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 num_attachments;
  41    struct zink_surface *attachments[PIPE_MAX_COLOR_BUFS + 1];
  42    bool has_null_attachments;
  43 };
  44
  45 struct zink_framebuffer {
  46    struct pipe_reference reference;
  47    VkFramebuffer fb;
  48
  49    struct pipe_surface *surfaces[PIPE_MAX_COLOR_BUFS + 1];
  50    struct zink_render_pass *rp;
  51    struct pipe_surface *null_surface; /* for use with unbound attachments */
  52 };
  53
  54 struct zink_framebuffer *
  55 zink_create_framebuffer(struct zink_context *ctx, struct zink_screen *screen,
  56                         struct zink_framebuffer_state *fb);
  57
  58 void
  59 zink_destroy_framebuffer(struct zink_screen *screen,
  60                          struct zink_framebuffer *fbuf);
  61
  62 void
  63 debug_describe_zink_framebuffer(char* buf, const struct zink_framebuffer *ptr);
  64
  65 static inline void
  66 zink_framebuffer_reference(struct zink_screen *screen,
  67                            struct zink_framebuffer **dst,
  68                            struct zink_framebuffer *src)
  69 {
  70    struct zink_framebuffer *old_dst = *dst;
  71
  72    if (pipe_reference_described(&old_dst->reference, &src->reference,
  73                                 (debug_reference_descriptor)debug_describe_zink_framebuffer))
  74       zink_destroy_framebuffer(screen, old_dst);
  75    *dst = src;
  76 }
  77
  78 #endif