diff options
Diffstat (limited to 'mesalib/docs/specs/MESA_image_dma_buf_export.txt')
| -rw-r--r-- | mesalib/docs/specs/MESA_image_dma_buf_export.txt | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/mesalib/docs/specs/MESA_image_dma_buf_export.txt b/mesalib/docs/specs/MESA_image_dma_buf_export.txt index c3794ee36..cc9497e43 100644 --- a/mesalib/docs/specs/MESA_image_dma_buf_export.txt +++ b/mesalib/docs/specs/MESA_image_dma_buf_export.txt @@ -16,19 +16,19 @@ Contact Status - Proposal + Complete, shipping. Version - Version 2, Mar 30, 2015 + Version 3, May 5, 2015 Number - EGL Extension #not assigned + EGL Extension #87 Dependencies - Reguires EGL 1.4 or later. This extension is written against the + Requires EGL 1.4 or later. This extension is written against the wording of the EGL 1.4 specification. EGL_KHR_base_image is required. @@ -43,7 +43,8 @@ Overview file descriptor or multiple file descriptors, in the case of multi-plane YUV image, from an EGLImage. - It is designed to provide the complementary functionality to EGL_EXT_image_dma_buf_import. + It is designed to provide the complementary functionality to + EGL_EXT_image_dma_buf_import. IP Status @@ -51,10 +52,12 @@ IP Status New Types - This is a 64 bit unsigned integer. - - typedef khronos_uint64_t EGLuint64MESA; + This extension uses the 64-bit unsigned integer type EGLuint64KHR + first introduced by the EGL_KHR_stream extension, but does not + depend on that extension. The typedef may be reproduced separately + for this extension, if not already present in eglext.h. + typedef khronos_uint64_t EGLuint64KHR; New Procedures and Functions @@ -62,7 +65,7 @@ New Procedures and Functions EGLImageKHR image, int *fourcc, int *num_planes, - EGLuint64MESA *modifiers); + EGLuint64KHR *modifiers); EGLBoolean eglExportDMABUFImageMESA(EGLDisplay dpy, EGLImageKHR image, @@ -89,7 +92,7 @@ Additions to the EGL 1.4 Specification: EGLImageKHR image, int *fourcc, int *num_planes, - EGLuint64MESA *modifiers); + EGLuint64KHR *modifiers); is used to retrieve the pixel format of the buffer, as specified by drm_fourcc.h, the number of planes in the image and the Linux @@ -135,6 +138,8 @@ to dup the fd extra times to make the interface sane. Revision History + Version 3, May, 2015 + Just use the KHR 64-bit type. Version 2, March, 2015 Add a query interface (Dave Airlie) Version 1, June 3, 2014 |