helloworldlv
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
#include "egl_core.h"
|
|
|
|
#include "plugin_render.h"
|
|
#include <EGL/egl.h>
|
|
#include <GLES3/gl3.h>
|
|
|
|
EGLConfig getConfig(int version, EGLDisplay eglDisplay) {
|
|
int attribList[] = {
|
|
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
|
|
EGL_RED_SIZE, 8,
|
|
EGL_GREEN_SIZE, 8,
|
|
EGL_BLUE_SIZE, 8,
|
|
EGL_ALPHA_SIZE, 8,
|
|
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
|
|
EGL_STENCIL_SIZE, 8,
|
|
EGL_DEPTH_SIZE, 24,
|
|
EGL_NONE
|
|
};
|
|
EGLConfig configs = NULL;
|
|
int configsNum;
|
|
if (!eglChooseConfig(eglDisplay, attribList, &configs, 1, &configsNum)) {
|
|
// OHOS_LOGE("eglChooseConfig ERROR");
|
|
return NULL;
|
|
}
|
|
return configs;
|
|
}
|
|
|
|
void EGLCore::GLContextInit(void* window, int w, int h)
|
|
{
|
|
// OHOS_LOGD("EGLCore::GLContextInit window = %{public}p, w = %{public}d, h = %{public}d.", window, w, h);
|
|
width_ = w;
|
|
height_ = h;
|
|
mEglWindow = (EGLNativeWindowType)(window);
|
|
|
|
// 1. create sharedcontext
|
|
mEGLDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
|
|
if (mEGLDisplay == EGL_NO_DISPLAY) {
|
|
// OHOS_LOGE("EGLCore::unable to get EGL display.");
|
|
return;
|
|
}
|
|
|
|
EGLint eglMajVers, eglMinVers;
|
|
if (!eglInitialize(mEGLDisplay, &eglMajVers, &eglMinVers)) {
|
|
mEGLDisplay = EGL_NO_DISPLAY;
|
|
// OHOS_LOGE("EGLCore::unable to initialize display");
|
|
return;
|
|
}
|
|
|
|
mEGLConfig = getConfig(3, mEGLDisplay);
|
|
if (mEGLConfig == nullptr) {
|
|
// OHOS_LOGE("EGLCore::GLContextInit config ERROR");
|
|
return;
|
|
}
|
|
|
|
// 2. Create EGL Surface from Native Window
|
|
if (mEglWindow) {
|
|
mEGLSurface = eglCreateWindowSurface(mEGLDisplay, mEGLConfig, mEglWindow, nullptr);
|
|
if (mEGLSurface == nullptr) {
|
|
// OHOS_LOGE("EGLCore::eglCreateContext eglSurface is null");
|
|
return;
|
|
}
|
|
}
|
|
|
|
// 3. Create EGLContext from
|
|
int attrib3_list[] = {
|
|
EGL_CONTEXT_CLIENT_VERSION, 2,
|
|
EGL_NONE
|
|
};
|
|
|
|
mEGLContext = eglCreateContext(mEGLDisplay, mEGLConfig, mSharedEGLContext, attrib3_list);
|
|
|
|
if (!eglMakeCurrent(mEGLDisplay, mEGLSurface, mEGLSurface, mEGLContext)) {
|
|
// OHOS_LOGE("EGLCore::eglMakeCurrent error = %{public}d", eglGetError());
|
|
}
|
|
}
|
|
|
|
void EGLCore::Update()
|
|
{
|
|
eglSwapBuffers(mEGLDisplay, mEGLSurface);
|
|
}
|
|
|
|
bool EGLCore::checkGlError(const char* op)
|
|
{
|
|
// OHOS_LOGE("EGL ERROR CODE = %{public}x", eglGetError());
|
|
GLint error;
|
|
for (error = glGetError(); error; error = glGetError()) {
|
|
// OHOS_LOGE("ERROR: %{public}s, ERROR CODE = %{public}x", op, error);
|
|
return true;
|
|
}
|
|
return false;
|
|
} |