summaryrefslogtreecommitdiff
path: root/Source/Core/VideoCommon/CPMemory.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'Source/Core/VideoCommon/CPMemory.cpp')
-rw-r--r--Source/Core/VideoCommon/CPMemory.cpp169
1 files changed, 168 insertions, 1 deletions
diff --git a/Source/Core/VideoCommon/CPMemory.cpp b/Source/Core/VideoCommon/CPMemory.cpp
index afa354b4e4..4781595e8c 100644
--- a/Source/Core/VideoCommon/CPMemory.cpp
+++ b/Source/Core/VideoCommon/CPMemory.cpp
@@ -2,7 +2,13 @@
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/CPMemory.h"
+
+#include <cstring>
+
#include "Common/ChunkFile.h"
+#include "Common/Logging/Log.h"
+#include "Core/DolphinAnalytics.h"
+#include "VideoCommon/CommandProcessor.h"
// CP state
CPState g_main_cp_state;
@@ -28,7 +34,7 @@ void DoCPState(PointerWrap& p)
void CopyPreprocessCPStateFromMain()
{
- memcpy(&g_preprocess_cp_state, &g_main_cp_state, sizeof(CPState));
+ std::memcpy(&g_preprocess_cp_state, &g_main_cp_state, sizeof(CPState));
}
std::pair<std::string, std::string> GetCPRegInfo(u8 cmd, u32 value)
@@ -73,3 +79,164 @@ std::pair<std::string, std::string> GetCPRegInfo(u8 cmd, u32 value)
return std::make_pair(fmt::format("Invalid CP register {:02x} = {:08x}", cmd, value), "");
}
}
+
+CPState::CPState(const u32* memory) : CPState()
+{
+ matrix_index_a.Hex = memory[MATINDEX_A];
+ matrix_index_b.Hex = memory[MATINDEX_B];
+ vtx_desc.low.Hex = memory[VCD_LO];
+ vtx_desc.high.Hex = memory[VCD_HI];
+
+ for (u32 i = 0; i < CP_NUM_VAT_REG; i++)
+ {
+ vtx_attr[i].g0.Hex = memory[CP_VAT_REG_A + i];
+ vtx_attr[i].g1.Hex = memory[CP_VAT_REG_B + i];
+ vtx_attr[i].g2.Hex = memory[CP_VAT_REG_C + i];
+ }
+
+ for (u32 i = 0; i < CP_NUM_ARRAYS; i++)
+ {
+ array_bases[static_cast<CPArray>(i)] = memory[ARRAY_BASE + i];
+ array_strides[static_cast<CPArray>(i)] = memory[ARRAY_STRIDE + i];
+ }
+}
+
+void CPState::LoadCPReg(u8 sub_cmd, u32 value)
+{
+ switch (sub_cmd & CP_COMMAND_MASK)
+ {
+ case UNKNOWN_00:
+ case UNKNOWN_10:
+ case UNKNOWN_20:
+ if (!(sub_cmd == UNKNOWN_20 && value == 0))
+ {
+ // All titles using libogc or the official SDK issue 0x20 with value=0 on startup
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_CP_PERF_COMMAND);
+ DEBUG_LOG_FMT(VIDEO, "Unknown CP command possibly relating to perf queries used: {:02x}",
+ sub_cmd);
+ }
+ break;
+
+ case MATINDEX_A:
+ if (sub_cmd != MATINDEX_A)
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO,
+ "CP MATINDEX_A: an exact value of {:02x} was expected "
+ "but instead a value of {:02x} was seen",
+ MATINDEX_A, sub_cmd);
+ }
+
+ matrix_index_a.Hex = value;
+ break;
+
+ case MATINDEX_B:
+ if (sub_cmd != MATINDEX_B)
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO,
+ "CP MATINDEX_B: an exact value of {:02x} was expected "
+ "but instead a value of {:02x} was seen",
+ MATINDEX_B, sub_cmd);
+ }
+
+ matrix_index_b.Hex = value;
+ break;
+
+ case VCD_LO:
+ if (sub_cmd != VCD_LO) // Stricter than YAGCD
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO,
+ "CP VCD_LO: an exact value of {:02x} was expected "
+ "but instead a value of {:02x} was seen",
+ VCD_LO, sub_cmd);
+ }
+
+ vtx_desc.low.Hex = value;
+ attr_dirty = BitSet32::AllTrue(CP_NUM_VAT_REG);
+ bases_dirty = true;
+ break;
+
+ case VCD_HI:
+ if (sub_cmd != VCD_HI) // Stricter than YAGCD
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO,
+ "CP VCD_HI: an exact value of {:02x} was expected "
+ "but instead a value of {:02x} was seen",
+ VCD_HI, sub_cmd);
+ }
+
+ vtx_desc.high.Hex = value;
+ attr_dirty = BitSet32::AllTrue(CP_NUM_VAT_REG);
+ bases_dirty = true;
+ break;
+
+ case CP_VAT_REG_A:
+ if ((sub_cmd - CP_VAT_REG_A) >= CP_NUM_VAT_REG)
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO, "CP_VAT_REG_A: Invalid VAT {}", sub_cmd - CP_VAT_REG_A);
+ }
+ vtx_attr[sub_cmd & CP_VAT_MASK].g0.Hex = value;
+ attr_dirty[sub_cmd & CP_VAT_MASK] = true;
+ break;
+
+ case CP_VAT_REG_B:
+ if ((sub_cmd - CP_VAT_REG_B) >= CP_NUM_VAT_REG)
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO, "CP_VAT_REG_B: Invalid VAT {}", sub_cmd - CP_VAT_REG_B);
+ }
+ vtx_attr[sub_cmd & CP_VAT_MASK].g1.Hex = value;
+ attr_dirty[sub_cmd & CP_VAT_MASK] = true;
+ break;
+
+ case CP_VAT_REG_C:
+ if ((sub_cmd - CP_VAT_REG_C) >= CP_NUM_VAT_REG)
+ {
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_MAYBE_INVALID_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO, "CP_VAT_REG_C: Invalid VAT {}", sub_cmd - CP_VAT_REG_C);
+ }
+ vtx_attr[sub_cmd & CP_VAT_MASK].g2.Hex = value;
+ attr_dirty[sub_cmd & CP_VAT_MASK] = true;
+ break;
+
+ // Pointers to vertex arrays in GC RAM
+ case ARRAY_BASE:
+ array_bases[static_cast<CPArray>(sub_cmd & CP_ARRAY_MASK)] =
+ value & CommandProcessor::GetPhysicalAddressMask();
+ bases_dirty = true;
+ break;
+
+ case ARRAY_STRIDE:
+ array_strides[static_cast<CPArray>(sub_cmd & CP_ARRAY_MASK)] = value & 0xFF;
+ break;
+
+ default:
+ DolphinAnalytics::Instance().ReportGameQuirk(GameQuirk::USES_UNKNOWN_CP_COMMAND);
+ WARN_LOG_FMT(VIDEO, "Unknown CP register {:02x} set to {:08x}", sub_cmd, value);
+ }
+}
+
+void CPState::FillCPMemoryArray(u32* memory) const
+{
+ memory[MATINDEX_A] = matrix_index_a.Hex;
+ memory[MATINDEX_B] = matrix_index_b.Hex;
+ memory[VCD_LO] = vtx_desc.low.Hex;
+ memory[VCD_HI] = vtx_desc.high.Hex;
+
+ for (int i = 0; i < CP_NUM_VAT_REG; ++i)
+ {
+ memory[CP_VAT_REG_A + i] = vtx_attr[i].g0.Hex;
+ memory[CP_VAT_REG_B + i] = vtx_attr[i].g1.Hex;
+ memory[CP_VAT_REG_C + i] = vtx_attr[i].g2.Hex;
+ }
+
+ for (int i = 0; i < CP_NUM_ARRAYS; ++i)
+ {
+ memory[ARRAY_BASE + i] = array_bases[static_cast<CPArray>(i)];
+ memory[ARRAY_STRIDE + i] = array_strides[static_cast<CPArray>(i)];
+ }
+}