src/mesa/state_tracker/st_cb_program.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28  /*
  29   * Authors:
  30   *   Keith Whitwell <keith@tungstengraphics.com>
  31   */
  32
  33 #include "st_context.h"
  34 #include "st_program.h"
  35 #include "glheader.h"
  36 #include "macros.h"
  37 #include "enums.h"
  38 #include "prog_instruction.h"
  39 #include "prog_parameter.h"
  40 #include "program.h"
  41 #include "programopt.h"
  42 #include "tnl/tnl.h"
  43 #include "pipe/tgsi/mesa/tgsi_mesa.h"
  44
  45
  46 /* Counter to track program string changes:
  47  */
  48 static GLuint program_id = 0;
  49
  50
  51 static void st_bind_program( GLcontext *ctx,
  52                              GLenum target,
  53                              struct gl_program *prog )
  54 {
  55    struct st_context *st = st_context(ctx);
  56
  57    switch (target) {
  58    case GL_VERTEX_PROGRAM_ARB:
  59       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  60       break;
  61    case GL_FRAGMENT_PROGRAM_ARB:
  62       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  63       break;
  64    }
  65 }
  66
  67 static struct gl_program *st_new_program( GLcontext *ctx,
  68                                           GLenum target,
  69                                           GLuint id )
  70 {
  71 //   struct st_context *st = st_context(ctx);
  72
  73    switch (target) {
  74    case GL_VERTEX_PROGRAM_ARB: {
  75       struct st_vertex_program *prog = CALLOC_STRUCT(st_vertex_program);
  76
  77       prog->id = program_id++;
  78       prog->dirty = 1;
  79
  80       return _mesa_init_vertex_program( ctx,
  81                                         &prog->Base,
  82                                         target,
  83                                         id );
  84    }
  85
  86    case GL_FRAGMENT_PROGRAM_ARB:
  87    case GL_FRAGMENT_PROGRAM_NV:
  88    {
  89       struct st_fragment_program *prog = CALLOC_STRUCT(st_fragment_program);
  90
  91       prog->id = program_id++;
  92       prog->dirty = 1;
  93
  94       return _mesa_init_fragment_program( ctx,
  95                                           &prog->Base,
  96                                           target,
  97                                           id );
  98    }
  99
 100    default:
 101       return _mesa_new_program(ctx, target, id);
 102    }
 103 }
 104
 105 static void st_delete_program( GLcontext *ctx,
 106                                struct gl_program *prog )
 107 {
 108    _mesa_delete_program( ctx, prog );
 109 }
 110
 111
 112 static GLboolean st_is_program_native( GLcontext *ctx,
 113                                        GLenum target,
 114                                        struct gl_program *prog )
 115 {
 116    return GL_TRUE;
 117 }
 118
 119 static void st_program_string_notify( GLcontext *ctx,
 120                                       GLenum target,
 121                                       struct gl_program *prog )
 122 {
 123    struct st_context *st = st_context(ctx);
 124
 125    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 126       struct st_fragment_program *p = (struct st_fragment_program *)prog;
 127
 128       if (prog == &ctx->FragmentProgram._Current->Base)
 129          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 130
 131       p->id = program_id++;
 132       p->param_state = p->Base.Base.Parameters->StateFlags;
 133    }
 134    else if (target == GL_VERTEX_PROGRAM_ARB) {
 135       struct st_vertex_program *p = (struct st_vertex_program *)prog;
 136
 137       if (prog == &ctx->VertexProgram._Current->Base)
 138          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 139
 140       p->id = program_id++;
 141       p->param_state = p->Base.Base.Parameters->StateFlags;
 142
 143       /* Also tell tnl about it:
 144        */
 145       _tnl_program_string(ctx, target, prog);
 146    }
 147 }
 148
 149
 150
 151 void st_init_program_functions(struct dd_function_table *functions)
 152 {
 153 #if 0
 154    assert(functions->ProgramStringNotify == _tnl_program_string);
 155 #endif
 156    functions->BindProgram = st_bind_program;
 157    functions->NewProgram = st_new_program;
 158    functions->DeleteProgram = st_delete_program;
 159    functions->IsProgramNative = st_is_program_native;
 160    functions->ProgramStringNotify = st_program_string_notify;
 161 }