aurora-rendering-engine/shaders/gbuffer/gbuffer.vert

36 lines
935 B
GLSL

#version 430 core
// Vertex attributes
layout(location = 0) in vec3 a_position;
layout(location = 1) in vec3 a_normal;
layout(location = 2) in vec2 a_texcoord;
layout(location = 3) in vec3 a_tangent;
// Uniforms
uniform mat4 u_model;
uniform mat4 u_view;
uniform mat4 u_projection;
uniform mat3 u_normal_matrix;
// Outputs to fragment shader
out vec3 v_world_position;
out vec3 v_world_normal;
out vec2 v_texcoord;
out vec3 v_world_tangent;
void main() {
// Transform position to world space
vec4 world_pos = u_model * vec4(a_position, 1.0);
v_world_position = world_pos.xyz;
// Transform normal and tangent to world space
v_world_normal = normalize(u_normal_matrix * a_normal);
v_world_tangent = normalize(u_normal_matrix * a_tangent);
// Pass through texture coordinates
v_texcoord = a_texcoord;
// Transform to clip space
gl_Position = u_projection * u_view * world_pos;
}