src/gallium/drivers/zink/zink_state.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_STATE_H
  25 #define ZINK_STATE_H
  26
  27 #include <vulkan/vulkan.h>
  28
  29 #include "pipe/p_state.h"
  30
  31 struct zink_vertex_elements_hw_state {
  32    VkVertexInputAttributeDescription attribs[PIPE_MAX_ATTRIBS];
  33    uint32_t num_bindings, num_attribs;
  34 };
  35
  36 struct zink_vertex_elements_state {
  37    struct {
  38       uint32_t binding;
  39       VkVertexInputRate inputRate;
  40    } bindings[PIPE_MAX_ATTRIBS];
  41    uint8_t binding_map[PIPE_MAX_ATTRIBS];
  42    struct zink_vertex_elements_hw_state hw_state;
  43 };
  44
  45 struct zink_rasterizer_hw_state {
  46    VkBool32 depth_clamp;
  47    VkBool32 rasterizer_discard;
  48    VkFrontFace front_face;
  49    VkPolygonMode polygon_mode;
  50    VkCullModeFlags cull_mode;
  51 };
  52
  53 struct zink_rasterizer_state {
  54    struct pipe_rasterizer_state base;
  55    bool offset_point, offset_line, offset_tri;
  56    float offset_units, offset_clamp, offset_scale;
  57    float line_width;
  58    struct zink_rasterizer_hw_state hw_state;
  59 };
  60
  61 struct zink_blend_state {
  62    VkPipelineColorBlendAttachmentState attachments[PIPE_MAX_COLOR_BUFS];
  63
  64    VkBool32 logicop_enable;
  65    VkLogicOp logicop_func;
  66
  67    VkBool32 alpha_to_coverage;
  68    VkBool32 alpha_to_one;
  69
  70    bool need_blend_constants;
  71 };
  72
  73 struct zink_depth_stencil_alpha_state {
  74    VkBool32 depth_test;
  75    VkCompareOp depth_compare_op;
  76
  77    VkBool32 depth_bounds_test;
  78    float min_depth_bounds, max_depth_bounds;
  79
  80    VkBool32 stencil_test;
  81    VkStencilOpState stencil_front;
  82    VkStencilOpState stencil_back;
  83
  84    VkBool32 depth_write;
  85 };
  86
  87 void
  88 zink_context_state_init(struct pipe_context *pctx);
  89
  90 #endif