src/mesa/state_tracker/st_cb_program.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
   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 TUNGSTEN GRAPHICS 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 <keith@tungstengraphics.com>
  31   */
  32
  33 #include "main/glheader.h"
  34 #include "main/macros.h"
  35 #include "main/enums.h"
  36 #include "shader/prog_instruction.h"
  37 #include "shader/prog_parameter.h"
  38 #include "shader/program.h"
  39 #include "shader/shader_api.h"
  40
  41 #include "cso_cache/cso_context.h"
  42 #include "draw/draw_context.h"
  43
  44 #include "st_context.h"
  45 #include "st_program.h"
  46 #include "st_atom_shader.h"
  47 #include "st_mesa_to_tgsi.h"
  48 #include "st_cb_program.h"
  49
  50
  51 static GLuint SerialNo = 1;
  52
  53
  54 /**
  55  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  56  * fragment program.
  57  */
  58 static void st_bind_program( GLcontext *ctx,
  59                              GLenum target,
  60                              struct gl_program *prog )
  61 {
  62    struct st_context *st = st_context(ctx);
  63
  64    switch (target) {
  65    case GL_VERTEX_PROGRAM_ARB:
  66       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  67       break;
  68    case GL_FRAGMENT_PROGRAM_ARB:
  69       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  70       break;
  71    }
  72 }
  73
  74
  75 /**
  76  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  77  * (vertex shader + fragment shader).
  78  */
  79 static void st_use_program( GLcontext *ctx,
  80                             GLuint program )
  81 {
  82    struct st_context *st = st_context(ctx);
  83
  84    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  85    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  86
  87    _mesa_use_program(ctx, program);
  88 }
  89
  90
  91
  92 /**
  93  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
  94  * fragment program.
  95  */
  96 static struct gl_program *st_new_program( GLcontext *ctx,
  97                                           GLenum target,
  98                                           GLuint id )
  99 {
 100    switch (target) {
 101    case GL_VERTEX_PROGRAM_ARB: {
 102       struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
 103
 104       prog->serialNo = SerialNo++;
 105
 106       return _mesa_init_vertex_program( ctx,
 107                                         &prog->Base,
 108                                         target,
 109                                         id );
 110    }
 111
 112    case GL_FRAGMENT_PROGRAM_ARB:
 113    case GL_FRAGMENT_PROGRAM_NV: {
 114       struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
 115
 116       prog->serialNo = SerialNo++;
 117
 118       return _mesa_init_fragment_program( ctx,
 119                                           &prog->Base,
 120                                           target,
 121                                           id );
 122    }
 123
 124    default:
 125       assert(0);
 126       return NULL;
 127    }
 128 }
 129
 130
 131 void
 132 st_delete_program(GLcontext *ctx, struct gl_program *prog)
 133 {
 134    struct st_context *st = st_context(ctx);
 135
 136    switch( prog->Target ) {
 137    case GL_VERTEX_PROGRAM_ARB:
 138       {
 139          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 140          st_vp_release_varients( st, stvp );
 141       }
 142       break;
 143    case GL_FRAGMENT_PROGRAM_ARB:
 144       {
 145          struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 146
 147          if (stfp->driver_shader) {
 148             cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 149             stfp->driver_shader = NULL;
 150          }
 151
 152          if (stfp->state.tokens) {
 153             st_free_tokens(stfp->state.tokens);
 154             stfp->state.tokens = NULL;
 155          }
 156
 157          if (stfp->bitmap_program) {
 158             struct gl_program *prg = &stfp->bitmap_program->Base.Base;
 159             _mesa_reference_program(ctx, &prg, NULL);
 160             stfp->bitmap_program = NULL;
 161          }
 162       }
 163       break;
 164    default:
 165       assert(0); /* problem */
 166    }
 167
 168    /* delete base class */
 169    _mesa_delete_program( ctx, prog );
 170 }
 171
 172
 173 static GLboolean st_is_program_native( GLcontext *ctx,
 174                                        GLenum target,
 175                                        struct gl_program *prog )
 176 {
 177    return GL_TRUE;
 178 }
 179
 180
 181 static void st_program_string_notify( GLcontext *ctx,
 182                                       GLenum target,
 183                                       struct gl_program *prog )
 184 {
 185    struct st_context *st = st_context(ctx);
 186
 187    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 188       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 189
 190       stfp->serialNo++;
 191
 192       if (stfp->driver_shader) {
 193          cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 194          stfp->driver_shader = NULL;
 195       }
 196
 197       if (stfp->state.tokens) {
 198          st_free_tokens(stfp->state.tokens);
 199          stfp->state.tokens = NULL;
 200       }
 201
 202       if (st->fp == stfp)
 203          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 204    }
 205    else if (target == GL_VERTEX_PROGRAM_ARB) {
 206       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 207
 208       stvp->serialNo++;
 209
 210       st_vp_release_varients( st, stvp );
 211
 212       if (st->vp == stvp)
 213          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 214    }
 215 }
 216
 217
 218
 219 void st_init_program_functions(struct dd_function_table *functions)
 220 {
 221    functions->BindProgram = st_bind_program;
 222    functions->UseProgram = st_use_program;
 223    functions->NewProgram = st_new_program;
 224    functions->DeleteProgram = st_delete_program;
 225    functions->IsProgramNative = st_is_program_native;
 226    functions->ProgramStringNotify = st_program_string_notify;
 227 }