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-rw-r--r--src/video_core/renderer_vulkan/shaders/quad_array.comp37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/video_core/renderer_vulkan/shaders/quad_array.comp b/src/video_core/renderer_vulkan/shaders/quad_array.comp
new file mode 100644
index 000000000..5a5703308
--- /dev/null
+++ b/src/video_core/renderer_vulkan/shaders/quad_array.comp
@@ -0,0 +1,37 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+/*
+ * Build instructions:
+ * $ glslangValidator -V $THIS_FILE -o output.spv
+ * $ spirv-opt -O --strip-debug output.spv -o optimized.spv
+ * $ xxd -i optimized.spv
+ *
+ * Then copy that bytecode to the C++ file
+ */
+
+#version 460 core
+
+layout (local_size_x = 1024) in;
+
+layout (std430, set = 0, binding = 0) buffer OutputBuffer {
+ uint output_indexes[];
+};
+
+layout (push_constant) uniform PushConstants {
+ uint first;
+};
+
+void main() {
+ uint primitive = gl_GlobalInvocationID.x;
+ if (primitive * 6 >= output_indexes.length()) {
+ return;
+ }
+
+ const uint quad_map[6] = uint[](0, 1, 2, 0, 2, 3);
+ for (uint vertex = 0; vertex < 6; ++vertex) {
+ uint index = first + primitive * 4 + quad_map[vertex];
+ output_indexes[primitive * 6 + vertex] = index;
+ }
+}