thirdpartymirrors/UnleashedRecomp
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Check for Mesa to enable the triangle strip workaround.

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This commit is contained in:
Skyth 2025-02-18 20:29:35 +03:00
parent c0117cb43a
commit 2b569ed306
1 changed files with 23 additions and 3 deletions
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26
UnleashedRecomp/gpu/video.cpp
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@ -285,6 +285,10 @@ static bool g_vulkan = false;
static constexpr bool g_vulkan = true;
#endif
#ifndef _WIN32
static bool g_mesaTriangleStripWorkaround = false;
#endif
static constexpr bool g_hardwareResolve = true;
static constexpr bool g_hardwareDepthResolve = true;
@ -1699,6 +1703,15 @@ bool Video::CreateHostDevice(const char *sdlVideoDriver)
g_vulkan = (interfaceFunction == CreateVulkanInterfaceWrapper);
#endif
#ifndef _WIN32
if (interfaceFunction == CreateVulkanInterfaceWrapper)
{
// Enable triangle strip workaround if we are on the Mesa RADV driver, as it currently has a bug where
// restart indices cause triangles to be culled incorrectly. Converting them to degenerate triangles fixes it.
g_mesaTriangleStripWorkaround = deviceDescription.name.find(" (RADV ") != std::string::npos;
}
#endif
break;
}
}
@ -2318,6 +2331,9 @@ static void DrawProfiler()
ImGui::Text("Present Wait: %s", g_capabilities.presentWait ? "Supported" : "Unsupported");
ImGui::Text("Triangle Fan: %s", g_capabilities.triangleFan ? "Supported" : "Unsupported");
ImGui::Text("Dynamic Depth Bias: %s", g_capabilities.dynamicDepthBias ? "Supported" : "Unsupported");
#ifndef _WIN32
ImGui::Text("Triangle Strip Workaround: %s", g_mesaTriangleStripWorkaround ? "Enabled" : "Disabled");
#endif
ImGui::NewLine();
ImGui::Text("API: %s", g_vulkan ? "Vulkan" : "D3D12");
@ -7402,6 +7418,8 @@ bool FxShadowMapMidAsmHook(PPCRegister& r4, PPCRegister& r5, PPCRegister& r6, PP
}
}
#ifndef _WIN32
// There is a driver bug on Mesa where restart indices cause incorrect culling and prevent some triangles from being rendered.
// Restart indices can be converted to degenerate triangles as a workaround until this issue gets fixed.
static void ConvertToDegenerateTriangles(uint16_t* indices, uint32_t indexCount, uint16_t*& newIndices, uint32_t& newIndexCount)
@ -7456,7 +7474,7 @@ PPC_FUNC(sub_82E44AF8)
uint16_t* newIndicesToFree = nullptr;
auto databaseData = reinterpret_cast<Hedgehog::Database::CDatabaseData*>(base + ctx.r3.u32);
if (!databaseData->IsMadeOne())
if (g_mesaTriangleStripWorkaround && !databaseData->IsMadeOne())
{
auto meshResource = reinterpret_cast<MeshResource*>(base + ctx.r4.u32);
@ -7519,7 +7537,7 @@ PPC_FUNC(sub_82E3AFC8)
uint16_t* newIndices = nullptr;
auto databaseData = reinterpret_cast<Hedgehog::Database::CDatabaseData*>(base + ctx.r3.u32);
if (!databaseData->IsMadeOne())
if (g_mesaTriangleStripWorkaround && !databaseData->IsMadeOne())
{
auto lightAndIndexBufferResource = reinterpret_cast<LightAndIndexBufferResourceV1*>(base + ctx.r4.u32);
@ -7558,7 +7576,7 @@ PPC_FUNC(sub_82E3B1C0)
uint16_t* newIndices = nullptr;
auto databaseData = reinterpret_cast<Hedgehog::Database::CDatabaseData*>(base + ctx.r3.u32);
if (!databaseData->IsMadeOne())
if (g_mesaTriangleStripWorkaround && !databaseData->IsMadeOne())
{
auto lightAndIndexBufferResource = reinterpret_cast<LightAndIndexBufferResourceV5*>(base + ctx.r4.u32);
@ -7583,6 +7601,8 @@ PPC_FUNC(sub_82E3B1C0)
g_userHeap.Free(newIndices);
}
#endif
GUEST_FUNCTION_HOOK(sub_82BD99B0, CreateDevice);
GUEST_FUNCTION_HOOK(sub_82BE6230, DestructResource);