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 drm bo.
Signed-off-by: Chuanbo Weng <chuanbo.w...@intel.com> --- include/GL/internal/dri_interface.h | 2 ++ src/egl/drivers/dri2/egl_dri2.c | 3 ++- src/mesa/drivers/dri/i965/intel_screen.c | 3 +++ 3 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/GL/internal/dri_interface.h b/include/GL/internal/dri_interface.h index 1c73cce..3d15596 100644 --- a/include/GL/internal/dri_interface.h +++ b/include/GL/internal/dri_interface.h @@ -1208,6 +1208,8 @@ struct __DRIdri2ExtensionRec { #define __DRI_IMAGE_ATTRIB_FOURCC 0x2008 /* available in versions 11 */ #define __DRI_IMAGE_ATTRIB_NUM_PLANES 0x2009 /* available in versions 11 */ +#define __DRI_IMAGE_ATTRIB_OFFSET 0x200A + enum __DRIYUVColorSpace { __DRI_YUV_COLOR_SPACE_UNDEFINED = 0, __DRI_YUV_COLOR_SPACE_ITU_REC601 = 0x327F, diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c index 3205a36..abedafa 100644 --- a/src/egl/drivers/dri2/egl_dri2.c +++ b/src/egl/drivers/dri2/egl_dri2.c @@ -2267,7 +2267,8 @@ dri2_export_dma_buf_image_mesa(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *im __DRI_IMAGE_ATTRIB_STRIDE, strides); if (offsets) - offsets[0] = 0; + dri2_dpy->image->queryImage(dri2_img->dri_image, + __DRI_IMAGE_ATTRIB_OFFSET, offsets); return EGL_TRUE; } diff --git a/src/mesa/drivers/dri/i965/intel_screen.c b/src/mesa/drivers/dri/i965/intel_screen.c index ae51c40..d20e463 100644 --- a/src/mesa/drivers/dri/i965/intel_screen.c +++ b/src/mesa/drivers/dri/i965/intel_screen.c @@ -613,6 +613,9 @@ intel_query_image(__DRIimage *image, int attrib, int *value) case __DRI_IMAGE_ATTRIB_NUM_PLANES: *value = 1; return true; + case __DRI_IMAGE_ATTRIB_OFFSET: + *value = image->offset; + return true; default: return false; -- 1.9.1 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev