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/* uglmesa.h - Public header UGL/Mesa */
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/* Copyright (C) 2001 by Wind River Systems, Inc */
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/*
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 * Mesa 3-D graphics library
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 * Version:  4.0
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 *
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 * The MIT License
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 */
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/*
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 * Author:
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 * Stephane Raimbault <stephane.raimbault@windriver.com>
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 */
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#ifndef UGLMESA_H
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#define UGLMESA_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define UGL_MESA_MAJOR_VERSION 4
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#define UGL_MESA_MINOR_VERSION 0
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#include <GL/gl.h>
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#include <ugl/ugl.h>
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/*
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 * Values for display mode of uglMesaCreateContext ()
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 */
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/*
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 * With these mask values, it's possible to test double buffer mode
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 * with UGL_MESA_DOUBLE mask
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 *
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 * SINGLE  0000 0001
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 * DOUBLE  0000 0110
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 * -  SOFT 0000 0010
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 * -  HARD 0000 0100
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 * WINDML  0001 0000
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 *
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 *
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 */
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#define UGL_MESA_SINGLE            0x01
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#define UGL_MESA_DOUBLE            0x06
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#define UGL_MESA_DOUBLE_SOFTWARE   0x02
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#define UGL_MESA_DOUBLE_HARDWARE   0x04
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#define UGL_MESA_WINDML_EXCLUSIVE  0x10
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#define UGL_MESA_FULLSCREEN_WIDTH  0x0
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#define UGL_MESA_FULLSCREEN_HEIGHT 0x0
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/*
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 * uglMesaPixelStore() parameters:
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 */
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#define UGL_MESA_ROW_LENGTH        0x20
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#define UGL_MESA_Y_UP              0x21
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/*
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 * Accepted by uglMesaGetIntegerv:
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 */
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#define UGL_MESA_LEFT_X                 0x01
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#define UGL_MESA_TOP_Y                  0x02    
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#define UGL_MESA_WIDTH                  0x03
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#define UGL_MESA_HEIGHT                 0x04
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#define UGL_MESA_DISPLAY_WIDTH          0x05
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#define UGL_MESA_DISPLAY_HEIGHT         0x06
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#define UGL_MESA_COLOR_FORMAT           0x07
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#define UGL_MESA_COLOR_MODEL            0x08
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#define UGL_MESA_PIXEL_FORMAT           0x09
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#define UGL_MESA_TYPE                   0x0A
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#define UGL_MESA_RGB                    0x0B
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#define UGL_MESA_COLOR_INDEXED          0x0C
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#define UGL_MESA_SINGLE_BUFFER          0x0D
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#define UGL_MESA_DOUBLE_BUFFER          0x0E
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#define UGL_MESA_DOUBLE_BUFFER_SOFTWARE 0x0F
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#define UGL_MESA_DOUBLE_BUFFER_HARDWARE 0x10
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/*
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 * typedefs
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 */
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typedef struct uglMesaContext * UGL_MESA_CONTEXT;
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UGL_MESA_CONTEXT uglMesaCreateNewContext (GLenum mode,
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                                          UGL_MESA_CONTEXT share_list);
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UGL_MESA_CONTEXT  uglMesaCreateNewContextExt (GLenum mode,
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                                              GLint depth_bits,
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                                              GLint stencil_bits,
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                                              GLint accum_red_bits,
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                                              GLint accum_green_bits,
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                                              GLint accum_blue_bits,
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                                              GLint accum_alpha_bits,
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                                              UGL_MESA_CONTEXT share_list);
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GLboolean uglMesaMakeCurrentContext (UGL_MESA_CONTEXT umc,
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                                     GLsizei left, GLsizei top,
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                                     GLsizei width, GLsizei height);
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GLboolean uglMesaMoveWindow (GLsizei dx, GLsizei dy);
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GLboolean uglMesaMoveToWindow (GLsizei left, GLsizei top);
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GLboolean uglMesaResizeWindow (GLsizei dw, GLsizei dh);
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GLboolean uglMesaResizeToWindow (GLsizei width, GLsizei height);
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void uglMesaDestroyContext (void);
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UGL_MESA_CONTEXT uglMesaGetCurrentContext (void);
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void uglMesaSwapBuffers (void);
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void uglMesaPixelStore (GLint pname, GLint value);
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void uglMesaGetIntegerv (GLint pname, GLint *value);
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GLboolean uglMesaGetDepthBuffer (GLint *width, GLint *height,
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                                 GLint *bytesPerValue, void **buffer);
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GLboolean uglMesaGetColorBuffer (GLint *width, GLint *height,
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                                 GLint *format, void **buffer);
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GLboolean uglMesaSetColor (GLubyte index, GLfloat red,
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                           GLfloat green, GLfloat blue);
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#ifdef __cplusplus
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}
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#endif
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#endif