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Xenia-Canary/src/xenia/gpu/shaders/host_depth_store.xesli

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/**
******************************************************************************
* 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. *
******************************************************************************
*/
#ifndef XENIA_GPU_SHADERS_HOST_DEPTH_STORE_XESLI_
#define XENIA_GPU_SHADERS_HOST_DEPTH_STORE_XESLI_
#include "../../ui/shaders/xesl.xesli"
xesl_push_constants_begin(b0, space0)
uint xe_host_depth_store_rectangle;
uint xe_host_depth_store_render_target;
xesl_push_constants_end
xesl_uint2 XeHostDepthStoreResolutionScale() {
uint rt_constant = xesl_push_constant(xe_host_depth_store_render_target);
return (rt_constant.xx >> xesl_uint2(10u, 12u)) & 0x3u;
}
xesl_uint2 XeHostDepthStoreUnscaledOrigin() {
uint rectangle_constant = xesl_push_constant(xe_host_depth_store_rectangle);
return ((rectangle_constant.xx >> xesl_uint2(0u, 10u)) & 0x3FFu) << 3u;
}
xesl_uint2 XeHostDepthStoreScaledOrigin() {
return XeHostDepthStoreUnscaledOrigin() * XeHostDepthStoreResolutionScale();
}
uint XeHostDepthStoreUnscaledWidthDiv8Minus1() {
uint rectangle_constant = xesl_push_constant(xe_host_depth_store_rectangle);
return (rectangle_constant >> 20u) & 0x3FFu;
}
uint XeHostDepthStoreScaledWidthDiv8() {
return (XeHostDepthStoreUnscaledWidthDiv8Minus1() + 1u) *
XeHostDepthStoreResolutionScale().x;
}
// As host depth is needed for at most one transfer destination per update, base
// is not passed to the shader - (0, 0) of the render target is at 0 of the
// destination buffer.
uint XeHostDepthStorePitchTiles() {
uint rt_constant = xesl_push_constant(xe_host_depth_store_render_target);
return rt_constant & 0x3FFu;
}
bool XeHostDepthStoreMsaa2xSupported() {
uint rt_constant = xesl_push_constant(xe_host_depth_store_render_target);
return bool((rt_constant >> 14u) & 0x1u);
}
// 40-sample columns are not swapped for addressing simplicity (because this is
// used for depth -> depth transfers, where swapping isn't needed).
#endif // XENIA_GPU_SHADERS_HOST_DEPTH_STORE_XESLI_