1/*
2 * Copyright © 2020 Mike Blumenkrantz
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 *    Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
25 */
26
27#include "util/u_dynarray.h"
28#include "pipe/p_state.h"
29#include <vulkan/vulkan.h>
30#include "util/u_rect.h"
31
32struct zink_context;
33struct zink_resource;
34
35struct zink_framebuffer_clear_data {
36   union {
37      struct {
38         union pipe_color_union color;
39         bool srgb;
40      } color;
41      struct {
42         float depth;
43         unsigned stencil;
44         uint8_t bits : 2; // PIPE_CLEAR_DEPTH, PIPE_CLEAR_STENCIL
45      } zs;
46   };
47   struct pipe_scissor_state scissor;
48   bool has_scissor;
49   bool conditional;
50};
51
52struct zink_framebuffer_clear {
53   struct util_dynarray clears;
54};
55
56void
57zink_clear(struct pipe_context *pctx,
58           unsigned buffers,
59           const struct pipe_scissor_state *scissor_state,
60           const union pipe_color_union *pcolor,
61           double depth, unsigned stencil);
62void
63zink_clear_texture(struct pipe_context *ctx,
64                   struct pipe_resource *p_res,
65                   unsigned level,
66                   const struct pipe_box *box,
67                   const void *data);
68void
69zink_clear_buffer(struct pipe_context *pctx,
70                  struct pipe_resource *pres,
71                  unsigned offset,
72                  unsigned size,
73                  const void *clear_value,
74                  int clear_value_size);
75
76void
77zink_clear_render_target(struct pipe_context *ctx, struct pipe_surface *dst,
78                         const union pipe_color_union *color, unsigned dstx,
79                         unsigned dsty, unsigned width, unsigned height,
80                         bool render_condition_enabled);
81
82void
83zink_clear_depth_stencil(struct pipe_context *ctx, struct pipe_surface *dst,
84                         unsigned clear_flags, double depth, unsigned stencil,
85                         unsigned dstx, unsigned dsty, unsigned width, unsigned height,
86                         bool render_condition_enabled);
87
88bool
89zink_fb_clear_needs_explicit(struct zink_framebuffer_clear *fb_clear);
90
91bool
92zink_fb_clear_first_needs_explicit(struct zink_framebuffer_clear *fb_clear);
93
94void
95zink_clear_framebuffer(struct zink_context *ctx, unsigned clear_buffers);
96
97static inline struct zink_framebuffer_clear_data *
98zink_fb_clear_element(struct zink_framebuffer_clear *fb_clear, int idx)
99{
100   return util_dynarray_element(&fb_clear->clears, struct zink_framebuffer_clear_data, idx);
101}
102
103static inline unsigned
104zink_fb_clear_count(struct zink_framebuffer_clear *fb_clear)
105{
106   return fb_clear ? util_dynarray_num_elements(&fb_clear->clears, struct zink_framebuffer_clear_data) : 0;
107}
108
109void
110zink_fb_clear_reset(struct zink_context *ctx, unsigned idx);
111
112static inline bool
113zink_fb_clear_element_needs_explicit(struct zink_framebuffer_clear_data *clear)
114{
115   return clear->has_scissor || clear->conditional;
116}
117
118void
119zink_clear_apply_conditionals(struct zink_context *ctx);
120
121void
122zink_fb_clears_apply(struct zink_context *ctx, struct pipe_resource *pres);
123
124void
125zink_fb_clears_discard(struct zink_context *ctx, struct pipe_resource *pres);
126
127void
128zink_fb_clears_apply_or_discard(struct zink_context *ctx, struct pipe_resource *pres, struct u_rect region, bool discard_only);
129
130void
131zink_fb_clears_apply_region(struct zink_context *ctx, struct pipe_resource *pres, struct u_rect region);
132
133void
134zink_fb_clear_util_unpack_clear_color(struct zink_framebuffer_clear_data *clear, enum pipe_format format, union pipe_color_union *color);
135