1 /**************************************************************************
3 * Copyright 2009 VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 #ifndef LP_RAST_PRIV_H
29 #define LP_RAST_PRIV_H
31 #include "os/os_thread.h"
32 #include "util/u_format.h"
33 #include "gallivm/lp_bld_debug.h"
34 #include "lp_memory.h"
38 #include "lp_texture.h"
39 #include "lp_tile_image.h"
40 #include "lp_limits.h"
43 /* If we crash in a jitted function, we can examine jit_line and jit_state
44 * to get some info. This is not thread-safe, however.
48 struct lp_rasterizer_task
;
50 extern const struct lp_rast_state
*jit_state
;
51 extern const struct lp_rasterizer_task
*jit_task
;
53 #define BEGIN_JIT_CALL(state, task) \
55 jit_line = __LINE__; \
60 #define END_JIT_CALL() \
68 #define BEGIN_JIT_CALL(X, Y)
69 #define END_JIT_CALL()
78 * Per-thread rasterization state
80 struct lp_rasterizer_task
82 const struct cmd_bin
*bin
;
83 const struct lp_rast_state
*state
;
85 struct lp_scene
*scene
;
86 unsigned x
, y
; /**< Pos of this tile in framebuffer, in pixels */
88 uint8_t *color_tiles
[PIPE_MAX_COLOR_BUFS
];
92 struct lp_rasterizer
*rast
;
95 unsigned thread_index
;
97 /* occlude counter for visible pixels */
98 struct lp_jit_thread_data thread_data
;
100 struct llvmpipe_query
*query
[PIPE_QUERY_TYPES
];
102 pipe_semaphore work_ready
;
103 pipe_semaphore work_done
;
108 * This is the state required while rasterizing tiles.
109 * Note that this contains per-thread information too.
110 * The tile size is TILE_SIZE x TILE_SIZE pixels.
115 boolean no_rast
; /**< For debugging/profiling */
117 /** The incoming queue of scenes ready to rasterize */
118 struct lp_scene_queue
*full_scenes
;
120 /** The scene currently being rasterized by the threads */
121 struct lp_scene
*curr_scene
;
123 /** A task object for each rasterization thread */
124 struct lp_rasterizer_task tasks
[LP_MAX_THREADS
];
126 unsigned num_threads
;
127 pipe_thread threads
[LP_MAX_THREADS
];
129 /** For synchronizing the rasterization threads */
130 pipe_barrier barrier
;
135 lp_rast_shade_quads_mask(struct lp_rasterizer_task
*task
,
136 const struct lp_rast_shader_inputs
*inputs
,
137 unsigned x
, unsigned y
,
143 * Get the pointer to a 4x4 depth/stencil block.
144 * We'll map the z/stencil buffer on demand here.
145 * Note that this may be called even when there's no z/stencil buffer - return
147 * \param x, y location of 4x4 block in window coords
150 lp_rast_get_depth_block_pointer(struct lp_rasterizer_task
*task
,
151 unsigned x
, unsigned y
)
153 const struct lp_scene
*scene
= task
->scene
;
156 assert(x
< scene
->tiles_x
* TILE_SIZE
);
157 assert(y
< scene
->tiles_y
* TILE_SIZE
);
158 assert((x
% TILE_VECTOR_WIDTH
) == 0);
159 assert((y
% TILE_VECTOR_HEIGHT
) == 0);
161 if (!scene
->zsbuf
.map
) {
162 /* Either out of memory or no zsbuf. Can't tell without access
163 * to the state. Just use dummy tile memory, but don't print
164 * the oom warning as this most likely because there is no
167 return lp_dummy_tile
;
170 depth
= (scene
->zsbuf
.map
+
171 scene
->zsbuf
.stride
* y
+
172 scene
->zsbuf
.blocksize
* x
* TILE_VECTOR_HEIGHT
);
174 assert(lp_check_alignment(depth
, 16));
180 * Get pointer to the unswizzled color tile
182 static INLINE
uint8_t *
183 lp_rast_get_unswizzled_color_tile_pointer(struct lp_rasterizer_task
*task
,
184 unsigned buf
, enum lp_texture_usage usage
)
186 const struct lp_scene
*scene
= task
->scene
;
187 unsigned format_bytes
;
189 assert(task
->x
< scene
->tiles_x
* TILE_SIZE
);
190 assert(task
->y
< scene
->tiles_y
* TILE_SIZE
);
191 assert(task
->x
% TILE_SIZE
== 0);
192 assert(task
->y
% TILE_SIZE
== 0);
193 assert(buf
< scene
->fb
.nr_cbufs
);
195 if (!task
->color_tiles
[buf
]) {
196 struct pipe_surface
*cbuf
= scene
->fb
.cbufs
[buf
];
199 format_bytes
= util_format_description(cbuf
->format
)->block
.bits
/ 8;
200 task
->color_tiles
[buf
] = scene
->cbufs
[buf
].map
+ scene
->cbufs
[buf
].stride
* task
->y
+ format_bytes
* task
->x
;
203 return task
->color_tiles
[buf
];
208 * Get the pointer to an unswizzled 4x4 color block (within an unswizzled 64x64 tile).
209 * \param x, y location of 4x4 block in window coords
211 static INLINE
uint8_t *
212 lp_rast_get_unswizzled_color_block_pointer(struct lp_rasterizer_task
*task
,
213 unsigned buf
, unsigned x
, unsigned y
)
215 unsigned px
, py
, pixel_offset
, format_bytes
;
218 assert(x
< task
->scene
->tiles_x
* TILE_SIZE
);
219 assert(y
< task
->scene
->tiles_y
* TILE_SIZE
);
220 assert((x
% TILE_VECTOR_WIDTH
) == 0);
221 assert((y
% TILE_VECTOR_HEIGHT
) == 0);
222 assert(buf
< task
->scene
->fb
.nr_cbufs
);
224 format_bytes
= util_format_description(task
->scene
->fb
.cbufs
[buf
]->format
)->block
.bits
/ 8;
226 color
= lp_rast_get_unswizzled_color_tile_pointer(task
, buf
, LP_TEX_USAGE_READ_WRITE
);
231 pixel_offset
= px
* format_bytes
+ py
* task
->scene
->cbufs
[buf
].stride
;
233 color
= color
+ pixel_offset
;
235 assert(lp_check_alignment(color
, llvmpipe_get_format_alignment(task
->scene
->fb
.cbufs
[buf
]->format
)));
242 * Shade all pixels in a 4x4 block. The fragment code omits the
243 * triangle in/out tests.
244 * \param x, y location of 4x4 block in window coords
247 lp_rast_shade_quads_all( struct lp_rasterizer_task
*task
,
248 const struct lp_rast_shader_inputs
*inputs
,
249 unsigned x
, unsigned y
)
251 const struct lp_scene
*scene
= task
->scene
;
252 const struct lp_rast_state
*state
= task
->state
;
253 struct lp_fragment_shader_variant
*variant
= state
->variant
;
254 uint8_t *color
[PIPE_MAX_COLOR_BUFS
];
255 unsigned stride
[PIPE_MAX_COLOR_BUFS
];
260 for (i
= 0; i
< scene
->fb
.nr_cbufs
; i
++) {
261 stride
[i
] = scene
->cbufs
[i
].stride
;
263 color
[i
] = lp_rast_get_unswizzled_color_block_pointer(task
, i
, x
, y
);
266 depth
= lp_rast_get_depth_block_pointer(task
, x
, y
);
268 /* run shader on 4x4 block */
269 BEGIN_JIT_CALL(state
, task
);
270 variant
->jit_function
[RAST_WHOLE
]( &state
->jit_context
,
284 void lp_rast_triangle_1( struct lp_rasterizer_task
*,
285 const union lp_rast_cmd_arg
);
286 void lp_rast_triangle_2( struct lp_rasterizer_task
*,
287 const union lp_rast_cmd_arg
);
288 void lp_rast_triangle_3( struct lp_rasterizer_task
*,
289 const union lp_rast_cmd_arg
);
290 void lp_rast_triangle_4( struct lp_rasterizer_task
*,
291 const union lp_rast_cmd_arg
);
292 void lp_rast_triangle_5( struct lp_rasterizer_task
*,
293 const union lp_rast_cmd_arg
);
294 void lp_rast_triangle_6( struct lp_rasterizer_task
*,
295 const union lp_rast_cmd_arg
);
296 void lp_rast_triangle_7( struct lp_rasterizer_task
*,
297 const union lp_rast_cmd_arg
);
298 void lp_rast_triangle_8( struct lp_rasterizer_task
*,
299 const union lp_rast_cmd_arg
);
301 void lp_rast_triangle_3_4(struct lp_rasterizer_task
*,
302 const union lp_rast_cmd_arg
);
304 void lp_rast_triangle_3_16( struct lp_rasterizer_task
*,
305 const union lp_rast_cmd_arg
);
307 void lp_rast_triangle_4_16( struct lp_rasterizer_task
*,
308 const union lp_rast_cmd_arg
);
311 lp_rast_set_state(struct lp_rasterizer_task
*task
,
312 const union lp_rast_cmd_arg arg
);
315 lp_debug_bin( const struct cmd_bin
*bin
);