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 "st_context.h"
  34 #include "st_program.h"
  35
  36 #include "glheader.h"
  37 #include "macros.h"
  38 #include "enums.h"
  39 #include "prog_instruction.h"
  40 #include "prog_parameter.h"
  41 #include "program.h"
  42 #include "programopt.h"
  43 #include "tnl/tnl.h"
  44 #include "pipe/tgsi/mesa/tgsi_mesa.h"
  45
  46
  47 static void st_bind_program( GLcontext *ctx,
  48                              GLenum target,
  49                              struct gl_program *prog )
  50 {
  51    struct st_context *st = st_context(ctx);
  52
  53    switch (target) {
  54    case GL_VERTEX_PROGRAM_ARB:
  55       st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
  56       break;
  57    case GL_FRAGMENT_PROGRAM_ARB:
  58       st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
  59       break;
  60    }
  61 }
  62
  63 static struct gl_program *st_new_program( GLcontext *ctx,
  64                                           GLenum target,
  65                                           GLuint id )
  66 {
  67    struct st_context *st = st_context(ctx);
  68
  69    switch (target) {
  70    case GL_VERTEX_PROGRAM_ARB: {
  71       struct st_vertex_program *prog = CALLOC_STRUCT(st_vertex_program);
  72
  73       prog->id = st->program_id++;
  74       prog->dirty = 1;
  75
  76       return _mesa_init_vertex_program( ctx,
  77                                         &prog->Base,
  78                                         target,
  79                                         id );
  80    }
  81
  82    case GL_FRAGMENT_PROGRAM_ARB:
  83    case GL_FRAGMENT_PROGRAM_NV:
  84    {
  85       struct st_fragment_program *prog = CALLOC_STRUCT(st_fragment_program);
  86
  87       prog->id = st->program_id++;
  88       prog->dirty = 1;
  89
  90       return _mesa_init_fragment_program( ctx,
  91                                           &prog->Base,
  92                                           target,
  93                                           id );
  94    }
  95
  96    default:
  97       return _mesa_new_program(ctx, target, id);
  98    }
  99 }
 100
 101 static void st_delete_program( GLcontext *ctx,
 102                                struct gl_program *prog )
 103 {
 104    _mesa_delete_program( ctx, prog );
 105 }
 106
 107
 108 static GLboolean st_is_program_native( GLcontext *ctx,
 109                                        GLenum target,
 110                                        struct gl_program *prog )
 111 {
 112    return GL_TRUE;
 113 }
 114
 115 static void st_program_string_notify( GLcontext *ctx,
 116                                       GLenum target,
 117                                       struct gl_program *prog )
 118 {
 119    struct st_context *st = st_context(ctx);
 120
 121    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 122       struct st_fragment_program *p = (struct st_fragment_program *)prog;
 123
 124       if (prog == &ctx->FragmentProgram._Current->Base)
 125          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 126
 127       p->id = st->program_id++;
 128       p->param_state = p->Base.Base.Parameters->StateFlags;
 129    }
 130    else if (target == GL_VERTEX_PROGRAM_ARB) {
 131       struct st_vertex_program *p = (struct st_vertex_program *)prog;
 132
 133       if (prog == &ctx->VertexProgram._Current->Base)
 134          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 135
 136       p->id = st->program_id++;
 137       p->param_state = p->Base.Base.Parameters->StateFlags;
 138
 139       /* Also tell tnl about it:
 140        */
 141       _tnl_program_string(ctx, target, prog);
 142    }
 143 }
 144
 145
 146
 147 void st_init_cb_program( struct st_context *st )
 148 {
 149    struct dd_function_table *functions = &st->ctx->Driver;
 150
 151    /* Need these flags:
 152     */
 153    st->ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
 154    st->ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE;
 155
 156    assert(functions->ProgramStringNotify == _tnl_program_string);
 157    functions->BindProgram = st_bind_program;
 158    functions->NewProgram = st_new_program;
 159    functions->DeleteProgram = st_delete_program;
 160    functions->IsProgramNative = st_is_program_native;
 161    functions->ProgramStringNotify = st_program_string_notify;
 162 }
 163
 164
 165 void st_destroy_cb_program( struct st_context *st )
 166 {
 167 }
 168