diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/copy.glsl')
| -rw-r--r-- | servers/rendering/renderer_rd/shaders/copy.glsl | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/servers/rendering/renderer_rd/shaders/copy.glsl b/servers/rendering/renderer_rd/shaders/copy.glsl index 4110a95ddb..a89f83b5c4 100644 --- a/servers/rendering/renderer_rd/shaders/copy.glsl +++ b/servers/rendering/renderer_rd/shaders/copy.glsl @@ -84,6 +84,8 @@ void main() { color += texelFetch(source_color, base_pos + ivec2(1, 0), 0); color += texelFetch(source_color, base_pos + ivec2(1, 1), 0); color /= 4.0; + color = mix(color, vec4(100.0, 100.0, 100.0, 1.0), isinf(color)); + color = mix(color, vec4(100.0, 100.0, 100.0, 1.0), isnan(color)); imageStore(dest_buffer, pos + params.target, color); #endif @@ -132,6 +134,13 @@ void main() { local_cache[dest_index + 16] = textureLod(source_color, quad_center_uv + vec2(0.0, 1.0 / params.section.w), 0); local_cache[dest_index + 16 + 1] = textureLod(source_color, quad_center_uv + vec2(1.0 / params.section.zw), 0); } + if (bool(params.flags & FLAG_GLOW_FIRST_PASS)) { + // Tonemap initial samples to reduce weight of fireflies: https://graphicrants.blogspot.com/2013/12/tone-mapping.html + local_cache[dest_index] /= 1.0 + dot(local_cache[dest_index].rgb, vec3(0.299, 0.587, 0.114)); + local_cache[dest_index + 1] /= 1.0 + dot(local_cache[dest_index + 1].rgb, vec3(0.299, 0.587, 0.114)); + local_cache[dest_index + 16] /= 1.0 + dot(local_cache[dest_index + 16].rgb, vec3(0.299, 0.587, 0.114)); + local_cache[dest_index + 16 + 1] /= 1.0 + dot(local_cache[dest_index + 16 + 1].rgb, vec3(0.299, 0.587, 0.114)); + } memoryBarrierShared(); barrier(); @@ -177,6 +186,11 @@ void main() { color += temp_cache[index - 2] * 0.140367; color += temp_cache[index - 3] * 0.106595; + if (bool(params.flags & FLAG_GLOW_FIRST_PASS)) { + // Undo tonemap to restore range: https://graphicrants.blogspot.com/2013/12/tone-mapping.html + color /= 1.0 - dot(color.rgb, vec3(0.299, 0.587, 0.114)); + } + color *= params.glow_strength; if (bool(params.flags & FLAG_GLOW_FIRST_PASS)) { @@ -186,7 +200,7 @@ void main() { #endif color *= params.glow_exposure; - float luminance = max(color.r, max(color.g, color.b)); + float luminance = dot(color.rgb, vec3(0.299, 0.587, 0.114)); float feedback = max(smoothstep(params.glow_hdr_threshold, params.glow_hdr_threshold + params.glow_hdr_scale, luminance), params.glow_bloom); color = min(color * feedback, vec4(params.glow_luminance_cap)); |