r600_pipe.h revision b1b969f670c50a15110fd41527ccbc7e885e1cdd
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	unsigned			pa_sc_line_stipple;
113	unsigned			pa_su_sc_mode_cntl;
114	unsigned			pa_cl_clip_cntl;
115	float				offset_units;
116	float				offset_scale;
117};
118
119struct r600_pipe_blend {
120	struct r600_pipe_state		rstate;
121	unsigned			cb_target_mask;
122	unsigned			cb_color_control;
123};
124
125struct r600_pipe_dsa {
126	struct r600_pipe_state		rstate;
127	unsigned			alpha_ref;
128	unsigned			db_render_override;
129	ubyte				valuemask[2];
130	ubyte				writemask[2];
131};
132
133struct r600_vertex_element
134{
135	unsigned			count;
136	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
137	struct u_vbuf_elements		*vmgr_elements;
138	struct r600_resource		*fetch_shader;
139	unsigned			fs_size;
140	struct r600_pipe_state		rstate;
141	/* if offset is to big for fetch instructio we need to alterate
142	 * offset of vertex buffer, record here the offset need to add
143	 */
144	unsigned			vbuffer_need_offset;
145	unsigned			vbuffer_offset[PIPE_MAX_ATTRIBS];
146};
147
148struct r600_pipe_shader {
149	struct r600_shader		shader;
150	struct r600_pipe_state		rstate;
151	struct r600_resource		*bo;
152	struct r600_resource		*bo_fetch;
153	struct r600_vertex_element	vertex_elements;
154	struct tgsi_token		*tokens;
155	unsigned	sprite_coord_enable;
156	unsigned	flatshade;
157	unsigned	pa_cl_vs_out_cntl;
158	struct pipe_stream_output_info	so;
159};
160
161struct r600_pipe_sampler_state {
162	struct r600_pipe_state		rstate;
163	boolean seamless_cube_map;
164};
165
166/* needed for blitter save */
167#define NUM_TEX_UNITS 16
168
169struct r600_textures_info {
170	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
171	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
172	unsigned			n_views;
173	unsigned			n_samplers;
174	bool				samplers_dirty;
175	bool				is_array_sampler[NUM_TEX_UNITS];
176};
177
178struct r600_fence {
179	struct pipe_reference		reference;
180	unsigned			index; /* in the shared bo */
181	struct list_head		head;
182};
183
184#define FENCE_BLOCK_SIZE 16
185
186struct r600_fence_block {
187	struct r600_fence		fences[FENCE_BLOCK_SIZE];
188	struct list_head		head;
189};
190
191#define R600_CONSTANT_ARRAY_SIZE 256
192#define R600_RESOURCE_ARRAY_SIZE 160
193
194struct r600_stencil_ref
195{
196	ubyte ref_value[2];
197	ubyte valuemask[2];
198	ubyte writemask[2];
199};
200
201struct r600_pipe_context {
202	struct pipe_context		context;
203	struct blitter_context		*blitter;
204	enum radeon_family		family;
205	enum chip_class			chip_class;
206	unsigned			r6xx_num_clause_temp_gprs;
207	void				*custom_dsa_flush;
208	struct r600_screen		*screen;
209	struct radeon_winsys		*ws;
210	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
211	struct r600_context		ctx;
212	struct r600_vertex_element	*vertex_elements;
213	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
214	struct pipe_framebuffer_state	framebuffer;
215	unsigned			cb_target_mask;
216	unsigned			cb_color_control;
217	unsigned			pa_sc_line_stipple;
218	unsigned			pa_su_sc_mode_cntl;
219	unsigned			pa_cl_clip_cntl;
220	/* for saving when using blitter */
221	struct pipe_stencil_ref		stencil_ref;
222	struct pipe_viewport_state	viewport;
223	struct pipe_clip_state		clip;
224	struct r600_pipe_state		config;
225	struct r600_pipe_shader 	*ps_shader;
226	struct r600_pipe_shader 	*vs_shader;
227	struct r600_pipe_state		vs_const_buffer;
228	struct r600_pipe_resource_state		vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
229	struct r600_pipe_state		ps_const_buffer;
230	struct r600_pipe_resource_state		ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
231	struct r600_pipe_rasterizer	*rasterizer;
232	struct r600_pipe_state          vgt;
233	struct r600_pipe_state          spi;
234	struct pipe_query		*current_render_cond;
235	unsigned			current_render_cond_mode;
236	struct pipe_query		*saved_render_cond;
237	unsigned			saved_render_cond_mode;
238	/* shader information */
239	boolean				two_side;
240	unsigned			sprite_coord_enable;
241	boolean				export_16bpc;
242	unsigned			alpha_ref;
243	boolean				alpha_ref_dirty;
244	unsigned			nr_cbufs;
245	struct r600_textures_info	vs_samplers;
246	struct r600_textures_info	ps_samplers;
247
248	struct u_vbuf			*vbuf_mgr;
249	struct util_slab_mempool	pool_transfers;
250	boolean				have_depth_texture, have_depth_fb;
251
252	unsigned default_ps_gprs, default_vs_gprs;
253};
254
255/* evergreen_state.c */
256void evergreen_init_state_functions(struct r600_pipe_context *rctx);
257void evergreen_init_config(struct r600_pipe_context *rctx);
258void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
259void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
260void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
261void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
262void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
263void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
264					 struct r600_pipe_resource_state *rstate);
265void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
266					struct r600_pipe_resource_state *rstate,
267					struct r600_resource *rbuffer,
268					unsigned offset, unsigned stride,
269					enum radeon_bo_usage usage);
270boolean evergreen_is_format_supported(struct pipe_screen *screen,
271				      enum pipe_format format,
272				      enum pipe_texture_target target,
273				      unsigned sample_count,
274				      unsigned usage);
275
276/* r600_blit.c */
277void r600_init_blit_functions(struct r600_pipe_context *rctx);
278void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
279void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
280void r600_flush_depth_textures(struct r600_pipe_context *rctx);
281
282/* r600_buffer.c */
283bool r600_init_resource(struct r600_screen *rscreen,
284			struct r600_resource *res,
285			unsigned size, unsigned alignment,
286			unsigned bind, unsigned usage);
287struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
288					 const struct pipe_resource *templ);
289struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
290					      void *ptr, unsigned bytes,
291					      unsigned bind);
292void r600_upload_index_buffer(struct r600_pipe_context *rctx,
293			      struct pipe_index_buffer *ib, unsigned count);
294
295
296/* r600_pipe.c */
297void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
298		unsigned flags);
299
300/* r600_query.c */
301void r600_init_query_functions(struct r600_pipe_context *rctx);
302
303/* r600_resource.c */
304void r600_init_context_resource_functions(struct r600_pipe_context *r600);
305
306/* r600_shader.c */
307int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
308void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
309int r600_find_vs_semantic_index(struct r600_shader *vs,
310				struct r600_shader *ps, int id);
311
312/* r600_state.c */
313void r600_update_sampler_states(struct r600_pipe_context *rctx);
314void r600_init_state_functions(struct r600_pipe_context *rctx);
315void r600_init_config(struct r600_pipe_context *rctx);
316void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
317void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
318void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
319void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
320void r600_polygon_offset_update(struct r600_pipe_context *rctx);
321void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
322				    struct r600_pipe_resource_state *rstate);
323void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
324				   struct r600_resource *rbuffer,
325				   unsigned offset, unsigned stride,
326				   enum radeon_bo_usage usage);
327void r600_adjust_gprs(struct r600_pipe_context *rctx);
328boolean r600_is_format_supported(struct pipe_screen *screen,
329				 enum pipe_format format,
330				 enum pipe_texture_target target,
331				 unsigned sample_count,
332				 unsigned usage);
333
334/* r600_texture.c */
335void r600_init_screen_texture_functions(struct pipe_screen *screen);
336void r600_init_surface_functions(struct r600_pipe_context *r600);
337uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
338				  const unsigned char *swizzle_view,
339				  uint32_t *word4_p, uint32_t *yuv_format_p);
340unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
341					unsigned level, unsigned layer);
342
343/* r600_translate.c */
344void r600_translate_index_buffer(struct r600_pipe_context *r600,
345				 struct pipe_index_buffer *ib,
346				 unsigned count);
347
348/* r600_state_common.c */
349void r600_set_index_buffer(struct pipe_context *ctx,
350			   const struct pipe_index_buffer *ib);
351void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
352			     const struct pipe_vertex_buffer *buffers);
353void *r600_create_vertex_elements(struct pipe_context *ctx,
354				  unsigned count,
355				  const struct pipe_vertex_element *elements);
356void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
357void r600_bind_blend_state(struct pipe_context *ctx, void *state);
358void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
359void r600_bind_rs_state(struct pipe_context *ctx, void *state);
360void r600_delete_rs_state(struct pipe_context *ctx, void *state);
361void r600_sampler_view_destroy(struct pipe_context *ctx,
362			       struct pipe_sampler_view *state);
363void r600_delete_state(struct pipe_context *ctx, void *state);
364void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
365void *r600_create_shader_state(struct pipe_context *ctx,
366			       const struct pipe_shader_state *state);
367void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
368void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
369void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
370void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
371void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
372			      struct pipe_resource *buffer);
373struct pipe_stream_output_target *
374r600_create_so_target(struct pipe_context *ctx,
375		      struct pipe_resource *buffer,
376		      unsigned buffer_offset,
377		      unsigned buffer_size);
378void r600_so_target_destroy(struct pipe_context *ctx,
379			    struct pipe_stream_output_target *target);
380void r600_set_so_targets(struct pipe_context *ctx,
381			 unsigned num_targets,
382			 struct pipe_stream_output_target **targets,
383			 unsigned append_bitmask);
384void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
385			       const struct pipe_stencil_ref *state);
386void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
387
388/*
389 * common helpers
390 */
391static INLINE u32 S_FIXED(float value, u32 frac_bits)
392{
393	return value * (1 << frac_bits);
394}
395#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
396
397static inline unsigned r600_tex_aniso_filter(unsigned filter)
398{
399	if (filter <= 1)   return 0;
400	if (filter <= 2)   return 1;
401	if (filter <= 4)   return 2;
402	if (filter <= 8)   return 3;
403	 /* else */        return 4;
404}
405
406/* 12.4 fixed-point */
407static INLINE unsigned r600_pack_float_12p4(float x)
408{
409	return x <= 0    ? 0 :
410	       x >= 4096 ? 0xffff : x * 16;
411}
412
413#endif
414