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).
Signed-off-by: Chuanbo Weng <chuanbo.w...@intel.com>
---
src/egl/drivers/dri2/egl_dri2.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index 859612f..c529e55 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -2249,6 +2249,7 @@ dri2_export_dma_buf_image_mesa(_EGLDriver *drv,
_EGLDisplay *disp, _EGLImage *im
struct dri2_egl_image *dri2_img = dri2_egl_image(img);
(void) drv;
+ EGLint img_offset = 0;
/* rework later to provide multiple fds/strides/offsets */
if (fds)
@@ -2259,8 +2260,14 @@ dri2_export_dma_buf_image_mesa(_EGLDriver *drv,
_EGLDisplay *disp, _EGLImage *im
dri2_dpy->image->queryImage(dri2_img->dri_image,
__DRI_IMAGE_ATTRIB_STRIDE, strides);
- if (offsets)
+ if (offsets){
offsets[0] = 0;
+ if(dri2_dpy->image->base.version >= 13){
+ dri2_dpy->image->queryImage(dri2_img->dri_image,
+ __DRI_IMAGE_ATTRIB_OFFSET, &img_offset);
+ offsets[0] = img_offset;
+ }
+ }
return EGL_TRUE;
}
--
1.9.1
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