src/mesa/main/fbobject.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.3
   4  *
   5  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25
  26 #ifndef FBOBJECT_H
  27 #define FBOBJECT_H
  28
  29
  30 struct gl_render_buffer_object
  31 {
  32    GLint RefCount;
  33    GLuint Name;
  34    GLuint Width, Height;
  35    GLenum InternalFormat;
  36    GLvoid *Data;
  37 };
  38
  39
  40 struct gl_render_buffer_attachment
  41 {
  42    GLenum Type;  /* GL_NONE or GL_TEXTURE or GL_RENDERBUFFER_EXT */
  43    /* IF Type == GL_RENDERBUFFER_EXT: */
  44    struct gl_render_buffer_object *Renderbuffer;
  45    /* IF Type == GL_TEXTURE: */
  46    struct gl_texture_object *Texture;
  47    GLuint TextureLevel;
  48    GLuint CubeMapFace;  /* 0 .. 5, for Cube map textures */
  49    GLuint Zoffset;      /* for 3D textures */
  50 };
  51
  52
  53 struct gl_frame_buffer_object
  54 {
  55    GLint RefCount;
  56    GLuint Name;
  57
  58    struct gl_render_buffer_attachment ColorAttachment[MAX_COLOR_ATTACHMENTS];
  59    struct gl_render_buffer_attachment DepthAttachment;
  60    struct gl_render_buffer_attachment StencilAttachment;
  61 };
  62
  63
  64 extern GLboolean
  65 _mesa_IsRenderbufferEXT(GLuint renderbuffer);
  66
  67 extern void
  68 _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer);
  69
  70 extern void
  71 _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers);
  72
  73 extern void
  74 _mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers);
  75
  76 extern void
  77 _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalformat,
  78                              GLsizei width, GLsizei height);
  79
  80 extern void
  81 _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params);
  82
  83 extern GLboolean
  84 _mesa_IsFramebufferEXT(GLuint framebuffer);
  85
  86 extern void
  87 _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer);
  88
  89 extern void
  90 _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers);
  91
  92 extern void
  93 _mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers);
  94
  95 extern GLenum
  96 _mesa_CheckFramebufferStatusEXT(GLenum target);
  97
  98 extern void
  99 _mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
 100                               GLenum textarget, GLuint texture, GLint level);
 101
 102 extern void
 103 _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
 104                               GLenum textarget, GLuint texture, GLint level);
 105
 106 extern void
 107 _mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
 108                               GLenum textarget, GLuint texture,
 109                               GLint level, GLint zoffset);
 110
 111 extern void
 112 _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
 113                                  GLenum renderbuffertarget,
 114                                  GLuint renderbuffer);
 115
 116 extern void
 117 _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
 118                                              GLenum pname, GLint *params);
 119
 120 extern void
 121 _mesa_GenerateMipmapEXT(GLenum target);
 122
 123
 124 #endif /* FBOBJECT_H */