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 "indices/u_primconvert.h"
36 #include "pipe/p_context.h"
37 #include "pipe/p_defines.h"
38 #include "pipe/p_format.h"
39 #include "pipe/p_shader_tokens.h"
40 #include "pipe/p_state.h"
41 #include "util/slab.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_immediate_contents {
94 ETNA_IMMEDIATE_UNUSED = 0,
95 ETNA_IMMEDIATE_CONSTANT,
96 ETNA_IMMEDIATE_UNIFORM,
97 ETNA_IMMEDIATE_TEXRECT_SCALE_X,
98 ETNA_IMMEDIATE_TEXRECT_SCALE_Y,
99 ETNA_IMMEDIATE_UBO0_ADDR,
100 ETNA_IMMEDIATE_UBOMAX_ADDR = ETNA_IMMEDIATE_UBO0_ADDR + ETNA_MAX_CONST_BUF - 1,
101 };
102
103 struct etna_shader_uniform_info {
104 enum etna_immediate_contents *imm_contents;
105 uint32_t *imm_data;
106 uint32_t imm_count;
107 };
108
109 struct etna_context {
110 struct pipe_context base;
111
112 /* GPU-specific implementation to emit texture state */
113 void (*emit_texture_state)(struct etna_context *pctx);
114 /* Get sampler TS pointer for sampler view */
115 struct etna_sampler_ts *(*ts_for_sampler_view)(struct pipe_sampler_view *pview);
116 /* GPU-specific blit implementation */
117 bool (*blit)(struct pipe_context *pipe, const struct pipe_blit_info *info);
118
119 struct etna_screen *screen;
120 struct etna_cmd_stream *stream;
121
122 /* which state objects need to be re-emit'd: */
123 enum {
124 ETNA_DIRTY_BLEND = (1 << 0),
125 ETNA_DIRTY_SAMPLERS = (1 << 1),
126 ETNA_DIRTY_RASTERIZER = (1 << 2),
127 ETNA_DIRTY_ZSA = (1 << 3),
128 ETNA_DIRTY_VERTEX_ELEMENTS = (1 << 4),
129 ETNA_DIRTY_BLEND_COLOR = (1 << 6),
130 ETNA_DIRTY_STENCIL_REF = (1 << 7),
131 ETNA_DIRTY_SAMPLE_MASK = (1 << 8),
132 ETNA_DIRTY_VIEWPORT = (1 << 9),
133 ETNA_DIRTY_FRAMEBUFFER = (1 << 10),
134 ETNA_DIRTY_SCISSOR = (1 << 11),
135 ETNA_DIRTY_SAMPLER_VIEWS = (1 << 12),
136 ETNA_DIRTY_CONSTBUF = (1 << 13),
137 ETNA_DIRTY_VERTEX_BUFFERS = (1 << 14),
138 ETNA_DIRTY_INDEX_BUFFER = (1 << 15),
139 ETNA_DIRTY_SHADER = (1 << 16),
140 ETNA_DIRTY_TS = (1 << 17),
141 ETNA_DIRTY_TEXTURE_CACHES = (1 << 18),
142 ETNA_DIRTY_DERIVE_TS = (1 << 19),
143 ETNA_DIRTY_SCISSOR_CLIP = (1 << 20),
144 } dirty;
145
146 uint32_t prim_hwsupport;
147 struct primconvert_context *primconvert;
148
149 struct slab_child_pool transfer_pool;
150 struct blitter_context *blitter;
151
152 /* compiled bindable state */
153 unsigned sample_mask;
154 struct pipe_blend_state *blend;
155 unsigned num_fragment_samplers;
156 uint32_t active_samplers;
157 struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
158 struct pipe_rasterizer_state *rasterizer;
159 struct pipe_depth_stencil_alpha_state *zsa;
160 struct compiled_vertex_elements_state *vertex_elements;
161 struct compiled_shader_state shader_state;
162 struct pipe_scissor_state clipping;
163
164 /* to simplify the emit process we store pre compiled state objects,
165 * which got 'compiled' during state change. */
166 struct compiled_blend_color blend_color;
167 struct compiled_stencil_ref stencil_ref;
168 struct compiled_framebuffer_state framebuffer;
169 struct compiled_viewport_state viewport;
170 unsigned num_fragment_sampler_views;
171 uint32_t active_sampler_views;
172 uint32_t dirty_sampler_views;
173 struct pipe_sampler_view *sampler_view[PIPE_MAX_SAMPLERS];
174 struct etna_constbuf_state constant_buffer[PIPE_SHADER_TYPES];
175 struct etna_vertexbuf_state vertex_buffer;
176 struct etna_index_buffer index_buffer;
177 struct etna_shader_state shader;
178
179 /* saved parameter-like state. these are mainly kept around for the blitter */
180 struct pipe_framebuffer_state framebuffer_s;
181 struct pipe_stencil_ref stencil_ref_s;
182 struct pipe_viewport_state viewport_s;
183 struct pipe_scissor_state scissor;
184
185 /* stats/counters */
186 struct {
187 uint64_t prims_generated;
188 uint64_t draw_calls;
189 uint64_t rs_operations;
190 } stats;
191
192 struct pipe_debug_callback debug;
193 int in_fence_fd;
194
195 /* list of accumulated HW queries */
196 struct list_head active_acc_queries;
197
198 struct etna_bo *dummy_rt;
199 struct etna_reloc dummy_rt_reloc;
200
201 /* Dummy texture descriptor (if needed) */
202 struct etna_bo *dummy_desc_bo;
203 struct etna_reloc DUMMY_DESC_ADDR;
204
205 /* set of resources used by currently-unsubmitted renders */
206 struct set *used_resources_read;
207 struct set *used_resources_write;
208
209 mtx_t lock;
210 };
211
212 static inline struct etna_context *
etna_context(struct pipe_context * pctx)213 etna_context(struct pipe_context *pctx)
214 {
215 return (struct etna_context *)pctx;
216 }
217
218 static inline struct etna_transfer *
etna_transfer(struct pipe_transfer * p)219 etna_transfer(struct pipe_transfer *p)
220 {
221 return (struct etna_transfer *)p;
222 }
223
224 struct pipe_context *
225 etna_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags);
226
227 #endif
228