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_ir.h"
  49 #include "st_atifs_to_tgsi.h"
  50 #include "st_util.h"
  51
  52
  53 /**
  54  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
  55  * fragment program.
  56  */
  57 static struct gl_program *
  58 st_new_program(struct gl_context *ctx, GLenum target, GLuint id,
  59                bool is_arb_asm)
  60 {
  61    switch (target) {
  62    case GL_VERTEX_PROGRAM_ARB: {
  63       struct st_vertex_program *prog = rzalloc(NULL,
  64                                                struct st_vertex_program);
  65       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  66    }
  67    case GL_FRAGMENT_PROGRAM_ARB: {
  68       struct st_fragment_program *prog = rzalloc(NULL,
  69                                                  struct st_fragment_program);
  70       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  71    }
  72    case GL_TESS_CONTROL_PROGRAM_NV:
  73    case GL_TESS_EVALUATION_PROGRAM_NV:
  74    case GL_GEOMETRY_PROGRAM_NV: {
  75       struct st_common_program *prog = rzalloc(NULL,
  76                                                struct st_common_program);
  77       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  78    }
  79    case GL_COMPUTE_PROGRAM_NV: {
  80       struct st_compute_program *prog = rzalloc(NULL,
  81                                                 struct st_compute_program);
  82       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  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_TESS_CONTROL_PROGRAM_NV:
 110    case GL_TESS_EVALUATION_PROGRAM_NV:
 111    case GL_GEOMETRY_PROGRAM_NV:
 112       {
 113          struct st_common_program *p = st_common_program(prog);
 114
 115          st_release_basic_variants(st, p->Base.Target, &p->variants,
 116                                    &p->tgsi);
 117
 118          if (p->glsl_to_tgsi)
 119             free_glsl_to_tgsi_visitor(p->glsl_to_tgsi);
 120       }
 121       break;
 122    case GL_FRAGMENT_PROGRAM_ARB:
 123       {
 124          struct st_fragment_program *stfp =
 125             (struct st_fragment_program *) prog;
 126
 127          st_release_fp_variants(st, stfp);
 128
 129          if (stfp->glsl_to_tgsi)
 130             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 131       }
 132       break;
 133    case GL_COMPUTE_PROGRAM_NV:
 134       {
 135          struct st_compute_program *stcp =
 136             (struct st_compute_program *) prog;
 137
 138          st_release_cp_variants(st, stcp);
 139
 140          if (stcp->glsl_to_tgsi)
 141             free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
 142       }
 143       break;
 144    default:
 145       assert(0); /* problem */
 146    }
 147
 148    /* delete base class */
 149    _mesa_delete_program( ctx, prog );
 150 }
 151
 152
 153 /**
 154  * Called via ctx->Driver.ProgramStringNotify()
 155  * Called when the program's text/code is changed.  We have to free
 156  * all shader variants and corresponding gallium shaders when this happens.
 157  */
 158 static GLboolean
 159 st_program_string_notify( struct gl_context *ctx,
 160                                            GLenum target,
 161                                            struct gl_program *prog )
 162 {
 163    struct st_context *st = st_context(ctx);
 164    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 165
 166    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 167       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 168
 169       st_release_fp_variants(st, stfp);
 170       if (!st_translate_fragment_program(st, stfp))
 171          return false;
 172
 173       if (st->fp == stfp)
 174          st->dirty |= stfp->affected_states;
 175    }
 176    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 177       struct st_common_program *stgp = st_common_program(prog);
 178
 179       st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
 180                                 &stgp->tgsi);
 181       if (!st_translate_geometry_program(st, stgp))
 182          return false;
 183
 184       if (st->gp == stgp)
 185          st->dirty |= stgp->affected_states;
 186    }
 187    else if (target == GL_VERTEX_PROGRAM_ARB) {
 188       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 189
 190       st_release_vp_variants(st, stvp);
 191       if (!st_translate_vertex_program(st, stvp))
 192          return false;
 193
 194       if (st->vp == stvp)
 195          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 196    }
 197    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 198       struct st_common_program *sttcp =
 199          st_common_program(prog);
 200
 201       st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 202                                 &sttcp->tgsi);
 203       if (!st_translate_tessctrl_program(st, sttcp))
 204          return false;
 205
 206       if (st->tcp == sttcp)
 207          st->dirty |= sttcp->affected_states;
 208    }
 209    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 210       struct st_common_program *sttep =
 211          st_common_program(prog);
 212
 213       st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
 214                                 &sttep->tgsi);
 215       if (!st_translate_tesseval_program(st, sttep))
 216          return false;
 217
 218       if (st->tep == sttep)
 219          st->dirty |= sttep->affected_states;
 220    }
 221    else if (target == GL_COMPUTE_PROGRAM_NV) {
 222       struct st_compute_program *stcp =
 223          (struct st_compute_program *) prog;
 224
 225       st_release_cp_variants(st, stcp);
 226       if (!st_translate_compute_program(st, stcp))
 227          return false;
 228
 229       if (st->cp == stcp)
 230          st->dirty |= stcp->affected_states;
 231    }
 232    else if (target == GL_FRAGMENT_SHADER_ATI) {
 233       assert(prog);
 234
 235       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 236       assert(stfp->ati_fs);
 237       assert(stfp->ati_fs->Program == prog);
 238
 239       st_init_atifs_prog(ctx, prog);
 240
 241       st_release_fp_variants(st, stfp);
 242       if (!st_translate_fragment_program(st, stfp))
 243          return false;
 244
 245       if (st->fp == stfp)
 246          st->dirty |= stfp->affected_states;
 247    }
 248
 249    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 250        st->shader_has_one_variant[stage])
 251       st_precompile_shader_variant(st, prog);
 252
 253    return GL_TRUE;
 254 }
 255
 256 /**
 257  * Called via ctx->Driver.NewATIfs()
 258  * Called in glEndFragmentShaderATI()
 259  */
 260 static struct gl_program *
 261 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 262 {
 263    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 264          curProg->Id, true);
 265    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 266    stfp->ati_fs = curProg;
 267    return prog;
 268 }
 269
 270 static void
 271 st_max_shader_compiler_threads(struct gl_context *ctx, unsigned count)
 272 {
 273    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 274
 275    if (screen->set_max_shader_compiler_threads)
 276       screen->set_max_shader_compiler_threads(screen, count);
 277 }
 278
 279 static bool
 280 st_get_shader_program_completion_status(struct gl_context *ctx,
 281                                         struct gl_shader_program *shprog)
 282 {
 283    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 284
 285    if (!screen->is_parallel_shader_compilation_finished)
 286       return true;
 287
 288    for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
 289       struct gl_linked_shader *linked = shprog->_LinkedShaders[i];
 290       void *sh = NULL;
 291
 292       if (!linked || !linked->Program)
 293          continue;
 294
 295       switch (i) {
 296       case MESA_SHADER_VERTEX:
 297          if (st_vertex_program(linked->Program)->variants)
 298             sh = st_vertex_program(linked->Program)->variants->driver_shader;
 299          break;
 300       case MESA_SHADER_FRAGMENT:
 301          if (st_fragment_program(linked->Program)->variants)
 302             sh = st_fragment_program(linked->Program)->variants->driver_shader;
 303          break;
 304       case MESA_SHADER_TESS_CTRL:
 305       case MESA_SHADER_TESS_EVAL:
 306       case MESA_SHADER_GEOMETRY:
 307          if (st_common_program(linked->Program)->variants)
 308             sh = st_common_program(linked->Program)->variants->driver_shader;
 309          break;
 310       case MESA_SHADER_COMPUTE:
 311          if (st_compute_program(linked->Program)->variants)
 312             sh = st_compute_program(linked->Program)->variants->driver_shader;
 313          break;
 314       }
 315
 316       unsigned type = pipe_shader_type_from_mesa(i);
 317
 318       if (sh &&
 319           !screen->is_parallel_shader_compilation_finished(screen, sh, type))
 320          return false;
 321    }
 322    return true;
 323 }
 324
 325 /**
 326  * Plug in the program and shader-related device driver functions.
 327  */
 328 void
 329 st_init_program_functions(struct dd_function_table *functions)
 330 {
 331    functions->NewProgram = st_new_program;
 332    functions->DeleteProgram = st_delete_program;
 333    functions->ProgramStringNotify = st_program_string_notify;
 334    functions->NewATIfs = st_new_ati_fs;
 335    functions->LinkShader = st_link_shader;
 336    functions->SetMaxShaderCompilerThreads = st_max_shader_compiler_threads;
 337    functions->GetShaderProgramCompletionStatus =
 338       st_get_shader_program_completion_status;
 339 }