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