egl: return corresponding offset of EGLImage instead of 0.
The offset should not always be 0. For example, if EGLImage is
created from a 2D texture with EGL_GL_TEXTURE_LEVEL=1, then the
offset should be the actual start of miplevel 1 in bo.
v2: Add version check of __DRIimageExtension implementation
(Suggested by Axel Davy).
v3: Don't add version check of __DRIimageExtension implementation.
Set the offset only when queryImage() succeeds. (Suggested by Emil
Velikov)
Signed-off-by: Chuanbo Weng <chuanbo.weng@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
[Emil Velikov: coding style fixes]
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index bbc457c..8e376e3 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -2259,8 +2259,15 @@
dri2_dpy->image->queryImage(dri2_img->dri_image,
__DRI_IMAGE_ATTRIB_STRIDE, strides);
- if (offsets)
- offsets[0] = 0;
+ if (offsets) {
+ int img_offset;
+ bool ret = dri2_dpy->image->queryImage(dri2_img->dri_image,
+ __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
+ if (ret)
+ offsets[0] = img_offset;
+ else
+ offsets[0] = 0;
+ }
return EGL_TRUE;
}