host_shaders: Add Vulkan assembler compute shaders
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@ -12,6 +12,9 @@ set(SHADER_FILES
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vulkan_blit_depth_stencil.frag
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vulkan_present.frag
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vulkan_present.vert
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vulkan_quad_array.comp
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vulkan_quad_indexed.comp
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vulkan_uint8.comp
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)
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find_program(GLSLANGVALIDATOR "glslangValidator" REQUIRED)
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@ -0,0 +1,28 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#version 460 core
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layout (local_size_x = 1024) in;
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layout (std430, set = 0, binding = 0) buffer OutputBuffer {
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uint output_indexes[];
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};
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layout (push_constant) uniform PushConstants {
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uint first;
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};
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void main() {
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uint primitive = gl_GlobalInvocationID.x;
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if (primitive * 6 >= output_indexes.length()) {
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return;
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}
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const uint quad_map[6] = uint[](0, 1, 2, 0, 2, 3);
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for (uint vertex = 0; vertex < 6; ++vertex) {
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uint index = first + primitive * 4 + quad_map[vertex];
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output_indexes[primitive * 6 + vertex] = index;
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}
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}
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@ -0,0 +1,41 @@
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#version 460 core
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layout (local_size_x = 1024) in;
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layout (std430, set = 0, binding = 0) readonly buffer InputBuffer {
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uint input_indexes[];
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};
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layout (std430, set = 0, binding = 1) writeonly buffer OutputBuffer {
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uint output_indexes[];
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};
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layout (push_constant) uniform PushConstants {
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uint base_vertex;
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int index_shift; // 0: uint8, 1: uint16, 2: uint32
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};
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void main() {
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int primitive = int(gl_GlobalInvocationID.x);
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if (primitive * 6 >= output_indexes.length()) {
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return;
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}
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int index_size = 8 << index_shift;
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int flipped_shift = 2 - index_shift;
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int mask = (1 << flipped_shift) - 1;
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const int quad_swizzle[6] = int[](0, 1, 2, 0, 2, 3);
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for (uint vertex = 0; vertex < 6; ++vertex) {
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int offset = primitive * 4 + quad_swizzle[vertex];
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int int_offset = offset >> flipped_shift;
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int bit_offset = (offset & mask) * index_size;
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uint packed_input = input_indexes[int_offset];
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uint index = bitfieldExtract(packed_input, bit_offset, index_size);
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output_indexes[primitive * 6 + vertex] = index + base_vertex;
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}
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}
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@ -0,0 +1,24 @@
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// Copyright 2019 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#version 460 core
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#extension GL_EXT_shader_16bit_storage : require
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#extension GL_EXT_shader_8bit_storage : require
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layout (local_size_x = 1024) in;
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layout (std430, set = 0, binding = 0) readonly buffer InputBuffer {
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uint8_t input_indexes[];
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};
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layout (std430, set = 0, binding = 1) writeonly buffer OutputBuffer {
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uint16_t output_indexes[];
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};
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void main() {
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uint id = gl_GlobalInvocationID.x;
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if (id < input_indexes.length()) {
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output_indexes[id] = uint16_t(input_indexes[id]);
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}
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}
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