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_texture.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 "draw/draw_gs.h"
  39 #include "tgsi/tgsi_dump.h"
  40 #include "tgsi/tgsi_exec.h"
  41 #include "tgsi/tgsi_scan.h"
  42 #include "tgsi/tgsi_parse.h"
  43
  44
  45 void *
  46 softpipe_create_fs_state(struct pipe_context *pipe,
  47                          const struct pipe_shader_state *templ)
  48 {
  49    struct softpipe_context *softpipe = softpipe_context(pipe);
  50    struct sp_fragment_shader *state;
  51    unsigned i;
  52
  53    /* debug */
  54    if (softpipe->dump_fs)
  55       tgsi_dump(templ->tokens, 0);
  56
  57    /* codegen */
  58    state = softpipe_create_fs_sse( softpipe, templ );
  59    if (!state) {
  60       state = softpipe_create_fs_exec( softpipe, templ );
  61    }
  62
  63    assert(state);
  64
  65    /* get/save the summary info for this shader */
  66    tgsi_scan_shader(templ->tokens, &state->info);
  67
  68    for (i = 0; i < state->info.num_properties; ++i) {
  69       if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_ORIGIN)
  70          state->origin_lower_left = state->info.properties[i].data[0];
  71       else if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_PIXEL_CENTER)
  72          state->pixel_center_integer = state->info.properties[i].data[0];
  73    }
  74
  75    return state;
  76 }
  77
  78
  79 void
  80 softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
  81 {
  82    struct softpipe_context *softpipe = softpipe_context(pipe);
  83
  84    draw_flush(softpipe->draw);
  85
  86    if (softpipe->fs == fs)
  87       return;
  88
  89    draw_flush(softpipe->draw);
  90
  91    softpipe->fs = fs;
  92
  93    softpipe->dirty |= SP_NEW_FS;
  94 }
  95
  96
  97 void
  98 softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
  99 {
 100    struct softpipe_context *softpipe = softpipe_context(pipe);
 101    struct sp_fragment_shader *state = fs;
 102
 103    assert(fs != softpipe_context(pipe)->fs);
 104
 105    if (softpipe->fs_machine->Tokens == state->shader.tokens) {
 106       /* unbind the shader from the tgsi executor if we're
 107        * deleting it.
 108        */
 109       tgsi_exec_machine_bind_shader(softpipe->fs_machine, NULL, 0, NULL);
 110    }
 111
 112    state->delete( state );
 113 }
 114
 115
 116 void *
 117 softpipe_create_vs_state(struct pipe_context *pipe,
 118                          const struct pipe_shader_state *templ)
 119 {
 120    struct softpipe_context *softpipe = softpipe_context(pipe);
 121    struct sp_vertex_shader *state;
 122
 123    state = CALLOC_STRUCT(sp_vertex_shader);
 124    if (state == NULL )
 125       goto fail;
 126
 127    /* copy shader tokens, the ones passed in will go away.
 128     */
 129    state->shader.tokens = tgsi_dup_tokens(templ->tokens);
 130    if (state->shader.tokens == NULL)
 131       goto fail;
 132
 133    state->draw_data = draw_create_vertex_shader(softpipe->draw, templ);
 134    if (state->draw_data == NULL)
 135       goto fail;
 136
 137    state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER];
 138
 139    return state;
 140
 141 fail:
 142    if (state) {
 143       FREE( (void *)state->shader.tokens );
 144       FREE( state->draw_data );
 145       FREE( state );
 146    }
 147    return NULL;
 148 }
 149
 150
 151 void
 152 softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
 153 {
 154    struct softpipe_context *softpipe = softpipe_context(pipe);
 155
 156    softpipe->vs = (struct sp_vertex_shader *) vs;
 157
 158    draw_bind_vertex_shader(softpipe->draw,
 159                            (softpipe->vs ? softpipe->vs->draw_data : NULL));
 160
 161    softpipe->dirty |= SP_NEW_VS;
 162 }
 163
 164
 165 void
 166 softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
 167 {
 168    struct softpipe_context *softpipe = softpipe_context(pipe);
 169
 170    struct sp_vertex_shader *state = (struct sp_vertex_shader *) vs;
 171
 172    draw_delete_vertex_shader(softpipe->draw, state->draw_data);
 173    FREE( (void *)state->shader.tokens );
 174    FREE( state );
 175 }
 176
 177 void
 178 softpipe_set_constant_buffer(struct pipe_context *pipe,
 179                              uint shader, uint index,
 180                              struct pipe_resource *constants)
 181 {
 182    struct softpipe_context *softpipe = softpipe_context(pipe);
 183    unsigned size = constants ? constants->width0 : 0;
 184    const void *data = constants ? softpipe_resource(constants)->data : NULL;
 185
 186    assert(shader < PIPE_SHADER_TYPES);
 187
 188    draw_flush(softpipe->draw);
 189
 190    /* note: reference counting */
 191    pipe_resource_reference(&softpipe->constants[shader][index], constants);
 192
 193    if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
 194       draw_set_mapped_constant_buffer(softpipe->draw, shader, index, data, size);
 195    }
 196
 197    softpipe->mapped_constants[shader][index] = data;
 198    softpipe->const_buffer_size[shader][index] = size;
 199
 200    softpipe->dirty |= SP_NEW_CONSTANTS;
 201 }
 202
 203
 204 void *
 205 softpipe_create_gs_state(struct pipe_context *pipe,
 206                          const struct pipe_shader_state *templ)
 207 {
 208    struct softpipe_context *softpipe = softpipe_context(pipe);
 209    struct sp_geometry_shader *state;
 210
 211    state = CALLOC_STRUCT(sp_geometry_shader);
 212    if (state == NULL )
 213       goto fail;
 214
 215    /* debug */
 216    if (softpipe->dump_gs)
 217       tgsi_dump(templ->tokens, 0);
 218
 219    /* copy shader tokens, the ones passed in will go away.
 220     */
 221    state->shader.tokens = tgsi_dup_tokens(templ->tokens);
 222    if (state->shader.tokens == NULL)
 223       goto fail;
 224
 225    state->draw_data = draw_create_geometry_shader(softpipe->draw, templ);
 226    if (state->draw_data == NULL)
 227       goto fail;
 228
 229    state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER];
 230
 231    return state;
 232
 233 fail:
 234    if (state) {
 235       FREE( (void *)state->shader.tokens );
 236       FREE( state->draw_data );
 237       FREE( state );
 238    }
 239    return NULL;
 240 }
 241
 242
 243 void
 244 softpipe_bind_gs_state(struct pipe_context *pipe, void *gs)
 245 {
 246    struct softpipe_context *softpipe = softpipe_context(pipe);
 247
 248    softpipe->gs = (struct sp_geometry_shader *)gs;
 249
 250    draw_bind_geometry_shader(softpipe->draw,
 251                              (softpipe->gs ? softpipe->gs->draw_data : NULL));
 252
 253    softpipe->dirty |= SP_NEW_GS;
 254 }
 255
 256
 257 void
 258 softpipe_delete_gs_state(struct pipe_context *pipe, void *gs)
 259 {
 260    struct softpipe_context *softpipe = softpipe_context(pipe);
 261
 262    struct sp_geometry_shader *state =
 263       (struct sp_geometry_shader *)gs;
 264
 265    draw_delete_geometry_shader(softpipe->draw,
 266                                (state) ? state->draw_data : 0);
 267    FREE(state);
 268 }