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 "r300_defines.h"
35 #include "r300_screen.h"
40 struct r300_fragment_shader
;
41 struct r300_vertex_shader
;
45 struct r300_atom
*prev
, *next
;
46 /* Name, for debugging. */
52 /* Emit the state to the context. */
53 void (*emit
)(struct r300_context
*, unsigned, void*);
54 /* Upper bound on number of dwords to emit. */
56 /* Whether this atom should be emitted. */
58 /* Whether this atom may be emitted with state == NULL. */
59 boolean allow_null_state
;
62 struct r300_blend_state
{
63 uint32_t blend_control
; /* R300_RB3D_CBLEND: 0x4e04 */
64 uint32_t alpha_blend_control
; /* R300_RB3D_ABLEND: 0x4e08 */
65 uint32_t color_channel_mask
; /* R300_RB3D_COLOR_CHANNEL_MASK: 0x4e0c */
66 uint32_t rop
; /* R300_RB3D_ROPCNTL: 0x4e18 */
67 uint32_t dither
; /* R300_RB3D_DITHER_CTL: 0x4e50 */
70 struct r300_blend_color_state
{
71 /* RV515 and earlier */
72 uint32_t blend_color
; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
74 uint32_t blend_color_red_alpha
; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
75 uint32_t blend_color_green_blue
; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
78 struct r300_dsa_state
{
79 uint32_t alpha_function
; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
80 uint32_t alpha_reference
; /* R500_FG_ALPHA_VALUE: 0x4be0 */
81 uint32_t z_buffer_control
; /* R300_ZB_CNTL: 0x4f00 */
82 uint32_t z_stencil_control
; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
83 uint32_t stencil_ref_mask
; /* R300_ZB_STENCILREFMASK: 0x4f08 */
84 uint32_t stencil_ref_bf
; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
86 /* Whether a two-sided stencil is enabled. */
88 /* Whether a fallback should be used for a two-sided stencil ref value. */
89 boolean stencil_ref_bf_fallback
;
92 struct r300_rs_state
{
93 /* Original rasterizer state. */
94 struct pipe_rasterizer_state rs
;
95 /* Draw-specific rasterizer state. */
96 struct pipe_rasterizer_state rs_draw
;
98 uint32_t vap_control_status
; /* R300_VAP_CNTL_STATUS: 0x2140 */
99 uint32_t antialiasing_config
; /* R300_GB_AA_CONFIG: 0x4020 */
100 uint32_t point_size
; /* R300_GA_POINT_SIZE: 0x421c */
101 uint32_t point_minmax
; /* R300_GA_POINT_MINMAX: 0x4230 */
102 uint32_t line_control
; /* R300_GA_LINE_CNTL: 0x4234 */
103 float depth_scale
; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
104 /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
105 float depth_offset
; /* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
106 /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
107 uint32_t polygon_offset_enable
; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
108 uint32_t cull_mode
; /* R300_SU_CULL_MODE: 0x42b8 */
109 uint32_t line_stipple_config
; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
110 uint32_t line_stipple_value
; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
111 uint32_t color_control
; /* R300_GA_COLOR_CONTROL: 0x4278 */
112 uint32_t polygon_mode
; /* R300_GA_POLY_MODE: 0x4288 */
113 uint32_t clip_rule
; /* R300_SC_CLIP_RULE: 0x43D0 */
115 /* Specifies top of Raster pipe specific enable controls,
116 * i.e. texture coordinates stuffing for points, lines, triangles */
117 uint32_t stuffing_enable
; /* R300_GB_ENABLE: 0x4008 */
119 /* Point sprites texture coordinates, 0: lower left, 1: upper right */
120 float point_texcoord_left
; /* R300_GA_POINT_S0: 0x4200 */
121 float point_texcoord_bottom
; /* R300_GA_POINT_T0: 0x4204 */
122 float point_texcoord_right
; /* R300_GA_POINT_S1: 0x4208 */
123 float point_texcoord_top
; /* R300_GA_POINT_T1: 0x420c */
126 struct r300_rs_block
{
127 uint32_t vap_vtx_state_cntl
; /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
128 uint32_t vap_vsm_vtx_assm
; /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
129 uint32_t vap_out_vtx_fmt
[2]; /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */
131 uint32_t ip
[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
132 uint32_t count
; /* R300_RS_COUNT */
133 uint32_t inst_count
; /* R300_RS_INST_COUNT */
134 uint32_t inst
[8]; /* R300_RS_INST_[0-7] */
137 struct r300_sampler_state
{
138 struct pipe_sampler_state state
;
140 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
141 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
142 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
144 /* Min/max LOD must be clamped to [0, last_level], thus
145 * it's dependent on a currently bound texture */
146 unsigned min_lod
, max_lod
;
149 struct r300_texture_format_state
{
150 uint32_t format0
; /* R300_TX_FORMAT0: 0x4480 */
151 uint32_t format1
; /* R300_TX_FORMAT1: 0x44c0 */
152 uint32_t format2
; /* R300_TX_FORMAT2: 0x4500 */
153 uint32_t tile_config
; /* R300_TX_OFFSET (subset thereof) */
156 struct r300_sampler_view
{
157 struct pipe_sampler_view base
;
159 /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
160 * derived from base. */
161 unsigned char swizzle
[4];
163 /* Copy of r300_texture::texture_format_state with format-specific bits
165 struct r300_texture_format_state format
;
168 struct r300_texture_fb_state
{
170 uint32_t colorpitch
[R300_MAX_TEXTURE_LEVELS
]; /* R300_RB3D_COLORPITCH[0-3]*/
171 uint32_t us_out_fmt
; /* R300_US_OUT_FMT[0-3] */
174 uint32_t depthpitch
[R300_MAX_TEXTURE_LEVELS
]; /* R300_RB3D_DEPTHPITCH */
175 uint32_t zb_format
; /* R300_ZB_FORMAT */
178 struct r300_texture_sampler_state
{
179 struct r300_texture_format_state format
;
180 uint32_t filter0
; /* R300_TX_FILTER0: 0x4400 */
181 uint32_t filter1
; /* R300_TX_FILTER1: 0x4440 */
182 uint32_t border_color
; /* R300_TX_BORDER_COLOR: 0x45c0 */
185 struct r300_textures_state
{
187 struct r300_sampler_view
*sampler_views
[16];
188 int sampler_view_count
;
189 /* Sampler states. */
190 struct r300_sampler_state
*sampler_states
[16];
191 int sampler_state_count
;
193 /* This is the merge of the texture and sampler states. */
195 uint32_t tx_enable
; /* R300_TX_ENABLE: 0x4101 */
196 struct r300_texture_sampler_state regs
[16];
199 struct r300_vertex_stream_state
{
200 /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
201 uint32_t vap_prog_stream_cntl
[8];
202 /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
203 uint32_t vap_prog_stream_cntl_ext
[8];
208 struct r300_viewport_state
{
209 float xscale
; /* R300_VAP_VPORT_XSCALE: 0x2098 */
210 float xoffset
; /* R300_VAP_VPORT_XOFFSET: 0x209c */
211 float yscale
; /* R300_VAP_VPORT_YSCALE: 0x20a0 */
212 float yoffset
; /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
213 float zscale
; /* R300_VAP_VPORT_ZSCALE: 0x20a8 */
214 float zoffset
; /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
215 uint32_t vte_control
; /* R300_VAP_VTE_CNTL: 0x20b0 */
218 struct r300_ztop_state
{
219 uint32_t z_buffer_top
; /* R300_ZB_ZTOP: 0x4f14 */
222 /* The next several objects are not pure Radeon state; they inherit from
223 * various Gallium classes. */
225 struct r300_constant_buffer
{
226 /* Buffer of constants */
227 float constants
[256][4];
228 /* Total number of constants */
234 * This is not a subclass of pipe_query because pipe_query is never
235 * actually fully defined. So, rather than have it as a member, and do
236 * subclass-style casting, we treat pipe_query as an opaque, and just
237 * trust that our state tracker does not ever mess up query objects.
240 /* The kind of query. Currently only OQ is supported. */
242 /* The current count of this query. Required to be at least 32 bits. */
244 /* The offset of this query into the query buffer, in bytes. */
246 /* if we've flushed the query */
248 /* if begin has been emitted */
249 boolean begin_emitted
;
250 /* Linked list members. */
251 struct r300_query
* prev
;
252 struct r300_query
* next
;
255 struct r300_texture
{
259 /* Offsets into the buffer. */
260 unsigned offset
[R300_MAX_TEXTURE_LEVELS
];
262 /* A pitch for each mip-level */
263 unsigned pitch
[R300_MAX_TEXTURE_LEVELS
];
265 /* A pitch multiplied by blockwidth as hardware wants
266 * the number of pixels instead of the number of blocks. */
267 unsigned hwpitch
[R300_MAX_TEXTURE_LEVELS
];
269 /* Size of one zslice or face based on the texture target */
270 unsigned layer_size
[R300_MAX_TEXTURE_LEVELS
];
272 /* Whether the mipmap level is macrotiled. */
273 enum r300_buffer_tiling mip_macrotile
[R300_MAX_TEXTURE_LEVELS
];
276 * If non-zero, override the natural texture layout with
277 * a custom stride (in bytes).
279 * \note Mipmapping fails for textures with a non-natural layout!
281 * \sa r300_texture_get_stride
283 unsigned stride_override
;
285 /* Total size of this texture, in bytes. */
288 /* Whether this texture has non-power-of-two dimensions
289 * or a user-specified pitch.
290 * It can be either a regular texture or a rectangle one.
294 /* Pipe buffer backing this texture. */
295 struct r300_winsys_buffer
*buffer
;
297 /* Registers carrying texture format data. */
298 /* Only format-independent bits should be filled in. */
299 struct r300_texture_format_state tx_format
;
300 /* All bits should be filled in. */
301 struct r300_texture_fb_state fb_state
;
304 enum r300_buffer_tiling microtile
, macrotile
;
307 struct r300_vertex_element_state
{
309 struct pipe_vertex_element velem
[PIPE_MAX_ATTRIBS
];
311 struct r300_vertex_stream_state vertex_stream
;
314 struct r300_context
{
316 struct pipe_context context
;
318 /* Emission of drawing packets. */
319 void (*emit_draw_arrays_immediate
)(
320 struct r300_context
*r300
,
321 unsigned mode
, unsigned start
, unsigned count
);
323 void (*emit_draw_arrays
)(
324 struct r300_context
*r300
,
325 unsigned mode
, unsigned count
);
327 void (*emit_draw_elements
)(
328 struct r300_context
*r300
, struct pipe_resource
* indexBuffer
,
329 unsigned indexSize
, unsigned minIndex
, unsigned maxIndex
,
330 unsigned mode
, unsigned start
, unsigned count
);
333 /* The interface to the windowing system, etc. */
334 struct r300_winsys_screen
*rws
;
336 struct r300_screen
*screen
;
337 /* Draw module. Used mostly for SW TCL. */
338 struct draw_context
* draw
;
339 /* Accelerated blit support. */
340 struct blitter_context
* blitter
;
342 /* Vertex buffer for rendering. */
343 struct pipe_resource
* vbo
;
344 /* Offset into the VBO. */
347 /* Occlusion query buffer. */
348 struct pipe_resource
* oqbo
;
350 struct r300_query
*query_current
;
351 struct r300_query query_list
;
353 /* Various CSO state objects. */
354 /* Beginning of atom list. */
355 struct r300_atom atom_list
;
357 struct r300_atom blend_state
;
358 /* Blend color state. */
359 struct r300_atom blend_color_state
;
360 /* User clip planes. */
361 struct r300_atom clip_state
;
362 /* Depth, stencil, and alpha state. */
363 struct r300_atom dsa_state
;
364 /* Fragment shader. */
366 /* Fragment shader RC_CONSTANT_STATE variables. */
367 struct r300_atom fs_rc_constant_state
;
368 /* Fragment shader constant buffer. */
369 struct r300_atom fs_constants
;
370 /* Framebuffer state. */
371 struct r300_atom fb_state
;
372 /* Occlusion query. */
373 struct r300_atom query_start
;
374 /* Rasterizer state. */
375 struct r300_atom rs_state
;
376 /* RS block state + VAP (vertex shader) output mapping state. */
377 struct r300_atom rs_block_state
;
379 struct r300_atom scissor_state
;
380 /* Textures state. */
381 struct r300_atom textures_state
;
382 /* Vertex stream formatting state. */
383 struct r300_atom vertex_stream_state
;
385 struct r300_atom vs_state
;
386 /* Vertex shader constant buffer. */
387 struct r300_atom vs_constants
;
388 /* Viewport state. */
389 struct r300_atom viewport_state
;
391 struct r300_atom ztop_state
;
393 struct r300_atom pvs_flush
;
394 /* Texture cache invalidate. */
395 struct r300_atom texture_cache_inval
;
397 /* Invariant state. This must be emitted to get the engine started. */
398 struct r300_atom invariant_state
;
400 /* Vertex buffers for Gallium. */
401 struct pipe_vertex_buffer vertex_buffer
[PIPE_MAX_ATTRIBS
];
402 int vertex_buffer_count
;
403 int vertex_buffer_max_index
;
404 /* Vertex elements for Gallium. */
405 struct r300_vertex_element_state
*velems
;
408 /* Vertex info for Draw. */
409 struct vertex_info vertex_info
;
411 struct pipe_stencil_ref stencil_ref
;
413 struct pipe_clip_state clip
;
415 struct pipe_viewport_state viewport
;
417 /* Stream locations for SWTCL. */
418 int stream_loc_notcl
[16];
420 /* Flag indicating whether or not the HW is dirty. */
422 /* Whether polygon offset is enabled. */
423 boolean polygon_offset_enabled
;
424 /* Z buffer bit depth. */
425 uint32_t zbuffer_bpp
;
426 /* Whether rendering is conditional and should be skipped. */
427 boolean skip_rendering
;
428 /* Whether the two-sided stencil ref value is different for front and
429 * back faces, and fallback should be used for r3xx-r4xx. */
430 boolean stencil_ref_bf_fallback
;
431 /* Point sprites texcoord index, 1 bit per texcoord */
432 int sprite_coord_enable
;
433 /* Whether two-sided color selection is enabled (AKA light_twoside). */
434 boolean two_sided_color
;
436 /* upload managers */
437 struct u_upload_mgr
*upload_vb
;
438 struct u_upload_mgr
*upload_ib
;
441 uint64_t flush_counter
;
444 /* Convenience cast wrappers. */
445 static INLINE
struct r300_query
* r300_query(struct pipe_query
* q
)
447 return (struct r300_query
*)q
;
450 static INLINE
struct r300_texture
* r300_texture(struct pipe_resource
* tex
)
452 return (struct r300_texture
*)tex
;
455 static INLINE
struct r300_context
* r300_context(struct pipe_context
* context
)
457 return (struct r300_context
*)context
;
460 static INLINE
struct r300_fragment_shader
*r300_fs(struct r300_context
*r300
)
462 return (struct r300_fragment_shader
*)r300
->fs
.state
;
465 struct pipe_context
* r300_create_context(struct pipe_screen
* screen
,
468 /* Context initialization. */
469 struct draw_stage
* r300_draw_stage(struct r300_context
* r300
);
470 void r300_init_blit_functions(struct r300_context
*r300
);
471 void r300_init_flush_functions(struct r300_context
* r300
);
472 void r300_init_query_functions(struct r300_context
* r300
);
473 void r300_init_render_functions(struct r300_context
*r300
);
474 void r300_init_state_functions(struct r300_context
* r300
);
475 void r300_init_resource_functions(struct r300_context
* r300
);
477 void r500_dump_rs_block(struct r300_rs_block
*rs
);
479 static INLINE boolean
CTX_DBG_ON(struct r300_context
* ctx
, unsigned flags
)
481 return SCREEN_DBG_ON(ctx
->screen
, flags
);
484 static INLINE
void CTX_DBG(struct r300_context
* ctx
, unsigned flags
,
485 const char * fmt
, ...)
487 if (CTX_DBG_ON(ctx
, flags
)) {
490 vfprintf(stderr
, fmt
, va
);
495 #define DBG_ON CTX_DBG_ON
498 #endif /* R300_CONTEXT_H */