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_CONTEXT_H
25 #define ZINK_CONTEXT_H
26 
27 #include "zink_pipeline.h"
28 #include "zink_batch.h"
29 
30 #include "pipe/p_context.h"
31 #include "pipe/p_state.h"
32 
33 #include "util/slab.h"
34 #include "util/list.h"
35 
36 #include <vulkan/vulkan.h>
37 
38 struct blitter_context;
39 struct primconvert_context;
40 struct list_head;
41 
42 struct zink_blend_state;
43 struct zink_depth_stencil_alpha_state;
44 struct zink_gfx_program;
45 struct zink_rasterizer_state;
46 struct zink_resource;
47 struct zink_vertex_elements_state;
48 
49 struct zink_sampler_view {
50    struct pipe_sampler_view base;
51    VkImageView image_view;
52 };
53 
54 static inline struct zink_sampler_view *
zink_sampler_view(struct pipe_sampler_view * pview)55 zink_sampler_view(struct pipe_sampler_view *pview)
56 {
57    return (struct zink_sampler_view *)pview;
58 }
59 
60 struct zink_so_target {
61    struct pipe_stream_output_target base;
62    struct pipe_resource *counter_buffer;
63    VkDeviceSize counter_buffer_offset;
64    uint32_t stride;
65    bool counter_buffer_valid;
66 };
67 
68 static inline struct zink_so_target *
zink_so_target(struct pipe_stream_output_target * so_target)69 zink_so_target(struct pipe_stream_output_target *so_target)
70 {
71    return (struct zink_so_target *)so_target;
72 }
73 
74 struct zink_context {
75    struct pipe_context base;
76    struct slab_child_pool transfer_pool;
77    struct blitter_context *blitter;
78 
79    VkCommandPool cmdpool;
80    struct zink_batch batches[4];
81    unsigned curr_batch;
82 
83    VkQueue queue;
84 
85    struct pipe_constant_buffer ubos[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS];
86    struct pipe_framebuffer_state fb_state;
87 
88    struct zink_vertex_elements_state *element_state;
89    struct zink_rasterizer_state *rast_state;
90 
91    struct zink_shader *gfx_stages[PIPE_SHADER_TYPES - 1];
92    struct zink_gfx_pipeline_state gfx_pipeline_state;
93    struct hash_table *program_cache;
94    struct zink_gfx_program *curr_program;
95 
96    unsigned dirty_program : 1;
97 
98    struct hash_table *render_pass_cache;
99 
100    struct primconvert_context *primconvert;
101 
102    struct zink_framebuffer *framebuffer;
103 
104    struct pipe_viewport_state viewport_states[PIPE_MAX_VIEWPORTS];
105    struct pipe_scissor_state scissor_states[PIPE_MAX_VIEWPORTS];
106    VkViewport viewports[PIPE_MAX_VIEWPORTS];
107    VkRect2D scissors[PIPE_MAX_VIEWPORTS];
108    unsigned num_viewports;
109 
110    struct pipe_vertex_buffer buffers[PIPE_MAX_ATTRIBS];
111    uint32_t buffers_enabled_mask;
112 
113    void *sampler_states[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
114    VkSampler samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
115    unsigned num_samplers[PIPE_SHADER_TYPES];
116    struct pipe_sampler_view *image_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
117    unsigned num_image_views[PIPE_SHADER_TYPES];
118 
119    float line_width;
120    float blend_constants[4];
121 
122    struct pipe_stencil_ref stencil_ref;
123 
124    struct list_head suspended_queries;
125    bool queries_disabled;
126 
127    struct pipe_resource *dummy_buffer;
128    struct pipe_resource *null_buffers[5]; /* used to create zink_framebuffer->null_surface, one buffer per samplecount */
129 
130    uint32_t num_so_targets;
131    struct pipe_stream_output_target *so_targets[PIPE_MAX_SO_OUTPUTS];
132    bool dirty_so_targets;
133    bool xfb_barrier;
134 };
135 
136 static inline struct zink_context *
zink_context(struct pipe_context * context)137 zink_context(struct pipe_context *context)
138 {
139    return (struct zink_context *)context;
140 }
141 
142 static inline struct zink_batch *
zink_curr_batch(struct zink_context * ctx)143 zink_curr_batch(struct zink_context *ctx)
144 {
145    assert(ctx->curr_batch < ARRAY_SIZE(ctx->batches));
146    return ctx->batches + ctx->curr_batch;
147 }
148 
149 struct zink_batch *
150 zink_batch_rp(struct zink_context *ctx);
151 
152 struct zink_batch *
153 zink_batch_no_rp(struct zink_context *ctx);
154 
155 void
156 zink_resource_barrier(VkCommandBuffer cmdbuf, struct zink_resource *res,
157                       VkImageAspectFlags aspect, VkImageLayout new_layout);
158 
159  void
160  zink_begin_render_pass(struct zink_context *ctx,
161                         struct zink_batch *batch);
162 
163 
164 VkShaderStageFlagBits
165 zink_shader_stage(enum pipe_shader_type type);
166 
167 struct pipe_context *
168 zink_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
169 
170 void
171 zink_context_query_init(struct pipe_context *ctx);
172 
173 void
174 zink_blit(struct pipe_context *pctx,
175           const struct pipe_blit_info *info);
176 
177 void
178 zink_draw_vbo(struct pipe_context *pctx,
179               const struct pipe_draw_info *dinfo);
180 
181 #endif
182