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    case GL_COMPUTE_PROGRAM_NV: {
  76       struct st_common_program *prog = rzalloc(NULL,
  77                                                struct st_common_program);
  78       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  79    }
  80    default:
  81       assert(0);
  82       return NULL;
  83    }
  84 }
  85
  86
  87 /**
  88  * Called via ctx->Driver.DeleteProgram()
  89  */
  90 static void
  91 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
  92 {
  93    struct st_context *st = st_context(ctx);
  94
  95    switch( prog->Target ) {
  96    case GL_VERTEX_PROGRAM_ARB:
  97       {
  98          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
  99          st_release_vp_variants( st, stvp );
 100
 101          if (stvp->glsl_to_tgsi)
 102             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 103       }
 104       break;
 105    case GL_TESS_CONTROL_PROGRAM_NV:
 106    case GL_TESS_EVALUATION_PROGRAM_NV:
 107    case GL_GEOMETRY_PROGRAM_NV:
 108    case GL_COMPUTE_PROGRAM_NV:
 109       {
 110          struct st_common_program *p = st_common_program(prog);
 111
 112          st_release_basic_variants(st, p);
 113
 114          if (p->glsl_to_tgsi)
 115             free_glsl_to_tgsi_visitor(p->glsl_to_tgsi);
 116       }
 117       break;
 118    case GL_FRAGMENT_PROGRAM_ARB:
 119       {
 120          struct st_fragment_program *stfp =
 121             (struct st_fragment_program *) prog;
 122
 123          st_release_fp_variants(st, stfp);
 124
 125          if (stfp->glsl_to_tgsi)
 126             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 127       }
 128       break;
 129    default:
 130       assert(0); /* problem */
 131    }
 132
 133    /* delete base class */
 134    _mesa_delete_program( ctx, prog );
 135 }
 136
 137
 138 /**
 139  * Called via ctx->Driver.ProgramStringNotify()
 140  * Called when the program's text/code is changed.  We have to free
 141  * all shader variants and corresponding gallium shaders when this happens.
 142  */
 143 static GLboolean
 144 st_program_string_notify( struct gl_context *ctx,
 145                                            GLenum target,
 146                                            struct gl_program *prog )
 147 {
 148    struct st_context *st = st_context(ctx);
 149    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 150
 151    if (target == GL_FRAGMENT_PROGRAM_ARB ||
 152        target == GL_FRAGMENT_SHADER_ATI) {
 153       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 154
 155       if (target == GL_FRAGMENT_SHADER_ATI) {
 156          assert(stfp->ati_fs);
 157          assert(stfp->ati_fs->Program == prog);
 158
 159          st_init_atifs_prog(ctx, prog);
 160       }
 161
 162       st_release_fp_variants(st, stfp);
 163       if (!stfp->shader_program && /* not GLSL->NIR */
 164           !st_translate_fragment_program(st, stfp))
 165          return false;
 166
 167       if (st->fp == stfp)
 168          st->dirty |= stfp->affected_states;
 169    } else if (target == GL_VERTEX_PROGRAM_ARB) {
 170       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 171
 172       st_release_vp_variants(st, stvp);
 173       if (!stvp->shader_program && /* not GLSL->NIR */
 174           !st_translate_vertex_program(st, stvp))
 175          return false;
 176
 177       if (st->vp == stvp)
 178          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 179    } else {
 180       struct st_common_program *stcp = st_common_program(prog);
 181
 182       st_release_basic_variants(st, stcp);
 183       if (!stcp->shader_program && /* not GLSL->NIR */
 184           !st_translate_common_program(st, stcp))
 185          return false;
 186
 187       if ((prog->info.stage == MESA_SHADER_TESS_CTRL && st->tcp == stcp) ||
 188           (prog->info.stage == MESA_SHADER_TESS_EVAL && st->tep == stcp) ||
 189           (prog->info.stage == MESA_SHADER_GEOMETRY && st->gp == stcp) ||
 190           (prog->info.stage == MESA_SHADER_COMPUTE && st->cp == stcp))
 191          st->dirty |= stcp->affected_states;
 192    }
 193
 194    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 195        st->shader_has_one_variant[stage])
 196       st_precompile_shader_variant(st, prog);
 197
 198    return GL_TRUE;
 199 }
 200
 201 /**
 202  * Called via ctx->Driver.NewATIfs()
 203  * Called in glEndFragmentShaderATI()
 204  */
 205 static struct gl_program *
 206 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 207 {
 208    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 209          curProg->Id, true);
 210    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 211    stfp->ati_fs = curProg;
 212    return prog;
 213 }
 214
 215 static void
 216 st_max_shader_compiler_threads(struct gl_context *ctx, unsigned count)
 217 {
 218    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 219
 220    if (screen->set_max_shader_compiler_threads)
 221       screen->set_max_shader_compiler_threads(screen, count);
 222 }
 223
 224 static bool
 225 st_get_shader_program_completion_status(struct gl_context *ctx,
 226                                         struct gl_shader_program *shprog)
 227 {
 228    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 229
 230    if (!screen->is_parallel_shader_compilation_finished)
 231       return true;
 232
 233    for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
 234       struct gl_linked_shader *linked = shprog->_LinkedShaders[i];
 235       void *sh = NULL;
 236
 237       if (!linked || !linked->Program)
 238          continue;
 239
 240       switch (i) {
 241       case MESA_SHADER_VERTEX:
 242          if (st_vertex_program(linked->Program)->variants)
 243             sh = st_vertex_program(linked->Program)->variants->driver_shader;
 244          break;
 245       case MESA_SHADER_FRAGMENT:
 246          if (st_fragment_program(linked->Program)->variants)
 247             sh = st_fragment_program(linked->Program)->variants->driver_shader;
 248          break;
 249       case MESA_SHADER_TESS_CTRL:
 250       case MESA_SHADER_TESS_EVAL:
 251       case MESA_SHADER_GEOMETRY:
 252       case MESA_SHADER_COMPUTE:
 253          if (st_common_program(linked->Program)->variants)
 254             sh = st_common_program(linked->Program)->variants->driver_shader;
 255          break;
 256       }
 257
 258       unsigned type = pipe_shader_type_from_mesa(i);
 259
 260       if (sh &&
 261           !screen->is_parallel_shader_compilation_finished(screen, sh, type))
 262          return false;
 263    }
 264    return true;
 265 }
 266
 267 /**
 268  * Plug in the program and shader-related device driver functions.
 269  */
 270 void
 271 st_init_program_functions(struct dd_function_table *functions)
 272 {
 273    functions->NewProgram = st_new_program;
 274    functions->DeleteProgram = st_delete_program;
 275    functions->ProgramStringNotify = st_program_string_notify;
 276    functions->NewATIfs = st_new_ati_fs;
 277    functions->LinkShader = st_link_shader;
 278    functions->SetMaxShaderCompilerThreads = st_max_shader_compiler_threads;
 279    functions->GetShaderProgramCompletionStatus =
 280       st_get_shader_program_completion_status;
 281 }