diff options
Diffstat (limited to 'drivers/gles3/shaders/ssao.glsl')
| -rw-r--r-- | drivers/gles3/shaders/ssao.glsl | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gles3/shaders/ssao.glsl b/drivers/gles3/shaders/ssao.glsl index c668e63745..219f0957e0 100644 --- a/drivers/gles3/shaders/ssao.glsl +++ b/drivers/gles3/shaders/ssao.glsl @@ -13,8 +13,24 @@ void main() { #define TWO_PI 6.283185307179586476925286766559 +#ifdef SSAO_QUALITY_HIGH + +#define NUM_SAMPLES (80) + +#endif + +#ifdef SSAO_QUALITY_LOW + #define NUM_SAMPLES (15) +#endif + +#if !defined(SSAO_QUALITY_LOW) && !defined(SSAO_QUALITY_HIGH) + +#define NUM_SAMPLES (40) + +#endif + // 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 // If this number is too small (< 3), too many taps will land in the same pixel, and we'll get bad variance that manifests as flashing. @@ -212,12 +228,12 @@ void main() { //visibility=-C.z/camera_z_far; //return; - - //vec3 n_C = texelFetch(source_normal,ssC,0).rgb * 2.0 - 1.0; - +#if 0 + vec3 n_C = texelFetch(source_normal,ssC,0).rgb * 2.0 - 1.0; +#else vec3 n_C = reconstructCSFaceNormal(C); n_C = -n_C; - +#endif // Hash function used in the HPG12 AlchemyAO paper float randomPatternRotationAngle = mod(float((3 * ssC.x ^ ssC.y + ssC.x * ssC.y) * 10), TWO_PI); |