src/mesa/state_tracker/st_cb_program.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 VMware, Inc.
   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 VMWARE 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 <keithw@vmware.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_debug.h"
  45 #include "st_program.h"
  46 #include "st_mesa_to_tgsi.h"
  47 #include "st_cb_program.h"
  48 #include "st_glsl_to_tgsi.h"
  49 #include "st_atifs_to_tgsi.h"
  50
  51
  52
  53 /**
  54  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  55  * fragment program.
  56  */
  57 static void
  58 st_bind_program(struct gl_context *ctx, GLenum target, 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 GL_GEOMETRY_PROGRAM_NV:
  70       st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
  71       break;
  72    case GL_TESS_CONTROL_PROGRAM_NV:
  73       st->dirty.st |= ST_NEW_TESSCTRL_PROGRAM;
  74       break;
  75    case GL_TESS_EVALUATION_PROGRAM_NV:
  76       st->dirty.st |= ST_NEW_TESSEVAL_PROGRAM;
  77       break;
  78    case GL_COMPUTE_PROGRAM_NV:
  79       st->dirty_cp.st |= ST_NEW_COMPUTE_PROGRAM;
  80       break;
  81    }
  82 }
  83
  84
  85 /**
  86  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  87  * (vertex shader + fragment shader).
  88  */
  89 static void
  90 st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
  91 {
  92    struct st_context *st = st_context(ctx);
  93
  94    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  95    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  96    st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
  97    st->dirty.st |= ST_NEW_TESSCTRL_PROGRAM;
  98    st->dirty.st |= ST_NEW_TESSEVAL_PROGRAM;
  99    st->dirty_cp.st |= ST_NEW_COMPUTE_PROGRAM;
 100 }
 101
 102
 103 /**
 104  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
 105  * fragment program.
 106  */
 107 static struct gl_program *
 108 st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
 109 {
 110    switch (target) {
 111    case GL_VERTEX_PROGRAM_ARB: {
 112       struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
 113       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 114    }
 115    case GL_FRAGMENT_PROGRAM_ARB: {
 116       struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
 117       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 118    }
 119    case GL_GEOMETRY_PROGRAM_NV: {
 120       struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
 121       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 122    }
 123    case GL_TESS_CONTROL_PROGRAM_NV: {
 124       struct st_tessctrl_program *prog = ST_CALLOC_STRUCT(st_tessctrl_program);
 125       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 126    }
 127    case GL_TESS_EVALUATION_PROGRAM_NV: {
 128       struct st_tesseval_program *prog = ST_CALLOC_STRUCT(st_tesseval_program);
 129       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 130    }
 131    case GL_COMPUTE_PROGRAM_NV: {
 132       struct st_compute_program *prog = ST_CALLOC_STRUCT(st_compute_program);
 133       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 134    }
 135    default:
 136       assert(0);
 137       return NULL;
 138    }
 139 }
 140
 141
 142 /**
 143  * Called via ctx->Driver.DeleteProgram()
 144  */
 145 static void
 146 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
 147 {
 148    struct st_context *st = st_context(ctx);
 149
 150    switch( prog->Target ) {
 151    case GL_VERTEX_PROGRAM_ARB:
 152       {
 153          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 154          st_release_vp_variants( st, stvp );
 155
 156          if (stvp->glsl_to_tgsi)
 157             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 158       }
 159       break;
 160    case GL_GEOMETRY_PROGRAM_NV:
 161       {
 162          struct st_geometry_program *stgp =
 163             (struct st_geometry_program *) prog;
 164
 165          st_release_basic_variants(st, stgp->Base.Base.Target,
 166                                    &stgp->variants, &stgp->tgsi);
 167
 168          if (stgp->glsl_to_tgsi)
 169             free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
 170       }
 171       break;
 172    case GL_FRAGMENT_PROGRAM_ARB:
 173       {
 174          struct st_fragment_program *stfp =
 175             (struct st_fragment_program *) prog;
 176
 177          st_release_fp_variants(st, stfp);
 178
 179          if (stfp->glsl_to_tgsi)
 180             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 181       }
 182       break;
 183    case GL_TESS_CONTROL_PROGRAM_NV:
 184       {
 185          struct st_tessctrl_program *sttcp =
 186             (struct st_tessctrl_program *) prog;
 187
 188          st_release_basic_variants(st, sttcp->Base.Base.Target,
 189                                    &sttcp->variants, &sttcp->tgsi);
 190
 191          if (sttcp->glsl_to_tgsi)
 192             free_glsl_to_tgsi_visitor(sttcp->glsl_to_tgsi);
 193       }
 194       break;
 195    case GL_TESS_EVALUATION_PROGRAM_NV:
 196       {
 197          struct st_tesseval_program *sttep =
 198             (struct st_tesseval_program *) prog;
 199
 200          st_release_basic_variants(st, sttep->Base.Base.Target,
 201                                    &sttep->variants, &sttep->tgsi);
 202
 203          if (sttep->glsl_to_tgsi)
 204             free_glsl_to_tgsi_visitor(sttep->glsl_to_tgsi);
 205       }
 206       break;
 207    case GL_COMPUTE_PROGRAM_NV:
 208       {
 209          struct st_compute_program *stcp =
 210             (struct st_compute_program *) prog;
 211
 212          st_release_cp_variants(st, stcp);
 213
 214          if (stcp->glsl_to_tgsi)
 215             free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
 216       }
 217       break;
 218    default:
 219       assert(0); /* problem */
 220    }
 221
 222    /* delete base class */
 223    _mesa_delete_program( ctx, prog );
 224 }
 225
 226
 227 /**
 228  * Called via ctx->Driver.ProgramStringNotify()
 229  * Called when the program's text/code is changed.  We have to free
 230  * all shader variants and corresponding gallium shaders when this happens.
 231  */
 232 static GLboolean
 233 st_program_string_notify( struct gl_context *ctx,
 234                                            GLenum target,
 235                                            struct gl_program *prog )
 236 {
 237    struct st_context *st = st_context(ctx);
 238    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 239
 240    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 241       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 242
 243       st_release_fp_variants(st, stfp);
 244       if (!st_translate_fragment_program(st, stfp))
 245          return false;
 246
 247       if (st->fp == stfp)
 248          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 249    }
 250    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 251       struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 252
 253       st_release_basic_variants(st, stgp->Base.Base.Target,
 254                                 &stgp->variants, &stgp->tgsi);
 255       if (!st_translate_geometry_program(st, stgp))
 256          return false;
 257
 258       if (st->gp == stgp)
 259          st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
 260    }
 261    else if (target == GL_VERTEX_PROGRAM_ARB) {
 262       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 263
 264       st_release_vp_variants(st, stvp);
 265       if (!st_translate_vertex_program(st, stvp))
 266          return false;
 267
 268       if (st->vp == stvp)
 269          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 270    }
 271    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 272       struct st_tessctrl_program *sttcp =
 273          (struct st_tessctrl_program *) prog;
 274
 275       st_release_basic_variants(st, sttcp->Base.Base.Target,
 276                                 &sttcp->variants, &sttcp->tgsi);
 277       if (!st_translate_tessctrl_program(st, sttcp))
 278          return false;
 279
 280       if (st->tcp == sttcp)
 281          st->dirty.st |= ST_NEW_TESSCTRL_PROGRAM;
 282    }
 283    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 284       struct st_tesseval_program *sttep =
 285          (struct st_tesseval_program *) prog;
 286
 287       st_release_basic_variants(st, sttep->Base.Base.Target,
 288                                 &sttep->variants, &sttep->tgsi);
 289       if (!st_translate_tesseval_program(st, sttep))
 290          return false;
 291
 292       if (st->tep == sttep)
 293          st->dirty.st |= ST_NEW_TESSEVAL_PROGRAM;
 294    }
 295    else if (target == GL_COMPUTE_PROGRAM_NV) {
 296       struct st_compute_program *stcp =
 297          (struct st_compute_program *) prog;
 298
 299       st_release_cp_variants(st, stcp);
 300       if (!st_translate_compute_program(st, stcp))
 301          return false;
 302
 303       if (st->cp == stcp)
 304          st->dirty_cp.st |= ST_NEW_COMPUTE_PROGRAM;
 305    }
 306    else if (target == GL_FRAGMENT_SHADER_ATI) {
 307       assert(prog);
 308
 309       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 310       assert(stfp->ati_fs);
 311       assert(stfp->ati_fs->Program == prog);
 312
 313       st_init_atifs_prog(ctx, prog);
 314
 315       st_release_fp_variants(st, stfp);
 316       if (!st_translate_fragment_program(st, stfp))
 317          return false;
 318
 319       if (st->fp == stfp)
 320          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 321    }
 322
 323    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 324        st->shader_has_one_variant[stage])
 325       st_precompile_shader_variant(st, prog);
 326
 327    return GL_TRUE;
 328 }
 329
 330 /**
 331  * Called via ctx->Driver.NewATIfs()
 332  * Called in glEndFragmentShaderATI()
 333  */
 334 static struct gl_program *
 335 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 336 {
 337    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 338          curProg->Id);
 339    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 340    stfp->ati_fs = curProg;
 341    return prog;
 342 }
 343
 344 /**
 345  * Plug in the program and shader-related device driver functions.
 346  */
 347 void
 348 st_init_program_functions(struct dd_function_table *functions)
 349 {
 350    functions->BindProgram = st_bind_program;
 351    functions->UseProgram = st_use_program;
 352    functions->NewProgram = st_new_program;
 353    functions->DeleteProgram = st_delete_program;
 354    functions->ProgramStringNotify = st_program_string_notify;
 355    functions->NewATIfs = st_new_ati_fs;
 356
 357    functions->LinkShader = st_link_shader;
 358 }