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Diffstat (limited to 'source/blender/gpu/shaders/gpu_shader_point_uniform_color_aa_frag.glsl')
-rw-r--r--source/blender/gpu/shaders/gpu_shader_point_uniform_color_aa_frag.glsl24
1 files changed, 24 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_point_uniform_color_aa_frag.glsl b/source/blender/gpu/shaders/gpu_shader_point_uniform_color_aa_frag.glsl
new file mode 100644
index 00000000000..fef81cf58fe
--- /dev/null
+++ b/source/blender/gpu/shaders/gpu_shader_point_uniform_color_aa_frag.glsl
@@ -0,0 +1,24 @@
+
+uniform vec4 color;
+
+in vec2 radii;
+out vec4 fragColor;
+
+void main() {
+ float dist = length(gl_PointCoord - vec2(0.5));
+
+// transparent outside of point
+// --- 0 ---
+// smooth transition
+// --- 1 ---
+// pure point color
+// ...
+// dist = 0 at center of point
+
+ fragColor.rgb = color.rgb;
+ fragColor.a = mix(color.a, 0.0, smoothstep(radii[1], radii[0], dist));
+
+ if (fragColor.a == 0.0) {
+ discard;
+ }
+}