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renderer_vulkan: Accelerate ASTC decoding

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Co-Authored-By: Rodrigo Locatti <reinuseslisp@airmail.cc>
This commit is contained in:
ameerj
2021-02-13 16:49:24 -05:00
parent f6566338eb
commit 20eb368e14
11 changed files with 426 additions and 57 deletions
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43
src/video_core/host_shaders/astc_decoder.comp
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@ -16,7 +16,7 @@
#define BINDING_7_TO_8_BUFFER 4
#define BINDING_8_TO_8_BUFFER 5
#define BINDING_BYTE_TO_16_BUFFER 6
#define BINDING_OUTPUT_IMAGE 3
#define BINDING_OUTPUT_IMAGE 7
#else // ^^^ Vulkan ^^^ // vvv OpenGL vvv
@ -85,7 +85,26 @@ layout(binding = BINDING_SWIZZLE_BUFFER, std430) readonly buffer SwizzleTable {
layout(binding = BINDING_INPUT_BUFFER, std430) buffer InputBufferU32 {
uint astc_data[];
};
layout(binding = BINDING_OUTPUT_IMAGE) uniform writeonly image2D dest_image;
// ASTC Encodings data
layout(binding = BINDING_ENC_BUFFER, std430) readonly buffer EncodingsValues {
EncodingData encoding_values[];
};
// ASTC Precompiled tables
layout(binding = BINDING_6_TO_8_BUFFER, std430) readonly buffer REPLICATE_6_BIT_TO_8 {
uint REPLICATE_6_BIT_TO_8_TABLE[];
};
layout(binding = BINDING_7_TO_8_BUFFER, std430) readonly buffer REPLICATE_7_BIT_TO_8 {
uint REPLICATE_7_BIT_TO_8_TABLE[];
};
layout(binding = BINDING_8_TO_8_BUFFER, std430) readonly buffer REPLICATE_8_BIT_TO_8 {
uint REPLICATE_8_BIT_TO_8_TABLE[];
};
layout(binding = BINDING_BYTE_TO_16_BUFFER, std430) readonly buffer REPLICATE_BYTE_TO_16 {
uint REPLICATE_BYTE_TO_16_TABLE[];
};
layout(binding = BINDING_OUTPUT_IMAGE, rgba8) uniform writeonly image2D dest_image;
const uint GOB_SIZE_X = 64;
const uint GOB_SIZE_Y = 8;
@ -109,23 +128,6 @@ uint ReadTexel(uint offset) {
return bitfieldExtract(astc_data[offset / 4], int((offset * 8) & 24), 8);
}
// ASTC Encodings data
layout(binding = BINDING_ENC_BUFFER, std430) readonly buffer EncodingsValues {
EncodingData encoding_values[256];
};
// ASTC Precompiled tables
layout(binding = BINDING_6_TO_8_BUFFER, std430) readonly buffer REPLICATE_6_BIT_TO_8 {
uint REPLICATE_6_BIT_TO_8_TABLE[];
};
layout(binding = BINDING_7_TO_8_BUFFER, std430) readonly buffer REPLICATE_7_BIT_TO_8 {
uint REPLICATE_7_BIT_TO_8_TABLE[];
};
layout(binding = BINDING_8_TO_8_BUFFER, std430) readonly buffer REPLICATE_8_BIT_TO_8 {
uint REPLICATE_8_BIT_TO_8_TABLE[];
};
layout(binding = BINDING_BYTE_TO_16_BUFFER, std430) readonly buffer REPLICATE_BYTE_TO_16 {
uint REPLICATE_BYTE_TO_16_TABLE[];
};
const int BLOCK_SIZE_IN_BYTES = 16;
@ -1275,8 +1277,7 @@ void main() {
offset += (pos.x >> GOB_SIZE_X_SHIFT) << x_shift;
offset += swizzle;
const ivec3 invocation_destination = ivec3(gl_GlobalInvocationID + destination);
const ivec3 coord = ivec3(invocation_destination * uvec3(block_dims, 1.0));
const ivec3 coord = ivec3(gl_GlobalInvocationID * uvec3(block_dims, 1.0));
uint block_index =
layer * num_image_blocks.x * num_image_blocks.y + pos.y * num_image_blocks.x + pos.x;
current_index = 0;