Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_wingl_c.h @ 894:1d1a823904d8
Don't crash if the stretch routines are used on hardware surfaces
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 16 May 2004 21:08:55 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
rev | line source |
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0 | 1 /* |
2 SDL - Simple DirectMedia Layer | |
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3 Copyright (C) 1997-2004 Sam Lantinga |
0 | 4 |
5 This library is free software; you can redistribute it and/or | |
6 modify it under the terms of the GNU Library General Public | |
7 License as published by the Free Software Foundation; either | |
8 version 2 of the License, or (at your option) any later version. | |
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 | |
13 Library General Public License for more details. | |
14 | |
15 You should have received a copy of the GNU Library General Public | |
16 License along with this library; if not, write to the Free | |
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | |
19 Sam Lantinga | |
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20 slouken@libsdl.org |
0 | 21 */ |
22 | |
23 #ifdef SAVE_RCSID | |
24 static char rcsid = | |
25 "@(#) $Id$"; | |
26 #endif | |
27 | |
28 /* WGL implementation of SDL OpenGL support */ | |
29 | |
30 #include "SDL_sysvideo.h" | |
31 | |
32 | |
33 struct SDL_PrivateGLData { | |
34 int gl_active; /* to stop switching drivers while we have a valid context */ | |
35 | |
36 #ifdef HAVE_OPENGL | |
37 PIXELFORMATDESCRIPTOR GL_pfd; | |
38 HDC GL_hdc; | |
39 HGLRC GL_hrc; | |
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40 int pixel_format; |
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41 int wgl_arb_pixel_format; |
0 | 42 |
43 void * (WINAPI *wglGetProcAddress)(const char *proc); | |
44 | |
45 HGLRC (WINAPI *wglCreateContext)(HDC hdc); | |
46 | |
47 BOOL (WINAPI *wglDeleteContext)(HGLRC hglrc); | |
48 | |
49 BOOL (WINAPI *wglMakeCurrent)(HDC hdc, HGLRC hglrc); | |
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50 |
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51 BOOL (WINAPI *wglChoosePixelFormatARB)(HDC hdc, const int *piAttribIList, |
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52 const FLOAT *pfAttribFList, |
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53 UINT nMaxFormats, int *piFormats, |
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54 UINT *nNumFormats); |
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55 BOOL (WINAPI *wglGetPixelFormatAttribivARB)(HDC hdc, int iPixelFormat, |
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56 int iLayerPlane, |
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57 UINT nAttributes, |
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58 const int *piAttributes, |
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59 int *piValues); |
0 | 60 #endif /* HAVE_OPENGL */ |
61 }; | |
62 | |
63 /* Old variable names */ | |
64 #define gl_active (this->gl_data->gl_active) | |
65 #define GL_pfd (this->gl_data->GL_pfd) | |
66 #define GL_hdc (this->gl_data->GL_hdc) | |
67 #define GL_hrc (this->gl_data->GL_hrc) | |
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68 #define pixel_format (this->gl_data->pixel_format) |
0 | 69 |
70 /* OpenGL functions */ | |
71 extern int WIN_GL_SetupWindow(_THIS); | |
72 extern void WIN_GL_ShutDown(_THIS); | |
73 #ifdef HAVE_OPENGL | |
74 extern int WIN_GL_MakeCurrent(_THIS); | |
75 extern int WIN_GL_GetAttribute(_THIS, SDL_GLattr attrib, int* value); | |
76 extern void WIN_GL_SwapBuffers(_THIS); | |
77 extern void WIN_GL_UnloadLibrary(_THIS); | |
78 extern int WIN_GL_LoadLibrary(_THIS, const char* path); | |
79 extern void *WIN_GL_GetProcAddress(_THIS, const char* proc); | |
80 #endif | |
81 | |
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82 #ifdef HAVE_OPENGL |
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83 |
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84 #ifndef WGL_ARB_pixel_format |
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85 #define WGL_NUMBER_PIXEL_FORMATS_ARB 0x2000 |
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86 #define WGL_DRAW_TO_WINDOW_ARB 0x2001 |
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87 #define WGL_DRAW_TO_BITMAP_ARB 0x2002 |
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88 #define WGL_ACCELERATION_ARB 0x2003 |
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89 #define WGL_NEED_PALETTE_ARB 0x2004 |
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90 #define WGL_NEED_SYSTEM_PALETTE_ARB 0x2005 |
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91 #define WGL_SWAP_LAYER_BUFFERS_ARB 0x2006 |
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92 #define WGL_SWAP_METHOD_ARB 0x2007 |
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93 #define WGL_NUMBER_OVERLAYS_ARB 0x2008 |
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94 #define WGL_NUMBER_UNDERLAYS_ARB 0x2009 |
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95 #define WGL_TRANSPARENT_ARB 0x200A |
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96 #define WGL_TRANSPARENT_RED_VALUE_ARB 0x2037 |
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97 #define WGL_TRANSPARENT_GREEN_VALUE_ARB 0x2038 |
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98 #define WGL_TRANSPARENT_BLUE_VALUE_ARB 0x2039 |
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99 #define WGL_TRANSPARENT_ALPHA_VALUE_ARB 0x203A |
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100 #define WGL_TRANSPARENT_INDEX_VALUE_ARB 0x203B |
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101 #define WGL_SHARE_DEPTH_ARB 0x200C |
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102 #define WGL_SHARE_STENCIL_ARB 0x200D |
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103 #define WGL_SHARE_ACCUM_ARB 0x200E |
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104 #define WGL_SUPPORT_GDI_ARB 0x200F |
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105 #define WGL_SUPPORT_OPENGL_ARB 0x2010 |
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106 #define WGL_DOUBLE_BUFFER_ARB 0x2011 |
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107 #define WGL_STEREO_ARB 0x2012 |
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108 #define WGL_PIXEL_TYPE_ARB 0x2013 |
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109 #define WGL_COLOR_BITS_ARB 0x2014 |
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110 #define WGL_RED_BITS_ARB 0x2015 |
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111 #define WGL_RED_SHIFT_ARB 0x2016 |
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112 #define WGL_GREEN_BITS_ARB 0x2017 |
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113 #define WGL_GREEN_SHIFT_ARB 0x2018 |
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114 #define WGL_BLUE_BITS_ARB 0x2019 |
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115 #define WGL_BLUE_SHIFT_ARB 0x201A |
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116 #define WGL_ALPHA_BITS_ARB 0x201B |
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117 #define WGL_ALPHA_SHIFT_ARB 0x201C |
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118 #define WGL_ACCUM_BITS_ARB 0x201D |
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119 #define WGL_ACCUM_RED_BITS_ARB 0x201E |
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120 #define WGL_ACCUM_GREEN_BITS_ARB 0x201F |
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121 #define WGL_ACCUM_BLUE_BITS_ARB 0x2020 |
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122 #define WGL_ACCUM_ALPHA_BITS_ARB 0x2021 |
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123 #define WGL_DEPTH_BITS_ARB 0x2022 |
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124 #define WGL_STENCIL_BITS_ARB 0x2023 |
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125 #define WGL_AUX_BUFFERS_ARB 0x2024 |
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126 #define WGL_NO_ACCELERATION_ARB 0x2025 |
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127 #define WGL_GENERIC_ACCELERATION_ARB 0x2026 |
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128 #define WGL_FULL_ACCELERATION_ARB 0x2027 |
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129 #define WGL_SWAP_EXCHANGE_ARB 0x2028 |
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130 #define WGL_SWAP_COPY_ARB 0x2029 |
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131 #define WGL_SWAP_UNDEFINED_ARB 0x202A |
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132 #define WGL_TYPE_RGBA_ARB 0x202B |
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133 #define WGL_TYPE_COLORINDEX_ARB 0x202C |
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134 #endif |
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135 |
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136 #ifndef WGL_ARB_multisample |
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137 #define WGL_SAMPLE_BUFFERS_ARB 0x2041 |
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138 #define WGL_SAMPLES_ARB 0x2042 |
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139 #endif |
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140 |
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141 #endif |