xref: /aosp_15_r20/external/mesa3d/src/gallium/drivers/panfrost/pan_blend_cso.h (revision 6104692788411f58d303aa86923a9ff6ecaded22)
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 <[email protected]>
25  *
26  */
27 
28 #ifndef __PAN_BLEND_CSO_H
29 #define __PAN_BLEND_CSO_H
30 
31 #include "util/hash_table.h"
32 #include "nir.h"
33 #include "pan_blend.h"
34 #include "pan_job.h"
35 
36 struct panfrost_bo;
37 
38 struct pan_blend_info {
39    unsigned constant_mask : 4;
40    bool fixed_function    : 1;
41    bool enabled           : 1;
42    bool load_dest         : 1;
43    bool opaque            : 1;
44    bool alpha_zero_nop    : 1;
45    bool alpha_one_store   : 1;
46 };
47 
48 struct panfrost_blend_state {
49    struct pipe_blend_state base;
50    struct pan_blend_state pan;
51    struct pan_blend_info info[PIPE_MAX_COLOR_BUFS];
52    uint32_t equation[PIPE_MAX_COLOR_BUFS];
53 
54    /* info.load presented as a bitfield for draw call hot paths */
55    unsigned load_dest_mask : PIPE_MAX_COLOR_BUFS;
56 
57    /* info.enabled presented as a bitfield for draw call hot paths */
58    unsigned enabled_mask : PIPE_MAX_COLOR_BUFS;
59 };
60 
61 mali_ptr panfrost_get_blend(struct panfrost_batch *batch, unsigned rt,
62                             struct panfrost_bo **bo, unsigned *shader_offset);
63 
64 #endif
65