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      1 /*
      2  * Copyright (C) 2019 Collabora, Ltd.
      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 (Collabora):
     24  *   Alyssa Rosenzweig <alyssa.rosenzweig (at) collabora.com>
     25  *
     26  */
     27 
     28 #ifndef __PAN_BLEND_CSO_H
     29 #define __PAN_BLEND_CSO_H
     30 
     31 #include "pan_blend.h"
     32 #include "util/hash_table.h"
     33 #include "nir.h"
     34 
     35 struct panfrost_bo;
     36 
     37 struct pan_blend_info {
     38         unsigned constant_mask : 4;
     39         bool fixed_function : 1;
     40         bool no_colour : 1;
     41         bool load_dest : 1;
     42         bool opaque : 1;
     43 };
     44 
     45 struct panfrost_blend_state {
     46         struct pipe_blend_state base;
     47         struct pan_blend_state pan;
     48         struct pan_blend_info info[PIPE_MAX_COLOR_BUFS];
     49         uint32_t equation[PIPE_MAX_COLOR_BUFS];
     50 
     51         /* info.load presented as a bitfield for draw call hot paths */
     52         unsigned load_dest_mask : PIPE_MAX_COLOR_BUFS;
     53 };
     54 
     55 mali_ptr
     56 panfrost_get_blend(struct panfrost_batch *batch, unsigned rt, struct panfrost_bo **bo, unsigned *shader_offset);
     57 
     58 #endif
     59