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GPU/D3D11: Fix incorrect usage of CopySubresourceRegion() in CopyVRAM() 

I believe this is what was causing the renderer to have issues on
Windows 7.
This commit is contained in:
Connor McLaughlin 2020-04-10 01:07:42 +10:00
parent 5a19abbbd3
commit a06240141e
1 changed files with 7 additions and 1 deletions
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8
src/core/gpu_hw_d3d11.cpp
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@ -700,6 +700,12 @@ void GPU_HW_D3D11::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 widt
return;
}
// We can't CopySubresourceRegion to the same resource. So use the shadow texture if we can, but that may need to be
// updated first. Copying to the same resource seemed to work on Windows 10, but breaks on Windows 7. But, it's
// against the API spec, so better to be safe than sorry.
if (m_vram_dirty_rect.Intersects(Common::Rectangle<u32>::FromExtents(src_x, src_y, width, height)))
UpdateVRAMReadTexture();
GPU_HW::CopyVRAM(src_x, src_y, dst_x, dst_y, width, height);
src_x *= m_resolution_scale;
@ -710,7 +716,7 @@ void GPU_HW_D3D11::CopyVRAM(u32 src_x, u32 src_y, u32 dst_x, u32 dst_y, u32 widt
height *= m_resolution_scale;
const CD3D11_BOX src_box(src_x, src_y, 0, src_x + width, src_y + height, 1);
m_context->CopySubresourceRegion(m_vram_texture, 0, dst_x, dst_y, 0, m_vram_texture, 0, &src_box);
m_context->CopySubresourceRegion(m_vram_texture, 0, dst_x, dst_y, 0, m_vram_read_texture, 0, &src_box);
}
void GPU_HW_D3D11::UpdateVRAMReadTexture()