add playgo hack

src/common/emulatorConfig.cpp

@@ -101,6 +101,10 @@ bool ReadbackLinearImagesEnabled() {
 	return g_config->readback_linear_images;
 }
 
+bool PlayGoHackEnabled() {
+	return g_config->playgo_hack_enabled;
+}
+
 #if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
 bool RedZoneProtectionEnabled() {
 	return g_config->red_zone_protection_enabled;

src/common/emulatorConfig.h

@@ -51,6 +51,7 @@ struct ConfigOptions {
 	bool                   spirv_debug_printf_enabled  = false;
 	bool                   renderdoc_enabled           = false;
 	bool                   readback_linear_images      = false;
+	bool                   playgo_hack_enabled         = false;
 #if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
 	bool red_zone_protection_enabled = false;
 #endif
@@ -85,6 +86,7 @@ bool SpirvDebugPrintfEnabled();
 
 bool RenderDocEnabled();
 bool ReadbackLinearImagesEnabled();
+bool PlayGoHackEnabled();
 #if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
 bool RedZoneProtectionEnabled();
 #endif

src/libs/libPlayGo.cpp

@@ -1,6 +1,7 @@
 #include "common/abi.h"
 #include "common/assert.h"
 #include "common/common.h"
+#include "common/emulatorConfig.h"
 #include "common/logging/log.h"
 #include "common/stringUtils.h"
 #include "libs/errno.h"
@@ -23,6 +24,7 @@ static constexpr int8_t   PLAYGO_LOCUS_LOCAL_FAST       = 3;
 static constexpr int32_t  PLAYGO_INSTALL_SPEED_FULL     = 2;
 static constexpr int32_t  PLAYGO_OPTIONAL_TYPE_LANGUAGE = 0;
 static constexpr int32_t  PLAYGO_OPTIONAL_TYPE_SCENARIO = 1;
+static constexpr uint32_t PLAYGO_DEFAULT_CHUNKS_NUM     = 1000;
 static constexpr uint64_t PLAYGO_LANGUAGE_MASK_ALL      = 0xffffffffffffffffull;
 static constexpr uint64_t PLAYGO_SCENARIO_MASK_ALL      = 0x1full;
 
@@ -96,6 +98,11 @@ int KYTY_SYSV_ABI PlayGoInitialize(const PlayGoInitParams* init) {
 	     "\t reserved = %" PRId32 "\n",
 	     reinterpret_cast<uint64_t>(init->buf_addr), init->buf_size, init->reserved);
 
+	if (Config::PlayGoHackEnabled() && !ensure_chunks_loaded()) {
+		g_chunks_num = PLAYGO_DEFAULT_CHUNKS_NUM;
+		LOGF("\t playgo_hack chunks = %" PRIu32 "\n", g_chunks_num);
+	}
+
 	return OK;
 }
 

src/main.cpp

@@ -64,6 +64,7 @@ static void PrintUsage() {
 	::printf("  --spirv-debug-printf <true|false>    Enable SPIR-V debug printf.\n");
 	::printf(
 	    "  --readback-linear-images <true|false> Read back writable linear images on submit.\n");
+	::printf("  --playgo-hack                       Use the supplied PlayGo stub fallback.\n");
 #if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
 	::printf("  --redzone                            Protect the guest SysV red zone.\n");
 #endif
@@ -141,6 +142,11 @@ static bool ParseArgs(int argc, char* argv[], RunOptions& options, bool& show_he
 			continue;
 		}
 
+		if (arg == "--playgo-hack") {
+			options.config.playgo_hack_enabled = true;
+			continue;
+		}
+
 #if KYTY_PLATFORM == KYTY_PLATFORM_WINDOWS
 		if (arg == "--redzone") {
 			options.config.red_zone_protection_enabled = true;