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_TESS_CONTROL_PROGRAM_NV:
  68    case GL_TESS_EVALUATION_PROGRAM_NV:
  69    case GL_GEOMETRY_PROGRAM_NV:
  70    case GL_FRAGMENT_PROGRAM_ARB:
  71    case GL_COMPUTE_PROGRAM_NV: {
  72       struct st_common_program *prog = rzalloc(NULL,
  73                                                struct st_common_program);
  74       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  75    }
  76    default:
  77       assert(0);
  78       return NULL;
  79    }
  80 }
  81
  82
  83 /**
  84  * Called via ctx->Driver.DeleteProgram()
  85  */
  86 static void
  87 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
  88 {
  89    struct st_context *st = st_context(ctx);
  90
  91    switch( prog->Target ) {
  92    case GL_VERTEX_PROGRAM_ARB:
  93       {
  94          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
  95          st_release_vp_variants( st, stvp );
  96
  97          if (stvp->glsl_to_tgsi)
  98             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
  99       }
 100       break;
 101    case GL_TESS_CONTROL_PROGRAM_NV:
 102    case GL_TESS_EVALUATION_PROGRAM_NV:
 103    case GL_GEOMETRY_PROGRAM_NV:
 104    case GL_FRAGMENT_PROGRAM_ARB:
 105    case GL_COMPUTE_PROGRAM_NV:
 106       {
 107          struct st_common_program *p = st_common_program(prog);
 108
 109          if (prog->Target == GL_FRAGMENT_PROGRAM_ARB)
 110             st_release_fp_variants(st, p);
 111          else
 112             st_release_common_variants(st, p);
 113
 114          if (p->glsl_to_tgsi)
 115             free_glsl_to_tgsi_visitor(p->glsl_to_tgsi);
 116       }
 117       break;
 118    default:
 119       assert(0); /* problem */
 120    }
 121
 122    /* delete base class */
 123    _mesa_delete_program( ctx, prog );
 124 }
 125
 126
 127 /**
 128  * Called via ctx->Driver.ProgramStringNotify()
 129  * Called when the program's text/code is changed.  We have to free
 130  * all shader variants and corresponding gallium shaders when this happens.
 131  */
 132 static GLboolean
 133 st_program_string_notify( struct gl_context *ctx,
 134                                            GLenum target,
 135                                            struct gl_program *prog )
 136 {
 137    struct st_context *st = st_context(ctx);
 138    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 139
 140    if (target == GL_FRAGMENT_PROGRAM_ARB ||
 141        target == GL_FRAGMENT_SHADER_ATI) {
 142       struct st_common_program *stfp = (struct st_common_program *) prog;
 143
 144       if (target == GL_FRAGMENT_SHADER_ATI) {
 145          assert(stfp->ati_fs);
 146          assert(stfp->ati_fs->Program == prog);
 147
 148          st_init_atifs_prog(ctx, prog);
 149       }
 150
 151       st_release_fp_variants(st, stfp);
 152       if (!stfp->shader_program && /* not GLSL->NIR */
 153           !st_translate_fragment_program(st, stfp))
 154          return false;
 155
 156       if (st->fp == stfp)
 157          st->dirty |= stfp->affected_states;
 158    } else if (target == GL_VERTEX_PROGRAM_ARB) {
 159       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 160
 161       st_release_vp_variants(st, stvp);
 162       if (!stvp->shader_program && /* not GLSL->NIR */
 163           !st_translate_vertex_program(st, stvp))
 164          return false;
 165
 166       if (st->vp == stvp)
 167          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 168    } else {
 169       struct st_common_program *stcp = st_common_program(prog);
 170
 171       st_release_common_variants(st, stcp);
 172       if (!stcp->shader_program && /* not GLSL->NIR */
 173           !st_translate_common_program(st, stcp))
 174          return false;
 175
 176       if ((prog->info.stage == MESA_SHADER_TESS_CTRL && st->tcp == stcp) ||
 177           (prog->info.stage == MESA_SHADER_TESS_EVAL && st->tep == stcp) ||
 178           (prog->info.stage == MESA_SHADER_GEOMETRY && st->gp == stcp) ||
 179           (prog->info.stage == MESA_SHADER_COMPUTE && st->cp == stcp))
 180          st->dirty |= stcp->affected_states;
 181    }
 182
 183    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 184        st->shader_has_one_variant[stage])
 185       st_precompile_shader_variant(st, prog);
 186
 187    return GL_TRUE;
 188 }
 189
 190 /**
 191  * Called via ctx->Driver.NewATIfs()
 192  * Called in glEndFragmentShaderATI()
 193  */
 194 static struct gl_program *
 195 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 196 {
 197    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 198          curProg->Id, true);
 199    struct st_common_program *stfp = (struct st_common_program *)prog;
 200    stfp->ati_fs = curProg;
 201    return prog;
 202 }
 203
 204 static void
 205 st_max_shader_compiler_threads(struct gl_context *ctx, unsigned count)
 206 {
 207    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 208
 209    if (screen->set_max_shader_compiler_threads)
 210       screen->set_max_shader_compiler_threads(screen, count);
 211 }
 212
 213 static bool
 214 st_get_shader_program_completion_status(struct gl_context *ctx,
 215                                         struct gl_shader_program *shprog)
 216 {
 217    struct pipe_screen *screen = st_context(ctx)->pipe->screen;
 218
 219    if (!screen->is_parallel_shader_compilation_finished)
 220       return true;
 221
 222    for (unsigned i = 0; i < MESA_SHADER_STAGES; i++) {
 223       struct gl_linked_shader *linked = shprog->_LinkedShaders[i];
 224       void *sh = NULL;
 225
 226       if (!linked || !linked->Program)
 227          continue;
 228
 229       switch (i) {
 230       case MESA_SHADER_VERTEX:
 231          if (st_vertex_program(linked->Program)->variants)
 232             sh = st_vertex_program(linked->Program)->variants->driver_shader;
 233          break;
 234       case MESA_SHADER_FRAGMENT:
 235          if (st_common_program(linked->Program)->fp_variants)
 236             sh = st_common_program(linked->Program)->fp_variants->driver_shader;
 237          break;
 238       case MESA_SHADER_TESS_CTRL:
 239       case MESA_SHADER_TESS_EVAL:
 240       case MESA_SHADER_GEOMETRY:
 241       case MESA_SHADER_COMPUTE:
 242          if (st_common_program(linked->Program)->variants)
 243             sh = st_common_program(linked->Program)->variants->driver_shader;
 244          break;
 245       }
 246
 247       unsigned type = pipe_shader_type_from_mesa(i);
 248
 249       if (sh &&
 250           !screen->is_parallel_shader_compilation_finished(screen, sh, type))
 251          return false;
 252    }
 253    return true;
 254 }
 255
 256 /**
 257  * Plug in the program and shader-related device driver functions.
 258  */
 259 void
 260 st_init_program_functions(struct dd_function_table *functions)
 261 {
 262    functions->NewProgram = st_new_program;
 263    functions->DeleteProgram = st_delete_program;
 264    functions->ProgramStringNotify = st_program_string_notify;
 265    functions->NewATIfs = st_new_ati_fs;
 266    functions->LinkShader = st_link_shader;
 267    functions->SetMaxShaderCompilerThreads = st_max_shader_compiler_threads;
 268    functions->GetShaderProgramCompletionStatus =
 269       st_get_shader_program_completion_status;
 270 }