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-rw-r--r--servers/rendering/renderer_rd/shaders/effects/cubemap_downsampler_raster.glsl204
1 files changed, 101 insertions, 103 deletions
diff --git a/servers/rendering/renderer_rd/shaders/effects/cubemap_downsampler_raster.glsl b/servers/rendering/renderer_rd/shaders/effects/cubemap_downsampler_raster.glsl
index 0828ffd921..b8c64d09f4 100644
--- a/servers/rendering/renderer_rd/shaders/effects/cubemap_downsampler_raster.glsl
+++ b/servers/rendering/renderer_rd/shaders/effects/cubemap_downsampler_raster.glsl
@@ -55,109 +55,107 @@ void main() {
// Converted from compute shader which uses absolute coordinates.
// Could possibly simplify this
float face_size = float(params.face_size);
+ float inv_face_size = 1.0 / face_size;
+ vec2 id = floor(uv_interp);
- if (uv_interp.x < face_size && uv_interp.y < face_size) {
- float inv_face_size = 1.0 / face_size;
-
- float u0 = (uv_interp.x * 2.0 + 1.0 - 0.75) * inv_face_size - 1.0;
- float u1 = (uv_interp.x * 2.0 + 1.0 + 0.75) * inv_face_size - 1.0;
-
- float v0 = (uv_interp.y * 2.0 + 1.0 - 0.75) * -inv_face_size + 1.0;
- float v1 = (uv_interp.y * 2.0 + 1.0 + 0.75) * -inv_face_size + 1.0;
-
- float weights[4];
- weights[0] = calcWeight(u0, v0);
- weights[1] = calcWeight(u1, v0);
- weights[2] = calcWeight(u0, v1);
- weights[3] = calcWeight(u1, v1);
-
- const float wsum = 0.5 / (weights[0] + weights[1] + weights[2] + weights[3]);
- for (int i = 0; i < 4; i++) {
- weights[i] = weights[i] * wsum + .125;
- }
-
- vec3 dir;
- vec4 color;
- switch (params.face_id) {
- case 0:
- get_dir_0(dir, u0, v0);
- color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
-
- get_dir_0(dir, u1, v0);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
-
- get_dir_0(dir, u0, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
-
- get_dir_0(dir, u1, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
- break;
- case 1:
- get_dir_1(dir, u0, v0);
- color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
-
- get_dir_1(dir, u1, v0);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
-
- get_dir_1(dir, u0, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
-
- get_dir_1(dir, u1, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
- break;
- case 2:
- get_dir_2(dir, u0, v0);
- color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
-
- get_dir_2(dir, u1, v0);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
-
- get_dir_2(dir, u0, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
-
- get_dir_2(dir, u1, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
- break;
- case 3:
- get_dir_3(dir, u0, v0);
- color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
-
- get_dir_3(dir, u1, v0);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
-
- get_dir_3(dir, u0, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
-
- get_dir_3(dir, u1, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
- break;
- case 4:
- get_dir_4(dir, u0, v0);
- color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
-
- get_dir_4(dir, u1, v0);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
-
- get_dir_4(dir, u0, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
-
- get_dir_4(dir, u1, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
- break;
- default:
- get_dir_5(dir, u0, v0);
- color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
-
- get_dir_5(dir, u1, v0);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
-
- get_dir_5(dir, u0, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
-
- get_dir_5(dir, u1, v1);
- color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
- break;
- }
- frag_color = color;
+ float u1 = (id.x * 2.0 + 1.0 + 0.75) * inv_face_size - 1.0;
+ float u0 = (id.x * 2.0 + 1.0 - 0.75) * inv_face_size - 1.0;
+
+ float v0 = (id.y * 2.0 + 1.0 - 0.75) * -inv_face_size + 1.0;
+ float v1 = (id.y * 2.0 + 1.0 + 0.75) * -inv_face_size + 1.0;
+
+ float weights[4];
+ weights[0] = calcWeight(u0, v0);
+ weights[1] = calcWeight(u1, v0);
+ weights[2] = calcWeight(u0, v1);
+ weights[3] = calcWeight(u1, v1);
+
+ const float wsum = 0.5 / (weights[0] + weights[1] + weights[2] + weights[3]);
+ for (int i = 0; i < 4; i++) {
+ weights[i] = weights[i] * wsum + .125;
+ }
+
+ vec3 dir;
+ vec4 color;
+ switch (params.face_id) {
+ case 0:
+ get_dir_0(dir, u0, v0);
+ color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
+
+ get_dir_0(dir, u1, v0);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
+
+ get_dir_0(dir, u0, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
+
+ get_dir_0(dir, u1, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
+ break;
+ case 1:
+ get_dir_1(dir, u0, v0);
+ color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
+
+ get_dir_1(dir, u1, v0);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
+
+ get_dir_1(dir, u0, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
+
+ get_dir_1(dir, u1, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
+ break;
+ case 2:
+ get_dir_2(dir, u0, v0);
+ color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
+
+ get_dir_2(dir, u1, v0);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
+
+ get_dir_2(dir, u0, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
+
+ get_dir_2(dir, u1, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
+ break;
+ case 3:
+ get_dir_3(dir, u0, v0);
+ color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
+
+ get_dir_3(dir, u1, v0);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
+
+ get_dir_3(dir, u0, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
+
+ get_dir_3(dir, u1, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
+ break;
+ case 4:
+ get_dir_4(dir, u0, v0);
+ color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
+
+ get_dir_4(dir, u1, v0);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
+
+ get_dir_4(dir, u0, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
+
+ get_dir_4(dir, u1, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
+ break;
+ default:
+ get_dir_5(dir, u0, v0);
+ color = textureLod(source_cubemap, normalize(dir), 0.0) * weights[0];
+
+ get_dir_5(dir, u1, v0);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[1];
+
+ get_dir_5(dir, u0, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[2];
+
+ get_dir_5(dir, u1, v1);
+ color += textureLod(source_cubemap, normalize(dir), 0.0) * weights[3];
+ break;
}
+ frag_color = color;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 02:21:23 +0000