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authorLiam <byteslice@airmail.cc>2022-03-14 15:11:28 +0100
committerLiam <byteslice@airmail.cc>2022-03-14 15:11:58 +0100
commit37aa472269df2e66af151c36822d0d248bec1a40 (patch)
treee04864aa36c9972e7ed23af4aa1f1862b967fd9b /src
parentMaxwell3D: Restrict topology override effect to after the register is set (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/engines/maxwell_3d.cpp23
-rw-r--r--src/video_core/engines/maxwell_3d.h16
2 files changed, 37 insertions, 2 deletions
diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index 92baba4e8..aa88984d4 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -370,8 +370,29 @@ void Maxwell3D::CallMethodFromMME(u32 method, u32 method_argument) {
}
void Maxwell3D::ProcessTopologyOverride() {
+ using PrimitiveTopology = Maxwell3D::Regs::PrimitiveTopology;
+ using PrimitiveTopologyOverride = Maxwell3D::Regs::PrimitiveTopologyOverride;
+
+ PrimitiveTopology topology{};
+
+ switch (regs.topology_override) {
+ case PrimitiveTopologyOverride::None:
+ case PrimitiveTopologyOverride::Points:
+ topology = PrimitiveTopology::Points;
+ break;
+ case PrimitiveTopologyOverride::Lines:
+ topology = PrimitiveTopology::Lines;
+ break;
+ case PrimitiveTopologyOverride::LineStrip:
+ topology = PrimitiveTopology::LineStrip;
+ break;
+ default:
+ topology = static_cast<PrimitiveTopology>(regs.topology_override);
+ break;
+ }
+
if (use_topology_override) {
- regs.draw.topology.Assign(regs.topology_override);
+ regs.draw.topology.Assign(topology);
}
}
diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h
index eefb7a4dd..513a9d5df 100644
--- a/src/video_core/engines/maxwell_3d.h
+++ b/src/video_core/engines/maxwell_3d.h
@@ -367,6 +367,20 @@ public:
Patches = 0xe,
};
+ enum class PrimitiveTopologyOverride : u32 {
+ None = 0x0,
+ Points = 0x1,
+ Lines = 0x2,
+ LineStrip = 0x3,
+ Triangles = 0x4,
+ TriangleStrip = 0x5,
+ LinesAdjacency = 0xa,
+ LineStripAdjacency = 0xb,
+ TrianglesAdjacency = 0xc,
+ TriangleStripAdjacency = 0xd,
+ Patches = 0xe,
+ };
+
enum class IndexFormat : u32 {
UnsignedByte = 0x0,
UnsignedShort = 0x1,
@@ -1251,7 +1265,7 @@ public:
INSERT_PADDING_WORDS_NOINIT(0xC);
- PrimitiveTopology topology_override;
+ PrimitiveTopologyOverride topology_override;
INSERT_PADDING_WORDS_NOINIT(0x12);