1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #ifndef FREEDRENO_CONTEXT_H_
30 #define FREEDRENO_CONTEXT_H_
31
32 #include "pipe/p_context.h"
33 #include "indices/u_primconvert.h"
34 #include "util/u_blitter.h"
35 #include "util/list.h"
36 #include "util/slab.h"
37 #include "util/u_string.h"
38
39 #include "freedreno_batch.h"
40 #include "freedreno_screen.h"
41 #include "freedreno_gmem.h"
42 #include "freedreno_util.h"
43
44 #define BORDER_COLOR_UPLOAD_SIZE (2 * PIPE_MAX_SAMPLERS * BORDERCOLOR_SIZE)
45
46 struct fd_vertex_stateobj;
47
48 struct fd_texture_stateobj {
49 struct pipe_sampler_view *textures[PIPE_MAX_SAMPLERS];
50 unsigned num_textures;
51 unsigned valid_textures;
52 struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS];
53 unsigned num_samplers;
54 unsigned valid_samplers;
55 };
56
57 struct fd_program_stateobj {
58 void *vp, *fp;
59
60 /* rest only used by fd2.. split out: */
61 uint8_t num_exports;
62 /* Indexed by semantic name or TGSI_SEMANTIC_COUNT + semantic index
63 * for TGSI_SEMANTIC_GENERIC. Special vs exports (position and point-
64 * size) are not included in this
65 */
66 uint8_t export_linkage[63];
67 };
68
69 struct fd_constbuf_stateobj {
70 struct pipe_constant_buffer cb[PIPE_MAX_CONSTANT_BUFFERS];
71 uint32_t enabled_mask;
72 uint32_t dirty_mask;
73 };
74
75 struct fd_shaderbuf_stateobj {
76 struct pipe_shader_buffer sb[PIPE_MAX_SHADER_BUFFERS];
77 uint32_t enabled_mask;
78 uint32_t dirty_mask;
79 };
80
81 struct fd_shaderimg_stateobj {
82 struct pipe_image_view si[PIPE_MAX_SHADER_IMAGES];
83 uint32_t enabled_mask;
84 uint32_t dirty_mask;
85 };
86
87 struct fd_vertexbuf_stateobj {
88 struct pipe_vertex_buffer vb[PIPE_MAX_ATTRIBS];
89 unsigned count;
90 uint32_t enabled_mask;
91 uint32_t dirty_mask;
92 };
93
94 struct fd_vertex_stateobj {
95 struct pipe_vertex_element pipe[PIPE_MAX_ATTRIBS];
96 unsigned num_elements;
97 };
98
99 struct fd_streamout_stateobj {
100 struct pipe_stream_output_target *targets[PIPE_MAX_SO_BUFFERS];
101 unsigned num_targets;
102 /* Track offset from vtxcnt for streamout data. This counter
103 * is just incremented by # of vertices on each draw until
104 * reset or new streamout buffer bound.
105 *
106 * When we eventually have GS, the CPU won't actually know the
107 * number of vertices per draw, so I think we'll have to do
108 * something more clever.
109 */
110 unsigned offsets[PIPE_MAX_SO_BUFFERS];
111 };
112
113 /* group together the vertex and vertexbuf state.. for ease of passing
114 * around, and because various internal operations (gmem<->mem, etc)
115 * need their own vertex state:
116 */
117 struct fd_vertex_state {
118 struct fd_vertex_stateobj *vtx;
119 struct fd_vertexbuf_stateobj vertexbuf;
120 };
121
122 /* global 3d pipeline dirty state: */
123 enum fd_dirty_3d_state {
124 FD_DIRTY_BLEND = BIT(0),
125 FD_DIRTY_RASTERIZER = BIT(1),
126 FD_DIRTY_ZSA = BIT(2),
127 FD_DIRTY_BLEND_COLOR = BIT(3),
128 FD_DIRTY_STENCIL_REF = BIT(4),
129 FD_DIRTY_SAMPLE_MASK = BIT(5),
130 FD_DIRTY_FRAMEBUFFER = BIT(6),
131 FD_DIRTY_STIPPLE = BIT(7),
132 FD_DIRTY_VIEWPORT = BIT(8),
133 FD_DIRTY_VTXSTATE = BIT(9),
134 FD_DIRTY_VTXBUF = BIT(10),
135
136 FD_DIRTY_SCISSOR = BIT(12),
137 FD_DIRTY_STREAMOUT = BIT(13),
138 FD_DIRTY_UCP = BIT(14),
139 FD_DIRTY_BLEND_DUAL = BIT(15),
140
141 /* These are a bit redundent with fd_dirty_shader_state, and possibly
142 * should be removed. (But OTOH kinda convenient in some places)
143 */
144 FD_DIRTY_PROG = BIT(16),
145 FD_DIRTY_CONST = BIT(17),
146 FD_DIRTY_TEX = BIT(18),
147
148 /* only used by a2xx.. possibly can be removed.. */
149 FD_DIRTY_TEXSTATE = BIT(19),
150 };
151
152 /* per shader-stage dirty state: */
153 enum fd_dirty_shader_state {
154 FD_DIRTY_SHADER_PROG = BIT(0),
155 FD_DIRTY_SHADER_CONST = BIT(1),
156 FD_DIRTY_SHADER_TEX = BIT(2),
157 FD_DIRTY_SHADER_SSBO = BIT(3),
158 FD_DIRTY_SHADER_IMAGE = BIT(4),
159 };
160
161 struct fd_context {
162 struct pipe_context base;
163
164 struct fd_device *dev;
165 struct fd_screen *screen;
166 struct fd_pipe *pipe;
167
168 struct util_queue flush_queue;
169
170 struct blitter_context *blitter;
171 void *clear_rs_state;
172 struct primconvert_context *primconvert;
173
174 /* slab for pipe_transfer allocations: */
175 struct slab_child_pool transfer_pool;
176
177 /**
178 * query related state:
179 */
180 /*@{*/
181 /* slabs for fd_hw_sample and fd_hw_sample_period allocations: */
182 struct slab_mempool sample_pool;
183 struct slab_mempool sample_period_pool;
184
185 /* sample-providers for hw queries: */
186 const struct fd_hw_sample_provider *hw_sample_providers[MAX_HW_SAMPLE_PROVIDERS];
187
188 /* list of active queries: */
189 struct list_head hw_active_queries;
190
191 /* sample-providers for accumulating hw queries: */
192 const struct fd_acc_sample_provider *acc_sample_providers[MAX_HW_SAMPLE_PROVIDERS];
193
194 /* list of active accumulating queries: */
195 struct list_head acc_active_queries;
196 /*@}*/
197
198 /* table with PIPE_PRIM_MAX entries mapping PIPE_PRIM_x to
199 * DI_PT_x value to use for draw initiator. There are some
200 * slight differences between generation:
201 */
202 const uint8_t *primtypes;
203 uint32_t primtype_mask;
204
205 /* shaders used by clear, and gmem->mem blits: */
206 struct fd_program_stateobj solid_prog; // TODO move to screen?
207
208 /* shaders used by mem->gmem blits: */
209 struct fd_program_stateobj blit_prog[MAX_RENDER_TARGETS]; // TODO move to screen?
210 struct fd_program_stateobj blit_z, blit_zs;
211
212 /* Stats/counters:
213 */
214 struct {
215 uint64_t prims_emitted;
216 uint64_t prims_generated;
217 uint64_t draw_calls;
218 uint64_t batch_total, batch_sysmem, batch_gmem, batch_nondraw, batch_restore;
219 uint64_t staging_uploads, shadow_uploads;
220 } stats;
221
222 /* Current batch.. the rule here is that you can deref ctx->batch
223 * in codepaths from pipe_context entrypoints. But not in code-
224 * paths from fd_batch_flush() (basically, the stuff that gets
225 * called from GMEM code), since in those code-paths the batch
226 * you care about is not necessarily the same as ctx->batch.
227 */
228 struct fd_batch *batch;
229
230 /* Are we in process of shadowing a resource? Used to detect recursion
231 * in transfer_map, and skip unneeded synchronization.
232 */
233 bool in_shadow : 1;
234
235 /* Ie. in blit situation where we no longer care about previous framebuffer
236 * contents. Main point is to eliminate blits from fd_try_shadow_resource().
237 * For example, in case of texture upload + gen-mipmaps.
238 */
239 bool in_blit : 1;
240
241 struct pipe_scissor_state scissor;
242
243 /* we don't have a disable/enable bit for scissor, so instead we keep
244 * a disabled-scissor state which matches the entire bound framebuffer
245 * and use that when scissor is not enabled.
246 */
247 struct pipe_scissor_state disabled_scissor;
248
249 /* Current gmem/tiling configuration.. gets updated on render_tiles()
250 * if out of date with current maximal-scissor/cpp:
251 *
252 * (NOTE: this is kind of related to the batch, but moving it there
253 * means we'd always have to recalc tiles ever batch)
254 */
255 struct fd_gmem_stateobj gmem;
256 struct fd_vsc_pipe vsc_pipe[16];
257 struct fd_tile tile[512];
258
259 /* which state objects need to be re-emit'd: */
260 enum fd_dirty_3d_state dirty;
261
262 /* per shader-stage dirty status: */
263 enum fd_dirty_shader_state dirty_shader[PIPE_SHADER_TYPES];
264
265 void *compute;
266 struct pipe_blend_state *blend;
267 struct pipe_rasterizer_state *rasterizer;
268 struct pipe_depth_stencil_alpha_state *zsa;
269
270 struct fd_texture_stateobj tex[PIPE_SHADER_TYPES];
271
272 struct fd_program_stateobj prog;
273
274 struct fd_vertex_state vtx;
275
276 struct pipe_blend_color blend_color;
277 struct pipe_stencil_ref stencil_ref;
278 unsigned sample_mask;
279 struct pipe_poly_stipple stipple;
280 struct pipe_viewport_state viewport;
281 struct fd_constbuf_stateobj constbuf[PIPE_SHADER_TYPES];
282 struct fd_shaderbuf_stateobj shaderbuf[PIPE_SHADER_TYPES];
283 struct fd_shaderimg_stateobj shaderimg[PIPE_SHADER_TYPES];
284 struct fd_streamout_stateobj streamout;
285 struct pipe_clip_state ucp;
286
287 struct pipe_query *cond_query;
288 bool cond_cond; /* inverted rendering condition */
289 uint cond_mode;
290
291 struct pipe_debug_callback debug;
292
293 /* GMEM/tile handling fxns: */
294 void (*emit_tile_init)(struct fd_batch *batch);
295 void (*emit_tile_prep)(struct fd_batch *batch, struct fd_tile *tile);
296 void (*emit_tile_mem2gmem)(struct fd_batch *batch, struct fd_tile *tile);
297 void (*emit_tile_renderprep)(struct fd_batch *batch, struct fd_tile *tile);
298 void (*emit_tile_gmem2mem)(struct fd_batch *batch, struct fd_tile *tile);
299 void (*emit_tile_fini)(struct fd_batch *batch); /* optional */
300
301 /* optional, for GMEM bypass: */
302 void (*emit_sysmem_prep)(struct fd_batch *batch);
303 void (*emit_sysmem_fini)(struct fd_batch *batch);
304
305 /* draw: */
306 bool (*draw_vbo)(struct fd_context *ctx, const struct pipe_draw_info *info,
307 unsigned index_offset);
308 bool (*clear)(struct fd_context *ctx, unsigned buffers,
309 const union pipe_color_union *color, double depth, unsigned stencil);
310
311 /* compute: */
312 void (*launch_grid)(struct fd_context *ctx, const struct pipe_grid_info *info);
313
314 /* constant emit: (note currently not used/needed for a2xx) */
315 void (*emit_const)(struct fd_ringbuffer *ring, enum shader_t type,
316 uint32_t regid, uint32_t offset, uint32_t sizedwords,
317 const uint32_t *dwords, struct pipe_resource *prsc);
318 /* emit bo addresses as constant: */
319 void (*emit_const_bo)(struct fd_ringbuffer *ring, enum shader_t type, boolean write,
320 uint32_t regid, uint32_t num, struct pipe_resource **prscs, uint32_t *offsets);
321
322 /* indirect-branch emit: */
323 void (*emit_ib)(struct fd_ringbuffer *ring, struct fd_ringbuffer *target);
324
325 /* query: */
326 struct fd_query * (*create_query)(struct fd_context *ctx, unsigned query_type);
327 void (*query_prepare)(struct fd_batch *batch, uint32_t num_tiles);
328 void (*query_prepare_tile)(struct fd_batch *batch, uint32_t n,
329 struct fd_ringbuffer *ring);
330 void (*query_set_stage)(struct fd_batch *batch, enum fd_render_stage stage);
331
332 /* blitter: */
333 void (*blit)(struct fd_context *ctx, const struct pipe_blit_info *info);
334
335 /* simple gpu "memcpy": */
336 void (*mem_to_mem)(struct fd_ringbuffer *ring, struct pipe_resource *dst,
337 unsigned dst_off, struct pipe_resource *src, unsigned src_off,
338 unsigned sizedwords);
339
340 /*
341 * Common pre-cooked VBO state (used for a3xx and later):
342 */
343
344 /* for clear/gmem->mem vertices, and mem->gmem */
345 struct pipe_resource *solid_vbuf;
346
347 /* for mem->gmem tex coords: */
348 struct pipe_resource *blit_texcoord_vbuf;
349
350 /* vertex state for solid_vbuf:
351 * - solid_vbuf / 12 / R32G32B32_FLOAT
352 */
353 struct fd_vertex_state solid_vbuf_state;
354
355 /* vertex state for blit_prog:
356 * - blit_texcoord_vbuf / 8 / R32G32_FLOAT
357 * - solid_vbuf / 12 / R32G32B32_FLOAT
358 */
359 struct fd_vertex_state blit_vbuf_state;
360 };
361
362 static inline struct fd_context *
fd_context(struct pipe_context * pctx)363 fd_context(struct pipe_context *pctx)
364 {
365 return (struct fd_context *)pctx;
366 }
367
368 static inline void
fd_context_assert_locked(struct fd_context * ctx)369 fd_context_assert_locked(struct fd_context *ctx)
370 {
371 pipe_mutex_assert_locked(ctx->screen->lock);
372 }
373
374 static inline void
fd_context_lock(struct fd_context * ctx)375 fd_context_lock(struct fd_context *ctx)
376 {
377 mtx_lock(&ctx->screen->lock);
378 }
379
380 static inline void
fd_context_unlock(struct fd_context * ctx)381 fd_context_unlock(struct fd_context *ctx)
382 {
383 mtx_unlock(&ctx->screen->lock);
384 }
385
386 /* mark all state dirty: */
387 static inline void
fd_context_all_dirty(struct fd_context * ctx)388 fd_context_all_dirty(struct fd_context *ctx)
389 {
390 ctx->dirty = ~0;
391 for (unsigned i = 0; i < PIPE_SHADER_TYPES; i++)
392 ctx->dirty_shader[i] = ~0;
393 }
394
395 static inline void
fd_context_all_clean(struct fd_context * ctx)396 fd_context_all_clean(struct fd_context *ctx)
397 {
398 ctx->dirty = 0;
399 for (unsigned i = 0; i < PIPE_SHADER_TYPES; i++) {
400 /* don't mark compute state as clean, since it is not emitted
401 * during normal draw call. The places that call _all_dirty(),
402 * it is safe to mark compute state dirty as well, but the
403 * inverse is not true.
404 */
405 if (i == PIPE_SHADER_COMPUTE)
406 continue;
407 ctx->dirty_shader[i] = 0;
408 }
409 }
410
411 static inline struct pipe_scissor_state *
fd_context_get_scissor(struct fd_context * ctx)412 fd_context_get_scissor(struct fd_context *ctx)
413 {
414 if (ctx->rasterizer && ctx->rasterizer->scissor)
415 return &ctx->scissor;
416 return &ctx->disabled_scissor;
417 }
418
419 static inline bool
fd_supported_prim(struct fd_context * ctx,unsigned prim)420 fd_supported_prim(struct fd_context *ctx, unsigned prim)
421 {
422 return (1 << prim) & ctx->primtype_mask;
423 }
424
425 static inline void
fd_batch_set_stage(struct fd_batch * batch,enum fd_render_stage stage)426 fd_batch_set_stage(struct fd_batch *batch, enum fd_render_stage stage)
427 {
428 struct fd_context *ctx = batch->ctx;
429
430 /* special case: internal blits (like mipmap level generation)
431 * go through normal draw path (via util_blitter_blit()).. but
432 * we need to ignore the FD_STAGE_DRAW which will be set, so we
433 * don't enable queries which should be paused during internal
434 * blits:
435 */
436 if ((batch->stage == FD_STAGE_BLIT) &&
437 (stage != FD_STAGE_NULL))
438 return;
439
440 if (ctx->query_set_stage)
441 ctx->query_set_stage(batch, stage);
442
443 batch->stage = stage;
444 }
445
446 void fd_context_setup_common_vbos(struct fd_context *ctx);
447 void fd_context_cleanup_common_vbos(struct fd_context *ctx);
448
449 struct pipe_context * fd_context_init(struct fd_context *ctx,
450 struct pipe_screen *pscreen, const uint8_t *primtypes,
451 void *priv, unsigned flags);
452
453 void fd_context_destroy(struct pipe_context *pctx);
454
455 #endif /* FREEDRENO_CONTEXT_H_ */
456