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About
This tutorial will teach you the basics of using the Vulkangraphics and compute API. Vulkan is a new API by the Khronos group(known for OpenGL) that provides a much better abstraction of modern graphicscards. This new interface allows you to better describe what your applicationintends to do, which can lead to better performance and less surprising driverbehavior compared to existing APIs like OpenGLand Direct3D. The ideas behind Vulkanare similar to those of Direct3D 12and Metal, but Vulkan has theadvantage of being fully cross-platform and allows you to develop for Windows,Linux and Android at the same time.
However, the price you pay for these benefits is that you have to work with asignificantly more verbose API. Every detail related to the graphics API needsto be set up from scratch by your application, including initial frame buffercreation and memory management for objects like buffers and texture images. Thegraphics driver will do a lot less hand holding, which means that you will haveto do more work in your application to ensure correct behavior.
The takeaway message here is that Vulkan is not for everyone. It is targeted atprogrammers who are enthusiastic about high performance computer graphics, andare willing to put some work in. If you are more interested in game development,rather than computer graphics, then you may wish to stick to OpenGL or Direct3D,which will not be deprecated in favor of Vulkan anytime soon. Anotheralternative is to use an engine like Unreal Engineor Unity, which will beable to use Vulkan while exposing a much higher level API to you.
Jun 19, 2017 3D Graphics: OpenGL, Metal, Vulkan, Direct3D. General; 3 years ago. Michael D 16 Jan 2017 Pre-Release Testers, Xojo Pro. About 10 years ago I decided that OpenGL was the way to go for my cross-platform (Mac, Windows) app. In hindsight - right idea at the time but maybe a. May 29, 2018 PPSSPP, the best free, open-source and cross-platform PSP (PlayStation Portable) emulator, has been updated over the weekend to version 1.6. PPSSPP is an open source project, licensed under the GPL 2.0 (or later). Anyone is welcome to contribute improvements to the code. Partly thanks to such contributions, PPSSPP's compatibility is steadily increasing, letting us all play our PSP games on the devices of our choice. Development » GitHub ». Ppsspp roms for android free. Dec 04, 2017 PPSSPP Now Supports Vulkan Graphics API for Smoother PSP Emulation. PPSSPP, a Sony PlayStation Portable emulator for Android devices, is one of the most robust around. Not only does it let you play your favorite PSP games on any Android-based smartphone or tablet, but it supports the Vulkan Graphics API, which means it performs well on older.
With that out of the way, let's cover some prerequisites for following thistutorial:
- A graphics card and driver compatible with Vulkan (NVIDIA, AMD, Intel)
- Experience with C++ (familiarity with RAII, initializer lists)
- A compiler with decent support of C++17 features (Visual Studio 2017+, GCC 7+, Or Clang 5+)
- Some existing experience with 3D computer graphics
This tutorial will not assume knowledge of OpenGL or Direct3D concepts, but itdoes require you to know the basics of 3D computer graphics. It will not explainthe math behind perspective projection, for example. See this online bookfor a great introduction of computer graphics concepts. Some other great computer graphics resources are:
- Vulkan being used in a real engine in the open-source Quake and DOOM 3
You can use C instead of C++ if you want, but you will have to use a differentlinear algebra library and you will be on your own in terms of code structuring.We will use C++ features like classes and RAII to organize logic and resourcelifetimes. There is also an alternative version of this tutorial available for Rust developers.
To make it easier to follow along for developers using other programming languages, and to get some experience with the base API we'll be using the original C API to work with Vulkan. If you are using C++, however, you may prefer using the newer Vulkan-Hpp bindings that abstract some of the dirty work and help prevent certain classes of errors.
E-book
If you prefer to read this tutorial as an e-book, then you can download an EPUBor PDF version here:
Tutorial structure
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We'll start with an overview of how Vulkan works and the work we'll have to doto get the first triangle on the screen. The purpose of all the smaller stepswill make more sense after you've understood their basic role in the wholepicture. Next, we'll set up the development environment with the Vulkan SDK,the GLM library for linear algebra operations andGLFW for window creation. The tutorial will cover howto set these up on Windows with Visual Studio, and on Ubuntu Linux with GCC.
After that we'll implement all of the basic components of a Vulkan program thatare necessary to render your first triangle. Each chapter will follow roughlythe following structure:
- Introduce a new concept and its purpose
- Use all of the relevant API calls to integrate it into your program
- Abstract parts of it into helper functions
Although each chapter is written as a follow-up on the previous one, it is alsopossible to read the chapters as standalone articles introducing a certainVulkan feature. That means that the site is also useful as a reference. All ofthe Vulkan functions and types are linked to the specification, so you can clickthem to learn more. Vulkan is a very new API, so there may be some shortcomingsin the specification itself. You are encouraged to submit feedback tothis Khronos repository.
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As mentioned before, the Vulkan API has a rather verbose API with manyparameters to give you maximum control over the graphics hardware. This causesbasic operations like creating a texture to take a lot of steps that have to berepeated every time. Therefore we'll be creating our own collection of helperfunctions throughout the tutorial.
Every chapter will also conclude with a link to the full code listing up to thatpoint. You can refer to it if you have any doubts about the structure of thecode, or if you're dealing with a bug and want to compare. All of the code fileshave been tested on graphics cards from multiple vendors to verify correctness.Each chapter also has a comment section at the end where you can ask anyquestions that are relevant to the specific subject matter. Please specify yourplatform, driver version, source code, expected behavior and actual behavior tohelp us help you.
This tutorial is intended to be a community effort. Vulkan is still a very newAPI and best practices have not really been established yet. If you have anytype of feedback on the tutorial and site itself, then please don't hesitate tosubmit an issue or pull request to the GitHub repository.You can watch the repository to be notified of updates to the tutorial.
After you've gone through the ritual of drawing your very first Vulkan poweredtriangle onscreen, we'll start expanding the program to include lineartransformations, textures and 3D models.
Vulkan Or Direct3d For Ppsspp Games
If you've played with graphics APIs before, then you'll know that there can be alot of steps until the first geometry shows up on the screen. There are many ofthese initial steps in Vulkan, but you'll see that each of the individual stepsis easy to understand and does not feel redundant. It's also important to keepin mind that once you have that boring looking triangle, drawing fully textured3D models does not take that much extra work, and each step beyond that point ismuch more rewarding.
If you encounter any problems while following the tutorial, then first check theFAQ to see if your problem and its solution is already listed there. If you arestill stuck after that, then feel free to ask for help in the comment section ofthe closest related chapter.
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September 25, 2019: PPSSPP 1.9 is here!
PPSSPP 1.9.0 fixes more bugs and performance issues. 1.9.3 fixes a few additional bugs on Android primarily.
Rollout has started - if you're on Android you'll automatically be updated within a week.
A list of the major changes:
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- Flicker fixed in God of War that appeared with newer drivers for Mali GPUs (#12224)
- Improve performance of God of War on Vulkan (#12242), implement built-in GPU profiler (#12262, #12266)
- Vertex range culling fixed on ARM Mali (#12227)
- Started to improve VFPU precision, resulting so far in a fix for the long standing Tekken 6 leg shaking problem (#12217)
- Fixed a VFPU precision snafu on ARM64, fixing disappearing officers in Warriors Orochi (#11299) and some problems in Tomb Raider (#11179).
- Vulkan is the default again on Android versions newer than Pie
- Fix various homebrew store issues
- GPU pause signal handling fixed, fixing some hangs in Bleach and Armored Core games (#12160)
- Audio sample rate conversion handling fixes (#12147)
- Some Vulkan optimizations (pre-rotation (#12216), perf fix in Metal Gear Acid, etc)
- Multiple fixes for the UWP build (#12036, others)
- MP3 playback fixes (#12005)
- Audio in Motorstorm: Arctic Edge fixed by returning errors correctly (#12121)
- Audio glitches in Final Fantasy Tactics fixed (#9956)
- Camera display in Invizimals fixed (#12278, #8521)
- Added hotkeys for texture dump and replace (#11938)
- Added Visual Studio 2019 support. Windows XP is no longer supported (#11995, others)
- Fixes for video capture (#12069)
- Added a separate sound volume for alternative speed (#12124)
- Improved mouse control (Windows only) (#12173, #12176)
- Support for installing texture packs and ISOs from zips (#12175)
- Right analog support for touch controls (only used by patched games and some HD remasters) (#12182)
- Android: Fix OpenSL initialization, possibly helps audio crackle a little. (#12333).
- Fix graphics on Amazon Fire TV Stick 4K
- Fixed strange vehicle behavior in MGS:PW (somehow) (#12342)
- Ported to the Nintendo Switch by m4xw! Builds available on m4xw's Patreon.
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