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gsdx-d3d11: Save screenshots as PNG files

This commit is contained in:
Jonathan Li 2016-02-19 18:05:11 +00:00
parent cf939620ea
commit d865efceb9
1 changed files with 68 additions and 32 deletions
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100
plugins/GSdx/GSTexture11.cpp
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@ -21,6 +21,7 @@
#include "stdafx.h" #include "stdafx.h"
#include "GSTexture11.h" #include "GSTexture11.h"
#include "GSPng.h"
GSTexture11::GSTexture11(ID3D11Texture2D* texture) GSTexture11::GSTexture11(ID3D11Texture2D* texture)
: m_texture(texture) : m_texture(texture)
@ -94,60 +95,95 @@ void GSTexture11::Unmap()
bool GSTexture11::Save(const string& fn, bool dds) bool GSTexture11::Save(const string& fn, bool dds)
{ {
CComPtr<ID3D11Resource> res; CComPtr<ID3D11Texture2D> res;
D3D11_TEXTURE2D_DESC desc;
if(m_desc.BindFlags & D3D11_BIND_DEPTH_STENCIL) m_texture->GetDesc(&desc);
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
HRESULT hr = m_dev->CreateTexture2D(&desc, nullptr, &res);
if (FAILED(hr))
{ {
HRESULT hr; return false;
}
D3D11_TEXTURE2D_DESC desc; m_ctx->CopyResource(res, m_texture);
memset(&desc, 0, sizeof(desc)); if (m_desc.BindFlags & D3D11_BIND_DEPTH_STENCIL)
{
m_texture->GetDesc(&desc); CComPtr<ID3D11Texture2D> dst;
desc.Usage = D3D11_USAGE_STAGING;
desc.BindFlags = 0;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
CComPtr<ID3D11Texture2D> src, dst;
hr = m_dev->CreateTexture2D(&desc, NULL, &src);
m_ctx->CopyResource(src, m_texture);
desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM; desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; desc.CPUAccessFlags |= D3D11_CPU_ACCESS_WRITE;
hr = m_dev->CreateTexture2D(&desc, NULL, &dst); hr = m_dev->CreateTexture2D(&desc, nullptr, &dst);
if (FAILED(hr))
{
return false;
}
D3D11_MAPPED_SUBRESOURCE sm, dm; D3D11_MAPPED_SUBRESOURCE sm, dm;
hr = m_ctx->Map(src, 0, D3D11_MAP_READ, 0, &sm); hr = m_ctx->Map(res, 0, D3D11_MAP_READ, 0, &sm);
hr = m_ctx->Map(dst, 0, D3D11_MAP_WRITE, 0, &dm); if (FAILED(hr))
uint8* s = (uint8*)sm.pData;
uint8* d = (uint8*)dm.pData;
for(uint32 y = 0; y < desc.Height; y++, s += sm.RowPitch, d += dm.RowPitch)
{ {
for(uint32 x = 0; x < desc.Width; x++) return false;
}
hr = m_ctx->Map(dst, 0, D3D11_MAP_WRITE, 0, &dm);
if (FAILED(hr))
{
m_ctx->Unmap(res, 0);
return false;
}
uint8* s = static_cast<uint8*>(sm.pData);
uint8* d = static_cast<uint8*>(dm.pData);
for (uint32 y = 0; y < desc.Height; y++, s += sm.RowPitch, d += dm.RowPitch)
{
for (uint32 x = 0; x < desc.Width; x++)
{ {
((uint32*)d)[x] = (uint32)(ldexpf(((float*)s)[x*2], 32)); reinterpret_cast<uint32*>(d)[x] = static_cast<uint32>(ldexpf(reinterpret_cast<float*>(s)[x*2], 32));
} }
} }
m_ctx->Unmap(src, 0); m_ctx->Unmap(res, 0);
m_ctx->Unmap(dst, 0); m_ctx->Unmap(dst, 0);
res = dst; res = dst;
} }
else
res->GetDesc(&desc);
GSPng::Format format;
switch (desc.Format)
{ {
res = m_texture; case DXGI_FORMAT_A8_UNORM:
format = GSPng::R8I_PNG;
break;
case DXGI_FORMAT_R8G8B8A8_UNORM:
format = dds ? GSPng::RGBA_PNG : (m_desc.BindFlags & D3D11_BIND_DEPTH_STENCIL ? GSPng::RGB_A_PNG : GSPng::RGB_PNG);
break;
default:
fprintf(stderr, "DXGI_FORMAT %d not saved to image\n", desc.Format);
return false;
} }
return SUCCEEDED(D3DX11SaveTextureToFile(m_ctx, res, dds ? D3DX11_IFF_DDS : D3DX11_IFF_BMP, fn.c_str())); D3D11_MAPPED_SUBRESOURCE sm;
hr = m_ctx->Map(res, 0, D3D11_MAP_READ, 0, &sm);
if (FAILED(hr))
{
return false;
}
bool success = GSPng::Save(format, fn, static_cast<uint8*>(sm.pData), desc.Width, desc.Height, sm.RowPitch);
m_ctx->Unmap(res, 0);
return success;
} }
GSTexture11::operator ID3D11Texture2D*() GSTexture11::operator ID3D11Texture2D*()