summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/vc4/vc4_blit.c
blob: 5c98fb612e0d6688cf78d78e03b8d14bc6ef9894 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/*
 * Copyright © 2015 Broadcom
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "util/u_format.h"
#include "util/u_surface.h"
#include "util/u_blitter.h"
#include "vc4_context.h"

static bool
vc4_render_blit(struct pipe_context *ctx, struct pipe_blit_info *info)
{
        struct vc4_context *vc4 = vc4_context(ctx);

        if (!util_blitter_is_blit_supported(vc4->blitter, info)) {
                fprintf(stderr, "blit unsupported %s -> %s",
                    util_format_short_name(info->src.resource->format),
                    util_format_short_name(info->dst.resource->format));
                return false;
        }

        util_blitter_save_vertex_buffer_slot(vc4->blitter, vc4->vertexbuf.vb);
        util_blitter_save_vertex_elements(vc4->blitter, vc4->vtx);
        util_blitter_save_vertex_shader(vc4->blitter, vc4->prog.bind_vs);
        util_blitter_save_rasterizer(vc4->blitter, vc4->rasterizer);
        util_blitter_save_viewport(vc4->blitter, &vc4->viewport);
        util_blitter_save_scissor(vc4->blitter, &vc4->scissor);
        util_blitter_save_fragment_shader(vc4->blitter, vc4->prog.bind_fs);
        util_blitter_save_blend(vc4->blitter, vc4->blend);
        util_blitter_save_depth_stencil_alpha(vc4->blitter, vc4->zsa);
        util_blitter_save_stencil_ref(vc4->blitter, &vc4->stencil_ref);
        util_blitter_save_sample_mask(vc4->blitter, vc4->sample_mask);
        util_blitter_save_framebuffer(vc4->blitter, &vc4->framebuffer);
        util_blitter_save_fragment_sampler_states(vc4->blitter,
                        vc4->fragtex.num_samplers,
                        (void **)vc4->fragtex.samplers);
        util_blitter_save_fragment_sampler_views(vc4->blitter,
                        vc4->fragtex.num_textures, vc4->fragtex.textures);

        util_blitter_blit(vc4->blitter, info);

        return true;
}

/* Optimal hardware path for blitting pixels.
 * Scaling, format conversion, up- and downsampling (resolve) are allowed.
 */
void
vc4_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
{
        struct pipe_blit_info info = *blit_info;

        if (info.src.resource->nr_samples > 1 &&
            info.dst.resource->nr_samples <= 1 &&
            !util_format_is_depth_or_stencil(info.src.resource->format) &&
            !util_format_is_pure_integer(info.src.resource->format)) {
                fprintf(stderr, "color resolve unimplemented");
                return;
        }

        if (util_try_blit_via_copy_region(pctx, &info)) {
                return; /* done */
        }

        if (info.mask & PIPE_MASK_S) {
                fprintf(stderr, "cannot blit stencil, skipping");
                info.mask &= ~PIPE_MASK_S;
        }

        vc4_render_blit(pctx, &info);
}