diff options
Diffstat (limited to 'drivers/gles3/shaders/ssao.glsl')
| -rw-r--r-- | drivers/gles3/shaders/ssao.glsl | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gles3/shaders/ssao.glsl b/drivers/gles3/shaders/ssao.glsl index ba29ec52c7..d8302bd46e 100644 --- a/drivers/gles3/shaders/ssao.glsl +++ b/drivers/gles3/shaders/ssao.glsl @@ -12,7 +12,7 @@ void main() { [fragment] -#define NUM_SAMPLES (11) +#define NUM_SAMPLES (15) // If using depth mip levels, the log of the maximum pixel offset before we need to switch to a lower // miplevel to maintain reasonable spatial locality in the cache @@ -25,8 +25,20 @@ void main() { // This is the number of turns around the circle that the spiral pattern makes. This should be prime to prevent // taps from lining up. This particular choice was tuned for NUM_SAMPLES == 9 -#define NUM_SPIRAL_TURNS (7) +const int ROTATIONS[] = int[]( 1, 1, 2, 3, 2, 5, 2, 3, 2, +3, 3, 5, 5, 3, 4, 7, 5, 5, 7, +9, 8, 5, 5, 7, 7, 7, 8, 5, 8, +11, 12, 7, 10, 13, 8, 11, 8, 7, 14, +11, 11, 13, 12, 13, 19, 17, 13, 11, 18, +19, 11, 11, 14, 17, 21, 15, 16, 17, 18, +13, 17, 11, 17, 19, 18, 25, 18, 19, 19, +29, 21, 19, 27, 31, 29, 21, 18, 17, 29, +31, 31, 23, 18, 25, 26, 25, 23, 19, 34, +19, 27, 21, 25, 39, 29, 17, 21, 27 ); + +//#define NUM_SPIRAL_TURNS (7) +const int NUM_SPIRAL_TURNS = ROTATIONS[NUM_SAMPLES-1]; uniform sampler2D source_depth; //texunit:0 uniform highp usampler2D source_depth_mipmaps; //texunit:1 |