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EXPERIMENTAL: Metal backend (#441)

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This is not a continuation of the Metal backend; this is simply bringing
the branch up to date and merging it as-is behind an experiment.

---------

Co-authored-by: Isaac Marovitz <isaacryu@icloud.com>
Co-authored-by: Samuliak <samuliak77@gmail.com>
Co-authored-by: SamoZ256 <96914946+SamoZ256@users.noreply.github.com>
Co-authored-by: Isaac Marovitz <42140194+IsaacMarovitz@users.noreply.github.com>
Co-authored-by: riperiperi <rhy3756547@hotmail.com>
Co-authored-by: Gabriel A <gab.dark.100@gmail.com>
This commit is contained in:
Evan Husted
2024-12-24 00:55:16 -06:00
committed by GitHub
parent 3094df54dd
commit 852823104f
131 changed files with 14992 additions and 140 deletions
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59
src/Ryujinx.Graphics.Metal/Shaders/ConvertIndexBuffer.metal Normal file
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#include <metal_stdlib>
using namespace metal;
struct IndexBufferPattern {
int pattern[8];
int primitiveVertices;
int primitiveVerticesOut;
int indexSize;
int indexSizeOut;
int baseIndex;
int indexStride;
int srcOffset;
int totalPrimitives;
};
struct InData {
uint8_t data[1];
};
struct OutData {
uint8_t data[1];
};
struct StorageBuffers {
device InData* in_data;
device OutData* out_data;
constant IndexBufferPattern* index_buffer_pattern;
};
kernel void kernelMain(device StorageBuffers &storage_buffers [[buffer(STORAGE_BUFFERS_INDEX)]],
uint3 thread_position_in_grid [[thread_position_in_grid]])
{
int primitiveIndex = int(thread_position_in_grid.x);
if (primitiveIndex >= storage_buffers.index_buffer_pattern->totalPrimitives)
{
return;
}
int inOffset = primitiveIndex * storage_buffers.index_buffer_pattern->indexStride;
int outOffset = primitiveIndex * storage_buffers.index_buffer_pattern->primitiveVerticesOut;
for (int i = 0; i < storage_buffers.index_buffer_pattern->primitiveVerticesOut; i++)
{
int j;
int io = max(0, inOffset + storage_buffers.index_buffer_pattern->baseIndex + storage_buffers.index_buffer_pattern->pattern[i]) * storage_buffers.index_buffer_pattern->indexSize;
int oo = (outOffset + i) * storage_buffers.index_buffer_pattern->indexSizeOut;
for (j = 0; j < storage_buffers.index_buffer_pattern->indexSize; j++)
{
storage_buffers.out_data->data[oo + j] = storage_buffers.in_data->data[storage_buffers.index_buffer_pattern->srcOffset + io + j];
}
for(; j < storage_buffers.index_buffer_pattern->indexSizeOut; j++)
{
storage_buffers.out_data->data[oo + j] = uint8_t(0);
}
}
}