summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r300/r300_context.h
blob: eb98bb45040ab297e53f419b1854c2f2ebf5b160 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
/*
 * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE. */

#ifndef R300_CONTEXT_H
#define R300_CONTEXT_H

#include "draw/draw_vertex.h"

#include "util/u_blitter.h"

#include "pipe/p_context.h"
#include "util/u_inlines.h"
#include "util/u_transfer.h"

#include "r300_defines.h"
#include "r300_screen.h"

struct u_upload_mgr;
struct r300_context;

struct r300_fragment_shader;
struct r300_vertex_shader;

struct r300_atom {
    /* List pointers. */
    struct r300_atom *prev, *next;
    /* Name, for debugging. */
    const char* name;
    /* Stat counter. */
    uint64_t counter;
    /* Opaque state. */
    void* state;
    /* Emit the state to the context. */
    void (*emit)(struct r300_context*, unsigned, void*);
    /* Upper bound on number of dwords to emit. */
    unsigned size;
    /* Whether this atom should be emitted. */
    boolean dirty;
    /* Whether this atom may be emitted with state == NULL. */
    boolean allow_null_state;
};

struct r300_blend_state {
    uint32_t blend_control;       /* R300_RB3D_CBLEND: 0x4e04 */
    uint32_t alpha_blend_control; /* R300_RB3D_ABLEND: 0x4e08 */
    uint32_t color_channel_mask;  /* R300_RB3D_COLOR_CHANNEL_MASK: 0x4e0c */
    uint32_t rop;                 /* R300_RB3D_ROPCNTL: 0x4e18 */
    uint32_t dither;              /* R300_RB3D_DITHER_CTL: 0x4e50 */
};

struct r300_blend_color_state {
    /* RV515 and earlier */
    uint32_t blend_color;            /* R300_RB3D_BLEND_COLOR: 0x4e10 */
    /* R520 and newer */
    uint32_t blend_color_red_alpha;  /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
    uint32_t blend_color_green_blue; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
};

struct r300_dsa_state {
    uint32_t alpha_function;    /* R300_FG_ALPHA_FUNC: 0x4bd4 */
    uint32_t alpha_reference;   /* R500_FG_ALPHA_VALUE: 0x4be0 */
    uint32_t z_buffer_control;  /* R300_ZB_CNTL: 0x4f00 */
    uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
    uint32_t stencil_ref_mask;  /* R300_ZB_STENCILREFMASK: 0x4f08 */
    uint32_t stencil_ref_bf;    /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */

    /* Whether a two-sided stencil is enabled. */
    boolean two_sided;
    /* Whether a fallback should be used for a two-sided stencil ref value. */
    boolean stencil_ref_bf_fallback;
};

struct r300_rs_state {
    /* Original rasterizer state. */
    struct pipe_rasterizer_state rs;
    /* Draw-specific rasterizer state. */
    struct pipe_rasterizer_state rs_draw;

    uint32_t vap_control_status;    /* R300_VAP_CNTL_STATUS: 0x2140 */
    uint32_t antialiasing_config;   /* R300_GB_AA_CONFIG: 0x4020 */
    uint32_t point_size;            /* R300_GA_POINT_SIZE: 0x421c */
    uint32_t point_minmax;          /* R300_GA_POINT_MINMAX: 0x4230 */
    uint32_t line_control;          /* R300_GA_LINE_CNTL: 0x4234 */
    float depth_scale;            /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
                                  /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
    float depth_offset;           /* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
                                  /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
    uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
    uint32_t cull_mode;             /* R300_SU_CULL_MODE: 0x42b8 */
    uint32_t line_stipple_config;   /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
    uint32_t line_stipple_value;    /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
    uint32_t color_control;         /* R300_GA_COLOR_CONTROL: 0x4278 */
    uint32_t polygon_mode;          /* R300_GA_POLY_MODE: 0x4288 */
    uint32_t clip_rule;             /* R300_SC_CLIP_RULE: 0x43D0 */

    /* Specifies top of Raster pipe specific enable controls,
     * i.e. texture coordinates stuffing for points, lines, triangles */
    uint32_t stuffing_enable;       /* R300_GB_ENABLE: 0x4008 */

    /* Point sprites texture coordinates, 0: lower left, 1: upper right */
    float point_texcoord_left;      /* R300_GA_POINT_S0: 0x4200 */
    float point_texcoord_bottom;    /* R300_GA_POINT_T0: 0x4204 */
    float point_texcoord_right;     /* R300_GA_POINT_S1: 0x4208 */
    float point_texcoord_top;       /* R300_GA_POINT_T1: 0x420c */
};

struct r300_rs_block {
    uint32_t vap_vtx_state_cntl;  /* R300_VAP_VTX_STATE_CNTL: 0x2180 */
    uint32_t vap_vsm_vtx_assm;    /* R300_VAP_VSM_VTX_ASSM: 0x2184 */
    uint32_t vap_out_vtx_fmt[2];  /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */

    uint32_t ip[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */
    uint32_t count; /* R300_RS_COUNT */
    uint32_t inst_count; /* R300_RS_INST_COUNT */
    uint32_t inst[8]; /* R300_RS_INST_[0-7] */
};

struct r300_sampler_state {
    struct pipe_sampler_state state;

    uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
    uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
    uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */

    /* Min/max LOD must be clamped to [0, last_level], thus
     * it's dependent on a currently bound texture */
    unsigned min_lod, max_lod;
};

struct r300_texture_format_state {
    uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */
    uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */
    uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */
    uint32_t tile_config; /* R300_TX_OFFSET (subset thereof) */
};

struct r300_sampler_view {
    struct pipe_sampler_view base;

    /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation,
     * derived from base. */
    unsigned char swizzle[4];

    /* Copy of r300_texture::texture_format_state with format-specific bits
     * added. */
    struct r300_texture_format_state format;
};

struct r300_texture_fb_state {
    /* Colorbuffer. */
    uint32_t colorpitch[R300_MAX_TEXTURE_LEVELS]; /* R300_RB3D_COLORPITCH[0-3]*/
    uint32_t us_out_fmt; /* R300_US_OUT_FMT[0-3] */

    /* Zbuffer. */
    uint32_t depthpitch[R300_MAX_TEXTURE_LEVELS]; /* R300_RB3D_DEPTHPITCH */
    uint32_t zb_format; /* R300_ZB_FORMAT */
};

struct r300_texture_sampler_state {
    struct r300_texture_format_state format;
    uint32_t filter0;      /* R300_TX_FILTER0: 0x4400 */
    uint32_t filter1;      /* R300_TX_FILTER1: 0x4440 */
    uint32_t border_color;  /* R300_TX_BORDER_COLOR: 0x45c0 */
};

struct r300_textures_state {
    /* Textures. */
    struct r300_sampler_view *sampler_views[16];
    int sampler_view_count;
    /* Sampler states. */
    struct r300_sampler_state *sampler_states[16];
    int sampler_state_count;

    /* This is the merge of the texture and sampler states. */
    unsigned count;
    uint32_t tx_enable;         /* R300_TX_ENABLE: 0x4101 */
    struct r300_texture_sampler_state regs[16];
};

struct r300_vertex_stream_state {
    /* R300_VAP_PROG_STREAK_CNTL_[0-7] */
    uint32_t vap_prog_stream_cntl[8];
    /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */
    uint32_t vap_prog_stream_cntl_ext[8];

    unsigned count;
};

struct r300_viewport_state {
    float xscale;         /* R300_VAP_VPORT_XSCALE:  0x2098 */
    float xoffset;        /* R300_VAP_VPORT_XOFFSET: 0x209c */
    float yscale;         /* R300_VAP_VPORT_YSCALE:  0x20a0 */
    float yoffset;        /* R300_VAP_VPORT_YOFFSET: 0x20a4 */
    float zscale;         /* R300_VAP_VPORT_ZSCALE:  0x20a8 */
    float zoffset;        /* R300_VAP_VPORT_ZOFFSET: 0x20ac */
    uint32_t vte_control; /* R300_VAP_VTE_CNTL:      0x20b0 */
};

struct r300_ztop_state {
    uint32_t z_buffer_top;      /* R300_ZB_ZTOP: 0x4f14 */
};

/* The next several objects are not pure Radeon state; they inherit from
 * various Gallium classes. */

struct r300_constant_buffer {
    /* Buffer of constants */
    float constants[256][4];
    /* Total number of constants */
    unsigned count;
};

/* Query object.
 *
 * This is not a subclass of pipe_query because pipe_query is never
 * actually fully defined. So, rather than have it as a member, and do
 * subclass-style casting, we treat pipe_query as an opaque, and just
 * trust that our state tracker does not ever mess up query objects.
 */
struct r300_query {
    /* The kind of query. Currently only OQ is supported. */
    unsigned type;
    /* The current count of this query. Required to be at least 32 bits. */
    unsigned int count;
    /* The offset of this query into the query buffer, in bytes. */
    unsigned offset;
    /* if we've flushed the query */
    boolean flushed;
    /* if begin has been emitted */
    boolean begin_emitted;
    /* Linked list members. */
    struct r300_query* prev;
    struct r300_query* next;
};

struct r300_texture {
    /* Parent class */
    struct u_resource b;

    /* Offsets into the buffer. */
    unsigned offset[R300_MAX_TEXTURE_LEVELS];

    /* A pitch for each mip-level */
    unsigned pitch[R300_MAX_TEXTURE_LEVELS];

    /* A pitch multiplied by blockwidth as hardware wants
     * the number of pixels instead of the number of blocks. */
    unsigned hwpitch[R300_MAX_TEXTURE_LEVELS];

    /* Size of one zslice or face based on the texture target */
    unsigned layer_size[R300_MAX_TEXTURE_LEVELS];

    /* Whether the mipmap level is macrotiled. */
    enum r300_buffer_tiling mip_macrotile[R300_MAX_TEXTURE_LEVELS];

    /**
     * If non-zero, override the natural texture layout with
     * a custom stride (in bytes).
     *
     * \note Mipmapping fails for textures with a non-natural layout!
     *
     * \sa r300_texture_get_stride
     */
    unsigned stride_override;

    /* Total size of this texture, in bytes. */
    unsigned size;

    /* Whether this texture has non-power-of-two dimensions
     * or a user-specified pitch.
     * It can be either a regular texture or a rectangle one.
     */
    boolean uses_pitch;

    /* Pipe buffer backing this texture. */
    struct r300_winsys_buffer *buffer;

    /* Registers carrying texture format data. */
    /* Only format-independent bits should be filled in. */
    struct r300_texture_format_state tx_format;
    /* All bits should be filled in. */
    struct r300_texture_fb_state fb_state;

    /* Buffer tiling */
    enum r300_buffer_tiling microtile, macrotile;
};

struct r300_vertex_element_state {
    unsigned count;
    struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];

    struct r300_vertex_stream_state vertex_stream;
};

struct r300_context {
    /* Parent class */
    struct pipe_context context;

    /* Emission of drawing packets. */
    void (*emit_draw_arrays_immediate)(
            struct r300_context *r300,
            unsigned mode, unsigned start, unsigned count);

    void (*emit_draw_arrays)(
            struct r300_context *r300,
            unsigned mode, unsigned count);

    void (*emit_draw_elements)(
            struct r300_context *r300, struct pipe_resource* indexBuffer,
            unsigned indexSize, unsigned minIndex, unsigned maxIndex,
            unsigned mode, unsigned start, unsigned count);


    /* The interface to the windowing system, etc. */
    struct r300_winsys_screen *rws;
    /* Screen. */
    struct r300_screen *screen;
    /* Draw module. Used mostly for SW TCL. */
    struct draw_context* draw;
    /* Accelerated blit support. */
    struct blitter_context* blitter;

    /* Vertex buffer for rendering. */
    struct pipe_resource* vbo;
    /* Offset into the VBO. */
    size_t vbo_offset;

    /* Occlusion query buffer. */
    struct pipe_resource* oqbo;
    /* Query list. */
    struct r300_query *query_current;
    struct r300_query query_list;

    /* Various CSO state objects. */
    /* Beginning of atom list. */
    struct r300_atom atom_list;
    /* Blend state. */
    struct r300_atom blend_state;
    /* Blend color state. */
    struct r300_atom blend_color_state;
    /* User clip planes. */
    struct r300_atom clip_state;
    /* Depth, stencil, and alpha state. */
    struct r300_atom dsa_state;
    /* Fragment shader. */
    struct r300_atom fs;
    /* Fragment shader RC_CONSTANT_STATE variables. */
    struct r300_atom fs_rc_constant_state;
    /* Fragment shader constant buffer. */
    struct r300_atom fs_constants;
    /* Framebuffer state. */
    struct r300_atom fb_state;
    /* Occlusion query. */
    struct r300_atom query_start;
    /* Rasterizer state. */
    struct r300_atom rs_state;
    /* RS block state + VAP (vertex shader) output mapping state. */
    struct r300_atom rs_block_state;
    /* Scissor state. */
    struct r300_atom scissor_state;
    /* Textures state. */
    struct r300_atom textures_state;
    /* Vertex stream formatting state. */
    struct r300_atom vertex_stream_state;
    /* Vertex shader. */
    struct r300_atom vs_state;
    /* Vertex shader constant buffer. */
    struct r300_atom vs_constants;
    /* Viewport state. */
    struct r300_atom viewport_state;
    /* ZTOP state. */
    struct r300_atom ztop_state;
    /* PVS flush. */
    struct r300_atom pvs_flush;
    /* Texture cache invalidate. */
    struct r300_atom texture_cache_inval;

    /* Invariant state. This must be emitted to get the engine started. */
    struct r300_atom invariant_state;

    /* Vertex buffers for Gallium. */
    struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
    int vertex_buffer_count;
    int vertex_buffer_max_index;
    /* Vertex elements for Gallium. */
    struct r300_vertex_element_state *velems;
    bool any_user_vbs;

    /* Vertex info for Draw. */
    struct vertex_info vertex_info;

    struct pipe_stencil_ref stencil_ref;

    struct pipe_clip_state clip;

    struct pipe_viewport_state viewport;

    /* Stream locations for SWTCL. */
    int stream_loc_notcl[16];

    /* Flag indicating whether or not the HW is dirty. */
    uint32_t dirty_hw;
    /* Whether polygon offset is enabled. */
    boolean polygon_offset_enabled;
    /* Z buffer bit depth. */
    uint32_t zbuffer_bpp;
    /* Whether rendering is conditional and should be skipped. */
    boolean skip_rendering;
    /* Whether the two-sided stencil ref value is different for front and
     * back faces, and fallback should be used for r3xx-r4xx. */
    boolean stencil_ref_bf_fallback;
    /* Point sprites texcoord index,  1 bit per texcoord */
    int sprite_coord_enable;
    /* Whether two-sided color selection is enabled (AKA light_twoside). */
    boolean two_sided_color;

    /* upload managers */
    struct u_upload_mgr *upload_vb;
    struct u_upload_mgr *upload_ib;

    /* Stat counter. */
    uint64_t flush_counter;
};

/* Convenience cast wrapper. */
static INLINE struct r300_texture* r300_texture(struct pipe_resource* tex)
{
    return (struct r300_texture*)tex;
}

static INLINE struct r300_context* r300_context(struct pipe_context* context)
{
    return (struct r300_context*)context;
}

static INLINE struct r300_fragment_shader *r300_fs(struct r300_context *r300)
{
    return (struct r300_fragment_shader*)r300->fs.state;
}

struct pipe_context* r300_create_context(struct pipe_screen* screen,
                                         void *priv);

/* Context initialization. */
struct draw_stage* r300_draw_stage(struct r300_context* r300);
void r300_init_blit_functions(struct r300_context *r300);
void r300_init_flush_functions(struct r300_context* r300);
void r300_init_state_functions(struct r300_context* r300);
void r300_init_resource_functions(struct r300_context* r300);

void r500_dump_rs_block(struct r300_rs_block *rs);

static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)
{
    return SCREEN_DBG_ON(ctx->screen, flags);
}

static INLINE void CTX_DBG(struct r300_context * ctx, unsigned flags,
                       const char * fmt, ...)
{
    if (CTX_DBG_ON(ctx, flags)) {
        va_list va;
        va_start(va, fmt);
        vfprintf(stderr, fmt, va);
        va_end(va);
    }
}

#define DBG_ON  CTX_DBG_ON
#define DBG     CTX_DBG

#endif /* R300_CONTEXT_H */