src/amd/vulkan/radv_descriptor_set.h

   1 /*
   2  * Copyright © 2016 Bas Nieuwenhuizen
   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  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #ifndef RADV_DESCRIPTOR_SET_H
  25 #define RADV_DESCRIPTOR_SET_H
  26
  27 #include <vulkan/vulkan.h>
  28
  29 #define MAX_SETS         32
  30
  31 struct radv_descriptor_set_binding_layout {
  32    VkDescriptorType type;
  33
  34    /* Number of array elements in this binding */
  35    uint32_t array_size;
  36
  37    uint32_t offset;
  38    uint32_t buffer_offset;
  39    uint16_t dynamic_offset_offset;
  40
  41    /* redundant with the type, each for a single array element */
  42    uint32_t size;
  43    uint32_t buffer_count;
  44    uint16_t dynamic_offset_count;
  45
  46    /* Offset in the radv_descriptor_set_layout of the immutable samplers, or 0
  47     * if there are no immutable samplers. */
  48    uint32_t immutable_samplers_offset;
  49    bool immutable_samplers_equal;
  50 };
  51
  52 struct radv_descriptor_set_layout {
  53    /* The create flags for this descriptor set layout */
  54    VkDescriptorSetLayoutCreateFlags flags;
  55
  56    /* Number of bindings in this descriptor set */
  57    uint32_t binding_count;
  58
  59    /* Total size of the descriptor set with room for all array entries */
  60    uint32_t size;
  61
  62    /* Shader stages affected by this descriptor set */
  63    uint16_t shader_stages;
  64    uint16_t dynamic_shader_stages;
  65
  66    /* Number of buffers in this descriptor set */
  67    uint32_t buffer_count;
  68
  69    /* Number of dynamic offsets used by this descriptor set */
  70    uint16_t dynamic_offset_count;
  71
  72    /* Bindings in this descriptor set */
  73    struct radv_descriptor_set_binding_layout binding[0];
  74 };
  75
  76 struct radv_pipeline_layout {
  77    struct {
  78       struct radv_descriptor_set_layout *layout;
  79       uint32_t size;
  80       uint32_t dynamic_offset_start;
  81    } set[MAX_SETS];
  82
  83    uint32_t num_sets;
  84    uint32_t push_constant_size;
  85    uint32_t dynamic_offset_count;
  86
  87    unsigned char sha1[20];
  88 };
  89
  90 static inline const uint32_t *
  91 radv_immutable_samplers(const struct radv_descriptor_set_layout *set,
  92                         const struct radv_descriptor_set_binding_layout *binding) {
  93         return (const uint32_t*)((const char*)set + binding->immutable_samplers_offset);
  94 }
  95 #endif /* RADV_DESCRIPTOR_SET_H */