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/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GLUTILS_H
#define GLUTILS_H
#include "Debug.h"
#include <log/log.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES3/gl3.h>
namespace android {
namespace uirenderer {
#if DEBUG_OPENGL
#define GL_CHECKPOINT(LEVEL) \
do { \
if (DEBUG_OPENGL >= DEBUG_LEVEL_##LEVEL) { \
LOG_ALWAYS_FATAL_IF(android::uirenderer::GLUtils::dumpGLErrors(), "GL errors! %s:%d", \
__FILE__, __LINE__); \
} \
} while (0)
#else
#define GL_CHECKPOINT(LEVEL)
#endif
class GLUtils {
public:
/**
* Print out any GL errors with ALOGE, returns true if any errors were found.
* You probably want to use GL_CHECKPOINT(LEVEL) instead of calling this directly
*/
static bool dumpGLErrors();
static const char* getGLFramebufferError();
}; // class GLUtils
class AutoEglImage {
public:
AutoEglImage(EGLDisplay display, EGLClientBuffer clientBuffer) : mDisplay(display) {
EGLint imageAttrs[] = {EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE};
image = eglCreateImageKHR(display, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, clientBuffer,
imageAttrs);
}
~AutoEglImage() {
if (image != EGL_NO_IMAGE_KHR) {
eglDestroyImageKHR(mDisplay, image);
}
}
EGLImageKHR image = EGL_NO_IMAGE_KHR;
private:
EGLDisplay mDisplay = EGL_NO_DISPLAY;
};
class AutoSkiaGlTexture {
public:
AutoSkiaGlTexture() {
glGenTextures(1, &mTexture);
glBindTexture(GL_TEXTURE_2D, mTexture);
}
~AutoSkiaGlTexture() { glDeleteTextures(1, &mTexture); }
GLuint mTexture = 0;
};
class AutoGLFramebuffer {
public:
AutoGLFramebuffer() {
glGenFramebuffers(1, &mFb);
glBindFramebuffer(GL_FRAMEBUFFER, mFb);
}
~AutoGLFramebuffer() { glDeleteFramebuffers(1, &mFb); }
GLuint mFb;
};
} /* namespace uirenderer */
} /* namespace android */
#endif /* GLUTILS_H */
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