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 };
  36
  37
  38 struct gl_render_buffer_attachment
  39 {
  40    GLenum Type;  /* GL_NONE or GL_TEXTURE or GL_RENDERBUFFER_EXT */
  41    /* IF Type == GL_RENDERBUFFER_EXT: */
  42    struct gl_render_buffer_object *Renderbuffer;
  43    /* IF Type == GL_TEXTURE: */
  44    struct gl_texture_object *Texture;
  45    GLuint TextureLevel;
  46    GLuint CubeMapFace;  /* 0 .. 5, for Cube map textures */
  47    GLuint Zoffset;      /* for 3D textures */
  48 };
  49
  50
  51 struct gl_frame_buffer_object
  52 {
  53    GLint RefCount;
  54    GLuint Name;
  55
  56    struct gl_render_buffer_attachment ColorAttachment[MAX_COLOR_ATTACHMENTS];
  57    struct gl_render_buffer_attachment DepthAttachment;
  58    struct gl_render_buffer_attachment StencilAttachment;
  59 };
  60
  61
  62 extern GLboolean
  63 _mesa_IsRenderbufferEXT(GLuint renderbuffer);
  64
  65 extern void
  66 _mesa_BindRenderbufferEXT(GLenum target, GLuint renderbuffer);
  67
  68 extern void
  69 _mesa_DeleteRenderbuffersEXT(GLsizei n, const GLuint *renderbuffers);
  70
  71 extern void
  72 _mesa_GenRenderbuffersEXT(GLsizei n, GLuint *renderbuffers);
  73
  74 extern void
  75 _mesa_RenderbufferStorageEXT(GLenum target, GLenum internalformat,
  76                              GLsizei width, GLsizei height);
  77
  78 extern void
  79 _mesa_GetRenderbufferParameterivEXT(GLenum target, GLenum pname, GLint *params);
  80
  81 extern GLboolean
  82 _mesa_IsFramebufferEXT(GLuint framebuffer);
  83
  84 extern void
  85 _mesa_BindFramebufferEXT(GLenum target, GLuint framebuffer);
  86
  87 extern void
  88 _mesa_DeleteFramebuffersEXT(GLsizei n, const GLuint *framebuffers);
  89
  90 extern void
  91 _mesa_GenFramebuffersEXT(GLsizei n, GLuint *framebuffers);
  92
  93 extern GLenum
  94 _mesa_CheckFramebufferStatusEXT(GLenum target);
  95
  96 extern void
  97 _mesa_FramebufferTexture1DEXT(GLenum target, GLenum attachment,
  98                               GLenum textarget, GLuint texture, GLint level);
  99
 100 extern void
 101 _mesa_FramebufferTexture2DEXT(GLenum target, GLenum attachment,
 102                               GLenum textarget, GLuint texture, GLint level);
 103
 104 extern void
 105 _mesa_FramebufferTexture3DEXT(GLenum target, GLenum attachment,
 106                               GLenum textarget, GLuint texture,
 107                               GLint level, GLint zoffset);
 108
 109 extern void
 110 _mesa_FramebufferRenderbufferEXT(GLenum target, GLenum attachment,
 111                                  GLenum renderbuffertarget,
 112                                  GLuint renderbuffer);
 113
 114 extern void
 115 _mesa_GetFramebufferAttachmentParameterivEXT(GLenum target, GLenum attachment,
 116                                              GLenum pname, GLint *params);
 117
 118 extern void
 119 _mesa_GenerateMipmapEXT(GLenum target);
 120
 121
 122 #endif /* FBOBJECT_H */