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1 /*
2  * Copyright 2018 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  * on the rights to use, copy, modify, merge, publish, distribute, sub
8  * license, and/or sell copies of the Software, and to permit persons to whom
9  * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
22  */
23 
24 #include "zink_context.h"
25 #include "zink_framebuffer.h"
26 
27 #include "zink_render_pass.h"
28 #include "zink_screen.h"
29 #include "zink_surface.h"
30 
31 #include "util/u_memory.h"
32 #include "util/u_string.h"
33 
34 static struct pipe_surface *
framebuffer_null_surface_init(struct zink_context * ctx,struct zink_framebuffer_state * state)35 framebuffer_null_surface_init(struct zink_context *ctx, struct zink_framebuffer_state *state)
36 {
37    struct pipe_surface surf_templ = {};
38    unsigned idx = util_logbase2_ceil(MAX2(state->samples, 1));
39 
40    if (!ctx->null_buffers[idx]) {
41       struct pipe_resource *pres;
42       struct pipe_resource templ = {};
43       templ.width0 = state->width;
44       templ.height0 = state->height;
45       templ.depth0 = 1;
46       templ.format = PIPE_FORMAT_R8_UINT;
47       templ.target = PIPE_TEXTURE_2D;
48       templ.bind = PIPE_BIND_RENDER_TARGET;
49       templ.nr_samples = state->samples;
50 
51       pres = ctx->base.screen->resource_create(ctx->base.screen, &templ);
52       if (!pres)
53          return NULL;
54 
55       ctx->null_buffers[idx] = pres;
56    }
57    surf_templ.format = PIPE_FORMAT_R8_UINT;
58    surf_templ.nr_samples = state->samples;
59    return ctx->base.create_surface(&ctx->base, ctx->null_buffers[idx], &surf_templ);
60 }
61 
62 void
zink_destroy_framebuffer(struct zink_screen * screen,struct zink_framebuffer * fbuf)63 zink_destroy_framebuffer(struct zink_screen *screen,
64                          struct zink_framebuffer *fbuf)
65 {
66    vkDestroyFramebuffer(screen->dev, fbuf->fb, NULL);
67    for (int i = 0; i < ARRAY_SIZE(fbuf->surfaces); ++i)
68       pipe_surface_reference(fbuf->surfaces + i, NULL);
69 
70    pipe_surface_reference(&fbuf->null_surface, NULL);
71 
72    zink_render_pass_reference(screen, &fbuf->rp, NULL);
73 
74    FREE(fbuf);
75 }
76 
77 struct zink_framebuffer *
zink_create_framebuffer(struct zink_context * ctx,struct zink_screen * screen,struct zink_framebuffer_state * fb)78 zink_create_framebuffer(struct zink_context *ctx, struct zink_screen *screen,
79                         struct zink_framebuffer_state *fb)
80 {
81    struct zink_framebuffer *fbuf = CALLOC_STRUCT(zink_framebuffer);
82    if (!fbuf)
83       return NULL;
84 
85    pipe_reference_init(&fbuf->reference, 1);
86 
87    if (fb->has_null_attachments)
88       fbuf->null_surface = framebuffer_null_surface_init(ctx, fb);
89 
90    VkImageView attachments[ARRAY_SIZE(fb->attachments)] = {};
91    for (int i = 0; i < fb->num_attachments; i++) {
92       struct zink_surface *surf = fb->attachments[i];
93       if (!surf)
94          surf = zink_surface(fbuf->null_surface);
95       pipe_surface_reference(fbuf->surfaces + i, &surf->base);
96       attachments[i] = surf->image_view;
97    }
98 
99    zink_render_pass_reference(screen, &fbuf->rp, fb->rp);
100 
101    VkFramebufferCreateInfo fci = {};
102    fci.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
103    fci.renderPass = fbuf->rp->render_pass;
104    fci.attachmentCount = fb->num_attachments;
105    fci.pAttachments = attachments;
106    fci.width = fb->width;
107    fci.height = fb->height;
108    fci.layers = fb->layers;
109 
110    if (vkCreateFramebuffer(screen->dev, &fci, NULL, &fbuf->fb) != VK_SUCCESS) {
111       zink_destroy_framebuffer(screen, fbuf);
112       return NULL;
113    }
114 
115    return fbuf;
116 }
117 
118 void
debug_describe_zink_framebuffer(char * buf,const struct zink_framebuffer * ptr)119 debug_describe_zink_framebuffer(char* buf, const struct zink_framebuffer *ptr)
120 {
121    sprintf(buf, "zink_framebuffer");
122 }
123