r600_pipe.h revision 84b4b2a8aacf6655d3f2a9f03dec3913a00aabdb
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_pipe_state_id {
52	R600_PIPE_STATE_BLEND = 0,
53	R600_PIPE_STATE_BLEND_COLOR,
54	R600_PIPE_STATE_CONFIG,
55	R600_PIPE_STATE_SEAMLESS_CUBEMAP,
56	R600_PIPE_STATE_CLIP,
57	R600_PIPE_STATE_SCISSOR,
58	R600_PIPE_STATE_VIEWPORT,
59	R600_PIPE_STATE_RASTERIZER,
60	R600_PIPE_STATE_VGT,
61	R600_PIPE_STATE_FRAMEBUFFER,
62	R600_PIPE_STATE_DSA,
63	R600_PIPE_STATE_STENCIL_REF,
64	R600_PIPE_STATE_PS_SHADER,
65	R600_PIPE_STATE_VS_SHADER,
66	R600_PIPE_STATE_CONSTANT,
67	R600_PIPE_STATE_SAMPLER,
68	R600_PIPE_STATE_RESOURCE,
69	R600_PIPE_STATE_POLYGON_OFFSET,
70	R600_PIPE_STATE_FETCH_SHADER,
71	R600_PIPE_NSTATES
72};
73
74struct r600_pipe_fences {
75	struct r600_resource		*bo;
76	unsigned			*data;
77	unsigned			next_index;
78	/* linked list of preallocated blocks */
79	struct list_head		blocks;
80	/* linked list of freed fences */
81	struct list_head		pool;
82	pipe_mutex			mutex;
83};
84
85struct r600_screen {
86	struct pipe_screen		screen;
87	struct radeon_winsys		*ws;
88	unsigned			family;
89	enum chip_class			chip_class;
90	struct radeon_info		info;
91	struct r600_tiling_info		tiling_info;
92	struct util_slab_mempool	pool_buffers;
93	struct r600_pipe_fences		fences;
94
95	unsigned			num_contexts;
96
97	/* for thread-safe write accessing to num_contexts */
98	pipe_mutex			mutex_num_contexts;
99};
100
101struct r600_pipe_sampler_view {
102	struct pipe_sampler_view	base;
103	struct r600_pipe_resource_state		state;
104};
105
106struct r600_pipe_rasterizer {
107	struct r600_pipe_state		rstate;
108	boolean				flatshade;
109	boolean				two_side;
110	unsigned			sprite_coord_enable;
111	unsigned                        clip_plane_enable;
112	float				offset_units;
113	float				offset_scale;
114};
115
116struct r600_pipe_blend {
117	struct r600_pipe_state		rstate;
118	unsigned			cb_target_mask;
119	unsigned			cb_color_control;
120};
121
122struct r600_pipe_dsa {
123	struct r600_pipe_state		rstate;
124	unsigned			alpha_ref;
125	ubyte				valuemask[2];
126	ubyte				writemask[2];
127};
128
129struct r600_vertex_element
130{
131	unsigned			count;
132	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
133	struct u_vbuf_elements		*vmgr_elements;
134	struct r600_resource		*fetch_shader;
135	unsigned			fs_size;
136	struct r600_pipe_state		rstate;
137	/* if offset is to big for fetch instructio we need to alterate
138	 * offset of vertex buffer, record here the offset need to add
139	 */
140	unsigned			vbuffer_need_offset;
141	unsigned			vbuffer_offset[PIPE_MAX_ATTRIBS];
142};
143
144struct r600_pipe_shader {
145	struct r600_shader		shader;
146	struct r600_pipe_state		rstate;
147	struct r600_resource		*bo;
148	struct r600_resource		*bo_fetch;
149	struct r600_vertex_element	vertex_elements;
150	struct tgsi_token		*tokens;
151	unsigned	sprite_coord_enable;
152	unsigned	flatshade;
153	struct pipe_stream_output_info	so;
154};
155
156struct r600_pipe_sampler_state {
157	struct r600_pipe_state		rstate;
158	boolean seamless_cube_map;
159};
160
161/* needed for blitter save */
162#define NUM_TEX_UNITS 16
163
164struct r600_textures_info {
165	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
166	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
167	unsigned			n_views;
168	unsigned			n_samplers;
169	bool				samplers_dirty;
170	bool				is_array_sampler[NUM_TEX_UNITS];
171};
172
173struct r600_fence {
174	struct pipe_reference		reference;
175	unsigned			index; /* in the shared bo */
176	struct list_head		head;
177};
178
179#define FENCE_BLOCK_SIZE 16
180
181struct r600_fence_block {
182	struct r600_fence		fences[FENCE_BLOCK_SIZE];
183	struct list_head		head;
184};
185
186#define R600_CONSTANT_ARRAY_SIZE 256
187#define R600_RESOURCE_ARRAY_SIZE 160
188
189struct r600_stencil_ref
190{
191	ubyte ref_value[2];
192	ubyte valuemask[2];
193	ubyte writemask[2];
194};
195
196struct r600_pipe_context {
197	struct pipe_context		context;
198	struct blitter_context		*blitter;
199	enum radeon_family		family;
200	enum chip_class			chip_class;
201	unsigned			r6xx_num_clause_temp_gprs;
202	void				*custom_dsa_flush;
203	struct r600_screen		*screen;
204	struct radeon_winsys		*ws;
205	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
206	struct r600_context		ctx;
207	struct r600_vertex_element	*vertex_elements;
208	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
209	struct pipe_framebuffer_state	framebuffer;
210	unsigned			cb_target_mask;
211	unsigned			cb_color_control;
212	/* for saving when using blitter */
213	struct pipe_stencil_ref		stencil_ref;
214	struct pipe_viewport_state	viewport;
215	struct pipe_clip_state		clip;
216	struct r600_pipe_state		config;
217	struct r600_pipe_shader 	*ps_shader;
218	struct r600_pipe_shader 	*vs_shader;
219	struct r600_pipe_state		vs_const_buffer;
220	struct r600_pipe_resource_state		vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
221	struct r600_pipe_state		ps_const_buffer;
222	struct r600_pipe_resource_state		ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
223	struct r600_pipe_rasterizer	*rasterizer;
224	struct r600_pipe_state          vgt;
225	struct r600_pipe_state          spi;
226	struct pipe_query		*current_render_cond;
227	unsigned			current_render_cond_mode;
228	struct pipe_query		*saved_render_cond;
229	unsigned			saved_render_cond_mode;
230	/* shader information */
231	boolean				two_side;
232	unsigned			user_clip_plane_enable;
233	unsigned			clip_dist_enable;
234	unsigned			sprite_coord_enable;
235	boolean				export_16bpc;
236	unsigned			alpha_ref;
237	boolean				alpha_ref_dirty;
238	unsigned			nr_cbufs;
239	struct r600_textures_info	vs_samplers;
240	struct r600_textures_info	ps_samplers;
241
242	struct u_vbuf			*vbuf_mgr;
243	struct util_slab_mempool	pool_transfers;
244	boolean				have_depth_texture, have_depth_fb;
245
246	unsigned default_ps_gprs, default_vs_gprs;
247};
248
249/* evergreen_state.c */
250void evergreen_init_state_functions(struct r600_pipe_context *rctx);
251void evergreen_init_config(struct r600_pipe_context *rctx);
252void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
253void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
254void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
255void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
256void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
257void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
258					 struct r600_pipe_resource_state *rstate);
259void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
260					struct r600_pipe_resource_state *rstate,
261					struct r600_resource *rbuffer,
262					unsigned offset, unsigned stride,
263					enum radeon_bo_usage usage);
264boolean evergreen_is_format_supported(struct pipe_screen *screen,
265				      enum pipe_format format,
266				      enum pipe_texture_target target,
267				      unsigned sample_count,
268				      unsigned usage);
269
270/* r600_blit.c */
271void r600_init_blit_functions(struct r600_pipe_context *rctx);
272void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
273void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
274void r600_flush_depth_textures(struct r600_pipe_context *rctx);
275
276/* r600_buffer.c */
277bool r600_init_resource(struct r600_screen *rscreen,
278			struct r600_resource *res,
279			unsigned size, unsigned alignment,
280			unsigned bind, unsigned usage);
281struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
282					 const struct pipe_resource *templ);
283struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
284					      void *ptr, unsigned bytes,
285					      unsigned bind);
286void r600_upload_index_buffer(struct r600_pipe_context *rctx,
287			      struct pipe_index_buffer *ib, unsigned count);
288
289
290/* r600_pipe.c */
291void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
292		unsigned flags);
293
294/* r600_query.c */
295void r600_init_query_functions(struct r600_pipe_context *rctx);
296
297/* r600_resource.c */
298void r600_init_context_resource_functions(struct r600_pipe_context *r600);
299
300/* r600_shader.c */
301int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
302void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
303int r600_find_vs_semantic_index(struct r600_shader *vs,
304				struct r600_shader *ps, int id);
305
306/* r600_state.c */
307void r600_update_sampler_states(struct r600_pipe_context *rctx);
308void r600_init_state_functions(struct r600_pipe_context *rctx);
309void r600_init_config(struct r600_pipe_context *rctx);
310void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
311void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
312void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
313void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
314void r600_polygon_offset_update(struct r600_pipe_context *rctx);
315void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
316				    struct r600_pipe_resource_state *rstate);
317void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
318				   struct r600_resource *rbuffer,
319				   unsigned offset, unsigned stride,
320				   enum radeon_bo_usage usage);
321void r600_adjust_gprs(struct r600_pipe_context *rctx);
322boolean r600_is_format_supported(struct pipe_screen *screen,
323				 enum pipe_format format,
324				 enum pipe_texture_target target,
325				 unsigned sample_count,
326				 unsigned usage);
327
328/* r600_texture.c */
329void r600_init_screen_texture_functions(struct pipe_screen *screen);
330void r600_init_surface_functions(struct r600_pipe_context *r600);
331uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
332				  const unsigned char *swizzle_view,
333				  uint32_t *word4_p, uint32_t *yuv_format_p);
334unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
335					unsigned level, unsigned layer);
336
337/* r600_translate.c */
338void r600_translate_index_buffer(struct r600_pipe_context *r600,
339				 struct pipe_index_buffer *ib,
340				 unsigned count);
341
342/* r600_state_common.c */
343void r600_set_index_buffer(struct pipe_context *ctx,
344			   const struct pipe_index_buffer *ib);
345void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
346			     const struct pipe_vertex_buffer *buffers);
347void *r600_create_vertex_elements(struct pipe_context *ctx,
348				  unsigned count,
349				  const struct pipe_vertex_element *elements);
350void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
351void r600_bind_blend_state(struct pipe_context *ctx, void *state);
352void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
353void r600_bind_rs_state(struct pipe_context *ctx, void *state);
354void r600_delete_rs_state(struct pipe_context *ctx, void *state);
355void r600_sampler_view_destroy(struct pipe_context *ctx,
356			       struct pipe_sampler_view *state);
357void r600_delete_state(struct pipe_context *ctx, void *state);
358void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
359void *r600_create_shader_state(struct pipe_context *ctx,
360			       const struct pipe_shader_state *state);
361void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
362void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
363void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
364void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
365void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
366			      struct pipe_resource *buffer);
367struct pipe_stream_output_target *
368r600_create_so_target(struct pipe_context *ctx,
369		      struct pipe_resource *buffer,
370		      unsigned buffer_offset,
371		      unsigned buffer_size);
372void r600_so_target_destroy(struct pipe_context *ctx,
373			    struct pipe_stream_output_target *target);
374void r600_set_so_targets(struct pipe_context *ctx,
375			 unsigned num_targets,
376			 struct pipe_stream_output_target **targets,
377			 unsigned append_bitmask);
378void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
379			       const struct pipe_stencil_ref *state);
380void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
381
382/*
383 * common helpers
384 */
385static INLINE u32 S_FIXED(float value, u32 frac_bits)
386{
387	return value * (1 << frac_bits);
388}
389#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
390
391static inline unsigned r600_tex_aniso_filter(unsigned filter)
392{
393	if (filter <= 1)   return 0;
394	if (filter <= 2)   return 1;
395	if (filter <= 4)   return 2;
396	if (filter <= 8)   return 3;
397	 /* else */        return 4;
398}
399
400/* 12.4 fixed-point */
401static INLINE unsigned r600_pack_float_12p4(float x)
402{
403	return x <= 0    ? 0 :
404	       x >= 4096 ? 0xffff : x * 16;
405}
406
407#endif
408