2 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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, sublicense,
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:
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
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 NONINFRINGEMENT. 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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Rob Clark <robclark@freedesktop.org>
27 #ifndef FREEDRENO_CONTEXT_H_
28 #define FREEDRENO_CONTEXT_H_
30 #include "pipe/p_context.h"
31 #include "indices/u_primconvert.h"
32 #include "util/u_blitter.h"
33 #include "util/list.h"
34 #include "util/slab.h"
35 #include "util/u_string.h"
37 #include "freedreno_batch.h"
38 #include "freedreno_screen.h"
39 #include "freedreno_gmem.h"
40 #include "freedreno_util.h"
42 #define BORDER_COLOR_UPLOAD_SIZE (2 * PIPE_MAX_SAMPLERS * BORDERCOLOR_SIZE)
44 struct fd_vertex_stateobj
;
46 struct fd_texture_stateobj
{
47 struct pipe_sampler_view
*textures
[PIPE_MAX_SAMPLERS
];
48 unsigned num_textures
;
49 unsigned valid_textures
;
50 struct pipe_sampler_state
*samplers
[PIPE_MAX_SAMPLERS
];
51 unsigned num_samplers
;
52 unsigned valid_samplers
;
53 /* number of samples per sampler, 2 bits per sampler: */
57 struct fd_program_stateobj
{
61 struct fd_constbuf_stateobj
{
62 struct pipe_constant_buffer cb
[PIPE_MAX_CONSTANT_BUFFERS
];
63 uint32_t enabled_mask
;
66 struct fd_shaderbuf_stateobj
{
67 struct pipe_shader_buffer sb
[PIPE_MAX_SHADER_BUFFERS
];
68 uint32_t enabled_mask
;
71 struct fd_shaderimg_stateobj
{
72 struct pipe_image_view si
[PIPE_MAX_SHADER_IMAGES
];
73 uint32_t enabled_mask
;
76 struct fd_vertexbuf_stateobj
{
77 struct pipe_vertex_buffer vb
[PIPE_MAX_ATTRIBS
];
79 uint32_t enabled_mask
;
82 struct fd_vertex_stateobj
{
83 struct pipe_vertex_element pipe
[PIPE_MAX_ATTRIBS
];
84 unsigned num_elements
;
87 struct fd_streamout_stateobj
{
88 struct pipe_stream_output_target
*targets
[PIPE_MAX_SO_BUFFERS
];
90 /* Track offset from vtxcnt for streamout data. This counter
91 * is just incremented by # of vertices on each draw until
92 * reset or new streamout buffer bound.
94 * When we eventually have GS, the CPU won't actually know the
95 * number of vertices per draw, so I think we'll have to do
96 * something more clever.
98 unsigned offsets
[PIPE_MAX_SO_BUFFERS
];
101 #define MAX_GLOBAL_BUFFERS 16
102 struct fd_global_bindings_stateobj
{
103 struct pipe_resource
*buf
[MAX_GLOBAL_BUFFERS
];
104 uint32_t enabled_mask
;
107 /* group together the vertex and vertexbuf state.. for ease of passing
108 * around, and because various internal operations (gmem<->mem, etc)
109 * need their own vertex state:
111 struct fd_vertex_state
{
112 struct fd_vertex_stateobj
*vtx
;
113 struct fd_vertexbuf_stateobj vertexbuf
;
116 /* global 3d pipeline dirty state: */
117 enum fd_dirty_3d_state
{
118 FD_DIRTY_BLEND
= BIT(0),
119 FD_DIRTY_RASTERIZER
= BIT(1),
120 FD_DIRTY_ZSA
= BIT(2),
121 FD_DIRTY_BLEND_COLOR
= BIT(3),
122 FD_DIRTY_STENCIL_REF
= BIT(4),
123 FD_DIRTY_SAMPLE_MASK
= BIT(5),
124 FD_DIRTY_FRAMEBUFFER
= BIT(6),
125 FD_DIRTY_STIPPLE
= BIT(7),
126 FD_DIRTY_VIEWPORT
= BIT(8),
127 FD_DIRTY_VTXSTATE
= BIT(9),
128 FD_DIRTY_VTXBUF
= BIT(10),
129 FD_DIRTY_MIN_SAMPLES
= BIT(11),
131 FD_DIRTY_SCISSOR
= BIT(12),
132 FD_DIRTY_STREAMOUT
= BIT(13),
133 FD_DIRTY_UCP
= BIT(14),
134 FD_DIRTY_BLEND_DUAL
= BIT(15),
136 /* These are a bit redundent with fd_dirty_shader_state, and possibly
137 * should be removed. (But OTOH kinda convenient in some places)
139 FD_DIRTY_PROG
= BIT(16),
140 FD_DIRTY_CONST
= BIT(17),
141 FD_DIRTY_TEX
= BIT(18),
143 /* only used by a2xx.. possibly can be removed.. */
144 FD_DIRTY_TEXSTATE
= BIT(19),
147 /* per shader-stage dirty state: */
148 enum fd_dirty_shader_state
{
149 FD_DIRTY_SHADER_PROG
= BIT(0),
150 FD_DIRTY_SHADER_CONST
= BIT(1),
151 FD_DIRTY_SHADER_TEX
= BIT(2),
152 FD_DIRTY_SHADER_SSBO
= BIT(3),
153 FD_DIRTY_SHADER_IMAGE
= BIT(4),
157 struct pipe_context base
;
159 struct fd_device
*dev
;
160 struct fd_screen
*screen
;
161 struct fd_pipe
*pipe
;
163 struct util_queue flush_queue
;
165 struct blitter_context
*blitter
;
166 void *clear_rs_state
;
167 struct primconvert_context
*primconvert
;
169 /* slab for pipe_transfer allocations: */
170 struct slab_child_pool transfer_pool
;
173 * query related state:
176 /* slabs for fd_hw_sample and fd_hw_sample_period allocations: */
177 struct slab_mempool sample_pool
;
178 struct slab_mempool sample_period_pool
;
180 /* sample-providers for hw queries: */
181 const struct fd_hw_sample_provider
*hw_sample_providers
[MAX_HW_SAMPLE_PROVIDERS
];
183 /* list of active queries: */
184 struct list_head hw_active_queries
;
186 /* sample-providers for accumulating hw queries: */
187 const struct fd_acc_sample_provider
*acc_sample_providers
[MAX_HW_SAMPLE_PROVIDERS
];
189 /* list of active accumulating queries: */
190 struct list_head acc_active_queries
;
193 /* table with PIPE_PRIM_MAX entries mapping PIPE_PRIM_x to
194 * DI_PT_x value to use for draw initiator. There are some
195 * slight differences between generation:
197 const uint8_t *primtypes
;
198 uint32_t primtype_mask
;
200 /* shaders used by clear, and gmem->mem blits: */
201 struct fd_program_stateobj solid_prog
; // TODO move to screen?
203 /* shaders used by mem->gmem blits: */
204 struct fd_program_stateobj blit_prog
[MAX_RENDER_TARGETS
]; // TODO move to screen?
205 struct fd_program_stateobj blit_z
, blit_zs
;
210 uint64_t prims_emitted
;
211 uint64_t prims_generated
;
213 uint64_t batch_total
, batch_sysmem
, batch_gmem
, batch_nondraw
, batch_restore
;
214 uint64_t staging_uploads
, shadow_uploads
;
215 uint64_t vs_regs
, fs_regs
;
218 /* Current batch.. the rule here is that you can deref ctx->batch
219 * in codepaths from pipe_context entrypoints. But not in code-
220 * paths from fd_batch_flush() (basically, the stuff that gets
221 * called from GMEM code), since in those code-paths the batch
222 * you care about is not necessarily the same as ctx->batch.
224 struct fd_batch
*batch
;
226 /* NULL if there has been rendering since last flush. Otherwise
227 * keeps a reference to the last fence so we can re-use it rather
228 * than having to flush no-op batch.
230 struct pipe_fence_handle
*last_fence
;
232 /* track last known reset status globally and per-context to
233 * determine if more resets occurred since then. If global reset
234 * count increases, it means some other context crashed. If
235 * per-context reset count increases, it means we crashed the
238 uint32_t context_reset_count
, global_reset_count
;
240 /* Are we in process of shadowing a resource? Used to detect recursion
241 * in transfer_map, and skip unneeded synchronization.
245 /* Ie. in blit situation where we no longer care about previous framebuffer
246 * contents. Main point is to eliminate blits from fd_try_shadow_resource().
247 * For example, in case of texture upload + gen-mipmaps.
251 struct pipe_scissor_state scissor
;
253 /* we don't have a disable/enable bit for scissor, so instead we keep
254 * a disabled-scissor state which matches the entire bound framebuffer
255 * and use that when scissor is not enabled.
257 struct pipe_scissor_state disabled_scissor
;
259 /* Current gmem/tiling configuration.. gets updated on render_tiles()
260 * if out of date with current maximal-scissor/cpp:
262 * (NOTE: this is kind of related to the batch, but moving it there
263 * means we'd always have to recalc tiles ever batch)
265 struct fd_gmem_stateobj gmem
;
266 struct fd_vsc_pipe vsc_pipe
[32];
267 struct fd_tile tile
[512];
269 /* which state objects need to be re-emit'd: */
270 enum fd_dirty_3d_state dirty
;
272 /* per shader-stage dirty status: */
273 enum fd_dirty_shader_state dirty_shader
[PIPE_SHADER_TYPES
];
276 struct pipe_blend_state
*blend
;
277 struct pipe_rasterizer_state
*rasterizer
;
278 struct pipe_depth_stencil_alpha_state
*zsa
;
280 struct fd_texture_stateobj tex
[PIPE_SHADER_TYPES
];
282 struct fd_program_stateobj prog
;
284 struct fd_vertex_state vtx
;
286 struct pipe_blend_color blend_color
;
287 struct pipe_stencil_ref stencil_ref
;
288 unsigned sample_mask
;
289 unsigned min_samples
;
290 /* local context fb state, for when ctx->batch is null: */
291 struct pipe_framebuffer_state framebuffer
;
292 struct pipe_poly_stipple stipple
;
293 struct pipe_viewport_state viewport
;
294 struct pipe_scissor_state viewport_scissor
;
295 struct fd_constbuf_stateobj constbuf
[PIPE_SHADER_TYPES
];
296 struct fd_shaderbuf_stateobj shaderbuf
[PIPE_SHADER_TYPES
];
297 struct fd_shaderimg_stateobj shaderimg
[PIPE_SHADER_TYPES
];
298 struct fd_streamout_stateobj streamout
;
299 struct fd_global_bindings_stateobj global_bindings
;
300 struct pipe_clip_state ucp
;
302 struct pipe_query
*cond_query
;
303 bool cond_cond
; /* inverted rendering condition */
306 struct pipe_debug_callback debug
;
308 /* GMEM/tile handling fxns: */
309 void (*emit_tile_init
)(struct fd_batch
*batch
);
310 void (*emit_tile_prep
)(struct fd_batch
*batch
, struct fd_tile
*tile
);
311 void (*emit_tile_mem2gmem
)(struct fd_batch
*batch
, struct fd_tile
*tile
);
312 void (*emit_tile_renderprep
)(struct fd_batch
*batch
, struct fd_tile
*tile
);
313 void (*emit_tile
)(struct fd_batch
*batch
, struct fd_tile
*tile
);
314 void (*emit_tile_gmem2mem
)(struct fd_batch
*batch
, struct fd_tile
*tile
);
315 void (*emit_tile_fini
)(struct fd_batch
*batch
); /* optional */
317 /* optional, for GMEM bypass: */
318 void (*emit_sysmem_prep
)(struct fd_batch
*batch
);
319 void (*emit_sysmem_fini
)(struct fd_batch
*batch
);
322 bool (*draw_vbo
)(struct fd_context
*ctx
, const struct pipe_draw_info
*info
,
323 unsigned index_offset
);
324 bool (*clear
)(struct fd_context
*ctx
, unsigned buffers
,
325 const union pipe_color_union
*color
, double depth
, unsigned stencil
);
328 void (*launch_grid
)(struct fd_context
*ctx
, const struct pipe_grid_info
*info
);
331 struct fd_query
* (*create_query
)(struct fd_context
*ctx
, unsigned query_type
);
332 void (*query_prepare
)(struct fd_batch
*batch
, uint32_t num_tiles
);
333 void (*query_prepare_tile
)(struct fd_batch
*batch
, uint32_t n
,
334 struct fd_ringbuffer
*ring
);
335 void (*query_set_stage
)(struct fd_batch
*batch
, enum fd_render_stage stage
);
338 bool (*blit
)(struct fd_context
*ctx
, const struct pipe_blit_info
*info
);
340 /* handling for barriers: */
341 void (*framebuffer_barrier
)(struct fd_context
*ctx
);
344 * Common pre-cooked VBO state (used for a3xx and later):
347 /* for clear/gmem->mem vertices, and mem->gmem */
348 struct pipe_resource
*solid_vbuf
;
350 /* for mem->gmem tex coords: */
351 struct pipe_resource
*blit_texcoord_vbuf
;
353 /* vertex state for solid_vbuf:
354 * - solid_vbuf / 12 / R32G32B32_FLOAT
356 struct fd_vertex_state solid_vbuf_state
;
358 /* vertex state for blit_prog:
359 * - blit_texcoord_vbuf / 8 / R32G32_FLOAT
360 * - solid_vbuf / 12 / R32G32B32_FLOAT
362 struct fd_vertex_state blit_vbuf_state
;
365 static inline struct fd_context
*
366 fd_context(struct pipe_context
*pctx
)
368 return (struct fd_context
*)pctx
;
372 fd_context_assert_locked(struct fd_context
*ctx
)
374 pipe_mutex_assert_locked(ctx
->screen
->lock
);
378 fd_context_lock(struct fd_context
*ctx
)
380 mtx_lock(&ctx
->screen
->lock
);
384 fd_context_unlock(struct fd_context
*ctx
)
386 mtx_unlock(&ctx
->screen
->lock
);
389 /* mark all state dirty: */
391 fd_context_all_dirty(struct fd_context
*ctx
)
394 for (unsigned i
= 0; i
< PIPE_SHADER_TYPES
; i
++)
395 ctx
->dirty_shader
[i
] = ~0;
399 fd_context_all_clean(struct fd_context
*ctx
)
402 for (unsigned i
= 0; i
< PIPE_SHADER_TYPES
; i
++) {
403 /* don't mark compute state as clean, since it is not emitted
404 * during normal draw call. The places that call _all_dirty(),
405 * it is safe to mark compute state dirty as well, but the
406 * inverse is not true.
408 if (i
== PIPE_SHADER_COMPUTE
)
410 ctx
->dirty_shader
[i
] = 0;
414 static inline struct pipe_scissor_state
*
415 fd_context_get_scissor(struct fd_context
*ctx
)
417 if (ctx
->rasterizer
&& ctx
->rasterizer
->scissor
)
418 return &ctx
->scissor
;
419 return &ctx
->disabled_scissor
;
423 fd_supported_prim(struct fd_context
*ctx
, unsigned prim
)
425 return (1 << prim
) & ctx
->primtype_mask
;
428 static inline struct fd_batch
*
429 fd_context_batch(struct fd_context
*ctx
)
431 if (unlikely(!ctx
->batch
)) {
432 struct fd_batch
*batch
=
433 fd_batch_from_fb(&ctx
->screen
->batch_cache
, ctx
, &ctx
->framebuffer
);
434 util_copy_framebuffer_state(&batch
->framebuffer
, &ctx
->framebuffer
);
436 fd_context_all_dirty(ctx
);
442 fd_batch_set_stage(struct fd_batch
*batch
, enum fd_render_stage stage
)
444 struct fd_context
*ctx
= batch
->ctx
;
446 /* special case: internal blits (like mipmap level generation)
447 * go through normal draw path (via util_blitter_blit()).. but
448 * we need to ignore the FD_STAGE_DRAW which will be set, so we
449 * don't enable queries which should be paused during internal
452 if ((batch
->stage
== FD_STAGE_BLIT
) &&
453 (stage
!= FD_STAGE_NULL
))
456 if (ctx
->query_set_stage
)
457 ctx
->query_set_stage(batch
, stage
);
459 batch
->stage
= stage
;
462 void fd_context_setup_common_vbos(struct fd_context
*ctx
);
463 void fd_context_cleanup_common_vbos(struct fd_context
*ctx
);
465 struct pipe_context
* fd_context_init(struct fd_context
*ctx
,
466 struct pipe_screen
*pscreen
, const uint8_t *primtypes
,
467 void *priv
, unsigned flags
);
469 void fd_context_destroy(struct pipe_context
*pctx
);
471 #endif /* FREEDRENO_CONTEXT_H_ */