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 "pipe/p_format.h"
38 #include "pipe/p_shader_tokens.h"
39 #include "pipe/p_state.h"
40 #include "util/slab.h"
41
42 struct pipe_screen;
43 struct etna_shader_variant;
44 struct etna_sampler_ts;
45
46 struct etna_index_buffer {
47 struct etna_reloc FE_INDEX_STREAM_BASE_ADDR;
48 uint32_t FE_INDEX_STREAM_CONTROL;
49 uint32_t FE_PRIMITIVE_RESTART_INDEX;
50 };
51
52 struct etna_shader_input {
53 int vs_reg; /* VS input register */
54 };
55
56 enum etna_varying_special {
57 ETNA_VARYING_VSOUT = 0, /* from VS */
58 ETNA_VARYING_POINTCOORD, /* point texture coord */
59 };
60
61 struct etna_shader_varying {
62 int num_components;
63 enum etna_varying_special special;
64 int pa_attributes;
65 int vs_reg; /* VS output register */
66 };
67
68 struct etna_transfer {
69 struct pipe_transfer base;
70 struct pipe_resource *rsc;
71 void *staging;
72 void *mapped;
73 };
74
75 struct etna_constbuf_state {
76 struct pipe_constant_buffer cb[ETNA_MAX_CONST_BUF];
77 uint32_t enabled_mask;
78 };
79
80 struct etna_vertexbuf_state {
81 struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
82 struct compiled_set_vertex_buffer cvb[PIPE_MAX_ATTRIBS];
83 unsigned count;
84 uint32_t enabled_mask;
85 };
86
87 struct etna_shader_state {
88 void *bind_vs, *bind_fs;
89 struct etna_shader_variant *vs, *fs;
90 };
91
92 enum etna_uniform_contents {
93 ETNA_UNIFORM_UNUSED = 0,
94 ETNA_UNIFORM_CONSTANT,
95 ETNA_UNIFORM_UNIFORM,
96 ETNA_UNIFORM_TEXRECT_SCALE_X,
97 ETNA_UNIFORM_TEXRECT_SCALE_Y,
98 ETNA_UNIFORM_UBO0_ADDR,
99 ETNA_UNIFORM_UBOMAX_ADDR = ETNA_UNIFORM_UBO0_ADDR + ETNA_MAX_CONST_BUF - 1,
100 };
101
102 struct etna_shader_uniform_info {
103 enum etna_uniform_contents *contents;
104 uint32_t *data;
105 uint32_t count;
106 };
107
108 struct etna_context {
109 struct pipe_context base;
110
111 /* GPU-specific implementation to emit texture state */
112 void (*emit_texture_state)(struct etna_context *pctx);
113 /* Get sampler TS pointer for sampler view */
114 struct etna_sampler_ts *(*ts_for_sampler_view)(struct pipe_sampler_view *pview);
115 /* GPU-specific blit implementation */
116 bool (*blit)(struct pipe_context *pipe, const struct pipe_blit_info *info);
117
118 struct etna_screen *screen;
119 struct etna_cmd_stream *stream;
120
121 /* which state objects need to be re-emit'd: */
122 enum {
123 ETNA_DIRTY_BLEND = (1 << 0),
124 ETNA_DIRTY_SAMPLERS = (1 << 1),
125 ETNA_DIRTY_RASTERIZER = (1 << 2),
126 ETNA_DIRTY_ZSA = (1 << 3),
127 ETNA_DIRTY_VERTEX_ELEMENTS = (1 << 4),
128 ETNA_DIRTY_BLEND_COLOR = (1 << 6),
129 ETNA_DIRTY_STENCIL_REF = (1 << 7),
130 ETNA_DIRTY_SAMPLE_MASK = (1 << 8),
131 ETNA_DIRTY_VIEWPORT = (1 << 9),
132 ETNA_DIRTY_FRAMEBUFFER = (1 << 10),
133 ETNA_DIRTY_SCISSOR = (1 << 11),
134 ETNA_DIRTY_SAMPLER_VIEWS = (1 << 12),
135 ETNA_DIRTY_CONSTBUF = (1 << 13),
136 ETNA_DIRTY_VERTEX_BUFFERS = (1 << 14),
137 ETNA_DIRTY_INDEX_BUFFER = (1 << 15),
138 ETNA_DIRTY_SHADER = (1 << 16),
139 ETNA_DIRTY_TS = (1 << 17),
140 ETNA_DIRTY_TEXTURE_CACHES = (1 << 18),
141 ETNA_DIRTY_DERIVE_TS = (1 << 19),
142 ETNA_DIRTY_SCISSOR_CLIP = (1 << 20),
143 } dirty;
144
145 struct slab_child_pool transfer_pool;
146 struct blitter_context *blitter;
147
148 /* compiled bindable state */
149 unsigned sample_mask;
150 struct pipe_blend_state *blend;
151 unsigned num_fragment_samplers;
152 uint32_t active_samplers;
153 struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
154 struct pipe_rasterizer_state *rasterizer;
155 struct pipe_depth_stencil_alpha_state *zsa;
156 struct compiled_vertex_elements_state *vertex_elements;
157 struct compiled_shader_state shader_state;
158 struct pipe_scissor_state clipping;
159
160 /* to simplify the emit process we store pre compiled state objects,
161 * which got 'compiled' during state change. */
162 struct compiled_blend_color blend_color;
163 struct compiled_stencil_ref stencil_ref;
164 struct compiled_framebuffer_state framebuffer;
165 struct compiled_viewport_state viewport;
166 unsigned num_fragment_sampler_views;
167 uint32_t active_sampler_views;
168 uint32_t dirty_sampler_views;
169 struct pipe_sampler_view *sampler_view[PIPE_MAX_SAMPLERS];
170 struct etna_constbuf_state constant_buffer[PIPE_SHADER_TYPES];
171 struct etna_vertexbuf_state vertex_buffer;
172 struct etna_index_buffer index_buffer;
173 struct etna_shader_state shader;
174
175 /* saved parameter-like state. these are mainly kept around for the blitter */
176 struct pipe_framebuffer_state framebuffer_s;
177 struct pipe_stencil_ref stencil_ref_s;
178 struct pipe_viewport_state viewport_s;
179 struct pipe_scissor_state scissor;
180
181 /* stats/counters */
182 struct {
183 uint64_t prims_generated;
184 uint64_t draw_calls;
185 uint64_t rs_operations;
186 } stats;
187
188 struct pipe_debug_callback debug;
189 int in_fence_fd;
190
191 /* list of accumulated HW queries */
192 struct list_head active_acc_queries;
193
194 struct etna_bo *dummy_rt;
195 struct etna_reloc dummy_rt_reloc;
196
197 /* Dummy texture descriptor (if needed) */
198 struct etna_bo *dummy_desc_bo;
199 struct etna_reloc DUMMY_DESC_ADDR;
200
201 /* set of resources used by currently-unsubmitted renders */
202 struct set *used_resources_read;
203 struct set *used_resources_write;
204
205 /* resources that must be flushed implicitly at the context flush time */
206 struct set *flush_resources;
207
208 mtx_t lock;
209 };
210
211 static inline struct etna_context *
etna_context(struct pipe_context * pctx)212 etna_context(struct pipe_context *pctx)
213 {
214 return (struct etna_context *)pctx;
215 }
216
217 static inline struct etna_transfer *
etna_transfer(struct pipe_transfer * p)218 etna_transfer(struct pipe_transfer *p)
219 {
220 return (struct etna_transfer *)p;
221 }
222
223 struct pipe_context *
224 etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
225
226 #endif
227