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The set of APIs used to compile, link, and pass parameters to GLSL programs are specified in three OpenGL extensions, and became part of core OpenGL as of OpenGL Version 2.0. The API was expanded with geometry shaders in OpenGL 3.2, tessellation shaders in OpenGL 4.0 and compute shaders in OpenGL 4.3. These OpenGL APIs are found in the extensions:
HLSL shaders can enable profound speed and detail increases as well as many special effects in both 2D and 3D computer graphics. [ citation needed ] HLSL programs come in six forms: pixel shaders (fragment in GLSL), vertex shaders , geometry shaders , compute shaders , tessellation shaders (Hull and Domain shaders), and ray tracing shaders (Ray ...
3D shaders act on 3D models or other geometry but may also access the colors and textures used to draw the model or mesh. Vertex shaders are the oldest type of 3D shader, generally making modifications on a per-vertex basis. Newer geometry shaders can generate new vertices from within the shader.
On January 25, 2022, Vulkan 1.3 was released by the Khronos Group. [50] This third major update to the API integrates 23 additional commonly-used proven Vulkan extensions into the base Vulkan standard. [51] Vulkan 1.3 focuses on reducing fragmentation by making the new features not optional in order for a device to be considered Vulkan 1.3 capable.
The unified shader model uses the same hardware resources for both vertex and fragment processing. In the field of 3D computer graphics, the unified shader model (known in Direct3D 10 as "Shader Model 4.0") refers to a form of shader hardware in a graphical processing unit (GPU) where all of the shader stages in the rendering pipeline (geometry, vertex, pixel, etc.) have the same capabilities.
The shader assembly language in Direct3D 8 and 9 is the main programming language for vertex and pixel shaders in Shader Model 1.0/1.1, 2.0, and 3.0. It is a direct representation of the intermediate shader bytecode which is passed to the graphics driver for execution.
The Time Stamp Counter was once a high-resolution, low-overhead way for a program to get CPU timing information. With the advent of multi-core/hyper-threaded CPUs, systems with multiple CPUs, and hibernating operating systems, the TSC cannot be relied upon to provide accurate results — unless great care is taken to correct the possible flaws: rate of tick and whether all cores (processors ...
J2SE 1.3: Just-in-time compiling by HotSpot. J2SE 1.4: See here, for a Sun overview of performance improvements between 1.3 and 1.4 versions. Java SE 5.0: Class data sharing [23] Java SE 6: Split bytecode verification; Escape analysis and lock coarsening; Register allocation improvements; Other improvements: Java OpenGL Java 2D pipeline speed ...