mirror of
https://github.com/pspdev/pspsdk.git
synced 2025-12-24 04:32:36 +00:00
add image_display sample to pspsdk
fix for PR renamed logo folder to image_display, renamed logo to image in source, changed image used, removed FW version from makefile, added header to source, added image_display to all samples makefile
This commit is contained in:
pyroesp
@@ -61,6 +61,7 @@ SAMPLES = \
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power \
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prx/prx_loader \
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prx/testprx \
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prx/image_display \
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savedata/utility \
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savedata/decrypt \
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savedata/encrypt \
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16
src/samples/prx/image_display/Makefile.sample
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16
src/samples/prx/image_display/Makefile.sample
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@@ -0,0 +1,16 @@
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TARGET = image_display
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BUILD_PRX = 1
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OBJS = main.o
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INCDIR =
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CFLAGS = -Os -G0 -Wall
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CXXFLAGS = $(CFLAGS) -fno-exceptions -fno-rtti
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ASFLAGS = $(CFLAGS)
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LIBS =
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LIBDIR =
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PSPSDK=$(shell psp-config --pspsdk-path)
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include $(PSPSDK)/lib/build_prx.mak
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212
src/samples/prx/image_display/main.c
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212
src/samples/prx/image_display/main.c
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@@ -0,0 +1,212 @@
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/*
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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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* main.c - image display plugin example
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*
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* Copyright (c) 2023 pyroesp
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*
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*/
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#include <pspkernel.h>
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#include <pspdisplay.h>
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#include <psptypes.h>
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#include <psprtc.h>
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PSP_MODULE_INFO("image display", PSP_MODULE_USER, 0, 1);
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PSP_MAIN_THREAD_ATTR(THREAD_ATTR_USER);
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#define SCREEN_W 480
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#define SCREEN_H 272
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#define IMAGE_W 72
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#define IMAGE_H 40
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#define PIXEL_PER_BYTE 8
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// monochrome 1 bit per pixel image
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u8 image[] = {
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x3F, 0xF0, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0xFF, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0xFC,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00,
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0x00, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF0, 0x00
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};
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// main thread id
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int thid;
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// main running flag
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int running;
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// convert 0-359 degree value to u32 ABGR color
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u32 color_Wheel(int degrees);
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// main thread
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int main_thread(SceSize args, void *argp){
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u64 tick;
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unsigned int* vram32;
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int bufferwidth, pixelformat;
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// wait for psp boot
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sceKernelDelayThread(10 * 1000 * 1000);
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// get psp ticks for pseudo randomness
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sceRtcGetCurrentTick(&tick);
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// set image start position from ticks
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s16 image_x = tick % (SCREEN_W - IMAGE_W);
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s16 image_y = tick % (SCREEN_H - IMAGE_H);
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// set image movement from start position
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s16 image_vx = (image_x & 1) ? -1 : 1;
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s16 image_vy = (image_y & 1) ? -1 : 1;
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// image color
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u32 image_color = color_Wheel((int)((tick / 1000) % 360));
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// main menu
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while (running){
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// check x collision
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if ((image_x + image_vx) >= (SCREEN_W - IMAGE_W) || (image_x + image_vx) <= 0){
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//change direction
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image_vx = -image_vx;
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// update tick value when changing direction
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sceRtcGetCurrentTick(&tick);
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// change color based on tick value
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image_color = color_Wheel((int)((tick / 1000) % 360));
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}
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// check y collision
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if ((image_y + image_vy) >= (SCREEN_H - IMAGE_H) || (image_y + image_vy) <= 0){
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//change direction
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image_vy = -image_vy;
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// update tick value when changing direction
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sceRtcGetCurrentTick(&tick);
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// change color based on tick value
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image_color = color_Wheel((int)((tick / 1000) % 360));
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}
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// move image
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image_x += image_vx;
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image_y += image_vy;
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// get vram
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int ret = sceDisplayGetFrameBuf((void*)&vram32, &bufferwidth, &pixelformat, PSP_DISPLAY_SETBUF_IMMEDIATE);
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// works with both PSP_DISPLAY_SETBUF_NEXTFRAME and PSP_DISPLAY_SETBUF_IMMEDIATE
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// check if return value from sceDisplayGetFrameBuf is valid
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// check if vram32 is not NULL
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// check if bufferwidth is not 0
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if (ret == 0 && vram32 != NULL && bufferwidth != 0){
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// draw image
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for (int i = 0; i < IMAGE_H; i++){
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for (int j = 0; j < IMAGE_W; j++){
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// check if the pixel bit of the image at position 'j' is 1
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if (image[(i * (IMAGE_W / PIXEL_PER_BYTE)) + j / PIXEL_PER_BYTE] & (1 << (PIXEL_PER_BYTE - 1 - (j % PIXEL_PER_BYTE)))){
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// write image to vram
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vram32[(image_y + i) * bufferwidth + (image_x + j)] = image_color;
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}
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}
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}
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}
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// not checking return value and/or vram32 pointer will result in a crash when putting the PSP to sleep
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// wait for vblank and allow for callbacks
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if (sceDisplayWaitVblankStartCB() < 0)
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break; // end of VSH ?
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}
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return sceKernelExitDeleteThread(0);
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}
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int module_start(SceSize args, void *argp){
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running = 0;
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// create and start main thread
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thid = sceKernelCreateThread("image_display", main_thread, 0x10, 4*1024, PSP_THREAD_ATTR_USER, NULL);
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if (thid >= 0){
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running = 1;
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sceKernelStartThread(thid, args, argp);
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}
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return 0;
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}
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int module_stop(SceSize args, void *argp){
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// clean exit main thread
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if (running){
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running = 0;
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SceUInt time = 200*1000;
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int ret = sceKernelWaitThreadEnd(thid, &time);
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if (ret < 0)
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sceKernelTerminateDeleteThread(thid);
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}
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return 0;
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}
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// convert 0-359 degree value to u32 ABGR color
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u32 color_Wheel(int degrees){
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u8 red = 0, green = 0, blue = 0;
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degrees = degrees % 360;
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if (degrees < 120){
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red = ((120 - degrees) * 255) / 120;
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green = (degrees * 255) / 120;
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blue = 0;
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}else if (degrees < 240){
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degrees -= 120;
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red = 0;
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green = ((120 - degrees) * 255) / 120;
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blue = (degrees * 255) / 120;
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}else{
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degrees -= 240;
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red = (degrees * 255) / 120;
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green = 0;
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blue = ((120 - degrees) * 255) / 120;
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}
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return (0xFF000000 | blue << 16 | green << 8 | red);
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}
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