vcc: added checkerboard.frag.c test

shady-gang · Oct 24, 2023 · 5be78ad · 5be78ad
1 parent 54614f7
commit 5be78ad
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Showing 2 changed files with 21 additions and 0 deletions.
diff --git a/test/vcc/CMakeLists.txt b/test/vcc/CMakeLists.txt
@@ -8,3 +8,4 @@ endforeach()
 spv_outputting_test(NAME test/vcc/empty.comp.c COMPILER vcc EXTRA_ARGS --entry-point main)
 
 spv_outputting_test(NAME test/vcc/simple.frag.c COMPILER vcc EXTRA_ARGS --entry-point main --no-dynamic-scheduling --execution-model Fragment)
+spv_outputting_test(NAME test/vcc/checkerboard.frag.c COMPILER vcc EXTRA_ARGS --entry-point main --no-dynamic-scheduling --execution-model Fragment)
diff --git a/test/vcc/checkerboard.frag.c b/test/vcc/checkerboard.frag.c
@@ -0,0 +1,20 @@
+#include <stdint.h>
+
+#define location(i) __attribute__((annotate("shady::location::"#i)))
+#define input       __attribute__((address_space(389)))
+#define output      __attribute__((address_space(390)))
+
+typedef float vec4     __attribute__((ext_vector_type(4)));
+
+location(0) output vec4 fragColor;
+
+__attribute__((annotate("shady::builtin::FragCoord")))
+input vec4 fragCoord;
+
+__attribute__((annotate("shady::entry_point::Fragment")))
+void main() {
+    int fillx = (((int) fragCoord[0]) / 16) % 2;
+    int filly = (((int) fragCoord[1]) / 16) % 2;
+    int fill = fillx ^ filly;
+    fragColor = (vec4) {fill, fill, 0.0f, 1.0f };
+}
Original file line number	Diff line number	Diff line change
Expand Up		@@ -8,3 +8,4 @@ endforeach()
		spv_outputting_test(NAME test/vcc/empty.comp.c COMPILER vcc EXTRA_ARGS --entry-point main)

		spv_outputting_test(NAME test/vcc/simple.frag.c COMPILER vcc EXTRA_ARGS --entry-point main --no-dynamic-scheduling --execution-model Fragment)
		spv_outputting_test(NAME test/vcc/checkerboard.frag.c COMPILER vcc EXTRA_ARGS --entry-point main --no-dynamic-scheduling --execution-model Fragment)