Merge pull request #43886 from reduz/sdf-2d

Implement Signed Distance Fields for 2D shaders

1 files changed, 17 insertions, 1 deletions

diff --git a/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl b/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl
index 421282cd4d..5c25235c58 100644
--- a/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl
+++ b/servers/rendering/rasterizer_rd/shaders/canvas_occlusion.glsl
@@ -2,6 +2,8 @@
 
 #version 450
 
+VERSION_DEFINES
+
 layout(location = 0) in highp vec3 vertex;
 
 layout(push_constant, binding = 0, std430) uniform Constants {
@@ -13,12 +15,16 @@ layout(push_constant, binding = 0, std430) uniform Constants {
 }
 constants;
 
+#ifdef MODE_SHADOW
 layout(location = 0) out highp float depth;
+#endif
 
 void main() {
 	highp vec4 vtx = vec4(vertex, 1.0) * mat4(constants.modelview[0], constants.modelview[1], vec4(0.0, 0.0, 1.0, 0.0), vec4(0.0, 0.0, 0.0, 1.0));
-	depth = dot(constants.direction, vtx.xy);
 
+#ifdef MODE_SHADOW
+	depth = dot(constants.direction, vtx.xy);
+#endif
 	gl_Position = constants.projection * vtx;
 }
 
@@ -26,6 +32,8 @@ void main() {
 
 #version 450
 
+VERSION_DEFINES
+
 layout(push_constant, binding = 0, std430) uniform Constants {
 	mat4 projection;
 	mat2x4 modelview;
@@ -35,9 +43,17 @@ layout(push_constant, binding = 0, std430) uniform Constants {
 }
 constants;
 
+#ifdef MODE_SHADOW
 layout(location = 0) in highp float depth;
 layout(location = 0) out highp float distance_buf;
+#else
+layout(location = 0) out highp float sdf_buf;
+#endif
 
 void main() {
+#ifdef MODE_SHADOW
 	distance_buf = depth / constants.z_far;
+#else
+	sdf_buf = 1.0;
+#endif
 }