r600_pipe.h revision 78293b99b23268e6698f1267aaf40647c17d95a5
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	unsigned			db_render_control;
130	ubyte				valuemask[2];
131	ubyte				writemask[2];
132};
133
134struct r600_vertex_element
135{
136	unsigned			count;
137	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
138	struct u_vbuf_elements		*vmgr_elements;
139	struct r600_resource		*fetch_shader;
140	unsigned			fs_size;
141	struct r600_pipe_state		rstate;
142	/* if offset is to big for fetch instructio we need to alterate
143	 * offset of vertex buffer, record here the offset need to add
144	 */
145	unsigned			vbuffer_need_offset;
146	unsigned			vbuffer_offset[PIPE_MAX_ATTRIBS];
147};
148
149struct r600_pipe_shader {
150	struct r600_shader		shader;
151	struct r600_pipe_state		rstate;
152	struct r600_resource		*bo;
153	struct r600_resource		*bo_fetch;
154	struct r600_vertex_element	vertex_elements;
155	struct tgsi_token		*tokens;
156	unsigned	sprite_coord_enable;
157	unsigned	flatshade;
158	unsigned	pa_cl_vs_out_cntl;
159	struct pipe_stream_output_info	so;
160};
161
162struct r600_pipe_sampler_state {
163	struct r600_pipe_state		rstate;
164	boolean seamless_cube_map;
165};
166
167/* needed for blitter save */
168#define NUM_TEX_UNITS 16
169
170struct r600_textures_info {
171	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
172	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
173	unsigned			n_views;
174	unsigned			n_samplers;
175	bool				samplers_dirty;
176	bool				is_array_sampler[NUM_TEX_UNITS];
177};
178
179struct r600_fence {
180	struct pipe_reference		reference;
181	unsigned			index; /* in the shared bo */
182	struct list_head		head;
183};
184
185#define FENCE_BLOCK_SIZE 16
186
187struct r600_fence_block {
188	struct r600_fence		fences[FENCE_BLOCK_SIZE];
189	struct list_head		head;
190};
191
192#define R600_CONSTANT_ARRAY_SIZE 256
193#define R600_RESOURCE_ARRAY_SIZE 160
194
195struct r600_stencil_ref
196{
197	ubyte ref_value[2];
198	ubyte valuemask[2];
199	ubyte writemask[2];
200};
201
202struct r600_pipe_context {
203	struct pipe_context		context;
204	struct blitter_context		*blitter;
205	enum radeon_family		family;
206	enum chip_class			chip_class;
207	unsigned			r6xx_num_clause_temp_gprs;
208	void				*custom_dsa_flush;
209	struct r600_screen		*screen;
210	struct radeon_winsys		*ws;
211	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
212	struct r600_context		ctx;
213	struct r600_vertex_element	*vertex_elements;
214	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
215	struct pipe_framebuffer_state	framebuffer;
216	unsigned			cb_target_mask;
217	unsigned			cb_color_control;
218	unsigned			pa_sc_line_stipple;
219	unsigned			pa_su_sc_mode_cntl;
220	unsigned			pa_cl_clip_cntl;
221	/* for saving when using blitter */
222	struct pipe_stencil_ref		stencil_ref;
223	struct pipe_viewport_state	viewport;
224	struct pipe_clip_state		clip;
225	struct r600_pipe_state		config;
226	struct r600_pipe_shader 	*ps_shader;
227	struct r600_pipe_shader 	*vs_shader;
228	struct r600_pipe_state		vs_const_buffer;
229	struct r600_pipe_resource_state		vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
230	struct r600_pipe_state		ps_const_buffer;
231	struct r600_pipe_resource_state		ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
232	struct r600_pipe_rasterizer	*rasterizer;
233	struct r600_pipe_state          vgt;
234	struct r600_pipe_state          spi;
235	struct pipe_query		*current_render_cond;
236	unsigned			current_render_cond_mode;
237	struct pipe_query		*saved_render_cond;
238	unsigned			saved_render_cond_mode;
239	/* shader information */
240	boolean				two_side;
241	unsigned			sprite_coord_enable;
242	boolean				export_16bpc;
243	unsigned			alpha_ref;
244	boolean				alpha_ref_dirty;
245	unsigned			nr_cbufs;
246	struct r600_textures_info	vs_samplers;
247	struct r600_textures_info	ps_samplers;
248
249	struct u_vbuf			*vbuf_mgr;
250	struct util_slab_mempool	pool_transfers;
251	boolean				have_depth_texture, have_depth_fb;
252
253	unsigned default_ps_gprs, default_vs_gprs;
254};
255
256/* evergreen_state.c */
257void evergreen_init_state_functions(struct r600_pipe_context *rctx);
258void evergreen_init_config(struct r600_pipe_context *rctx);
259void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
260void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
261void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
262void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
263void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
264void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
265					 struct r600_pipe_resource_state *rstate);
266void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
267					struct r600_pipe_resource_state *rstate,
268					struct r600_resource *rbuffer,
269					unsigned offset, unsigned stride,
270					enum radeon_bo_usage usage);
271boolean evergreen_is_format_supported(struct pipe_screen *screen,
272				      enum pipe_format format,
273				      enum pipe_texture_target target,
274				      unsigned sample_count,
275				      unsigned usage);
276
277/* r600_blit.c */
278void r600_init_blit_functions(struct r600_pipe_context *rctx);
279void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
280void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
281void r600_flush_depth_textures(struct r600_pipe_context *rctx);
282
283/* r600_buffer.c */
284bool r600_init_resource(struct r600_screen *rscreen,
285			struct r600_resource *res,
286			unsigned size, unsigned alignment,
287			unsigned bind, unsigned usage);
288struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
289					 const struct pipe_resource *templ);
290struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
291					      void *ptr, unsigned bytes,
292					      unsigned bind);
293void r600_upload_index_buffer(struct r600_pipe_context *rctx,
294			      struct pipe_index_buffer *ib, unsigned count);
295
296
297/* r600_pipe.c */
298void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
299		unsigned flags);
300
301/* r600_query.c */
302void r600_init_query_functions(struct r600_pipe_context *rctx);
303
304/* r600_resource.c */
305void r600_init_context_resource_functions(struct r600_pipe_context *r600);
306
307/* r600_shader.c */
308int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
309void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
310int r600_find_vs_semantic_index(struct r600_shader *vs,
311				struct r600_shader *ps, int id);
312
313/* r600_state.c */
314void r600_update_sampler_states(struct r600_pipe_context *rctx);
315void r600_init_state_functions(struct r600_pipe_context *rctx);
316void r600_init_config(struct r600_pipe_context *rctx);
317void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
318void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
319void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
320void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
321void r600_polygon_offset_update(struct r600_pipe_context *rctx);
322void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
323				    struct r600_pipe_resource_state *rstate);
324void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
325				   struct r600_resource *rbuffer,
326				   unsigned offset, unsigned stride,
327				   enum radeon_bo_usage usage);
328void r600_adjust_gprs(struct r600_pipe_context *rctx);
329boolean r600_is_format_supported(struct pipe_screen *screen,
330				 enum pipe_format format,
331				 enum pipe_texture_target target,
332				 unsigned sample_count,
333				 unsigned usage);
334
335/* r600_texture.c */
336void r600_init_screen_texture_functions(struct pipe_screen *screen);
337void r600_init_surface_functions(struct r600_pipe_context *r600);
338uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
339				  const unsigned char *swizzle_view,
340				  uint32_t *word4_p, uint32_t *yuv_format_p);
341unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
342					unsigned level, unsigned layer);
343
344/* r600_translate.c */
345void r600_translate_index_buffer(struct r600_pipe_context *r600,
346				 struct pipe_index_buffer *ib,
347				 unsigned count);
348
349/* r600_state_common.c */
350void r600_set_index_buffer(struct pipe_context *ctx,
351			   const struct pipe_index_buffer *ib);
352void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
353			     const struct pipe_vertex_buffer *buffers);
354void *r600_create_vertex_elements(struct pipe_context *ctx,
355				  unsigned count,
356				  const struct pipe_vertex_element *elements);
357void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
358void r600_bind_blend_state(struct pipe_context *ctx, void *state);
359void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
360void r600_bind_rs_state(struct pipe_context *ctx, void *state);
361void r600_delete_rs_state(struct pipe_context *ctx, void *state);
362void r600_sampler_view_destroy(struct pipe_context *ctx,
363			       struct pipe_sampler_view *state);
364void r600_delete_state(struct pipe_context *ctx, void *state);
365void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
366void *r600_create_shader_state(struct pipe_context *ctx,
367			       const struct pipe_shader_state *state);
368void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
369void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
370void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
371void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
372void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
373			      struct pipe_resource *buffer);
374struct pipe_stream_output_target *
375r600_create_so_target(struct pipe_context *ctx,
376		      struct pipe_resource *buffer,
377		      unsigned buffer_offset,
378		      unsigned buffer_size);
379void r600_so_target_destroy(struct pipe_context *ctx,
380			    struct pipe_stream_output_target *target);
381void r600_set_so_targets(struct pipe_context *ctx,
382			 unsigned num_targets,
383			 struct pipe_stream_output_target **targets,
384			 unsigned append_bitmask);
385void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
386			       const struct pipe_stencil_ref *state);
387void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
388
389/*
390 * common helpers
391 */
392static INLINE uint32_t S_FIXED(float value, uint32_t frac_bits)
393{
394	return value * (1 << frac_bits);
395}
396#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
397
398static inline unsigned r600_tex_aniso_filter(unsigned filter)
399{
400	if (filter <= 1)   return 0;
401	if (filter <= 2)   return 1;
402	if (filter <= 4)   return 2;
403	if (filter <= 8)   return 3;
404	 /* else */        return 4;
405}
406
407/* 12.4 fixed-point */
408static INLINE unsigned r600_pack_float_12p4(float x)
409{
410	return x <= 0    ? 0 :
411	       x >= 4096 ? 0xffff : x * 16;
412}
413
414#endif
415