forked from joejulian/gio
Elias Naur
91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package app
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/*
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#cgo LDFLAGS: -lEGL
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES2/gl2.h>
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#include <GLES3/gl3.h>
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*/
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import "C"
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type (
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_EGLint = C.EGLint
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_EGLDisplay = C.EGLDisplay
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_EGLConfig = C.EGLConfig
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_EGLContext = C.EGLContext
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_EGLSurface = C.EGLSurface
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)
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var (
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nilEGLSurface _EGLSurface
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nilEGLContext _EGLContext
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nilEGLConfig _EGLConfig
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nilEGLNativeWindowType _EGLNativeWindowType
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)
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func eglChooseConfig(disp _EGLDisplay, attribs []_EGLint) (_EGLConfig, bool) {
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var cfg C.EGLConfig
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var ncfg C.EGLint
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if C.eglChooseConfig(disp, &attribs[0], &cfg, 1, &ncfg) != C.EGL_TRUE {
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return nil, false
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}
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return _EGLConfig(cfg), true
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}
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func eglCreateContext(disp _EGLDisplay, cfg _EGLConfig, shareCtx _EGLContext, attribs []_EGLint) _EGLContext {
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ctx := C.eglCreateContext(disp, cfg, shareCtx, &attribs[0])
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return _EGLContext(ctx)
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}
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func eglDestroySurface(disp _EGLDisplay, surf _EGLSurface) bool {
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return C.eglDestroySurface(disp, surf) == C.EGL_TRUE
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}
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func eglDestroyContext(disp _EGLDisplay, ctx _EGLContext) bool {
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return C.eglDestroyContext(disp, ctx) == C.EGL_TRUE
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}
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func eglGetConfigAttrib(disp _EGLDisplay, cfg _EGLConfig, attr _EGLint) (_EGLint, bool) {
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var val _EGLint
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ret := C.eglGetConfigAttrib(disp, cfg, attr, &val)
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return val, ret == C.EGL_TRUE
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}
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func eglGetError() _EGLint {
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return C.eglGetError()
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}
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func eglInitialize(disp _EGLDisplay) (_EGLint, _EGLint, bool) {
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var maj, min _EGLint
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ret := C.eglInitialize(disp, &maj, &min)
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return maj, min, ret == C.EGL_TRUE
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}
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func eglMakeCurrent(disp _EGLDisplay, draw, read _EGLSurface, ctx _EGLContext) bool {
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return C.eglMakeCurrent(disp, draw, read, ctx) == C.EGL_TRUE
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}
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func eglReleaseThread() bool {
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return C.eglReleaseThread() == C.EGL_TRUE
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}
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func eglSwapBuffers(disp _EGLDisplay, surf _EGLSurface) bool {
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return C.eglSwapBuffers(disp, surf) == C.EGL_TRUE
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}
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func eglSwapInterval(disp _EGLDisplay, interval _EGLint) bool {
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return C.eglSwapInterval(disp, interval) == C.EGL_TRUE
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}
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func eglTerminate(disp _EGLDisplay) bool {
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return C.eglTerminate(disp) == C.EGL_TRUE
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}
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func eglQueryString(disp _EGLDisplay, name _EGLint) string {
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return C.GoString(C.eglQueryString(disp, name))
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}
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