src/mesa/main/shaderobj.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.3
   4  *
   5  * Copyright (C) 2004-2007  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 SHADEROBJ_H
  27 #define SHADEROBJ_H
  28
  29
  30 #include "main/compiler.h"
  31 #include "main/glheader.h"
  32 #include "main/mtypes.h"
  33 #include "program/ir_to_mesa.h"
  34
  35 #ifdef __cplusplus
  36 extern "C" {
  37 #endif
  38 /**
  39  * Internal functions
  40  */
  41
  42 extern void
  43 _mesa_init_shader_state(struct gl_context * ctx);
  44
  45 extern void
  46 _mesa_free_shader_state(struct gl_context *ctx);
  47
  48
  49 extern void
  50 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
  51                        struct gl_shader *sh);
  52
  53 extern struct gl_shader *
  54 _mesa_lookup_shader(struct gl_context *ctx, GLuint name);
  55
  56 extern struct gl_shader *
  57 _mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller);
  58
  59
  60
  61 extern void
  62 _mesa_reference_shader_program(struct gl_context *ctx,
  63                                struct gl_shader_program **ptr,
  64                                struct gl_shader_program *shProg);
  65 extern void
  66 _mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
  67
  68 extern struct gl_shader *
  69 _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
  70
  71 extern void
  72 _mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog);
  73
  74 extern struct gl_shader_program *
  75 _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name);
  76
  77 extern struct gl_shader_program *
  78 _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name,
  79                                 const char *caller);
  80
  81 extern void
  82 _mesa_clear_shader_program_data(struct gl_context *ctx,
  83                                 struct gl_shader_program *shProg);
  84
  85 extern void
  86 _mesa_free_shader_program_data(struct gl_context *ctx,
  87                                struct gl_shader_program *shProg);
  88
  89
  90
  91 extern void
  92 _mesa_init_shader_object_functions(struct dd_function_table *driver);
  93
  94 extern void
  95 _mesa_init_shader_state(struct gl_context *ctx);
  96
  97 extern void
  98 _mesa_free_shader_state(struct gl_context *ctx);
  99
 100 static INLINE GLuint
 101 _mesa_shader_type_to_index(GLenum v)
 102 {
 103    switch(v)
 104    {
 105    case GL_VERTEX_SHADER:
 106       return MESA_SHADER_VERTEX;
 107    case GL_FRAGMENT_SHADER:
 108       return MESA_SHADER_FRAGMENT;
 109    case GL_GEOMETRY_SHADER:
 110       return MESA_SHADER_GEOMETRY;
 111    default:
 112       ASSERT(0);
 113       return ~0;
 114    }
 115 }
 116
 117 static INLINE GLenum
 118 _mesa_shader_index_to_type(GLuint i)
 119 {
 120    GLenum enums[MESA_SHADER_TYPES] = {
 121          GL_VERTEX_SHADER,
 122          GL_FRAGMENT_SHADER,
 123          GL_GEOMETRY_SHADER ,
 124    };
 125    if(i >= MESA_SHADER_TYPES)
 126       return 0;
 127    else
 128       return enums[i];
 129 }
 130
 131 #ifdef __cplusplus
 132 }
 133 #endif
 134
 135 #endif /* SHADEROBJ_H */