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/*
* Copyright (c) 2017 Rob Clark <rclark@redhat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sub license,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef _COMMON_H
#define _COMMON_H
#define GL_GLEXT_PROTOTYPES 1
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <gbm.h>
#include <drm/drm_fourcc.h>
struct gbm {
struct gbm_device *dev;
struct gbm_surface *surface;
int width, height;
};
const struct gbm * init_gbm(int drm_fd, int w, int h);
struct egl {
EGLDisplay display;
EGLConfig config;
EGLContext context;
EGLSurface surface;
PFNEGLGETPLATFORMDISPLAYEXTPROC eglGetPlatformDisplayEXT;
PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
void (*draw)(unsigned i);
};
int init_egl(struct egl *egl, const struct gbm *gbm);
int create_program(const char *vs_src, const char *fs_src);
int link_program(unsigned program);
enum mode {
SMOOTH, /* smooth-shaded */
RGBA, /* single-plane RGBA */
NV12_2IMG, /* NV12, handled as two textures and converted to RGB in shader */
NV12_1IMG, /* NV12, imported as planar YUV eglimg */
};
const struct egl * init_cube_smooth(const struct gbm *gbm);
const struct egl * init_cube_tex(const struct gbm *gbm, enum mode mode);
#endif /* _COMMON_H */
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