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#include "util/set.h"
31
32struct zink_vertex_elements_hw_state {
33   uint32_t hash;
34   uint32_t num_bindings, num_attribs;
35   union {
36      VkVertexInputAttributeDescription attribs[PIPE_MAX_ATTRIBS];
37      VkVertexInputAttributeDescription2EXT dynattribs[PIPE_MAX_ATTRIBS];
38   };
39   union {
40      struct {
41         VkVertexInputBindingDivisorDescriptionEXT divisors[PIPE_MAX_ATTRIBS];
42         VkVertexInputBindingDescription bindings[PIPE_MAX_ATTRIBS]; // combination of element_state and stride
43         uint8_t divisors_present;
44      } b;
45      VkVertexInputBindingDescription2EXT dynbindings[PIPE_MAX_ATTRIBS];
46   };
47};
48
49struct zink_vertex_elements_state {
50   struct {
51      uint32_t binding;
52      VkVertexInputRate inputRate;
53   } bindings[PIPE_MAX_ATTRIBS];
54   uint32_t divisor[PIPE_MAX_ATTRIBS];
55   uint8_t binding_map[PIPE_MAX_ATTRIBS];
56   uint32_t min_stride[PIPE_MAX_ATTRIBS]; //for dynamic_state1
57   uint32_t decomposed_attrs;
58   unsigned decomposed_attrs_size;
59   uint32_t decomposed_attrs_without_w;
60   unsigned decomposed_attrs_without_w_size;
61   struct zink_vertex_elements_hw_state hw_state;
62};
63
64struct zink_vertex_state {
65   struct pipe_vertex_state b;
66   struct zink_vertex_elements_state velems;
67   struct set masks;
68};
69
70struct zink_rasterizer_hw_state {
71   unsigned polygon_mode : 2; //VkPolygonMode
72   unsigned line_mode : 2; //VkLineRasterizationModeEXT
73   unsigned depth_clip:1;
74   unsigned pv_last:1;
75   unsigned line_stipple_enable:1;
76   unsigned force_persample_interp:1;
77   unsigned clip_halfz:1;
78};
79#define ZINK_RAST_HW_STATE_SIZE 9
80
81
82struct zink_rasterizer_state {
83   struct pipe_rasterizer_state base;
84   bool offset_point, offset_line, offset_tri;
85   float offset_units, offset_clamp, offset_scale;
86   float line_width;
87   VkFrontFace front_face;
88   VkCullModeFlags cull_mode;
89   struct zink_rasterizer_hw_state hw_state;
90};
91
92struct zink_blend_state {
93   uint32_t hash;
94   VkPipelineColorBlendAttachmentState attachments[PIPE_MAX_COLOR_BUFS];
95
96   VkBool32 logicop_enable;
97   VkLogicOp logicop_func;
98
99   VkBool32 alpha_to_coverage;
100   VkBool32 alpha_to_one;
101
102   bool need_blend_constants;
103   bool dual_src_blend;
104};
105
106struct zink_depth_stencil_alpha_hw_state {
107   VkBool32 depth_test;
108   VkCompareOp depth_compare_op;
109
110   VkBool32 depth_bounds_test;
111   float min_depth_bounds, max_depth_bounds;
112
113   VkBool32 stencil_test;
114   VkStencilOpState stencil_front;
115   VkStencilOpState stencil_back;
116
117   VkBool32 depth_write;
118};
119
120struct zink_depth_stencil_alpha_state {
121   struct pipe_depth_stencil_alpha_state base;
122   struct zink_depth_stencil_alpha_hw_state hw_state;
123};
124
125#ifdef __cplusplus
126extern "C" {
127#endif
128
129void
130zink_context_state_init(struct pipe_context *pctx);
131
132
133struct pipe_vertex_state *
134zink_create_vertex_state(struct pipe_screen *pscreen,
135                          struct pipe_vertex_buffer *buffer,
136                          const struct pipe_vertex_element *elements,
137                          unsigned num_elements,
138                          struct pipe_resource *indexbuf,
139                          uint32_t full_velem_mask);
140void
141zink_vertex_state_destroy(struct pipe_screen *pscreen, struct pipe_vertex_state *vstate);
142struct pipe_vertex_state *
143zink_cache_create_vertex_state(struct pipe_screen *pscreen,
144                               struct pipe_vertex_buffer *buffer,
145                               const struct pipe_vertex_element *elements,
146                               unsigned num_elements,
147                               struct pipe_resource *indexbuf,
148                               uint32_t full_velem_mask);
149void
150zink_cache_vertex_state_destroy(struct pipe_screen *pscreen, struct pipe_vertex_state *vstate);
151
152const struct zink_vertex_elements_hw_state *
153zink_vertex_state_mask(struct pipe_vertex_state *vstate, uint32_t partial_velem_mask, bool have_EXT_vertex_input_dynamic_state);
154
155#ifdef __cplusplus
156}
157#endif
158
159#endif
160