From 6c54f26d9e481f3915c290615dcd0370212c46f4 Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Mon, 15 Dec 2014 07:57:16 -0600 Subject: Traveler: Add another trivial plane management tool --- apps/graphics/traveler/tools/.gitignore | 3 + apps/graphics/traveler/tools/Makefile.host | 19 ++- apps/graphics/traveler/tools/misc/mktrig.c | 188 ++++++++++++++++++++++++++++ apps/graphics/traveler/tools/misc/pll2txt.c | 1 - apps/graphics/traveler/tools/misc/txt2pll.c | 3 +- 5 files changed, 208 insertions(+), 6 deletions(-) create mode 100644 apps/graphics/traveler/tools/misc/mktrig.c (limited to 'apps/graphics') diff --git a/apps/graphics/traveler/tools/.gitignore b/apps/graphics/traveler/tools/.gitignore index 2fb541fc0..a8d33fce0 100644 --- a/apps/graphics/traveler/tools/.gitignore +++ b/apps/graphics/traveler/tools/.gitignore @@ -1,3 +1,6 @@ /pll2txt +/txt2pll +/mktrig +/trigtbl.tmp /*.exe /*.dSYM diff --git a/apps/graphics/traveler/tools/Makefile.host b/apps/graphics/traveler/tools/Makefile.host index e2116a2fd..22da1da4c 100644 --- a/apps/graphics/traveler/tools/Makefile.host +++ b/apps/graphics/traveler/tools/Makefile.host @@ -73,16 +73,19 @@ PLL2TXT_OBJS = $(PLL2TXT_SRCS:.c=$(OBJEXT)) TXT2PLL_SRCS = txt2pll.c TXT2PLL_OBJS = $(TXT2PLL_SRCS:.c=$(OBJEXT)) -OBJS = $(PLL2TXT_OBJS) $(TXT2PLL_OBJS) +MKTRIG_SRCS = mktrig.c +MKTRIG_OBJS = $(MKTRIG_SRCS:.c=$(OBJEXT)) + +OBJS = $(PLL2TXT_OBJS) $(TXT2PLL_OBJS) $(MKTRIG_OBJS) # Targets -all: pll2txt$(HOSTEXEEXT) txt2pll$(HOSTEXEEXT) +all: pll2txt$(HOSTEXEEXT) txt2pll$(HOSTEXEEXT) mktrig$(HOSTEXEEXT) default: all ifdef HOSTEXEEXT -.PHONY: pll2txt txt2pll clean +.PHONY: pll2txt txt2pll mktrig clean else .PHONY: clean endif @@ -108,9 +111,19 @@ ifdef HOSTEXEEXT txt2pll: txt2pll$(HOSTEXEEXT) endif +# mktrig - Regenerate trigonometry look-up tables + +mktrig$(HOSTEXEEXT): $(MKTRIG_OBJS) + $(Q) $(HOSTCC) $(HOSTCFLAGS) $< -o $@ + +ifdef HOSTEXEEXT +mktrig: mktrig$(HOSTEXEEXT) +endif + clean: $(call DELFILE, pll2txt$(HOSTEXEEXT)) $(call DELFILE, txt2pll$(HOSTEXEEXT)) + $(call DELFILE, mktrig$(HOSTEXEEXT)) ifneq ($(CONFIG_WINDOWS_NATIVE),y) $(Q) rm -rf *.dSYM endif diff --git a/apps/graphics/traveler/tools/misc/mktrig.c b/apps/graphics/traveler/tools/misc/mktrig.c new file mode 100644 index 000000000..6d5d89848 --- /dev/null +++ b/apps/graphics/traveler/tools/misc/mktrig.c @@ -0,0 +1,188 @@ + +/******************************************************************************* + * apps/graphics/traveler/tools/misc/mktrig.c + * + * Copyright (C) 2014 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included files + ****************************************************************************/ + +#include +#include +#include +#include + +/**************************************************************************** + * Included files + ****************************************************************************/ + +#define PI 3.1415926 + +/**************************************************************************** + * Included files + ****************************************************************************/ + +int main(int argc, char **argv, char **envp) +{ + FILE *outfile; + double angle; + double valuef; + uint32_t value32; + uint16_t value16; + int i; + int j; + + outfile = fopen("trigtbl.tmp", "w"); + if (!outfile) + { + fprintf(stderr, "Unable to open trigtbl.tmp\n"); + exit(1); + } + + fprintf(outfile, "#define TWOPI 1920\n"); + fprintf(outfile, "#define PI 960\n"); + fprintf(outfile, "#define HALFPI 480\n"); + fprintf(outfile, "#define QTRPI 240\n\n"); + + fprintf(outfile, "const int32_t g_tan_table[PI + HALFPI + 1] =\n"); + fprintf(outfile, "{\n"); + + for (i = 0; i < 1440;) + { + fprintf(outfile, " "); + for (j = 0; ((j < 5) && (i < 1440));) + { + angle = ((double)i) * (2.0 * PI / 1920.0); + valuef = (4096.0 * tan(angle)); + if (valuef >= 0.0) + { + valuef += 0.5; + } + else + { + valuef -= 0.5; + } + + value32 = (uint32_t)((long)(valuef)); + fprintf(outfile, "0x%08lx", (unsigned long)value32); + + i++; + j++; + if ((j < 5) && (i < 1440)) + { + fprintf(outfile, ", "); + } + } + + fprintf(outfile, ",\n"); + } + + fprintf(outfile, " 0x00000000\n"); + fprintf(outfile, "};\n\n"); + + fprintf(outfile, "const int16_t g_sin_table[TWOPI + HALFPI + 1] =\n"); + fprintf(outfile, "{\n"); + + for (i = 0; i < 2400;) + { + fprintf(outfile, " "); + for (j = 0; ((j < 8) && (i < 2400));) + { + angle = ((double)i) * (2.0 * PI / 1920.0); + valuef = (4096.0 * sin(angle)); + if (valuef >= 0.0) + { + valuef += 0.5; + } + else + { + valuef -= 0.5; + } + + value16 = (uint16_t)((long)(valuef)); + fprintf(outfile, "0x%04x", (unsigned int)value16); + + i++; + j++; + if ((j < 8) && (i < 2400)) + { + fprintf(outfile, ", "); + } + } + + fprintf(outfile, ",\n"); + } + + fprintf(outfile, " 0x1000\n"); + fprintf(outfile, "};\n\n"); + + fprintf(outfile, "const int32_t cscTable[TWOPI + HALFPI + 1] =\n"); + fprintf(outfile, "{\n"); + + for (i = 0; i < 2400;) + { + fprintf(outfile, " "); + for (j = 0; ((j < 5) && (i < 2400));) + { + angle = ((double)i) * (2.0 * PI / 1920.0); + valuef = (4096.0 / sin(angle)); + if (valuef >= 0.0) + { + valuef += 0.5; + } + else + { + valuef -= 0.5; + } + + value32 = (uint32_t)((long)(valuef)); + fprintf(outfile, "0x%08lx", (unsigned long)value32); + + i++; + j++; + if ((j < 5) && (i < 2400)) + { + fprintf(outfile, ", "); + } + } + + fprintf(outfile, ",\n"); + } + + fprintf(outfile, " 0x00001000\n"); + fprintf(outfile, "};\n\n"); + + fclose(outfile); + return 0; +} diff --git a/apps/graphics/traveler/tools/misc/pll2txt.c b/apps/graphics/traveler/tools/misc/pll2txt.c index 76da566a8..594e7681e 100644 --- a/apps/graphics/traveler/tools/misc/pll2txt.c +++ b/apps/graphics/traveler/tools/misc/pll2txt.c @@ -1,6 +1,5 @@ /******************************************************************************* * apps/graphics/traveler/tools/misc/pll2txt.c - * This file contains low-level texture bitmap logic * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt diff --git a/apps/graphics/traveler/tools/misc/txt2pll.c b/apps/graphics/traveler/tools/misc/txt2pll.c index f77f07edb..c7b9a9e9d 100755 --- a/apps/graphics/traveler/tools/misc/txt2pll.c +++ b/apps/graphics/traveler/tools/misc/txt2pll.c @@ -1,6 +1,5 @@ /******************************************************************************* - * apps/graphics/traveler/tools/misc/pll2txt.c - * This file contains low-level texture bitmap logic + * apps/graphics/traveler/tools/misc/txt2pll.c * * Copyright (C) 2014 Gregory Nutt. All rights reserved. * Author: Gregory Nutt -- cgit v1.2.3