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 #include "st_atifs_to_tgsi.h"
  50
  51
  52 /**
  53  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
  54  * fragment program.
  55  */
  56 static struct gl_program *
  57 st_new_program(struct gl_context *ctx, GLenum target, GLuint id)
  58 {
  59    switch (target) {
  60    case GL_VERTEX_PROGRAM_ARB: {
  61       struct st_vertex_program *prog = rzalloc(NULL,
  62                                                struct st_vertex_program);
  63       return _mesa_init_gl_program(&prog->Base, target, id);
  64    }
  65    case GL_FRAGMENT_PROGRAM_ARB: {
  66       struct st_fragment_program *prog = rzalloc(NULL,
  67                                                  struct st_fragment_program);
  68       return _mesa_init_gl_program(&prog->Base, target, id);
  69    }
  70    case GL_GEOMETRY_PROGRAM_NV: {
  71       struct st_geometry_program *prog = rzalloc(NULL,
  72                                                  struct st_geometry_program);
  73       return _mesa_init_gl_program(&prog->Base, target, id);
  74    }
  75    case GL_TESS_CONTROL_PROGRAM_NV: {
  76       struct st_tessctrl_program *prog = rzalloc(NULL,
  77                                                  struct st_tessctrl_program);
  78       return _mesa_init_gl_program(&prog->Base, target, id);
  79    }
  80    case GL_TESS_EVALUATION_PROGRAM_NV: {
  81       struct st_tesseval_program *prog = rzalloc(NULL,
  82                                                  struct st_tesseval_program);
  83       return _mesa_init_gl_program(&prog->Base, target, id);
  84    }
  85    case GL_COMPUTE_PROGRAM_NV: {
  86       struct st_compute_program *prog = rzalloc(NULL,
  87                                                 struct st_compute_program);
  88       return _mesa_init_gl_program(&prog->Base, target, id);
  89    }
  90    default:
  91       assert(0);
  92       return NULL;
  93    }
  94 }
  95
  96
  97 /**
  98  * Called via ctx->Driver.DeleteProgram()
  99  */
 100 static void
 101 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
 102 {
 103    struct st_context *st = st_context(ctx);
 104
 105    switch( prog->Target ) {
 106    case GL_VERTEX_PROGRAM_ARB:
 107       {
 108          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 109          st_release_vp_variants( st, stvp );
 110
 111          if (stvp->glsl_to_tgsi)
 112             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 113       }
 114       break;
 115    case GL_GEOMETRY_PROGRAM_NV:
 116       {
 117          struct st_geometry_program *stgp =
 118             (struct st_geometry_program *) prog;
 119
 120          st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
 121                                    &stgp->tgsi);
 122
 123          if (stgp->glsl_to_tgsi)
 124             free_glsl_to_tgsi_visitor(stgp->glsl_to_tgsi);
 125       }
 126       break;
 127    case GL_FRAGMENT_PROGRAM_ARB:
 128       {
 129          struct st_fragment_program *stfp =
 130             (struct st_fragment_program *) prog;
 131
 132          st_release_fp_variants(st, stfp);
 133
 134          if (stfp->glsl_to_tgsi)
 135             free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
 136       }
 137       break;
 138    case GL_TESS_CONTROL_PROGRAM_NV:
 139       {
 140          struct st_tessctrl_program *sttcp =
 141             (struct st_tessctrl_program *) prog;
 142
 143          st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 144                                    &sttcp->tgsi);
 145
 146          if (sttcp->glsl_to_tgsi)
 147             free_glsl_to_tgsi_visitor(sttcp->glsl_to_tgsi);
 148       }
 149       break;
 150    case GL_TESS_EVALUATION_PROGRAM_NV:
 151       {
 152          struct st_tesseval_program *sttep =
 153             (struct st_tesseval_program *) prog;
 154
 155          st_release_basic_variants(st, sttep->Base.Target,
 156                                    &sttep->variants, &sttep->tgsi);
 157
 158          if (sttep->glsl_to_tgsi)
 159             free_glsl_to_tgsi_visitor(sttep->glsl_to_tgsi);
 160       }
 161       break;
 162    case GL_COMPUTE_PROGRAM_NV:
 163       {
 164          struct st_compute_program *stcp =
 165             (struct st_compute_program *) prog;
 166
 167          st_release_cp_variants(st, stcp);
 168
 169          if (stcp->glsl_to_tgsi)
 170             free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
 171       }
 172       break;
 173    default:
 174       assert(0); /* problem */
 175    }
 176
 177    /* delete base class */
 178    _mesa_delete_program( ctx, prog );
 179 }
 180
 181
 182 /**
 183  * Called via ctx->Driver.ProgramStringNotify()
 184  * Called when the program's text/code is changed.  We have to free
 185  * all shader variants and corresponding gallium shaders when this happens.
 186  */
 187 static GLboolean
 188 st_program_string_notify( struct gl_context *ctx,
 189                                            GLenum target,
 190                                            struct gl_program *prog )
 191 {
 192    struct st_context *st = st_context(ctx);
 193    gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
 194
 195    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 196       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 197
 198       st_release_fp_variants(st, stfp);
 199       if (!st_translate_fragment_program(st, stfp))
 200          return false;
 201
 202       if (st->fp == stfp)
 203          st->dirty |= stfp->affected_states;
 204    }
 205    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 206       struct st_geometry_program *stgp = (struct st_geometry_program *) prog;
 207
 208       st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
 209                                 &stgp->tgsi);
 210       if (!st_translate_geometry_program(st, stgp))
 211          return false;
 212
 213       if (st->gp == stgp)
 214          st->dirty |= stgp->affected_states;
 215    }
 216    else if (target == GL_VERTEX_PROGRAM_ARB) {
 217       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 218
 219       st_release_vp_variants(st, stvp);
 220       if (!st_translate_vertex_program(st, stvp))
 221          return false;
 222
 223       if (st->vp == stvp)
 224          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 225    }
 226    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 227       struct st_tessctrl_program *sttcp =
 228          (struct st_tessctrl_program *) prog;
 229
 230       st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 231                                 &sttcp->tgsi);
 232       if (!st_translate_tessctrl_program(st, sttcp))
 233          return false;
 234
 235       if (st->tcp == sttcp)
 236          st->dirty |= sttcp->affected_states;
 237    }
 238    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 239       struct st_tesseval_program *sttep =
 240          (struct st_tesseval_program *) prog;
 241
 242       st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
 243                                 &sttep->tgsi);
 244       if (!st_translate_tesseval_program(st, sttep))
 245          return false;
 246
 247       if (st->tep == sttep)
 248          st->dirty |= sttep->affected_states;
 249    }
 250    else if (target == GL_COMPUTE_PROGRAM_NV) {
 251       struct st_compute_program *stcp =
 252          (struct st_compute_program *) prog;
 253
 254       st_release_cp_variants(st, stcp);
 255       if (!st_translate_compute_program(st, stcp))
 256          return false;
 257
 258       if (st->cp == stcp)
 259          st->dirty |= stcp->affected_states;
 260    }
 261    else if (target == GL_FRAGMENT_SHADER_ATI) {
 262       assert(prog);
 263
 264       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 265       assert(stfp->ati_fs);
 266       assert(stfp->ati_fs->Program == prog);
 267
 268       st_init_atifs_prog(ctx, prog);
 269
 270       st_release_fp_variants(st, stfp);
 271       if (!st_translate_fragment_program(st, stfp))
 272          return false;
 273
 274       if (st->fp == stfp)
 275          st->dirty |= stfp->affected_states;
 276    }
 277
 278    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 279        st->shader_has_one_variant[stage])
 280       st_precompile_shader_variant(st, prog);
 281
 282    return GL_TRUE;
 283 }
 284
 285 /**
 286  * Called via ctx->Driver.NewATIfs()
 287  * Called in glEndFragmentShaderATI()
 288  */
 289 static struct gl_program *
 290 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 291 {
 292    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 293          curProg->Id);
 294    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 295    stfp->ati_fs = curProg;
 296    return prog;
 297 }
 298
 299 /**
 300  * Plug in the program and shader-related device driver functions.
 301  */
 302 void
 303 st_init_program_functions(struct dd_function_table *functions)
 304 {
 305    functions->NewProgram = st_new_program;
 306    functions->DeleteProgram = st_delete_program;
 307    functions->ProgramStringNotify = st_program_string_notify;
 308    functions->NewATIfs = st_new_ati_fs;
 309
 310    functions->LinkShader = st_link_shader;
 311 }