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