/** @file Optional OpenGL/OpenGL ES contexts. Attribute lists are per-call. */
#ifndef YASL_GL_H
#define YASL_GL_H
#include "yasl/yasl.h"
#ifdef __cplusplus
extern "C" {
#endif
enum yasl_gl_attribute { YASL_GL_END, YASL_GL_MAJOR, YASL_GL_MINOR, YASL_GL_PROFILE, YASL_GL_DEBUG,
    YASL_GL_FORWARD_COMPAT, YASL_GL_RED_BITS, YASL_GL_GREEN_BITS, YASL_GL_BLUE_BITS, YASL_GL_ALPHA_BITS,
    YASL_GL_DEPTH_BITS, YASL_GL_STENCIL_BITS, YASL_GL_SAMPLES, YASL_GL_SRGB, YASL_GL_API };
enum yasl_gl_profile { YASL_GL_ANY, YASL_GL_CORE, YASL_GL_COMPATIBILITY };
enum yasl_gl_api { YASL_GL_OPENGL, YASL_GL_OPENGL_ES };
typedef void (*yasl_gl_proc)(void);
/** key/value pairs terminated by END, NULL defaults to GL3.2 core RGBA8 D24 S8.
 * share is a live GL surface or NULL. CPU flag is invalid. Context is owned by
 * the returned surface. Detach it from all rendering threads before destruction. */
YASL_API yasl_surface *yasl_gl_surface_create(const char *title, int width, int height,
    unsigned flags, const int *attributes, yasl_surface *share);
/** May run on a rendering thread. NULL detaches this thread's current context. */
YASL_API bool yasl_gl_make_current(yasl_surface *surface);
YASL_API yasl_gl_proc yasl_gl_get_proc_address(const char *name);
YASL_API bool yasl_gl_swap_interval(yasl_surface *surface, int interval);
YASL_API bool yasl_gl_swap_buffers(yasl_surface *surface);
#ifdef __cplusplus
}
#endif
#endif