76 lines
3.6 KiB
Plaintext
76 lines
3.6 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 "../../ui/shaders/xesl.xesli"
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#include "edram.xesli"
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#include "host_depth_store.xesli"
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xesl_entry
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xesl_writeTypedStorageBuffer(xesl_uint4, xe_host_depth_store_dest, set=0,
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binding=0, u0, space0)
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xesl_entry_binding_next
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xesl_texture(xesl_texture2DMS, xe_host_depth_store_source, set=1, binding=0,
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t0, space0)
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xesl_entry_bindings_end_local_size(8, 8, 1)
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xesl_input_global_invocation_id
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xesl_entry_signature_end
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// 1 thread = 8 samples (8x0.5 pixels, resolve granularity is 8 pixels).
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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 >= XeHostDepthStoreScaledWidthDiv8()) {
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return;
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}
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xesl_int2 pixel_index =
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xesl_int2(XeHostDepthStoreScaledOrigin() +
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xesl_uint2(xesl_GlobalInvocationID.x << 3u,
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xesl_GlobalInvocationID.y >> 1u));
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uint dest_sample_index = xesl_GlobalInvocationID.y & 1u;
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uint edram_address_int4s =
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XeEdramOffsetInts(xesl_uint2(pixel_index), 0u,
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XeHostDepthStorePitchTiles(), kXenosMsaaSamples_2X,
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false, 0u, dest_sample_index,
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XeHostDepthStoreResolutionScale())
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>> 2u;
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// Top and bottom to Direct3D 10.1+ and Vulkan top 1 and bottom 0 (for 2x) or
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// top-left 0 and bottom-right 3 (for 4x).
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int source_sample_index =
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XeHostDepthStoreMsaa2xSupported() ? (bool(dest_sample_index) ? 0 : 1)
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: (bool(dest_sample_index) ? 3 : 0);
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xesl_writeTypedStorageBufferStore(
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xe_host_depth_store_dest, edram_address_int4s,
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xesl_floatBitsToUint(xesl_float4(
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xesl_texelFetch2DMS(xe_host_depth_store_source, pixel_index,
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source_sample_index).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(1, 0),
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source_sample_index).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(2, 0),
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source_sample_index).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(3, 0),
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source_sample_index).r)));
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xesl_writeTypedStorageBufferStore(
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xe_host_depth_store_dest, edram_address_int4s + 1u,
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xesl_floatBitsToUint(xesl_float4(
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(4, 0),
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source_sample_index).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(5, 0),
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source_sample_index).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(6, 0),
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source_sample_index).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source,
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pixel_index + xesl_int2(7, 0),
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source_sample_index).r)));
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xesl_entry_end
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