src/gallium/drivers/radeonsi/si_state.h

   1 /*
   2  * Copyright 2012 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *      Christian König <christian.koenig@amd.com>
  25  */
  26
  27 #ifndef SI_STATE_H
  28 #define SI_STATE_H
  29
  30 #include "radeonsi_pm4.h"
  31
  32 struct si_state_blend {
  33         struct si_pm4_state     pm4;
  34         uint32_t                cb_target_mask;
  35         uint32_t                cb_color_control;
  36 };
  37
  38 union si_state {
  39         struct {
  40                 struct si_state_blend   *blend;
  41                 struct si_pm4_state     *blend_color;
  42                 struct si_pm4_state     *clip;
  43                 struct si_pm4_state     *scissor;
  44         } named;
  45         struct si_pm4_state     *array[0];
  46 };
  47
  48 #define si_pm4_block_idx(member) \
  49         (offsetof(union si_state, named.member) / sizeof(struct si_pm4_state *))
  50
  51 #define si_pm4_bind_state(rctx, member, value) \
  52         do { \
  53                 (rctx)->queued.named.member = (value); \
  54         } while(0);
  55
  56 #define si_pm4_delete_state(rctx, member, value) \
  57         do { \
  58                 if ((rctx)->queued.named.member == (value)) { \
  59                         (rctx)->queued.named.member = NULL; \
  60                 } \
  61                 si_pm4_free_state(rctx, (struct si_pm4_state *)(value), \
  62                                   si_pm4_block_idx(member)); \
  63         } while(0);
  64
  65 #define si_pm4_set_state(rctx, member, value) \
  66         do { \
  67                 if ((rctx)->queued.named.member != (value)) { \
  68                         si_pm4_free_state(rctx, \
  69                                 (struct si_pm4_state *)(rctx)->queued.named.member, \
  70                                 si_pm4_block_idx(member)); \
  71                         (rctx)->queued.named.member = (value); \
  72                 } \
  73         } while(0);
  74
  75 void si_init_state_functions(struct r600_context *rctx);
  76
  77 #endif