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-rwxr-xr-xMaster/texmf-dist/asymptote/shaders/count.glsl11
1 files changed, 11 insertions, 0 deletions
diff --git a/Master/texmf-dist/asymptote/shaders/count.glsl b/Master/texmf-dist/asymptote/shaders/count.glsl
new file mode 100755
index 00000000000..dae4e51f1b7
--- /dev/null
+++ b/Master/texmf-dist/asymptote/shaders/count.glsl
@@ -0,0 +1,11 @@
+layout(binding=2, std430) buffer countBuffer {
+ uint count[];
+};
+
+uniform uint width;
+
+void main()
+{
+ atomicAdd(count[uint(gl_FragCoord.y)*width+uint(gl_FragCoord.x)],1u);
+ discard;
+}