From b52297767e0a7598348299ad38abe2375571251a Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Mon, 16 Dec 2019 17:54:41 -0300 Subject: renderer_vulkan/shader: Add helper GLSL shaders These shaders are used to specify code that is not dynamically generated in the Vulkan backend. Instead of packing it inside the build system, it's manually built and copied to the C++ file to avoid adding unnecessary build time dependencies. quad_array should be dropped in the future since it can be emulated with a memory pool generated from the CPU. --- .../renderer_vulkan/shaders/quad_array.comp | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 src/video_core/renderer_vulkan/shaders/quad_array.comp (limited to 'src/video_core/renderer_vulkan/shaders/quad_array.comp') 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; + } +} -- cgit v1.2.3