35 lines
1.0 KiB
GLSL
35 lines
1.0 KiB
GLSL
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#version 430 core
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layout (location = 0) in vec3 position;
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layout (location = 1) in vec3 normal;
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layout (location = 2) in vec3 tangent;
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layout (location = 3) in vec2 texture_coord;
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out vec3 frag_position;
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out vec3 frag_normal;
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out vec3 frag_tangent;
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out vec3 frag_bitangent;
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out vec2 frag_texture_coord;
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out vec4 view_position;
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uniform mat4 view_matrix;
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uniform mat4 view_matrix_inverse;
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uniform mat4 model_matrix;
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uniform float time;
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uniform mat4 shadow_matrix;
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void main()
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{
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mat3 model_inverse_matrix = mat3(transpose(inverse(model_matrix))); // @Performance: Compute this only once, before calling the shader
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frag_normal = normalize(model_inverse_matrix * normal );
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frag_tangent = normalize(model_inverse_matrix * tangent);
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frag_bitangent = normalize(model_inverse_matrix * cross(normal, tangent));
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vec4 world_position = model_matrix * vec4(position, 1.0);
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frag_position = world_position.xyz / world_position.w;
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frag_texture_coord = texture_coord;
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gl_Position = view_matrix * world_position;
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view_position = gl_Position;
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}
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