1 /*
2 * Copyright (c) 2012-2015 Etnaviv Project
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, sub license,
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
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the 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 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
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 * Christian Gmeiner <christian.gmeiner@gmail.com>
26 */
27
28 #ifndef H_ETNAVIV_CONTEXT
29 #define H_ETNAVIV_CONTEXT
30
31 #include <stdint.h>
32
33 #include "etnaviv_resource.h"
34 #include "etnaviv_tiling.h"
35 #include "pipe/p_context.h"
36 #include "pipe/p_defines.h"
37 #include "util/format/u_formats.h"
38 #include "pipe/p_shader_tokens.h"
39 #include "pipe/p_state.h"
40 #include "util/slab.h"
41 #include <util/u_suballoc.h>
42
43 struct pipe_screen;
44 struct etna_shader_variant;
45 struct etna_sampler_ts;
46
47 struct etna_index_buffer {
48 struct etna_reloc FE_INDEX_STREAM_BASE_ADDR;
49 uint32_t FE_INDEX_STREAM_CONTROL;
50 uint32_t FE_PRIMITIVE_RESTART_INDEX;
51 };
52
53 struct etna_shader_input {
54 int vs_reg; /* VS input register */
55 };
56
57 enum etna_varying_special {
58 ETNA_VARYING_VSOUT = 0, /* from VS */
59 ETNA_VARYING_POINTCOORD, /* point texture coord */
60 };
61
62 struct etna_shader_varying {
63 int num_components;
64 enum etna_varying_special special;
65 int pa_attributes;
66 int vs_reg; /* VS output register */
67 };
68
69 struct etna_transfer {
70 struct pipe_transfer base;
71 struct pipe_resource *rsc;
72 void *staging;
73 void *mapped;
74 };
75
76 struct etna_constbuf_state {
77 struct pipe_constant_buffer cb[ETNA_MAX_CONST_BUF];
78 uint32_t enabled_mask;
79 };
80
81 struct etna_vertexbuf_state {
82 struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
83 struct compiled_set_vertex_buffer cvb[PIPE_MAX_ATTRIBS];
84 unsigned count;
85 uint32_t enabled_mask;
86 };
87
88 struct etna_shader_state {
89 void *bind_vs, *bind_fs;
90 struct etna_shader_variant *vs, *fs;
91 };
92
93 enum etna_uniform_contents {
94 ETNA_UNIFORM_UNUSED = 0,
95 ETNA_UNIFORM_CONSTANT,
96 ETNA_UNIFORM_UNIFORM,
97 ETNA_UNIFORM_TEXRECT_SCALE_X,
98 ETNA_UNIFORM_TEXRECT_SCALE_Y,
99 ETNA_UNIFORM_TEXTURE_WIDTH,
100 ETNA_UNIFORM_TEXTURE_HEIGHT,
101 ETNA_UNIFORM_TEXTURE_DEPTH,
102 ETNA_UNIFORM_UBO_ADDR,
103 };
104
105 struct etna_shader_uniform_info {
106 enum etna_uniform_contents *contents;
107 uint32_t *data;
108 uint32_t count;
109 };
110
111 struct etna_context {
112 struct pipe_context base;
113
114 /* GPU-specific implementation to emit texture state */
115 void (*emit_texture_state)(struct etna_context *pctx);
116 /* Get sampler TS pointer for sampler view */
117 struct etna_sampler_ts *(*ts_for_sampler_view)(struct pipe_sampler_view *pview);
118 /* GPU-specific blit implementation */
119 bool (*blit)(struct pipe_context *pipe, const struct pipe_blit_info *info);
120
121 struct etna_screen *screen;
122 struct etna_cmd_stream *stream;
123
124 /* which state objects need to be re-emit'd: */
125 enum {
126 ETNA_DIRTY_BLEND = (1 << 0),
127 ETNA_DIRTY_SAMPLERS = (1 << 1),
128 ETNA_DIRTY_RASTERIZER = (1 << 2),
129 ETNA_DIRTY_ZSA = (1 << 3),
130 ETNA_DIRTY_VERTEX_ELEMENTS = (1 << 4),
131 ETNA_DIRTY_BLEND_COLOR = (1 << 6),
132 ETNA_DIRTY_STENCIL_REF = (1 << 7),
133 ETNA_DIRTY_SAMPLE_MASK = (1 << 8),
134 ETNA_DIRTY_VIEWPORT = (1 << 9),
135 ETNA_DIRTY_FRAMEBUFFER = (1 << 10),
136 ETNA_DIRTY_SCISSOR = (1 << 11),
137 ETNA_DIRTY_SAMPLER_VIEWS = (1 << 12),
138 ETNA_DIRTY_CONSTBUF = (1 << 13),
139 ETNA_DIRTY_VERTEX_BUFFERS = (1 << 14),
140 ETNA_DIRTY_INDEX_BUFFER = (1 << 15),
141 ETNA_DIRTY_SHADER = (1 << 16),
142 ETNA_DIRTY_TS = (1 << 17),
143 ETNA_DIRTY_TEXTURE_CACHES = (1 << 18),
144 ETNA_DIRTY_DERIVE_TS = (1 << 19),
145 ETNA_DIRTY_SCISSOR_CLIP = (1 << 20),
146 ETNA_DIRTY_SHADER_CACHES = (1 << 21),
147 } dirty;
148
149 struct slab_child_pool transfer_pool;
150 struct u_suballocator tex_desc_allocator;
151 struct blitter_context *blitter;
152
153 /* compiled bindable state */
154 unsigned sample_mask;
155 struct pipe_blend_state *blend;
156 unsigned num_fragment_samplers;
157 uint32_t active_samplers;
158 uint32_t prev_active_samplers;
159 struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
160 struct pipe_rasterizer_state *rasterizer;
161 struct pipe_depth_stencil_alpha_state *zsa;
162 struct compiled_vertex_elements_state *vertex_elements;
163 struct compiled_shader_state shader_state;
164 struct pipe_scissor_state clipping;
165
166 /* to simplify the emit process we store pre compiled state objects,
167 * which got 'compiled' during state change. */
168 struct compiled_blend_color blend_color;
169 struct compiled_stencil_ref stencil_ref;
170 struct compiled_framebuffer_state framebuffer;
171 struct compiled_viewport_state viewport;
172 unsigned num_fragment_sampler_views;
173 uint32_t active_sampler_views;
174 uint32_t dirty_sampler_views;
175 struct pipe_sampler_view *sampler_view[PIPE_MAX_SAMPLERS];
176 struct etna_constbuf_state constant_buffer[PIPE_SHADER_TYPES];
177 struct etna_vertexbuf_state vertex_buffer;
178 struct etna_index_buffer index_buffer;
179 struct etna_shader_state shader;
180
181 /* saved parameter-like state. these are mainly kept around for the blitter */
182 struct pipe_framebuffer_state framebuffer_s;
183 struct pipe_stencil_ref stencil_ref_s;
184 struct pipe_viewport_state viewport_s;
185 struct pipe_scissor_state scissor;
186
187 /* stats/counters */
188 struct {
189 uint64_t prims_generated;
190 uint64_t draw_calls;
191 uint64_t rs_operations;
192 } stats;
193
194 int in_fence_fd;
195
196 /* list of accumulated HW queries */
197 struct list_head active_acc_queries;
198
199 /* set of resources used by currently-unsubmitted renders */
200 struct hash_table *pending_resources;
201
202 /* resources that must be flushed implicitly at the context flush time */
203 struct set *flush_resources;
204 /* resources that need to be updated after a context flush */
205 struct set *updated_resources;
206
207 bool is_noop;
208
209 bool compute_only;
210
211 /* conditional rendering */
212 struct pipe_query *cond_query;
213 bool cond_cond; /* inverted rendering condition */
214 uint cond_mode;
215 };
216
217 static inline struct etna_context *
etna_context(struct pipe_context * pctx)218 etna_context(struct pipe_context *pctx)
219 {
220 return (struct etna_context *)pctx;
221 }
222
223 static inline struct etna_transfer *
etna_transfer(struct pipe_transfer * p)224 etna_transfer(struct pipe_transfer *p)
225 {
226 return (struct etna_transfer *)p;
227 }
228
229 struct pipe_context *
230 etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
231
232 void
233 etna_context_add_flush_resource(struct etna_context *ctx,
234 struct pipe_resource *rsc);
235
236 void
237 etna_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
238 enum pipe_flush_flags flags, bool internal);
239
240 bool
241 etna_render_condition_check(struct pipe_context *pctx);
242
243 #endif
244