Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11dga.c @ 1312:c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
I batch edited these files, so please let me know if I've accidentally removed anybody's
credit here.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Wed, 01 Feb 2006 06:32:25 +0000 |
| parents | b8d311d90021 |
| children | 3692456e7b0f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
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1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
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Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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13 Lesser General Public License for more details. |
| 0 | 14 |
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1312
c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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15 You should have received a copy of the GNU Lesser General Public |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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16 License along with this library; if not, write to the Free Software |
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c9b51268668f
Updated copyright information and removed rcs id lines (problematic in branch merges)
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 /* This is currently only used to enable DGA mouse. | |
| 24 The new fullscreen code makes it very difficult to handle DGA dynamically. | |
| 25 There will be a completely separate DGA driver that is fullscreen-only. | |
| 26 */ | |
| 27 | |
| 28 #include <stdlib.h> /* For getenv() */ | |
| 29 #include "SDL_video.h" | |
| 30 #include "SDL_cursor_c.h" | |
| 31 #include "SDL_x11dga_c.h" | |
| 32 | |
| 33 /* Global for the error handler */ | |
| 34 int dga_event, dga_error = -1; | |
| 35 | |
| 36 void X11_EnableDGAMouse(_THIS) | |
| 37 { | |
| 38 #ifdef XFREE86_DGAMOUSE | |
| 39 int dga_major, dga_minor; | |
| 40 int use_dgamouse; | |
| 41 const char *env_use_dgamouse; | |
| 42 | |
| 43 /* Check configuration to see if we should use DGA mouse */ | |
| 44 #ifdef DEFAULT_DGAMOUSE | |
| 45 use_dgamouse = 1; | |
| 46 #else | |
| 47 use_dgamouse = 0; | |
| 48 #endif | |
| 49 env_use_dgamouse = getenv("SDL_VIDEO_X11_DGAMOUSE"); | |
| 50 if ( env_use_dgamouse ) { | |
| 51 use_dgamouse = atoi(env_use_dgamouse); | |
| 52 } | |
| 53 /* Check for buggy X servers */ | |
| 54 if ( use_dgamouse && BUGGY_XFREE86(==, 4000) ) { | |
| 55 use_dgamouse = 0; | |
| 56 } | |
| 57 /* Only use DGA mouse if the cursor is not showing (in relative mode) */ | |
| 58 if ( use_dgamouse && local_X11 && !(using_dga & DGA_MOUSE) && | |
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59 SDL_NAME(XF86DGAQueryExtension)(SDL_Display, &dga_event, &dga_error) && |
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Added SDL_LockRect() and SDL_UnlockRect()
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60 SDL_NAME(XF86DGAQueryVersion)(SDL_Display, &dga_major, &dga_minor) ) { |
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61 if ( SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, XF86DGADirectMouse) ) { |
| 0 | 62 using_dga |= DGA_MOUSE; |
| 63 } | |
| 64 } | |
| 65 #endif /* XFREE86_DGAMOUSE */ | |
| 66 } | |
| 67 | |
| 68 /* Argh. Glide resets DGA mouse mode when it makes the context current! */ | |
| 69 void X11_CheckDGAMouse(_THIS) | |
| 70 { | |
| 71 #ifdef XFREE86_DGAMOUSE | |
| 72 int flags; | |
| 73 | |
| 74 if ( using_dga & DGA_MOUSE ) { | |
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75 SDL_NAME(XF86DGAQueryDirectVideo)(SDL_Display, SDL_Screen, &flags); |
| 0 | 76 if ( ! (flags & XF86DGADirectMouse) ) { |
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77 SDL_NAME(XF86DGADirectVideo)(SDL_Display,SDL_Screen,XF86DGADirectMouse); |
| 0 | 78 } |
| 79 } | |
| 80 #endif | |
| 81 } | |
| 82 | |
| 83 void X11_DisableDGAMouse(_THIS) | |
| 84 { | |
| 85 #ifdef XFREE86_DGAMOUSE | |
| 86 if ( using_dga & DGA_MOUSE ) { | |
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87 SDL_NAME(XF86DGADirectVideo)(SDL_Display, SDL_Screen, 0); |
| 0 | 88 using_dga &= ~DGA_MOUSE; |
| 89 } | |
| 90 #endif /* XFREE86_DGAMOUSE */ | |
| 91 } |