diff options
Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl')
-rw-r--r-- | source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl b/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl index d10f4bc0d42..5a72244cfbe 100644 --- a/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl +++ b/source/blender/draw/engines/eevee/shaders/lightprobe_cube_display_frag.glsl @@ -1,15 +1,18 @@ flat in int pid; -in vec3 worldNormal; -in vec3 worldPosition; +in vec2 quadCoord; out vec4 FragColor; void main() { - vec3 V = (ProjectionMatrix[3][3] == 0.0) /* if perspective */ - ? normalize(cameraPos - worldPosition) - : cameraForward; - vec3 N = normalize(worldNormal); - FragColor = vec4(textureLod_octahedron(probeCubes, vec4(reflect(-V, N), pid), 0.0, prbLodCubeMax).rgb, 1.0); + float dist_sqr = dot(quadCoord, quadCoord); + + /* Discard outside the circle. */ + if (dist_sqr > 1.0) + discard; + + vec3 view_nor = vec3(quadCoord, sqrt(max(0.0, 1.0 - dist_sqr))); + vec3 world_ref = mat3(ViewMatrixInverse) * reflect(vec3(0.0, 0.0, -1.0), view_nor); + FragColor = vec4(textureLod_octahedron(probeCubes, vec4(world_ref, pid), 0.0, prbLodCubeMax).rgb, 1.0); } |