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egl-helpers: add functions for render nodes and dma-buf passing

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Adds helpers to open a drm render node and create a opengl
context for it.  Also add a helper to export a texture as
dma-buf.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Gerd Hoffmann 2015-10-12 12:03:49 +02:00
parent 014cb152b8
commit 1e3165980c
2 changed files with 142 additions and 0 deletions
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13
include/ui/egl-helpers.h
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@ -3,10 +3,23 @@
#include <epoxy/gl.h>
#include <epoxy/egl.h>
#include <gbm.h>
extern EGLDisplay *qemu_egl_display;
extern EGLConfig qemu_egl_config;
#ifdef CONFIG_OPENGL_DMABUF
extern int qemu_egl_rn_fd;
extern struct gbm_device *qemu_egl_rn_gbm_dev;
extern EGLContext qemu_egl_rn_ctx;
int qemu_egl_rendernode_open(void);
int egl_rendernode_init(void);
int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc);
#endif
EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, Window win);
int qemu_egl_init_dpy(EGLNativeDisplayType dpy, bool gles, bool debug);