xenia-project/xenia
1
0
Fork 0
mirror of https://github.com/xenia-project/xenia.git synced 2025-12-06 07:12:03 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

[D3D12] Added workaround for broken Geometry Shader in AMD 7900 Series GPU

Browse source
This commit is contained in:
Gliniak 2022-12-31 11:27:01 +01:00
parent 26415cb8b1
commit 2afd2cc4d6
1 changed files with 13 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
src/xenia/gpu/d3d12/pipeline_cache.cc
View file

@ -61,6 +61,10 @@ DEFINE_int32(
DEFINE_bool(d3d12_tessellation_wireframe, false, DEFINE_bool(d3d12_tessellation_wireframe, false,
"Display tessellated surfaces as wireframe for debugging.", "Display tessellated surfaces as wireframe for debugging.",
"D3D12"); "D3D12");
DEFINE_bool(d3d12_remove_retc_from_geometry_shader, false,
"[ONLY FOR AMD 7900 Series GPU] Workaround for broken Geometry "
"Shader. Warning! Might cause issues and hardlocks!",
"D3D12");
namespace xe { namespace xe {
namespace gpu { namespace gpu {
@ -2404,8 +2408,10 @@ void PipelineCache::CreateDxbcGeometryShader(
dxbc::Src::R(0, 0b1110)); dxbc::Src::R(0, 0b1110));
a.OpOr(dxbc::Dest::R(0, 0b0001), dxbc::Src::R(0, dxbc::Src::kXXXX), a.OpOr(dxbc::Dest::R(0, 0b0001), dxbc::Src::R(0, dxbc::Src::kXXXX),
dxbc::Src::R(0, dxbc::Src::kYYYY)); dxbc::Src::R(0, dxbc::Src::kYYYY));
if (!cvars::d3d12_remove_retc_from_geometry_shader) {
a.OpRetC(true, dxbc::Src::R(0, dxbc::Src::kXXXX)); a.OpRetC(true, dxbc::Src::R(0, dxbc::Src::kXXXX));
} }
}
// Cull the whole primitive if any cull distance for all vertices in the // Cull the whole primitive if any cull distance for all vertices in the
// primitive is < 0. // primitive is < 0.
@ -2430,9 +2436,11 @@ void PipelineCache::CreateDxbcGeometryShader(
a.OpAnd(dxbc::Dest::R(0, 0b0001), dxbc::Src::R(0, dxbc::Src::kXXXX), a.OpAnd(dxbc::Dest::R(0, 0b0001), dxbc::Src::R(0, dxbc::Src::kXXXX),
dxbc::Src::R(0, dxbc::Src::kYYYY)); dxbc::Src::R(0, dxbc::Src::kYYYY));
} }
if (!cvars::d3d12_remove_retc_from_geometry_shader) {
a.OpRetC(true, dxbc::Src::R(0, dxbc::Src::kXXXX)); a.OpRetC(true, dxbc::Src::R(0, dxbc::Src::kXXXX));
} }
} }
}
switch (key.type) { switch (key.type) {
case PipelineGeometryShader::kPointList: { case PipelineGeometryShader::kPointList: {
@ -2473,8 +2481,10 @@ void PipelineCache::CreateDxbcGeometryShader(
for (uint32_t i = 0; i < 2; ++i) { for (uint32_t i = 0; i < 2; ++i) {
a.OpLT(dxbc::Dest::R(0, 0b0100), dxbc::Src::LF(0.0f), a.OpLT(dxbc::Dest::R(0, 0b0100), dxbc::Src::LF(0.0f),
point_size_src.SelectFromSwizzled(i)); point_size_src.SelectFromSwizzled(i));
if (!cvars::d3d12_remove_retc_from_geometry_shader) {
a.OpRetC(false, dxbc::Src::R(0, dxbc::Src::kZZZZ)); a.OpRetC(false, dxbc::Src::R(0, dxbc::Src::kZZZZ));
} }
}
// Transform the diameter in the guest screen coordinates to radius in the // Transform the diameter in the guest screen coordinates to radius in the
// normalized device coordinates, and then to the clip space by // normalized device coordinates, and then to the clip space by
// multiplying by W. // multiplying by W.