DataHearth/yuzu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #3338 from ReinUsesLisp/no-fastmath

Browse Source 
gl_shader_cache: Disable fastmath on Nvidia
This commit is contained in:
Fernando Sahmkow 2020-01-23 10:08:45 -04:00 committed by GitHub
commit 9c6b5cae68
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/video_core/renderer_opengl/gl_shader_cache.cpp
View File

@ -260,6 +260,10 @@ CachedProgram BuildShader(const Device& device, u64 unique_identifier, ShaderTyp
"#extension GL_NV_shader_thread_group : require\n"
"#extension GL_NV_shader_thread_shuffle : require\n";
}
// This pragma stops Nvidia's driver from over optimizing math (probably using fp16 operations)
// on places where we don't want to.
// Thanks to Ryujinx for finding this workaround.
source += "#pragma optionNV(fastmath off)\n";
if (shader_type == ShaderType::Geometry) {
const auto [glsl_topology, max_vertices] = GetPrimitiveDescription(variant.primitive_mode);