src/gallium/drivers/softpipe/sp_state_fs.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 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 #include "sp_context.h"
  29 #include "sp_state.h"
  30 #include "sp_fs.h"
  31 #include "sp_buffer.h"
  32
  33 #include "pipe/p_defines.h"
  34 #include "util/u_memory.h"
  35 #include "util/u_inlines.h"
  36 #include "draw/draw_context.h"
  37 #include "draw/draw_vs.h"
  38 #include "tgsi/tgsi_dump.h"
  39 #include "tgsi/tgsi_scan.h"
  40 #include "tgsi/tgsi_parse.h"
  41
  42
  43 void *
  44 softpipe_create_fs_state(struct pipe_context *pipe,
  45                          const struct pipe_shader_state *templ)
  46 {
  47    struct softpipe_context *softpipe = softpipe_context(pipe);
  48    struct sp_fragment_shader *state;
  49    unsigned i;
  50
  51    /* debug */
  52    if (softpipe->dump_fs)
  53       tgsi_dump(templ->tokens, 0);
  54
  55    /* codegen */
  56    state = softpipe_create_fs_sse( softpipe, templ );
  57    if (!state) {
  58       state = softpipe_create_fs_exec( softpipe, templ );
  59    }
  60
  61    assert(state);
  62
  63    /* get/save the summary info for this shader */
  64    tgsi_scan_shader(templ->tokens, &state->info);
  65
  66    for (i = 0; i < state->info.num_properties; ++i) {
  67       if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_ORIGIN)
  68          state->origin_lower_left = state->info.properties[i].data[0];
  69       else if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_PIXEL_CENTER)
  70          state->pixel_center_integer = state->info.properties[i].data[0];
  71    }
  72
  73    return state;
  74 }
  75
  76
  77 void
  78 softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
  79 {
  80    struct softpipe_context *softpipe = softpipe_context(pipe);
  81
  82    draw_flush(softpipe->draw);
  83
  84    if (softpipe->fs == fs)
  85       return;
  86
  87    draw_flush(softpipe->draw);
  88
  89    softpipe->fs = fs;
  90
  91    softpipe->dirty |= SP_NEW_FS;
  92 }
  93
  94
  95 void
  96 softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
  97 {
  98    struct sp_fragment_shader *state = fs;
  99
 100    assert(fs != softpipe_context(pipe)->fs);
 101
 102    state->delete( state );
 103 }
 104
 105
 106 void *
 107 softpipe_create_vs_state(struct pipe_context *pipe,
 108                          const struct pipe_shader_state *templ)
 109 {
 110    struct softpipe_context *softpipe = softpipe_context(pipe);
 111    struct sp_vertex_shader *state;
 112
 113    state = CALLOC_STRUCT(sp_vertex_shader);
 114    if (state == NULL )
 115       goto fail;
 116
 117    /* copy shader tokens, the ones passed in will go away.
 118     */
 119    state->shader.tokens = tgsi_dup_tokens(templ->tokens);
 120    if (state->shader.tokens == NULL)
 121       goto fail;
 122
 123    state->draw_data = draw_create_vertex_shader(softpipe->draw, templ);
 124    if (state->draw_data == NULL)
 125       goto fail;
 126
 127    state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER];
 128
 129    return state;
 130
 131 fail:
 132    if (state) {
 133       FREE( (void *)state->shader.tokens );
 134       FREE( state->draw_data );
 135       FREE( state );
 136    }
 137    return NULL;
 138 }
 139
 140
 141 void
 142 softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
 143 {
 144    struct softpipe_context *softpipe = softpipe_context(pipe);
 145
 146    softpipe->vs = (struct sp_vertex_shader *) vs;
 147
 148    draw_bind_vertex_shader(softpipe->draw,
 149                            (softpipe->vs ? softpipe->vs->draw_data : NULL));
 150
 151    softpipe->dirty |= SP_NEW_VS;
 152 }
 153
 154
 155 void
 156 softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
 157 {
 158    struct softpipe_context *softpipe = softpipe_context(pipe);
 159
 160    struct sp_vertex_shader *state = (struct sp_vertex_shader *) vs;
 161
 162    draw_delete_vertex_shader(softpipe->draw, state->draw_data);
 163    FREE( (void *)state->shader.tokens );
 164    FREE( state );
 165 }
 166
 167 void
 168 softpipe_set_constant_buffer(struct pipe_context *pipe,
 169                              uint shader, uint index,
 170                              struct pipe_buffer *constants)
 171 {
 172    struct softpipe_context *softpipe = softpipe_context(pipe);
 173    unsigned size = constants ? constants->size : 0;
 174    const void *data = constants ? softpipe_buffer(constants)->data : NULL;
 175
 176    assert(shader < PIPE_SHADER_TYPES);
 177    assert(index == 0);
 178
 179    if(softpipe->constants[shader][index] == constants)
 180       return;
 181
 182    draw_flush(softpipe->draw);
 183
 184    /* note: reference counting */
 185    pipe_buffer_reference(&softpipe->constants[shader][index], constants);
 186
 187    if(shader == PIPE_SHADER_VERTEX) {
 188       draw_set_mapped_constant_buffer(softpipe->draw, PIPE_SHADER_VERTEX, 0,
 189                                       data, size);
 190    }
 191
 192    softpipe->dirty |= SP_NEW_CONSTANTS;
 193 }
 194
 195
 196 void *
 197 softpipe_create_gs_state(struct pipe_context *pipe,
 198                          const struct pipe_shader_state *templ)
 199 {
 200    struct softpipe_context *softpipe = softpipe_context(pipe);
 201    struct sp_geometry_shader *state;
 202
 203    state = CALLOC_STRUCT(sp_geometry_shader);
 204    if (state == NULL )
 205       goto fail;
 206
 207    /* debug */
 208    if (softpipe->dump_gs)
 209       tgsi_dump(templ->tokens, 0);
 210
 211    /* copy shader tokens, the ones passed in will go away.
 212     */
 213    state->shader.tokens = tgsi_dup_tokens(templ->tokens);
 214    if (state->shader.tokens == NULL)
 215       goto fail;
 216
 217    state->draw_data = draw_create_geometry_shader(softpipe->draw, templ);
 218    if (state->draw_data == NULL)
 219       goto fail;
 220
 221    return state;
 222
 223 fail:
 224    if (state) {
 225       FREE( (void *)state->shader.tokens );
 226       FREE( state->draw_data );
 227       FREE( state );
 228    }
 229    return NULL;
 230 }
 231
 232
 233 void
 234 softpipe_bind_gs_state(struct pipe_context *pipe, void *gs)
 235 {
 236    struct softpipe_context *softpipe = softpipe_context(pipe);
 237
 238    softpipe->gs = (struct sp_geometry_shader *)gs;
 239
 240    draw_bind_geometry_shader(softpipe->draw,
 241                              (softpipe->gs ? softpipe->gs->draw_data : NULL));
 242
 243    softpipe->dirty |= SP_NEW_GS;
 244 }
 245
 246
 247 void
 248 softpipe_delete_gs_state(struct pipe_context *pipe, void *gs)
 249 {
 250    struct softpipe_context *softpipe = softpipe_context(pipe);
 251
 252    struct sp_geometry_shader *state =
 253       (struct sp_geometry_shader *)gs;
 254
 255    draw_delete_geometry_shader(softpipe->draw,
 256                                (state) ? state->draw_data : 0);
 257    FREE(state);
 258 }