Re: [PATCH 1/5] wined3d: Use the correct texture coordinates in swapchain_blit() in the non-glBlitFramebuffer, NP2 case.

[Matteo Bruni]

2015-07-07 16:58 GMT+02:00 Henri Verbeet :
> On 6 July 2015 at 22:20, Matteo Bruni  wrote:
> > diff --git a/dlls/wined3d/swapchain.c b/dlls/wined3d/swapchain.c
> > index 146f5d6..141abc2 100644
> > --- a/dlls/wined3d/swapchain.c
> > +++ b/dlls/wined3d/swapchain.c
> > @@ -280,21 +280,21 @@ HRESULT CDECL wined3d_swapchain_get_gamma_ramp(const struct wined3d_swapchain *s
> >
> > /* A GL context is provided by the caller */
> >  static void swapchain_blit(const struct wined3d_swapchain *swapchain,
> > -
> >    struct wined3d_context *context, const RECT *src_rect, const RECT *dst_rect)
> > -
> >    struct wined3d_context *context, unsigned int src_w, unsigned int src_h,
> > -
> >    const RECT *src_rect, const RECT *dst_rect)
> >
> > {
> >      struct wined3d_surface *backbuffer = surface_from_resource(
> >              wined3d_texture_get_sub_resource(swapchain->back_buffers[0], 0));
> > -
> >
> > UINT src_w = src_rect->right - src_rect->left;
> > -
> >
> > UINT src_h = src_rect->bottom - src_rect->top;
> > GLenum gl_filter;
> > const struct wined3d_gl_info *gl_info = context->gl_info;
> > RECT win_rect;
> > UINT win_h;
> > -
> >
> > TRACE("swapchain %p, context %p, src_rect %s, dst_rect %s.\n",
> > -
> >        swapchain, context, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
> > - TRACE("swapchain %p, context %p, src_w %u, src_h %u, src_rect %s, dst_rect %s.\n",
> > -
> >        swapchain, context, src_w, src_h, wine_dbgstr_rect(src_rect), wine_dbgstr_rect(dst_rect));
> >
> > - if (src_w == dst_rect->right - dst_rect->left && src_h == dst_rect->bottom - dst_rect->top)
> > - if (src_rect->right - src_rect->left == dst_rect->right - dst_rect->left
> > -
> >        && src_rect->bottom - src_rect->top == dst_rect->bottom - dst_rect->top)
> >    gl_filter = GL_NEAREST;
> > else
> >        gl_filter = GL_LINEAR;
> >
> > @@ -528,7 +528,7 @@ static void swapchain_gl_present(struct wined3d_swapchain *swapchain, const RECT
> >          if (swapchain->desc.swap_effect == WINED3D_SWAP_EFFECT_FLIP && !once++)
> >              FIXME("WINED3D_SWAP_EFFECT_FLIP not implemented.\n");
> > -
> >    swapchain_blit(swapchain, context, &src_rect, &dst_rect);
> > -
> >    swapchain_blit(swapchain, context, back_buffer->pow2Width, back_buffer->pow2Height, &src_rect, &dst_rect);
> >
> > }
> >
> > if (swapchain->num_contexts > 1)
>
> I may be missing something subtle here, but wouldn't it be better to
> just replace src_w/wrc_h with
> backbuffer->pow2Width/backbuffer->powe2Height in the "if
> (backbuffer->container->flags & WINED3D_TEXTURE_NORMALIZED_COORDS)"
> block that scales the texture coordinates?

Yes... I guess that's what happens when you modify your patch a number
of times without stopping a moment to see the whole picture.