Some realtime profiling stuff. Enable FZ (flush-to-zero) mode.

CMakeLists.txt

@@ -112,6 +112,7 @@ if(NOT MSVC)
 	add_definitions(-O2)
 	add_definitions(-Wno-multichar)
 	add_definitions(-fno-strict-aliasing)
+	add_definitions(-ffast-math)
 	if(NOT APPLE)
 		add_definitions(-Wno-psabi)
 		add_definitions(-D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED -D__BSD_VISIBLE=1)

Core/HLE/sceDisplay.cpp

@@ -211,6 +211,9 @@ void hleEnterVblank(u64 userdata, int cyclesLate) {
 		char stats[512];
 		sprintf(stats,
 			"Frames: %i\n"
+			"DL processing time: %0.2f ms\n"
+			"Kernel processing time: %0.2f ms\n"
+			"Slowest syscall: %s : %0.2f ms\n"
 			"Draw calls: %i\n"
 			"Draw flushes: %i\n"
 			"Vertices Transformed: %i\n"
@@ -221,6 +224,10 @@ void hleEnterVblank(u64 userdata, int cyclesLate) {
 			"Fragment shaders loaded: %i\n"
 			"Combined shaders loaded: %i\n",
 			gpuStats.numFrames,
+			gpuStats.msProcessingDisplayLists * 1000.0f,
+			kernelStats.msInSyscalls * 1000.0f,
+			kernelStats.slowestSyscallName ? kernelStats.slowestSyscallName : "(none)",
+			kernelStats.slowestSyscallTime * 1000.0f,
 			gpuStats.numDrawCalls,
 			gpuStats.numFlushes,
 			gpuStats.numVertsTransformed,
@@ -238,6 +245,7 @@ void hleEnterVblank(u64 userdata, int cyclesLate) {
 		PPGeEnd();
 
 		gpuStats.resetFrame();
+		kernelStats.ResetFrame();
 	}
 
 	host->EndFrame();

GPU/GLES/DisplayListInterpreter.cpp

@@ -199,7 +199,7 @@ void GLES_GPU::DumpNextFrame() {
 }
 
 void GLES_GPU::BeginFrame() {
-	TextureCache_Decimate();
+	TextureCache_StartFrame();
 
 	if (dumpNextFrame_) {
 		NOTICE_LOG(G3D, "DUMPING THIS FRAME");

GPU/GLES/Framebuffer.cpp

@@ -166,7 +166,8 @@ void FramebufferManager::DrawActiveTexture(float w, float h, bool flip) {
 	Matrix4x4 ortho;
 	ortho.setOrtho(0, 480, 272, 0, -1, 1);
 	glUniformMatrix4fv(draw2dprogram->u_viewproj, 1, GL_FALSE, ortho.getReadPtr());
-
+	glBindBuffer(GL_ARRAY_BUFFER, 0);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
 	glEnableVertexAttribArray(draw2dprogram->a_position);
 	glEnableVertexAttribArray(draw2dprogram->a_texcoord0);
 	glVertexAttribPointer(draw2dprogram->a_position, 3, GL_FLOAT, GL_FALSE, 12, pos);

GPU/GLES/TextureCache.cpp

@@ -598,6 +598,13 @@ void convertColors(u8 *finalBuf, GLuint dstFmt, int numPixels) {
 	}
 }
 
+int lastBoundTexture = -1;
+
+void TextureCache_StartFrame() {
+	lastBoundTexture = -1;
+	TextureCache_Decimate();
+}
+
 void PSPSetTexture() {
 	u32 texaddr = (gstate.texaddr[0] & 0xFFFFF0) | ((gstate.texbufwidth[0]<<8) & 0xFF000000);
 	texaddr &= 0xFFFFFFF;
@@ -656,7 +663,10 @@ void PSPSetTexture() {
 		if (match) {
 			//got one!
 			entry.frameCounter = gpuStats.numFrames;
-			glBindTexture(GL_TEXTURE_2D, entry.texture);
+			if (entry.texture != lastBoundTexture) {
+				glBindTexture(GL_TEXTURE_2D, entry.texture);
+				lastBoundTexture = entry.texture;
+			}
 			UpdateSamplingParams(entry, false);
 			DEBUG_LOG(G3D, "Texture at %08x Found in Cache, applying", texaddr);
 			return; //Done!

GPU/GLES/TextureCache.h

@@ -24,6 +24,7 @@ void PSPSetTexture();
 void TextureCache_Init();
 void TextureCache_Shutdown();
 void TextureCache_Clear(bool delete_them);
+void TextureCache_StartFrame();
 void TextureCache_Decimate();  // Run this once per frame to get rid of old textures.
 void TextureCache_Invalidate(u32 addr, int size, bool force);
 void TextureCache_InvalidateAll(bool force);

GPU/GPUCommon.cpp

@@ -1,3 +1,4 @@
+#include "base/timeutil.h"
 #include "../Core/MemMap.h"
 #include "GeDisasm.h"
 #include "GPUCommon.h"
@@ -41,7 +42,6 @@ u32 GPUCommon::EnqueueList(u32 listpc, u32 stall, int subIntrBase, bool head)
 
 void GPUCommon::UpdateStall(int listid, u32 newstall)
 {
-	
 	for (auto iter = dlQueue.begin(); iter != dlQueue.end(); ++iter)
 	{
 		DisplayList &cur = *iter;
@@ -56,6 +56,8 @@ void GPUCommon::UpdateStall(int listid, u32 newstall)
 
 bool GPUCommon::InterpretList(DisplayList &list)
 {
+	time_update();
+	double start = time_now_d();
 	currentList = &list;
 	// Reset stackptr for safety
 	stackptr = 0;
@@ -91,13 +93,15 @@ bool GPUCommon::InterpretList(DisplayList &list)
 		list.pc += 4;
 		prev = op;
 	}
+	time_update();
+	gpuStats.msProcessingDisplayLists += time_now_d() - start;
 	return true;
 }
 
 bool GPUCommon::ProcessDLQueue()
 {
 	DisplayListQueue::iterator iter = dlQueue.begin();
-	while (!(iter == dlQueue.end()))
+	while (iter != dlQueue.end())
 	{
 		DisplayList &l = *iter;
 		DEBUG_LOG(G3D,"Okay, starting DL execution at %08x - stall = %08x", l.pc, l.stall);

GPU/GPUState.h

@@ -263,6 +263,7 @@ struct GPUStatistics
 		numShaderSwitches = 0;
 		numFlushes = 0;
 		numTexturesDecoded = 0;
+		msProcessingDisplayLists = 0;
 	}
 
 	// Per frame statistics
@@ -274,6 +275,7 @@ struct GPUStatistics
 	int numTextureSwitches;
 	int numShaderSwitches;
 	int numTexturesDecoded;
+	double msProcessingDisplayLists;
 
 	// Total statistics, updated by the GPU core in UpdateStats
 	int numFrames;

android/jni/EmuScreen.cpp

@@ -41,6 +41,7 @@
 
 EmuScreen::EmuScreen(const std::string &filename) : invalid_(true)
 {
+	CheckGLExtensions();
 	std::string fileToStart = filename;
 	// This is probably where we should start up the emulated PSP.
 	INFO_LOG(BOOT, "Starting up hardware.");

android/jni/NativeApp.cpp

@@ -31,6 +31,7 @@
 #include "gfx/gl_lost_manager.h"
 #include "gfx/texture.h"
 #include "input/input_state.h"
+#include "math/math_util.h"
 #include "math/lin/matrix4x4.h"
 #include "ui/screen.h"
 #include "ui/ui.h"
@@ -155,6 +156,7 @@ void NativeGetAppInfo(std::string *app_dir_name, std::string *app_nice_name, boo
 
 void NativeInit(int argc, const char *argv[], const char *savegame_directory, const char *external_directory, const char *installID)
 {
+	EnableFZ();
 	std::string user_data_path = savegame_directory;
 
 	// We want this to be FIRST.
@@ -308,6 +310,11 @@ void NativeInitGraphics()
 
 void NativeRender()
 {
+	EnableFZ();
+	// Clearing the screen at the start of the frame is an optimization for tiled mobile GPUs, as it then doesn't need to keep it around between frames.
+	glClearColor(0,0,0,1);
+	glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
+
 	glstate.Restore();
 	glViewport(0, 0, pixel_xres, pixel_yres);
 	Matrix4x4 ortho;

native

@@ -1 +1 @@
-Subproject commit c63061ddfd5aec3b9dd51aa4c71150de905d8d1e
+Subproject commit 7ceecd22b421c697d4d8c8ad6bda7654226be8ca