System info & network

shaders/pbr.vert

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