src/gallium/drivers/zink/zink_framebuffer.h

   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 #ifndef ZINK_FRAMEBUFFER_H
  25 #define ZINK_FRAMEBUFFER_H
  26
  27 #include "pipe/p_state.h"
  28 #include <vulkan/vulkan.h>
  29
  30 #include "util/u_inlines.h"
  31
  32 struct zink_context;
  33 struct zink_screen;
  34 struct zink_render_pass;
  35
  36 struct zink_framebuffer_state {
  37    struct zink_render_pass *rp;
  38    uint32_t width;
  39    uint16_t height, layers;
  40    uint8_t samples;
  41    uint8_t num_attachments;
  42    struct zink_surface *attachments[PIPE_MAX_COLOR_BUFS + 1];
  43    bool has_null_attachments;
  44 };
  45
  46 struct zink_framebuffer {
  47    struct pipe_reference reference;
  48    VkFramebuffer fb;
  49
  50    struct pipe_surface *surfaces[PIPE_MAX_COLOR_BUFS + 1];
  51    struct zink_render_pass *rp;
  52    struct pipe_surface *null_surface; /* for use with unbound attachments */
  53 };
  54
  55 struct zink_framebuffer *
  56 zink_create_framebuffer(struct zink_context *ctx, struct zink_screen *screen,
  57                         struct zink_framebuffer_state *fb);
  58
  59 void
  60 zink_destroy_framebuffer(struct zink_screen *screen,
  61                          struct zink_framebuffer *fbuf);
  62
  63 void
  64 debug_describe_zink_framebuffer(char* buf, const struct zink_framebuffer *ptr);
  65
  66 static inline void
  67 zink_framebuffer_reference(struct zink_screen *screen,
  68                            struct zink_framebuffer **dst,
  69                            struct zink_framebuffer *src)
  70 {
  71    struct zink_framebuffer *old_dst = *dst;
  72
  73    if (pipe_reference_described(&old_dst->reference, &src->reference,
  74                                 (debug_reference_descriptor)debug_describe_zink_framebuffer))
  75       zink_destroy_framebuffer(screen, old_dst);
  76    *dst = src;
  77 }
  78
  79 #endif