Astral/patches/tinygl/tinygl.patch

diff -ruN tinygl/config.mk Astral/sources/tinygl/config.mk
--- tinygl/config.mk	2022-10-12 19:26:26.106556442 -0300
+++ Astral/sources/tinygl/config.mk	2022-10-12 19:19:56.666559485 -0300
@@ -3,7 +3,7 @@
 
 #CC= clang
 #CC=cc
-CC=gcc
+CC=x86_64-astral-gcc
 #CC=tcc
 #uncomment the following line for compiling the lib using tinyc.
 #note that the demos will fail to build with tinyc, but you can 
@@ -15,16 +15,11 @@
 #extract the maximum possible performance from gcc.
 
 
-#CFLAGS= -Wall -O3 -std=c99 -DNDEBUG -march=native -Wno-unused-function
-CFLAGS= -Wall -O3 -std=c99 -DNDEBUG -march=native -fopenmp -Wno-unused-function
-#CFLAGS_LIB= -Wall -O3 -std=c99 -pedantic -DNDEBUG -march=native -Wno-unused-function
-CFLAGS_LIB= -Wall -O3 -std=c99 -pedantic -DNDEBUG -fopenmp -march=native -Wno-unused-function
-
 
 #CFLAGS= -Wall -Ofast -std=gnu99 -DNDEBUG -mtune=native
 #uncomment the following line for compiling the lib with tinyc
 #keep these flags for compiling with gcc if you are linking with tinygl compiled with tcc.
-#CFLAGS= -Wall -O3 -std=gnu99 -DNDEBUG -g
+CFLAGS= -Wall -O3 -std=gnu99 -DNDEBUG -g
 #CFLAGS= -Wall -O1 -g -std=c99 -Wno-undef -DNDEBUG
 LFLAGS=
 
diff -ruN tinygl/Makefile Astral/sources/tinygl/Makefile
--- tinygl/Makefile	2022-10-12 19:26:26.089889775 -0300
+++ Astral/sources/tinygl/Makefile	2022-10-12 19:19:56.666559485 -0300
@@ -1,9 +1,10 @@
 
 LIBNAME=libTinyGL.a
+PREFIX=/usr/local/
 LIB=lib/$(LIBNAME)
-LIBDIR=/usr/local/lib
-INCDIR=/usr/local/include
-BINDIR=/usr/local/bin
+LIBDIR=$(DESTDIR)/$(PREFIX)/lib
+INCDIR=$(DESTDIR)/$(PREFIX)/include
+BINDIR=$(DESTDIR)/$(PREFIX)/bin
 
 all: $(LIB) RDMOS
 	@echo Done!
@@ -13,8 +14,10 @@
 	cp src/*.a ./lib/
 
 install: $(LIB)
+	[ -d $(INCDIR)/tinygl ] || mkdir -p $(INCDIR)/tinygl
+	[ -d $(LIBDIR)/ ] || mkdir -p $(LIBDIR)
+	[ -d $(BINDIR)/ ] || mkdir -p $(BINDIR)
 	cp $(LIB) $(LIBDIR)
-	mkdir $(INCDIR)/tinygl || echo "You installed before?"
 	cp -r include/* $(INCDIR)/tinygl
 
 uninstall:
diff -ruN tinygl/Raw_Demos/gears.c Astral/sources/tinygl/Raw_Demos/gears.c
--- tinygl/Raw_Demos/gears.c	2022-10-12 19:26:26.089889775 -0300
+++ Astral/sources/tinygl/Raw_Demos/gears.c	2022-10-12 19:20:49.683225732 -0300
@@ -15,6 +15,9 @@
 #include <string.h>
 #include <stdarg.h>
 
+#include <errno.h>
+#include <linux/fb.h>
+#include <fcntl.h>
 
 //Doesn't drag in anything.
 #include "../include/GL/gl.h"
@@ -293,10 +296,79 @@
 	// glEnable( GL_NORMALIZE );
 }
 
+static int seekordie(int fd, off_t offset, int whence){
+        int ret = lseek(fd, offset, whence);
+        if(ret == -1){
+                printf("gears: lseek failed on fd %d: %s", fd, strerror(errno));
+                exit(errno);
+        }
+        return ret;
+}
+
+static int ioctlordie(int fd, unsigned long request, void* arg){
+        int ret = ioctl(fd, request, arg);
+        if(ret == -1){
+                printf("gears: ioctl failed on fd %d: %s\n", fd, strerror(errno));
+                exit(errno);
+        }
+        return ret;
+}
+
+static int openordie(char* name, int flags, int mode){
+        int fd = open(name, flags, mode);
+        if(fd == -1){
+                printf("gears: failed to open %s: %s\n", name, strerror(errno));
+                exit(errno);
+        }
+        return fd;
+}
+
+static int writeordie(int fd, void* buff, size_t count){
+        int writec = write(fd, buff, count);
+        if(writec == -1){
+                printf("gears: write failed on fd %d: %s\n", fd, strerror(errno));
+                exit(errno);
+        }
+
+        return writec;
+}
+
+static int readordie(int fd, void* buff, size_t count){
+        int readc = read(fd, buff, count);
+        if(readc == -1){
+                printf("gears: read failed on fd %d: %s\n", fd, strerror(errno));
+                exit(errno);
+        }
+        return readc;
+}
+
+void usage(){
+	printf("Usage: gears [options]\n");
+	printf("--help		Display this information.\n");
+	printf("-w <width>	Set width of the window\n");
+	printf("-h <height>	Set height of the window\n");
+	printf("-flat\n");
+	printf("-smooth\n");
+	printf("-blend\n");
+	printf("-nospecular\n");
+	printf("-lines\n");
+	printf("-points\n");
+	printf("-notext\n");
+}
+
 int main(int argc, char** argv) {
 	// initialize SDL video:
-	int winSizeX = 640;
-	int winSizeY = 480;
+	
+	int fbfd = openordie("/dev/fb0", O_RDONLY, 0);
+	
+	struct fb_var_screeninfo fbvs;
+	struct fb_fix_screeninfo fbfs;
+
+	ioctlordie(fbfd, FBIOGET_VSCREENINFO, &fbvs);
+        ioctlordie(fbfd, FBIOGET_FSCREENINFO, &fbfs);
+
+	int winSizeX = fbvs.xres;
+	int winSizeY = fbvs.yres;
 	PIXEL* imbuf = NULL;
 	uchar* pbuf = NULL;
 	unsigned int flat = 0;
@@ -324,6 +396,10 @@
 				override_drawmodes = 2;
 			if (!strcmp(argv[i],"-notext"))
 				dotext = 0;
+			if (!strcmp(argv[i],"--help")){
+				usage();
+				exit(0);
+			}
 			larg = argv[i];
 		}
 	}
@@ -413,16 +489,17 @@
 		if(frames > 0) break;
 	}
 	if(TGL_FEATURE_RENDER_BITS == 32){ //very little conversion.
-		pbuf = malloc(3 * winSizeX * winSizeY);
+		pbuf = malloc(4 * winSizeX * winSizeY);
 		for(int i = 0; i < winSizeX * winSizeY; i++){
 			//pbuf[3*i+0] = (imbuf[i]&0xff0000)>>16;
 			//pbuf[3*i+1] = (imbuf[i]&0x00ff00)>>8;
 			//pbuf[3*i+2] = (imbuf[i]&0x0000ff);
-			pbuf[3*i+0] = GET_RED(imbuf[i]);
-			pbuf[3*i+1] = GET_GREEN(imbuf[i]);
-			pbuf[3*i+2] = GET_BLUE(imbuf[i]);
+			pbuf[4*i+0] = GET_RED(imbuf[i]);
+			pbuf[4*i+1] = GET_GREEN(imbuf[i]);
+			pbuf[4*i+2] = GET_BLUE(imbuf[i]);
 		}
-		stbi_write_png("render.png", winSizeX, winSizeY, 3, pbuf, 0);
+
+		writeordie(fbfd, pbuf, 4 * winSizeX * winSizeY);
 		free(imbuf);
 		free(pbuf);
 	} else if(TGL_FEATURE_RENDER_BITS == 16){