diff --git a/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp b/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp
index dd8f4a511..49b885197 100644
--- a/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp
+++ b/core/libs/prx/libSceAgcDriver/Graphics/src/State.cpp
@@ -677,6 +677,7 @@ State DecodeState(const QueueState& queue, bool vertexWorkgroup) {
     switch (primitive) {
         case 1: Require(result.stages.mesh.has_value(), "point-list vertex rendering requires point-size output support"); result.topology = VK_PRIMITIVE_TOPOLOGY_POINT_LIST; break;
         case 2: result.topology = VK_PRIMITIVE_TOPOLOGY_LINE_LIST; break;
+        case 3: result.topology = VK_PRIMITIVE_TOPOLOGY_LINE_STRIP; break;
         case 7:
         case 17:
             Require(result.stages.path == ShaderPath::Vertex, "rect-list requires vertex routing");
@@ -751,7 +752,7 @@ State DecodeState(const QueueState& queue, bool vertexWorkgroup) {
     const auto raster = read(cx, 0x205);
     // Bits 5-10 give the front/back polygon type (2 = filled triangles), which POLY_MODE (bit 3) turns on
     // explicitly; KEEP_TOGETHER_ENABLE (bit 24) only affects primitive distribution across the chip.
-    const bool pointsOrLines = result.topology == VK_PRIMITIVE_TOPOLOGY_POINT_LIST || result.topology == VK_PRIMITIVE_TOPOLOGY_LINE_LIST;
+    const bool pointsOrLines = result.topology == VK_PRIMITIVE_TOPOLOGY_POINT_LIST || result.topology == VK_PRIMITIVE_TOPOLOGY_LINE_LIST || result.topology == VK_PRIMITIVE_TOPOLOGY_LINE_STRIP;
     const auto lineOffset = (raster & 0x1800u) != 0 && !pointsOrLines ? 0x2000u : 0u;
     const auto rasterMode = raster & ~0x7u & ~(1u << 24u) & ~0x1800u & ~lineOffset & ~(1u << 19u) & ~(1u << 16u);
     if (rasterMode != 0 && rasterMode != 0x240u && rasterMode != 0x248u) throw std::runtime_error("AGC graphics: " + zeroMessage(0x205, raster, "polygon mode, depth bias or nonstandard rasterization"));
@@ -956,7 +957,8 @@ ShaderRecompiler::RasterPrimitive RasterPrimitiveOf(const State& state) {
     if (state.stages.mesh.has_value() || state.stages.tessellation.has_value()) return ShaderRecompiler::RasterPrimitive::Triangle;
     switch (state.topology) {
         case VK_PRIMITIVE_TOPOLOGY_POINT_LIST: return ShaderRecompiler::RasterPrimitive::Point;
-        case VK_PRIMITIVE_TOPOLOGY_LINE_LIST: return ShaderRecompiler::RasterPrimitive::Line;
+        case VK_PRIMITIVE_TOPOLOGY_LINE_LIST:
+        case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP: return ShaderRecompiler::RasterPrimitive::Line;
         default: return ShaderRecompiler::RasterPrimitive::Triangle;
     }
 }
diff --git a/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp b/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
index fcc2e665c..5a11d9a3d 100644
--- a/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
+++ b/core/libs/prx/libSceAgcDriver/tests/Graphics.cpp
@@ -1578,6 +1578,8 @@ void DepthBoundsBiasTests() {
     queue.context[0x80] = 0;
     queue.userConfig[0x242] = 2;
     expectFailure([&] { AgcDriver::Graphics::DecodeState(queue); }, "polygon mode, depth bias or nonstandard rasterization");
+    queue.userConfig[0x242] = 3;
+    expectFailure([&] { AgcDriver::Graphics::DecodeState(queue); }, "polygon mode, depth bias or nonstandard rasterization");
     queue.userConfig[0x242] = 4;
     queue.context[0x205] = 0x00001a4au;
     queue.context[0x2de] = 0x1f0u;
@@ -4124,6 +4126,23 @@ void aliasedBufferViewTests() {
     }
 }
 
+void LineStripTests() {
+    using namespace AgcDriver::Graphics;
+    auto queue = makeState();
+    queue.context[0x1b3] = 2;
+    queue.context[0x1b4] = 2;
+    queue.userConfig[0x242] = 3;
+    auto state = DecodeState(queue);
+    Require(state.topology == VK_PRIMITIVE_TOPOLOGY_LINE_STRIP && !state.rectList && !state.primitiveRestart, "primitive type 3 did not decode as a line strip");
+    Require(RasterPrimitiveOf(state) == ShaderRecompiler::RasterPrimitive::Line, "a line strip draw did not get the line primitive class");
+    queue.userConfig[0x24b] = 1;
+    queue.context[0x103] = 0xffffffffu;
+    state = DecodeState(queue);
+    Require(state.topology == VK_PRIMITIVE_TOPOLOGY_LINE_STRIP && state.primitiveRestart, "primitive restart was lost on a line strip");
+    const auto rejection = DrawRejection(queue, true);
+    Require(rejection.empty(), "the draw precheck rejected an indexed line strip with primitive restart: " + rejection);
+}
+
 void ProvokingVertexTests() {
     using namespace AgcDriver::Graphics;
     constexpr std::uint32_t lastVertex = 1u << 19u;
@@ -4132,7 +4151,7 @@ void ProvokingVertexTests() {
     queue.context[0x1b4] = 2;
     const auto first = DecodeState(queue);
     Require(first.provokingVertexMode == VK_PROVOKING_VERTEX_MODE_FIRST_VERTEX_EXT, "the default provoking vertex is not first");
-    for (const auto primitive : {2u, 4u, 5u, 6u}) {
+    for (const auto primitive : {2u, 3u, 4u, 5u, 6u}) {
         queue.userConfig[0x242] = primitive;
         for (const auto last : {false, true, false}) {
             queue.context[0x205] = 0x240u | (last ? lastVertex : 0u);
@@ -5173,6 +5192,7 @@ int main(int argc, char** argv) {
         orderedPixelShaderTests();
         stencilRefExportTests();
         aliasedBufferViewTests();
+        LineStripTests();
         ProvokingVertexTests();
         ProvokingVertexRenderPassTests();
         ConservativeRasterizationTests();