program.h

   1 /*
   2  * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
   3  * Copyright (C) 2009  VMware, Inc.  All Rights Reserved.
   4  * Copyright © 2010 Intel Corporation
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  20  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include <GL/gl.h>
  25
  26 /**
  27  * Based on gl_shader in Mesa's mtypes.h.
  28  */
  29 struct glsl_shader {
  30    GLenum Type;
  31    GLuint Name;
  32    GLint RefCount;
  33    GLboolean DeletePending;
  34    GLboolean CompileStatus;
  35    const GLchar *Source;  /**< Source code string */
  36    size_t SourceLen;
  37    GLchar *InfoLog;
  38
  39    struct exec_list ir;
  40    struct glsl_symbol_table *symbols;
  41 };
  42
  43
  44 struct gl_program_parameter_list;
  45 struct gl_uniform_list;
  46
  47 /**
  48  * Based on gl_shader_program in Mesa's mtypes.h.
  49  */
  50 struct glsl_program {
  51    GLenum Type;  /**< Always GL_SHADER_PROGRAM (internal token) */
  52    GLuint Name;  /**< aka handle or ID */
  53    GLint RefCount;  /**< Reference count */
  54    GLboolean DeletePending;
  55
  56    GLuint NumShaders;          /**< number of attached shaders */
  57    struct glsl_shader **Shaders; /**< List of attached the shaders */
  58
  59    /* post-link info: */
  60    struct gl_uniform_list *Uniforms;
  61    struct gl_program_parameter_list *Varying;
  62    GLboolean LinkStatus;   /**< GL_LINK_STATUS */
  63    GLboolean Validated;
  64    GLboolean _Used;        /**< Ever used for drawing? */
  65    GLchar *InfoLog;
  66 };
  67
  68 extern void
  69 link_shaders(struct glsl_program *prog);