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

   1 /*
   2  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  *
  23  * Authors:
  24  *    Rob Clark <robclark@freedesktop.org>
  25  */
  26
  27 #ifndef FD4_BLEND_H_
  28 #define FD4_BLEND_H_
  29
  30 #include "pipe/p_state.h"
  31 #include "pipe/p_context.h"
  32
  33 #include "freedreno_util.h"
  34
  35 struct fd4_blend_stateobj {
  36         struct pipe_blend_state base;
  37         struct {
  38                 uint32_t control;
  39                 uint32_t buf_info;
  40                 /* Blend control bits for color if there is an alpha channel */
  41                 uint32_t blend_control_rgb;
  42                 /* Blend control bits for color if there is no alpha channel */
  43                 uint32_t blend_control_no_alpha_rgb;
  44                 /* Blend control bits for alpha channel */
  45                 uint32_t blend_control_alpha;
  46         } rb_mrt[A4XX_MAX_RENDER_TARGETS];
  47         uint32_t rb_fs_output;
  48 };
  49
  50 static inline struct fd4_blend_stateobj *
  51 fd4_blend_stateobj(struct pipe_blend_state *blend)
  52 {
  53         return (struct fd4_blend_stateobj *)blend;
  54 }
  55
  56 void * fd4_blend_state_create(struct pipe_context *pctx,
  57                 const struct pipe_blend_state *cso);
  58
  59 #endif /* FD4_BLEND_H_ */