Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /* |
| 2 | Copyright (c) 2009-2011 Apple Inc. |
||
| 3 | |||
| 4 | Permission is hereby granted, free of charge, to any person |
||
| 5 | obtaining a copy of this software and associated documentation files |
||
| 6 | (the "Software"), to deal in the Software without restriction, |
||
| 7 | including without limitation the rights to use, copy, modify, merge, |
||
| 8 | publish, distribute, sublicense, and/or sell copies of the Software, |
||
| 9 | and to permit persons to whom the Software is furnished to do so, |
||
| 10 | subject to the following conditions: |
||
| 11 | |||
| 12 | The above copyright notice and this permission notice shall be |
||
| 13 | included in all copies or substantial portions of the Software. |
||
| 14 | |||
| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
||
| 16 | EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
||
| 17 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
||
| 18 | NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT |
||
| 19 | HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
||
| 20 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
||
| 21 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
||
| 22 | DEALINGS IN THE SOFTWARE. |
||
| 23 | |||
| 24 | Except as contained in this notice, the name(s) of the above |
||
| 25 | copyright holders shall not be used in advertising or otherwise to |
||
| 26 | promote the sale, use or other dealings in this Software without |
||
| 27 | prior written authorization. |
||
| 28 | */ |
||
| 29 | |||
| 30 | /* This should be removed once stereo hardware bugs are fixed |
||
| 31 | * |
||
| 32 | */ |
||
| 33 | |||
| 34 | #include |
||
| 35 | |||
| 36 | #define GL_GLEXT_PROTOTYPES |
||
| 37 | #include |
||
| 38 | #include |
||
| 39 | |||
| 40 | #include "glxclient.h" |
||
| 41 | #include "apple_glx_context.h" |
||
| 42 | #include "apple_xgl_api.h" |
||
| 43 | #include "glapitable.h" |
||
| 44 | |||
| 45 | extern struct _glapi_table * __ogl_framework_api; |
||
| 46 | |||
| 47 | /* |
||
| 48 | * These are special functions for stereoscopic support |
||
| 49 | * differences in MacOS X. |
||
| 50 | */ |
||
| 51 | void |
||
| 52 | __applegl_glDrawBuffer(GLenum mode) |
||
| 53 | { |
||
| 54 | struct glx_context * gc = __glXGetCurrentContext(); |
||
| 55 | |||
| 56 | if (gc && apple_glx_context_uses_stereo(gc->driContext)) { |
||
| 57 | GLenum buf[2]; |
||
| 58 | GLsizei n = 0; |
||
| 59 | |||
| 60 | switch (mode) { |
||
| 61 | case GL_BACK: |
||
| 62 | buf[0] = GL_BACK_LEFT; |
||
| 63 | buf[1] = GL_BACK_RIGHT; |
||
| 64 | n = 2; |
||
| 65 | break; |
||
| 66 | case GL_FRONT: |
||
| 67 | buf[0] = GL_FRONT_LEFT; |
||
| 68 | buf[1] = GL_FRONT_RIGHT; |
||
| 69 | n = 2; |
||
| 70 | break; |
||
| 71 | |||
| 72 | default: |
||
| 73 | buf[0] = mode; |
||
| 74 | n = 1; |
||
| 75 | break; |
||
| 76 | } |
||
| 77 | |||
| 78 | __ogl_framework_api->DrawBuffersARB(n, buf); |
||
| 79 | } |
||
| 80 | else { |
||
| 81 | __ogl_framework_api->DrawBuffer(mode); |
||
| 82 | } |
||
| 83 | } |
||
| 84 | |||
| 85 | |||
| 86 | void |
||
| 87 | __applegl_glDrawBuffers(GLsizei n, const GLenum * bufs) |
||
| 88 | { |
||
| 89 | struct glx_context * gc = __glXGetCurrentContext(); |
||
| 90 | |||
| 91 | if (gc && apple_glx_context_uses_stereo(gc->driContext)) { |
||
| 92 | GLenum newbuf[n + 2]; |
||
| 93 | GLsizei i, outi = 0; |
||
| 94 | bool have_back = false; |
||
| 95 | bool have_front = false; |
||
| 96 | |||
| 97 | for (i = 0; i < n; ++i) { |
||
| 98 | if (GL_BACK == bufs[i]) { |
||
| 99 | have_back = true; |
||
| 100 | } |
||
| 101 | else if (GL_FRONT == bufs[i]) { |
||
| 102 | have_back = true; |
||
| 103 | } |
||
| 104 | else { |
||
| 105 | newbuf[outi++] = bufs[i]; |
||
| 106 | } |
||
| 107 | } |
||
| 108 | |||
| 109 | if (have_back) { |
||
| 110 | newbuf[outi++] = GL_BACK_LEFT; |
||
| 111 | newbuf[outi++] = GL_BACK_RIGHT; |
||
| 112 | } |
||
| 113 | |||
| 114 | if (have_front) { |
||
| 115 | newbuf[outi++] = GL_FRONT_LEFT; |
||
| 116 | newbuf[outi++] = GL_FRONT_RIGHT; |
||
| 117 | } |
||
| 118 | |||
| 119 | __ogl_framework_api->DrawBuffersARB(outi, newbuf); |
||
| 120 | } |
||
| 121 | else { |
||
| 122 | __ogl_framework_api->DrawBuffersARB(n, bufs); |
||
| 123 | } |
||
| 124 | } |