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VideoCommon/BPStructs: Add a missing bounds check

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Happened to find this when working on the previous commit.
This commit is contained in:
JosJuice 2024-04-13 18:50:33 +02:00
parent 3cfa233b63
commit c204b33314
1 changed files with 9 additions and 6 deletions
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3
Source/Core/VideoCommon/BPStructs.cpp
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@ -589,6 +589,8 @@ static void BPWritten(PixelShaderManager& pixel_shader_manager, XFStateManager&
u32 tmem_addr_even = tmem_cfg.preload_tmem_even * TMEM_LINE_SIZE; u32 tmem_addr_even = tmem_cfg.preload_tmem_even * TMEM_LINE_SIZE;
if (tmem_cfg.preload_tile_info.type != 3) if (tmem_cfg.preload_tile_info.type != 3)
{
if (tmem_addr_even < TMEM_SIZE)
{ {
bytes_read = tmem_cfg.preload_tile_info.count * TMEM_LINE_SIZE; bytes_read = tmem_cfg.preload_tile_info.count * TMEM_LINE_SIZE;
if (tmem_addr_even + bytes_read > TMEM_SIZE) if (tmem_addr_even + bytes_read > TMEM_SIZE)
@ -598,6 +600,7 @@ static void BPWritten(PixelShaderManager& pixel_shader_manager, XFStateManager&
auto& memory = system.GetMemory(); auto& memory = system.GetMemory();
memory.CopyFromEmu(s_tex_mem.data() + tmem_addr_even, src_addr, bytes_read); memory.CopyFromEmu(s_tex_mem.data() + tmem_addr_even, src_addr, bytes_read);
} }
}
else // RGBA8 tiles (and CI14, but that might just be stupid libogc!) else // RGBA8 tiles (and CI14, but that might just be stupid libogc!)
{ {
auto& system = Core::System::GetInstance(); auto& system = Core::System::GetInstance();