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Remove X11GAMMA support from code.

Browse source 
This just deletes the X11GAMMA code. It doesn't make use of some
refactoring opportunities that're now possible. That will be done
at a later time.
This commit is contained in:
Yamagi Burmeister 2018-07-16 13:58:57 +02:00
parent 307d5eecf7
commit 759bc1be18
2 changed files with 1 additions and 209 deletions
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6
src/client/refresh/gl1/gl1_main.c
View file

@ -1399,12 +1399,6 @@ RI_Init()
R_Printf(PRINT_ALL, " + Retexturing support\n");
#ifdef X11GAMMA
R_Printf(PRINT_ALL, " + Gamma via X11\n\n");
#else
R_Printf(PRINT_ALL, " - Gamma via X11\n\n");
#endif
Draw_GetPalette();
R_Register();

204
src/client/refresh/gl1/gl1_sdl.c
View file

@ -39,22 +39,6 @@
#include <GL/gl.h>
#endif
/* X.org stuff - put this here as more modern renderers wouldn't need it
* e.g. an OpenGL3 renderer could just apply gamma through a shader */
#ifdef X11GAMMA
#include <X11/Xos.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/xf86vmode.h>
#include <X11/extensions/Xrandr.h>
#include <SDL_syswm.h>
XRRCrtcGamma** gammaRamps = NULL;
int noGammaRamps = 0;
#endif
#if SDL_VERSION_ATLEAST(2, 0, 0)
static SDL_Window* window = NULL;
static SDL_GLContext context = NULL;
@ -116,68 +100,6 @@ void CalculateGammaRamp(float gamma, Uint16* ramp, int len)
}
}
/*
* Sets the hardware gamma
*/
#ifdef X11GAMMA
void
UpdateHardwareGamma(void)
{
float gamma = (vid_gamma->value);
int i;
Display* dpy = NULL;
SDL_SysWMinfo info;
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_VERSION(&info.version);
if(!SDL_GetWindowWMInfo(window, &info))
#else
if(SDL_GetWMInfo(&info) != 1)
#endif
{
R_Printf(PRINT_ALL, "Couldn't get Window info from SDL\n");
return;
}
dpy = info.info.x11.display;
XRRScreenResources* res = XRRGetScreenResources(dpy, info.info.x11.window);
if(res == NULL)
{
R_Printf(PRINT_ALL, "Unable to get xrandr screen resources.\n");
return;
}
for(i=0; i < res->ncrtc; ++i)
{
int len = XRRGetCrtcGammaSize(dpy, res->crtcs[i]);
size_t rampSize = len*sizeof(Uint16);
Uint16* ramp = malloc(rampSize); // TODO: check for NULL
if(ramp == NULL)
{
R_Printf(PRINT_ALL, "Couldn't allocate &zd byte of memory for gamma ramp - OOM?!\n", rampSize);
return;
}
CalculateGammaRamp(gamma, ramp, len);
XRRCrtcGamma* gamma = XRRAllocGamma(len);
memcpy(gamma->red, ramp, rampSize);
memcpy(gamma->green, ramp, rampSize);
memcpy(gamma->blue, ramp, rampSize);
free(ramp);
XRRSetCrtcGamma(dpy, res->crtcs[i], gamma);
XRRFreeGamma(gamma);
}
XRRFreeScreenResources(res);
}
#else // no X11GAMMA
void
UpdateHardwareGamma(void)
{
@ -193,135 +115,15 @@ UpdateHardwareGamma(void)
R_Printf(PRINT_ALL, "Setting gamma failed: %s\n", SDL_GetError());
}
}
#endif // X11GAMMA
static void InitGamma()
{
#ifdef X11GAMMA
int i=0;
SDL_SysWMinfo info;
Display* dpy = NULL;
if(gammaRamps != NULL) // already saved gamma
return;
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_VERSION(&info.version);
if(!SDL_GetWindowWMInfo(window, &info))
#else
if(SDL_GetWMInfo(&info) != 1)
#endif
{
R_Printf(PRINT_ALL, "Couldn't get Window info from SDL\n");
return;
}
dpy = info.info.x11.display;
XRRScreenResources* res = XRRGetScreenResources(dpy, info.info.x11.window);
if(res == NULL)
{
R_Printf(PRINT_ALL, "Unable to get xrandr screen resources.\n");
return;
}
noGammaRamps = res->ncrtc;
gammaRamps = calloc(noGammaRamps, sizeof(XRRCrtcGamma*));
if(gammaRamps == NULL) {
R_Printf(PRINT_ALL, "Couldn't allocate memory for %d gamma ramps - OOM?!\n", noGammaRamps);
return;
}
for(i=0; i < noGammaRamps; ++i)
{
int len = XRRGetCrtcGammaSize(dpy, res->crtcs[i]);
size_t rampSize = len*sizeof(Uint16);
XRRCrtcGamma* origGamma = XRRGetCrtcGamma(dpy, res->crtcs[i]);
XRRCrtcGamma* gammaCopy = XRRAllocGamma(len);
memcpy(gammaCopy->red, origGamma->red, rampSize);
memcpy(gammaCopy->green, origGamma->green, rampSize);
memcpy(gammaCopy->blue, origGamma->blue, rampSize);
gammaRamps[i] = gammaCopy;
}
XRRFreeScreenResources(res);
R_Printf(PRINT_ALL, "Using hardware gamma via X11/xRandR.\n");
#elif __APPLE__
gl_state.hwgamma = false;
R_Printf(PRINT_ALL, "Using software gamma (needs vid_restart after changes)\n");
return;
#else
R_Printf(PRINT_ALL, "Using hardware gamma via SDL.\n");
#endif
gl_state.hwgamma = true;
vid_gamma->modified = true;
}
#ifdef X11GAMMA
static void RestoreGamma()
{
int i=0;
SDL_SysWMinfo info;
Display* dpy = NULL;
if(gammaRamps == NULL)
return;
#if SDL_VERSION_ATLEAST(2, 0, 0)
SDL_VERSION(&info.version);
if(!SDL_GetWindowWMInfo(window, &info))
#else
if(SDL_GetWMInfo(&info) != 1)
#endif
{
R_Printf(PRINT_ALL, "Couldn't get Window info from SDL\n");
return;
}
dpy = info.info.x11.display;
XRRScreenResources* res = XRRGetScreenResources(dpy, info.info.x11.window);
if(res == NULL)
{
R_Printf(PRINT_ALL, "Unable to get xrandr screen resources.\n");
return;
}
for(i=0; i < noGammaRamps; ++i)
{
// in case a display was unplugged or something, noGammaRamps may be > res->ncrtc
if(i < res->ncrtc)
{
int len = XRRGetCrtcGammaSize(dpy, res->crtcs[i]);
if(len != gammaRamps[i]->size) {
R_Printf(PRINT_ALL, "WTF, gamma ramp size for display %d has changed from %d to %d!\n",
i, gammaRamps[i]->size, len);
continue;
}
XRRSetCrtcGamma(dpy, res->crtcs[i], gammaRamps[i]);
}
// the ramp needs to be free()d either way
XRRFreeGamma(gammaRamps[i]);
gammaRamps[i] = NULL;
}
XRRFreeScreenResources(res);
free(gammaRamps);
gammaRamps = NULL;
R_Printf(PRINT_ALL, "Restored original Gamma\n");
}
#endif // X11GAMMA
// called by GLimp_InitGraphics() before creating window,
// returns flags for SDL window creation
int RI_PrepareForWindow(void)
@ -487,10 +289,6 @@ RI_EndFrame(void)
void
RI_ShutdownWindow(qboolean contextOnly)
{
#ifdef X11GAMMA
RestoreGamma();
#endif
/* Clear the backbuffer and make it
current. This may help some broken
video drivers like the AMD Catalyst