131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
/*
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* Copyright (C) 2018 Fuzhou Rockchip Electronics Co.Ltd.
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*
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* Modification based on code covered by the Apache License, Version 2.0 (the "License").
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* You may not use this software except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS TO YOU ON AN "AS IS" BASIS
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* AND ANY AND ALL WARRANTIES AND REPRESENTATIONS WITH RESPECT TO SUCH SOFTWARE, WHETHER EXPRESS,
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* IMPLIED, STATUTORY OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY IMPLIED WARRANTIES OF TITLE,
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* NON-INFRINGEMENT, MERCHANTABILITY, SATISFACTROY QUALITY, ACCURACY OR FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED.
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*
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* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_AUTO_GL_H_
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#define ANDROID_AUTO_GL_H_
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#include <memory>
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#define EGL_EGLEXT_PROTOTYPES
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#define GL_GLEXT_PROTOTYPES
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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 <GLES2/gl2ext.h>
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// TODO(zachr): use hwc_drm_bo to turn buffer handles into textures
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#ifndef EGL_NATIVE_HANDLE_ANDROID_NVX
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#define EGL_NATIVE_HANDLE_ANDROID_NVX 0x322A
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#endif
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namespace android {
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#define AUTO_GL_TYPE(name, type, zero, deleter) \
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struct name##Deleter { \
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typedef type pointer; \
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\
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void operator()(pointer p) const { \
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if (p != zero) { \
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deleter; \
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} \
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} \
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}; \
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typedef std::unique_ptr<type, name##Deleter> name;
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AUTO_GL_TYPE(AutoGLFramebuffer, GLuint, 0, glDeleteFramebuffers(1, &p))
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AUTO_GL_TYPE(AutoGLBuffer, GLuint, 0, glDeleteBuffers(1, &p))
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AUTO_GL_TYPE(AutoGLTexture, GLuint, 0, glDeleteTextures(1, &p))
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AUTO_GL_TYPE(AutoGLShader, GLint, 0, glDeleteShader(p))
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AUTO_GL_TYPE(AutoGLProgram, GLint, 0, glDeleteProgram(p))
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struct AutoEGLDisplayImage {
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AutoEGLDisplayImage() = default;
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AutoEGLDisplayImage(EGLDisplay display, EGLImageKHR image)
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: display_(display), image_(image) {
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}
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AutoEGLDisplayImage(const AutoEGLDisplayImage& rhs) = delete;
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AutoEGLDisplayImage(AutoEGLDisplayImage&& rhs) {
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display_ = rhs.display_;
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image_ = rhs.image_;
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rhs.display_ = EGL_NO_DISPLAY;
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rhs.image_ = EGL_NO_IMAGE_KHR;
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}
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~AutoEGLDisplayImage() {
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clear();
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}
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AutoEGLDisplayImage& operator=(const AutoEGLDisplayImage& rhs) = delete;
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AutoEGLDisplayImage& operator=(AutoEGLDisplayImage&& rhs) {
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clear();
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std::swap(display_, rhs.display_);
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std::swap(image_, rhs.image_);
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return *this;
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}
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void reset(EGLDisplay display, EGLImageKHR image) {
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clear();
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display_ = display;
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image_ = image;
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}
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void clear() {
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if (image_ != EGL_NO_IMAGE_KHR) {
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eglDestroyImageKHR(display_, image_);
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display_ = EGL_NO_DISPLAY;
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image_ = EGL_NO_IMAGE_KHR;
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}
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}
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EGLImageKHR image() const {
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return image_;
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}
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private:
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EGLDisplay display_ = EGL_NO_DISPLAY;
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EGLImageKHR image_ = EGL_NO_IMAGE_KHR;
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};
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struct AutoEGLImageAndGLTexture {
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AutoEGLDisplayImage image;
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AutoGLTexture texture;
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};
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}
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#endif
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