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mesa: more tex image debug/dumping code

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This commit is contained in:
Brian Paul 2009-03-02 17:52:30 -07:00
parent d652d26a97
commit 433f2ab2ec
1 changed files with 22 additions and 0 deletions
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22
src/mesa/main/debug.c
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@ -23,6 +23,7 @@
*/
#include "mtypes.h"
#include "colormac.h"
#include "context.h"
#include "hash.h"
#include "imports.h"
@ -274,6 +275,27 @@ write_texture_image(struct gl_texture_object *texObj)
case MESA_FORMAT_ARGB8888:
write_ppm(s, img->Data, img->Width, img->Height, 4, 2, 1, 0);
break;
case MESA_FORMAT_RGB888:
write_ppm(s, img->Data, img->Width, img->Height, 3, 2, 1, 0);
break;
case MESA_FORMAT_RGB565:
{
GLubyte *buf2 = (GLubyte *) _mesa_malloc(img->Width * img->Height * 3);
GLint i;
for (i = 0; i < img->Width * img->Height; i++) {
GLint r, g, b;
GLushort s = ((GLushort *) img->Data)[i];
r = UBYTE_TO_CHAN( ((s >> 8) & 0xf8) | ((s >> 13) & 0x7) );
g = UBYTE_TO_CHAN( ((s >> 3) & 0xfc) | ((s >> 9) & 0x3) );
b = UBYTE_TO_CHAN( ((s << 3) & 0xf8) | ((s >> 2) & 0x7) );
buf2[i*3+1] = r;
buf2[i*3+2] = g;
buf2[i*3+3] = b;
}
write_ppm(s, buf2, img->Width, img->Height, 3, 2, 1, 0);
_mesa_free(buf2);
}
break;
default:
printf("XXXX unsupported mesa tex format %d in %s\n",
img->TexFormat->MesaFormat, __FUNCTION__);