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/programopt.h"
  40 #include "shader/shader_api.h"
  41
  42 #include "cso_cache/cso_context.h"
  43 #include "draw/draw_context.h"
  44
  45 #include "st_context.h"
  46 #include "st_program.h"
  47 #include "st_atom_shader.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 = 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 = 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
 141          if (stvp->driver_shader) {
 142             cso_delete_vertex_shader(st->cso_context, stvp->driver_shader);
 143             stvp->driver_shader = NULL;
 144          }
 145
 146          if (stvp->draw_shader) {
 147             /* this would only have been allocated for the RasterPos path */
 148             draw_delete_vertex_shader(st->draw, stvp->draw_shader);
 149             stvp->draw_shader = NULL;
 150          }
 151
 152          if (stvp->state.tokens) {
 153             FREE((void *) stvp->state.tokens);
 154             stvp->state.tokens = NULL;
 155          }
 156       }
 157       break;
 158    case GL_FRAGMENT_PROGRAM_ARB:
 159       {
 160          struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 161
 162          if (stfp->driver_shader) {
 163             cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 164             stfp->driver_shader = NULL;
 165          }
 166
 167          if (stfp->state.tokens) {
 168             FREE((void *) stfp->state.tokens);
 169             stfp->state.tokens = NULL;
 170          }
 171
 172          if (stfp->bitmap_program) {
 173             struct gl_program *prg = &stfp->bitmap_program->Base.Base;
 174             _mesa_reference_program(ctx, &prg, NULL);
 175             stfp->bitmap_program = NULL;
 176          }
 177
 178          st_free_translated_vertex_programs(st, stfp->vertex_programs);
 179       }
 180       break;
 181    default:
 182       assert(0); /* problem */
 183    }
 184
 185    /* delete base class */
 186    _mesa_delete_program( ctx, prog );
 187 }
 188
 189
 190 static GLboolean st_is_program_native( GLcontext *ctx,
 191                                        GLenum target,
 192                                        struct gl_program *prog )
 193 {
 194    return GL_TRUE;
 195 }
 196
 197
 198 static void st_program_string_notify( GLcontext *ctx,
 199                                       GLenum target,
 200                                       struct gl_program *prog )
 201 {
 202    struct st_context *st = st_context(ctx);
 203
 204    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 205       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 206
 207       stfp->serialNo++;
 208
 209       if (stfp->driver_shader) {
 210          cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 211          stfp->driver_shader = NULL;
 212       }
 213
 214       if (stfp->state.tokens) {
 215          FREE((void *) stfp->state.tokens);
 216          stfp->state.tokens = NULL;
 217       }
 218
 219       stfp->param_state = stfp->Base.Base.Parameters->StateFlags;
 220
 221       if (st->fp == stfp)
 222          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 223    }
 224    else if (target == GL_VERTEX_PROGRAM_ARB) {
 225       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 226
 227       stvp->serialNo++;
 228
 229       if (stvp->driver_shader) {
 230          cso_delete_vertex_shader(st->cso_context, stvp->driver_shader);
 231          stvp->driver_shader = NULL;
 232       }
 233
 234       if (stvp->draw_shader) {
 235          /* this would only have been allocated for the RasterPos path */
 236          draw_delete_vertex_shader(st->draw, stvp->draw_shader);
 237          stvp->draw_shader = NULL;
 238       }
 239
 240       if (stvp->state.tokens) {
 241          FREE((void *) stvp->state.tokens);
 242          stvp->state.tokens = NULL;
 243       }
 244
 245       stvp->param_state = stvp->Base.Base.Parameters->StateFlags;
 246
 247       if (st->vp == stvp)
 248          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 249    }
 250 }
 251
 252
 253
 254 void st_init_program_functions(struct dd_function_table *functions)
 255 {
 256    functions->BindProgram = st_bind_program;
 257    functions->UseProgram = st_use_program;
 258    functions->NewProgram = st_new_program;
 259    functions->DeleteProgram = st_delete_program;
 260    functions->IsProgramNative = st_is_program_native;
 261    functions->ProgramStringNotify = st_program_string_notify;
 262 }