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glamor-egl: Add gbm device support. 

Latest mesa EGL implementation move to use gbm to manage/allocate buffers.
To keep backward compatibility, we still try to use eglGetDRMDisplayMESA
firstly, and if failed, then turn to use eglGetDisplay(gbm).

Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>
This commit is contained in:
Zhigang Gong 2011-09-20 15:14:49 +08:00
parent 2d4d40a4b5
commit 1590da0011
1 changed files with 17 additions and 1 deletions
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18
glamor/glamor_egl.c
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@ -40,6 +40,8 @@
#define EGL_EGLEXT_PROTOTYPES
#define EGL_DISPLAY_NO_X_MESA
#include <gbm.h>
#if GLAMOR_GLES2
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
@ -79,6 +81,7 @@ struct glamor_egl_screen_private {
int fd;
int front_buffer_handle;
int cpp;
struct gbm_device *gbm;
PFNEGLCREATEDRMIMAGEMESA egl_create_drm_image_mesa;
PFNEGLEXPORTDRMIMAGEMESA egl_export_drm_image_mesa;
@ -184,6 +187,8 @@ glamor_create_egl_screen_image(ScreenPtr screen, int handle, int stride)
/*
* This function will be called from the dri buffer allocation.
* It is somehow very familiar with the create screen image.
* XXX the egl image here is not stored at any data structure.
* Does this cause a leak problem?
*/
Bool
glamor_create_egl_pixmap_image(PixmapPtr pixmap, int handle, int stride)
@ -271,7 +276,18 @@ Bool glamor_egl_init(ScrnInfoPtr scrn, int fd)
scrn->privates[xf86GlamorEGLPrivateIndex].ptr = glamor_egl;
glamor_egl->fd = fd;
glamor_egl->display = eglGetDRMDisplayMESA(glamor_egl->fd);
glamor_egl->display = eglGetDRMDisplayMESA(glamor_egl->fd);
if (glamor_egl->display == EGL_NO_DISPLAY) {
glamor_egl->gbm = gbm_create_device(glamor_egl->fd);
if (glamor_egl->gbm == NULL) {
ErrorF("couldn't get display device\n");
return FALSE;
}
}
glamor_egl->display = eglGetDisplay(glamor_egl->gbm);
#ifndef GLAMOR_GLES2
eglBindAPI(EGL_OPENGL_API);
#else