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
  63 void r600_delete_rs_state(struct pipe_context *ctx, void *state)
  64 {
  65         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  66         struct r600_pipe_rasterizer *rs = (struct r600_pipe_rasterizer *)state;
  67
  68         if (rctx->rasterizer == rs) {
  69                 rctx->rasterizer = NULL;
  70         }
  71         if (rctx->states[rs->rstate.id] == &rs->rstate) {
  72                 rctx->states[rs->rstate.id] = NULL;
  73         }
  74         free(rs);
  75 }
  76
  77 void r600_sampler_view_destroy(struct pipe_context *ctx,
  78                                struct pipe_sampler_view *state)
  79 {
  80         struct r600_pipe_sampler_view *resource = (struct r600_pipe_sampler_view *)state;
  81
  82         pipe_resource_reference(&state->texture, NULL);
  83         FREE(resource);
  84 }
  85
  86 void r600_bind_state(struct pipe_context *ctx, void *state)
  87 {
  88         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
  89         struct r600_pipe_state *rstate = (struct r600_pipe_state *)state;
  90
  91         if (state == NULL)
  92                 return;
  93         rctx->states[rstate->id] = rstate;
  94         r600_context_pipe_state_set(&rctx->ctx, rstate);
  95 }
  96
  97 void r600_delete_state(struct pipe_context *ctx, void *state)
  98 {
  99         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 100         struct r600_pipe_state *rstate = (struct r600_pipe_state *)state;
 101
 102         if (rctx->states[rstate->id] == rstate) {
 103                 rctx->states[rstate->id] = NULL;
 104         }
 105         for (int i = 0; i < rstate->nregs; i++) {
 106                 r600_bo_reference(rctx->radeon, &rstate->regs[i].bo, NULL);
 107         }
 108         free(rstate);
 109 }
 110
 111 void r600_bind_vertex_elements(struct pipe_context *ctx, void *state)
 112 {
 113         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 114         struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 115
 116         rctx->vertex_elements = v;
 117         if (v) {
 118 //              rctx->vs_rebuild = TRUE;
 119         }
 120 }
 121
 122 void r600_delete_vertex_element(struct pipe_context *ctx, void *state)
 123 {
 124         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 125
 126         FREE(state);
 127
 128         if (rctx->vertex_elements == state)
 129                 rctx->vertex_elements = NULL;
 130 }
 131
 132
 133 void r600_set_index_buffer(struct pipe_context *ctx,
 134                            const struct pipe_index_buffer *ib)
 135 {
 136         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 137
 138         if (ib) {
 139                 pipe_resource_reference(&rctx->index_buffer.buffer, ib->buffer);
 140                 memcpy(&rctx->index_buffer, ib, sizeof(rctx->index_buffer));
 141         } else {
 142                 pipe_resource_reference(&rctx->index_buffer.buffer, NULL);
 143                 memset(&rctx->index_buffer, 0, sizeof(rctx->index_buffer));
 144         }
 145
 146         /* TODO make this more like a state */
 147 }
 148
 149 void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
 150                              const struct pipe_vertex_buffer *buffers)
 151 {
 152         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 153         struct pipe_vertex_buffer *vbo;
 154         unsigned max_index = (unsigned)-1;
 155
 156         for (int i = 0; i < rctx->nvertex_buffer; i++) {
 157                 pipe_resource_reference(&rctx->vertex_buffer[i].buffer, NULL);
 158         }
 159         memcpy(rctx->vertex_buffer, buffers, sizeof(struct pipe_vertex_buffer) * count);
 160
 161         for (int i = 0; i < count; i++) {
 162                 vbo = (struct pipe_vertex_buffer*)&buffers[i];
 163
 164                 rctx->vertex_buffer[i].buffer = NULL;
 165                 if (r600_buffer_is_user_buffer(buffers[i].buffer))
 166                         rctx->any_user_vbs = TRUE;
 167                 pipe_resource_reference(&rctx->vertex_buffer[i].buffer, buffers[i].buffer);
 168
 169                 if (vbo->max_index == ~0) {
 170                         if (!vbo->stride)
 171                                 vbo->max_index = 1;
 172                         else
 173                                 vbo->max_index = (vbo->buffer->width0 - vbo->buffer_offset) / vbo->stride;
 174                 }
 175                 max_index = MIN2(vbo->max_index, max_index);
 176         }
 177         rctx->nvertex_buffer = count;
 178         rctx->vb_max_index = max_index;
 179 }
 180
 181
 182 #define FORMAT_REPLACE(what, withwhat) \
 183         case PIPE_FORMAT_##what: *format = PIPE_FORMAT_##withwhat; break
 184
 185 void *r600_create_vertex_elements(struct pipe_context *ctx,
 186                                   unsigned count,
 187                                   const struct pipe_vertex_element *elements)
 188 {
 189         struct r600_vertex_element *v = CALLOC_STRUCT(r600_vertex_element);
 190         int i;
 191         enum pipe_format *format;
 192
 193         assert(count < 32);
 194         if (!v)
 195                 return NULL;
 196
 197         v->count = count;
 198         memcpy(v->elements, elements, count * sizeof(struct pipe_vertex_element));
 199
 200         for (i = 0; i < count; i++) {
 201                 v->hw_format[i] = v->elements[i].src_format;
 202                 format = &v->hw_format[i];
 203
 204                 switch (*format) {
 205                 FORMAT_REPLACE(R64_FLOAT,           R32_FLOAT);
 206                 FORMAT_REPLACE(R64G64_FLOAT,        R32G32_FLOAT);
 207                 FORMAT_REPLACE(R64G64B64_FLOAT,     R32G32B32_FLOAT);
 208                 FORMAT_REPLACE(R64G64B64A64_FLOAT,  R32G32B32A32_FLOAT);
 209                 default:;
 210                 }
 211                 v->incompatible_layout =
 212                         v->incompatible_layout ||
 213                         v->elements[i].src_format != v->hw_format[i] ||
 214                         v->elements[i].src_offset % 4 != 0;
 215
 216                 v->hw_format_size[i] = align(util_format_get_blocksize(v->hw_format[i]), 4);
 217         }
 218
 219         return v;
 220 }
 221
 222 void *r600_create_shader_state(struct pipe_context *ctx,
 223                                const struct pipe_shader_state *state)
 224 {
 225         struct r600_pipe_shader *shader =  CALLOC_STRUCT(r600_pipe_shader);
 226         int r;
 227
 228         r =  r600_pipe_shader_create(ctx, shader, state->tokens);
 229         if (r) {
 230                 return NULL;
 231         }
 232         return shader;
 233 }
 234
 235 void r600_bind_ps_shader(struct pipe_context *ctx, void *state)
 236 {
 237         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 238
 239         /* TODO delete old shader */
 240         rctx->ps_shader = (struct r600_pipe_shader *)state;
 241 }
 242
 243 void r600_bind_vs_shader(struct pipe_context *ctx, void *state)
 244 {
 245         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 246
 247         /* TODO delete old shader */
 248         rctx->vs_shader = (struct r600_pipe_shader *)state;
 249 }
 250
 251 void r600_delete_ps_shader(struct pipe_context *ctx, void *state)
 252 {
 253         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 254         struct r600_pipe_shader *shader = (struct r600_pipe_shader *)state;
 255
 256         if (rctx->ps_shader == shader) {
 257                 rctx->ps_shader = NULL;
 258         }
 259
 260         r600_pipe_shader_destroy(ctx, shader);
 261         free(shader);
 262 }
 263
 264 void r600_delete_vs_shader(struct pipe_context *ctx, void *state)
 265 {
 266         struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 267         struct r600_pipe_shader *shader = (struct r600_pipe_shader *)state;
 268
 269         if (rctx->vs_shader == shader) {
 270                 rctx->vs_shader = NULL;
 271         }
 272
 273         r600_pipe_shader_destroy(ctx, shader);
 274         free(shader);
 275 }