mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-25 21:51:04 +00:00
73 lines
1.2 KiB
C++
73 lines
1.2 KiB
C++
/*
|
|
** WIN_GAMMA.C
|
|
*/
|
|
// leave this as first line for PCH reasons...
|
|
//
|
|
//#include "../server/exe_headers.h"
|
|
|
|
|
|
|
|
#include <assert.h>
|
|
#include "../game/q_shared.h"
|
|
#include "../renderer/tr_local.h"
|
|
#include "../qcommon/qcommon.h"
|
|
#include "win_local.h"
|
|
|
|
#if defined(_XBOX)
|
|
#include "glw_win_dx8.h"
|
|
#endif
|
|
|
|
|
|
/*
|
|
** WG_CheckHardwareGamma
|
|
**
|
|
** Determines if the underlying hardware supports the Win32 gamma correction API.
|
|
*/
|
|
void WG_CheckHardwareGamma( void )
|
|
{
|
|
glConfig.deviceSupportsGamma = qtrue;
|
|
}
|
|
|
|
/*
|
|
** GLimp_SetGamma
|
|
**
|
|
** This routine should only be called if glConfig.deviceSupportsGamma is TRUE
|
|
*/
|
|
void GLimp_SetGamma( float g ) {
|
|
#if defined(_GAMECUBE)
|
|
GXGamma gamma = GX_GM_1_0;
|
|
if (g >= 2.2f)
|
|
{
|
|
gamma = GX_GM_2_2;
|
|
}
|
|
else if (g >= 1.7f)
|
|
{
|
|
gamma = GX_GM_1_7;
|
|
}
|
|
GXSetDispCopyGamma(gamma);
|
|
#elif defined(_XBOX)
|
|
const int maxval = 255;
|
|
|
|
D3DGAMMARAMP ramp;
|
|
for ( int i = 0; i < 256; i++ )
|
|
{
|
|
int inf;
|
|
if ( g == 1 ) {
|
|
inf = maxval * i / 255.0f;
|
|
} else {
|
|
inf = maxval * pow ( i/255.0f, 1.0f / g ) + 0.5f;
|
|
}
|
|
if (inf < 0) {
|
|
inf = 0;
|
|
}
|
|
if (inf > maxval) {
|
|
inf = maxval;
|
|
}
|
|
ramp.red[i] = inf;
|
|
ramp.green[i] = inf;
|
|
ramp.blue[i] = inf;
|
|
}
|
|
glw_state->device->SetGammaRamp(D3DSGR_CALIBRATE, &ramp);
|
|
#endif
|
|
}
|
|
|