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wined3d: Properly handle the difference between GL_BACK and GL_FRONT for onscreen surfaces.

This commit is contained in:
H. Verbeet 2007-04-16 21:20:56 +02:00 committed by Alexandre Julliard
parent 5fddfd5bbc
commit deeeda6802
1 changed files with 36 additions and 8 deletions
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44
dlls/wined3d/device.c
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@ -5280,23 +5280,24 @@ void apply_fbo_state(IWineD3DDevice *iface) {
check_fbo_status(iface);
}
static BOOL is_onscreen(IWineD3DSurface *target) {
static IWineD3DSwapChain *get_swapchain(IWineD3DSurface *target) {
HRESULT hr;
void *tmp;
IWineD3DSwapChain *swapchain;
hr = IWineD3DSurface_GetContainer(target, &IID_IWineD3DSwapChain, &tmp);
hr = IWineD3DSurface_GetContainer(target, &IID_IWineD3DSwapChain, (void **)&swapchain);
if (SUCCEEDED(hr)) {
IWineD3DSwapChain_Release((IUnknown *)tmp);
return TRUE;
IWineD3DSwapChain_Release((IUnknown *)swapchain);
return swapchain;
}
return FALSE;
return NULL;
}
void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const WINED3DRECT *src_rect,
IWineD3DSurface *dst_surface, const WINED3DRECT *dst_rect, const WINED3DTEXTUREFILTERTYPE filter, BOOL flip) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
GLbitfield mask = GL_COLOR_BUFFER_BIT; /* TODO: Support blitting depth/stencil surfaces */
IWineD3DSwapChain *src_swapchain, *dst_swapchain;
GLenum gl_filter;
TRACE("(%p) : src_surface %p, src_rect %p, dst_surface %p, dst_rect %p, filter %s (0x%08x), flip %u\n",
@ -5321,25 +5322,45 @@ void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const
}
/* Attach src surface to src fbo */
if (is_onscreen(src_surface)) {
src_swapchain = get_swapchain(src_surface);
if (src_swapchain) {
GLenum buffer;
TRACE("Source surface %p is onscreen\n", src_surface);
GL_EXTCALL(glBindFramebufferEXT(GL_READ_FRAMEBUFFER_EXT, 0));
buffer = surface_get_gl_buffer(src_surface, src_swapchain);
glReadBuffer(buffer);
checkGLcall("glReadBuffer()");
flip = !flip;
} else {
TRACE("Source surface %p is offscreen\n", src_surface);
bind_fbo(iface, GL_READ_FRAMEBUFFER_EXT, &This->src_fbo);
attach_surface_fbo(This, GL_READ_FRAMEBUFFER_EXT, 0, src_surface);
glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
checkGLcall("glReadBuffer()");
}
/* Attach dst surface to dst fbo */
if (is_onscreen(dst_surface)) {
dst_swapchain = get_swapchain(dst_surface);
if (dst_swapchain) {
GLenum buffer;
TRACE("Destination surface %p is onscreen\n", dst_surface);
GL_EXTCALL(glBindFramebufferEXT(GL_DRAW_FRAMEBUFFER_EXT, 0));
buffer = surface_get_gl_buffer(dst_surface, dst_swapchain);
glDrawBuffer(buffer);
checkGLcall("glDrawBuffer()");
flip = !flip;
} else {
TRACE("Destination surface %p is offscreen\n", dst_surface);
bind_fbo(iface, GL_DRAW_FRAMEBUFFER_EXT, &This->dst_fbo);
attach_surface_fbo(This, GL_DRAW_FRAMEBUFFER_EXT, 0, dst_surface);
glDrawBuffer(GL_COLOR_ATTACHMENT0_EXT);
checkGLcall("glDrawBuffer()");
}
if (flip) {
@ -5356,6 +5377,13 @@ void stretch_rect_fbo(IWineD3DDevice *iface, IWineD3DSurface *src_surface, const
GL_EXTCALL(glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0));
checkGLcall("glBindFramebuffer()");
}
/* If we switched from GL_BACK to GL_FRONT above, we need to switch back here */
if (dst_swapchain && dst_surface == ((IWineD3DSwapChainImpl *)dst_swapchain)->frontBuffer
&& ((IWineD3DSwapChainImpl *)dst_swapchain)->backBuffer) {
glDrawBuffer(GL_BACK);
checkGLcall("glDrawBuffer()");
}
}
static HRESULT WINAPI IWineD3DDeviceImpl_SetRenderTarget(IWineD3DDevice *iface, DWORD RenderTargetIndex, IWineD3DSurface *pRenderTarget) {