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  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
  54  * fragment program.
  55  */
  56 static struct gl_program *
  57 st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
  58 {
  59    switch (target) {
  60    case GL_VERTEX_PROGRAM_ARB: {
  61       struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
  62       return _mesa_init_gl_program(&prog->Base.Base, target, id);
  63    }
  64    case GL_FRAGMENT_PROGRAM_ARB: {
  65       struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
  66       return _mesa_init_gl_program(&prog->Base.Base, target, id);
  67    }
  68    case GL_GEOMETRY_PROGRAM_NV: {
  69       struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
  70       return _mesa_init_gl_program(&prog->Base.Base, target, id);
  71    }
  72    case GL_TESS_CONTROL_PROGRAM_NV: {
  73       struct st_tessctrl_program *prog = ST_CALLOC_STRUCT(st_tessctrl_program);
  74       return _mesa_init_gl_program(&prog->Base, target, id);
  75    }
  76    case GL_TESS_EVALUATION_PROGRAM_NV: {
  77       struct st_tesseval_program *prog = ST_CALLOC_STRUCT(st_tesseval_program);
  78       return _mesa_init_gl_program(&prog->Base, target, id);
  79    }
  80    case GL_COMPUTE_PROGRAM_NV: {
  81       struct st_compute_program *prog = ST_CALLOC_STRUCT(st_compute_program);
  82       return _mesa_init_gl_program(&prog->Base.Base, target, id);
  83    }
  84    default:
  85       assert(0);
  86       return NULL;
  87    }
  88 }
  89
  90
  91 /**
  92  * Called via ctx->Driver.DeleteProgram()
  93  */
  94 static void
  95 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
  96 {
  97    struct st_context *st = st_context(ctx);
  98
  99    switch( prog->Target ) {
 100    case GL_VERTEX_PROGRAM_ARB:
 101       {
 102          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 103          st_release_vp_variants( st, stvp );
 104
 105          if (stvp->glsl_to_tgsi)
 106             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 107       }
 108       break;
 109    case GL_GEOMETRY_PROGRAM_NV:
 110       {
 111          struct st_geometry_program *stgp =
 112             (struct st_geometry_program *) prog;
 113
 114          st_release_basic_variants(st, stgp->Base.Base.Target,
 115                                    &stgp->variants, &stgp->tgsi);
 116
 117          if (stgp->glsl_to_tgsi)
 118             free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
 119       }
 120       break;
 121    case GL_FRAGMENT_PROGRAM_ARB:
 122       {
 123          struct st_fragment_program *stfp =
 124             (struct st_fragment_program *) prog;
 125
 126          st_release_fp_variants(st, stfp);
 127
 128          if (stfp->glsl_to_tgsi)
 129             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 130       }
 131       break;
 132    case GL_TESS_CONTROL_PROGRAM_NV:
 133       {
 134          struct st_tessctrl_program *sttcp =
 135             (struct st_tessctrl_program *) prog;
 136
 137          st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 138                                    &sttcp->tgsi);
 139
 140          if (sttcp->glsl_to_tgsi)
 141             free_glsl_to_tgsi_visitor(sttcp->glsl_to_tgsi);
 142       }
 143       break;
 144    case GL_TESS_EVALUATION_PROGRAM_NV:
 145       {
 146          struct st_tesseval_program *sttep =
 147             (struct st_tesseval_program *) prog;
 148
 149          st_release_basic_variants(st, sttep->Base.Target,
 150                                    &sttep->variants, &sttep->tgsi);
 151
 152          if (sttep->glsl_to_tgsi)
 153             free_glsl_to_tgsi_visitor(sttep->glsl_to_tgsi);
 154       }
 155       break;
 156    case GL_COMPUTE_PROGRAM_NV:
 157       {
 158          struct st_compute_program *stcp =
 159             (struct st_compute_program *) prog;
 160
 161          st_release_cp_variants(st, stcp);
 162
 163          if (stcp->glsl_to_tgsi)
 164             free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
 165       }
 166       break;
 167    default:
 168       assert(0); /* problem */
 169    }
 170
 171    /* delete base class */
 172    _mesa_delete_program( ctx, prog );
 173 }
 174
 175
 176 /**
 177  * Called via ctx->Driver.ProgramStringNotify()
 178  * Called when the program's text/code is changed.  We have to free
 179  * all shader variants and corresponding gallium shaders when this happens.
 180  */
 181 static GLboolean
 182 st_program_string_notify( struct gl_context *ctx,
 183                                            GLenum target,
 184                                            struct gl_program *prog )
 185 {
 186    struct st_context *st = st_context(ctx);
 187    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 188
 189    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 190       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 191
 192       st_release_fp_variants(st, stfp);
 193       if (!st_translate_fragment_program(st, stfp))
 194          return false;
 195
 196       if (st->fp == stfp)
 197          st->dirty |= stfp->affected_states;
 198    }
 199    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 200       struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 201
 202       st_release_basic_variants(st, stgp->Base.Base.Target,
 203                                 &stgp->variants, &stgp->tgsi);
 204       if (!st_translate_geometry_program(st, stgp))
 205          return false;
 206
 207       if (st->gp == stgp)
 208          st->dirty |= stgp->affected_states;
 209    }
 210    else if (target == GL_VERTEX_PROGRAM_ARB) {
 211       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 212
 213       st_release_vp_variants(st, stvp);
 214       if (!st_translate_vertex_program(st, stvp))
 215          return false;
 216
 217       if (st->vp == stvp)
 218          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 219    }
 220    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 221       struct st_tessctrl_program *sttcp =
 222          (struct st_tessctrl_program *) prog;
 223
 224       st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 225                                 &sttcp->tgsi);
 226       if (!st_translate_tessctrl_program(st, sttcp))
 227          return false;
 228
 229       if (st->tcp == sttcp)
 230          st->dirty |= sttcp->affected_states;
 231    }
 232    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 233       struct st_tesseval_program *sttep =
 234          (struct st_tesseval_program *) prog;
 235
 236       st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
 237                                 &sttep->tgsi);
 238       if (!st_translate_tesseval_program(st, sttep))
 239          return false;
 240
 241       if (st->tep == sttep)
 242          st->dirty |= sttep->affected_states;
 243    }
 244    else if (target == GL_COMPUTE_PROGRAM_NV) {
 245       struct st_compute_program *stcp =
 246          (struct st_compute_program *) prog;
 247
 248       st_release_cp_variants(st, stcp);
 249       if (!st_translate_compute_program(st, stcp))
 250          return false;
 251
 252       if (st->cp == stcp)
 253          st->dirty |= stcp->affected_states;
 254    }
 255    else if (target == GL_FRAGMENT_SHADER_ATI) {
 256       assert(prog);
 257
 258       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 259       assert(stfp->ati_fs);
 260       assert(stfp->ati_fs->Program == prog);
 261
 262       st_init_atifs_prog(ctx, prog);
 263
 264       st_release_fp_variants(st, stfp);
 265       if (!st_translate_fragment_program(st, stfp))
 266          return false;
 267
 268       if (st->fp == stfp)
 269          st->dirty |= stfp->affected_states;
 270    }
 271
 272    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 273        st->shader_has_one_variant[stage])
 274       st_precompile_shader_variant(st, prog);
 275
 276    return GL_TRUE;
 277 }
 278
 279 /**
 280  * Called via ctx->Driver.NewATIfs()
 281  * Called in glEndFragmentShaderATI()
 282  */
 283 static struct gl_program *
 284 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 285 {
 286    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 287          curProg->Id);
 288    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 289    stfp->ati_fs = curProg;
 290    return prog;
 291 }
 292
 293 /**
 294  * Plug in the program and shader-related device driver functions.
 295  */
 296 void
 297 st_init_program_functions(struct dd_function_table *functions)
 298 {
 299    functions->NewProgram = st_new_program;
 300    functions->DeleteProgram = st_delete_program;
 301    functions->ProgramStringNotify = st_program_string_notify;
 302    functions->NewATIfs = st_new_ati_fs;
 303
 304    functions->LinkShader = st_link_shader;
 305 }