71 lines
3.4 KiB
Plaintext
71 lines
3.4 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 "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 (4x0.5 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 >> 1u) >= 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 << 2u,
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xesl_GlobalInvocationID.y >> 1u));
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// For simplicity, passing samples directly, not pixels, to XeEdramOffsetInts.
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uint edram_address_int4s =
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XeEdramOffsetInts(
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(xesl_uint2(pixel_index) << 1u) | (xesl_GlobalInvocationID.xy & 1u),
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0u, XeHostDepthStorePitchTiles(), kXenosMsaaSamples_1X, false, 0u, 0u,
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XeHostDepthStoreResolutionScale())
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>> 2u;
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// Render target horizontal sample in bit 0, vertical sample in bit 1.
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int source_sample_left = int((xesl_GlobalInvocationID.y & 1u) << 1u);
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int source_sample_right = source_sample_left + 1;
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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_left).r,
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xesl_texelFetch2DMS(xe_host_depth_store_source, pixel_index,
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source_sample_right).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_left).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_right).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(2, 0),
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source_sample_left).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_right).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_left).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_right).r)));
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xesl_entry_end
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