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_mesa_to_tgsi.h"
  49 #include "st_cb_program.h"
  50
  51
  52 static GLuint SerialNo = 1;
  53
  54
  55 /**
  56  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  57  * fragment program.
  58  */
  59 static void st_bind_program( GLcontext *ctx,
  60                              GLenum target,
  61                              struct gl_program *prog )
  62 {
  63    struct st_context *st = st_context(ctx);
  64
  65    switch (target) {
  66    case GL_VERTEX_PROGRAM_ARB:
  67       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  68       break;
  69    case GL_FRAGMENT_PROGRAM_ARB:
  70       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  71       break;
  72    }
  73 }
  74
  75
  76 /**
  77  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  78  * (vertex shader + fragment shader).
  79  */
  80 static void st_use_program( GLcontext *ctx,
  81                             GLuint program )
  82 {
  83    struct st_context *st = st_context(ctx);
  84
  85    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  86    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  87
  88    _mesa_use_program(ctx, program);
  89 }
  90
  91
  92
  93 /**
  94  * Called via ctx->Driver.NewProgram() to allocate a new vertex or
  95  * fragment program.
  96  */
  97 static struct gl_program *st_new_program( GLcontext *ctx,
  98                                           GLenum target,
  99                                           GLuint id )
 100 {
 101    switch (target) {
 102    case GL_VERTEX_PROGRAM_ARB: {
 103       struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program);
 104
 105       prog->serialNo = SerialNo++;
 106
 107       return _mesa_init_vertex_program( ctx,
 108                                         &prog->Base,
 109                                         target,
 110                                         id );
 111    }
 112
 113    case GL_FRAGMENT_PROGRAM_ARB:
 114    case GL_FRAGMENT_PROGRAM_NV: {
 115       struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program);
 116
 117       prog->serialNo = SerialNo++;
 118
 119       return _mesa_init_fragment_program( ctx,
 120                                           &prog->Base,
 121                                           target,
 122                                           id );
 123    }
 124
 125    default:
 126       assert(0);
 127       return NULL;
 128    }
 129 }
 130
 131
 132 void
 133 st_delete_program(GLcontext *ctx, struct gl_program *prog)
 134 {
 135    struct st_context *st = st_context(ctx);
 136
 137    switch( prog->Target ) {
 138    case GL_VERTEX_PROGRAM_ARB:
 139       {
 140          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 141          st_vp_release_varients( st, stvp );
 142       }
 143       break;
 144    case GL_FRAGMENT_PROGRAM_ARB:
 145       {
 146          struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 147
 148          if (stfp->driver_shader) {
 149             cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 150             stfp->driver_shader = NULL;
 151          }
 152
 153          if (stfp->state.tokens) {
 154             st_free_tokens(stfp->state.tokens);
 155             stfp->state.tokens = NULL;
 156          }
 157
 158          if (stfp->bitmap_program) {
 159             struct gl_program *prg = &stfp->bitmap_program->Base.Base;
 160             _mesa_reference_program(ctx, &prg, NULL);
 161             stfp->bitmap_program = NULL;
 162          }
 163       }
 164       break;
 165    default:
 166       assert(0); /* problem */
 167    }
 168
 169    /* delete base class */
 170    _mesa_delete_program( ctx, prog );
 171 }
 172
 173
 174 static GLboolean st_is_program_native( GLcontext *ctx,
 175                                        GLenum target,
 176                                        struct gl_program *prog )
 177 {
 178    return GL_TRUE;
 179 }
 180
 181
 182 static void st_program_string_notify( GLcontext *ctx,
 183                                       GLenum target,
 184                                       struct gl_program *prog )
 185 {
 186    struct st_context *st = st_context(ctx);
 187
 188    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 189       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 190
 191       stfp->serialNo++;
 192
 193       if (stfp->driver_shader) {
 194          cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 195          stfp->driver_shader = NULL;
 196       }
 197
 198       if (stfp->state.tokens) {
 199          st_free_tokens(stfp->state.tokens);
 200          stfp->state.tokens = NULL;
 201       }
 202
 203       if (st->fp == stfp)
 204          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 205    }
 206    else if (target == GL_VERTEX_PROGRAM_ARB) {
 207       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 208
 209       stvp->serialNo++;
 210
 211       st_vp_release_varients( st, stvp );
 212
 213       if (st->vp == stvp)
 214          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 215    }
 216 }
 217
 218
 219
 220 void st_init_program_functions(struct dd_function_table *functions)
 221 {
 222    functions->BindProgram = st_bind_program;
 223    functions->UseProgram = st_use_program;
 224    functions->NewProgram = st_new_program;
 225    functions->DeleteProgram = st_delete_program;
 226    functions->IsProgramNative = st_is_program_native;
 227    functions->ProgramStringNotify = st_program_string_notify;
 228 }