2 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
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:
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
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. */
23 #ifndef R300_CONTEXT_H
24 #define R300_CONTEXT_H
26 #include "draw/draw_vertex.h"
28 #include "util/u_blitter.h"
30 #include "pipe/p_context.h"
31 #include "util/u_inlines.h"
32 #include "util/u_transfer.h"
34 #include "translate/translate_cache.h"
36 #include "r300_defines.h"
37 #include "r300_screen.h"
41 struct r300_fragment_shader
;
42 struct r300_vertex_shader
;
43 struct r300_stencilref_context
;
47 struct r300_atom
*prev
, *next
;
48 /* Name, for debugging. */
54 /* Emit the state to the context. */
55 void (*emit
)(struct r300_context
*, unsigned, void*);
56 /* Upper bound on number of dwords to emit. */
58 /* Whether this atom should be emitted. */
60 /* Whether this atom may be emitted with state == NULL. */
61 boolean allow_null_state
;
64 struct r300_aa_state
{
65 struct r300_surface
*dest
;
68 uint32_t aaresolve_ctl
;
71 struct r300_blend_state
{
73 uint32_t cb_no_readwrite
[8];
76 struct r300_blend_color_state
{
80 struct r300_clip_state
{
81 struct pipe_clip_state clip
;
86 struct r300_dsa_state
{
87 struct pipe_depth_stencil_alpha_state dsa
;
89 /* This is actually a command buffer with named dwords. */
91 uint32_t alpha_function
; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
93 uint32_t z_buffer_control
; /* R300_ZB_CNTL: 0x4f00 */
94 uint32_t z_stencil_control
; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
95 uint32_t stencil_ref_mask
; /* R300_ZB_STENCILREFMASK: 0x4f08 */
97 uint32_t stencil_ref_bf
; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
99 /* The second command buffer disables zbuffer reads and writes. */
100 uint32_t cb_no_readwrite
[8];
102 /* Whether a two-sided stencil is enabled. */
104 /* Whether a fallback should be used for a two-sided stencil ref value. */
105 boolean two_sided_stencil_ref
;
108 struct r300_hyperz_state
{
109 /* This is actually a command buffer with named dwords. */
111 uint32_t zb_bw_cntl
; /* R300_ZB_BW_CNTL */
113 uint32_t zb_depthclearvalue
; /* R300_ZB_DEPTHCLEARVALUE */
115 uint32_t sc_hyperz
; /* R300_SC_HYPERZ */
118 struct r300_gpu_flush
{
119 uint32_t cb_flush_clean
[6];
122 struct r300_rs_state
{
123 /* Original rasterizer state. */
124 struct pipe_rasterizer_state rs
;
125 /* Draw-specific rasterizer state. */
126 struct pipe_rasterizer_state rs_draw
;
128 /* Command buffers. */
129 uint32_t cb_main
[25];
130 uint32_t cb_poly_offset_zb16
[5];
131 uint32_t cb_poly_offset_zb24
[5];
133 /* The index to cb_main where the cull_mode register value resides. */
134 unsigned cull_mode_index
;
136 /* Whether polygon offset is enabled. */
137 boolean polygon_offset_enable
;
139 /* This is emitted in the draw function. */
140 uint32_t color_control
; /* R300_GA_COLOR_CONTROL: 0x4278 */
143 struct r300_rs_block
{
144 uint32_t vap_vtx_state_cntl
; /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
145 uint32_t vap_vsm_vtx_assm
; /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
146 uint32_t vap_out_vtx_fmt
[2]; /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */
148 uint32_t ip
[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
149 uint32_t count
; /* R300_RS_COUNT */
150 uint32_t inst_count
; /* R300_RS_INST_COUNT */
151 uint32_t inst
[8]; /* R300_RS_INST_[0-7] */
154 struct r300_sampler_state
{
155 struct pipe_sampler_state state
;
157 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
158 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
159 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
161 /* Min/max LOD must be clamped to [0, last_level], thus
162 * it's dependent on a currently bound texture */
163 unsigned min_lod
, max_lod
;
166 struct r300_texture_format_state
{
167 uint32_t format0
; /* R300_TX_FORMAT0: 0x4480 */
168 uint32_t format1
; /* R300_TX_FORMAT1: 0x44c0 */
169 uint32_t format2
; /* R300_TX_FORMAT2: 0x4500 */
170 uint32_t tile_config
; /* R300_TX_OFFSET (subset thereof) */
173 struct r300_sampler_view
{
174 struct pipe_sampler_view base
;
176 /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
177 * derived from base. */
178 unsigned char swizzle
[4];
180 /* Copy of r300_texture::texture_format_state with format-specific bits
182 struct r300_texture_format_state format
;
184 /* The texture cache region for this texture. */
185 uint32_t texcache_region
;
188 struct r300_texture_fb_state
{
189 uint32_t pitch
[R300_MAX_TEXTURE_LEVELS
]; /* COLORPITCH or DEPTHPITCH. */
190 uint32_t format
; /* US_OUT_FMT or R300_ZB_FORMAT */
193 struct r300_texture_sampler_state
{
194 struct r300_texture_format_state format
;
195 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
196 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
197 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
200 struct r300_textures_state
{
202 struct r300_sampler_view
*sampler_views
[16];
203 int sampler_view_count
;
204 /* Sampler states. */
205 struct r300_sampler_state
*sampler_states
[16];
206 int sampler_state_count
;
208 /* This is the merge of the texture and sampler states. */
210 uint32_t tx_enable
; /* R300_TX_ENABLE: 0x4101 */
211 struct r300_texture_sampler_state regs
[16];
214 struct r300_vertex_stream_state
{
215 /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
216 uint32_t vap_prog_stream_cntl
[8];
217 /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
218 uint32_t vap_prog_stream_cntl_ext
[8];
223 struct r300_invariant_state
{
227 struct r300_vap_invariant_state
{
231 struct r300_viewport_state
{
232 float xscale
; /* R300_VAP_VPORT_XSCALE: 0x2098 */
233 float xoffset
; /* R300_VAP_VPORT_XOFFSET: 0x209c */
234 float yscale
; /* R300_VAP_VPORT_YSCALE: 0x20a0 */
235 float yoffset
; /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
236 float zscale
; /* R300_VAP_VPORT_ZSCALE: 0x20a8 */
237 float zoffset
; /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
238 uint32_t vte_control
; /* R300_VAP_VTE_CNTL: 0x20b0 */
241 struct r300_ztop_state
{
242 uint32_t z_buffer_top
; /* R300_ZB_ZTOP: 0x4f14 */
245 /* The next several objects are not pure Radeon state; they inherit from
246 * various Gallium classes. */
248 struct r300_constant_buffer
{
249 /* Buffer of constants */
251 /* Total number of vec4s */
257 * This is not a subclass of pipe_query because pipe_query is never
258 * actually fully defined. So, rather than have it as a member, and do
259 * subclass-style casting, we treat pipe_query as an opaque, and just
260 * trust that our state tracker does not ever mess up query objects.
263 /* The kind of query. Currently only OQ is supported. */
265 /* The number of pipes where query results are stored. */
267 /* How many results have been written, in dwords. It's incremented
268 * after end_query and flush. */
269 unsigned num_results
;
270 /* if we've flushed the query */
272 /* if begin has been emitted */
273 boolean begin_emitted
;
275 /* The buffer where query results are stored. */
276 struct r300_winsys_buffer
*buffer
;
277 /* The size of the buffer. */
278 unsigned buffer_size
;
279 /* The domain of the buffer. */
280 enum r300_buffer_domain domain
;
282 /* Linked list members. */
283 struct r300_query
* prev
;
284 struct r300_query
* next
;
289 * This is a fake fence. Instead of syncing with the fence, we sync
290 * with the context, which is inefficient but compliant.
292 * This is not a subclass of pipe_fence_handle because pipe_fence_handle is
293 * never actually fully defined. So, rather than have it as a member, and do
294 * subclass-style casting, we treat pipe_fence_handle as an opaque, and just
295 * trust that our state tracker does not ever mess up fence objects.
298 struct pipe_reference reference
;
299 struct r300_context
*ctx
;
303 struct r300_surface
{
304 struct pipe_surface base
;
306 /* Winsys buffer backing the texture. */
307 struct r300_winsys_buffer
*buffer
;
309 enum r300_buffer_domain domain
;
311 uint32_t offset
; /* COLOROFFSET or DEPTHOFFSET. */
312 uint32_t pitch
; /* COLORPITCH or DEPTHPITCH. */
313 uint32_t format
; /* US_OUT_FMT or ZB_FORMAT. */
315 /* Parameters dedicated to the CBZB clear. */
316 uint32_t cbzb_width
; /* Aligned width. */
317 uint32_t cbzb_height
; /* Half of the height. */
318 uint32_t cbzb_midpoint_offset
; /* DEPTHOFFSET. */
319 uint32_t cbzb_pitch
; /* DEPTHPITCH. */
320 uint32_t cbzb_format
; /* ZB_FORMAT. */
323 struct r300_texture
{
327 enum r300_buffer_domain domain
;
329 /* Offsets into the buffer. */
330 unsigned offset
[R300_MAX_TEXTURE_LEVELS
];
332 /* A pitch for each mip-level */
333 unsigned pitch
[R300_MAX_TEXTURE_LEVELS
];
335 /* A pitch multiplied by blockwidth as hardware wants
336 * the number of pixels instead of the number of blocks. */
337 unsigned hwpitch
[R300_MAX_TEXTURE_LEVELS
];
339 /* Size of one zslice or face based on the texture target */
340 unsigned layer_size
[R300_MAX_TEXTURE_LEVELS
];
342 /* Whether the mipmap level is macrotiled. */
343 enum r300_buffer_tiling mip_macrotile
[R300_MAX_TEXTURE_LEVELS
];
346 * If non-zero, override the natural texture layout with
347 * a custom stride (in bytes).
349 * \note Mipmapping fails for textures with a non-natural layout!
351 * \sa r300_texture_get_stride
353 unsigned stride_override
;
355 /* Total size of this texture, in bytes. */
358 /* Whether this texture has non-power-of-two dimensions
359 * or a user-specified pitch.
360 * It can be either a regular texture or a rectangle one.
364 /* Pipe buffer backing this texture. */
365 struct r300_winsys_buffer
*buffer
;
367 /* Registers carrying texture format data. */
368 /* Only format-independent bits should be filled in. */
369 struct r300_texture_format_state tx_format
;
370 /* All bits should be filled in. */
371 struct r300_texture_fb_state fb_state
;
374 enum r300_buffer_tiling microtile
, macrotile
;
376 /* This is the level tiling flags were last time set for.
377 * It's used to prevent redundant tiling-flags changes from happening.*/
378 unsigned surface_level
;
381 struct r300_vertex_element_state
{
383 struct pipe_vertex_element velem
[PIPE_MAX_ATTRIBS
];
385 /* If (velem[i].src_format != hw_format[i]), the vertex buffer
386 * referenced by this vertex element cannot be used for rendering and
387 * its vertex data must be translated to hw_format[i]. */
388 enum pipe_format hw_format
[PIPE_MAX_ATTRIBS
];
389 unsigned hw_format_size
[PIPE_MAX_ATTRIBS
];
391 /* The size of the vertex, in dwords. */
392 unsigned vertex_size_dwords
;
394 /* This might mean two things:
395 * - src_format != hw_format, as discussed above.
396 * - src_offset % 4 != 0. */
397 boolean incompatible_layout
;
399 struct r300_vertex_stream_state vertex_stream
;
402 struct r300_translate_context
{
403 /* Translate cache for incompatible vertex offset/stride/format fallback. */
404 struct translate_cache
*translate_cache
;
406 /* The vertex buffer slot containing the translated buffer. */
409 /* Saved and new vertex element state. */
410 void *saved_velems
, *new_velems
;
413 struct r300_context
{
415 struct pipe_context context
;
417 /* The interface to the windowing system, etc. */
418 struct r300_winsys_screen
*rws
;
419 /* The command stream. */
420 struct r300_winsys_cs
*cs
;
422 struct r300_screen
*screen
;
423 /* Draw module. Used mostly for SW TCL. */
424 struct draw_context
* draw
;
425 /* Accelerated blit support. */
426 struct blitter_context
* blitter
;
427 /* Stencil two-sided reference value fallback. */
428 struct r300_stencilref_context
*stencilref_fallback
;
429 /* For translating vertex buffers having incompatible vertex layout. */
430 struct r300_translate_context tran
;
432 /* Vertex buffer for rendering. */
433 struct pipe_resource
* vbo
;
434 /* The KIL opcode needs the first texture unit to be enabled
435 * on r3xx-r4xx. In order to calm down the CS checker, we bind this
436 * dummy texture there. */
437 struct r300_sampler_view
*texkill_sampler
;
438 /* Offset into the VBO. */
441 /* The currently active query. */
442 struct r300_query
*query_current
;
443 /* The saved query for blitter operations. */
444 struct r300_query
*blitter_saved_query
;
446 struct r300_query query_list
;
448 /* Various CSO state objects. */
449 /* Beginning of atom list. */
450 struct r300_atom atom_list
;
451 /* Anti-aliasing (MSAA) state. */
452 struct r300_atom aa_state
;
454 struct r300_atom blend_state
;
455 /* Blend color state. */
456 struct r300_atom blend_color_state
;
457 /* User clip planes. */
458 struct r300_atom clip_state
;
459 /* Depth, stencil, and alpha state. */
460 struct r300_atom dsa_state
;
461 /* Fragment shader. */
463 /* Fragment shader RC_CONSTANT_STATE variables. */
464 struct r300_atom fs_rc_constant_state
;
465 /* Fragment shader constant buffer. */
466 struct r300_atom fs_constants
;
467 /* Framebuffer state. */
468 struct r300_atom fb_state
;
469 /* Framebuffer state (pipelined regs). */
470 struct r300_atom fb_state_pipelined
;
471 /* HyperZ state (various SC/ZB bits). */
472 struct r300_atom hyperz_state
;
473 /* Occlusion query. */
474 struct r300_atom query_start
;
475 /* Rasterizer state. */
476 struct r300_atom rs_state
;
477 /* RS block state + VAP (vertex shader) output mapping state. */
478 struct r300_atom rs_block_state
;
480 struct r300_atom scissor_state
;
481 /* Textures state. */
482 struct r300_atom textures_state
;
483 /* Vertex stream formatting state. */
484 struct r300_atom vertex_stream_state
;
486 struct r300_atom vs_state
;
487 /* Vertex shader constant buffer. */
488 struct r300_atom vs_constants
;
489 /* Viewport state. */
490 struct r300_atom viewport_state
;
492 struct r300_atom ztop_state
;
494 struct r300_atom pvs_flush
;
495 /* VAP invariant state. */
496 struct r300_atom vap_invariant_state
;
497 /* Texture cache invalidate. */
498 struct r300_atom texture_cache_inval
;
500 struct r300_atom gpu_flush
;
502 /* Invariant state. This must be emitted to get the engine started. */
503 struct r300_atom invariant_state
;
505 /* Vertex buffers for Gallium. */
506 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
507 int vertex_buffer_count
;
508 int vertex_buffer_max_index
;
509 /* Vertex elements for Gallium. */
510 struct r300_vertex_element_state
*velems
;
513 /* Vertex info for Draw. */
514 struct vertex_info vertex_info
;
516 struct pipe_stencil_ref stencil_ref
;
517 struct pipe_viewport_state viewport
;
519 /* Stream locations for SWTCL. */
520 int stream_loc_notcl
[16];
522 /* Flag indicating whether or not the HW is dirty. */
524 /* Whether polygon offset is enabled. */
525 boolean polygon_offset_enabled
;
526 /* Z buffer bit depth. */
527 uint32_t zbuffer_bpp
;
528 /* Whether rendering is conditional and should be skipped. */
529 boolean skip_rendering
;
530 /* Point sprites texcoord index, 1 bit per texcoord */
531 int sprite_coord_enable
;
532 /* Whether two-sided color selection is enabled (AKA light_twoside). */
533 boolean two_sided_color
;
534 /* Incompatible vertex buffer layout? (misaligned stride or buffer_offset) */
535 boolean incompatible_vb_layout
;
538 /* upload managers */
539 struct u_upload_mgr
*upload_vb
;
540 struct u_upload_mgr
*upload_ib
;
543 uint64_t flush_counter
;
546 /* Convenience cast wrappers. */
547 static INLINE
struct r300_query
* r300_query(struct pipe_query
* q
)
549 return (struct r300_query
*)q
;
552 static INLINE
struct r300_surface
* r300_surface(struct pipe_surface
* surf
)
554 return (struct r300_surface
*)surf
;
557 static INLINE
struct r300_texture
* r300_texture(struct pipe_resource
* tex
)
559 return (struct r300_texture
*)tex
;
562 static INLINE
struct r300_context
* r300_context(struct pipe_context
* context
)
564 return (struct r300_context
*)context
;
567 static INLINE
struct r300_fragment_shader
*r300_fs(struct r300_context
*r300
)
569 return (struct r300_fragment_shader
*)r300
->fs
.state
;
572 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
575 void r300_finish(struct r300_context
*r300
);
576 void r300_flush_cb(void *data
);
578 /* Context initialization. */
579 struct draw_stage
* r300_draw_stage(struct r300_context
* r300
);
580 void r300_init_blit_functions(struct r300_context
*r300
);
581 void r300_init_flush_functions(struct r300_context
* r300
);
582 void r300_init_query_functions(struct r300_context
* r300
);
583 void r300_init_render_functions(struct r300_context
*r300
);
584 void r300_init_state_functions(struct r300_context
* r300
);
585 void r300_init_resource_functions(struct r300_context
* r300
);
588 void r300_resume_query(struct r300_context
*r300
,
589 struct r300_query
*query
);
590 void r300_stop_query(struct r300_context
*r300
);
592 /* r300_render_translate.c */
593 void r300_begin_vertex_translate(struct r300_context
*r300
);
594 void r300_end_vertex_translate(struct r300_context
*r300
);
595 void r300_translate_index_buffer(struct r300_context
*r300
,
596 struct pipe_resource
**index_buffer
,
597 unsigned *index_size
, unsigned index_offset
,
598 unsigned *start
, unsigned count
);
600 /* r300_render_stencilref.c */
601 void r300_plug_in_stencil_ref_fallback(struct r300_context
*r300
);
604 enum r300_fb_state_change
{
605 R300_CHANGED_FB_STATE
= 0,
606 R300_CHANGED_CBZB_FLAG
609 void r300_mark_fb_state_dirty(struct r300_context
*r300
,
610 enum r300_fb_state_change change
);
611 void r300_mark_fs_code_dirty(struct r300_context
*r300
);
614 void r500_dump_rs_block(struct r300_rs_block
*rs
);
617 static INLINE boolean
CTX_DBG_ON(struct r300_context
* ctx
, unsigned flags
)
619 return SCREEN_DBG_ON(ctx
->screen
, flags
);
622 static INLINE
void CTX_DBG(struct r300_context
* ctx
, unsigned flags
,
623 const char * fmt
, ...)
625 if (CTX_DBG_ON(ctx
, flags
)) {
628 vfprintf(stderr
, fmt
, va
);
633 #define DBG_ON CTX_DBG_ON
636 #endif /* R300_CONTEXT_H */