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 "main/shaderapi.h"
  37 #include "program/prog_instruction.h"
  38 #include "program/program.h"
  39
  40 #include "cso_cache/cso_context.h"
  41 #include "draw/draw_context.h"
  42
  43 #include "st_context.h"
  44 #include "st_program.h"
  45 #include "st_mesa_to_tgsi.h"
  46 #include "st_cb_program.h"
  47
  48
  49 static GLuint SerialNo = 1;
  50
  51
  52 /**
  53  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  54  * fragment program.
  55  */
  56 static void st_bind_program( struct gl_context *ctx,
  57                              GLenum target,
  58                              struct gl_program *prog )
  59 {
  60    struct st_context *st = st_context(ctx);
  61
  62    switch (target) {
  63    case GL_VERTEX_PROGRAM_ARB:
  64       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  65       break;
  66    case GL_FRAGMENT_PROGRAM_ARB:
  67       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  68       break;
  69    case MESA_GEOMETRY_PROGRAM:
  70       st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
  71       break;
  72    }
  73 }
  74
  75
  76 /**
  77  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  78  * (vertex shader + fragment shader).
  79  */
  80 static void st_use_program( struct gl_context *ctx, struct gl_shader_program *shProg)
  81 {
  82    struct st_context *st = st_context(ctx);
  83
  84    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  85    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  86    st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
  87 }
  88
  89
  90
  91 /**
  92  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
  93  * fragment program.
  94  */
  95 static struct gl_program *st_new_program( struct gl_context *ctx,
  96                                           GLenum target,
  97                                           GLuint id )
  98 {
  99    switch (target) {
 100    case GL_VERTEX_PROGRAM_ARB: {
 101       struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
 102
 103       prog->serialNo = SerialNo++;
 104
 105       return _mesa_init_vertex_program( ctx,
 106                                         &prog->Base,
 107                                         target,
 108                                         id );
 109    }
 110
 111    case GL_FRAGMENT_PROGRAM_ARB:
 112    case GL_FRAGMENT_PROGRAM_NV: {
 113       struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
 114
 115       prog->serialNo = SerialNo++;
 116
 117       return _mesa_init_fragment_program( ctx,
 118                                           &prog->Base,
 119                                           target,
 120                                           id );
 121    }
 122
 123    case MESA_GEOMETRY_PROGRAM: {
 124       struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
 125
 126       prog->serialNo = SerialNo++;
 127
 128       return _mesa_init_geometry_program( ctx,
 129                                           &prog->Base,
 130                                           target,
 131                                           id );
 132    }
 133
 134    default:
 135       assert(0);
 136       return NULL;
 137    }
 138 }
 139
 140
 141 void
 142 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
 143 {
 144    struct st_context *st = st_context(ctx);
 145
 146    switch( prog->Target ) {
 147    case GL_VERTEX_PROGRAM_ARB:
 148       {
 149          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 150          st_vp_release_varients( st, stvp );
 151       }
 152       break;
 153    case MESA_GEOMETRY_PROGRAM:
 154       {
 155          struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 156
 157          if (stgp->driver_shader) {
 158             cso_delete_geometry_shader(st->cso_context, stgp->driver_shader);
 159             stgp->driver_shader = NULL;
 160          }
 161
 162          if (stgp->tgsi.tokens) {
 163             st_free_tokens((void *) stgp->tgsi.tokens);
 164             stgp->tgsi.tokens = NULL;
 165          }
 166       }
 167       break;
 168    case GL_FRAGMENT_PROGRAM_ARB:
 169       {
 170          struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 171
 172          if (stfp->driver_shader) {
 173             cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 174             stfp->driver_shader = NULL;
 175          }
 176
 177          if (stfp->tgsi.tokens) {
 178             st_free_tokens(stfp->tgsi.tokens);
 179             stfp->tgsi.tokens = NULL;
 180          }
 181
 182          if (stfp->bitmap_program) {
 183             struct gl_program *prg = &stfp->bitmap_program->Base.Base;
 184             _mesa_reference_program(ctx, &prg, NULL);
 185             stfp->bitmap_program = NULL;
 186          }
 187       }
 188       break;
 189    default:
 190       assert(0); /* problem */
 191    }
 192
 193    /* delete base class */
 194    _mesa_delete_program( ctx, prog );
 195 }
 196
 197
 198 static GLboolean st_is_program_native( struct gl_context *ctx,
 199                                        GLenum target,
 200                                        struct gl_program *prog )
 201 {
 202    return GL_TRUE;
 203 }
 204
 205
 206 static GLboolean st_program_string_notify( struct gl_context *ctx,
 207                                            GLenum target,
 208                                            struct gl_program *prog )
 209 {
 210    struct st_context *st = st_context(ctx);
 211
 212    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 213       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 214
 215       stfp->serialNo++;
 216
 217       if (stfp->driver_shader) {
 218          cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 219          stfp->driver_shader = NULL;
 220       }
 221
 222       if (stfp->tgsi.tokens) {
 223          st_free_tokens(stfp->tgsi.tokens);
 224          stfp->tgsi.tokens = NULL;
 225       }
 226
 227       if (st->fp == stfp)
 228          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 229    }
 230    else if (target == MESA_GEOMETRY_PROGRAM) {
 231       struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 232
 233       stgp->serialNo++;
 234
 235       if (stgp->driver_shader) {
 236          cso_delete_geometry_shader(st->cso_context, stgp->driver_shader);
 237          stgp->driver_shader = NULL;
 238       }
 239
 240       if (stgp->tgsi.tokens) {
 241          st_free_tokens((void *) stgp->tgsi.tokens);
 242          stgp->tgsi.tokens = NULL;
 243       }
 244
 245       if (st->gp == stgp)
 246          st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
 247    }
 248    else if (target == GL_VERTEX_PROGRAM_ARB) {
 249       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 250
 251       stvp->serialNo++;
 252
 253       st_vp_release_varients( st, stvp );
 254
 255       if (st->vp == stvp)
 256          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 257    }
 258
 259    /* XXX check if program is legal, within limits */
 260    return GL_TRUE;
 261 }
 262
 263
 264
 265 void st_init_program_functions(struct dd_function_table *functions)
 266 {
 267    functions->BindProgram = st_bind_program;
 268    functions->UseProgram = st_use_program;
 269    functions->NewProgram = st_new_program;
 270    functions->DeleteProgram = st_delete_program;
 271    functions->IsProgramNative = st_is_program_native;
 272    functions->ProgramStringNotify = st_program_string_notify;
 273 }