 7) out vec4 UserData;
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void main()
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{
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mat4 mv = effective_modelview();
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mat3 mvn = effective_modelviewnormal();
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f_normal = normalize(mvn * v_normal);
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f_normal_raw = v_normal;
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f_coord = v_coord;
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f_pos = mv * vec4(v_vert, 1.0);
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f_clip_pos = projection * f_pos;
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f_clip_future_pos = (projection * future) * f_pos;
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gl_Position = f_clip_pos;
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gl_PointSize = param[1].x;
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vec3 N = f_normal;
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vec3 T = mvn * v_tangent.xyz;
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T = normalize(T - N * dot(N, T));
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// w is -1 where the texture is mirrored (calculate_tangents()), the bitangent turns with it
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vec3 B = cross(N, T) * (v_tangent.w < 0.0 ? -1.0 : 1.0);
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f_tbn = mat3(T, B, N);
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mat3 TBN = transpose(f_tbn);
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// TangentLightPos = TBN * f_light_pos.xyz;
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// TangentViewPos = TBN * vec3(0.0, 0.0, 0.0);
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TangentFragPos = TBN * f_pos.xyz;
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UserData = v_userdata;
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#ifdef MODEL_DRAWS
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// which block of the multi draw the fragments read (common.glsl)
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f_model_draw = MODEL_DRAW;
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#endif
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}
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