Searching for Glsl Double Support information? Find all needed info by using official links provided below.
http://blog.hvidtfeldts.net/index.php/2012/07/double-precision-in-opengl-and-webgl/
Jul 10, 2012 · This post talks about double precision numbers in OpenGL and WebGL, and how to emulate them if there is no native hardware support. In GLSL 4.00.9 (which is OpenGL 4.0) and higher, there is a native double precision floating point type.
https://www.khronos.org/opengl/wiki/Core_Language_(GLSL)
The OpenGL Shading Language is a C-style language, so it covers most of the features you would expect with such a language. Control structures (for-loops, if-else statements, etc) exist in GLSL, including the switch statement. This section will not cover the entire language in detail; the GLSL specification can handle that. This Wiki page will note the differences between GLSL and C.
https://github.com/KhronosGroup/glslang/pull/1998/files
GLSL Version : >= 150 Purpose: Allow users to use features by enabling this extension, even in low versions. Extension Name: ARB_gpu_shader_fp64 Builtin-variables: Nah Builtin-functions: functions overloaded for this extension, please check registry in reference. Keywords: Double Features: add support for type "double", also related functions/builtin functions overloaded for DOUBLE. "double ...
https://community.khronos.org/t/divide-by-zero/63081
Mar 17, 2019 · From the GLSL 4.1 spec: The precision of stored single- and double-precision floating-point variables is defined by the IEEE 754 standard for 32-bit and 64-bit floating-point numbers. This includes support for NaNs (Not a Number) and Infs (positive or negative infinities).
https://community.khronos.org/t/simple-2-sided-shading/54943
Mar 17, 2019 · It is possible that the GF8800 does not have direct hw support for the double sided colors anymore and emulates them using two ordinary varyings and the front facing register. I did not need that functionality over the past few years so I do not know what the current state of performance and compatibility of both approaches is.
https://learnopengl.com/Getting-started/Shaders
GLSL has, like any other programming language, data types for specifying what kind of variable we want to work with. GLSL has most of the default basic types we know from languages like C: int, float, double, uint and bool. GLSL also features two container types that we'll be using a lot throughout the tutorials, namely vectors and matrices. We ...
https://people.eecs.ku.edu/~jrmiller/Courses/OpenGL/DataTypes.html
Starting with OpenGL 4 and GLSL 400, the GLSL language supports both float and double. Independent of OpenGL and GLSL versions, not all GPUs support double arithmetic. Notice that all GLSL programs should begin with a #version declaration that makes explicit which version of GLSL is assumed. It is permissible to use a GLSL shader program at a ...
https://stackoverflow.com/questions/2079906/float-vs-double-on-graphics-hardware
I've been trying to find info on performance of using float vs double on graphics hardware. I've found plenty of info on float vs double on CPUs, but such info is more scarce for GPUs. I code with OpenGL, so if there's any info specific to that API that you feel should be known, let's have at it.
https://en.wikipedia.org/wiki/OpenGL_4
The final OpenGL 2.0 specification includes support for GLSL. Longs Peak and OpenGL 3.0. Before the release of OpenGL 3.0, the new revision had the codename Longs Peak. At the time of its original announcement, Longs Peak was presented as the first major API revision in OpenGL's lifetime. It consisted of an overhaul to the way that OpenGL works ...Developer(s): Khronos Group, (formerly ARB)
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