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
 142          if (stvp->driver_shader) {
 143             cso_delete_vertex_shader(st->cso_context, stvp->driver_shader);
 144             stvp->driver_shader = NULL;
 145          }
 146
 147          if (stvp->draw_shader) {
 148 #if FEATURE_feedback || FEATURE_drawpix
 149             /* this would only have been allocated for the RasterPos path */
 150             draw_delete_vertex_shader(st->draw, stvp->draw_shader);
 151             stvp->draw_shader = NULL;
 152 #endif
 153          }
 154
 155          if (stvp->state.tokens) {
 156             st_free_tokens(stvp->state.tokens);
 157             stvp->state.tokens = NULL;
 158          }
 159       }
 160       break;
 161    case GL_FRAGMENT_PROGRAM_ARB:
 162       {
 163          struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 164
 165          if (stfp->driver_shader) {
 166             cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 167             stfp->driver_shader = NULL;
 168          }
 169
 170          if (stfp->state.tokens) {
 171             st_free_tokens(stfp->state.tokens);
 172             stfp->state.tokens = NULL;
 173          }
 174
 175          if (stfp->bitmap_program) {
 176             struct gl_program *prg = &stfp->bitmap_program->Base.Base;
 177             _mesa_reference_program(ctx, &prg, NULL);
 178             stfp->bitmap_program = NULL;
 179          }
 180
 181          st_free_translated_vertex_programs(st, stfp->vertex_programs);
 182       }
 183       break;
 184    default:
 185       assert(0); /* problem */
 186    }
 187
 188    /* delete base class */
 189    _mesa_delete_program( ctx, prog );
 190 }
 191
 192
 193 static GLboolean st_is_program_native( GLcontext *ctx,
 194                                        GLenum target,
 195                                        struct gl_program *prog )
 196 {
 197    return GL_TRUE;
 198 }
 199
 200
 201 static void st_program_string_notify( GLcontext *ctx,
 202                                       GLenum target,
 203                                       struct gl_program *prog )
 204 {
 205    struct st_context *st = st_context(ctx);
 206
 207    if (target == GL_FRAGMENT_PROGRAM_ARB) {
 208       struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
 209
 210       stfp->serialNo++;
 211
 212       if (stfp->driver_shader) {
 213          cso_delete_fragment_shader(st->cso_context, stfp->driver_shader);
 214          stfp->driver_shader = NULL;
 215       }
 216
 217       if (stfp->state.tokens) {
 218          st_free_tokens(stfp->state.tokens);
 219          stfp->state.tokens = NULL;
 220       }
 221
 222       stfp->param_state = stfp->Base.Base.Parameters->StateFlags;
 223
 224       if (st->fp == stfp)
 225          st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM;
 226    }
 227    else if (target == GL_VERTEX_PROGRAM_ARB) {
 228       struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
 229
 230       stvp->serialNo++;
 231
 232       if (stvp->driver_shader) {
 233          cso_delete_vertex_shader(st->cso_context, stvp->driver_shader);
 234          stvp->driver_shader = NULL;
 235       }
 236
 237       if (stvp->draw_shader) {
 238 #if FEATURE_feedback || FEATURE_drawpix
 239          /* this would only have been allocated for the RasterPos path */
 240          draw_delete_vertex_shader(st->draw, stvp->draw_shader);
 241          stvp->draw_shader = NULL;
 242 #endif
 243       }
 244
 245       if (stvp->state.tokens) {
 246          st_free_tokens(stvp->state.tokens);
 247          stvp->state.tokens = NULL;
 248       }
 249
 250       stvp->param_state = stvp->Base.Base.Parameters->StateFlags;
 251
 252       if (st->vp == stvp)
 253          st->dirty.st |= ST_NEW_VERTEX_PROGRAM;
 254    }
 255 }
 256
 257
 258
 259 void st_init_program_functions(struct dd_function_table *functions)
 260 {
 261    functions->BindProgram = st_bind_program;
 262    functions->UseProgram = st_use_program;
 263    functions->NewProgram = st_new_program;
 264    functions->DeleteProgram = st_delete_program;
 265    functions->IsProgramNative = st_is_program_native;
 266    functions->ProgramStringNotify = st_program_string_notify;
 267 }