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      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         8
     30 
     31 struct radv_descriptor_set_binding_layout {
     32    VkDescriptorType type;
     33 
     34    /* Number of array elements in this binding */
     35    uint16_t array_size;
     36 
     37    uint16_t offset;
     38    uint16_t buffer_offset;
     39    uint16_t dynamic_offset_offset;
     40 
     41    /* redundant with the type, each for a single array element */
     42    uint16_t size;
     43    uint16_t buffer_count;
     44    uint16_t dynamic_offset_count;
     45 
     46    /* Immutable samplers (or NULL if no immutable samplers) */
     47    struct radv_sampler **immutable_samplers;
     48 };
     49 
     50 struct radv_descriptor_set_layout {
     51    /* Number of bindings in this descriptor set */
     52    uint16_t binding_count;
     53 
     54    /* Total size of the descriptor set with room for all array entries */
     55    uint16_t size;
     56 
     57    /* Shader stages affected by this descriptor set */
     58    uint16_t shader_stages;
     59    uint16_t dynamic_shader_stages;
     60 
     61    /* Number of buffers in this descriptor set */
     62    uint16_t buffer_count;
     63 
     64    /* Number of dynamic offsets used by this descriptor set */
     65    uint16_t dynamic_offset_count;
     66 
     67    /* Bindings in this descriptor set */
     68    struct radv_descriptor_set_binding_layout binding[0];
     69 };
     70 
     71 struct radv_pipeline_layout {
     72    struct {
     73       struct radv_descriptor_set_layout *layout;
     74       uint32_t size;
     75       uint32_t dynamic_offset_start;
     76    } set[MAX_SETS];
     77 
     78    uint32_t num_sets;
     79    uint32_t push_constant_size;
     80    uint32_t dynamic_offset_count;
     81 
     82    unsigned char sha1[20];
     83 };
     84 
     85 #endif /* RADV_DESCRIPTOR_SET_H */
     86