r600_pipe.h revision 74027a9ba250f07a77ee40e105c50c27e4fc3bc0
1/*
2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the Software is furnished to do so, subject to the following conditions:
10 *
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
13 * 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 AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 *      Jerome Glisse
25 */
26#ifndef R600_PIPE_H
27#define R600_PIPE_H
28
29#include "../../winsys/radeon/drm/radeon_winsys.h"
30
31#include "pipe/p_state.h"
32#include "pipe/p_screen.h"
33#include "pipe/p_context.h"
34#include "util/u_math.h"
35#include "util/u_slab.h"
36#include "util/u_vbuf.h"
37#include "r600.h"
38#include "r600_public.h"
39#include "r600_shader.h"
40#include "r600_resource.h"
41
42#define R600_MAX_CONST_BUFFERS 2
43#define R600_MAX_CONST_BUFFER_SIZE 4096
44
45#ifdef PIPE_ARCH_BIG_ENDIAN
46#define R600_BIG_ENDIAN 1
47#else
48#define R600_BIG_ENDIAN 0
49#endif
50
51enum r600_atom_flags {
52	/* When set, atoms are added at the beginning of the dirty list
53	 * instead of the end. */
54	EMIT_EARLY = (1 << 0)
55};
56
57/* This encapsulates a state or an operation which can emitted into the GPU
58 * command stream. It's not limited to states only, it can be used for anything
59 * that wants to write commands into the CS (e.g. cache flushes). */
60struct r600_atom {
61	void (*emit)(struct r600_context *ctx, struct r600_atom *state);
62
63	unsigned		num_dw;
64	enum r600_atom_flags	flags;
65	bool			dirty;
66
67	struct list_head	head;
68};
69
70struct r600_atom_surface_sync {
71	struct r600_atom atom;
72	unsigned flush_flags; /* CP_COHER_CNTL */
73};
74
75enum r600_pipe_state_id {
76	R600_PIPE_STATE_BLEND = 0,
77	R600_PIPE_STATE_BLEND_COLOR,
78	R600_PIPE_STATE_CONFIG,
79	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
80	R600_PIPE_STATE_CLIP,
81	R600_PIPE_STATE_SCISSOR,
82	R600_PIPE_STATE_VIEWPORT,
83	R600_PIPE_STATE_RASTERIZER,
84	R600_PIPE_STATE_VGT,
85	R600_PIPE_STATE_FRAMEBUFFER,
86	R600_PIPE_STATE_DSA,
87	R600_PIPE_STATE_STENCIL_REF,
88	R600_PIPE_STATE_PS_SHADER,
89	R600_PIPE_STATE_VS_SHADER,
90	R600_PIPE_STATE_CONSTANT,
91	R600_PIPE_STATE_SAMPLER,
92	R600_PIPE_STATE_RESOURCE,
93	R600_PIPE_STATE_POLYGON_OFFSET,
94	R600_PIPE_STATE_FETCH_SHADER,
95	R600_PIPE_NSTATES
96};
97
98struct r600_pipe_fences {
99	struct r600_resource		*bo;
100	unsigned			*data;
101	unsigned			next_index;
102	/* linked list of preallocated blocks */
103	struct list_head		blocks;
104	/* linked list of freed fences */
105	struct list_head		pool;
106	pipe_mutex			mutex;
107};
108
109struct r600_screen {
110	struct pipe_screen		screen;
111	struct radeon_winsys		*ws;
112	unsigned			family;
113	enum chip_class			chip_class;
114	struct radeon_info		info;
115	struct r600_tiling_info		tiling_info;
116	struct util_slab_mempool	pool_buffers;
117	struct r600_pipe_fences		fences;
118
119	unsigned			num_contexts;
120
121	/* for thread-safe write accessing to num_contexts */
122	pipe_mutex			mutex_num_contexts;
123};
124
125struct r600_pipe_sampler_view {
126	struct pipe_sampler_view	base;
127	struct r600_pipe_resource_state		state;
128};
129
130struct r600_pipe_rasterizer {
131	struct r600_pipe_state		rstate;
132	boolean				flatshade;
133	boolean				two_side;
134	unsigned			sprite_coord_enable;
135	unsigned                        clip_plane_enable;
136	unsigned			pa_sc_line_stipple;
137	unsigned			pa_su_sc_mode_cntl;
138	unsigned			pa_cl_clip_cntl;
139	float				offset_units;
140	float				offset_scale;
141};
142
143struct r600_pipe_blend {
144	struct r600_pipe_state		rstate;
145	unsigned			cb_target_mask;
146	unsigned			cb_color_control;
147};
148
149struct r600_pipe_dsa {
150	struct r600_pipe_state		rstate;
151	unsigned			alpha_ref;
152	unsigned			db_render_override;
153	unsigned			db_render_control;
154	ubyte				valuemask[2];
155	ubyte				writemask[2];
156};
157
158struct r600_vertex_element
159{
160	unsigned			count;
161	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
162	struct u_vbuf_elements		*vmgr_elements;
163	struct r600_resource		*fetch_shader;
164	unsigned			fs_size;
165	struct r600_pipe_state		rstate;
166	/* if offset is to big for fetch instructio we need to alterate
167	 * offset of vertex buffer, record here the offset need to add
168	 */
169	unsigned			vbuffer_need_offset;
170	unsigned			vbuffer_offset[PIPE_MAX_ATTRIBS];
171};
172
173struct r600_pipe_shader {
174	struct r600_shader		shader;
175	struct r600_pipe_state		rstate;
176	struct r600_resource		*bo;
177	struct r600_resource		*bo_fetch;
178	struct r600_vertex_element	vertex_elements;
179	struct tgsi_token		*tokens;
180	unsigned	sprite_coord_enable;
181	unsigned	flatshade;
182	unsigned	pa_cl_vs_out_cntl;
183	struct pipe_stream_output_info	so;
184};
185
186struct r600_pipe_sampler_state {
187	struct r600_pipe_state		rstate;
188	boolean seamless_cube_map;
189};
190
191/* needed for blitter save */
192#define NUM_TEX_UNITS 16
193
194struct r600_textures_info {
195	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
196	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
197	unsigned			n_views;
198	unsigned			n_samplers;
199	bool				samplers_dirty;
200	bool				is_array_sampler[NUM_TEX_UNITS];
201};
202
203struct r600_fence {
204	struct pipe_reference		reference;
205	unsigned			index; /* in the shared bo */
206	struct list_head		head;
207};
208
209#define FENCE_BLOCK_SIZE 16
210
211struct r600_fence_block {
212	struct r600_fence		fences[FENCE_BLOCK_SIZE];
213	struct list_head		head;
214};
215
216#define R600_CONSTANT_ARRAY_SIZE 256
217#define R600_RESOURCE_ARRAY_SIZE 160
218
219struct r600_stencil_ref
220{
221	ubyte ref_value[2];
222	ubyte valuemask[2];
223	ubyte writemask[2];
224};
225
226struct r600_context {
227	struct pipe_context		context;
228	struct blitter_context		*blitter;
229	enum radeon_family		family;
230	enum chip_class			chip_class;
231	unsigned			r6xx_num_clause_temp_gprs;
232	void				*custom_dsa_flush;
233	struct r600_screen		*screen;
234	struct radeon_winsys		*ws;
235	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
236	struct r600_vertex_element	*vertex_elements;
237	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
238	struct pipe_framebuffer_state	framebuffer;
239	unsigned			cb_target_mask;
240	unsigned			cb_color_control;
241	unsigned			pa_sc_line_stipple;
242	unsigned			pa_su_sc_mode_cntl;
243	unsigned			pa_cl_clip_cntl;
244	/* for saving when using blitter */
245	struct pipe_stencil_ref		stencil_ref;
246	struct pipe_viewport_state	viewport;
247	struct pipe_clip_state		clip;
248	struct r600_pipe_state		config;
249	struct r600_pipe_shader 	*ps_shader;
250	struct r600_pipe_shader 	*vs_shader;
251	struct r600_pipe_state		vs_const_buffer;
252	struct r600_pipe_resource_state		vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
253	struct r600_pipe_state		ps_const_buffer;
254	struct r600_pipe_resource_state		ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
255	struct r600_pipe_rasterizer	*rasterizer;
256	struct r600_pipe_state          vgt;
257	struct r600_pipe_state          spi;
258	struct pipe_query		*current_render_cond;
259	unsigned			current_render_cond_mode;
260	struct pipe_query		*saved_render_cond;
261	unsigned			saved_render_cond_mode;
262	/* shader information */
263	boolean				two_side;
264	unsigned			sprite_coord_enable;
265	boolean				export_16bpc;
266	unsigned			alpha_ref;
267	boolean				alpha_ref_dirty;
268	unsigned			nr_cbufs;
269	struct r600_textures_info	vs_samplers;
270	struct r600_textures_info	ps_samplers;
271
272	struct u_vbuf			*vbuf_mgr;
273	struct util_slab_mempool	pool_transfers;
274	boolean				have_depth_texture, have_depth_fb;
275
276	unsigned default_ps_gprs, default_vs_gprs;
277
278	/* States based on r600_state. */
279	struct list_head		dirty_states;
280	struct r600_atom_surface_sync	atom_surface_sync;
281	struct r600_atom		atom_r6xx_flush_and_inv;
282
283	/* Below are variables from the old r600_context.
284	 */
285	struct radeon_winsys_cs	*cs;
286
287	struct r600_range	*range;
288	unsigned		nblocks;
289	struct r600_block	**blocks;
290	struct list_head	dirty;
291	struct list_head	resource_dirty;
292	struct list_head	enable_list;
293	unsigned		pm4_dirty_cdwords;
294	unsigned		ctx_pm4_ndwords;
295	unsigned		init_dwords;
296
297	/* The list of active queries. Only one query of each type can be active. */
298	struct list_head	active_query_list;
299	unsigned		num_cs_dw_queries_suspend;
300	unsigned		num_cs_dw_streamout_end;
301
302	unsigned		backend_mask;
303	unsigned                max_db; /* for OQ */
304	unsigned                num_dest_buffers;
305	unsigned		flags;
306	boolean                 predicate_drawing;
307	struct r600_range	ps_resources;
308	struct r600_range	vs_resources;
309	struct r600_range	fs_resources;
310	int			num_ps_resources, num_vs_resources, num_fs_resources;
311
312	unsigned		num_so_targets;
313	struct r600_so_target	*so_targets[PIPE_MAX_SO_BUFFERS];
314	boolean			streamout_start;
315	unsigned		streamout_append_bitmask;
316	unsigned		*vs_so_stride_in_dw;
317};
318
319static INLINE void r600_emit_atom(struct r600_context *rctx, struct r600_atom *atom)
320{
321	atom->emit(rctx, atom);
322	atom->dirty = false;
323	if (atom->head.next && atom->head.prev)
324		LIST_DELINIT(&atom->head);
325}
326
327static INLINE void r600_atom_dirty(struct r600_context *rctx, struct r600_atom *state)
328{
329	if (!state->dirty) {
330		if (state->flags & EMIT_EARLY) {
331			LIST_ADD(&state->head, &rctx->dirty_states);
332		} else {
333			LIST_ADDTAIL(&state->head, &rctx->dirty_states);
334		}
335		state->dirty = true;
336	}
337}
338
339/* evergreen_state.c */
340void evergreen_init_state_functions(struct r600_context *rctx);
341void evergreen_init_config(struct r600_context *rctx);
342void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
343void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
344void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
345void *evergreen_create_db_flush_dsa(struct r600_context *rctx);
346void evergreen_polygon_offset_update(struct r600_context *rctx);
347void evergreen_pipe_init_buffer_resource(struct r600_context *rctx,
348					 struct r600_pipe_resource_state *rstate);
349void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
350					struct r600_pipe_resource_state *rstate,
351					struct r600_resource *rbuffer,
352					unsigned offset, unsigned stride,
353					enum radeon_bo_usage usage);
354boolean evergreen_is_format_supported(struct pipe_screen *screen,
355				      enum pipe_format format,
356				      enum pipe_texture_target target,
357				      unsigned sample_count,
358				      unsigned usage);
359
360/* r600_blit.c */
361void r600_init_blit_functions(struct r600_context *rctx);
362void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
363void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
364void r600_flush_depth_textures(struct r600_context *rctx);
365
366/* r600_buffer.c */
367bool r600_init_resource(struct r600_screen *rscreen,
368			struct r600_resource *res,
369			unsigned size, unsigned alignment,
370			unsigned bind, unsigned usage);
371struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
372					 const struct pipe_resource *templ);
373struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
374					      void *ptr, unsigned bytes,
375					      unsigned bind);
376void r600_upload_index_buffer(struct r600_context *rctx,
377			      struct pipe_index_buffer *ib, unsigned count);
378
379
380/* r600_pipe.c */
381void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
382		unsigned flags);
383
384/* r600_query.c */
385void r600_init_query_functions(struct r600_context *rctx);
386
387/* r600_resource.c */
388void r600_init_context_resource_functions(struct r600_context *r600);
389
390/* r600_shader.c */
391int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
392void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
393int r600_find_vs_semantic_index(struct r600_shader *vs,
394				struct r600_shader *ps, int id);
395
396/* r600_state.c */
397void r600_update_sampler_states(struct r600_context *rctx);
398void r600_init_state_functions(struct r600_context *rctx);
399void r600_init_config(struct r600_context *rctx);
400void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
401void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
402void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
403void *r600_create_db_flush_dsa(struct r600_context *rctx);
404void r600_polygon_offset_update(struct r600_context *rctx);
405void r600_pipe_init_buffer_resource(struct r600_context *rctx,
406				    struct r600_pipe_resource_state *rstate);
407void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
408				   struct r600_resource *rbuffer,
409				   unsigned offset, unsigned stride,
410				   enum radeon_bo_usage usage);
411void r600_adjust_gprs(struct r600_context *rctx);
412boolean r600_is_format_supported(struct pipe_screen *screen,
413				 enum pipe_format format,
414				 enum pipe_texture_target target,
415				 unsigned sample_count,
416				 unsigned usage);
417
418/* r600_texture.c */
419void r600_init_screen_texture_functions(struct pipe_screen *screen);
420void r600_init_surface_functions(struct r600_context *r600);
421uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
422				  const unsigned char *swizzle_view,
423				  uint32_t *word4_p, uint32_t *yuv_format_p);
424unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
425					unsigned level, unsigned layer);
426
427/* r600_translate.c */
428void r600_translate_index_buffer(struct r600_context *r600,
429				 struct pipe_index_buffer *ib,
430				 unsigned count);
431
432/* r600_state_common.c */
433void r600_init_common_atoms(struct r600_context *rctx);
434unsigned r600_get_cb_flush_flags(struct r600_context *rctx);
435void r600_texture_barrier(struct pipe_context *ctx);
436void r600_set_index_buffer(struct pipe_context *ctx,
437			   const struct pipe_index_buffer *ib);
438void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
439			     const struct pipe_vertex_buffer *buffers);
440void *r600_create_vertex_elements(struct pipe_context *ctx,
441				  unsigned count,
442				  const struct pipe_vertex_element *elements);
443void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
444void r600_bind_blend_state(struct pipe_context *ctx, void *state);
445void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
446void r600_bind_rs_state(struct pipe_context *ctx, void *state);
447void r600_delete_rs_state(struct pipe_context *ctx, void *state);
448void r600_sampler_view_destroy(struct pipe_context *ctx,
449			       struct pipe_sampler_view *state);
450void r600_delete_state(struct pipe_context *ctx, void *state);
451void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
452void *r600_create_shader_state(struct pipe_context *ctx,
453			       const struct pipe_shader_state *state);
454void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
455void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
456void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
457void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
458void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
459			      struct pipe_resource *buffer);
460struct pipe_stream_output_target *
461r600_create_so_target(struct pipe_context *ctx,
462		      struct pipe_resource *buffer,
463		      unsigned buffer_offset,
464		      unsigned buffer_size);
465void r600_so_target_destroy(struct pipe_context *ctx,
466			    struct pipe_stream_output_target *target);
467void r600_set_so_targets(struct pipe_context *ctx,
468			 unsigned num_targets,
469			 struct pipe_stream_output_target **targets,
470			 unsigned append_bitmask);
471void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
472			       const struct pipe_stencil_ref *state);
473void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
474
475/*
476 * common helpers
477 */
478static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
479{
480	return value * (1 << frac_bits);
481}
482#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
483
484static inline unsigned r600_tex_aniso_filter(unsigned filter)
485{
486	if (filter <= 1)   return 0;
487	if (filter <= 2)   return 1;
488	if (filter <= 4)   return 2;
489	if (filter <= 8)   return 3;
490	 /* else */        return 4;
491}
492
493/* 12.4 fixed-point */
494static INLINE unsigned r600_pack_float_12p4(float x)
495{
496	return x <= 0    ? 0 :
497	       x >= 4096 ? 0xffff : x * 16;
498}
499
500#endif
501