src/gallium/drivers/freedreno/a4xx/fd4_blend.h

   1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
   2
   3 /*
   4  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the next
  14  * paragraph) shall be included in all copies or substantial portions of the
  15  * Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Authors:
  26  *    Rob Clark <robclark@freedesktop.org>
  27  */
  28
  29 #ifndef FD4_BLEND_H_
  30 #define FD4_BLEND_H_
  31
  32 #include "pipe/p_state.h"
  33 #include "pipe/p_context.h"
  34
  35 #include "freedreno_util.h"
  36
  37 struct fd4_blend_stateobj {
  38         struct pipe_blend_state base;
  39         struct {
  40                 uint32_t control;
  41                 uint32_t buf_info;
  42                 /* Blend control bits for color if there is an alpha channel */
  43                 uint32_t blend_control_rgb;
  44                 /* Blend control bits for color if there is no alpha channel */
  45                 uint32_t blend_control_no_alpha_rgb;
  46                 /* Blend control bits for alpha channel */
  47                 uint32_t blend_control_alpha;
  48         } rb_mrt[A4XX_MAX_RENDER_TARGETS];
  49         uint32_t rb_fs_output;
  50 };
  51
  52 static inline struct fd4_blend_stateobj *
  53 fd4_blend_stateobj(struct pipe_blend_state *blend)
  54 {
  55         return (struct fd4_blend_stateobj *)blend;
  56 }
  57
  58 void * fd4_blend_state_create(struct pipe_context *pctx,
  59                 const struct pipe_blend_state *cso);
  60
  61 #endif /* FD4_BLEND_H_ */