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Implement EFB copy filter and gamma in hardware backends

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Also makes y_scale a dynamic parameter for EFB copies, as it doesn't
make sense to keep it as part of the uid, otherwise we're generating
redundant shaders.
This commit is contained in:
Stenzek
2018-04-29 18:52:30 +10:00
parent a192a3bb30
commit 9e798eec94
41 changed files with 526 additions and 236 deletions
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49
Source/Core/VideoCommon/TextureCacheBase.cpp
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@ -1499,10 +1499,39 @@ void TextureCacheBase::LoadTextureLevelZeroFromMemory(TCacheEntry* entry_to_upda
}
}
void TextureCacheBase::CopyRenderTargetToTexture(u32 dstAddr, EFBCopyFormat dstFormat, u32 width,
u32 height, u32 dstStride, bool is_depth_copy,
const EFBRectangle& srcRect, bool isIntensity,
bool scaleByHalf, float y_scale, float gamma)
TextureCacheBase::CopyFilterCoefficientArray
TextureCacheBase::GetRAMCopyFilterCoefficients(const CopyFilterCoefficients::Values& coefficients)
{
// To simplify the backend, we precalculate the three coefficients in common. Coefficients 0, 1
// are for the row above, 2, 3, 4 are for the current pixel, and 5, 6 are for the row below.
return {static_cast<u32>(coefficients[0]) + static_cast<u32>(coefficients[1]),
static_cast<u32>(coefficients[2]) + static_cast<u32>(coefficients[3]) +
static_cast<u32>(coefficients[4]),
static_cast<u32>(coefficients[5]) + static_cast<u32>(coefficients[6])};
}
TextureCacheBase::CopyFilterCoefficientArray
TextureCacheBase::GetVRAMCopyFilterCoefficients(const CopyFilterCoefficients::Values& coefficients)
{
// If the user disables the copy filter, only apply it to the VRAM copy.
// This way games which are sensitive to changes to the RAM copy of the XFB will be unaffected.
CopyFilterCoefficientArray res = GetRAMCopyFilterCoefficients(coefficients);
if (!g_ActiveConfig.bDisableCopyFilter)
return res;
// Disabling the copy filter in options should not ignore the values the game sets completely,
// as some games use the filter coefficients to control the brightness of the screen. Instead,
// add all coefficients to the middle sample, so the deflicker/vertical filter has no effect.
res[1] += res[0] + res[2];
res[0] = 0;
res[2] = 0;
return res;
}
void TextureCacheBase::CopyRenderTargetToTexture(
u32 dstAddr, EFBCopyFormat dstFormat, u32 width, u32 height, u32 dstStride, bool is_depth_copy,
const EFBRectangle& srcRect, bool isIntensity, bool scaleByHalf, float y_scale, float gamma,
bool clamp_top, bool clamp_bottom, const CopyFilterCoefficients::Values& filter_coefficients)
{
// Emulation methods:
//
@ -1622,8 +1651,10 @@ void TextureCacheBase::CopyRenderTargetToTexture(u32 dstAddr, EFBCopyFormat dstF
if (copy_to_ram)
{
PEControl::PixelFormat srcFormat = bpmem.zcontrol.pixel_format;
EFBCopyParams format(srcFormat, dstFormat, is_depth_copy, isIntensity, y_scale);
CopyEFB(dst, format, tex_w, bytes_per_row, num_blocks_y, dstStride, srcRect, scaleByHalf);
EFBCopyParams format(srcFormat, dstFormat, is_depth_copy, isIntensity);
CopyEFB(dst, format, tex_w, bytes_per_row, num_blocks_y, dstStride, srcRect, scaleByHalf,
y_scale, gamma, clamp_top, clamp_bottom,
GetRAMCopyFilterCoefficients(filter_coefficients));
}
else
{
@ -1742,8 +1773,6 @@ void TextureCacheBase::CopyRenderTargetToTexture(u32 dstAddr, EFBCopyFormat dstF
{
entry->SetGeneralParameters(dstAddr, 0, baseFormat, is_xfb_copy);
entry->SetDimensions(tex_w, tex_h, 1);
entry->gamma = gamma;
entry->frameCount = FRAMECOUNT_INVALID;
if (is_xfb_copy)
{
@ -1757,7 +1786,9 @@ void TextureCacheBase::CopyRenderTargetToTexture(u32 dstAddr, EFBCopyFormat dstF
entry->may_have_overlapping_textures = false;
entry->is_custom_tex = false;
CopyEFBToCacheEntry(entry, is_depth_copy, srcRect, scaleByHalf, dstFormat, isIntensity);
CopyEFBToCacheEntry(entry, is_depth_copy, srcRect, scaleByHalf, dstFormat, isIntensity, gamma,
clamp_top, clamp_bottom,
GetVRAMCopyFilterCoefficients(filter_coefficients));
u64 hash = entry->CalculateHash();
entry->SetHashes(hash, hash);