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   1 /*
   2         c3program.h
   3
   4         Copyright 2008-2012 Michel Pollet <buserror@gmail.com>
   5
   6         This file is part of libc3.
   7
   8         libc3 is free software: you can redistribute it and/or modify
   9         it under the terms of the GNU General Public License as published by
  10         the Free Software Foundation, either version 3 of the License, or
  11         (at your option) any later version.
  12
  13         libc3 is distributed in the hope that it will be useful,
  14         but WITHOUT ANY WARRANTY; without even the implied warranty of
  15         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16         GNU General Public License for more details.
  17
  18         You should have received a copy of the GNU General Public License
  19         along with libc3.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #ifndef __C3PROGRAM_H___
  24 #define __C3PROGRAM_H___
  25
  26 #include "c3types.h"
  27 #include "c_utils.h"
  28
  29 typedef struct c3shader_t {
  30         c3apiobject_t sid;      // shader id
  31         uint32_t type;
  32         str_p   name;
  33         str_p   shader;
  34 } c3shader_t, *c3shader_p;
  35
  36 DECLARE_C_ARRAY(c3shader_t, c3shader_array, 4);
  37
  38 typedef struct c3program_param_t {
  39         struct c3program_t * program;
  40         c3apiobject_t pid;      // parameter id
  41         str_p   type;
  42         str_p   name;
  43 } c3program_param_t, *c3program_param_p;
  44
  45 DECLARE_C_ARRAY(c3program_param_t, c3program_param_array, 4);
  46
  47 typedef struct c3program_t {
  48         c3apiobject_t pid;      // program id
  49         int                                             verbose : 1;
  50         str_p name;
  51         c3shader_array_t        shaders;
  52         c3program_param_array_t params;
  53         str_p                                   log;    // if an error occurs
  54 } c3program_t, *c3program_p;
  55
  56 DECLARE_C_ARRAY(c3program_p, c3program_array, 4);
  57
  58 //! Allocates a new, empty program
  59 c3program_p
  60 c3program_new(
  61                 const char * name);
  62
  63 //! disposes of a c3program memory
  64 void
  65 c3program_dispose(
  66                 c3program_p p);
  67
  68 //! purge deletes the shader storage, but keep the program and parameters
  69 void
  70 c3program_purge(
  71                 c3program_p p);
  72
  73 enum {
  74         C3_PROGRAM_LOAD_UNIFORM = (1 << 0),
  75 };
  76
  77 int
  78 c3program_load_shader(
  79                 c3program_p p,
  80                 uint32_t        type,
  81                 const char * header,
  82                 const char * filename,
  83                 uint16_t flags);
  84
  85 c3program_param_p
  86 c3program_locate_param(
  87                 c3program_p p,
  88                 const char * name );
  89
  90 IMPLEMENT_C_ARRAY(c3program_param_array);
  91 IMPLEMENT_C_ARRAY(c3shader_array);
  92 IMPLEMENT_C_ARRAY(c3program_array);
  93
  94 #endif /* __C3PROGRAM_H___ */