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kd-11 2024-06-07 02:50:10 +03:00 committed by kd-11
parent d6ed56aed6
commit 32a5641ace
1 changed files with 17 additions and 13 deletions
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30
rpcs3/Emu/RSX/RSXThread.cpp
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@ -2600,16 +2600,21 @@ namespace rsx
}
// Special operations applied to 8-bit formats such as gamma correction and sign conversion
// NOTE: The unsigned_remap=bias flag being set flags the texture as being sign-expanded (BX2) (UE3)
// NOTE: The ARGB8_signed flag means to reinterpret the raw bytes as signed. This is different than unsigned_remap=bias
// NOTE: The unsigned_remap=bias flag being set flags the texture as being compressed normal (2n-1 / BX2) (UE3)
// NOTE: The ARGB8_signed flag means to reinterpret the raw bytes as signed. This is different than unsigned_remap=bias which does range decompression.
// This is a separate method of setting the format to signed mode without doing so per-channel
// Precedence = SIGNED override > GAMMA > UNSIGNED_REMAP (See Resistance 3 for GAMMA/REMAP relationship, UE3 for REMAP effect)
// Precedence = SNORM > GAMMA > UNSIGNED_REMAP (See Resistance 3 for GAMMA/BX2 relationship, UE3 for BX2 effect)
const u32 argb8_signed = tex.argb_signed();
const u32 gamma = tex.gamma() & ~argb8_signed;
const u32 unsigned_remap = (tex.unsigned_remap() == CELL_GCM_TEXTURE_UNSIGNED_REMAP_NORMAL)? 0u : (~gamma & 0xF);
const u32 argb8_signed = tex.argb_signed(); // _SNROM
const u32 gamma = tex.gamma() & ~argb8_signed; // _SRGB
const u32 unsigned_remap = (tex.unsigned_remap() == CELL_GCM_TEXTURE_UNSIGNED_REMAP_NORMAL)? 0u : (~(gamma | argb8_signed) & 0xF); // _BX2
u32 argb8_convert = gamma;
// The options are mutually exclusive
ensure((argb8_signed & gamma) == 0);
ensure((argb8_signed & unsigned_remap) == 0);
ensure((gamma & unsigned_remap) == 0);
// Helper function to apply a per-channel mask based on an input mask
const auto apply_sign_convert_mask = [&](u32 mask, u32 bit_offset)
{
@ -2619,14 +2624,13 @@ namespace rsx
if (remap_ctrl == 0xAA)
{
argb8_convert |= (mask & 0xFu) << bit_offset;
return;
}
else
{
if (remap_ctrl & 0x03) argb8_convert |= (mask & 0x1u) << bit_offset;
if (remap_ctrl & 0x0C) argb8_convert |= (mask & 0x2u) << bit_offset;
if (remap_ctrl & 0x30) argb8_convert |= (mask & 0x4u) << bit_offset;
if (remap_ctrl & 0xC0) argb8_convert |= (mask & 0x8u) << bit_offset;
}
if (remap_ctrl & 0x03) argb8_convert |= (mask & 0x1u) << bit_offset;
if (remap_ctrl & 0x0C) argb8_convert |= (mask & 0x2u) << bit_offset;
if (remap_ctrl & 0x30) argb8_convert |= (mask & 0x4u) << bit_offset;
if (remap_ctrl & 0xC0) argb8_convert |= (mask & 0x8u) << bit_offset;
};
if (argb8_signed)