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
  50
  51
  52 /**
  53  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  54  * fragment program.
  55  */
  56 static void
  57 st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog)
  58 {
  59    struct st_context *st = st_context(ctx);
  60
  61    switch (target) {
  62    case GL_VERTEX_PROGRAM_ARB:
  63       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  64       break;
  65    case GL_FRAGMENT_PROGRAM_ARB:
  66       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  67       break;
  68    case GL_GEOMETRY_PROGRAM_NV:
  69       st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
  70       break;
  71    case GL_TESS_CONTROL_PROGRAM_NV:
  72       st->dirty.st |= ST_NEW_TESSCTRL_PROGRAM;
  73       break;
  74    case GL_TESS_EVALUATION_PROGRAM_NV:
  75       st->dirty.st |= ST_NEW_TESSEVAL_PROGRAM;
  76       break;
  77    }
  78 }
  79
  80
  81 /**
  82  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  83  * (vertex shader + fragment shader).
  84  */
  85 static void
  86 st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg)
  87 {
  88    struct st_context *st = st_context(ctx);
  89
  90    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  91    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  92    st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
  93    st->dirty.st |= ST_NEW_TESSCTRL_PROGRAM;
  94    st->dirty.st |= ST_NEW_TESSEVAL_PROGRAM;
  95 }
  96
  97
  98 /**
  99  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
 100  * fragment program.
 101  */
 102 static struct gl_program *
 103 st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
 104 {
 105    switch (target) {
 106    case GL_VERTEX_PROGRAM_ARB: {
 107       struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
 108       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 109    }
 110    case GL_FRAGMENT_PROGRAM_ARB: {
 111       struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
 112       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 113    }
 114    case GL_GEOMETRY_PROGRAM_NV: {
 115       struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program);
 116       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 117    }
 118    case GL_TESS_CONTROL_PROGRAM_NV: {
 119       struct st_tessctrl_program *prog = ST_CALLOC_STRUCT(st_tessctrl_program);
 120       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 121    }
 122    case GL_TESS_EVALUATION_PROGRAM_NV: {
 123       struct st_tesseval_program *prog = ST_CALLOC_STRUCT(st_tesseval_program);
 124       return _mesa_init_gl_program(&prog->Base.Base, target, id);
 125    }
 126    default:
 127       assert(0);
 128       return NULL;
 129    }
 130 }
 131
 132
 133 /**
 134  * Called via ctx->Driver.DeleteProgram()
 135  */
 136 static void
 137 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
 138 {
 139    struct st_context *st = st_context(ctx);
 140
 141    switch( prog->Target ) {
 142    case GL_VERTEX_PROGRAM_ARB:
 143       {
 144          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 145          st_release_vp_variants( st, stvp );
 146
 147          if (stvp->glsl_to_tgsi)
 148             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 149       }
 150       break;
 151    case GL_GEOMETRY_PROGRAM_NV:
 152       {
 153          struct st_geometry_program *stgp =
 154             (struct st_geometry_program *) prog;
 155
 156          st_release_basic_variants(st, stgp->Base.Base.Target,
 157                                    &stgp->variants, &stgp->tgsi);
 158
 159          if (stgp->glsl_to_tgsi)
 160             free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
 161       }
 162       break;
 163    case GL_FRAGMENT_PROGRAM_ARB:
 164       {
 165          struct st_fragment_program *stfp =
 166             (struct st_fragment_program *) prog;
 167
 168          st_release_fp_variants(st, stfp);
 169
 170          if (stfp->glsl_to_tgsi)
 171             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 172       }
 173       break;
 174    case GL_TESS_CONTROL_PROGRAM_NV:
 175       {
 176          struct st_tessctrl_program *sttcp =
 177             (struct st_tessctrl_program *) prog;
 178
 179          st_release_basic_variants(st, sttcp->Base.Base.Target,
 180                                    &sttcp->variants, &sttcp->tgsi);
 181
 182          if (sttcp->glsl_to_tgsi)
 183             free_glsl_to_tgsi_visitor(sttcp->glsl_to_tgsi);
 184       }
 185       break;
 186    case GL_TESS_EVALUATION_PROGRAM_NV:
 187       {
 188          struct st_tesseval_program *sttep =
 189             (struct st_tesseval_program *) prog;
 190
 191          st_release_basic_variants(st, sttep->Base.Base.Target,
 192                                    &sttep->variants, &sttep->tgsi);
 193
 194          if (sttep->glsl_to_tgsi)
 195             free_glsl_to_tgsi_visitor(sttep->glsl_to_tgsi);
 196       }
 197       break;
 198    default:
 199       assert(0); /* problem */
 200    }
 201
 202    /* delete base class */
 203    _mesa_delete_program( ctx, prog );
 204 }
 205
 206
 207 /**
 208  * Called via ctx->Driver.ProgramStringNotify()
 209  * Called when the program's text/code is changed.  We have to free
 210  * all shader variants and corresponding gallium shaders when this happens.
 211  */
 212 static GLboolean
 213 st_program_string_notify( struct gl_context *ctx,
 214                                            GLenum target,
 215                                            struct gl_program *prog )
 216 {
 217    struct st_context *st = st_context(ctx);
 218    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 219
 220    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 221       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 222
 223       st_release_fp_variants(st, stfp);
 224       if (!st_translate_fragment_program(st, stfp))
 225          return false;
 226
 227       if (st->fp == stfp)
 228          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 229    }
 230    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 231       struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 232
 233       st_release_basic_variants(st, stgp->Base.Base.Target,
 234                                 &stgp->variants, &stgp->tgsi);
 235       if (!st_translate_geometry_program(st, stgp))
 236          return false;
 237
 238       if (st->gp == stgp)
 239          st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM;
 240    }
 241    else if (target == GL_VERTEX_PROGRAM_ARB) {
 242       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 243
 244       st_release_vp_variants(st, stvp);
 245       if (!st_translate_vertex_program(st, stvp))
 246          return false;
 247
 248       if (st->vp == stvp)
 249          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 250    }
 251    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 252       struct st_tessctrl_program *sttcp =
 253          (struct st_tessctrl_program *) prog;
 254
 255       st_release_basic_variants(st, sttcp->Base.Base.Target,
 256                                 &sttcp->variants, &sttcp->tgsi);
 257       if (!st_translate_tessctrl_program(st, sttcp))
 258          return false;
 259
 260       if (st->tcp == sttcp)
 261          st->dirty.st |= ST_NEW_TESSCTRL_PROGRAM;
 262    }
 263    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 264       struct st_tesseval_program *sttep =
 265          (struct st_tesseval_program *) prog;
 266
 267       st_release_basic_variants(st, sttep->Base.Base.Target,
 268                                 &sttep->variants, &sttep->tgsi);
 269       if (!st_translate_tesseval_program(st, sttep))
 270          return false;
 271
 272       if (st->tep == sttep)
 273          st->dirty.st |= ST_NEW_TESSEVAL_PROGRAM;
 274    }
 275
 276    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 277        st->shader_has_one_variant[stage])
 278       st_precompile_shader_variant(st, prog);
 279
 280    return GL_TRUE;
 281 }
 282
 283
 284 /**
 285  * Plug in the program and shader-related device driver functions.
 286  */
 287 void
 288 st_init_program_functions(struct dd_function_table *functions)
 289 {
 290    functions->BindProgram = st_bind_program;
 291    functions->UseProgram = st_use_program;
 292    functions->NewProgram = st_new_program;
 293    functions->DeleteProgram = st_delete_program;
 294    functions->ProgramStringNotify = st_program_string_notify;
 295
 296    functions->LinkShader = st_link_shader;
 297 }