first commit

src/samples/gu/copy/Makefile.sample

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+TARGET = copy
+OBJS = copy.o ../common/callbacks.o ../common/vram.o
+
+INCDIR =
+CFLAGS = -G0 -Wall -O2
+CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
+ASFLAGS = $(CFLAGS)
+
+LIBDIR =
+LDFLAGS =
+LIBS= -lpspgu
+
+EXTRA_TARGETS = EBOOT.PBP
+PSP_EBOOT_TITLE = CopyImage Sample
+
+PSPSDK=$(shell psp-config --pspsdk-path)
+include $(PSPSDK)/lib/build.mak

src/samples/gu/copy/copy.c

@@ -0,0 +1,146 @@
+/*
+ * PSP Software Development Kit - http://www.pspdev.org
+ * -----------------------------------------------------------------------
+ * Licensed under the BSD license, see LICENSE in PSPSDK root for details.
+ *
+ * Copyright (c) 2005 Jesper Svennevid
+ */
+
+#include <pspkernel.h>
+#include <pspdisplay.h>
+#include <pspdebug.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <math.h>
+#include <string.h>
+#include <time.h>
+
+#include <pspgu.h>
+
+#include "../common/callbacks.h"
+#include "../common/vram.h"
+
+PSP_MODULE_INFO("CopyImage Sample", 0, 1, 1);
+PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER);
+
+#define BUF_WIDTH (512)
+#define SCR_WIDTH (480)
+#define SCR_HEIGHT (272)
+
+static unsigned int __attribute__((aligned(16))) list[262144];
+static unsigned int __attribute__((aligned(16))) pixels[512*272];
+
+struct Vertex
+{
+	unsigned short u, v;
+	unsigned short color;
+	short x, y, z;
+};
+
+int main(int argc, char* argv[])
+{
+	unsigned int x,y;
+
+	setupCallbacks();
+
+	// setup
+
+	void* fbp0 = getStaticVramBuffer(BUF_WIDTH,SCR_HEIGHT,GU_PSM_8888);
+	void* fbp1 = getStaticVramBuffer(BUF_WIDTH,SCR_HEIGHT,GU_PSM_8888);
+	void* zbp = getStaticVramBuffer(BUF_WIDTH,SCR_HEIGHT,GU_PSM_4444);
+
+	pspDebugScreenInit();
+	sceGuInit();
+
+	sceGuStart(GU_DIRECT,list);
+	sceGuDrawBuffer(GU_PSM_8888,fbp0,BUF_WIDTH);
+	sceGuDispBuffer(SCR_WIDTH,SCR_HEIGHT,fbp1,BUF_WIDTH);
+	sceGuDepthBuffer(zbp,BUF_WIDTH);
+	sceGuOffset(2048 - (SCR_WIDTH/2),2048 - (SCR_HEIGHT/2));
+	sceGuViewport(2048,2048,SCR_WIDTH,SCR_HEIGHT);
+	sceGuDepthRange(65535,0);
+	sceGuScissor(0,0,SCR_WIDTH,SCR_HEIGHT);
+	sceGuEnable(GU_SCISSOR_TEST);
+	sceGuFrontFace(GU_CW);
+	sceGuClear(GU_COLOR_BUFFER_BIT|GU_DEPTH_BUFFER_BIT);
+	sceGuFinish();
+	sceGuSync(0,0);
+
+	sceDisplayWaitVblankStart();
+	sceGuDisplay(1);
+
+	int val = 0;
+
+	// generate dummy image to blit
+
+	for (y = 0; y < 272; ++y)
+	{
+		unsigned int* row = &pixels[y * 512];
+		for (x = 0; x < 480; ++x)
+		{
+			row[x] = x * y;
+		}
+	}
+
+	sceKernelDcacheWritebackAll();
+
+	float curr_ms = 1.0f;
+	struct timeval time_slices[16];
+
+	void* framebuffer = 0;
+
+	while (running())
+	{
+		sceGuStart(GU_DIRECT,list);
+
+		// copy image from ram to vram
+
+		sceGuCopyImage(GU_PSM_8888,0,0,480,272,512,pixels,0,0,512,(void*)(0x04000000+(u32)framebuffer));
+		sceGuTexSync();
+
+		sceGuFinish();
+		sceGuSync(0,0);
+
+		float curr_fps = 1.0f / curr_ms;
+
+//		sceDisplayWaitVblankStart();
+		framebuffer = sceGuSwapBuffers();
+
+		pspDebugScreenSetXY(0,0);
+		pspDebugScreenPrintf("%d.%03d",(int)curr_fps,(int)((curr_fps-(int)curr_fps) * 1000.0f));
+
+		// simple frame rate counter
+
+		gettimeofday(&time_slices[val & 15],0);
+
+		val++;
+
+		if (!(val & 15))
+		{
+			struct timeval last_time = time_slices[0];
+			unsigned int i;
+
+			curr_ms = 0;
+			for (i = 1; i < 16; ++i)
+			{
+				struct timeval curr_time = time_slices[i];
+
+				if (last_time.tv_usec > curr_time.tv_usec)
+				{
+					curr_time.tv_sec++;
+					curr_time.tv_usec-=1000000;
+				}
+
+				curr_ms += ((curr_time.tv_usec-last_time.tv_usec) + (curr_time.tv_sec-last_time.tv_sec) * 1000000) * (1.0f/1000000.0f);
+
+				last_time = time_slices[i];
+			}
+			curr_ms /= 15.0f;
+		}
+	}
+
+	sceGuTerm();
+
+	sceKernelExitGame();
+	return 0;
+}