r600_pipe.h revision a652cc40b9641d0b51e0a8533924a50073a50aae
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	float				offset_units;
115	float				offset_scale;
116};
117
118struct r600_pipe_blend {
119	struct r600_pipe_state		rstate;
120	unsigned			cb_target_mask;
121	unsigned			cb_color_control;
122};
123
124struct r600_pipe_dsa {
125	struct r600_pipe_state		rstate;
126	unsigned			alpha_ref;
127	ubyte				valuemask[2];
128	ubyte				writemask[2];
129};
130
131struct r600_vertex_element
132{
133	unsigned			count;
134	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
135	struct u_vbuf_elements		*vmgr_elements;
136	struct r600_resource		*fetch_shader;
137	unsigned			fs_size;
138	struct r600_pipe_state		rstate;
139	/* if offset is to big for fetch instructio we need to alterate
140	 * offset of vertex buffer, record here the offset need to add
141	 */
142	unsigned			vbuffer_need_offset;
143	unsigned			vbuffer_offset[PIPE_MAX_ATTRIBS];
144};
145
146struct r600_pipe_shader {
147	struct r600_shader		shader;
148	struct r600_pipe_state		rstate;
149	struct r600_resource		*bo;
150	struct r600_resource		*bo_fetch;
151	struct r600_vertex_element	vertex_elements;
152	struct tgsi_token		*tokens;
153	unsigned	sprite_coord_enable;
154	unsigned	flatshade;
155	struct pipe_stream_output_info	so;
156};
157
158struct r600_pipe_sampler_state {
159	struct r600_pipe_state		rstate;
160	boolean seamless_cube_map;
161};
162
163/* needed for blitter save */
164#define NUM_TEX_UNITS 16
165
166struct r600_textures_info {
167	struct r600_pipe_sampler_view	*views[NUM_TEX_UNITS];
168	struct r600_pipe_sampler_state	*samplers[NUM_TEX_UNITS];
169	unsigned			n_views;
170	unsigned			n_samplers;
171	bool				samplers_dirty;
172	bool				is_array_sampler[NUM_TEX_UNITS];
173};
174
175struct r600_fence {
176	struct pipe_reference		reference;
177	unsigned			index; /* in the shared bo */
178	struct list_head		head;
179};
180
181#define FENCE_BLOCK_SIZE 16
182
183struct r600_fence_block {
184	struct r600_fence		fences[FENCE_BLOCK_SIZE];
185	struct list_head		head;
186};
187
188#define R600_CONSTANT_ARRAY_SIZE 256
189#define R600_RESOURCE_ARRAY_SIZE 160
190
191struct r600_stencil_ref
192{
193	ubyte ref_value[2];
194	ubyte valuemask[2];
195	ubyte writemask[2];
196};
197
198struct r600_pipe_context {
199	struct pipe_context		context;
200	struct blitter_context		*blitter;
201	enum radeon_family		family;
202	enum chip_class			chip_class;
203	unsigned			r6xx_num_clause_temp_gprs;
204	void				*custom_dsa_flush;
205	struct r600_screen		*screen;
206	struct radeon_winsys		*ws;
207	struct r600_pipe_state		*states[R600_PIPE_NSTATES];
208	struct r600_context		ctx;
209	struct r600_vertex_element	*vertex_elements;
210	struct r600_pipe_resource_state	fs_resource[PIPE_MAX_ATTRIBS];
211	struct pipe_framebuffer_state	framebuffer;
212	unsigned			cb_target_mask;
213	unsigned			cb_color_control;
214	unsigned			pa_sc_line_stipple;
215	unsigned			pa_su_sc_mode_cntl;
216	/* for saving when using blitter */
217	struct pipe_stencil_ref		stencil_ref;
218	struct pipe_viewport_state	viewport;
219	struct pipe_clip_state		clip;
220	struct r600_pipe_state		config;
221	struct r600_pipe_shader 	*ps_shader;
222	struct r600_pipe_shader 	*vs_shader;
223	struct r600_pipe_state		vs_const_buffer;
224	struct r600_pipe_resource_state		vs_const_buffer_resource[R600_MAX_CONST_BUFFERS];
225	struct r600_pipe_state		ps_const_buffer;
226	struct r600_pipe_resource_state		ps_const_buffer_resource[R600_MAX_CONST_BUFFERS];
227	struct r600_pipe_rasterizer	*rasterizer;
228	struct r600_pipe_state          vgt;
229	struct r600_pipe_state          spi;
230	struct pipe_query		*current_render_cond;
231	unsigned			current_render_cond_mode;
232	struct pipe_query		*saved_render_cond;
233	unsigned			saved_render_cond_mode;
234	/* shader information */
235	boolean				two_side;
236	unsigned			user_clip_plane_enable;
237	unsigned			clip_dist_enable;
238	unsigned			sprite_coord_enable;
239	boolean				export_16bpc;
240	unsigned			alpha_ref;
241	boolean				alpha_ref_dirty;
242	unsigned			nr_cbufs;
243	struct r600_textures_info	vs_samplers;
244	struct r600_textures_info	ps_samplers;
245
246	struct u_vbuf			*vbuf_mgr;
247	struct util_slab_mempool	pool_transfers;
248	boolean				have_depth_texture, have_depth_fb;
249
250	unsigned default_ps_gprs, default_vs_gprs;
251};
252
253/* evergreen_state.c */
254void evergreen_init_state_functions(struct r600_pipe_context *rctx);
255void evergreen_init_config(struct r600_pipe_context *rctx);
256void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
257void evergreen_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
258void evergreen_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
259void *evergreen_create_db_flush_dsa(struct r600_pipe_context *rctx);
260void evergreen_polygon_offset_update(struct r600_pipe_context *rctx);
261void evergreen_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
262					 struct r600_pipe_resource_state *rstate);
263void evergreen_pipe_mod_buffer_resource(struct pipe_context *ctx,
264					struct r600_pipe_resource_state *rstate,
265					struct r600_resource *rbuffer,
266					unsigned offset, unsigned stride,
267					enum radeon_bo_usage usage);
268boolean evergreen_is_format_supported(struct pipe_screen *screen,
269				      enum pipe_format format,
270				      enum pipe_texture_target target,
271				      unsigned sample_count,
272				      unsigned usage);
273
274/* r600_blit.c */
275void r600_init_blit_functions(struct r600_pipe_context *rctx);
276void r600_blit_uncompress_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
277void r600_blit_push_depth(struct pipe_context *ctx, struct r600_resource_texture *texture);
278void r600_flush_depth_textures(struct r600_pipe_context *rctx);
279
280/* r600_buffer.c */
281bool r600_init_resource(struct r600_screen *rscreen,
282			struct r600_resource *res,
283			unsigned size, unsigned alignment,
284			unsigned bind, unsigned usage);
285struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
286					 const struct pipe_resource *templ);
287struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
288					      void *ptr, unsigned bytes,
289					      unsigned bind);
290void r600_upload_index_buffer(struct r600_pipe_context *rctx,
291			      struct pipe_index_buffer *ib, unsigned count);
292
293
294/* r600_pipe.c */
295void r600_flush(struct pipe_context *ctx, struct pipe_fence_handle **fence,
296		unsigned flags);
297
298/* r600_query.c */
299void r600_init_query_functions(struct r600_pipe_context *rctx);
300
301/* r600_resource.c */
302void r600_init_context_resource_functions(struct r600_pipe_context *r600);
303
304/* r600_shader.c */
305int r600_pipe_shader_create(struct pipe_context *ctx, struct r600_pipe_shader *shader);
306void r600_pipe_shader_destroy(struct pipe_context *ctx, struct r600_pipe_shader *shader);
307int r600_find_vs_semantic_index(struct r600_shader *vs,
308				struct r600_shader *ps, int id);
309
310/* r600_state.c */
311void r600_update_sampler_states(struct r600_pipe_context *rctx);
312void r600_init_state_functions(struct r600_pipe_context *rctx);
313void r600_init_config(struct r600_pipe_context *rctx);
314void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader);
315void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader);
316void r600_fetch_shader(struct pipe_context *ctx, struct r600_vertex_element *ve);
317void *r600_create_db_flush_dsa(struct r600_pipe_context *rctx);
318void r600_polygon_offset_update(struct r600_pipe_context *rctx);
319void r600_pipe_init_buffer_resource(struct r600_pipe_context *rctx,
320				    struct r600_pipe_resource_state *rstate);
321void r600_pipe_mod_buffer_resource(struct r600_pipe_resource_state *rstate,
322				   struct r600_resource *rbuffer,
323				   unsigned offset, unsigned stride,
324				   enum radeon_bo_usage usage);
325void r600_adjust_gprs(struct r600_pipe_context *rctx);
326boolean r600_is_format_supported(struct pipe_screen *screen,
327				 enum pipe_format format,
328				 enum pipe_texture_target target,
329				 unsigned sample_count,
330				 unsigned usage);
331
332/* r600_texture.c */
333void r600_init_screen_texture_functions(struct pipe_screen *screen);
334void r600_init_surface_functions(struct r600_pipe_context *r600);
335uint32_t r600_translate_texformat(struct pipe_screen *screen, enum pipe_format format,
336				  const unsigned char *swizzle_view,
337				  uint32_t *word4_p, uint32_t *yuv_format_p);
338unsigned r600_texture_get_offset(struct r600_resource_texture *rtex,
339					unsigned level, unsigned layer);
340
341/* r600_translate.c */
342void r600_translate_index_buffer(struct r600_pipe_context *r600,
343				 struct pipe_index_buffer *ib,
344				 unsigned count);
345
346/* r600_state_common.c */
347void r600_set_index_buffer(struct pipe_context *ctx,
348			   const struct pipe_index_buffer *ib);
349void r600_set_vertex_buffers(struct pipe_context *ctx, unsigned count,
350			     const struct pipe_vertex_buffer *buffers);
351void *r600_create_vertex_elements(struct pipe_context *ctx,
352				  unsigned count,
353				  const struct pipe_vertex_element *elements);
354void r600_delete_vertex_element(struct pipe_context *ctx, void *state);
355void r600_bind_blend_state(struct pipe_context *ctx, void *state);
356void r600_bind_dsa_state(struct pipe_context *ctx, void *state);
357void r600_bind_rs_state(struct pipe_context *ctx, void *state);
358void r600_delete_rs_state(struct pipe_context *ctx, void *state);
359void r600_sampler_view_destroy(struct pipe_context *ctx,
360			       struct pipe_sampler_view *state);
361void r600_delete_state(struct pipe_context *ctx, void *state);
362void r600_bind_vertex_elements(struct pipe_context *ctx, void *state);
363void *r600_create_shader_state(struct pipe_context *ctx,
364			       const struct pipe_shader_state *state);
365void r600_bind_ps_shader(struct pipe_context *ctx, void *state);
366void r600_bind_vs_shader(struct pipe_context *ctx, void *state);
367void r600_delete_ps_shader(struct pipe_context *ctx, void *state);
368void r600_delete_vs_shader(struct pipe_context *ctx, void *state);
369void r600_set_constant_buffer(struct pipe_context *ctx, uint shader, uint index,
370			      struct pipe_resource *buffer);
371struct pipe_stream_output_target *
372r600_create_so_target(struct pipe_context *ctx,
373		      struct pipe_resource *buffer,
374		      unsigned buffer_offset,
375		      unsigned buffer_size);
376void r600_so_target_destroy(struct pipe_context *ctx,
377			    struct pipe_stream_output_target *target);
378void r600_set_so_targets(struct pipe_context *ctx,
379			 unsigned num_targets,
380			 struct pipe_stream_output_target **targets,
381			 unsigned append_bitmask);
382void r600_set_pipe_stencil_ref(struct pipe_context *ctx,
383			       const struct pipe_stencil_ref *state);
384void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info);
385
386/*
387 * common helpers
388 */
389static INLINE u32 S_FIXED(float value, u32 frac_bits)
390{
391	return value * (1 << frac_bits);
392}
393#define ALIGN_DIVUP(x, y) (((x) + (y) - 1) / (y))
394
395static inline unsigned r600_tex_aniso_filter(unsigned filter)
396{
397	if (filter <= 1)   return 0;
398	if (filter <= 2)   return 1;
399	if (filter <= 4)   return 2;
400	if (filter <= 8)   return 3;
401	 /* else */        return 4;
402}
403
404/* 12.4 fixed-point */
405static INLINE unsigned r600_pack_float_12p4(float x)
406{
407	return x <= 0    ? 0 :
408	       x >= 4096 ? 0xffff : x * 16;
409}
410
411#endif
412