PSP: Factored out thread creation routines into PspThreadable class.

This should aid in further optimizations.

svn-id: r51685

1 files changed, 8 insertions, 22 deletions

diff --git a/backends/platform/psp/display_manager.cpp b/backends/platform/psp/display_manager.cpp
index a9f33f6091..5037543f12 100644
--- a/backends/platform/psp/display_manager.cpp
+++ b/backends/platform/psp/display_manager.cpp
@@ -34,7 +34,6 @@
 #include "backends/platform/psp/default_display_client.h"
 #include "backends/platform/psp/cursor.h"
 #include "backends/platform/psp/pspkeyboard.h"
-#include "backends/platform/psp/thread.h"
 
 #define USE_DISPLAY_CALLBACK	// to use callback for finishing the render
 #include "backends/platform/psp/display_manager.h"
@@ -65,37 +64,24 @@ const OSystem::GraphicsMode DisplayManager::_supportedModes[] = {
 
 void MasterGuRenderer::setupCallbackThread() {
 	DEBUG_ENTER_FUNC();
-	int thid = sceKernelCreateThread("displayCbThread", guCallbackThread, PRIORITY_DISPLAY_THREAD, STACK_DISPLAY_THREAD, THREAD_ATTR_USER, 0);
 	
-	PSP_DEBUG_PRINT("Display CB thread id is %x\n", thid);
-	
-	// We want to pass the pointer to this, but we'll have to take address of this so use a little trick
-	MasterGuRenderer *_this = this;
-	
-	if (thid >= 0) {
-		sceKernelStartThread(thid, sizeof(uint32 *), &_this);
-	} else 
-		PSP_ERROR("failed to create display callback thread\n");
+	// start the thread that updates the display
+	threadCreateAndStart("DisplayCbThread", PRIORITY_DISPLAY_THREAD, STACK_DISPLAY_THREAD);		
 }
 
-// thread that reacts to the callback
-int MasterGuRenderer::guCallbackThread(SceSize, void *__this) {
+// this function gets called by PspThread when starting the new thread
+void MasterGuRenderer::threadFunction() {
 	DEBUG_ENTER_FUNC();
 	
-	// Dereferenced the copied value which was this
-	MasterGuRenderer *_this = *(MasterGuRenderer **)__this;
-	
 	// Create the callback. It should always get the pointer to MasterGuRenderer
-	_this->_callbackId = sceKernelCreateCallback("Display Callback", guCallback, _this);
-	if (_this->_callbackId < 0) {
-		PSP_ERROR("failed to create display callback\n");
-		return -1;
+	_callbackId = sceKernelCreateCallback("Display Callback", guCallback, this);
+	if (_callbackId < 0) {
+		PSP_ERROR("failed to create display callback\n");		
 	}
 	
 	PSP_DEBUG_PRINT("created callback. Going to sleep\n");
 
-	sceKernelSleepThreadCB();	// sleep until we get a callback
-	return 0;
+	sceKernelSleepThreadCB();	// sleep until we get a callback	
 }
 
 // This callback is called when the render is finished. It swaps the buffers