From aad0cbf024fb8077a9b375a093c60a7e2ab1db3d Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Wed, 9 Nov 2022 17:58:10 +0100
Subject: MacroHLE: Add HLE replacement for base vertex and base instance.

---
 src/video_core/engines/maxwell_3d.cpp | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

(limited to 'src/video_core/engines/maxwell_3d.cpp')

diff --git a/src/video_core/engines/maxwell_3d.cpp b/src/video_core/engines/maxwell_3d.cpp
index a0dd7400d..50d8a94b1 100644
--- a/src/video_core/engines/maxwell_3d.cpp
+++ b/src/video_core/engines/maxwell_3d.cpp
@@ -182,8 +182,14 @@ u32 Maxwell3D::GetMaxCurrentVertices() {
 size_t Maxwell3D::EstimateIndexBufferSize() {
     GPUVAddr start_address = regs.index_buffer.StartAddress();
     GPUVAddr end_address = regs.index_buffer.EndAddress();
-    return std::min<size_t>(memory_manager.GetMemoryLayoutSize(start_address),
-                            static_cast<size_t>(end_address - start_address));
+    constexpr std::array<size_t, 4> max_sizes = {
+        std::numeric_limits<u8>::max(), std::numeric_limits<u16>::max(),
+        std::numeric_limits<u32>::max(), std::numeric_limits<u32>::max()};
+    const size_t byte_size = regs.index_buffer.FormatSizeInBytes();
+    return std::min<size_t>(
+        memory_manager.GetMemoryLayoutSize(start_address, byte_size * max_sizes[byte_size]) /
+            byte_size,
+        static_cast<size_t>(end_address - start_address));
 }
 
 u32 Maxwell3D::ProcessShadowRam(u32 method, u32 argument) {
@@ -572,4 +578,9 @@ u32 Maxwell3D::GetRegisterValue(u32 method) const {
     return regs.reg_array[method];
 }
 
+void Maxwell3D::setHLEReplacementName(u32 bank, u32 offset, HLEReplaceName name) {
+    const u64 key = (static_cast<u64>(bank) << 32) | offset;
+    replace_table.emplace(key, name);
+}
+
 } // namespace Tegra::Engines
-- 
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