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@@ -0,0 +1,18 @@
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#ifdef _WIN32
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#include <Windows.h>
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#include <QTextCodec>
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#endif
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#include <QApplication>
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#include "simplest_qt_opengl_window.h"
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int main(int argc, char *argv[]) {
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QApplication app(argc, argv);
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#ifdef _WIN32
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QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
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SetConsoleOutputCP(CP_UTF8);
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#endif
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Window w;
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w.resize(800, 800);
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w.show();
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return QApplication::exec();
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}
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@@ -0,0 +1,66 @@
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#ifndef yC_GLES32_Window_H
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#define yC_GLES32_Window_H
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#include <QWindow>
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#include <QOpenGLContext>
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#include <QOpenGLFunctions>
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#include <QSurfaceFormat>
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class Window : public QWindow, protected QOpenGLFunctions {
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public:
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QOpenGLContext *context;
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bool initialized;
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Window() : context(nullptr), initialized(false) {
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setSurfaceType(OpenGLSurface);
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// 设置OpenGL ES版本（3.2）
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QSurfaceFormat format = QSurfaceFormat::defaultFormat();
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format.setMajorVersion(3);
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format.setMinorVersion(2);
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format.setProfile(QSurfaceFormat::CompatibilityProfile); // 设置为 OpenGL ES 配置
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setFormat(format);
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// 创建OpenGL上下文
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context = new QOpenGLContext();
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context->setFormat(format);
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context->create();
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}
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~Window() override {
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delete context;
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}
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void exposeEvent(QExposeEvent *event) override {
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if (isExposed()) {
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// 激活OpenGL上下文
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context->makeCurrent(this);
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// 初始化OpenGL（如果还未初始化）
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if (!initialized) {
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initializeOpenGLFunctions();
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// 可以在这里做初始化工作，如创建VBO、着色器等
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initialized = true;
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}
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// 渲染
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render();
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// 刷新OpenGL渲染到屏幕
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context->swapBuffers(this);
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}
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}
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private:
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void render() {
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// 在这里编写OpenGL ES渲染指令
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glClearColor(0.0f, 0.0f, 1.0f, 1.0f); // 清除背景为蓝色
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glClear(GL_COLOR_BUFFER_BIT); // 清空颜色缓冲
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// 更多OpenGL ES渲染指令...
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}
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};
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#endif
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@@ -0,0 +1,9 @@
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#include "core.h"
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namespace GL {
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Global* Global::instance() {
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static Global instance;
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return &instance;
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}
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}
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@@ -0,0 +1,103 @@
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#ifndef _core_h_
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#define _core_h_
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#include <QOffscreenSurface>
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#include <QOpenGLContext>
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#include <iostream>
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#include <map>
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#include <mutex>
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#include <thread>
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#include <vector>
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#include "glad.h"
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class QWindow;
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namespace GL {
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inline QSurfaceFormat surface_format() {
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QSurfaceFormat format = QSurfaceFormat::defaultFormat();
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format.setMajorVersion(3);
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format.setMinorVersion(2);
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//format.setProfile(QSurfaceFormat::CompatibilityProfile);
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format.setProfile(QSurfaceFormat::CoreProfile);
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return format;
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}
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inline QOpenGLContext* context_init(QSurface* w, const QSurfaceFormat& format) {
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auto context = new QOpenGLContext();
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context->setFormat(format);
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context->create();
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context->makeCurrent(w);
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// 在expose之后调用，因为上下文绑定了窗口，加载的函数也绑定了窗口
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gladLoadGLES2Loader([](const char* name){
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auto byteArray = QByteArray::fromRawData(name, static_cast<int>(strlen(name)));
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auto ctx = QOpenGLContext::currentContext();
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return reinterpret_cast<void*>(ctx->getProcAddress(byteArray));
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});
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return context;
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}
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inline GLuint create_texture(GLsizei width, GLsizei height) {
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GLuint ret;
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glGenTextures(1, &ret);
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auto t = GL_TEXTURE_2D;
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glBindTexture(t, ret);
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glTexImage2D(t, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
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glTexParameteri(t, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(t, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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// 将一个纹理附加到当前绑定的帧缓冲对象
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glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, t, ret, 0);
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if(glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE){
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std::cout << "SubThreadFrameBuffer::render Framebuffer not complete!";
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}
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return ret;
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}
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class R {
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public:
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virtual ~R() = default;
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virtual void render() = 0;
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std::atomic<bool> show;
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};
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class Global {
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Global() {
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std::thread t([this]() {
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for (auto& r: r_list()) {
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if (r->show) {
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r->render();
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}
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}
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});
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}
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static Global* instance();
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std::vector<R*> r_list() {
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std::lock_guard g(r_mutex);
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std::vector<R*> ret;
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ret.reserve(rs.size());
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for (auto& r : rs) {
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ret.push_back(r.second);
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}
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return ret;
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}
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void add(const std::string& key, R* r) {
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std::lock_guard g(r_mutex);
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if (rs.find(key) == rs.end())
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{
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rs[key] = r;
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} else
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{
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std::cout << "R" << key << " already exists!" << std::endl;
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}
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}
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protected:
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std::mutex r_mutex;
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std::map<std::string, R*> rs;
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};
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}
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#endif
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,311 @@
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#ifndef __khrplatform_h_
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#define __khrplatform_h_
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/*
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** Copyright (c) 2008-2018 The Khronos Group Inc.
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**
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** Permission is hereby granted, free of charge, to any person obtaining a
|
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** copy of this software and/or associated documentation files (the
|
||||
** "Materials"), to deal in the Materials without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
|
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** distribute, sublicense, and/or sell copies of the Materials, and to
|
||||
** permit persons to whom the Materials are furnished to do so, subject to
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||||
** the following conditions:
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||||
**
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||||
** The above copyright notice and this permission notice shall be included
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||||
** in all copies or substantial portions of the Materials.
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||||
**
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||||
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
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** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
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** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
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** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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/* Khronos platform-specific types and definitions.
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*
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* The master copy of khrplatform.h is maintained in the Khronos EGL
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* Registry repository at https://github.com/KhronosGroup/EGL-Registry
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* The last semantic modification to khrplatform.h was at commit ID:
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* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
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*
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* Adopters may modify this file to suit their platform. Adopters are
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* encouraged to submit platform specific modifications to the Khronos
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* group so that they can be included in future versions of this file.
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* Please submit changes by filing pull requests or issues on
|
||||
* the EGL Registry repository linked above.
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*
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*
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* See the Implementer's Guidelines for information about where this file
|
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* should be located on your system and for more details of its use:
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* http://www.khronos.org/registry/implementers_guide.pdf
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*
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* This file should be included as
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* #include <KHR/khrplatform.h>
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* by Khronos client API header files that use its types and defines.
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*
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* The types in khrplatform.h should only be used to define API-specific types.
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*
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* Types defined in khrplatform.h:
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* khronos_int8_t signed 8 bit
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* khronos_uint8_t unsigned 8 bit
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* khronos_int16_t signed 16 bit
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* khronos_uint16_t unsigned 16 bit
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* khronos_int32_t signed 32 bit
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* khronos_uint32_t unsigned 32 bit
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* khronos_int64_t signed 64 bit
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* khronos_uint64_t unsigned 64 bit
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* khronos_intptr_t signed same number of bits as a pointer
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* khronos_uintptr_t unsigned same number of bits as a pointer
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* khronos_ssize_t signed size
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* khronos_usize_t unsigned size
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* khronos_float_t signed 32 bit floating point
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* khronos_time_ns_t unsigned 64 bit time in nanoseconds
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* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
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* nanoseconds
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* khronos_stime_nanoseconds_t signed time interval in nanoseconds
|
||||
* khronos_boolean_enum_t enumerated boolean type. This should
|
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* only be used as a base type when a client API's boolean type is
|
||||
* an enum. Client APIs which use an integer or other type for
|
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* booleans cannot use this as the base type for their boolean.
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*
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* Tokens defined in khrplatform.h:
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*
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* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
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*
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* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
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* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
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*
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* Calling convention macros defined in this file:
|
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* KHRONOS_APICALL
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* KHRONOS_APIENTRY
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||||
* KHRONOS_APIATTRIBUTES
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*
|
||||
* These may be used in function prototypes as:
|
||||
*
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||||
* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
|
||||
* int arg1,
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* int arg2) KHRONOS_APIATTRIBUTES;
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||||
*/
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#if defined(__SCITECH_SNAP__) && !defined(KHRONOS_STATIC)
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# define KHRONOS_STATIC 1
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#endif
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||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* Definition of KHRONOS_APICALL
|
||||
*-------------------------------------------------------------------------
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||||
* This precedes the return type of the function in the function prototype.
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||||
*/
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||||
#if defined(KHRONOS_STATIC)
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/* If the preprocessor constant KHRONOS_STATIC is defined, make the
|
||||
* header compatible with static linking. */
|
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# define KHRONOS_APICALL
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#elif defined(_WIN32)
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# define KHRONOS_APICALL __declspec(dllimport)
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#elif defined (__SYMBIAN32__)
|
||||
# define KHRONOS_APICALL IMPORT_C
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||||
#elif defined(__ANDROID__)
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||||
# define KHRONOS_APICALL __attribute__((visibility("default")))
|
||||
#else
|
||||
# define KHRONOS_APICALL
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||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* Definition of KHRONOS_APIENTRY
|
||||
*-------------------------------------------------------------------------
|
||||
* This follows the return type of the function and precedes the function
|
||||
* name in the function prototype.
|
||||
*/
|
||||
#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
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||||
/* Win32 but not WinCE */
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||||
# define KHRONOS_APIENTRY __stdcall
|
||||
#else
|
||||
# define KHRONOS_APIENTRY
|
||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* Definition of KHRONOS_APIATTRIBUTES
|
||||
*-------------------------------------------------------------------------
|
||||
* This follows the closing parenthesis of the function prototype arguments.
|
||||
*/
|
||||
#if defined (__ARMCC_2__)
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||||
#define KHRONOS_APIATTRIBUTES __softfp
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||||
#else
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||||
#define KHRONOS_APIATTRIBUTES
|
||||
#endif
|
||||
|
||||
/*-------------------------------------------------------------------------
|
||||
* basic type definitions
|
||||
*-----------------------------------------------------------------------*/
|
||||
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
|
||||
|
||||
|
||||
/*
|
||||
* Using <stdint.h>
|
||||
*/
|
||||
#include <stdint.h>
|
||||
typedef int32_t khronos_int32_t;
|
||||
typedef uint32_t khronos_uint32_t;
|
||||
typedef int64_t khronos_int64_t;
|
||||
typedef uint64_t khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
/*
|
||||
* To support platform where unsigned long cannot be used interchangeably with
|
||||
* inptr_t (e.g. CHERI-extended ISAs), we can use the stdint.h intptr_t.
|
||||
* Ideally, we could just use (u)intptr_t everywhere, but this could result in
|
||||
* ABI breakage if khronos_uintptr_t is changed from unsigned long to
|
||||
* unsigned long long or similar (this results in different C++ name mangling).
|
||||
* To avoid changes for existing platforms, we restrict usage of intptr_t to
|
||||
* platforms where the size of a pointer is larger than the size of long.
|
||||
*/
|
||||
#if defined(__SIZEOF_LONG__) && defined(__SIZEOF_POINTER__)
|
||||
#if __SIZEOF_POINTER__ > __SIZEOF_LONG__
|
||||
#define KHRONOS_USE_INTPTR_T
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#elif defined(__VMS ) || defined(__sgi)
|
||||
|
||||
/*
|
||||
* Using <inttypes.h>
|
||||
*/
|
||||
#include <inttypes.h>
|
||||
typedef int32_t khronos_int32_t;
|
||||
typedef uint32_t khronos_uint32_t;
|
||||
typedef int64_t khronos_int64_t;
|
||||
typedef uint64_t khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
|
||||
|
||||
/*
|
||||
* Win32
|
||||
*/
|
||||
typedef __int32 khronos_int32_t;
|
||||
typedef unsigned __int32 khronos_uint32_t;
|
||||
typedef __int64 khronos_int64_t;
|
||||
typedef unsigned __int64 khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#elif defined(__sun__) || defined(__digital__)
|
||||
|
||||
/*
|
||||
* Sun or Digital
|
||||
*/
|
||||
typedef int khronos_int32_t;
|
||||
typedef unsigned int khronos_uint32_t;
|
||||
#if defined(__arch64__) || defined(_LP64)
|
||||
typedef long int khronos_int64_t;
|
||||
typedef unsigned long int khronos_uint64_t;
|
||||
#else
|
||||
typedef long long int khronos_int64_t;
|
||||
typedef unsigned long long int khronos_uint64_t;
|
||||
#endif /* __arch64__ */
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#elif 0
|
||||
|
||||
/*
|
||||
* Hypothetical platform with no float or int64 support
|
||||
*/
|
||||
typedef int khronos_int32_t;
|
||||
typedef unsigned int khronos_uint32_t;
|
||||
#define KHRONOS_SUPPORT_INT64 0
|
||||
#define KHRONOS_SUPPORT_FLOAT 0
|
||||
|
||||
#else
|
||||
|
||||
/*
|
||||
* Generic fallback
|
||||
*/
|
||||
#include <stdint.h>
|
||||
typedef int32_t khronos_int32_t;
|
||||
typedef uint32_t khronos_uint32_t;
|
||||
typedef int64_t khronos_int64_t;
|
||||
typedef uint64_t khronos_uint64_t;
|
||||
#define KHRONOS_SUPPORT_INT64 1
|
||||
#define KHRONOS_SUPPORT_FLOAT 1
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/*
|
||||
* Types that are (so far) the same on all platforms
|
||||
*/
|
||||
typedef signed char khronos_int8_t;
|
||||
typedef unsigned char khronos_uint8_t;
|
||||
typedef signed short int khronos_int16_t;
|
||||
typedef unsigned short int khronos_uint16_t;
|
||||
|
||||
/*
|
||||
* Types that differ between LLP64 and LP64 architectures - in LLP64,
|
||||
* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
|
||||
* to be the only LLP64 architecture in current use.
|
||||
*/
|
||||
#ifdef KHRONOS_USE_INTPTR_T
|
||||
typedef intptr_t khronos_intptr_t;
|
||||
typedef uintptr_t khronos_uintptr_t;
|
||||
#elif defined(_WIN64)
|
||||
typedef signed long long int khronos_intptr_t;
|
||||
typedef unsigned long long int khronos_uintptr_t;
|
||||
#else
|
||||
typedef signed long int khronos_intptr_t;
|
||||
typedef unsigned long int khronos_uintptr_t;
|
||||
#endif
|
||||
|
||||
#if defined(_WIN64)
|
||||
typedef signed long long int khronos_ssize_t;
|
||||
typedef unsigned long long int khronos_usize_t;
|
||||
#else
|
||||
typedef signed long int khronos_ssize_t;
|
||||
typedef unsigned long int khronos_usize_t;
|
||||
#endif
|
||||
|
||||
#if KHRONOS_SUPPORT_FLOAT
|
||||
/*
|
||||
* Float type
|
||||
*/
|
||||
typedef float khronos_float_t;
|
||||
#endif
|
||||
|
||||
#if KHRONOS_SUPPORT_INT64
|
||||
/* Time types
|
||||
*
|
||||
* These types can be used to represent a time interval in nanoseconds or
|
||||
* an absolute Unadjusted System Time. Unadjusted System Time is the number
|
||||
* of nanoseconds since some arbitrary system event (e.g. since the last
|
||||
* time the system booted). The Unadjusted System Time is an unsigned
|
||||
* 64 bit value that wraps back to 0 every 584 years. Time intervals
|
||||
* may be either signed or unsigned.
|
||||
*/
|
||||
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
|
||||
typedef khronos_int64_t khronos_stime_nanoseconds_t;
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Dummy value used to pad enum types to 32 bits.
|
||||
*/
|
||||
#ifndef KHRONOS_MAX_ENUM
|
||||
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Enumerated boolean type
|
||||
*
|
||||
* Values other than zero should be considered to be true. Therefore
|
||||
* comparisons should not be made against KHRONOS_TRUE.
|
||||
*/
|
||||
typedef enum {
|
||||
KHRONOS_FALSE = 0,
|
||||
KHRONOS_TRUE = 1,
|
||||
KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
|
||||
} khronos_boolean_enum_t;
|
||||
|
||||
#endif /* __khrplatform_h_ */
|
||||
@@ -0,0 +1,22 @@
|
||||
#ifdef _WIN32
|
||||
#include <Windows.h>
|
||||
#include <QTextCodec>
|
||||
#endif
|
||||
#include <QApplication>
|
||||
#include "simplest_qt_opengl_window.h"
|
||||
|
||||
|
||||
|
||||
|
||||
int main(int argc, char *argv[]) {
|
||||
QApplication app(argc, argv);
|
||||
#ifdef _WIN32
|
||||
QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
|
||||
SetConsoleOutputCP(CP_UTF8);
|
||||
#endif
|
||||
Window w;
|
||||
|
||||
w.resize(800, 800);
|
||||
w.show();
|
||||
return QApplication::exec();
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
#ifndef yC_GLES32_Window_H
|
||||
#define yC_GLES32_Window_H
|
||||
#include <QWindow>
|
||||
#include <QOpenGLContext>
|
||||
|
||||
#include <QSurfaceFormat>
|
||||
#include <iostream>
|
||||
#include "core.h"
|
||||
|
||||
class Window : public QWindow {
|
||||
public:
|
||||
QOpenGLContext *context;
|
||||
bool initialized;
|
||||
QSurfaceFormat format;
|
||||
Window() : context(nullptr), initialized(false) {
|
||||
format = GL::surface_format();
|
||||
setSurfaceType(OpenGLSurface);
|
||||
setFormat(format);
|
||||
|
||||
}
|
||||
|
||||
~Window() override {
|
||||
delete context;
|
||||
}
|
||||
|
||||
void exposeEvent(QExposeEvent *event) override {
|
||||
if (isExposed()) {
|
||||
if (!initialized) {
|
||||
context = GL::context_init(this, format);
|
||||
initialized = true;
|
||||
}
|
||||
context->makeCurrent(this);
|
||||
render();
|
||||
context->swapBuffers(this);
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
virtual void render() {
|
||||
// 在这里编写OpenGL ES渲染指令
|
||||
glClearColor(0.0f, 0.0f, 1.0f, 1.0f); // 清除背景为蓝色
|
||||
glClear(GL_COLOR_BUFFER_BIT); // 清空颜色缓冲
|
||||
// 更多OpenGL ES渲染指令...
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user