Chameleon

Chameleon Commit Details

Date:2014-10-23 06:01:38 (4 years 7 months ago)
Author:Chuck Fry
Commit:2444
Parents: 2443
Message:Comment out unused static functions, which cause build to fail in "release" mode; other minor cleanups
Changes:
M/branches/chucko/i386/libsaio/vbe.c

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branches/chucko/i386/libsaio/vbe.c
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static biosBuf_t bb;
#if UNUSED
//==============================================================================
static inline void
//==============================================================================
#endif /* UNUSED */
int getVBEInfo( void * infoBlock )
{
bb.intno = 0x10;
int paramType,
VBECRTCInfoBlock * timing )
{
double h_period_est, h_freq, h_period, h_total_pixels, h_sync_pixels;
double h_period, h_total_pixels, h_sync_pixels;
double h_active_pixels, h_ideal_duty_cycle, h_blank_pixels, pixel_freq = 0;
double v_sync_plus_bp = 0, v_total_lines = 0, v_field_rate_est, v_frame_rate = 0;
double v_sync_plus_bp = 0, v_total_lines = 0, v_frame_rate = 0;
const double h_pixels = (double) width;
const double v_lines = (double) height;
double v_field_rate_in = (double) paramValue;
// Estimate the horizontal period
h_period_est = ((1 / v_field_rate_in) - kMinVSyncPlusBP / 1000000) /
(v_lines + (2 * top_margin_lines) + kMinFrontPorch + interlace) *
1000000;
double h_period_est = ((1 / v_field_rate_in) - kMinVSyncPlusBP / 1000000) /
(v_lines + (2 * top_margin_lines) + kMinFrontPorch + interlace) *
1000000;
// Estimate the vertical field frequency
double v_field_rate_est = 1 / h_period_est / v_total_lines * 1000000;
// Number of lines in Vsync + back porch
v_sync_plus_bp = Round(kMinVSyncPlusBP / h_period_est);
v_total_lines = v_lines + top_margin_lines + bot_margin_lines +
v_sync_plus_bp + interlace + kMinFrontPorch;
// Estimate the vertical field frequency
v_field_rate_est = 1 / h_period_est / v_total_lines * 1000000;
// Find the actual horizontal period
h_period = h_period_est / (v_field_rate_in / v_field_rate_est);
if (paramType == kCRTCParamPixelClock)
{
// Horizontal frequency
h_freq = pixel_freq / h_total_pixels * 1000;
double h_freq = pixel_freq / h_total_pixels * 1000;
// Number of lines in V sync + back porch
v_sync_plus_bp = Round(kMinVSyncPlusBP * h_freq / 1000);

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Revision: 2444