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 "st_context.h"
  43 #include "st_program.h"
  44 #include "st_atom_shader.h"
  45
  46 #include "pipe/tgsi/mesa/tgsi_mesa.h"
  47
  48
  49 /**
  50  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  51  * fragment program.
  52  */
  53 static void st_bind_program( GLcontext *ctx,
  54                              GLenum target,
  55                              struct gl_program *prog )
  56 {
  57    struct st_context *st = st_context(ctx);
  58
  59    switch (target) {
  60    case GL_VERTEX_PROGRAM_ARB:
  61       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  62       break;
  63    case GL_FRAGMENT_PROGRAM_ARB:
  64       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  65       break;
  66    }
  67 }
  68
  69
  70 /**
  71  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  72  * (vertex shader + fragment shader).
  73  */
  74 static void st_use_program( GLcontext *ctx,
  75                             GLuint program )
  76 {
  77    struct st_context *st = st_context(ctx);
  78
  79    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  80    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  81
  82    _mesa_use_program(ctx, program);
  83 }
  84
  85
  86
  87 static struct gl_program *st_new_program( GLcontext *ctx,
  88                                           GLenum target,
  89                                           GLuint id )
  90 {
  91    switch (target) {
  92    case GL_VERTEX_PROGRAM_ARB: {
  93       struct st_vertex_program *prog = CALLOC_STRUCT(st_vertex_program);
  94
  95       prog->serialNo = 1;
  96
  97       return _mesa_init_vertex_program( ctx,
  98                                         &prog->Base,
  99                                         target,
 100                                         id );
 101    }
 102
 103    case GL_FRAGMENT_PROGRAM_ARB:
 104    case GL_FRAGMENT_PROGRAM_NV: {
 105       struct st_fragment_program *prog = CALLOC_STRUCT(st_fragment_program);
 106
 107       prog->serialNo = 1;
 108
 109       return _mesa_init_fragment_program( ctx,
 110                                           &prog->Base,
 111                                           target,
 112                                           id );
 113    }
 114
 115    default:
 116       return _mesa_new_program(ctx, target, id);
 117    }
 118 }
 119
 120
 121 static void st_delete_program( GLcontext *ctx,
 122                                struct gl_program *prog )
 123 {
 124    struct st_context *st = st_context(ctx);
 125
 126    switch( prog->Target ) {
 127    case GL_VERTEX_PROGRAM_ARB:
 128       {
 129          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 130          st_remove_vertex_program(st, stvp);
 131       }
 132       break;
 133    case GL_FRAGMENT_PROGRAM_ARB:
 134       {
 135          struct st_fragment_program *stfp
 136             = (struct st_fragment_program *) prog;
 137          st_remove_fragment_program(st, stfp);
 138       }
 139       break;
 140    default:
 141       assert(0); /* problem */
 142    }
 143
 144    _mesa_delete_program( ctx, prog );
 145 }
 146
 147
 148 static GLboolean st_is_program_native( GLcontext *ctx,
 149                                        GLenum target,
 150                                        struct gl_program *prog )
 151 {
 152    return GL_TRUE;
 153 }
 154
 155
 156 static void st_program_string_notify( GLcontext *ctx,
 157                                       GLenum target,
 158                                       struct gl_program *prog )
 159 {
 160    struct st_context *st = st_context(ctx);
 161
 162    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 163       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 164
 165       stfp->serialNo++;
 166
 167       if (stfp->fs) {
 168          /* free the TGSI code */
 169          // cso_delete(stfp->vs);
 170          stfp->fs = NULL;
 171       }
 172
 173       stfp->param_state = stfp->Base.Base.Parameters->StateFlags;
 174
 175       if (st->fp == stfp)
 176          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 177    }
 178    else if (target == GL_VERTEX_PROGRAM_ARB) {
 179       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 180
 181       stvp->serialNo++;
 182
 183       if (stvp->vs) {
 184          /* free the TGSI code */
 185          // cso_delete(stfp->vs);
 186          stvp->vs = NULL;
 187       }
 188
 189       stvp->param_state = stvp->Base.Base.Parameters->StateFlags;
 190
 191       if (st->vp == stvp)
 192          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 193
 194    }
 195 }
 196
 197
 198
 199 void st_init_program_functions(struct dd_function_table *functions)
 200 {
 201    functions->BindProgram = st_bind_program;
 202    functions->UseProgram = st_use_program;
 203    functions->NewProgram = st_new_program;
 204    functions->DeleteProgram = st_delete_program;
 205    functions->IsProgramNative = st_is_program_native;
 206    functions->ProgramStringNotify = st_program_string_notify;
 207 }