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wined3d: Explicitly handle 0 rt_count right at the start of context_apply_draw_buffers(). 

It's trivial, and allows the rest of the code to assume at least 1 render
target is present.
This commit is contained in:
Henri Verbeet 2011-04-08 20:22:49 +02:00 committed by Alexandre Julliard
parent 6eed4c4241
commit bf99c0248f
1 changed files with 9 additions and 2 deletions
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11
dlls/wined3d/context.c
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@ -1915,7 +1915,14 @@ static struct wined3d_context *FindContext(IWineD3DDeviceImpl *This, IWineD3DSur
/* Context activation is done by the caller. */
static void context_apply_draw_buffers(struct wined3d_context *context, UINT rt_count, IWineD3DSurfaceImpl **rts)
{
if (rt_count && !surface_is_offscreen(rts[0]))
if (!rt_count)
{
ENTER_GL();
glDrawBuffer(GL_NONE);
checkGLcall("glDrawBuffer()");
LEAVE_GL();
}
else if (!surface_is_offscreen(rts[0]))
{
ENTER_GL();
glDrawBuffer(surface_get_gl_buffer(rts[0]));
@ -1951,7 +1958,7 @@ static void context_apply_draw_buffers(struct wined3d_context *context, UINT rt_
}
else
{
glDrawBuffer(rt_count ? rts[0]->resource.device->offscreenBuffer : GL_NONE);
glDrawBuffer(rts[0]->resource.device->offscreenBuffer);
checkGLcall("glDrawBuffer()");
}
LEAVE_GL();