src/gallium/drivers/r600/r600_state_common.c

   1 /*
   2  * Copyright 2010 Red Hat Inc.
   3  *           2010 Jerome Glisse
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * on the rights to use, copy, modify, merge, publish, distribute, sub
   9  * license, and/or sell copies of the Software, and to permit persons to whom
  10  * the Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  22  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors: Dave Airlie <airlied@redhat.com>
  25  *          Jerome Glisse <jglisse@redhat.com>
  26  */
  27 #include <util/u_memory.h>
  28 #include <util/u_format.h>
  29 #include <pipebuffer/pb_buffer.h>
  30 #include "r600_pipe.h"
  31
  32 /* common state between evergreen and r600 */
  33 void r600_bind_blend_state(struct pipe_context *ctx, void *state)
  34 {
  35         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  36         struct r600_pipe_blend *blend = (struct r600_pipe_blend *)state;
  37         struct r600_pipe_state *rstate;
  38
  39         if (state == NULL)
  40                 return;
  41         rstate = &blend->rstate;
  42         rctx->states[rstate->id] = rstate;
  43         rctx->cb_target_mask = blend->cb_target_mask;
  44         r600_context_pipe_state_set(&rctx->ctx, rstate);
  45 }
  46
  47 void r600_bind_rs_state(struct pipe_context *ctx, void *state)
  48 {
  49         struct r600_pipe_rasterizer *rs = (struct r600_pipe_rasterizer *)state;
  50         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  51
  52         if (state == NULL)
  53                 return;
  54
  55         rctx->flatshade = rs->flatshade;
  56         rctx->sprite_coord_enable = rs->sprite_coord_enable;
  57         rctx->rasterizer = rs;
  58
  59         rctx->states[rs->rstate.id] = &rs->rstate;
  60         r600_context_pipe_state_set(&rctx->ctx, &rs->rstate);
  61
  62         if (rctx->family >= CHIP_CEDAR) {
  63                 evergreen_polygon_offset_update(rctx);
  64         } else {
  65                 r600_polygon_offset_update(rctx);
  66         }
  67 }
  68
  69 void r600_delete_rs_state(struct pipe_context *ctx, void *state)
  70 {
  71         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  72         struct r600_pipe_rasterizer *rs = (struct r600_pipe_rasterizer *)state;
  73
  74         if (rctx->rasterizer == rs) {
  75                 rctx->rasterizer = NULL;
  76         }
  77         if (rctx->states[rs->rstate.id] == &rs->rstate) {
  78                 rctx->states[rs->rstate.id] = NULL;
  79         }
  80         free(rs);
  81 }
  82
  83 void r600_sampler_view_destroy(struct pipe_context *ctx,
  84                                struct pipe_sampler_view *state)
  85 {
  86         struct r600_pipe_sampler_view *resource = (struct r600_pipe_sampler_view *)state;
  87
  88         pipe_resource_reference(&state->texture, NULL);
  89         FREE(resource);
  90 }
  91
  92 void r600_bind_state(struct pipe_context *ctx, void *state)
  93 {
  94         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  95         struct r600_pipe_state *rstate = (struct r600_pipe_state *)state;
  96
  97         if (state == NULL)
  98                 return;
  99         rctx->states[rstate->id] = rstate;
 100         r600_context_pipe_state_set(&rctx->ctx, rstate);
 101 }
 102
 103 void r600_delete_state(struct pipe_context *ctx, void *state)
 104 {
 105         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 106         struct r600_pipe_state *rstate = (struct r600_pipe_state *)state;
 107
 108         if (rctx->states[rstate->id] == rstate) {
 109                 rctx->states[rstate->id] = NULL;
 110         }
 111         for (int i = 0; i < rstate->nregs; i++) {
 112                 r600_bo_reference(rctx->radeon, &rstate->regs[i].bo, NULL);
 113         }
 114         free(rstate);
 115 }
 116
 117 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state)
 118 {
 119         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 120         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 121
 122         /* delete previous translated vertex elements */
 123         if (rctx->tran.new_velems) {
 124                 r600_end_vertex_translate(rctx);
 125         }
 126
 127         rctx->vertex_elements = v;
 128         if (v) {
 129                 rctx->states[v->rstate.id] = &v->rstate;
 130                 r600_context_pipe_state_set(&rctx->ctx, &v->rstate);
 131                 if (rctx->family >= CHIP_CEDAR) {
 132                         evergreen_vertex_buffer_update(rctx);
 133                 } else {
 134                         r600_vertex_buffer_update(rctx);
 135                 }
 136         }
 137
 138         if (v) {
 139 //              rctx->vs_rebuild = TRUE;
 140         }
 141 }
 142
 143 void r600_delete_vertex_element(struct pipe_context *ctx, void *state)
 144 {
 145         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 146         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 147
 148         if (rctx->states[v->rstate.id] == &v->rstate) {
 149                 rctx->states[v->rstate.id] = NULL;
 150         }
 151         if (rctx->vertex_elements == state)
 152                 rctx->vertex_elements = NULL;
 153
 154         r600_bo_reference(rctx->radeon, &v->fetch_shader, NULL);
 155         FREE(state);
 156 }
 157
 158
 159 void r600_set_index_buffer(struct pipe_context *ctx,
 160                            const struct pipe_index_buffer *ib)
 161 {
 162         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 163
 164         if (ib) {
 165                 pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
 166                 memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
 167         } else {
 168                 pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
 169                 memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
 170         }
 171
 172         /* TODO make this more like a state */
 173 }
 174
 175 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 176                              const struct pipe_vertex_buffer *buffers)
 177 {
 178         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 179         struct pipe_vertex_buffer *vbo;
 180         unsigned max_index = (unsigned)-1;
 181
 182         if (rctx->family >= CHIP_CEDAR) {
 183                 for (int i = 0; i < rctx->nvertex_buffer; i++) {
 184                         pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
 185                         evergreen_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
 186                 }
 187         } else {
 188                 for (int i = 0; i < rctx->nvertex_buffer; i++) {
 189                         pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
 190                         r600_context_pipe_state_set_fs_resource(&rctx->ctx, NULL, i);
 191                 }
 192         }
 193         memcpy(rctx->vertex_buffer, buffers, sizeof(struct pipe_vertex_buffer) * count);
 194
 195         for (int i = 0; i < count; i++) {
 196                 vbo = (struct pipe_vertex_buffer*)&buffers[i];
 197
 198                 rctx->vertex_buffer[i].buffer = NULL;
 199                 if (buffers[i].buffer == NULL)
 200                         continue;
 201                 if (r600_buffer_is_user_buffer(buffers[i].buffer))
 202                         rctx->any_user_vbs = TRUE;
 203                 pipe_resource_reference(&rctx->vertex_buffer[i].buffer, buffers[i].buffer);
 204
 205                 /* The stride of zero means we will be fetching only the first
 206                  * vertex, so don't care about max_index. */
 207                 if (!vbo->stride)
 208                         continue;
 209
 210                 if (vbo->max_index == ~0) {
 211                         vbo->max_index = (vbo->buffer->width0 - vbo->buffer_offset) / vbo->stride;
 212                 }
 213                 max_index = MIN2(vbo->max_index, max_index);
 214         }
 215         rctx->nvertex_buffer = count;
 216         rctx->vb_max_index = max_index;
 217         if (rctx->family >= CHIP_CEDAR) {
 218                 evergreen_vertex_buffer_update(rctx);
 219         } else {
 220                 r600_vertex_buffer_update(rctx);
 221         }
 222 }
 223
 224
 225 #define FORMAT_REPLACE(what, withwhat) \
 226         case PIPE_FORMAT_##what: *format = PIPE_FORMAT_##withwhat; break
 227
 228 void *r600_create_vertex_elements(struct pipe_context *ctx,
 229                                   unsigned count,
 230                                   const struct pipe_vertex_element *elements)
 231 {
 232         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 233         struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
 234         enum pipe_format *format;
 235         int i;
 236
 237         assert(count < 32);
 238         if (!v)
 239                 return NULL;
 240
 241         v->count = count;
 242         memcpy(v->elements, elements, count * sizeof(struct pipe_vertex_element));
 243
 244         for (i = 0; i < count; i++) {
 245                 v->hw_format[i] = v->elements[i].src_format;
 246                 format = &v->hw_format[i];
 247
 248                 switch (*format) {
 249                 FORMAT_REPLACE(R64_FLOAT,           R32_FLOAT);
 250                 FORMAT_REPLACE(R64G64_FLOAT,        R32G32_FLOAT);
 251                 FORMAT_REPLACE(R64G64B64_FLOAT,     R32G32B32_FLOAT);
 252                 FORMAT_REPLACE(R64G64B64A64_FLOAT,  R32G32B32A32_FLOAT);
 253                 default:;
 254                 }
 255                 v->incompatible_layout =
 256                         v->incompatible_layout ||
 257                         v->elements[i].src_format != v->hw_format[i];
 258
 259                 v->hw_format_size[i] = align(util_format_get_blocksize(v->hw_format[i]), 4);
 260         }
 261
 262         if (r600_vertex_elements_build_fetch_shader(rctx, v)) {
 263                 FREE(v);
 264                 return NULL;
 265         }
 266
 267         return v;
 268 }
 269
 270 void *r600_create_shader_state(struct pipe_context *ctx,
 271                                const struct pipe_shader_state *state)
 272 {
 273         struct r600_pipe_shader *shader =  CALLOC_STRUCT(r600_pipe_shader);
 274         int r;
 275
 276         r =  r600_pipe_shader_create(ctx, shader, state->tokens);
 277         if (r) {
 278                 return NULL;
 279         }
 280         return shader;
 281 }
 282
 283 void r600_bind_ps_shader(struct pipe_context *ctx, void *state)
 284 {
 285         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 286
 287         /* TODO delete old shader */
 288         rctx->ps_shader = (struct r600_pipe_shader *)state;
 289         if (state) {
 290                 r600_context_pipe_state_set(&rctx->ctx, &rctx->ps_shader->rstate);
 291         }
 292 }
 293
 294 void r600_bind_vs_shader(struct pipe_context *ctx, void *state)
 295 {
 296         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 297
 298         /* TODO delete old shader */
 299         rctx->vs_shader = (struct r600_pipe_shader *)state;
 300         if (state) {
 301                 r600_context_pipe_state_set(&rctx->ctx, &rctx->vs_shader->rstate);
 302         }
 303 }
 304
 305 void r600_delete_ps_shader(struct pipe_context *ctx, void *state)
 306 {
 307         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 308         struct r600_pipe_shader *shader = (struct r600_pipe_shader *)state;
 309
 310         if (rctx->ps_shader == shader) {
 311                 rctx->ps_shader = NULL;
 312         }
 313
 314         r600_pipe_shader_destroy(ctx, shader);
 315         free(shader);
 316 }
 317
 318 void r600_delete_vs_shader(struct pipe_context *ctx, void *state)
 319 {
 320         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 321         struct r600_pipe_shader *shader = (struct r600_pipe_shader *)state;
 322
 323         if (rctx->vs_shader == shader) {
 324                 rctx->vs_shader = NULL;
 325         }
 326
 327         r600_pipe_shader_destroy(ctx, shader);
 328         free(shader);
 329 }