diff options
| -rw-r--r-- | include/hardware/hardware.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/hardware/hardware.h b/include/hardware/hardware.h index 598ec2c..d9cc0dc 100644 --- a/include/hardware/hardware.h +++ b/include/hardware/hardware.h @@ -136,10 +136,12 @@ enum { /* * 0x100 - 0x1FF * - * This range is reserved for HAL implementations. OEMs can use - * any value in this range to communicate formats between their HAL - * modules - * + * This range is reserved for pixel formats that are specific to the HAL + * implementation. Implementations can use any value in this range to + * communicate video pixel formats between their HAL modules. These formats + * must not have an alpha channel. Additionally, an EGLimage created from a + * gralloc buffer of one of these formats must be supported for use with the + * GL_OES_EGL_image_external OpenGL ES extension. */ /* |