BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add support for ARB_gpu_shader_fp64

Browse source 
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"

Reference:
https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_gpu_shader_fp64.txt

Add support for implicit conversion

1. Remove builtin double vertex (this is introduced by vertex_attrib_64bit
2. Add extension check and implicit conversion as double has been introduced
3. Add test results.
This commit is contained in:
Chow 2019-11-26 17:27:33 +08:00
parent 6334d594f6
commit a3c7a25e10
11 changed files with 138 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

9
glslang/MachineIndependent/Scan.cpp
View file

@ -1166,7 +1166,10 @@ int TScanContext::tokenizeIdentifier()
case DVEC3:
case DVEC4:
afterType = true;
if (parseContext.isEsProfile() || parseContext.version < 400)
if (parseContext.isEsProfile() || parseContext.version < 150 ||
(!parseContext.symbolTable.atBuiltInLevel() &&
parseContext.version < 400 &&
!parseContext.extensionTurnedOn(E_GL_ARB_gpu_shader_fp64)))
reservedWord();
return keyword;
@ -1741,7 +1744,9 @@ int TScanContext::dMat()
return keyword;
}
if (!parseContext.isEsProfile() && parseContext.version >= 400)
if (!parseContext.isEsProfile() && (parseContext.version >= 400 ||
parseContext.symbolTable.atBuiltInLevel() ||
(parseContext.version >= 150 && parseContext.extensionTurnedOn(E_GL_ARB_gpu_shader_fp64))))
return keyword;
if (parseContext.isForwardCompatible())