19 lines
570 B
GLSL
19 lines
570 B
GLSL
layout(push_constant) uniform Constants
|
|
{
|
|
mat4 m_inverse_projection_view_matrix;
|
|
} u_push_constants;
|
|
|
|
layout(location = 0) in vec2 f_uv;
|
|
layout(binding = 0) uniform samplerCube f_skybox_texture;
|
|
|
|
layout(location = 0) out vec4 o_color;
|
|
|
|
void main()
|
|
{
|
|
vec2 uv = 2.0f * f_uv - 1.0f;
|
|
vec4 front = u_push_constants.m_inverse_projection_view_matrix * vec4(uv, -1.0, 1.0);
|
|
vec4 back = u_push_constants.m_inverse_projection_view_matrix * vec4(uv, 1.0, 1.0);
|
|
vec3 dir = back.xyz / back.w - front.xyz / front.w;
|
|
o_color = texture(f_skybox_texture, dir);
|
|
}
|