/*
* Copyright (C) 2018 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.
*/
#pragma once
#include <cstdint>
#include <vector>
#include <EGL/egl.h>
#include <EGL/eglext.h>
typedef EGLBoolean (*PFNEGLGETCONFIGATTRIB)(EGLDisplay, EGLConfig, EGLint, EGLint*);
struct EglConfig {
static std::vector<EglConfig*> vec;
// clang-format off
static constexpr EGLint kAttribs[] = {
EGL_DEPTH_SIZE,
EGL_STENCIL_SIZE,
EGL_RENDERABLE_TYPE,
EGL_SURFACE_TYPE,
EGL_CONFIG_ID,
EGL_BUFFER_SIZE,
EGL_ALPHA_SIZE,
EGL_BLUE_SIZE,
EGL_GREEN_SIZE,
EGL_RED_SIZE,
EGL_CONFIG_CAVEAT,
EGL_LEVEL,
EGL_MAX_PBUFFER_HEIGHT,
EGL_MAX_PBUFFER_PIXELS,
EGL_MAX_PBUFFER_WIDTH,
EGL_NATIVE_RENDERABLE,
EGL_NATIVE_VISUAL_ID,
EGL_NATIVE_VISUAL_TYPE,
0x3030, // EGL_PRESERVED_RESOURCES
EGL_SAMPLES,
EGL_SAMPLE_BUFFERS,
EGL_TRANSPARENT_TYPE,
EGL_TRANSPARENT_BLUE_VALUE,
EGL_TRANSPARENT_GREEN_VALUE,
EGL_TRANSPARENT_RED_VALUE,
EGL_BIND_TO_TEXTURE_RGB,
EGL_BIND_TO_TEXTURE_RGBA,
EGL_MIN_SWAP_INTERVAL,
EGL_MAX_SWAP_INTERVAL,
EGL_LUMINANCE_SIZE,
EGL_ALPHA_MASK_SIZE,
EGL_COLOR_BUFFER_TYPE,
//EGL_MATCH_NATIVE_PIXMAP,
EGL_RECORDABLE_ANDROID,
EGL_CONFORMANT
};
// clang-format on
static constexpr size_t kNumAttribs = sizeof(kAttribs) / sizeof(kAttribs[0]);
EglConfig(EGLDisplay dpy, EGLConfig config_, PFNEGLGETCONFIGATTRIB pfnEglGetConfigAttrib)
: config(config_) {
for (size_t a = 0; a < kNumAttribs; a++) {
if (!pfnEglGetConfigAttrib(dpy, config, kAttribs[a], &attribs[a]))
attribs[a] = 0;
}
vec.push_back(this);
}
~EglConfig() {
for (size_t i = 0; i < EglConfig::vec.size(); i++) {
if (vec[i] == this) {
vec.erase(vec.begin() + i);
break;
}
}
}
EGLint attribs[kNumAttribs];
EGLConfig config;
};