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* better tracing of modeline sanitization for #8001

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42823 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Alexander von Gluck IV 2011-10-11 17:39:43 +00:00
parent 522a82beb6
commit 44db4996ae
1 changed files with 54 additions and 9 deletions
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63
src/add-ons/accelerants/common/validate_display_mode.cpp
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@ -9,6 +9,20 @@
#include <string.h>
//#define TRACE_VALIDATION
#ifdef TRACE_VALIDATION
#ifdef __cplusplus
extern "C"
#endif
void _sPrintf(const char *format, ...);
# define TRACE(x...) _sPrintf("accelerant common: " x)
#else
# define TRACE(x...) ;
#endif
#define ERROR(x...) _sPrintf("accelerant common: " x)
static uint16
round(uint16 value, uint16 resolution)
{
@ -20,21 +34,42 @@ static void
sanitize_timing(uint16& display, uint16& syncStart, uint16& syncEnd,
uint16& total, const timing_constraints& constraints)
{
if (syncStart < display + constraints.min_before_sync)
if (syncStart < display + constraints.min_before_sync) {
TRACE("%s: syncStart(%" B_PRIu16 ") < display(%" B_PRIu16 ")"
" + min_before_sync(%" B_PRIu16 ")\n", __func__, syncStart,
display, constraints.min_before_sync);
syncStart = display + constraints.min_before_sync;
else if (syncStart > constraints.max_sync_start)
} else if (syncStart > constraints.max_sync_start) {
TRACE("%s: syncStart(%" B_PRIu16 ") > max_sync_start(%" B_PRIu16 ")\n",
__func__, syncStart, constraints.max_sync_start);
syncStart = constraints.max_sync_start;
}
uint32 syncLength = syncEnd - syncStart;
if (syncLength < constraints.min_sync_length)
if (syncLength < constraints.min_sync_length) {
TRACE("%s: syncLength(%" B_PRIu16 ")"
" < min_sync_length(%" B_PRIu16 ")\n",
__func__, syncLength, constraints.min_sync_length);
syncLength = constraints.min_sync_length;
else if (syncLength > constraints.max_sync_length)
} else if (syncLength > constraints.max_sync_length) {
TRACE("%s: syncLength(%" B_PRIu16 ")"
" > max_sync_length(%" B_PRIu16 ")\n",
__func__, syncLength, constraints.max_sync_length);
syncLength = constraints.max_sync_length;
}
if (total < syncStart + syncLength + constraints.min_after_sync)
if (total < syncStart + syncLength + constraints.min_after_sync) {
TRACE("%s: total(%" B_PRIu16 ")"
" < syncStart(%" B_PRIu16 ")"
" + syncLength(%" B_PRIu16 ")"
" + min_after_sync(%" B_PRIu16 ")\n",
__func__, total, syncStart, syncLength, constraints.min_after_sync);
total = syncStart + syncLength + constraints.min_after_sync;
}
if (total > constraints.max_total) {
TRACE("%s: total(%" B_PRIu16 ") > max_total(%" B_PRIu16 ")\n"
__func__, total, constraints.max_total);
total = constraints.max_total;
syncLength = min_c(syncLength, uint16(total - syncStart));
}
@ -57,15 +92,25 @@ sanitize_display_mode(display_mode& mode,
// size
if (mode.timing.h_display < constraints.min_h_display)
if (mode.timing.h_display < constraints.min_h_display) {
TRACE("%s: h_display(%" B_PRIu16 ") < min_h_display(%" B_PRIu16 ")\n",
__func__, mode.timing.h_display, constraints.min_h_display);
mode.timing.h_display = constraints.min_h_display;
else if (mode.timing.h_display > constraints.max_h_display)
} else if (mode.timing.h_display > constraints.max_h_display) {
TRACE("%s: h_display(%" B_PRIu16 ") > max_h_display(%" B_PRIu16 ")\n",
__func__, mode.timing.h_display, constraints.max_h_display);
mode.timing.h_display = constraints.max_h_display;
}
if (mode.timing.v_display < constraints.min_v_display)
if (mode.timing.v_display < constraints.min_v_display) {
TRACE("%s: v_display(%" B_PRIu16 ") < min_v_display(%" B_PRIu16 ")\n",
__func__, mode.timing.v_display, constraints.min_v_display);
mode.timing.v_display = constraints.min_v_display;
else if (mode.timing.v_display > constraints.max_v_display)
} else if (mode.timing.v_display > constraints.max_v_display) {
TRACE("%s: v_display(%" B_PRIu16 ") > max_v_display(%" B_PRIu16 ")\n",
__func__, mode.timing.v_display, constraints.max_v_display);
mode.timing.v_display = constraints.max_v_display;
}
// horizontal timing