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                bool is_arb_asm)
  59 {
  60    switch (target) {
  61    case GL_VERTEX_PROGRAM_ARB: {
  62       struct st_vertex_program *prog = rzalloc(NULL,
  63                                                struct st_vertex_program);
  64       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  65    }
  66    case GL_FRAGMENT_PROGRAM_ARB: {
  67       struct st_fragment_program *prog = rzalloc(NULL,
  68                                                  struct st_fragment_program);
  69       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  70    }
  71    case GL_TESS_CONTROL_PROGRAM_NV:
  72    case GL_TESS_EVALUATION_PROGRAM_NV:
  73    case GL_GEOMETRY_PROGRAM_NV: {
  74       struct st_common_program *prog = rzalloc(NULL,
  75                                                struct st_common_program);
  76       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  77    }
  78    case GL_COMPUTE_PROGRAM_NV: {
  79       struct st_compute_program *prog = rzalloc(NULL,
  80                                                 struct st_compute_program);
  81       return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
  82    }
  83    default:
  84       assert(0);
  85       return NULL;
  86    }
  87 }
  88
  89
  90 /**
  91  * Called via ctx->Driver.DeleteProgram()
  92  */
  93 static void
  94 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
  95 {
  96    struct st_context *st = st_context(ctx);
  97
  98    switch( prog->Target ) {
  99    case GL_VERTEX_PROGRAM_ARB:
 100       {
 101          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 102          st_release_vp_variants( st, stvp );
 103
 104          if (stvp->glsl_to_tgsi)
 105             free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
 106       }
 107       break;
 108    case GL_TESS_CONTROL_PROGRAM_NV:
 109    case GL_TESS_EVALUATION_PROGRAM_NV:
 110    case GL_GEOMETRY_PROGRAM_NV:
 111       {
 112          struct st_common_program *p = st_common_program(prog);
 113
 114          st_release_basic_variants(st, p->Base.Target, &p->variants,
 115                                    &p->tgsi);
 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       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 167
 168       st_release_fp_variants(st, stfp);
 169       if (!st_translate_fragment_program(st, stfp))
 170          return false;
 171
 172       if (st->fp == stfp)
 173          st->dirty |= stfp->affected_states;
 174    }
 175    else if (target == GL_GEOMETRY_PROGRAM_NV) {
 176       struct st_common_program *stgp = st_common_program(prog);
 177
 178       st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
 179                                 &stgp->tgsi);
 180       if (!st_translate_geometry_program(st, stgp))
 181          return false;
 182
 183       if (st->gp == stgp)
 184          st->dirty |= stgp->affected_states;
 185    }
 186    else if (target == GL_VERTEX_PROGRAM_ARB) {
 187       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 188
 189       st_release_vp_variants(st, stvp);
 190       if (!st_translate_vertex_program(st, stvp))
 191          return false;
 192
 193       if (st->vp == stvp)
 194          st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
 195    }
 196    else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
 197       struct st_common_program *sttcp =
 198          st_common_program(prog);
 199
 200       st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
 201                                 &sttcp->tgsi);
 202       if (!st_translate_tessctrl_program(st, sttcp))
 203          return false;
 204
 205       if (st->tcp == sttcp)
 206          st->dirty |= sttcp->affected_states;
 207    }
 208    else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
 209       struct st_common_program *sttep =
 210          st_common_program(prog);
 211
 212       st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
 213                                 &sttep->tgsi);
 214       if (!st_translate_tesseval_program(st, sttep))
 215          return false;
 216
 217       if (st->tep == sttep)
 218          st->dirty |= sttep->affected_states;
 219    }
 220    else if (target == GL_COMPUTE_PROGRAM_NV) {
 221       struct st_compute_program *stcp =
 222          (struct st_compute_program *) prog;
 223
 224       st_release_cp_variants(st, stcp);
 225       if (!st_translate_compute_program(st, stcp))
 226          return false;
 227
 228       if (st->cp == stcp)
 229          st->dirty |= stcp->affected_states;
 230    }
 231    else if (target == GL_FRAGMENT_SHADER_ATI) {
 232       assert(prog);
 233
 234       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 235       assert(stfp->ati_fs);
 236       assert(stfp->ati_fs->Program == prog);
 237
 238       st_init_atifs_prog(ctx, prog);
 239
 240       st_release_fp_variants(st, stfp);
 241       if (!st_translate_fragment_program(st, stfp))
 242          return false;
 243
 244       if (st->fp == stfp)
 245          st->dirty |= stfp->affected_states;
 246    }
 247
 248    if (ST_DEBUG & DEBUG_PRECOMPILE ||
 249        st->shader_has_one_variant[stage])
 250       st_precompile_shader_variant(st, prog);
 251
 252    return GL_TRUE;
 253 }
 254
 255 /**
 256  * Called via ctx->Driver.NewATIfs()
 257  * Called in glEndFragmentShaderATI()
 258  */
 259 static struct gl_program *
 260 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
 261 {
 262    struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
 263          curProg->Id, true);
 264    struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
 265    stfp->ati_fs = curProg;
 266    return prog;
 267 }
 268
 269 /**
 270  * Plug in the program and shader-related device driver functions.
 271  */
 272 void
 273 st_init_program_functions(struct dd_function_table *functions)
 274 {
 275    functions->NewProgram = st_new_program;
 276    functions->DeleteProgram = st_delete_program;
 277    functions->ProgramStringNotify = st_program_string_notify;
 278    functions->NewATIfs = st_new_ati_fs;
 279
 280    functions->LinkShader = st_link_shader;
 281 }