src/gallium/drivers/zink/zink_render_pass.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_RENDERPASS_H
  25 #define ZINK_RENDERPASS_H
  26
  27 #include <vulkan/vulkan.h>
  28
  29 #include "pipe/p_state.h"
  30 #include "util/u_inlines.h"
  31
  32 struct zink_screen;
  33
  34 struct zink_rt_attrib {
  35   VkFormat format;
  36   VkSampleCountFlagBits samples;
  37 };
  38
  39 struct zink_render_pass_state {
  40    uint8_t num_cbufs : 4; /* PIPE_MAX_COLOR_BUFS = 8 */
  41    uint8_t have_zsbuf : 1;
  42    struct zink_rt_attrib rts[PIPE_MAX_COLOR_BUFS + 1];
  43 };
  44
  45 struct zink_render_pass {
  46    struct pipe_reference reference;
  47
  48    VkRenderPass render_pass;
  49 };
  50
  51 struct zink_render_pass *
  52 zink_create_render_pass(struct zink_screen *screen,
  53                         struct zink_render_pass_state *state);
  54
  55 void
  56 zink_destroy_render_pass(struct zink_screen *screen,
  57                          struct zink_render_pass *rp);
  58
  59 void
  60 debug_describe_zink_render_pass(char* buf, const struct zink_render_pass *ptr);
  61
  62 static inline void
  63 zink_render_pass_reference(struct zink_screen *screen,
  64                            struct zink_render_pass **dst,
  65                            struct zink_render_pass *src)
  66 {
  67    struct zink_render_pass *old_dst = *dst;
  68
  69    if (pipe_reference_described(&old_dst->reference, &src->reference,
  70                                 (debug_reference_descriptor)debug_describe_zink_render_pass))
  71       zink_destroy_render_pass(screen, old_dst);
  72    *dst = src;
  73 }
  74
  75 #endif