| 1 | /*
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| 2 | * Mesa 3-D graphics library
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| 3 | * Version: 6.5
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| 4 | *
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| 5 | * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
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| 6 | *
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| 7 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 8 | * copy of this software and associated documentation files (the "Software"),
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| 9 | * to deal in the Software without restriction, including without limitation
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| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 11 | * and/or sell copies of the Software, and to permit persons to whom the
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| 12 | * Software is furnished to do so, subject to the following conditions:
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| 13 | *
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| 14 | * The above copyright notice and this permission notice shall be included
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| 15 | * in all copies or substantial portions of the Software.
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| 16 | *
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| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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| 18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 20 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 21 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 22 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 23 | */
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| 24 |
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| 25 |
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| 26 | #ifndef GLFBDEV_H
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| 27 | #define GLFBDEV_H
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| 28 |
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| 29 |
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| 30 | /* avoid including linux/fb.h */
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| 31 | struct fb_fix_screeninfo;
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| 32 | struct fb_var_screeninfo;
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| 33 |
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| 34 |
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| 35 | /* public types */
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| 36 | typedef struct GLFBDevVisualRec *GLFBDevVisualPtr;
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| 37 | typedef struct GLFBDevBufferRec *GLFBDevBufferPtr;
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| 38 | typedef struct GLFBDevContextRec *GLFBDevContextPtr;
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| 39 |
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| 40 |
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| 41 | /* API version */
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| 42 | #define GLFBDEV_VERSION_1_0 1
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| 43 |
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| 44 |
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| 45 | /* For glFBDevCreateVisual */
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| 46 | #define GLFBDEV_DOUBLE_BUFFER 100
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| 47 | #define GLFBDEV_COLOR_INDEX 101
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| 48 | #define GLFBDEV_DEPTH_SIZE 102
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| 49 | #define GLFBDEV_STENCIL_SIZE 103
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| 50 | #define GLFBDEV_ACCUM_SIZE 104
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| 51 | #define GLFBDEV_LEVEL 105
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| 52 | #define GLFBDEV_MULTISAMPLE 106
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| 53 | #define GLFBDEV_NONE 0
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| 54 |
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| 55 | /* For glFBDevGetString */
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| 56 | #define GLFBDEV_VERSION 200
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| 57 | #define GLFBDEV_VENDOR 201
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| 58 |
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| 59 |
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| 60 | /* Misc functions */
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| 61 |
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| 62 | extern const char *
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| 63 | glFBDevGetString( int str );
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| 64 |
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| 65 |
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| 66 | typedef void (*GLFBDevProc)();
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| 67 |
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| 68 |
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| 69 | extern GLFBDevProc
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| 70 | glFBDevGetProcAddress( const char *procName );
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| 71 |
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| 72 |
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| 73 |
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| 74 | /**
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| 75 | * Create a GLFBDevVisual.
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| 76 | * \param fixInfo - needed to get the visual types, etc.
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| 77 | * \param varInfo - needed to get the bits_per_pixel, etc.
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| 78 | * \param attribs - for requesting depth, stencil, accum buffers, etc.
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| 79 | */
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| 80 | extern GLFBDevVisualPtr
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| 81 | glFBDevCreateVisual( const struct fb_fix_screeninfo *fixInfo,
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| 82 | const struct fb_var_screeninfo *varInfo,
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| 83 | const int *attribs );
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| 84 |
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| 85 | extern void
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| 86 | glFBDevDestroyVisual( GLFBDevVisualPtr visual );
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| 87 |
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| 88 | extern int
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| 89 | glFBDevGetVisualAttrib( const GLFBDevVisualPtr visual, int attrib);
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| 90 |
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| 91 |
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| 92 |
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| 93 | /**
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| 94 | * Create a GLFBDevBuffer.
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| 95 | * \param fixInfo, varInfo - needed in order to get the screen size
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| 96 | * (resolution), etc.
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| 97 | * \param visual - as returned by glFBDevCreateVisual()
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| 98 | * \param frontBuffer - address of front color buffer
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| 99 | * \param backBuffer - address of back color buffer (may be NULL)
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| 100 | * \param size - size of the color buffer(s) in bytes.
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| 101 | */
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| 102 | extern GLFBDevBufferPtr
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| 103 | glFBDevCreateBuffer( const struct fb_fix_screeninfo *fixInfo,
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| 104 | const struct fb_var_screeninfo *varInfo,
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| 105 | const GLFBDevVisualPtr visual,
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| 106 | void *frontBuffer, void *backBuffer, size_t size );
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| 107 |
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| 108 | extern void
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| 109 | glFBDevDestroyBuffer( GLFBDevBufferPtr buffer );
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| 110 |
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| 111 | extern int
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| 112 | glFBDevGetBufferAttrib( const GLFBDevBufferPtr buffer, int attrib);
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| 113 |
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| 114 | extern GLFBDevBufferPtr
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| 115 | glFBDevGetCurrentDrawBuffer( void );
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| 116 |
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| 117 | extern GLFBDevBufferPtr
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| 118 | glFBDevGetCurrentReadBuffer( void );
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| 119 |
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| 120 | extern void
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| 121 | glFBDevSwapBuffers( GLFBDevBufferPtr buffer );
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| 122 |
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| 123 |
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| 124 |
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| 125 | /**
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| 126 | * Create a GLFBDevContext.
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| 127 | * \param visual - as created by glFBDevCreateVisual.
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| 128 | * \param share - specifies another context with which to share textures,
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| 129 | * display lists, etc. (may be NULL).
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| 130 | */
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| 131 | extern GLFBDevContextPtr
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| 132 | glFBDevCreateContext( const GLFBDevVisualPtr visual, GLFBDevContextPtr share );
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| 133 |
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| 134 | extern void
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| 135 | glFBDevDestroyContext( GLFBDevContextPtr context );
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| 136 |
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| 137 | extern int
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| 138 | glFBDevGetContextAttrib( const GLFBDevContextPtr context, int attrib);
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| 139 |
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| 140 | extern GLFBDevContextPtr
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| 141 | glFBDevGetCurrentContext( void );
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| 142 |
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| 143 | extern int
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| 144 | glFBDevMakeCurrent( GLFBDevContextPtr context,
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| 145 | GLFBDevBufferPtr drawBuffer,
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| 146 | GLFBDevBufferPtr readBuffer );
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| 147 |
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| 148 |
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| 149 | #endif /* GLFBDEV_H */
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