Mercurial > sdl-ios-xcode

annotate src/video/win32/SDL_win32gamma.c @ 2247:93994f65c74c

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Removed hermes since it's LGPL and not compatible with a commercial license. Prepping for using MMX and SSE intrinsics instead of inline assembly. .. except for memcpy equivalents which only get faster if they can exploit the parallelism of loading into multiple SIMD registers. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 15 Aug 2007 08:21:10 +0000
parents c121d94672cb
children 99210400e8b9
rev   line source
1895
c121d94672cb SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_win32video.h"
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25
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26
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27 int
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28 WIN_SetDisplayGammaRamp(_THIS, Uint16 * ramp)
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29 {
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30 SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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31 HDC hdc;
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32 BOOL succeeded = FALSE;
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33
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34 hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
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35 if (hdc) {
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36 succeeded = SetDeviceGammaRamp(hdc, ramp);
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37 if (!succeeded) {
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38 WIN_SetError("SetDeviceGammaRamp()");
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39 }
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40 DeleteDC(hdc);
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41 }
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42 return succeeded ? 0 : -1;
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43 }
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44
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45 int
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46 WIN_GetDisplayGammaRamp(_THIS, Uint16 * ramp)
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47 {
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48 SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
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49 HDC hdc;
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50 BOOL succeeded = FALSE;
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51
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52 hdc = CreateDC(data->DeviceName, NULL, NULL, NULL);
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53 if (hdc) {
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54 succeeded = GetDeviceGammaRamp(hdc, ramp);
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55 if (!succeeded) {
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56 WIN_SetError("GetDeviceGammaRamp()");
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57 }
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58 DeleteDC(hdc);
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59 }
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60 return succeeded ? 0 : -1;
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61 }
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62
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63 /* vi: set ts=4 sw=4 expandtab: */