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Render to fbo when the size mismatches at creation time. 

This is needed because the window(and thus the GL drawable) might be
smaller than the D3D backbuffer. If we waited for the FBO switch until
Present is called we'd lose data in the first frame.
This commit is contained in:
Stefan Dösinger 2009-12-06 18:08:39 +01:00 committed by Alexandre Julliard
parent 548b0bcda5
commit 740e2d403e
1 changed files with 43 additions and 5 deletions
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48
dlls/wined3d/device.c
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@ -1043,6 +1043,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateSwapChain(IWineD3DDevice *iface,
BOOL displaymode_set = FALSE;
WINED3DDISPLAYMODE Mode;
const struct GlPixelFormatDesc *format_desc;
RECT client_rect;
TRACE("(%p) : Created Additional Swap Chain\n", This);
@ -1115,20 +1116,18 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateSwapChain(IWineD3DDevice *iface,
object->orig_fmt = Mode.Format;
format_desc = getFormatDescEntry(Mode.Format, &This->adapter->gl_info);
GetClientRect(object->win_handle, &client_rect);
if (pPresentationParameters->Windowed &&
((pPresentationParameters->BackBufferWidth == 0) ||
(pPresentationParameters->BackBufferHeight == 0) ||
(pPresentationParameters->BackBufferFormat == WINED3DFMT_UNKNOWN))) {
RECT Rect;
GetClientRect(object->win_handle, &Rect);
if (pPresentationParameters->BackBufferWidth == 0) {
pPresentationParameters->BackBufferWidth = Rect.right;
pPresentationParameters->BackBufferWidth = client_rect.right;
TRACE("Updating width to %d\n", pPresentationParameters->BackBufferWidth);
}
if (pPresentationParameters->BackBufferHeight == 0) {
pPresentationParameters->BackBufferHeight = Rect.bottom;
pPresentationParameters->BackBufferHeight = client_rect.bottom;
TRACE("Updating height to %d\n", pPresentationParameters->BackBufferHeight);
}
if (pPresentationParameters->BackBufferFormat == WINED3DFMT_UNKNOWN) {
@ -1137,6 +1136,23 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateSwapChain(IWineD3DDevice *iface,
}
}
if(wined3d_settings.offscreen_rendering_mode == ORM_FBO)
{
if(pPresentationParameters->BackBufferWidth != client_rect.right ||
pPresentationParameters->BackBufferHeight != client_rect.bottom)
{
TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u\n",
pPresentationParameters->BackBufferWidth,
pPresentationParameters->BackBufferHeight,
client_rect.right, client_rect.bottom);
object->render_to_fbo = TRUE;
}
else
{
TRACE("Rendering directly to GL_BACK\n");
}
}
/* Put the correct figures in the presentation parameters */
TRACE("Copying across presentation parameters\n");
object->presentParms = *pPresentationParameters;
@ -1210,6 +1226,7 @@ static HRESULT WINAPI IWineD3DDeviceImpl_CreateSwapChain(IWineD3DDevice *iface,
TRACE("Context created (HWND=%p, glContext=%p)\n",
object->win_handle, object->context[0]->glCtx);
}
object->context[0]->render_offscreen = object->render_to_fbo;
}
else
{
@ -6911,6 +6928,27 @@ static HRESULT WINAPI IWineD3DDeviceImpl_Reset(IWineD3DDevice* iface, WINED3DPRE
ERR("Resetting the stateblock failed with error 0x%08x\n", hr);
}
if(wined3d_settings.offscreen_rendering_mode == ORM_FBO)
{
RECT client_rect;
GetClientRect(swapchain->win_handle, &client_rect);
if(swapchain->presentParms.BackBufferWidth != client_rect.right ||
swapchain->presentParms.BackBufferHeight != client_rect.bottom)
{
TRACE("Rendering to FBO. Backbuffer %ux%u, window %ux%u\n",
swapchain->presentParms.BackBufferWidth,
swapchain->presentParms.BackBufferHeight,
client_rect.right, client_rect.bottom);
swapchain->render_to_fbo = TRUE;
}
else
{
TRACE("Rendering directly to GL_BACK\n");
swapchain->render_to_fbo = FALSE;
}
}
hr = create_primary_opengl_context(iface, (IWineD3DSwapChain *) swapchain);
IWineD3DSwapChain_Release((IWineD3DSwapChain *) swapchain);