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