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Added gamma ramp code to the XVidMode interface.

This commit is contained in:
Ove Kaaven 2001-03-20 01:24:08 +00:00 committed by Alexandre Julliard
parent 529eaed93a
commit 313051f9d6
5 changed files with 396 additions and 27 deletions
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202
dlls/x11drv/x11ddraw.c
View File

@ -4,56 +4,180 @@
* Copyright 2001 TransGaming Technologies, Inc.
*/
#include "ts_xlib.h"
#include "x11drv.h"
#include "x11ddraw.h"
#include "xvidmode.h"
#include "windef.h"
#include "wingdi.h"
#include "ddrawi.h"
#include "xvidmode.h"
#include "bitmap.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(x11drv);
LPDDRAWI_DDRAWSURFACE_LCL X11DRV_DD_Primary;
LPDDRAWI_DDRAWSURFACE_GBL X11DRV_DD_PrimaryGbl;
HBITMAP X11DRV_DD_PrimaryDIB;
Drawable X11DRV_DD_PrimaryDrawable;
ATOM X11DRV_DD_UserClass;
BOOL X11DRV_DD_IsDirect;
static void SetPrimaryDIB(HBITMAP hBmp)
{
X11DRV_DD_PrimaryDIB = hBmp;
if (hBmp) {
BITMAPOBJ *bmp;
bmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC );
X11DRV_DD_PrimaryDrawable = (Pixmap)bmp->physBitmap;
GDI_ReleaseObj( hBmp );
} else {
X11DRV_DD_PrimaryDrawable = 0;
}
}
static DWORD PASCAL X11DRV_DDHAL_DestroyDriver(LPDDHAL_DESTROYDRIVERDATA data)
{
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DWORD PASCAL X11DRV_DDHAL_SetMode(LPDDHAL_SETMODEDATA data)
static DWORD PASCAL X11DRV_DDHAL_CreateSurface(LPDDHAL_CREATESURFACEDATA data)
{
#ifdef HAVE_LIBXXF86VM
if (xf86vm_mode_count) {
X11DRV_XF86VM_SetCurrentMode(data->dwModeIndex);
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
if (data->lpDDSurfaceDesc->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE) {
X11DRV_DD_Primary = *data->lplpSList;
X11DRV_DD_PrimaryGbl = X11DRV_DD_Primary->lpGbl;
SetPrimaryDIB(GET_LPDDRAWSURFACE_GBL_MORE(X11DRV_DD_PrimaryGbl)->hKernelSurface);
X11DRV_DD_UserClass = GlobalFindAtomA("WINE_DDRAW");
}
#endif
data->ddRVal = DD_OK;
return DDHAL_DRIVER_NOTHANDLED;
}
static DWORD PASCAL X11DRV_DDHAL_CreatePalette(LPDDHAL_CREATEPALETTEDATA data)
{
FIXME("stub\n");
/* only makes sense to do anything if the X server is running at 8bpp,
* which few people do nowadays */
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DDHAL_DDCALLBACKS hal_ddcallbacks = {
sizeof(DDHAL_DDCALLBACKS),
0x3ff, /* all callbacks are 32-bit */
X11DRV_DDHAL_DestroyDriver,
NULL, /* CreateSurface */
X11DRV_DDHAL_CreateSurface,
NULL, /* SetColorKey */
X11DRV_DDHAL_SetMode,
NULL, /* SetMode */
NULL, /* WaitForVerticalBlank */
NULL, /* CanCreateSurface */
NULL, /* CreatePalette */
X11DRV_DDHAL_CreatePalette,
NULL, /* GetScanLine */
NULL, /* SetExclusiveMode */
NULL /* FlipToGDISurface */
};
static DWORD PASCAL X11DRV_DDHAL_DestroySurface(LPDDHAL_DESTROYSURFACEDATA data)
{
if (data->lpDDSurface == X11DRV_DD_Primary) {
X11DRV_DD_Primary = NULL;
X11DRV_DD_PrimaryGbl = NULL;
SetPrimaryDIB(0);
X11DRV_DD_UserClass = 0;
}
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DWORD PASCAL X11DRV_DDHAL_SetPalette(LPDDHAL_SETPALETTEDATA data)
{
Colormap pal = data->lpDDPalette->u1.dwReserved1;
if (pal) {
if (data->lpDDSurface == X11DRV_DD_Primary) {
FIXME("stub\n");
/* we should probably find the ddraw window (maybe data->lpDD->lpExclusiveOwner->hWnd),
* and attach the palette to it */
}
}
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DDHAL_DDSURFACECALLBACKS hal_ddsurfcallbacks = {
sizeof(DDHAL_DDSURFACECALLBACKS),
0x3fff, /* all callbacks are 32-bit */
X11DRV_DDHAL_DestroySurface,
NULL, /* Flip */
NULL, /* SetClipList */
NULL, /* Lock */
NULL, /* Unlock */
NULL, /* Blt */
NULL, /* SetColorKey */
NULL, /* AddAttachedSurface */
NULL, /* GetBltStatus */
NULL, /* GetFlipStatus */
NULL, /* UpdateOverlay */
NULL, /* SetOverlayPosition */
NULL, /* reserved4 */
X11DRV_DDHAL_SetPalette
};
static DWORD PASCAL X11DRV_DDHAL_DestroyPalette(LPDDHAL_DESTROYPALETTEDATA data)
{
Colormap pal = data->lpDDPalette->u1.dwReserved1;
if (pal) TSXFreeColormap(display, pal);
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DWORD PASCAL X11DRV_DDHAL_SetPaletteEntries(LPDDHAL_SETENTRIESDATA data)
{
X11DRV_DDHAL_SetPalEntries(data->lpDDPalette->u1.dwReserved1,
data->dwBase, data->dwNumEntries,
data->lpEntries);
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
static DDHAL_DDPALETTECALLBACKS hal_ddpalcallbacks = {
sizeof(DDHAL_DDPALETTECALLBACKS),
0x3, /* all callbacks are 32-bit */
X11DRV_DDHAL_DestroyPalette,
X11DRV_DDHAL_SetPaletteEntries
};
static DDHALINFO hal_info = {
sizeof(DDHALINFO),
&hal_ddcallbacks,
/* more stuff */
&hal_ddsurfcallbacks,
&hal_ddpalcallbacks,
{ /* vmiData */
0 /* fpPrimary */
},
{ /* ddCaps */
sizeof(DDCORECAPS)
},
0, /* dwMonitorFrequency */
NULL, /* GetDriverInfo */
0, /* dwModeIndex */
NULL, /* lpdwFourCC */
0, /* dwNumModes */
NULL, /* lpModeInfo */
DDHALINFO_ISPRIMARYDISPLAY | DDHALINFO_MODEXILLEGAL, /* dwFlags */
NULL, /* lpPDevice */
0 /* hInstance */
};
static LPDDHALDDRAWFNS ddraw_fns;
static DWORD ddraw_ver;
static void X11DRV_DDHAL_SetInfo(void)
{
(ddraw_fns->lpSetInfo)(&hal_info, FALSE);
}
INT X11DRV_DCICommand(INT cbInput, LPVOID lpInData, LPVOID lpOutData)
{
LPDCICMD lpCmd = (LPDCICMD)lpInData;
@ -81,7 +205,7 @@ INT X11DRV_DCICommand(INT cbInput, LPVOID lpInData, LPVOID lpOutData)
* would contain the 32-bit ddraw HAL */
strcpy(lpData->szName,"x11drv");
/* the entry point named here should initialize our hal_info
* with 32-bit entry points */
* with 32-bit entry points (ignored for now) */
strcpy(lpData->szEntryPoint,"DriverInit");
lpData->dwContext = 0;
}
@ -90,12 +214,15 @@ INT X11DRV_DCICommand(INT cbInput, LPVOID lpInData, LPVOID lpOutData)
{
LPDWORD lpInstance = (LPDWORD)lpOutData;
#ifdef HAVE_LIBXXF86VM
hal_info.dwNumModes = xf86vm_mode_count;
hal_info.lpModeInfo = xf86vm_modes;
hal_info.dwModeIndex = X11DRV_XF86VM_GetCurrentMode();
#endif
/* FIXME: get x11drv's hInstance */
#ifdef HAVE_LIBXXF86DGA2
/*if (!X11DRV_XF86DGA2_CreateDriver(&hal_info))*/
#endif
{
#ifdef HAVE_LIBXXF86VM
X11DRV_XF86VM_CreateDriver(&hal_info);
#endif
}
(ddraw_fns->lpSetInfo)(&hal_info, FALSE);
*lpInstance = hal_info.hInstance;
@ -104,3 +231,42 @@ INT X11DRV_DCICommand(INT cbInput, LPVOID lpInData, LPVOID lpOutData)
}
return 0;
}
void X11DRV_DDHAL_SwitchMode(DWORD dwModeIndex, LPVOID fb_addr)
{
LPDDHALMODEINFO info = &hal_info.lpModeInfo[dwModeIndex];
hal_info.dwModeIndex = dwModeIndex;
hal_info.dwMonitorFrequency = info->wRefreshRate;
hal_info.vmiData.fpPrimary = (FLATPTR)fb_addr;
hal_info.vmiData.dwDisplayWidth = info->dwWidth;
hal_info.vmiData.dwDisplayHeight = info->dwHeight;
hal_info.vmiData.lDisplayPitch = info->lPitch;
hal_info.vmiData.ddpfDisplay.dwSize = info->dwBPP ? sizeof(hal_info.vmiData.ddpfDisplay) : 0;
hal_info.vmiData.ddpfDisplay.dwFlags = (info->wFlags & DDMODEINFO_PALETTIZED) ? DDPF_PALETTEINDEXED8 : 0;
hal_info.vmiData.ddpfDisplay.u1.dwRGBBitCount = (info->dwBPP > 24) ? 24 : info->dwBPP;
hal_info.vmiData.ddpfDisplay.u2.dwRBitMask = info->dwRBitMask;
hal_info.vmiData.ddpfDisplay.u3.dwGBitMask = info->dwGBitMask;
hal_info.vmiData.ddpfDisplay.u4.dwBBitMask = info->dwBBitMask;
X11DRV_DDHAL_SetInfo();
}
void X11DRV_DDHAL_SetPalEntries(Colormap pal, DWORD dwBase, DWORD dwNumEntries,
LPPALETTEENTRY lpEntries)
{
XColor c;
int n;
if (pal) {
c.flags = DoRed|DoGreen|DoBlue;
c.pixel = dwBase;
for (n=0; n<dwNumEntries; n++,c.pixel++) {
c.red = lpEntries[n].peRed << 8;
c.green = lpEntries[n].peGreen << 8;
c.blue = lpEntries[n].peBlue << 8;
TSXStoreColor(display, pal, &c);
}
TSXFlush(display); /* update display immediate */
}
}

21
dlls/x11drv/x11ddraw.h Normal file
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@ -0,0 +1,21 @@
/*
* DirectDraw HAL base interface
*
* Copyright 2001 TransGaming Technologies, Inc.
*/
#ifndef __WINE_X11DDRAW_H
#define __WINE_X11DDRAW_H
#include "config.h"
#include "ddrawi.h"
extern LPDDRAWI_DDRAWSURFACE_LCL X11DRV_DD_Primary;
extern LPDDRAWI_DDRAWSURFACE_GBL X11DRV_DD_PrimaryGbl;
extern HBITMAP X11DRV_DD_PrimaryDIB;
extern BOOL X11DRV_DD_IsDirect;
void X11DRV_DDHAL_SwitchMode(DWORD dwModeIndex, LPVOID fb_addr);
void X11DRV_DDHAL_SetPalEntries(Colormap pal, DWORD dwBase, DWORD dwNumEntries,
LPPALETTEENTRY lpEntries);
#endif /* __WINE_X11DDRAW_H */

192
dlls/x11drv/xvidmode.c
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@ -6,9 +6,6 @@
#include "config.h"
/* FIXME: XVidMode also includes gamma functions,
* we could perhaps use it to implement Get/SetGammaRamp */
/* FIXME: ChangeDisplaySettings ought to be able to use this */
#ifdef HAVE_LIBXXF86VM
@ -16,6 +13,8 @@
#include "ts_xlib.h"
#include "ts_xf86vmode.h"
#include "x11drv.h"
#include "x11ddraw.h"
#include "xvidmode.h"
#include "windef.h"
#include "wingdi.h"
@ -24,6 +23,8 @@
DEFAULT_DEBUG_CHANNEL(x11drv);
static int xf86vm_event, xf86vm_error, xf86vm_major, xf86vm_minor;
LPDDHALMODEINFO xf86vm_modes;
unsigned xf86vm_mode_count;
XF86VidModeModeInfo** modes;
@ -56,16 +57,17 @@ static void convert_modeline(int dotclock, XF86VidModeModeLine *mode, LPDDHALMOD
void X11DRV_XF86VM_Init(void)
{
int nmodes, major, minor, i;
int nmodes, i;
if (xf86vm_modes) return; /* already initialized? */
if (xf86vm_major) return; /* already initialized? */
/* see if XVidMode is available */
if (!TSXF86VidModeQueryExtension(display, &xf86vm_event, &xf86vm_error)) return;
if (!TSXF86VidModeQueryVersion(display, &xf86vm_major, &xf86vm_minor)) return;
/* if in desktop mode, don't use XVidMode */
if (X11DRV_GetXRootWindow() != DefaultRootWindow(display)) return;
/* see if XVidMode is available */
if (!TSXF86VidModeQueryVersion(display, &major, &minor)) return;
/* retrieve modes */
if (!TSXF86VidModeGetAllModeLines(display, DefaultScreen(display), &nmodes,
&modes))
@ -85,7 +87,7 @@ void X11DRV_XF86VM_Init(void)
void X11DRV_XF86VM_Cleanup(void)
{
TSXFree(modes);
if (modes) TSXFree(modes);
}
int X11DRV_XF86VM_GetCurrentMode(void)
@ -94,6 +96,8 @@ int X11DRV_XF86VM_GetCurrentMode(void)
int dotclock, i;
DDHALMODEINFO cmode;
if (!xf86vm_modes) return 0; /* no XVidMode */
TRACE("Querying XVidMode current mode\n");
TSXF86VidModeGetModeLine(display, DefaultScreen(display), &dotclock, &line);
convert_modeline(dotclock, &line, &cmode);
@ -108,6 +112,8 @@ int X11DRV_XF86VM_GetCurrentMode(void)
void X11DRV_XF86VM_SetCurrentMode(int mode)
{
if (!xf86vm_modes) return; /* no XVidMode */
TSXF86VidModeSwitchToMode(display, DefaultScreen(display), modes[mode]);
TSXF86VidModeSetViewPort(display, DefaultScreen(display), 0, 0);
TSXSync(display, False);
@ -115,7 +121,175 @@ void X11DRV_XF86VM_SetCurrentMode(int mode)
void X11DRV_XF86VM_SetExclusiveMode(int lock)
{
if (!xf86vm_modes) return; /* no XVidMode */
TSXF86VidModeLockModeSwitch(display, DefaultScreen(display), lock);
}
/* actual DirectDraw HAL stuff */
static DWORD PASCAL X11DRV_XF86VM_SetMode(LPDDHAL_SETMODEDATA data)
{
X11DRV_XF86VM_SetCurrentMode(data->dwModeIndex);
X11DRV_DDHAL_SwitchMode(data->dwModeIndex, NULL);
data->ddRVal = DD_OK;
return DDHAL_DRIVER_HANDLED;
}
int X11DRV_XF86VM_CreateDriver(LPDDHALINFO info)
{
if (!xf86vm_mode_count) return 0; /* no XVidMode */
info->dwNumModes = xf86vm_mode_count;
info->lpModeInfo = xf86vm_modes;
X11DRV_DDHAL_SwitchMode(X11DRV_XF86VM_GetCurrentMode(), NULL);
info->lpDDCallbacks->SetMode = X11DRV_XF86VM_SetMode;
return TRUE;
}
/***** GAMMA CONTROL *****/
/* (only available in XF86VidMode 2.x) */
#ifdef X_XF86VidModeSetGamma
static void GenerateRampFromGamma(WORD ramp[256], float gamma)
{
float r_gamma = 1/gamma;
unsigned i;
TRACE("gamma is %f\n", r_gamma);
for (i=0; i<256; i++)
ramp[i] = pow(i/255.0, r_gamma) * 65535.0;
}
static BOOL ComputeGammaFromRamp(WORD ramp[256], float *gamma)
{
float r_x, r_y, r_lx, r_ly, r_d, r_v, r_e, g_avg, g_min, g_max;
unsigned i, f, l, g_n, c;
f = ramp[0];
l = ramp[255];
if (f >= l) {
ERR("inverted or flat gamma ramp (%d->%d), rejected\n", f, l);
return FALSE;
}
r_d = l - f;
g_min = g_max = g_avg = 0.0;
/* check gamma ramp entries to estimate the gamma */
TRACE("analyzing gamma ramp (%d->%d)\n", f, l);
for (i=1, g_n=0; i<255; i++) {
if (ramp[i] < f || ramp[i] > l) {
ERR("strange gamma ramp ([%d]=%d for %d->%d), rejected\n", i, ramp[i], f, l);
return FALSE;
}
c = ramp[i] - f;
if (!c) continue; /* avoid log(0) */
/* normalize entry values into 0..1 range */
r_x = i/255.0; r_y = c / r_d;
/* compute logarithms of values */
r_lx = log(r_x); r_ly = log(r_y);
/* compute gamma for this entry */
r_v = r_ly / r_lx;
/* compute differential (error estimate) for this entry */
/* some games use table-based logarithms that magnifies the error by 128 */
r_e = -r_lx * 128 / (c * r_lx * r_lx);
/* compute min & max while compensating for estimated error */
if (!g_n || g_min > (r_v + r_e)) g_min = r_v + r_e;
if (!g_n || g_max < (r_v - r_e)) g_max = r_v - r_e;
/* add to average */
g_avg += r_v;
g_n++;
/* TRACE("[%d]=%d, gamma=%f, error=%f\n", i, ramp[i], r_v, r_e); */
}
if (!g_n) {
ERR("no gamma data, shouldn't happen\n");
return FALSE;
}
g_avg /= g_n;
TRACE("low bias is %d, high is %d, gamma is %5.3f\n", f, 65535-l, g_avg);
/* the bias could be because the app wanted something like a "red shift"
* like when you're hit in Quake, but XVidMode doesn't support it,
* so we have to reject a significant bias */
if (f && f > (pow(1/255.0, g_avg) * 65536.0)) {
ERR("low-biased gamma ramp (%d), rejected\n", f);
return FALSE;
}
/* check that the gamma is reasonably uniform across the ramp */
if (g_max - g_min > 0.1) {
ERR("ramp not uniform (max=%f, min=%f, avg=%f), rejected\n", g_max, g_min, g_avg);
return FALSE;
}
/* ok, now we're pretty sure we can set the desired gamma ramp,
* so go for it */
*gamma = 1/g_avg;
return TRUE;
}
#endif /* X_XF86VidModeSetGamma */
/* Hmm... should gamma control be available in desktop mode or not?
* I'll assume that it should */
BOOL X11DRV_XF86VM_GetGammaRamp(LPDDGAMMARAMP ramp)
{
#ifdef X_XF86VidModeSetGamma
XF86VidModeGamma gamma;
Bool ret;
if (xf86vm_major < 2) return FALSE; /* no gamma control */
wine_tsx11_lock();
ret = XF86VidModeGetGamma(display, DefaultScreen(display), &gamma);
wine_tsx11_unlock();
if (ret) {
GenerateRampFromGamma(ramp->red, gamma.red);
GenerateRampFromGamma(ramp->green, gamma.green);
GenerateRampFromGamma(ramp->blue, gamma.blue);
return TRUE;
}
#endif /* X_XF86VidModeSetGamma */
return FALSE;
}
BOOL X11DRV_XF86VM_SetGammaRamp(LPDDGAMMARAMP ramp)
{
#ifdef X_XF86VidModeSetGamma
XF86VidModeGamma gamma;
if (xf86vm_major < 2) return FALSE; /* no gamma control */
if (ComputeGammaFromRamp(ramp->red, &gamma.red) &&
ComputeGammaFromRamp(ramp->green, &gamma.green) &&
ComputeGammaFromRamp(ramp->blue, &gamma.blue)) {
Bool ret;
wine_tsx11_lock();
ret = XF86VidModeSetGamma(display, DefaultScreen(display), &gamma);
wine_tsx11_unlock();
return ret;
}
#endif /* X_XF86VidModeSetGamma */
return FALSE;
}
#endif /* HAVE_LIBXXF86VM */
/* FIXME: should move these somewhere appropriate, but probably not before
* the stuff in graphics/x11drv/ has been moved to dlls/x11drv, so that
* they can include xvidmode.h directly */
BOOL X11DRV_GetDeviceGammaRamp(DC *dc, LPVOID ramp)
{
#ifdef HAVE_LIBXXF86VM
return X11DRV_XF86VM_GetGammaRamp(ramp);
#else
return FALSE;
#endif
}
BOOL X11DRV_SetDeviceGammaRamp(DC *dc, LPVOID ramp)
{
#ifdef HAVE_LIBXXF86VM
return X11DRV_XF86VM_SetGammaRamp(ramp);
#else
return FALSE;
#endif
}

4
dlls/x11drv/xvidmode.h
View File

@ -17,6 +17,10 @@ void X11DRV_XF86VM_Cleanup(void);
int X11DRV_XF86VM_GetCurrentMode(void);
void X11DRV_XF86VM_SetCurrentMode(int mode);
void X11DRV_XF86VM_SetExclusiveMode(int lock);
int X11DRV_XF86VM_CreateDriver(LPDDHALINFO info);
BOOL X11DRV_XF86VM_GetGammaRamp(LPDDGAMMARAMP ramp);
BOOL X11DRV_XF86VM_SetGammaRamp(LPDDGAMMARAMP ramp);
#endif /* HAVE_LIBXXF86VM */
#endif /* __WINE_XVIDMODE_H */

4
include/x11drv.h
View File

@ -158,6 +158,8 @@ extern INT X11DRV_DeviceBitmapBits( struct tagDC *dc, HBITMAP hbitmap,
WORD fGet, UINT startscan,
UINT lines, LPSTR bits,
LPBITMAPINFO info, UINT coloruse );
extern BOOL X11DRV_GetDeviceGammaRamp( struct tagDC *dc, LPVOID ramp );
extern BOOL X11DRV_SetDeviceGammaRamp( struct tagDC *dc, LPVOID ramp );
/* OpenGL / X11 driver functions */
extern int X11DRV_ChoosePixelFormat(DC *dc, const PIXELFORMATDESCRIPTOR *pppfd) ;
@ -269,6 +271,8 @@ void X11DRV_DIB_CopyDIBSection(DC *dcSrc, DC *dcDst,
DWORD xDest, DWORD yDest,
DWORD width, DWORD height);
extern INT X11DRV_DCICommand(INT cbInput, LPVOID lpInData, LPVOID lpOutData);
/**************************************************************************
* X11 GDI driver
*/