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
  47 static GLuint SerialNo = 1;
  48
  49
  50 /**
  51  * Called via ctx->Driver.BindProgram() to bind an ARB vertex or
  52  * fragment program.
  53  */
  54 static void st_bind_program( GLcontext *ctx,
  55                              GLenum target,
  56                              struct gl_program *prog )
  57 {
  58    struct st_context *st = st_context(ctx);
  59
  60    switch (target) {
  61    case GL_VERTEX_PROGRAM_ARB:
  62       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  63       break;
  64    case GL_FRAGMENT_PROGRAM_ARB:
  65       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  66       break;
  67    }
  68 }
  69
  70
  71 /**
  72  * Called via ctx->Driver.UseProgram() to bind a linked GLSL program
  73  * (vertex shader + fragment shader).
  74  */
  75 static void st_use_program( GLcontext *ctx,
  76                             GLuint program )
  77 {
  78    struct st_context *st = st_context(ctx);
  79
  80    st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  81    st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  82
  83    _mesa_use_program(ctx, program);
  84 }
  85
  86
  87
  88 static struct gl_program *st_new_program( GLcontext *ctx,
  89                                           GLenum target,
  90                                           GLuint id )
  91 {
  92    switch (target) {
  93    case GL_VERTEX_PROGRAM_ARB: {
  94       struct st_vertex_program *prog = CALLOC_STRUCT(st_vertex_program);
  95
  96       prog->serialNo = SerialNo++;
  97
  98       return _mesa_init_vertex_program( ctx,
  99                                         &prog->Base,
 100                                         target,
 101                                         id );
 102    }
 103
 104    case GL_FRAGMENT_PROGRAM_ARB:
 105    case GL_FRAGMENT_PROGRAM_NV: {
 106       struct st_fragment_program *prog = CALLOC_STRUCT(st_fragment_program);
 107
 108       prog->serialNo = SerialNo++;
 109
 110       return _mesa_init_fragment_program( ctx,
 111                                           &prog->Base,
 112                                           target,
 113                                           id );
 114    }
 115
 116    default:
 117       return _mesa_new_program(ctx, target, id);
 118    }
 119 }
 120
 121
 122 static void st_delete_program( GLcontext *ctx,
 123                                struct gl_program *prog )
 124 {
 125    struct st_context *st = st_context(ctx);
 126
 127    switch( prog->Target ) {
 128    case GL_VERTEX_PROGRAM_ARB:
 129       {
 130          struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 131          st_remove_vertex_program(st, stvp);
 132       }
 133       break;
 134    case GL_FRAGMENT_PROGRAM_ARB:
 135       {
 136          struct st_fragment_program *stfp
 137             = (struct st_fragment_program *) prog;
 138          st_remove_fragment_program(st, stfp);
 139       }
 140       break;
 141    default:
 142       assert(0); /* problem */
 143    }
 144
 145    _mesa_delete_program( ctx, prog );
 146 }
 147
 148
 149 static GLboolean st_is_program_native( GLcontext *ctx,
 150                                        GLenum target,
 151                                        struct gl_program *prog )
 152 {
 153    return GL_TRUE;
 154 }
 155
 156
 157 static void st_program_string_notify( GLcontext *ctx,
 158                                       GLenum target,
 159                                       struct gl_program *prog )
 160 {
 161    struct st_context *st = st_context(ctx);
 162
 163    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 164       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 165
 166       stfp->serialNo++;
 167
 168       if (stfp->fs) {
 169          /* free the TGSI code */
 170          // cso_delete(stfp->vs);
 171          stfp->fs = NULL;
 172       }
 173
 174       stfp->param_state = stfp->Base.Base.Parameters->StateFlags;
 175
 176       if (st->fp == stfp)
 177          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 178    }
 179    else if (target == GL_VERTEX_PROGRAM_ARB) {
 180       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 181
 182       stvp->serialNo++;
 183
 184       if (stvp->vs) {
 185          /* free the TGSI code */
 186          // cso_delete(stfp->vs);
 187          stvp->vs = NULL;
 188       }
 189
 190       stvp->param_state = stvp->Base.Base.Parameters->StateFlags;
 191
 192       if (st->vp == stvp)
 193          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 194
 195    }
 196 }
 197
 198
 199
 200 void st_init_program_functions(struct dd_function_table *functions)
 201 {
 202    functions->BindProgram = st_bind_program;
 203    functions->UseProgram = st_use_program;
 204    functions->NewProgram = st_new_program;
 205    functions->DeleteProgram = st_delete_program;
 206    functions->IsProgramNative = st_is_program_native;
 207    functions->ProgramStringNotify = st_program_string_notify;
 208 }