6fafc26014
Add a collection of egl_fb_*() helper functions to manage and use opengl framebuffers, which is a common pattern in UI code with opengl support. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Message-id: 20170614084149.31314-2-kraxel@redhat.com
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#ifndef EGL_HELPERS_H
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#define EGL_HELPERS_H
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#include <epoxy/gl.h>
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#include <epoxy/egl.h>
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#include <gbm.h>
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extern EGLDisplay *qemu_egl_display;
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extern EGLConfig qemu_egl_config;
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typedef struct egl_fb {
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int width;
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int height;
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GLuint texture;
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GLuint framebuffer;
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bool delete_texture;
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} egl_fb;
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void egl_fb_destroy(egl_fb *fb);
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void egl_fb_setup_default(egl_fb *fb, int width, int height);
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void egl_fb_create_for_tex(egl_fb *fb, int width, int height, GLuint texture);
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void egl_fb_create_new_tex(egl_fb *fb, int width, int height);
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void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip);
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void egl_fb_read(void *dst, egl_fb *src);
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#ifdef CONFIG_OPENGL_DMABUF
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extern int qemu_egl_rn_fd;
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extern struct gbm_device *qemu_egl_rn_gbm_dev;
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extern EGLContext qemu_egl_rn_ctx;
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int egl_rendernode_init(const char *rendernode);
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int egl_get_fd_for_texture(uint32_t tex_id, EGLint *stride, EGLint *fourcc);
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#endif
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EGLSurface qemu_egl_init_surface_x11(EGLContext ectx, Window win);
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int qemu_egl_init_dpy_x11(EGLNativeDisplayType dpy);
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int qemu_egl_init_dpy_mesa(EGLNativeDisplayType dpy);
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EGLContext qemu_egl_init_ctx(void);
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#endif /* EGL_HELPERS_H */
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