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glsl: Implement fswzadd

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and wip nv thread shuffle impl
This commit is contained in:
ameerj 2021-06-08 01:55:12 -04:00
parent c542204113
commit 8bb8bbf4ae
5 changed files with 45 additions and 5 deletions
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11
src/shader_recompiler/backend/glsl/emit_context.cpp
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@ -306,6 +306,7 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
SetupImages(bindings);
SetupTextures(bindings);
DefineHelperFunctions();
DefineConstants();
}
void EmitContext::SetupExtensions(std::string&) {
@ -339,6 +340,9 @@ void EmitContext::SetupExtensions(std::string&) {
if (!info.uses_int64) {
header += "#extension GL_ARB_gpu_shader_int64 : enable\n";
}
if (profile.support_gl_warp_intrinsics) {
header += "#extension GL_NV_shader_thread_shuffle : enable\n";
}
}
if (info.stores_viewport_index && profile.support_viewport_index_layer_non_geometry &&
stage != Stage::Geometry) {
@ -605,4 +609,11 @@ void EmitContext::SetupTextures(Bindings& bindings) {
}
}
void EmitContext::DefineConstants() {
if (info.uses_fswzadd) {
header += "const float FSWZ_A[]=float[4](-1.f,1.f,-1.f,0.f);"
"const float FSWZ_B[]=float[4](-1.f,-1.f,1.f,-1.f);";
}
}
} // namespace Shader::Backend::GLSL