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modegen: Round display clocks up instead of down

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Fixes oboe getting 29fps for vrefresh or whatever

Stops using floats here too, floats bad.
This commit is contained in:
Joshua Ashton 2022-01-31 23:18:45 +00:00 committed by Joshie
parent 02e0086856
commit 9fa6fcd9ac
2 changed files with 7 additions and 9 deletions
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14
src/modegen.cpp
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@ -268,17 +268,15 @@ void generate_cvt_mode(drmModeModeInfo *mode, int hdisplay, int vdisplay,
}
}
void generate_fixed_mode(drmModeModeInfo *mode, const drmModeModeInfo *base, float vrefresh)
void generate_fixed_mode(drmModeModeInfo *mode, const drmModeModeInfo *base, int vrefresh)
{
*mode = *base;
if (!vrefresh) {
vrefresh = 60.0;
}
if (!vrefresh)
vrefresh = 60;
mode->clock = (mode->htotal * mode->vtotal) / 1000.0 * vrefresh;
mode->vrefresh = (1000.0 * ((float) mode->clock)) /
((float) (mode->htotal * mode->vtotal));
mode->clock = ( ( mode->htotal * mode->vtotal * vrefresh ) + 499 ) / 1000;
mode->vrefresh = (1000 * mode->clock) / (mode->htotal * mode->vtotal);
snprintf(mode->name, sizeof(mode->name), "%dx%d@%.2f", mode->hdisplay, mode->vdisplay, vrefresh);
snprintf(mode->name, sizeof(mode->name), "%dx%d@%d.00", mode->hdisplay, mode->vdisplay, vrefresh);
}

2
src/modegen.hpp
View file

@ -9,4 +9,4 @@
void generate_cvt_mode(drmModeModeInfo *mode, int hdisplay, int vdisplay,
float vrefresh, bool reduced, bool interlaced);
void generate_fixed_mode(drmModeModeInfo *mode, const drmModeModeInfo *base,
float vrefresh);
int vrefresh);