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