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                bool is_arb_asm)
  59 {
  60    switch (target) {
  61    case GL_VERTEX_PROGRAM_ARB: {
  62       struct st_vertex_program *prog = rzalloc(NULL,
  63                                                struct st_vertex_program);
  64       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  65    }
  66    case GL_FRAGMENT_PROGRAM_ARB: {
  67       struct st_fragment_program *prog = rzalloc(NULL,
  68                                                  struct st_fragment_program);
  69       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  70    }
  71    case GL_GEOMETRY_PROGRAM_NV: {
  72       struct st_geometry_program *prog = rzalloc(NULL,
  73                                                  struct st_geometry_program);
  74       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  75    }
  76    case GL_TESS_CONTROL_PROGRAM_NV: {
  77       struct st_tessctrl_program *prog = rzalloc(NULL,
  78                                                  struct st_tessctrl_program);
  79       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  80    }
  81    case GL_TESS_EVALUATION_PROGRAM_NV: {
  82       struct st_tesseval_program *prog = rzalloc(NULL,
  83                                                  struct st_tesseval_program);
  84       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  85    }
  86    case GL_COMPUTE_PROGRAM_NV: {
  87       struct st_compute_program *prog = rzalloc(NULL,
  88                                                 struct st_compute_program);
  89       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  90    }
  91    default:
  92       assert(0);
  93       return NULL;
  94    }
  95 }
  96
  97
  98 /**
  99  * Called via ctx->Driver.DeleteProgram()
 100  */
 101 static void
 102 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
 103 {
 104    struct st_context *st = st_context(ctx);
 105
 106    switch( prog->Target ) {
 107    case GL_VERTEX_PROGRAM_ARB:
 108       {
 109          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 110          st_release_vp_variants( st, stvp );
 111
 112          if (stvp->glsl_to_tgsi)
 113             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 114       }
 115       break;
 116    case GL_GEOMETRY_PROGRAM_NV:
 117       {
 118          struct st_geometry_program *stgp =
 119             (struct st_geometry_program *) prog;
 120
 121          st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
 122                                    &stgp->tgsi);
 123
 124          if (stgp->glsl_to_tgsi)
 125             free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
 126       }
 127       break;
 128    case GL_FRAGMENT_PROGRAM_ARB:
 129       {
 130          struct st_fragment_program *stfp =
 131             (struct st_fragment_program *) prog;
 132
 133          st_release_fp_variants(st, stfp);
 134
 135          if (stfp->glsl_to_tgsi)
 136             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 137       }
 138       break;
 139    case GL_TESS_CONTROL_PROGRAM_NV:
 140       {
 141          struct st_tessctrl_program *sttcp =
 142             (struct st_tessctrl_program *) prog;
 143
 144          st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 145                                    &sttcp->tgsi);
 146
 147          if (sttcp->glsl_to_tgsi)
 148             free_glsl_to_tgsi_visitor(sttcp->glsl_to_tgsi);
 149       }
 150       break;
 151    case GL_TESS_EVALUATION_PROGRAM_NV:
 152       {
 153          struct st_tesseval_program *sttep =
 154             (struct st_tesseval_program *) prog;
 155
 156          st_release_basic_variants(st, sttep->Base.Target,
 157                                    &sttep->variants, &sttep->tgsi);
 158
 159          if (sttep->glsl_to_tgsi)
 160             free_glsl_to_tgsi_visitor(sttep->glsl_to_tgsi);
 161       }
 162       break;
 163    case GL_COMPUTE_PROGRAM_NV:
 164       {
 165          struct st_compute_program *stcp =
 166             (struct st_compute_program *) prog;
 167
 168          st_release_cp_variants(st, stcp);
 169
 170          if (stcp->glsl_to_tgsi)
 171             free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
 172       }
 173       break;
 174    default:
 175       assert(0); /* problem */
 176    }
 177
 178    /* delete base class */
 179    _mesa_delete_program( ctx, prog );
 180 }
 181
 182
 183 /**
 184  * Called via ctx->Driver.ProgramStringNotify()
 185  * Called when the program's text/code is changed.  We have to free
 186  * all shader variants and corresponding gallium shaders when this happens.
 187  */
 188 static GLboolean
 189 st_program_string_notify( struct gl_context *ctx,
 190                                            GLenum target,
 191                                            struct gl_program *prog )
 192 {
 193    struct st_context *st = st_context(ctx);
 194    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 195
 196    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 197       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 198
 199       st_release_fp_variants(st, stfp);
 200       if (!st_translate_fragment_program(st, stfp))
 201          return false;
 202
 203       if (st->fp == stfp)
 204          st->dirty |= stfp->affected_states;
 205    }
 206    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 207       struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 208
 209       st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
 210                                 &stgp->tgsi);
 211       if (!st_translate_geometry_program(st, stgp))
 212          return false;
 213
 214       if (st->gp == stgp)
 215          st->dirty |= stgp->affected_states;
 216    }
 217    else if (target == GL_VERTEX_PROGRAM_ARB) {
 218       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 219
 220       st_release_vp_variants(st, stvp);
 221       if (!st_translate_vertex_program(st, stvp))
 222          return false;
 223
 224       if (st->vp == stvp)
 225          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 226    }
 227    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 228       struct st_tessctrl_program *sttcp =
 229          (struct st_tessctrl_program *) prog;
 230
 231       st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 232                                 &sttcp->tgsi);
 233       if (!st_translate_tessctrl_program(st, sttcp))
 234          return false;
 235
 236       if (st->tcp == sttcp)
 237          st->dirty |= sttcp->affected_states;
 238    }
 239    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 240       struct st_tesseval_program *sttep =
 241          (struct st_tesseval_program *) prog;
 242
 243       st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
 244                                 &sttep->tgsi);
 245       if (!st_translate_tesseval_program(st, sttep))
 246          return false;
 247
 248       if (st->tep == sttep)
 249          st->dirty |= sttep->affected_states;
 250    }
 251    else if (target == GL_COMPUTE_PROGRAM_NV) {
 252       struct st_compute_program *stcp =
 253          (struct st_compute_program *) prog;
 254
 255       st_release_cp_variants(st, stcp);
 256       if (!st_translate_compute_program(st, stcp))
 257          return false;
 258
 259       if (st->cp == stcp)
 260          st->dirty |= stcp->affected_states;
 261    }
 262    else if (target == GL_FRAGMENT_SHADER_ATI) {
 263       assert(prog);
 264
 265       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 266       assert(stfp->ati_fs);
 267       assert(stfp->ati_fs->Program == prog);
 268
 269       st_init_atifs_prog(ctx, prog);
 270
 271       st_release_fp_variants(st, stfp);
 272       if (!st_translate_fragment_program(st, stfp))
 273          return false;
 274
 275       if (st->fp == stfp)
 276          st->dirty |= stfp->affected_states;
 277    }
 278
 279    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 280        st->shader_has_one_variant[stage])
 281       st_precompile_shader_variant(st, prog);
 282
 283    return GL_TRUE;
 284 }
 285
 286 /**
 287  * Called via ctx->Driver.NewATIfs()
 288  * Called in glEndFragmentShaderATI()
 289  */
 290 static struct gl_program *
 291 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 292 {
 293    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 294          curProg->Id, true);
 295    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 296    stfp->ati_fs = curProg;
 297    return prog;
 298 }
 299
 300 /**
 301  * Plug in the program and shader-related device driver functions.
 302  */
 303 void
 304 st_init_program_functions(struct dd_function_table *functions)
 305 {
 306    functions->NewProgram = st_new_program;
 307    functions->DeleteProgram = st_delete_program;
 308    functions->ProgramStringNotify = st_program_string_notify;
 309    functions->NewATIfs = st_new_ati_fs;
 310
 311    functions->LinkShader = st_link_shader;
 312 }