[GPU] XeSL host depth store and VS passthrough shaders

2022-03-27 16:15:53 +03:00
parent 2cd6c31998
commit 3a07559df9
66 changed files with 2622 additions and 1585 deletions
--- a/src/xenia/gpu/shaders/host_depth_store_4xmsaa.cs.xesl
+++ b/src/xenia/gpu/shaders/host_depth_store_4xmsaa.cs.xesl
@@ -0,0 +1,72 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2022 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "../../ui/shaders/xesl.xesli"
+
+#include "edram.xesli"
+#include "host_depth_store.xesli"
+
+xesl_entry
+  xesl_writeTypedStorageBuffer(xesl_uint4, xe_host_depth_store_dest, set=0,
+                               binding=0, u0, space0)
+  xesl_entry_binding_next
+  xesl_texture(xesl_texture2DMS, xe_host_depth_store_source, set=1, binding=0,
+               t0, space0)
+xesl_entry_bindings_end_local_size(8, 8, 1)
+  xesl_input_global_invocation_id
+xesl_entry_signature_end
+  // 1 thread = 8 samples (4x0.5 pixels, resolve granularity is 8 pixels).
+  // Group height can't cross resolve granularity, Y overflow check not needed.
+  xesl_dont_flatten
+  if ((xesl_GlobalInvocationID.x >> 1u) >= XeHostDepthStoreScaledWidthDiv8()) {
+    return;
+  }
+  xesl_int2 pixel_index =
+      xesl_int2(XeHostDepthStoreScaledOrigin() +
+                xesl_uint2(xesl_GlobalInvocationID.x << 2u,
+                           xesl_GlobalInvocationID.y >> 1u));
+  // For simplicity, passing samples directly, not pixels, to XeEdramOffsetInts.
+  uint edram_address_int4s =
+      XeEdramOffsetInts(
+          (xesl_uint2(pixel_index) << 1u) | (xesl_GlobalInvocationID.xy & 1u),
+          0u, XeHostDepthStorePitchTiles(), kXenosMsaaSamples_1X, false, 0u, 0u,
+          XeHostDepthStoreResolutionScale())
+      >> 2u;
+  // Render target horizontal sample in bit 0, vertical sample in bit 1.
+  int source_sample_left = int((xesl_GlobalInvocationID.y & 1u) << 1u);
+  int source_sample_right = source_sample_left + 1;
+  xesl_writeTypedStorageBufferStore(
+      xe_host_depth_store_dest, edram_address_int4s,
+      xesl_floatBitsToUint(xesl_float4(
+          xesl_texelFetch2DMS(xe_host_depth_store_source, pixel_index,
+                              source_sample_left).r,
+          xesl_texelFetch2DMS(xe_host_depth_store_source, pixel_index,
+                              source_sample_right).r,
+          xesl_texelFetch2DMS(xe_host_depth_store_source,
+                              pixel_index + xesl_int2(1, 0),
+                              source_sample_left).r,
+          xesl_texelFetch2DMS(xe_host_depth_store_source,
+                              pixel_index + xesl_int2(1, 0),
+                              source_sample_right).r)));
+  xesl_writeTypedStorageBufferStore(
+      xe_host_depth_store_dest, edram_address_int4s + 1u,
+      xesl_floatBitsToUint(xesl_float4(
+          xesl_texelFetch2DMS(xe_host_depth_store_source,
+                              pixel_index + xesl_int2(2, 0),
+                              source_sample_left).r,
+          xesl_texelFetch2DMS(xe_host_depth_store_source,
+                              pixel_index + xesl_int2(2, 0),
+                              source_sample_right).r,
+          xesl_texelFetch2DMS(xe_host_depth_store_source,
+                              pixel_index + xesl_int2(3, 0),
+                              source_sample_left).r,
+          xesl_texelFetch2DMS(xe_host_depth_store_source,
+                              pixel_index + xesl_int2(3, 0),
+                              source_sample_right).r)));
+xesl_entry_end