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Recreate screenshot texture whenever the backbuffer resolution changes. Fixes crashes when taking screenshots after changing window size or switching to/from fullscreen mode.

This commit is contained in:
NeoBrainX 2012-08-07 14:55:10 +02:00 committed by Pierre Bourdon
parent ec859009b7
commit c143e08b9a
1 changed files with 25 additions and 9 deletions
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34
Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
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@ -219,6 +219,7 @@ static const D3D11_TEXTURE_ADDRESS_MODE d3dClamps[4] =
D3D11_TEXTURE_ADDRESS_WRAP //reserved
};
void SetupDeviceObjects()
{
s_television.Init();
@ -300,10 +301,7 @@ void SetupDeviceObjects()
CHECK(hr==S_OK, "Create rasterizer state for Renderer::ResetAPIState");
D3D::SetDebugObjectName((ID3D11DeviceChild*)resetraststate, "rasterizer state for Renderer::ResetAPIState");
D3D11_TEXTURE2D_DESC scrtex_desc = CD3D11_TEXTURE2D_DESC(DXGI_FORMAT_R8G8B8A8_UNORM, D3D::GetBackBufferWidth(), D3D::GetBackBufferHeight(), 1, 1, 0, D3D11_USAGE_STAGING, D3D11_CPU_ACCESS_READ|D3D11_CPU_ACCESS_WRITE);
hr = D3D::device->CreateTexture2D(&scrtex_desc, NULL, &s_screenshot_texture);
CHECK(hr==S_OK, "Create screenshot staging texture");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_screenshot_texture, "staging screenshot texture");
s_screenshot_texture = NULL;
}
// Kill off all device objects
@ -327,6 +325,14 @@ void TeardownDeviceObjects()
s_television.Shutdown();
}
void CreateScreenshotTexture()
{
D3D11_TEXTURE2D_DESC scrtex_desc = CD3D11_TEXTURE2D_DESC(DXGI_FORMAT_R8G8B8A8_UNORM, D3D::GetBackBufferWidth(), D3D::GetBackBufferHeight(), 1, 1, 0, D3D11_USAGE_STAGING, D3D11_CPU_ACCESS_READ|D3D11_CPU_ACCESS_WRITE);
HRESULT hr = D3D::device->CreateTexture2D(&scrtex_desc, NULL, &s_screenshot_texture);
CHECK(hr==S_OK, "Create screenshot staging texture");
D3D::SetDebugObjectName((ID3D11DeviceChild*)s_screenshot_texture, "staging screenshot texture");
}
Renderer::Renderer()
{
int x, y, w_temp, h_temp;
@ -847,6 +853,9 @@ void Renderer::SetBlendMode(bool forceUpdate)
bool Renderer::SaveScreenshot(const std::string &filename, const TargetRectangle &rc)
{
if (!s_screenshot_texture)
CreateScreenshotTexture();
// copy back buffer to system memory
D3D::context->CopyResource(s_screenshot_texture, (ID3D11Resource*)D3D::GetBackBuffer()->GetTex());
@ -1020,6 +1029,9 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
static int s_recordWidth;
static int s_recordHeight;
if (!s_screenshot_texture)
CreateScreenshotTexture();
D3D::context->CopyResource(s_screenshot_texture, (ID3D11Resource*)D3D::GetBackBuffer()->GetTex());
if (!bLastFrameDumped)
{
@ -1159,10 +1171,14 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
s_LastAA = g_ActiveConfig.iMultisampleMode;
PixelShaderCache::InvalidateMSAAShaders();
// TODO: Aren't we still holding a reference to the back buffer right now?
D3D::Reset();
s_backbuffer_width = D3D::GetBackBufferWidth();
s_backbuffer_height = D3D::GetBackBufferHeight();
if (windowResized)
{
// TODO: Aren't we still holding a reference to the back buffer right now?
D3D::Reset();
SAFE_RELEASE(s_screenshot_texture);
s_backbuffer_width = D3D::GetBackBufferWidth();
s_backbuffer_height = D3D::GetBackBufferHeight();
}
ComputeDrawRectangle(s_backbuffer_width, s_backbuffer_height, false, &dst_rect);
@ -1172,7 +1188,7 @@ void Renderer::Swap(u32 xfbAddr, FieldType field, u32 fbWidth, u32 fbHeight,cons
CalculateTargetSize();
D3D::context->OMSetRenderTargets(1, &D3D::GetBackBuffer()->GetRTV(), NULL);
delete g_framebuffer_manager;
g_framebuffer_manager = new FramebufferManager;
float clear_col[4] = { 0.f, 0.f, 0.f, 1.f };