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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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47
Source/Core/VideoBackends/D3D/TextureCache.cpp
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@ -33,10 +33,12 @@ static std::unique_ptr<PSTextureEncoder> g_encoder;
void TextureCache::CopyEFB(u8* dst, const EFBCopyParams& params, u32 native_width,
u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
const EFBRectangle& src_rect, bool scale_by_half)
const EFBRectangle& src_rect, bool scale_by_half, float y_scale,
float gamma, bool clamp_top, bool clamp_bottom,
const CopyFilterCoefficientArray& filter_coefficients)
{
g_encoder->Encode(dst, params, native_width, bytes_per_row, num_blocks_y, memory_stride, src_rect,
scale_by_half);
scale_by_half, y_scale, gamma, clamp_top, clamp_bottom, filter_coefficients);
}
const char palette_shader[] =
@ -137,9 +139,9 @@ void TextureCache::ConvertTexture(TCacheEntry* destination, TCacheEntry* source,
D3D::stateman->SetTexture(1, palette_buf_srv);
// TODO: Add support for C14X2 format. (Different multiplier, more palette entries.)
float params[4] = {source->format == TextureFormat::I4 ? 15.f : 255.f};
D3D::context->UpdateSubresource(palette_uniform, 0, nullptr, &params, 0, 0);
D3D::stateman->SetPixelConstants(palette_uniform);
float params[8] = {source->format == TextureFormat::I4 ? 15.f : 255.f};
D3D::context->UpdateSubresource(uniform_buffer, 0, nullptr, &params, 0, 0);
D3D::stateman->SetPixelConstants(uniform_buffer);
const D3D11_RECT sourcerect = CD3D11_RECT(0, 0, source->GetWidth(), source->GetHeight());
@ -180,7 +182,7 @@ TextureCache::TextureCache()
palette_buf = nullptr;
palette_buf_srv = nullptr;
palette_uniform = nullptr;
uniform_buffer = nullptr;
palette_pixel_shader[static_cast<int>(TLUTFormat::IA8)] = GetConvertShader("IA8");
palette_pixel_shader[static_cast<int>(TLUTFormat::RGB565)] = GetConvertShader("RGB565");
palette_pixel_shader[static_cast<int>(TLUTFormat::RGB5A3)] = GetConvertShader("RGB5A3");
@ -195,10 +197,10 @@ TextureCache::TextureCache()
CHECK(SUCCEEDED(hr), "create palette decoder lut srv");
D3D::SetDebugObjectName(palette_buf_srv, "texture decoder lut srv");
const D3D11_BUFFER_DESC cbdesc =
CD3D11_BUFFER_DESC(16, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DEFAULT);
hr = D3D::device->CreateBuffer(&cbdesc, nullptr, &palette_uniform);
CD3D11_BUFFER_DESC(sizeof(float) * 8, D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE_DEFAULT);
hr = D3D::device->CreateBuffer(&cbdesc, nullptr, &uniform_buffer);
CHECK(SUCCEEDED(hr), "Create palette decoder constant buffer");
D3D::SetDebugObjectName(palette_uniform,
D3D::SetDebugObjectName(uniform_buffer,
"a constant buffer used in TextureCache::CopyRenderTargetToTexture");
}
@ -209,7 +211,7 @@ TextureCache::~TextureCache()
SAFE_RELEASE(palette_buf);
SAFE_RELEASE(palette_buf_srv);
SAFE_RELEASE(palette_uniform);
SAFE_RELEASE(uniform_buffer);
for (auto*& shader : palette_pixel_shader)
SAFE_RELEASE(shader);
for (auto& iter : m_efb_to_tex_pixel_shaders)
@ -218,7 +220,9 @@ TextureCache::~TextureCache()
void TextureCache::CopyEFBToCacheEntry(TCacheEntry* entry, bool is_depth_copy,
const EFBRectangle& src_rect, bool scale_by_half,
EFBCopyFormat dst_format, bool is_intensity)
EFBCopyFormat dst_format, bool is_intensity, float gamma,
bool clamp_top, bool clamp_bottom,
const CopyFilterCoefficientArray& filter_coefficients)
{
auto* destination_texture = static_cast<DXTexture*>(entry->texture.get());
@ -260,6 +264,27 @@ void TextureCache::CopyEFBToCacheEntry(TCacheEntry* entry, bool is_depth_copy,
else
D3D::SetPointCopySampler();
struct PixelConstants
{
float filter_coefficients[3];
float gamma_rcp;
float clamp_top;
float clamp_bottom;
float pixel_height;
u32 padding;
};
PixelConstants constants;
for (size_t i = 0; i < filter_coefficients.size(); i++)
constants.filter_coefficients[i] = filter_coefficients[i] / 64.0f;
constants.gamma_rcp = 1.0f / gamma;
constants.clamp_top = clamp_top ? src_rect.top / float(EFB_HEIGHT) : 0.0f;
constants.clamp_bottom = clamp_bottom ? src_rect.bottom / float(EFB_HEIGHT) : 1.0f;
constants.pixel_height =
g_ActiveConfig.bCopyEFBScaled ? 1.0f / g_renderer->GetTargetHeight() : 1.0f / EFB_HEIGHT;
constants.padding = 0;
D3D::context->UpdateSubresource(uniform_buffer, 0, nullptr, &constants, 0, 0);
D3D::stateman->SetPixelConstants(uniform_buffer);
// Make sure we don't draw with the texture set as both a source and target.
// (This can happen because we don't unbind textures when we free them.)
D3D::stateman->UnsetTexture(destination_texture->GetRawTexIdentifier()->GetSRV());