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more tweaks

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This commit is contained in:
Brian Paul 2002-11-22 16:13:49 +00:00
parent ff89f4b639
commit fc88680a39
1 changed files with 38 additions and 19 deletions
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57
progs/tests/glfbdevtest.c
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@ -1,4 +1,4 @@
/* $Id: glfbdevtest.c,v 1.1.4.2 2002/11/22 15:26:56 brianp Exp $ */
/* $Id: glfbdevtest.c,v 1.1.4.3 2002/11/22 16:13:49 brianp Exp $ */
/*
* Test the GLFBDev interface.
@ -144,12 +144,32 @@ initialize_fbdev( void )
}
/* set the depth, resolution, etc */
/* DesiredDepth = 32;*/
if (DesiredDepth)
VarInfo.bits_per_pixel = DesiredDepth;
#if 0
VarInfo.xres_virtual = VarInfo.xres = 1280;
VarInfo.yres_virtual = VarInfo.yres = 1024;
VarInfo.bits_per_pixel = 32;
#if 1
if (VarInfo.bits_per_pixel == 16) {
VarInfo.red.offset = 11;
VarInfo.green.offset = 5;
VarInfo.blue.offset = 0;
VarInfo.red.length = 5;
VarInfo.green.length = 6;
VarInfo.blue.length = 5;
VarInfo.transp.offset = 0;
VarInfo.transp.length = 0;
}
else if (VarInfo.bits_per_pixel == 32) {
VarInfo.red.offset = 16;
VarInfo.green.offset = 8;
VarInfo.blue.offset = 0;
VarInfo.transp.offset = 0;
VarInfo.red.length = 8;
VarInfo.green.length = 8;
VarInfo.blue.length = 8;
VarInfo.transp.length = 0;
}
#endif
printf("xres=%d yres=%d\n", VarInfo.xres, VarInfo.yres);
printf("bits_per_pixel=%d\n", VarInfo.bits_per_pixel);
@ -181,23 +201,22 @@ initialize_fbdev( void )
/* initialize colormap */
if (FixedInfo.visual == FB_VISUAL_DIRECTCOLOR) {
struct fb_cmap cmap;
unsigned short red, green, blue;
int i, j;
unsigned short red[256], green[256], blue[256];
int i;
cmap.len = 1;
cmap.red = &red;
cmap.green = &green;
cmap.blue = &blue;
/* we're assuming 256 entries here */
printf("initializing directcolor colormap\n");
cmap.start = 0;
cmap.len = 256;
cmap.red = red;
cmap.green = green;
cmap.blue = blue;
cmap.transp = NULL;
for (i = 0; i < 256; i++) {
cmap.start = i;
red = (i << 8) | i;
green = (i << 8) | i;
blue = (i << 8) | i;
j = ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &cmap);
if (j < 0) {
fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", i);
}
for (i = 0; i < cmap.len; i++) {
red[i] = green[i] = blue[i] = (i << 8) | i;
}
if (ioctl(FrameBufferFD, FBIOPUTCMAP, (void *) &cmap) < 0) {
fprintf(stderr, "ioctl(FBIOPUTCMAP) failed [%d]\n", i);
}
}
@ -262,7 +281,7 @@ gltest( void )
printf("GLFBDEV_VERSION = %s\n", glFBDevGetString(GLFBDEV_VERSION));
/* framebuffer size */
bytes = VarInfo.xres_virtual * VarInfo.yres_virtual * 4;
bytes = VarInfo.xres_virtual * VarInfo.yres_virtual * VarInfo.bits_per_pixel / 8;
vis = glFBDevCreateVisual( &FixedInfo, &VarInfo, attribs );
assert(vis);