summaryrefslogtreecommitdiff
path: root/servers/rendering/renderer_rd/shaders
diff options
context:
space:
mode:
Diffstat (limited to 'servers/rendering/renderer_rd/shaders')
-rw-r--r--servers/rendering/renderer_rd/shaders/canvas.glsl6
-rw-r--r--servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl3
2 files changed, 9 insertions, 0 deletions
diff --git a/servers/rendering/renderer_rd/shaders/canvas.glsl b/servers/rendering/renderer_rd/shaders/canvas.glsl
index eb5f68849e..1fb8b28b15 100644
--- a/servers/rendering/renderer_rd/shaders/canvas.glsl
+++ b/servers/rendering/renderer_rd/shaders/canvas.glsl
@@ -502,6 +502,12 @@ void main() {
if (normal_used || (using_light && bool(draw_data.flags & FLAGS_DEFAULT_NORMAL_MAP_USED))) {
normal.xy = texture(sampler2D(normal_texture, texture_sampler), uv).xy * vec2(2.0, -2.0) - vec2(1.0, -1.0);
+ if (bool(draw_data.flags & FLAGS_FLIP_H)) {
+ normal.x = -normal.x;
+ }
+ if (bool(draw_data.flags & FLAGS_FLIP_V)) {
+ normal.y = -normal.y;
+ }
normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));
normal_used = true;
} else {
diff --git a/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl b/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
index 1b627a3e81..fe4bf4bed0 100644
--- a/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
+++ b/servers/rendering/renderer_rd/shaders/canvas_uniforms_inc.glsl
@@ -27,6 +27,9 @@
#define FLAGS_USE_MSDF (1 << 28)
#define FLAGS_USE_LCD (1 << 29)
+#define FLAGS_FLIP_H (1 << 30)
+#define FLAGS_FLIP_V (1 << 31)
+
#define SAMPLER_NEAREST_CLAMP 0
#define SAMPLER_LINEAR_CLAMP 1
#define SAMPLER_NEAREST_WITH_MIPMAPS_CLAMP 2