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// SPDX-License-Identifier: Unlicense OR MIT
// +build linux freebsd openbsd
package egl
/*
#cgo linux,!android pkg-config: egl
#cgo freebsd openbsd android LDFLAGS: -lEGL
#cgo freebsd CFLAGS: -I/usr/local/include
#cgo freebsd LDFLAGS: -L/usr/local/lib
#cgo openbsd CFLAGS: -I/usr/X11R6/include
#cgo openbsd LDFLAGS: -L/usr/X11R6/lib
#cgo CFLAGS: -DMESA_EGL_NO_X11_HEADERS
#include <EGL/egl.h>
#include <EGL/eglext.h>
*/
import "C"
type (
_EGLint = C.EGLint
_EGLDisplay = C.EGLDisplay
_EGLConfig = C.EGLConfig
_EGLContext = C.EGLContext
_EGLSurface = C.EGLSurface
NativeDisplayType = C.EGLNativeDisplayType
NativeWindowType = C.EGLNativeWindowType
)
func loadEGL() error {
return nil
}
func eglChooseConfig(disp _EGLDisplay, attribs []_EGLint) (_EGLConfig, bool) {
var cfg C.EGLConfig
var ncfg C.EGLint
if C.eglChooseConfig(disp, &attribs[0], &cfg, 1, &ncfg) != C.EGL_TRUE {
return nilEGLConfig, false
}
return _EGLConfig(cfg), true
}
func eglCreateContext(disp _EGLDisplay, cfg _EGLConfig, shareCtx _EGLContext, attribs []_EGLint) _EGLContext {
ctx := C.eglCreateContext(disp, cfg, shareCtx, &attribs[0])
return _EGLContext(ctx)
}
func eglDestroySurface(disp _EGLDisplay, surf _EGLSurface) bool {
return C.eglDestroySurface(disp, surf) == C.EGL_TRUE
}
func eglDestroyContext(disp _EGLDisplay, ctx _EGLContext) bool {
return C.eglDestroyContext(disp, ctx) == C.EGL_TRUE
}
func eglGetConfigAttrib(disp _EGLDisplay, cfg _EGLConfig, attr _EGLint) (_EGLint, bool) {
var val _EGLint
ret := C.eglGetConfigAttrib(disp, cfg, attr, &val)
return val, ret == C.EGL_TRUE
}
func eglGetError() _EGLint {
return C.eglGetError()
}
func eglInitialize(disp _EGLDisplay) (_EGLint, _EGLint, bool) {
var maj, min _EGLint
ret := C.eglInitialize(disp, &maj, &min)
return maj, min, ret == C.EGL_TRUE
}
func eglMakeCurrent(disp _EGLDisplay, draw, read _EGLSurface, ctx _EGLContext) bool {
return C.eglMakeCurrent(disp, draw, read, ctx) == C.EGL_TRUE
}
func eglReleaseThread() bool {
return C.eglReleaseThread() == C.EGL_TRUE
}
func eglSwapBuffers(disp _EGLDisplay, surf _EGLSurface) bool {
return C.eglSwapBuffers(disp, surf) == C.EGL_TRUE
}
func eglSwapInterval(disp _EGLDisplay, interval _EGLint) bool {
return C.eglSwapInterval(disp, interval) == C.EGL_TRUE
}
func eglTerminate(disp _EGLDisplay) bool {
return C.eglTerminate(disp) == C.EGL_TRUE
}
func eglQueryString(disp _EGLDisplay, name _EGLint) string {
return C.GoString(C.eglQueryString(disp, name))
}
func eglGetDisplay(disp NativeDisplayType) _EGLDisplay {
return C.eglGetDisplay(disp)
}
func eglCreateWindowSurface(disp _EGLDisplay, conf _EGLConfig, win NativeWindowType, attribs []_EGLint) _EGLSurface {
eglSurf := C.eglCreateWindowSurface(disp, conf, win, &attribs[0])
return eglSurf
}
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