From: Ben Widawsky <b...@bwidawsk.net>
v2: move is_aux into if block. (Jason)
Use else block instead of goto (Jason)
v3: Fix up logic for is_aux (Ben)
Fix up size calculations and add FIXME (Ben)
v4 (Jason Ekstrand):
Use the aux_pitch in the image instead of calculating it
Signed-off-by: Ben Widawsky <b...@bwidawsk.net>
Acked-by: Daniel Stone <dani...@collabora.com>
Reviewed-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
---
src/mesa/drivers/dri/i965/intel_screen.c | 54 +++++++++++++++++++-------------
1 file changed, 33 insertions(+), 21 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
b/src/mesa/drivers/dri/i965/intel_screen.c
index 66fd99a..323cd5a 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -757,7 +757,7 @@ intel_query_image(__DRIimage *image, int attrib, int *value)
case __DRI_IMAGE_ATTRIB_FOURCC:
return intel_lookup_fourcc(image->dri_format, value);
case __DRI_IMAGE_ATTRIB_NUM_PLANES:
- *value = 1;
+ *value = image->aux_offset ? 2 : 1;
return true;
case __DRI_IMAGE_ATTRIB_OFFSET:
*value = image->offset;
@@ -1149,31 +1149,43 @@ intel_from_planar(__DRIimage *parent, int plane, void
*loaderPrivate)
struct intel_image_format *f;
__DRIimage *image;
- if (parent == NULL || parent->planar_format == NULL)
- return NULL;
-
- f = parent->planar_format;
-
- if (plane >= f->nplanes)
- return NULL;
-
- width = parent->width >> f->planes[plane].width_shift;
- height = parent->height >> f->planes[plane].height_shift;
- dri_format = f->planes[plane].dri_format;
- index = f->planes[plane].buffer_index;
- offset = parent->offsets[index];
- stride = parent->strides[index];
+ if (parent == NULL) {
+ return NULL;
+ } else if (parent->planar_format == NULL) {
+ const bool is_aux = parent->aux_offset && plane == 1;
+ if (!is_aux)
+ return NULL;
+
+ width = parent->width;
+ height = parent->height;
+ dri_format = parent->dri_format;
+ offset = parent->aux_offset;
+ stride = parent->aux_pitch;
+ } else {
+ /* Planar formats don't support aux buffers/images */
+ assert(!parent->aux_offset);
+ f = parent->planar_format;
+
+ if (plane >= f->nplanes)
+ return NULL;
+
+ width = parent->width >> f->planes[plane].width_shift;
+ height = parent->height >> f->planes[plane].height_shift;
+ dri_format = f->planes[plane].dri_format;
+ index = f->planes[plane].buffer_index;
+ offset = parent->offsets[index];
+ stride = parent->strides[index];
+
+ if (offset + height * stride > parent->bo->size) {
+ _mesa_warning(NULL, "intel_create_sub_image: subimage out of
bounds");
+ return NULL;
+ }
+ }
image = intel_allocate_image(parent->screen, dri_format, loaderPrivate);
if (image == NULL)
return NULL;
- if (offset + height * stride > parent->bo->size) {
- _mesa_warning(NULL, "intel_create_sub_image: subimage out of bounds");
- free(image);
- return NULL;
- }
-
image->bo = parent->bo;
brw_bo_reference(parent->bo);
image->modifier = parent->modifier;
--
2.5.0.400.gff86faf
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