gpu : added gpu example
arm11u && sdmc : fixes
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smea
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acbf44a6b9
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29baa1f757
@ -5,6 +5,7 @@
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#include <ctr/srv.h>
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#include <ctr/APT.h>
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#include <ctr/GSP.h>
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#include <ctr/GX.h>
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#include <ctr/HID.h>
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#include <ctr/svc.h>
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#include "costable.h"
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@ -84,7 +85,7 @@ void copyBuffer()
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u8* bufAdr=&gspHeap[0x46500*copiedBuffer];
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GSPGPU_FlushDataCache(NULL, bufAdr, 0x46500);
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GX_RequestDma(gxCmdBuf, bufAdr, topLeftFramebuffers[copiedBuffer], 0x46500);
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GX_RequestDma(gxCmdBuf, (u32*)bufAdr, (u32*)topLeftFramebuffers[copiedBuffer], 0x46500);
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}
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s32 pcCos(u16 v)
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41
gpu/Makefile
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41
gpu/Makefile
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@ -0,0 +1,41 @@
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CC = arm-none-eabi-gcc
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LINK = arm-none-eabi-ld
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OBJCOPY = arm-none-eabi-objcopy
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CTRULIB = "../libctru"
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CFLAGS += -Wall -std=c99 -march=armv6 -O3 -I"$(CTRULIB)/include" -I$(DEVKITPRO)/libnds/include
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LDFLAGS += --script=ccd00.ld -L"$(DEVKITARM)/arm-none-eabi/lib" -L"$(CTRULIB)/lib"
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CFILES = $(wildcard source/*.c)
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OFILES = $(CFILES:source/%.c=build/%.o)
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DFILES = $(CFILES:source/%.c=build/%.d)
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SFILES = $(wildcard source/*.s)
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OFILES += $(SFILES:source/%.s=build/%.o)
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PROJECTNAME = ${shell basename "$(CURDIR)"}
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.PHONY:=all dir
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all: dir $(PROJECTNAME).bin
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dir:
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@mkdir -p build
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$(PROJECTNAME).bin: $(PROJECTNAME).elf
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$(OBJCOPY) -O binary $< $@
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$(PROJECTNAME).elf: $(OFILES)
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$(LINK) $(LDFLAGS) -o $(PROJECTNAME).elf $(filter-out build/crt0.o, $(OFILES)) -lctru -lc
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clean:
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@rm -f build/*.o build/*.d
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@rm -f $(PROJECTNAME).elf $(PROJECTNAME).bin
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@echo "all cleaned up !"
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-include $(DFILES)
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build/%.o: source/%.c
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$(CC) $(CFLAGS) -c $< -o $@
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@$(CC) -MM $< > build/$*.d
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build/%.o: source/%.s
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$(CC) $(CFLAGS) -c $< -o $@
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@$(CC) -MM $< > build/$*.d
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4
gpu/README.md
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4
gpu/README.md
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@ -0,0 +1,4 @@
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gpu
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=======
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example of how to use the GPU with ctrulib
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6
gpu/source/costable.h
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6
gpu/source/costable.h
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@ -0,0 +1,6 @@
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#ifndef COSTABLE_H
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#define COSTABLE_H
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s32 costable[] = {4096, 4095, 4094, 4093, 4091, 4088, 4084, 4080, 4076, 4071, 4065, 4058, 4051, 4044, 4035, 4026, 4017, 4007, 3996, 3985, 3973, 3960, 3947, 3934, 3919, 3904, 3889, 3873, 3856, 3839, 3821, 3803, 3784, 3765, 3744, 3724, 3703, 3681, 3659, 3636, 3612, 3588, 3564, 3539, 3513, 3487, 3461, 3434, 3406, 3378, 3349, 3320, 3290, 3260, 3229, 3198, 3167, 3135, 3102, 3069, 3035, 3002, 2967, 2932, 2897, 2861, 2825, 2788, 2751, 2714, 2676, 2638, 2599, 2560, 2521, 2481, 2441, 2401, 2360, 2318, 2277, 2235, 2193, 2150, 2107, 2064, 2020, 1976, 1932, 1888, 1843, 1798, 1753, 1707, 1662, 1616, 1569, 1523, 1476, 1429, 1382, 1334, 1287, 1239, 1191, 1143, 1095, 1046, 997, 949, 900, 851, 801, 752, 703, 653, 603, 554, 504, 454, 404, 354, 304, 254, 204, 153, 103, 53, 3, -46, -97, -147, -197, -247, -297, -347, -398, -448, -497, -547, -597, -647, -696, -746, -795, -844, -893, -942, -991, -1040, -1088, -1137, -1185, -1233, -1281, -1328, -1376, -1423, -1470, -1517, -1563, -1610, -1656, -1701, -1747, -1792, -1837, -1882, -1927, -1971, -2015, -2058, -2102, -2144, -2187, -2229, -2271, -2313, -2354, -2395, -2436, -2476, -2516, -2555, -2594, -2633, -2671, -2709, -2747, -2784, -2820, -2857, -2892, -2928, -2963, -2997, -3031, -3065, -3098, -3130, -3163, -3194, -3225, -3256, -3286, -3316, -3345, -3374, -3402, -3430, -3457, -3484, -3510, -3536, -3561, -3585, -3609, -3633, -3656, -3678, -3700, -3721, -3742, -3762, -3782, -3801, -3819, -3837, -3854, -3871, -3887, -3902, -3917, -3932, -3946, -3959, -3971, -3983, -3995, -4005, -4016, -4025, -4034, -4042, -4050, -4057, -4064, -4070, -4075, -4080, -4084, -4087, -4090, -4092, -4094, -4095, -4095, -4095, -4094, -4093, -4091, -4088, -4085, -4081, -4076, -4071, -4066, -4059, -4052, -4045, -4036, -4028, -4018, -4008, -3997, -3986, -3974, -3962, -3949, -3935, -3921, -3906, -3891, -3875, -3858, -3841, -3824, -3805, -3787, -3767, -3747, -3727, -3705, -3684, -3662, -3639, -3615, -3592, -3567, -3542, -3517, -3491, -3464, -3437, -3409, -3381, -3353, -3324, -3294, -3264, -3233, -3202, -3171, -3139, -3106, -3073, -3040, -3006, -2972, -2937, -2902, -2866, -2830, -2793, -2756, -2719, -2681, -2643, -2604, -2565, -2526, -2486, -2446, -2406, -2365, -2324, -2282, -2240, -2198, -2156, -2113, -2069, -2026, -1982, -1938, -1894, -1849, -1804, -1759, -1713, -1668, -1622, -1575, -1529, -1482, -1435, -1388, -1341, -1293, -1245, -1197, -1149, -1101, -1052, -1004, -955, -906, -857, -808, -758, -709, -660, -610, -560, -510, -460, -411, -360, -310, -260, -210, -160, -110, -60, -9, 40, 90, 140, 191, 241, 291, 341, 391, 441, 491, 541, 591, 640, 690, 739, 789, 838, 887, 936, 985, 1033, 1082, 1130, 1179, 1227, 1274, 1322, 1370, 1417, 1464, 1511, 1557, 1604, 1650, 1695, 1741, 1786, 1831, 1876, 1921, 1965, 2009, 2053, 2096, 2139, 2182, 2224, 2266, 2308, 2349, 2390, 2431, 2471, 2511, 2550, 2589, 2628, 2666, 2704, 2742, 2779, 2816, 2852, 2888, 2923, 2958, 2993, 3027, 3060, 3093, 3126, 3158, 3190, 3221, 3252, 3282, 3312, 3342, 3370, 3399, 3426, 3454, 3480, 3507, 3532, 3557, 3582, 3606, 3630, 3653, 3675, 3697, 3718, 3739, 3759, 3779, 3798, 3817, 3835, 3852, 3869, 3885, 3900, 3915, 3930, 3944, 3957, 3970, 3982, 3993, 4004, 4014, 4024, 4033, 4041, 4049, 4056, 4063, 4069, 4074, 4079, 4083, 4087, 4090, 4092, 4094, 4095};
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#endif
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12
gpu/source/crt0.s
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12
gpu/source/crt0.s
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.section ".text"
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.arm
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.align 4
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.global _init
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.global _start
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_start:
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blx __libc_init_array
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blx main
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_init:
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bx lr
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153
gpu/source/main.c
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153
gpu/source/main.c
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctr/types.h>
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#include <ctr/srv.h>
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#include <ctr/APT.h>
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#include <ctr/GSP.h>
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#include <ctr/GX.h>
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#include <ctr/GPU.h>
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#include <ctr/HID.h>
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#include <ctr/svc.h>
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#include "costable.h"
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u8* gspHeap;
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u32* gxCmdBuf;
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u8 currentBuffer;
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u8* topLeftFramebuffers[2];
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Handle gspEvent, gspSharedMemHandle;
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void gspGpuInit()
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{
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gspInit();
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GSPGPU_AcquireRight(NULL, 0x0);
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GSPGPU_SetLcdForceBlack(NULL, 0x0);
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//set subscreen to blue
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u32 regData=0x01FF0000;
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GSPGPU_WriteHWRegs(NULL, 0x202A04, ®Data, 4);
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//grab main left screen framebuffer addresses
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GSPGPU_ReadHWRegs(NULL, 0x400468, (u32*)&topLeftFramebuffers, 8);
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//convert PA to VA (assuming FB in VRAM)
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topLeftFramebuffers[0]+=0x7000000;
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topLeftFramebuffers[1]+=0x7000000;
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//setup our gsp shared mem section
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u8 threadID;
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svc_createEvent(&gspEvent, 0x0);
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GSPGPU_RegisterInterruptRelayQueue(NULL, gspEvent, 0x1, &gspSharedMemHandle, &threadID);
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svc_mapMemoryBlock(gspSharedMemHandle, 0x10002000, 0x3, 0x10000000);
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//map GSP heap
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svc_controlMemory((u32*)&gspHeap, 0x0, 0x0, 0x2000000, 0x10003, 0x3);
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//wait until we can write stuff to it
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svc_waitSynchronization1(gspEvent, 0x55bcb0);
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//GSP shared mem : 0x2779F000
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gxCmdBuf=(u32*)(0x10002000+0x800+threadID*0x200);
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currentBuffer=0;
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}
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void gspGpuExit()
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{
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GSPGPU_UnregisterInterruptRelayQueue(NULL);
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//unmap GSP shared mem
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svc_unmapMemoryBlock(gspSharedMemHandle, 0x10002000);
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svc_closeHandle(gspSharedMemHandle);
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svc_closeHandle(gspEvent);
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gspExit();
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//free GSP heap
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svc_controlMemory((u32*)&gspHeap, (u32)gspHeap, 0x0, 0x2000000, MEMOP_FREE, 0x0);
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}
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void swapBuffers()
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{
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u32 regData;
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GSPGPU_ReadHWRegs(NULL, 0x400478, ®Data, 4);
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regData^=1;
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currentBuffer=regData&1;
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GSPGPU_WriteHWRegs(NULL, 0x400478, ®Data, 4);
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}
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void copyBuffer()
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{
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//copy topleft FB
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u8 copiedBuffer=currentBuffer^1;
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u8* bufAdr=&gspHeap[0x46500*copiedBuffer];
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GSPGPU_FlushDataCache(NULL, bufAdr, 0x46500);
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GX_RequestDma(gxCmdBuf, (u32*)bufAdr, (u32*)topLeftFramebuffers[copiedBuffer], 0x46500);
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}
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s32 pcCos(u16 v)
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{
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return costable[v&0x1FF];
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}
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u32 cnt;
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void renderEffect()
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{
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u8* bufAdr=&gspHeap[0x46500*currentBuffer];
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int i, j;
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for(i=1;i<400;i++)
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{
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for(j=1;j<240;j++)
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{
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u32 v=(j+i*240)*3;
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bufAdr[v]=(pcCos(i+cnt)+4096)/32;
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bufAdr[v+1]=(pcCos(j-256+cnt)+4096)/64;
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bufAdr[v+2]=(pcCos(i+128-cnt)+4096)/32;
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}
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}
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cnt++;
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}
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int main()
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{
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initSrv();
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aptInit(APPID_APPLICATION);
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gspGpuInit();
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hidInit(NULL);
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aptSetupEventHandler();
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GPU_Init(NULL);
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APP_STATUS status;
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while((status=aptGetStatus())!=APP_EXITING)
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{
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if(status==APP_RUNNING)
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{
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u32 PAD=hidSharedMem[7];
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u32 regData=PAD|0x01000000;
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GSPGPU_WriteHWRegs(NULL, 0x202A04, ®Data, 4);
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renderEffect();
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swapBuffers();
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copyBuffer();
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}
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svc_sleepThread(16666666);
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}
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hidExit();
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gspGpuExit();
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aptExit();
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svc_exitProcess();
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return 0;
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}
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@ -5,6 +5,7 @@
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#include <ctr/srv.h>
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#include <ctr/APT.h>
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#include <ctr/GSP.h>
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#include <ctr/GX.h>
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#include <ctr/HID.h>
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#include <ctr/FS.h>
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#include <ctr/svc.h>
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@ -85,15 +86,8 @@ void copyBuffer()
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u8 copiedBuffer=currentBuffer^1;
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u8* bufAdr=&gspHeap[0x46500*copiedBuffer];
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GSPGPU_FlushDataCache(NULL, bufAdr, 0x46500);
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//GX RequestDma
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u32 gxCommand[0x8];
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gxCommand[0]=0x00; //CommandID
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gxCommand[1]=(u32)bufAdr; //source address
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gxCommand[2]=(u32)topLeftFramebuffers[copiedBuffer]; //destination address
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gxCommand[3]=0x46500; //size
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gxCommand[4]=gxCommand[5]=gxCommand[6]=gxCommand[7]=0x0;
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GSPGPU_submitGxCommand(gxCmdBuf, gxCommand, NULL);
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GX_RequestDma(gxCmdBuf, (u32*)bufAdr, (u32*)topLeftFramebuffers[copiedBuffer], 0x46500);
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}
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s32 pcCos(u16 v)
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