config: Add toggle for DMA (#3185)

* config: Add toggle for DMA

* config: Log new config

src/common/config.cpp

@@ -52,6 +52,7 @@ static std::string isSideTrophy = "right";
 static bool isNullGpu = false;
 static bool shouldCopyGPUBuffers = false;
 static bool readbacksEnabled = false;
+static bool directMemoryAccessEnabled = false;
 static bool shouldDumpShaders = false;
 static bool shouldPatchShaders = true;
 static u32 vblankDivider = 1;
@@ -245,6 +246,10 @@ bool readbacks() {
     return readbacksEnabled;
 }
 
+bool directMemoryAccess() {
+    return directMemoryAccessEnabled;
+}
+
 bool dumpShaders() {
     return shouldDumpShaders;
 }
@@ -353,6 +358,10 @@ void setReadbacks(bool enable) {
     readbacksEnabled = enable;
 }
 
+void setDirectMemoryAccess(bool enable) {
+    directMemoryAccessEnabled = enable;
+}
+
 void setDumpShaders(bool enable) {
     shouldDumpShaders = enable;
 }
@@ -596,6 +605,7 @@ void load(const std::filesystem::path& path) {
         isNullGpu = toml::find_or<bool>(gpu, "nullGpu", false);
         shouldCopyGPUBuffers = toml::find_or<bool>(gpu, "copyGPUBuffers", false);
         readbacksEnabled = toml::find_or<bool>(gpu, "readbacks", false);
+        directMemoryAccessEnabled = toml::find_or<bool>(gpu, "directMemoryAccess", false);
         shouldDumpShaders = toml::find_or<bool>(gpu, "dumpShaders", false);
         shouldPatchShaders = toml::find_or<bool>(gpu, "patchShaders", true);
         vblankDivider = toml::find_or<int>(gpu, "vblankDivider", 1);
@@ -746,6 +756,7 @@ void save(const std::filesystem::path& path) {
     data["GPU"]["nullGpu"] = isNullGpu;
     data["GPU"]["copyGPUBuffers"] = shouldCopyGPUBuffers;
     data["GPU"]["readbacks"] = readbacksEnabled;
+    data["GPU"]["directMemoryAccess"] = directMemoryAccessEnabled;
     data["GPU"]["dumpShaders"] = shouldDumpShaders;
     data["GPU"]["patchShaders"] = shouldPatchShaders;
     data["GPU"]["vblankDivider"] = vblankDivider;

src/common/config.h

@@ -47,6 +47,8 @@ bool copyGPUCmdBuffers();
 void setCopyGPUCmdBuffers(bool enable);
 bool readbacks();
 void setReadbacks(bool enable);
+bool directMemoryAccess();
+void setDirectMemoryAccess(bool enable);
 bool dumpShaders();
 void setDumpShaders(bool enable);
 u32 vblankDiv();