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 "main/glheader.h"
  34 #include "main/macros.h"
  35 #include "main/enums.h"
  36 #include "shader/prog_instruction.h"
  37 #include "shader/prog_parameter.h"
  38 #include "shader/program.h"
  39 #include "shader/programopt.h"
  40 #include "shader/shader_api.h"
  41
  42 #include "cso_cache/cso_cache.h"
  43 #include "draw/draw_context.h"
  44
  45 #include "st_context.h"
  46 #include "st_program.h"
  47 #include "st_atom_shader.h"
  48
  49
  50 static GLuint SerialNo = 1;
  51
  52
  53 /**
  54  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  55  * fragment program.
  56  */
  57 static void st_bind_program( GLcontext *ctx,
  58                              GLenum target,
  59                              struct gl_program *prog )
  60 {
  61    struct st_context *st = st_context(ctx);
  62
  63    switch (target) {
  64    case GL_VERTEX_PROGRAM_ARB:
  65       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  66       break;
  67    case GL_FRAGMENT_PROGRAM_ARB:
  68       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  69       break;
  70    }
  71 }
  72
  73
  74 /**
  75  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  76  * (vertex shader + fragment shader).
  77  */
  78 static void st_use_program( GLcontext *ctx,
  79                             GLuint program )
  80 {
  81    struct st_context *st = st_context(ctx);
  82
  83    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  84    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  85
  86    _mesa_use_program(ctx, program);
  87 }
  88
  89
  90
  91 static struct gl_program *st_new_program( GLcontext *ctx,
  92                                           GLenum target,
  93                                           GLuint id )
  94 {
  95    switch (target) {
  96    case GL_VERTEX_PROGRAM_ARB: {
  97       struct st_vertex_program *prog = CALLOC_STRUCT(st_vertex_program);
  98
  99       prog->serialNo = SerialNo++;
 100
 101       return _mesa_init_vertex_program( ctx,
 102                                         &prog->Base,
 103                                         target,
 104                                         id );
 105    }
 106
 107    case GL_FRAGMENT_PROGRAM_ARB:
 108    case GL_FRAGMENT_PROGRAM_NV: {
 109       struct st_fragment_program *prog = CALLOC_STRUCT(st_fragment_program);
 110
 111       prog->serialNo = SerialNo++;
 112
 113       return _mesa_init_fragment_program( ctx,
 114                                           &prog->Base,
 115                                           target,
 116                                           id );
 117    }
 118
 119    default:
 120       return _mesa_new_program(ctx, target, id);
 121    }
 122 }
 123
 124
 125 static void st_delete_program( GLcontext *ctx,
 126                                struct gl_program *prog )
 127 {
 128    struct st_context *st = st_context(ctx);
 129
 130    switch( prog->Target ) {
 131    case GL_VERTEX_PROGRAM_ARB:
 132       {
 133          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 134          st_remove_vertex_program(st, stvp);
 135       }
 136       break;
 137    case GL_FRAGMENT_PROGRAM_ARB:
 138       {
 139          struct st_fragment_program *stfp
 140             = (struct st_fragment_program *) prog;
 141          st_remove_fragment_program(st, stfp);
 142       }
 143       break;
 144    default:
 145       assert(0); /* problem */
 146    }
 147
 148    _mesa_delete_program( ctx, prog );
 149 }
 150
 151
 152 static GLboolean st_is_program_native( GLcontext *ctx,
 153                                        GLenum target,
 154                                        struct gl_program *prog )
 155 {
 156    return GL_TRUE;
 157 }
 158
 159
 160 static void st_program_string_notify( GLcontext *ctx,
 161                                       GLenum target,
 162                                       struct gl_program *prog )
 163 {
 164    struct st_context *st = st_context(ctx);
 165
 166    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 167       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 168
 169       stfp->serialNo++;
 170
 171 #if 0
 172       if (stfp->cso) {
 173          /* free the TGSI code */
 174          // cso_delete(stfp->vs);
 175          stfp->cso = NULL;
 176       }
 177 #endif
 178
 179       stfp->param_state = stfp->Base.Base.Parameters->StateFlags;
 180
 181       if (st->fp == stfp)
 182          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 183    }
 184    else if (target == GL_VERTEX_PROGRAM_ARB) {
 185       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 186
 187       stvp->serialNo++;
 188
 189 #if 0
 190       if (stvp->cso) {
 191          /* free the CSO data */
 192          st->pipe->delete_vs_state(st->pipe, stvp->cso->data);
 193          FREE((void *) stvp->cso);
 194          stvp->cso = NULL;
 195       }
 196 #endif
 197       if (stvp->draw_shader) {
 198          draw_delete_vertex_shader(st->draw, stvp->draw_shader);
 199          stvp->draw_shader = NULL;
 200       }
 201
 202       stvp->param_state = stvp->Base.Base.Parameters->StateFlags;
 203
 204       if (st->vp == stvp)
 205          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 206    }
 207 }
 208
 209
 210
 211 void st_init_program_functions(struct dd_function_table *functions)
 212 {
 213    functions->BindProgram = st_bind_program;
 214    functions->UseProgram = st_use_program;
 215    functions->NewProgram = st_new_program;
 216    functions->DeleteProgram = st_delete_program;
 217    functions->IsProgramNative = st_is_program_native;
 218    functions->ProgramStringNotify = st_program_string_notify;
 219 }