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