Jun 15, 2020 OpenGL Extensions Viewer for Android displays the vendor name, the version, the renderer name and the extensions for OpenGL ES 1.0 to ES 3.2 and Vulkan.From the makers of the famous OpenGL Extensions Viewer on PC and Mac, the Android version can access each extension documentation, renderers capabilities.Ideal if you are developing application for Android,CPU information, Android OS revision. RenderTools is an OpenGL based scenegraph library in C for Windows, OSX and IOS supporting OpenGL ES1.1, ES2.0, OpenGL1.5 and up to the latest version (currently 4.2). It allows the developer to easily (de)serialize a scenegraph to-and-from xml, create renderbuffers, framebuffers, samplers, vertexbuffers etc. And cross-reference those items.
Important:OpenGL was deprecated in macOS 10.14. To create high-performance code on GPUs, use the Metal framework instead. See Metal.
Important OpenGL was deprecated in macOS 10.14. To create high-performance code on GPUs, use the Metal framework instead. See Metal.
OpenGL is an open, cross-platform graphics standard with broad industry support. OpenGL greatly eases the task of writing real-time 2D or 3D graphics applications by providing a mature, well-documented graphics processing pipeline that supports the abstraction of current and future hardware accelerators.
At a Glance
OpenGL is an excellent choice for graphics development on the Macintosh platform because it offers the following advantages:
OpenGL Is a C-based, Platform-Neutral API
Because OpenGL is a C-based API, it is extremely portable and widely supported. As a C API, it integrates seamlessly with Objective-C based Cocoa applications. OpenGL provides functions your application uses to generate 2D or 3D images. Your application presents the rendered images to the screen or copies them back to its own memory.
The OpenGL specification does not provide a windowing layer of its own. It relies on functions defined by OS X to integrate OpenGL drawing with the windowing system. Your application creates an OS X OpenGL rendering context and attaches a rendering target to it (known as a drawable object). The rendering context manages OpenGL state changes and objects created by calls to the OpenGL API. The drawable object is the final destination for OpenGL drawing commands and is typically associated with a Cocoa window or view.
Different Rendering Destinations Require Different Setup Commands
Depending on whether your application intends to draw OpenGL content to a window, to draw to the entire screen, or to perform offscreen image processing, it takes different steps to create the rendering context and associate it with a drawable object.
Relevant Chapters:Drawing to a Window or View, Drawing to the Full Screen and Drawing Offscreen
OpenGL on Macs Exists in a Heterogenous Environment
Macs support different types of graphics processors, each with different rendering capabilities, supporting versions of OpenGL from 1.x through OpenGL 3.2. When creating a rendering context, your application can accept a broad range of renderers or it can restrict itself to devices with specific capabilities. Once you have a context, you can configure how that context executes OpenGL commands.
OpenGL on the Mac is not only a heterogenous environment, but it is also a dynamic environment. Users can add or remove displays, or take a laptop running on battery power and plug it into a wall. When the graphics environment on the Mac changes, the renderer associated with the context may change. Your application must handle these changes and adjust how it uses OpenGL.
Relevant Chapters:Choosing Renderer and Buffer Attributes, Working with Rendering Contexts, and Determining the OpenGL Capabilities Supported by the Renderer
Opengl 1.0 Download Mac IsoOpenGL Helps Applications Harness the Power of Graphics Processors
Graphics processors are massively parallelized devices optimized for graphics operations. To access that computing power adds additional overhead because data must move from your application to the GPU over slower internal buses. Accessing the same data simultaneously from both your application and OpenGL is usually restricted. To get great performance in your application, you must carefully design your application to feed data and commands to OpenGL so that the graphics hardware runs in parallel with your application. A poorly tuned application may stall either on the CPU or the GPU waiting for the other to finish processing.
When you are ready to optimize your application’s performance, Apple provides both general-purpose and OpenGL-specific profiling tools that make it easy to learn where your application spends its time.
https://ameblo.jp/enrilagold1979/entry-12630926524.html. Relevant Chapters:Optimizing OpenGL for High Resolution, OpenGL on the Mac Platform,OpenGL Application Design Strategies, Best Practices for Working with Vertex Data, Best Practices for Working with Texture Data, Customizing the OpenGL Pipeline with Shaders, and Tuning Your OpenGL Application
Concurrency in OpenGL Applications Requires Additional Effort
Many Macs ship with multiple processors or multiple cores, and future hardware is expected to add more of each. Designing applications to take advantage of multiprocessing is critical. OpenGL places additional restrictions on multithreaded applications. If you intend to add concurrency to an OpenGL application, you must ensure that the application does not access the same context from two different threads at the same time.
Performance Tuning Allows Your Application to Provide an Exceptional User Experience
Once you’ve improved the performance of your OpenGL application and taken advantage of concurrency, put some of the freed processing power to work for you. Higher resolution textures, detailed models, and more complex lighting and shading algorithms can improve image quality. Full-scene antialiasing on modern graphics hardware can eliminate many of the “jaggies” common on lower resolution images.
Relevant Chapters:Customizing the OpenGL Pipeline with Shaders,Techniques for Scene Antialiasing
How to Use This Document
If you have never programmed in OpenGL on the Mac, you should read this book in its entirety, starting with OpenGL on the Mac Platform. Critical Mac terminology is defined in that chapter as well as in the Glossary. 64 bit download free.
If you already have an OpenGL application running on the Mac, but have not yet updated it for OS X v10.7, read Choosing Renderer and Buffer Attributes to learn how to choose an OpenGL profile for your application.
To find out how to update an existing OpenGL app for high resolution, see Optimizing OpenGL for High Resolution.
Once you have OpenGL content in your application, read OpenGL Application Design Strategies to learn fundamental patterns for implementing high-performance OpenGL applications, and the chapters that follow to learn how to apply those patterns to specific OpenGL problems.
Important: Although this guide describes how to create rendering contexts that support OpenGL 3.2, most code examples and discussion in the rest of the book describe the earlier legacy versions of OpenGL. See Updating an Application to Support the OpenGL 3.2 Core Specification for more information on migrating your application to OpenGL 3.2.
Prerequisites
https://Watermarking-Program-For-Mac.peatix.com/. This guide assumes that you have some experience with OpenGL programming, but want to learn how to apply that knowledge to create software for the Mac. Although this guide provides advice on optimizing OpenGL code, it does not provide entry-level information on how to use the OpenGL API. If you are unfamiliar with OpenGL, you should read OpenGL on the Mac Platform to get an overview of OpenGL on the Mac platform, and then read the following OpenGL programming guide and reference documents:
Before reading this document, you should be familiar with Cocoa windows and views as introduced in Window Programming Guide and View Programming Guide.
See Also
Keep these reference documents handy as you develop your OpenGL program for OS X:
The OpenGL Foundation website, http://www.opengl.org, provides information on OpenGL commands, the Khronos OpenGL Working Group, logo requirements, OpenGL news, and many other topics. It's a site that you'll want to visit regularly. Among the many resources it provides, the following are important reference documents for OpenGL developers:
Opengl 1.0 Download Mac Os
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