diff options
Diffstat (limited to 'drivers/gles3/shaders/ssao_blur.glsl')
| -rw-r--r-- | drivers/gles3/shaders/ssao_blur.glsl | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gles3/shaders/ssao_blur.glsl b/drivers/gles3/shaders/ssao_blur.glsl index ce4154f50c..c7c978dc37 100644 --- a/drivers/gles3/shaders/ssao_blur.glsl +++ b/drivers/gles3/shaders/ssao_blur.glsl @@ -56,6 +56,8 @@ uniform ivec2 axis; uniform float camera_z_far; uniform float camera_z_near; +uniform ivec2 screen_size; + void main() { ivec2 ssC = ivec2(gl_FragCoord.xy); @@ -83,6 +85,7 @@ void main() { float totalWeight = BASE; sum *= totalWeight; + ivec2 clamp_limit = screen_size - ivec2(1); for (int r = -R; r <= R; ++r) { // We already handled the zero case above. This loop should be unrolled and the static branch optimized out, @@ -90,8 +93,8 @@ void main() { if (r != 0) { ivec2 ppos = ssC + axis * (r * SCALE); - float value = texelFetch(source_ssao, ppos, 0).r; - float temp_depth = texelFetch(source_depth, ssC, 0).r; + float value = texelFetch(source_ssao, clamp(ppos,ivec2(0),clamp_limit), 0).r; + float temp_depth = texelFetch(source_depth, clamp(ssC,ivec2(0),clamp_limit), 0).r; temp_depth = temp_depth * 2.0 - 1.0; temp_depth = 2.0 * camera_z_near * camera_z_far / (camera_z_far + camera_z_near - temp_depth * (camera_z_far - camera_z_near)); |