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https://github.com/xenia-project/xenia.git
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b61953374e
Ordering the descriptor sets by the change frequency on Vulkan, in increasing order (the opposite of D3D12 root signatures). The EDRAM binding never changes there (always one storage buffer), while the destination buffer binding may become changeable in the future (to split dispatches if exceeding `maxStorageBufferRange`, for example).
86 lines
3.8 KiB
Plaintext
86 lines
3.8 KiB
Plaintext
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2022 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "endian.xesli"
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#define XE_RESOLVE_SOURCE_TYPE xesl_uint4
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#include "resolve.xesli"
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xesl_writeTypedStorageBuffer_declare(xesl_uint4, xe_resolve_dest, set=1,
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binding=0, u0, space0)
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#define xesl_localSize_x 8
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#define xesl_localSize_y 8
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#define xesl_localSize_z 1
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xesl_entry_bindings_begin_compute
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XE_RESOLVE_PUSH_CONSTANTS_BINDING
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xesl_entry_binding_next
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xesl_writeTypedStorageBuffer_binding(xesl_uint4, xe_resolve_dest,
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buffer(1))
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xesl_entry_binding_next
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XE_RESOLVE_COPY_EDRAM_BINDING
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xesl_entry_bindings_end_inputs_begin_compute
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xesl_entry_input_globalInvocationID
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xesl_entry_inputs_end_code_begin_compute
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// 1 thread = 8 host pixels.
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XeResolveInfo resolve_info =
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XeResolveGetInfo(xesl_function_call_pushConstants);
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// Group height can't cross resolve granularity, Y overflow check not needed.
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xesl_dont_flatten
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if (xesl_GlobalInvocationID.x >= resolve_info.width_div_8_scaled) {
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return;
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}
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xesl_uint2 pixel_index = xesl_GlobalInvocationID.xy << xesl_uint2(3u, 0u);
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uint source_address_int4s =
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XeEdramOffsetInts(
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xesl_uint2(pixel_index.x,
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max(pixel_index.y,
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uint(resolve_info.duplicate_second_host_pixel.y))) +
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resolve_info.edram_offset_scaled,
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resolve_info.edram_base_tiles, resolve_info.edram_pitch_tiles,
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kXenosMsaaSamples_4X, resolve_info.edram_is_depth, 0u,
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XeResolveFirstSampleIndex(resolve_info.sample_select),
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resolve_info.resolution_scale)
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>> 2u;
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xesl_uint4 pixels_0123, pixels_4567;
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xesl_dont_flatten
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if (resolve_info.sample_select != kXenosCopySampleSelect_2 &&
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resolve_info.sample_select != kXenosCopySampleSelect_3) {
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pixels_0123.xy = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s).xz;
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pixels_0123.zw = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s + 1u).xz;
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pixels_4567.xy = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s + 2u).xz;
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pixels_4567.zw = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s + 3u).xz;
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} else {
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pixels_0123.xy = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s).yw;
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pixels_0123.zw = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s + 1u).yw;
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pixels_4567.xy = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s + 2u).yw;
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pixels_4567.zw = xesl_typedStorageBufferLoad(
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xe_resolve_edram, source_address_int4s + 3u).yw;
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}
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if (resolve_info.duplicate_second_host_pixel.x && pixel_index.x == 0u) {
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pixels_0123.x = pixels_0123.y;
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}
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XeResolveSwap8PixelsRedBlue32bpp(resolve_info, pixels_0123, pixels_4567);
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uint dest_address =
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XeResolveDestPixelAddress(resolve_info, pixel_index, 2u) >> 4u;
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xesl_writeTypedStorageBufferStore(
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xe_resolve_dest, dest_address,
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XeEndianSwap32(pixels_0123, resolve_info.dest_endian_128));
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dest_address += XeResolveDestRightConsecutiveBlocksOffset(
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pixel_index.x, 2u, resolve_info.resolution_scale) >> 4u;
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xesl_writeTypedStorageBufferStore(
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xe_resolve_dest, dest_address,
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XeEndianSwap32(pixels_4567, resolve_info.dest_endian_128));
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xesl_entry_code_end_compute
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