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 void st_use_program( GLcontext *ctx,
  68                             GLuint program )
  69 {
  70    struct st_context *st = st_context(ctx);
  71
  72    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  73    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  74 }
  75
  76
  77
  78 static struct gl_program *st_new_program( GLcontext *ctx,
  79                                           GLenum target,
  80                                           GLuint id )
  81 {
  82 //   struct st_context *st = st_context(ctx);
  83
  84    switch (target) {
  85    case GL_VERTEX_PROGRAM_ARB: {
  86       struct st_vertex_program *prog = CALLOC_STRUCT(st_vertex_program);
  87
  88       prog->id = program_id++;
  89       prog->dirty = 1;
  90
  91 #if defined(USE_X86_ASM) || defined(SLANG_X86)
  92       x86_init_func( &prog->sse2_program );
  93 #endif
  94
  95       return _mesa_init_vertex_program( ctx,
  96                                         &prog->Base,
  97                                         target,
  98                                         id );
  99    }
 100
 101    case GL_FRAGMENT_PROGRAM_ARB:
 102    case GL_FRAGMENT_PROGRAM_NV:
 103    {
 104       struct st_fragment_program *prog = CALLOC_STRUCT(st_fragment_program);
 105
 106       prog->id = program_id++;
 107       prog->dirty = 1;
 108
 109       return _mesa_init_fragment_program( ctx,
 110                                           &prog->Base,
 111                                           target,
 112                                           id );
 113    }
 114
 115    default:
 116       return _mesa_new_program(ctx, target, id);
 117    }
 118 }
 119
 120 static void st_delete_program( GLcontext *ctx,
 121                                struct gl_program *prog )
 122 {
 123    switch( prog->Target ) {
 124    case GL_VERTEX_PROGRAM_ARB:
 125    {
 126 #if defined(USE_X86_ASM) || defined(SLANG_X86)
 127       struct st_vertex_program *p = (struct st_vertex_program *) prog;
 128
 129       x86_release_func( &p->sse2_program );
 130 #endif
 131       break;
 132    }
 133
 134    }
 135    _mesa_delete_program( ctx, prog );
 136 }
 137
 138
 139 static GLboolean st_is_program_native( GLcontext *ctx,
 140                                        GLenum target,
 141                                        struct gl_program *prog )
 142 {
 143    return GL_TRUE;
 144 }
 145
 146
 147 static void st_program_string_notify( GLcontext *ctx,
 148                                       GLenum target,
 149                                       struct gl_program *prog )
 150 {
 151    struct st_context *st = st_context(ctx);
 152
 153    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 154       struct st_fragment_program *p = (struct st_fragment_program *)prog;
 155
 156       if (prog == &ctx->FragmentProgram._Current->Base)
 157          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 158
 159       p->id = program_id++;
 160       p->param_state = p->Base.Base.Parameters->StateFlags;
 161    }
 162    else if (target == GL_VERTEX_PROGRAM_ARB) {
 163       struct st_vertex_program *p = (struct st_vertex_program *)prog;
 164
 165       if (prog == &ctx->VertexProgram._Current->Base)
 166          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 167
 168       p->id = program_id++;
 169       p->param_state = p->Base.Base.Parameters->StateFlags;
 170
 171       /* Also tell tnl about it:
 172        */
 173       _tnl_program_string(ctx, target, prog);
 174    }
 175 }
 176
 177
 178
 179 void st_init_program_functions(struct dd_function_table *functions)
 180 {
 181    functions->BindProgram = st_bind_program;
 182    functions->UseProgram = st_use_program;
 183    functions->NewProgram = st_new_program;
 184    functions->DeleteProgram = st_delete_program;
 185    functions->IsProgramNative = st_is_program_native;
 186    functions->ProgramStringNotify = st_program_string_notify;
 187 }