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gallium: add debug_print_format() make it easier to print format error messages

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This commit is contained in:
Keith Whitwell
2008-04-29 20:33:37 +01:00
parent 733bc4df1a
commit 9bfe1a3d50
4 changed files with 111 additions and 89 deletions
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97
src/gallium/auxiliary/util/p_debug.c
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@@ -41,6 +41,7 @@
#include "pipe/p_compiler.h"
#include "pipe/p_util.h"
#include "pipe/p_debug.h"
#include "pipe/p_format.h"
#include "util/u_string.h"
@@ -324,3 +325,99 @@ debug_dump_flags(const struct debug_named_value *names,
}
char *pf_sprint_name( char *str, enum pipe_format format )
{
strcpy( str, "PIPE_FORMAT_" );
switch (pf_layout( format )) {
case PIPE_FORMAT_LAYOUT_RGBAZS:
{
pipe_format_rgbazs_t rgbazs = (pipe_format_rgbazs_t) format;
uint i;
uint scale = 1 << (pf_exp8( rgbazs ) * 3);
for (i = 0; i < 4; i++) {
uint size = pf_size_xyzw( rgbazs, i );
if (size == 0) {
break;
}
switch (pf_swizzle_xyzw( rgbazs, i )) {
case PIPE_FORMAT_COMP_R:
strcat( str, "R" );
break;
case PIPE_FORMAT_COMP_G:
strcat( str, "G" );
break;
case PIPE_FORMAT_COMP_B:
strcat( str, "B" );
break;
case PIPE_FORMAT_COMP_A:
strcat( str, "A" );
break;
case PIPE_FORMAT_COMP_0:
strcat( str, "0" );
break;
case PIPE_FORMAT_COMP_1:
strcat( str, "1" );
break;
case PIPE_FORMAT_COMP_Z:
strcat( str, "Z" );
break;
case PIPE_FORMAT_COMP_S:
strcat( str, "S" );
break;
}
util_snprintf( &str[strlen( str )], 32, "%u", size * scale );
}
if (i != 0) {
strcat( str, "_" );
}
switch (pf_type( rgbazs )) {
case PIPE_FORMAT_TYPE_UNKNOWN:
strcat( str, "NONE" );
break;
case PIPE_FORMAT_TYPE_FLOAT:
strcat( str, "FLOAT" );
break;
case PIPE_FORMAT_TYPE_UNORM:
strcat( str, "UNORM" );
break;
case PIPE_FORMAT_TYPE_SNORM:
strcat( str, "SNORM" );
break;
case PIPE_FORMAT_TYPE_USCALED:
strcat( str, "USCALED" );
break;
case PIPE_FORMAT_TYPE_SSCALED:
strcat( str, "SSCALED" );
break;
}
}
break;
case PIPE_FORMAT_LAYOUT_YCBCR:
{
pipe_format_ycbcr_t ycbcr = (pipe_format_ycbcr_t) format;
strcat( str, "YCBCR" );
if (pf_rev( ycbcr )) {
strcat( str, "_REV" );
}
}
break;
}
return str;
}
void debug_print_format(const char *msg, enum pipe_format fmt )
{
char fmtstr[80];
pf_sprint_name(fmtstr, fmt);
debug_printf("%s: %s\n", msg, fmtstr);
}