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Add support for ARB_gpu_shader_fp64

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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

8
glslang/MachineIndependent/Initialize.cpp
View file

@ -690,7 +690,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
//
// double functions added to desktop 4.00, but not fma, frexp, ldexp, or pack/unpack
//
if (profile != EEsProfile && version >= 400) {
if (profile != EEsProfile && version >= 150) { // ARB_gpu_shader_fp64
commonBuiltins.append(
"double sqrt(double);"
@ -1298,15 +1298,15 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"vec3 fma(vec3, vec3, vec3 );"
"vec4 fma(vec4, vec4, vec4 );"
"\n");
}
if (profile != EEsProfile) {
if (profile != EEsProfile && version >= 150) { // ARB_gpu_shader_fp64
commonBuiltins.append(
"double fma(double, double, double);"
"dvec2 fma(dvec2, dvec2, dvec2 );"
"dvec3 fma(dvec3, dvec3, dvec3 );"
"dvec4 fma(dvec4, dvec4, dvec4 );"
"\n");
}
}
if ((profile == EEsProfile && version >= 310) ||
@ -1325,7 +1325,7 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"\n");
}
if (profile != EEsProfile && version >= 400) {
if (profile != EEsProfile && version >= 150) { // ARB_gpu_shader_fp64
commonBuiltins.append(
"double frexp(double, out int);"
"dvec2 frexp( dvec2, out ivec2);"