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wined3d: Add a function to determine if a surface is the front or the backbuffer for a swapchain, and return the corresponding GLenum.
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@ -287,6 +287,23 @@ void surface_set_compatible_renderbuffer(IWineD3DSurface *iface, unsigned int wi
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checkGLcall("set_compatible_renderbuffer");
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}
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GLenum surface_get_gl_buffer(IWineD3DSurface *iface, IWineD3DSwapChain *swapchain) {
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IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
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IWineD3DSwapChainImpl *swapchain_impl = (IWineD3DSwapChainImpl *)swapchain;
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TRACE("(%p) : swapchain %p\n", This, swapchain);
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if (swapchain_impl->backBuffer && swapchain_impl->backBuffer[0] == iface) {
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TRACE("Returning GL_BACK\n");
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return GL_BACK;
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} else if (swapchain_impl->frontBuffer == iface) {
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TRACE("Returning GL_FRONT\n");
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return GL_FRONT;
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}
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FIXME("Higher back buffer, returning GL_BACK\n");
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return GL_BACK;
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}
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/* *******************************************
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IWineD3DSurface IUnknown parts follow
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@ -1412,6 +1412,7 @@ void set_tex_op_nvrc(IWineD3DDevice *iface, BOOL is_alpha, int stage, WINED3DT
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void set_texture_matrix(const float *smat, DWORD flags, BOOL calculatedCoords);
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void surface_set_compatible_renderbuffer(IWineD3DSurface *iface, unsigned int width, unsigned int height);
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GLenum surface_get_gl_buffer(IWineD3DSurface *iface, IWineD3DSwapChain *swapchain);
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int D3DFmtMakeGlCfg(WINED3DFORMAT BackBufferFormat, WINED3DFORMAT StencilBufferFormat, int *attribs, int* nAttribs, BOOL alternate);
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