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i965: fix dma_buf import with non-zero offset.

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Fix eglCreateImage() from a packed dma_buf surface with a non-zero offset
to pixels data. In particular, this fixes support for planar YUV surfaces
when they are individually mapped on a per-plane basis, i.e. when the
OES_EGL_image_external is not used and user application wants to use its
own shader code for composition, or processing on individual plane (OCL).

Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Gwenole Beauchesne 2014-03-10 16:55:21 +01:00
parent 1c29068074
commit 3bd65dc8a1
1 changed files with 9 additions and 0 deletions
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9
src/mesa/drivers/dri/i965/intel_screen.c
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@ -646,6 +646,7 @@ intel_create_image_from_fds(__DRIscreen *screen,
{
struct intel_screen *intelScreen = screen->driverPrivate;
struct intel_image_format *f;
uint32_t mask_x, mask_y;
__DRIimage *image;
int i, index;
@ -679,6 +680,14 @@ intel_create_image_from_fds(__DRIscreen *screen,
image->strides[index] = strides[index];
}
if (f->nplanes == 1) {
image->offset = image->offsets[0];
intel_region_get_tile_masks(image->region, &mask_x, &mask_y, false);
if (image->offset & mask_x)
_mesa_warning(NULL,
"intel_create_image_from_fds: offset not on tile boundary");
}
intel_setup_image_from_dimensions(image);
return image;