/
context.go
52 lines (42 loc) · 987 Bytes
/
context.go
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package egl
/*
#cgo pkg-config: egl
#include <EGL/egl.h>
const EGLContext kNoContext = EGL_NO_CONTEXT;
*/
import "C"
var noContext C.EGLContext = C.kNoContext
type Context struct {
eglContext C.EGLContext
Display *Display
}
func destroyContext(context *Context) {
// fmt.Printf("destroying context == %v\n", context)
context.Destroy()
}
func (context *Context) Destroy() error {
success := C.eglDestroyContext(context.Display.eglDisplay, context.eglContext)
if success == C.EGL_FALSE {
return getError()
}
return nil
}
func (context *Context) MakeCurrent(draw *Surface, read *Surface) error {
var eglDraw C.EGLSurface
if draw == nil {
eglDraw = noSurface
} else {
eglDraw = draw.eglSurface
}
var eglRead C.EGLSurface
if read == nil {
eglRead = noSurface
} else {
eglRead = read.eglSurface
}
success := C.eglMakeCurrent(context.Display.eglDisplay, eglDraw, eglRead, context.eglContext)
if success == C.EGL_FALSE {
return getError()
}
return nil
}