void PSTextureEncoder::Encode(u8* dst, const EFBCopyFormat& format, u32 native_width,
u32 bytes_per_row, u32 num_blocks_y, u32 memory_stride,
bool is_depth_copy, const EFBRectangle& src_rect, bool scale_by_half)
{
if (!m_ready) // Make sure we initialized OK
return;
HRESULT hr;
// Resolve MSAA targets before copying.
// FIXME: Instead of resolving EFB, it would be better to pick out a
// single sample from each pixel. The game may break if it isn't
// expecting the blurred edges around multisampled shapes.
ID3D11ShaderResourceView* pEFB = is_depth_copy ?
FramebufferManager::GetResolvedEFBDepthTexture()->GetSRV() :
FramebufferManager::GetResolvedEFBColorTexture()->GetSRV();
// Reset API
g_renderer->ResetAPIState();
// Set up all the state for EFB encoding
{
const u32 words_per_row = bytes_per_row / sizeof(u32);
D3D11_VIEWPORT vp = CD3D11_VIEWPORT(0.f, 0.f, FLOAT(words_per_row), FLOAT(num_blocks_y));
D3D::context->RSSetViewports(1, &vp);
constexpr EFBRectangle fullSrcRect(0, 0, EFB_WIDTH, EFB_HEIGHT);
TargetRectangle targetRect = g_renderer->ConvertEFBRectangle(fullSrcRect);
D3D::context->OMSetRenderTargets(1, &m_outRTV, nullptr);
EFBEncodeParams params;
params.SrcLeft = src_rect.left;
params.SrcTop = src_rect.top;
params.DestWidth = native_width;
params.ScaleFactor = scale_by_half ? 2 : 1;
D3D::context->UpdateSubresource(m_encodeParams, 0, nullptr, ¶ms, 0, 0);
D3D::stateman->SetPixelConstants(m_encodeParams);
// We also linear filtering for both box filtering and downsampling higher resolutions to 1x
// TODO: This only produces perfect downsampling for 1.5x and 2x IR, other resolution will
// need more complex down filtering to average all pixels and produce the correct result.
// Also, box filtering won't be correct for anything other than 1x IR
if (scale_by_half || g_ActiveConfig.iEFBScale != SCALE_1X)
D3D::SetLinearCopySampler();
else
D3D::SetPointCopySampler();
D3D::drawShadedTexQuad(pEFB, targetRect.AsRECT(), g_renderer->GetTargetWidth(),
g_renderer->GetTargetHeight(), GetEncodingPixelShader(format),
VertexShaderCache::GetSimpleVertexShader(),
VertexShaderCache::GetSimpleInputLayout());
// Copy to staging buffer
D3D11_BOX srcBox = CD3D11_BOX(0, 0, 0, words_per_row, num_blocks_y, 1);
D3D::context->CopySubresourceRegion(m_outStage, 0, 0, 0, 0, m_out, 0, &srcBox);
// Transfer staging buffer to GameCube/Wii RAM
D3D11_MAPPED_SUBRESOURCE map = {0};
hr = D3D::context->Map(m_outStage, 0, D3D11_MAP_READ, 0, &map);
CHECK(SUCCEEDED(hr), "map staging buffer (0x%x)", hr);
u8* src = (u8*)map.pData;
u32 readStride = std::min(bytes_per_row, map.RowPitch);
for (unsigned int y = 0; y < num_blocks_y; ++y)
{
memcpy(dst, src, readStride);
dst += memory_stride;
src += map.RowPitch;
}
D3D::context->Unmap(m_outStage, 0);
}
// Restore API
g_renderer->RestoreAPIState();
D3D::context->OMSetRenderTargets(1, &FramebufferManager::GetEFBColorTexture()->GetRTV(),
FramebufferManager::GetEFBDepthTexture()->GetDSV());
}
void PSTextureEncoder::Encode(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)
{
// Resolve MSAA targets before copying.
// FIXME: Instead of resolving EFB, it would be better to pick out a
// single sample from each pixel. The game may break if it isn't
// expecting the blurred edges around multisampled shapes.
ID3D11ShaderResourceView* pEFB = params.depth ?
FramebufferManager::GetResolvedEFBDepthTexture()->GetSRV() :
FramebufferManager::GetResolvedEFBColorTexture()->GetSRV();
// Reset API
g_renderer->ResetAPIState();
// Set up all the state for EFB encoding
{
const u32 words_per_row = bytes_per_row / sizeof(u32);
D3D11_VIEWPORT vp = CD3D11_VIEWPORT(0.f, 0.f, FLOAT(words_per_row), FLOAT(num_blocks_y));
D3D::context->RSSetViewports(1, &vp);
constexpr EFBRectangle fullSrcRect(0, 0, EFB_WIDTH, EFB_HEIGHT);
TargetRectangle targetRect = g_renderer->ConvertEFBRectangle(fullSrcRect);
D3D::context->OMSetRenderTargets(
1,
&static_cast<DXTexture*>(m_encoding_render_texture.get())->GetRawTexIdentifier()->GetRTV(),
nullptr);
EFBEncodeParams encode_params;
encode_params.SrcLeft = src_rect.left;
encode_params.SrcTop = src_rect.top;
encode_params.DestWidth = native_width;
encode_params.ScaleFactor = scale_by_half ? 2 : 1;
encode_params.y_scale = params.y_scale;
D3D::context->UpdateSubresource(m_encode_params, 0, nullptr, &encode_params, 0, 0);
D3D::stateman->SetPixelConstants(m_encode_params);
// We also linear filtering for both box filtering and downsampling higher resolutions to 1x
// TODO: This only produces perfect downsampling for 2x IR, other resolutions will need more
// complex down filtering to average all pixels and produce the correct result.
// Also, box filtering won't be correct for anything other than 1x IR
if (scale_by_half || g_renderer->GetEFBScale() != 1 || params.y_scale > 1.0f)
D3D::SetLinearCopySampler();
else
D3D::SetPointCopySampler();
D3D::drawShadedTexQuad(pEFB, targetRect.AsRECT(), g_renderer->GetTargetWidth(),
g_renderer->GetTargetHeight(), GetEncodingPixelShader(params),
VertexShaderCache::GetSimpleVertexShader(),
VertexShaderCache::GetSimpleInputLayout());
// Copy to staging buffer
MathUtil::Rectangle<int> copy_rect(0, 0, words_per_row, num_blocks_y);
m_encoding_readback_texture->CopyFromTexture(m_encoding_render_texture.get(), copy_rect, 0, 0,
copy_rect);
m_encoding_readback_texture->Flush();
if (m_encoding_readback_texture->Map())
{
m_encoding_readback_texture->ReadTexels(copy_rect, dst, memory_stride);
m_encoding_readback_texture->Unmap();
}
}
// Restore API
FramebufferManager::BindEFBRenderTarget();
g_renderer->RestoreAPIState();
}
