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authorReinUsesLisp <reinuseslisp@airmail.cc>2020-12-30 06:03:50 +0100
committerReinUsesLisp <reinuseslisp@airmail.cc>2020-12-30 06:03:50 +0100
commit21b18057f7035e1442be20667662efba911653df (patch)
treed8d607ce81d0b78db2b1eeb07d82dbb65357f5c9 /src
parenthost_shaders: Add helper to blit depth stencil fragment shader (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/host_shaders/CMakeLists.txt3
-rw-r--r--src/video_core/host_shaders/vulkan_quad_array.comp28
-rw-r--r--src/video_core/host_shaders/vulkan_quad_indexed.comp41
-rw-r--r--src/video_core/host_shaders/vulkan_uint8.comp24
4 files changed, 96 insertions, 0 deletions
diff --git a/src/video_core/host_shaders/CMakeLists.txt b/src/video_core/host_shaders/CMakeLists.txt
index 7059c2d2a..4c7399d5a 100644
--- a/src/video_core/host_shaders/CMakeLists.txt
+++ b/src/video_core/host_shaders/CMakeLists.txt
@@ -12,6 +12,9 @@ set(SHADER_FILES
vulkan_blit_depth_stencil.frag
vulkan_present.frag
vulkan_present.vert
+ vulkan_quad_array.comp
+ vulkan_quad_indexed.comp
+ vulkan_uint8.comp
)
find_program(GLSLANGVALIDATOR "glslangValidator" REQUIRED)
diff --git a/src/video_core/host_shaders/vulkan_quad_array.comp b/src/video_core/host_shaders/vulkan_quad_array.comp
new file mode 100644
index 000000000..212f4e998
--- /dev/null
+++ b/src/video_core/host_shaders/vulkan_quad_array.comp
@@ -0,0 +1,28 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#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;
+ }
+}
diff --git a/src/video_core/host_shaders/vulkan_quad_indexed.comp b/src/video_core/host_shaders/vulkan_quad_indexed.comp
new file mode 100644
index 000000000..8655591d0
--- /dev/null
+++ b/src/video_core/host_shaders/vulkan_quad_indexed.comp
@@ -0,0 +1,41 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#version 460 core
+
+layout (local_size_x = 1024) in;
+
+layout (std430, set = 0, binding = 0) readonly buffer InputBuffer {
+ uint input_indexes[];
+};
+
+layout (std430, set = 0, binding = 1) writeonly buffer OutputBuffer {
+ uint output_indexes[];
+};
+
+layout (push_constant) uniform PushConstants {
+ uint base_vertex;
+ int index_shift; // 0: uint8, 1: uint16, 2: uint32
+};
+
+void main() {
+ int primitive = int(gl_GlobalInvocationID.x);
+ if (primitive * 6 >= output_indexes.length()) {
+ return;
+ }
+
+ int index_size = 8 << index_shift;
+ int flipped_shift = 2 - index_shift;
+ int mask = (1 << flipped_shift) - 1;
+
+ const int quad_swizzle[6] = int[](0, 1, 2, 0, 2, 3);
+ for (uint vertex = 0; vertex < 6; ++vertex) {
+ int offset = primitive * 4 + quad_swizzle[vertex];
+ int int_offset = offset >> flipped_shift;
+ int bit_offset = (offset & mask) * index_size;
+ uint packed_input = input_indexes[int_offset];
+ uint index = bitfieldExtract(packed_input, bit_offset, index_size);
+ output_indexes[primitive * 6 + vertex] = index + base_vertex;
+ }
+}
diff --git a/src/video_core/host_shaders/vulkan_uint8.comp b/src/video_core/host_shaders/vulkan_uint8.comp
new file mode 100644
index 000000000..ad74d7af9
--- /dev/null
+++ b/src/video_core/host_shaders/vulkan_uint8.comp
@@ -0,0 +1,24 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#version 460 core
+#extension GL_EXT_shader_16bit_storage : require
+#extension GL_EXT_shader_8bit_storage : require
+
+layout (local_size_x = 1024) in;
+
+layout (std430, set = 0, binding = 0) readonly buffer InputBuffer {
+ uint8_t input_indexes[];
+};
+
+layout (std430, set = 0, binding = 1) writeonly buffer OutputBuffer {
+ uint16_t output_indexes[];
+};
+
+void main() {
+ uint id = gl_GlobalInvocationID.x;
+ if (id < input_indexes.length()) {
+ output_indexes[id] = uint16_t(input_indexes[id]);
+ }
+}