On Tue, Sep 18, 2012 at 5:35 PM, Matt Turner <matts...@gmail.com> wrote:
> On Tue, Sep 18, 2012 at 8:10 AM, Robert Bragg <rob...@sixbynine.org> wrote:
>> From: Robert Bragg <rob...@linux.intel.com>
>>
>> The EGL_NOK_swap_region2 spec states that the rectangles are specified
>> with a bottom-left origin within a surface coordinate space also with a
>> bottom left origin, so this patch ensures the rectangles are flipped
>> before passing them on to dri2_copy_region.
>> ---
>> src/egl/drivers/dri2/platform_x11.c | 3 +--
>> 1 files changed, 1 insertions(+), 2 deletions(-)
>>
>> diff --git a/src/egl/drivers/dri2/platform_x11.c
>> b/src/egl/drivers/dri2/platform_x11.c
>> index 2533774..44e4373 100644
>> --- a/src/egl/drivers/dri2/platform_x11.c
>> +++ b/src/egl/drivers/dri2/platform_x11.c
>> @@ -777,10 +777,9 @@ dri2_swap_buffers_region(_EGLDriver *drv, _EGLDisplay
>> *disp, _EGLSurface *draw,
>> if (numRects > (int)ARRAY_SIZE(rectangles))
>> return dri2_copy_region(drv, disp, draw, dri2_surf->region);
>>
>> - /* FIXME: Invert y here? */
>> for (i = 0; i < numRects; i++) {
>> rectangles[i].x = rects[i * 4];
>> - rectangles[i].y = rects[i * 4 + 1];
>> + rectangles[i].y = dri2_surf->base.Height - rects[i * 4 + 1] - rects[i
>> * 4 + 3];
>> rectangles[i].width = rects[i * 4 + 2];
>> rectangles[i].height = rects[i * 4 + 3];
>> }
>> --
>> 1.7.7.6
>>
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>> mesa-dev@lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
> Does this fix the egl-nok-texture-from-pixmap piglit test?
>
> I notice that when I run it it says:
>
> EGL_Y_INVERTED_NOK: FALSE
> Probe at (50,50)
> Expected: 0.500000 0.000000 0.500000 1.000000
> Observed: 0.000000 0.000000 0.000000 1.000000
No, I'm afraid it doesn't interact with this so this extension and
this test continue to fail for me with or without this patch.
kind regards,
- Robert
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