1 /**************************************************************************
3 * Copyright 2013 Marek Olšák <maraeo@gmail.com>
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 THE AUTHORS 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 /* This head-up display module can draw transparent graphs on top of what
29 * the app is rendering, visualizing various data like framerate, cpu load,
30 * performance counters, etc. It can be hook up into any state tracker.
32 * The HUD is controlled with the GALLIUM_HUD environment variable.
33 * Set GALLIUM_HUD=help for more info.
40 #include "hud/hud_context.h"
41 #include "hud/hud_private.h"
44 #include "cso_cache/cso_context.h"
45 #include "util/u_draw_quad.h"
46 #include "util/u_format.h"
47 #include "util/u_inlines.h"
48 #include "util/u_memory.h"
49 #include "util/u_math.h"
50 #include "util/u_sampler.h"
51 #include "util/u_simple_shaders.h"
52 #include "util/u_string.h"
53 #include "util/u_upload_mgr.h"
54 #include "tgsi/tgsi_text.h"
55 #include "tgsi/tgsi_dump.h"
57 /* Control the visibility of all HUD contexts */
58 static boolean huds_visible
= TRUE
;
61 struct pipe_context
*pipe
;
62 struct cso_context
*cso
;
64 struct hud_batch_query_context
*batch_query
;
65 struct list_head pane_list
;
68 struct pipe_blend_state no_blend
, alpha_blend
;
69 struct pipe_depth_stencil_alpha_state dsa
;
70 void *fs_color
, *fs_text
;
71 struct pipe_rasterizer_state rasterizer
, rasterizer_aa_lines
;
73 struct pipe_vertex_element velems
[2];
76 struct util_font font
;
77 struct pipe_sampler_view
*font_sampler_view
;
78 struct pipe_sampler_state font_sampler_state
;
80 /* VS constant buffer */
83 float two_div_fb_width
;
84 float two_div_fb_height
;
89 struct pipe_constant_buffer constbuf
;
91 unsigned fb_width
, fb_height
;
93 /* vertices for text and background drawing are accumulated here and then
94 * drawn all at once */
97 struct pipe_vertex_buffer vbuf
;
98 unsigned max_num_vertices
;
99 unsigned num_vertices
;
100 } text
, bg
, whitelines
;
107 signal_visible_handler(int sig
, siginfo_t
*siginfo
, void *context
)
109 huds_visible
= !huds_visible
;
114 hud_draw_colored_prims(struct hud_context
*hud
, unsigned prim
,
115 float *buffer
, unsigned num_vertices
,
116 float r
, float g
, float b
, float a
,
117 int xoffset
, int yoffset
, float yscale
)
119 struct cso_context
*cso
= hud
->cso
;
120 struct pipe_vertex_buffer vbuffer
= {0};
122 hud
->constants
.color
[0] = r
;
123 hud
->constants
.color
[1] = g
;
124 hud
->constants
.color
[2] = b
;
125 hud
->constants
.color
[3] = a
;
126 hud
->constants
.translate
[0] = (float) xoffset
;
127 hud
->constants
.translate
[1] = (float) yoffset
;
128 hud
->constants
.scale
[0] = 1;
129 hud
->constants
.scale
[1] = yscale
;
130 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
132 vbuffer
.user_buffer
= buffer
;
133 vbuffer
.stride
= 2 * sizeof(float);
135 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
),
137 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_color
);
138 cso_draw_arrays(cso
, prim
, 0, num_vertices
);
142 hud_draw_colored_quad(struct hud_context
*hud
, unsigned prim
,
143 unsigned x1
, unsigned y1
, unsigned x2
, unsigned y2
,
144 float r
, float g
, float b
, float a
)
147 (float) x1
, (float) y1
,
148 (float) x1
, (float) y2
,
149 (float) x2
, (float) y2
,
150 (float) x2
, (float) y1
,
153 hud_draw_colored_prims(hud
, prim
, buffer
, 4, r
, g
, b
, a
, 0, 0, 1);
157 hud_draw_background_quad(struct hud_context
*hud
,
158 unsigned x1
, unsigned y1
, unsigned x2
, unsigned y2
)
160 float *vertices
= hud
->bg
.vertices
+ hud
->bg
.num_vertices
*2;
163 assert(hud
->bg
.num_vertices
+ 4 <= hud
->bg
.max_num_vertices
);
165 vertices
[num
++] = (float) x1
;
166 vertices
[num
++] = (float) y1
;
168 vertices
[num
++] = (float) x1
;
169 vertices
[num
++] = (float) y2
;
171 vertices
[num
++] = (float) x2
;
172 vertices
[num
++] = (float) y2
;
174 vertices
[num
++] = (float) x2
;
175 vertices
[num
++] = (float) y1
;
177 hud
->bg
.num_vertices
+= num
/2;
181 hud_draw_string(struct hud_context
*hud
, unsigned x
, unsigned y
,
182 const char *str
, ...)
186 float *vertices
= hud
->text
.vertices
+ hud
->text
.num_vertices
*4;
191 util_vsnprintf(buf
, sizeof(buf
), str
, ap
);
197 hud_draw_background_quad(hud
,
199 x
+ strlen(buf
)*hud
->font
.glyph_width
,
200 y
+ hud
->font
.glyph_height
);
205 unsigned x2
= x
+ hud
->font
.glyph_width
;
206 unsigned y2
= y
+ hud
->font
.glyph_height
;
207 unsigned tx1
= (*s
% 16) * hud
->font
.glyph_width
;
208 unsigned ty1
= (*s
/ 16) * hud
->font
.glyph_height
;
209 unsigned tx2
= tx1
+ hud
->font
.glyph_width
;
210 unsigned ty2
= ty1
+ hud
->font
.glyph_height
;
213 x
+= hud
->font
.glyph_width
;
218 assert(hud
->text
.num_vertices
+ num
/4 + 4 <= hud
->text
.max_num_vertices
);
220 vertices
[num
++] = (float) x1
;
221 vertices
[num
++] = (float) y1
;
222 vertices
[num
++] = (float) tx1
;
223 vertices
[num
++] = (float) ty1
;
225 vertices
[num
++] = (float) x1
;
226 vertices
[num
++] = (float) y2
;
227 vertices
[num
++] = (float) tx1
;
228 vertices
[num
++] = (float) ty2
;
230 vertices
[num
++] = (float) x2
;
231 vertices
[num
++] = (float) y2
;
232 vertices
[num
++] = (float) tx2
;
233 vertices
[num
++] = (float) ty2
;
235 vertices
[num
++] = (float) x2
;
236 vertices
[num
++] = (float) y1
;
237 vertices
[num
++] = (float) tx2
;
238 vertices
[num
++] = (float) ty1
;
240 x
+= hud
->font
.glyph_width
;
244 hud
->text
.num_vertices
+= num
/4;
248 number_to_human_readable(uint64_t num
, enum pipe_driver_query_type type
,
251 static const char *byte_units
[] =
252 {" B", " KB", " MB", " GB", " TB", " PB", " EB"};
253 static const char *metric_units
[] =
254 {"", " k", " M", " G", " T", " P", " E"};
255 static const char *time_units
[] =
256 {" us", " ms", " s"}; /* based on microseconds */
257 static const char *hz_units
[] =
258 {" Hz", " KHz", " MHz", " GHz"};
259 static const char *percent_units
[] = {"%"};
260 static const char *dbm_units
[] = {" (-dBm)"};
261 static const char *temperature_units
[] = {" C"};
262 static const char *volt_units
[] = {" mV", " V"};
263 static const char *amp_units
[] = {" mA", " A"};
264 static const char *watt_units
[] = {" mW", " W"};
268 double divisor
= (type
== PIPE_DRIVER_QUERY_TYPE_BYTES
) ? 1024 : 1000;
273 case PIPE_DRIVER_QUERY_TYPE_MICROSECONDS
:
274 max_unit
= ARRAY_SIZE(time_units
)-1;
277 case PIPE_DRIVER_QUERY_TYPE_VOLTS
:
278 max_unit
= ARRAY_SIZE(volt_units
)-1;
281 case PIPE_DRIVER_QUERY_TYPE_AMPS
:
282 max_unit
= ARRAY_SIZE(amp_units
)-1;
285 case PIPE_DRIVER_QUERY_TYPE_DBM
:
286 max_unit
= ARRAY_SIZE(dbm_units
)-1;
289 case PIPE_DRIVER_QUERY_TYPE_TEMPERATURE
:
290 max_unit
= ARRAY_SIZE(temperature_units
)-1;
291 units
= temperature_units
;
293 case PIPE_DRIVER_QUERY_TYPE_PERCENTAGE
:
294 max_unit
= ARRAY_SIZE(percent_units
)-1;
295 units
= percent_units
;
297 case PIPE_DRIVER_QUERY_TYPE_BYTES
:
298 max_unit
= ARRAY_SIZE(byte_units
)-1;
301 case PIPE_DRIVER_QUERY_TYPE_HZ
:
302 max_unit
= ARRAY_SIZE(hz_units
)-1;
305 case PIPE_DRIVER_QUERY_TYPE_WATTS
:
306 max_unit
= ARRAY_SIZE(watt_units
)-1;
310 max_unit
= ARRAY_SIZE(metric_units
)-1;
311 units
= metric_units
;
314 while (d
> divisor
&& unit
< max_unit
) {
319 /* Round to 3 decimal places so as not to print trailing zeros. */
320 if (d
*1000 != (int)(d
*1000))
321 d
= round(d
* 1000) / 1000;
323 /* Show at least 4 digits with at most 3 decimal places, but not zeros. */
324 if (d
>= 1000 || d
== (int)d
)
325 sprintf(out
, "%.0f%s", d
, units
[unit
]);
326 else if (d
>= 100 || d
*10 == (int)(d
*10))
327 sprintf(out
, "%.1f%s", d
, units
[unit
]);
328 else if (d
>= 10 || d
*100 == (int)(d
*100))
329 sprintf(out
, "%.2f%s", d
, units
[unit
]);
331 sprintf(out
, "%.3f%s", d
, units
[unit
]);
335 hud_draw_graph_line_strip(struct hud_context
*hud
, const struct hud_graph
*gr
,
336 unsigned xoffset
, unsigned yoffset
, float yscale
)
338 if (gr
->num_vertices
<= 1)
341 assert(gr
->index
<= gr
->num_vertices
);
343 hud_draw_colored_prims(hud
, PIPE_PRIM_LINE_STRIP
,
344 gr
->vertices
, gr
->index
,
345 gr
->color
[0], gr
->color
[1], gr
->color
[2], 1,
346 xoffset
+ (gr
->pane
->max_num_vertices
- gr
->index
- 1) * 2 - 1,
349 if (gr
->num_vertices
<= gr
->index
)
352 hud_draw_colored_prims(hud
, PIPE_PRIM_LINE_STRIP
,
353 gr
->vertices
+ gr
->index
*2,
354 gr
->num_vertices
- gr
->index
,
355 gr
->color
[0], gr
->color
[1], gr
->color
[2], 1,
356 xoffset
- gr
->index
*2 - 1, yoffset
, yscale
);
360 hud_pane_accumulate_vertices(struct hud_context
*hud
,
361 const struct hud_pane
*pane
)
363 struct hud_graph
*gr
;
364 float *line_verts
= hud
->whitelines
.vertices
+ hud
->whitelines
.num_vertices
*2;
367 const unsigned last_line
= pane
->last_line
;
369 /* draw background */
370 hud_draw_background_quad(hud
,
374 /* draw numbers on the right-hand side */
375 for (i
= 0; i
<= last_line
; i
++) {
376 unsigned x
= pane
->x2
+ 2;
377 unsigned y
= pane
->inner_y1
+
378 pane
->inner_height
* (last_line
- i
) / last_line
-
379 hud
->font
.glyph_height
/ 2;
381 number_to_human_readable(pane
->max_value
* i
/ last_line
,
383 hud_draw_string(hud
, x
, y
, "%s", str
);
386 /* draw info below the pane */
388 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
389 unsigned x
= pane
->x1
+ 2;
390 unsigned y
= pane
->y2
+ 2 + i
*hud
->font
.glyph_height
;
392 number_to_human_readable(gr
->current_value
, pane
->type
, str
);
393 hud_draw_string(hud
, x
, y
, " %s: %s", gr
->name
, str
);
398 assert(hud
->whitelines
.num_vertices
+ num
/2 + 8 <= hud
->whitelines
.max_num_vertices
);
399 line_verts
[num
++] = (float) pane
->x1
;
400 line_verts
[num
++] = (float) pane
->y1
;
401 line_verts
[num
++] = (float) pane
->x2
;
402 line_verts
[num
++] = (float) pane
->y1
;
404 line_verts
[num
++] = (float) pane
->x2
;
405 line_verts
[num
++] = (float) pane
->y1
;
406 line_verts
[num
++] = (float) pane
->x2
;
407 line_verts
[num
++] = (float) pane
->y2
;
409 line_verts
[num
++] = (float) pane
->x1
;
410 line_verts
[num
++] = (float) pane
->y2
;
411 line_verts
[num
++] = (float) pane
->x2
;
412 line_verts
[num
++] = (float) pane
->y2
;
414 line_verts
[num
++] = (float) pane
->x1
;
415 line_verts
[num
++] = (float) pane
->y1
;
416 line_verts
[num
++] = (float) pane
->x1
;
417 line_verts
[num
++] = (float) pane
->y2
;
419 /* draw horizontal lines inside the graph */
420 for (i
= 0; i
<= last_line
; i
++) {
421 float y
= round((pane
->max_value
* i
/ (double)last_line
) *
422 pane
->yscale
+ pane
->inner_y2
);
424 assert(hud
->whitelines
.num_vertices
+ num
/2 + 2 <= hud
->whitelines
.max_num_vertices
);
425 line_verts
[num
++] = pane
->x1
;
426 line_verts
[num
++] = y
;
427 line_verts
[num
++] = pane
->x2
;
428 line_verts
[num
++] = y
;
431 hud
->whitelines
.num_vertices
+= num
/2;
435 hud_pane_draw_colored_objects(struct hud_context
*hud
,
436 const struct hud_pane
*pane
)
438 struct hud_graph
*gr
;
441 /* draw colored quads below the pane */
443 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
444 unsigned x
= pane
->x1
+ 2;
445 unsigned y
= pane
->y2
+ 2 + i
*hud
->font
.glyph_height
;
447 hud_draw_colored_quad(hud
, PIPE_PRIM_QUADS
, x
+ 1, y
+ 1, x
+ 12, y
+ 13,
448 gr
->color
[0], gr
->color
[1], gr
->color
[2], 1);
452 /* draw the line strips */
453 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
454 hud_draw_graph_line_strip(hud
, gr
, pane
->inner_x1
, pane
->inner_y2
, pane
->yscale
);
459 hud_alloc_vertices(struct hud_context
*hud
, struct vertex_queue
*v
,
460 unsigned num_vertices
, unsigned stride
)
463 v
->max_num_vertices
= num_vertices
;
464 v
->vbuf
.stride
= stride
;
465 u_upload_alloc(hud
->pipe
->stream_uploader
, 0, v
->vbuf
.stride
* v
->max_num_vertices
,
466 16, &v
->vbuf
.buffer_offset
, &v
->vbuf
.buffer
,
467 (void**)&v
->vertices
);
471 * Draw the HUD to the texture \p tex.
472 * The texture is usually the back buffer being displayed.
475 hud_draw(struct hud_context
*hud
, struct pipe_resource
*tex
)
477 struct cso_context
*cso
= hud
->cso
;
478 struct pipe_context
*pipe
= hud
->pipe
;
479 struct pipe_framebuffer_state fb
;
480 struct pipe_surface surf_templ
, *surf
;
481 struct pipe_viewport_state viewport
;
482 const struct pipe_sampler_state
*sampler_states
[] =
483 { &hud
->font_sampler_state
};
484 struct hud_pane
*pane
;
485 struct hud_graph
*gr
, *next
;
490 hud
->fb_width
= tex
->width0
;
491 hud
->fb_height
= tex
->height0
;
492 hud
->constants
.two_div_fb_width
= 2.0f
/ hud
->fb_width
;
493 hud
->constants
.two_div_fb_height
= 2.0f
/ hud
->fb_height
;
495 cso_save_state(cso
, (CSO_BIT_FRAMEBUFFER
|
496 CSO_BIT_SAMPLE_MASK
|
497 CSO_BIT_MIN_SAMPLES
|
499 CSO_BIT_DEPTH_STENCIL_ALPHA
|
500 CSO_BIT_FRAGMENT_SHADER
|
501 CSO_BIT_FRAGMENT_SAMPLER_VIEWS
|
502 CSO_BIT_FRAGMENT_SAMPLERS
|
505 CSO_BIT_STREAM_OUTPUTS
|
506 CSO_BIT_GEOMETRY_SHADER
|
507 CSO_BIT_TESSCTRL_SHADER
|
508 CSO_BIT_TESSEVAL_SHADER
|
509 CSO_BIT_VERTEX_SHADER
|
510 CSO_BIT_VERTEX_ELEMENTS
|
511 CSO_BIT_AUX_VERTEX_BUFFER_SLOT
|
512 CSO_BIT_PAUSE_QUERIES
|
513 CSO_BIT_RENDER_CONDITION
));
514 cso_save_constant_buffer_slot0(cso
, PIPE_SHADER_VERTEX
);
517 memset(&surf_templ
, 0, sizeof(surf_templ
));
518 surf_templ
.format
= tex
->format
;
520 /* Without this, AA lines look thinner if they are between 2 pixels
521 * because the alpha is 0.5 on both pixels. (it's ugly)
523 * sRGB makes the width of all AA lines look the same.
526 enum pipe_format srgb_format
= util_format_srgb(tex
->format
);
528 if (srgb_format
!= PIPE_FORMAT_NONE
)
529 surf_templ
.format
= srgb_format
;
531 surf
= pipe
->create_surface(pipe
, tex
, &surf_templ
);
533 memset(&fb
, 0, sizeof(fb
));
537 fb
.width
= hud
->fb_width
;
538 fb
.height
= hud
->fb_height
;
540 viewport
.scale
[0] = 0.5f
* hud
->fb_width
;
541 viewport
.scale
[1] = 0.5f
* hud
->fb_height
;
542 viewport
.scale
[2] = 1.0f
;
543 viewport
.translate
[0] = 0.5f
* hud
->fb_width
;
544 viewport
.translate
[1] = 0.5f
* hud
->fb_height
;
545 viewport
.translate
[2] = 0.0f
;
547 cso_set_framebuffer(cso
, &fb
);
548 cso_set_sample_mask(cso
, ~0);
549 cso_set_min_samples(cso
, 1);
550 cso_set_depth_stencil_alpha(cso
, &hud
->dsa
);
551 cso_set_rasterizer(cso
, &hud
->rasterizer
);
552 cso_set_viewport(cso
, &viewport
);
553 cso_set_stream_outputs(cso
, 0, NULL
, NULL
);
554 cso_set_tessctrl_shader_handle(cso
, NULL
);
555 cso_set_tesseval_shader_handle(cso
, NULL
);
556 cso_set_geometry_shader_handle(cso
, NULL
);
557 cso_set_vertex_shader_handle(cso
, hud
->vs
);
558 cso_set_vertex_elements(cso
, 2, hud
->velems
);
559 cso_set_render_condition(cso
, NULL
, FALSE
, 0);
560 cso_set_sampler_views(cso
, PIPE_SHADER_FRAGMENT
, 1,
561 &hud
->font_sampler_view
);
562 cso_set_samplers(cso
, PIPE_SHADER_FRAGMENT
, 1, sampler_states
);
563 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
565 /* prepare vertex buffers */
566 hud_alloc_vertices(hud
, &hud
->bg
, 16 * 256, 2 * sizeof(float));
567 hud_alloc_vertices(hud
, &hud
->whitelines
, 4 * 256, 2 * sizeof(float));
568 hud_alloc_vertices(hud
, &hud
->text
, 16 * 1024, 4 * sizeof(float));
570 /* prepare all graphs */
571 hud_batch_query_update(hud
->batch_query
);
573 LIST_FOR_EACH_ENTRY(pane
, &hud
->pane_list
, head
) {
574 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
575 gr
->query_new_value(gr
);
578 if (pane
->sort_items
) {
579 LIST_FOR_EACH_ENTRY_SAFE(gr
, next
, &pane
->graph_list
, head
) {
580 /* ignore the last one */
581 if (&gr
->head
== pane
->graph_list
.prev
)
584 /* This is an incremental bubble sort, because we only do one pass
585 * per frame. It will eventually reach an equilibrium.
587 if (gr
->current_value
<
588 LIST_ENTRY(struct hud_graph
, next
, head
)->current_value
) {
590 LIST_ADD(&gr
->head
, &next
->head
);
595 hud_pane_accumulate_vertices(hud
, pane
);
598 /* unmap the uploader's vertex buffer before drawing */
599 u_upload_unmap(pipe
->stream_uploader
);
601 /* draw accumulated vertices for background quads */
602 cso_set_blend(cso
, &hud
->alpha_blend
);
603 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_color
);
605 if (hud
->bg
.num_vertices
) {
606 hud
->constants
.color
[0] = 0;
607 hud
->constants
.color
[1] = 0;
608 hud
->constants
.color
[2] = 0;
609 hud
->constants
.color
[3] = 0.666f
;
610 hud
->constants
.translate
[0] = 0;
611 hud
->constants
.translate
[1] = 0;
612 hud
->constants
.scale
[0] = 1;
613 hud
->constants
.scale
[1] = 1;
615 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
616 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
), 1,
618 cso_draw_arrays(cso
, PIPE_PRIM_QUADS
, 0, hud
->bg
.num_vertices
);
620 pipe_resource_reference(&hud
->bg
.vbuf
.buffer
, NULL
);
622 /* draw accumulated vertices for white lines */
623 cso_set_blend(cso
, &hud
->no_blend
);
625 hud
->constants
.color
[0] = 1;
626 hud
->constants
.color
[1] = 1;
627 hud
->constants
.color
[2] = 1;
628 hud
->constants
.color
[3] = 1;
629 hud
->constants
.translate
[0] = 0;
630 hud
->constants
.translate
[1] = 0;
631 hud
->constants
.scale
[0] = 1;
632 hud
->constants
.scale
[1] = 1;
633 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
635 if (hud
->whitelines
.num_vertices
) {
636 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
), 1,
637 &hud
->whitelines
.vbuf
);
638 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_color
);
639 cso_draw_arrays(cso
, PIPE_PRIM_LINES
, 0, hud
->whitelines
.num_vertices
);
641 pipe_resource_reference(&hud
->whitelines
.vbuf
.buffer
, NULL
);
643 /* draw accumulated vertices for text */
644 cso_set_blend(cso
, &hud
->alpha_blend
);
645 if (hud
->text
.num_vertices
) {
646 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
), 1,
648 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_text
);
649 cso_draw_arrays(cso
, PIPE_PRIM_QUADS
, 0, hud
->text
.num_vertices
);
651 pipe_resource_reference(&hud
->text
.vbuf
.buffer
, NULL
);
654 cso_set_rasterizer(cso
, &hud
->rasterizer_aa_lines
);
655 LIST_FOR_EACH_ENTRY(pane
, &hud
->pane_list
, head
) {
657 hud_pane_draw_colored_objects(hud
, pane
);
660 cso_restore_state(cso
);
661 cso_restore_constant_buffer_slot0(cso
, PIPE_SHADER_VERTEX
);
663 pipe_surface_reference(&surf
, NULL
);
666 hud_batch_query_begin(hud
->batch_query
);
668 LIST_FOR_EACH_ENTRY(pane
, &hud
->pane_list
, head
) {
669 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
677 fixup_bytes(enum pipe_driver_query_type type
, int position
, uint64_t *exp10
)
679 if (type
== PIPE_DRIVER_QUERY_TYPE_BYTES
&& position
% 3 == 0)
680 *exp10
= (*exp10
/ 1000) * 1024;
684 * Set the maximum value for the Y axis of the graph.
685 * This scales the graph accordingly.
688 hud_pane_set_max_value(struct hud_pane
*pane
, uint64_t value
)
690 double leftmost_digit
;
694 /* The following code determines the max_value in the graph as well as
695 * how many describing lines are drawn. The max_value is rounded up,
696 * so that all drawn numbers are rounded for readability.
697 * We want to print multiples of a simple number instead of multiples of
698 * hard-to-read numbers like 1.753.
701 /* Find the left-most digit. */
703 for (i
= 0; value
> 9 * exp10
; i
++) {
705 fixup_bytes(pane
->type
, i
+ 1, &exp10
);
708 leftmost_digit
= DIV_ROUND_UP(value
, exp10
);
711 if (leftmost_digit
== 9) {
714 fixup_bytes(pane
->type
, i
+ 1, &exp10
);
717 switch ((unsigned)leftmost_digit
) {
719 pane
->last_line
= 5; /* lines in +1/5 increments */
722 pane
->last_line
= 8; /* lines in +1/4 increments. */
726 pane
->last_line
= leftmost_digit
* 2; /* lines in +1/2 increments */
732 pane
->last_line
= leftmost_digit
; /* lines in +1 increments */
738 /* Truncate {3,4} to {2.5, 3.5} if possible. */
739 for (i
= 3; i
<= 4; i
++) {
740 if (leftmost_digit
== i
&& value
<= (i
- 0.5) * exp10
) {
741 leftmost_digit
= i
- 0.5;
742 pane
->last_line
= leftmost_digit
* 2; /* lines in +1/2 increments. */
746 /* Truncate 2 to a multiple of 0.2 in (1, 1.6] if possible. */
747 if (leftmost_digit
== 2) {
748 for (i
= 1; i
<= 3; i
++) {
749 if (value
<= (1 + i
*0.2) * exp10
) {
750 leftmost_digit
= 1 + i
*0.2;
751 pane
->last_line
= 5 + i
; /* lines in +1/5 increments. */
757 pane
->max_value
= leftmost_digit
* exp10
;
758 pane
->yscale
= -(int)pane
->inner_height
/ (float)pane
->max_value
;
762 hud_pane_update_dyn_ceiling(struct hud_graph
*gr
, struct hud_pane
*pane
)
767 if (pane
->dyn_ceil_last_ran
!= gr
->index
) {
768 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
769 for (i
= 0; i
< gr
->num_vertices
; ++i
) {
770 tmp
= gr
->vertices
[i
* 2 + 1] > tmp
?
771 gr
->vertices
[i
* 2 + 1] : tmp
;
775 /* Avoid setting it lower than the initial starting height. */
776 tmp
= tmp
> pane
->initial_max_value
? tmp
: pane
->initial_max_value
;
777 hud_pane_set_max_value(pane
, tmp
);
781 * Mark this adjustment run so we could avoid repeating a full update
782 * again needlessly in case the pane has more than one graph.
784 pane
->dyn_ceil_last_ran
= gr
->index
;
787 static struct hud_pane
*
788 hud_pane_create(unsigned x1
, unsigned y1
, unsigned x2
, unsigned y2
,
789 unsigned period
, uint64_t max_value
, uint64_t ceiling
,
790 boolean dyn_ceiling
, boolean sort_items
)
792 struct hud_pane
*pane
= CALLOC_STRUCT(hud_pane
);
801 pane
->inner_x1
= x1
+ 1;
802 pane
->inner_x2
= x2
- 1;
803 pane
->inner_y1
= y1
+ 1;
804 pane
->inner_y2
= y2
- 1;
805 pane
->inner_width
= pane
->inner_x2
- pane
->inner_x1
;
806 pane
->inner_height
= pane
->inner_y2
- pane
->inner_y1
;
807 pane
->period
= period
;
808 pane
->max_num_vertices
= (x2
- x1
+ 2) / 2;
809 pane
->ceiling
= ceiling
;
810 pane
->dyn_ceiling
= dyn_ceiling
;
811 pane
->dyn_ceil_last_ran
= 0;
812 pane
->sort_items
= sort_items
;
813 pane
->initial_max_value
= max_value
;
814 hud_pane_set_max_value(pane
, max_value
);
815 LIST_INITHEAD(&pane
->graph_list
);
819 /* replace '-' with a space */
821 strip_hyphens(char *s
)
831 * Add a graph to an existing pane.
832 * One pane can contain multiple graphs over each other.
835 hud_pane_add_graph(struct hud_pane
*pane
, struct hud_graph
*gr
)
837 static const float colors
[][3] = {
854 unsigned color
= pane
->next_color
% ARRAY_SIZE(colors
);
856 strip_hyphens(gr
->name
);
858 gr
->vertices
= MALLOC(pane
->max_num_vertices
* sizeof(float) * 2);
859 gr
->color
[0] = colors
[color
][0];
860 gr
->color
[1] = colors
[color
][1];
861 gr
->color
[2] = colors
[color
][2];
863 LIST_ADDTAIL(&gr
->head
, &pane
->graph_list
);
869 hud_graph_add_value(struct hud_graph
*gr
, uint64_t value
)
871 gr
->current_value
= value
;
872 value
= value
> gr
->pane
->ceiling
? gr
->pane
->ceiling
: value
;
875 fprintf(gr
->fd
, "%" PRIu64
"\n", value
);
877 if (gr
->index
== gr
->pane
->max_num_vertices
) {
879 gr
->vertices
[1] = gr
->vertices
[(gr
->index
-1)*2+1];
882 gr
->vertices
[(gr
->index
)*2+0] = (float) (gr
->index
* 2);
883 gr
->vertices
[(gr
->index
)*2+1] = (float) value
;
886 if (gr
->num_vertices
< gr
->pane
->max_num_vertices
) {
890 if (gr
->pane
->dyn_ceiling
== true) {
891 hud_pane_update_dyn_ceiling(gr
, gr
->pane
);
893 if (value
> gr
->pane
->max_value
) {
894 hud_pane_set_max_value(gr
->pane
, value
);
899 hud_graph_destroy(struct hud_graph
*graph
)
901 FREE(graph
->vertices
);
902 if (graph
->free_query_data
)
903 graph
->free_query_data(graph
->query_data
);
910 hud_graph_set_dump_file(struct hud_graph
*gr
)
912 #ifndef PIPE_OS_WINDOWS
913 const char *hud_dump_dir
= getenv("GALLIUM_HUD_DUMP_DIR");
916 if (hud_dump_dir
&& access(hud_dump_dir
, W_OK
) == 0) {
917 dump_file
= malloc(strlen(hud_dump_dir
) + sizeof("/") + sizeof(gr
->name
));
919 strcpy(dump_file
, hud_dump_dir
);
920 strcat(dump_file
, "/");
921 strcat(dump_file
, gr
->name
);
922 gr
->fd
= fopen(dump_file
, "w+");
930 * Read a string from the environment variable.
931 * The separators "+", ",", ":", and ";" terminate the string.
932 * Return the number of read characters.
935 parse_string(const char *s
, char *out
)
939 for (i
= 0; *s
&& *s
!= '+' && *s
!= ',' && *s
!= ':' && *s
!= ';' && *s
!= '=';
946 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c' (%i) while "
947 "parsing a string\n", *s
, *s
);
955 read_pane_settings(char *str
, unsigned * const x
, unsigned * const y
,
956 unsigned * const width
, unsigned * const height
,
957 uint64_t * const ceiling
, boolean
* const dyn_ceiling
,
958 boolean
*reset_colors
, boolean
*sort_items
)
963 while (*str
== '.') {
968 *x
= strtoul(str
, &ret
, 10);
974 *y
= strtoul(str
, &ret
, 10);
980 tmp
= strtoul(str
, &ret
, 10);
981 *width
= tmp
> 80 ? tmp
: 80; /* 80 is chosen arbitrarily */
986 * Prevent setting height to less than 50. If the height is set to less,
987 * the text of the Y axis labels on the graph will start overlapping.
991 tmp
= strtoul(str
, &ret
, 10);
992 *height
= tmp
> 50 ? tmp
: 50;
998 tmp
= strtoul(str
, &ret
, 10);
999 *ceiling
= tmp
> 10 ? tmp
: 10;
1006 *dyn_ceiling
= true;
1012 *reset_colors
= true;
1022 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c'\n", *str
);
1032 has_occlusion_query(struct pipe_screen
*screen
)
1034 return screen
->get_param(screen
, PIPE_CAP_OCCLUSION_QUERY
) != 0;
1038 has_streamout(struct pipe_screen
*screen
)
1040 return screen
->get_param(screen
, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
) != 0;
1044 has_pipeline_stats_query(struct pipe_screen
*screen
)
1046 return screen
->get_param(screen
, PIPE_CAP_QUERY_PIPELINE_STATISTICS
) != 0;
1050 hud_parse_env_var(struct hud_context
*hud
, const char *env
)
1053 char name_a
[256], s
[256];
1055 struct hud_pane
*pane
= NULL
;
1056 unsigned x
= 10, y
= 10;
1057 unsigned width
= 251, height
= 100;
1058 unsigned period
= 500 * 1000; /* default period (1/2 second) */
1059 uint64_t ceiling
= UINT64_MAX
;
1060 unsigned column_width
= 251;
1061 boolean dyn_ceiling
= false;
1062 boolean reset_colors
= false;
1063 boolean sort_items
= false;
1064 const char *period_env
;
1067 * The GALLIUM_HUD_PERIOD env var sets the graph update rate.
1068 * The env var is in seconds (a float).
1069 * Zero means update after every frame.
1071 period_env
= getenv("GALLIUM_HUD_PERIOD");
1073 float p
= (float) atof(period_env
);
1075 period
= (unsigned) (p
* 1000 * 1000);
1079 while ((num
= parse_string(env
, name_a
)) != 0) {
1082 /* check for explicit location, size and etc. settings */
1083 name
= read_pane_settings(name_a
, &x
, &y
, &width
, &height
, &ceiling
,
1084 &dyn_ceiling
, &reset_colors
, &sort_items
);
1087 * Keep track of overall column width to avoid pane overlapping in case
1088 * later we create a new column while the bottom pane in the current
1089 * column is less wide than the rest of the panes in it.
1091 column_width
= width
> column_width
? width
: column_width
;
1094 pane
= hud_pane_create(x
, y
, x
+ width
, y
+ height
, period
, 10,
1095 ceiling
, dyn_ceiling
, sort_items
);
1101 pane
->next_color
= 0;
1102 reset_colors
= false;
1106 #if HAVE_GALLIUM_EXTRA_HUD || HAVE_LIBSENSORS
1109 /* IF YOU CHANGE THIS, UPDATE print_help! */
1110 if (strcmp(name
, "fps") == 0) {
1111 hud_fps_graph_install(pane
);
1113 else if (strcmp(name
, "cpu") == 0) {
1114 hud_cpu_graph_install(pane
, ALL_CPUS
);
1116 else if (sscanf(name
, "cpu%u%s", &i
, s
) == 1) {
1117 hud_cpu_graph_install(pane
, i
);
1119 #if HAVE_GALLIUM_EXTRA_HUD
1120 else if (sscanf(name
, "nic-rx-%s", arg_name
) == 1) {
1121 hud_nic_graph_install(pane
, arg_name
, NIC_DIRECTION_RX
);
1123 else if (sscanf(name
, "nic-tx-%s", arg_name
) == 1) {
1124 hud_nic_graph_install(pane
, arg_name
, NIC_DIRECTION_TX
);
1126 else if (sscanf(name
, "nic-rssi-%s", arg_name
) == 1) {
1127 hud_nic_graph_install(pane
, arg_name
, NIC_RSSI_DBM
);
1128 pane
->type
= PIPE_DRIVER_QUERY_TYPE_DBM
;
1130 else if (sscanf(name
, "diskstat-rd-%s", arg_name
) == 1) {
1131 hud_diskstat_graph_install(pane
, arg_name
, DISKSTAT_RD
);
1132 pane
->type
= PIPE_DRIVER_QUERY_TYPE_BYTES
;
1134 else if (sscanf(name
, "diskstat-wr-%s", arg_name
) == 1) {
1135 hud_diskstat_graph_install(pane
, arg_name
, DISKSTAT_WR
);
1136 pane
->type
= PIPE_DRIVER_QUERY_TYPE_BYTES
;
1138 else if (sscanf(name
, "cpufreq-min-cpu%u", &i
) == 1) {
1139 hud_cpufreq_graph_install(pane
, i
, CPUFREQ_MINIMUM
);
1140 pane
->type
= PIPE_DRIVER_QUERY_TYPE_HZ
;
1142 else if (sscanf(name
, "cpufreq-cur-cpu%u", &i
) == 1) {
1143 hud_cpufreq_graph_install(pane
, i
, CPUFREQ_CURRENT
);
1144 pane
->type
= PIPE_DRIVER_QUERY_TYPE_HZ
;
1146 else if (sscanf(name
, "cpufreq-max-cpu%u", &i
) == 1) {
1147 hud_cpufreq_graph_install(pane
, i
, CPUFREQ_MAXIMUM
);
1148 pane
->type
= PIPE_DRIVER_QUERY_TYPE_HZ
;
1152 else if (sscanf(name
, "sensors_temp_cu-%s", arg_name
) == 1) {
1153 hud_sensors_temp_graph_install(pane
, arg_name
,
1154 SENSORS_TEMP_CURRENT
);
1155 pane
->type
= PIPE_DRIVER_QUERY_TYPE_TEMPERATURE
;
1157 else if (sscanf(name
, "sensors_temp_cr-%s", arg_name
) == 1) {
1158 hud_sensors_temp_graph_install(pane
, arg_name
,
1159 SENSORS_TEMP_CRITICAL
);
1160 pane
->type
= PIPE_DRIVER_QUERY_TYPE_TEMPERATURE
;
1162 else if (sscanf(name
, "sensors_volt_cu-%s", arg_name
) == 1) {
1163 hud_sensors_temp_graph_install(pane
, arg_name
,
1164 SENSORS_VOLTAGE_CURRENT
);
1165 pane
->type
= PIPE_DRIVER_QUERY_TYPE_VOLTS
;
1167 else if (sscanf(name
, "sensors_curr_cu-%s", arg_name
) == 1) {
1168 hud_sensors_temp_graph_install(pane
, arg_name
,
1169 SENSORS_CURRENT_CURRENT
);
1170 pane
->type
= PIPE_DRIVER_QUERY_TYPE_AMPS
;
1172 else if (sscanf(name
, "sensors_pow_cu-%s", arg_name
) == 1) {
1173 hud_sensors_temp_graph_install(pane
, arg_name
,
1174 SENSORS_POWER_CURRENT
);
1175 pane
->type
= PIPE_DRIVER_QUERY_TYPE_WATTS
;
1178 else if (strcmp(name
, "samples-passed") == 0 &&
1179 has_occlusion_query(hud
->pipe
->screen
)) {
1180 hud_pipe_query_install(&hud
->batch_query
, pane
, hud
->pipe
,
1182 PIPE_QUERY_OCCLUSION_COUNTER
, 0, 0,
1183 PIPE_DRIVER_QUERY_TYPE_UINT64
,
1184 PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE
,
1187 else if (strcmp(name
, "primitives-generated") == 0 &&
1188 has_streamout(hud
->pipe
->screen
)) {
1189 hud_pipe_query_install(&hud
->batch_query
, pane
, hud
->pipe
,
1190 "primitives-generated",
1191 PIPE_QUERY_PRIMITIVES_GENERATED
, 0, 0,
1192 PIPE_DRIVER_QUERY_TYPE_UINT64
,
1193 PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE
,
1197 boolean processed
= FALSE
;
1199 /* pipeline statistics queries */
1200 if (has_pipeline_stats_query(hud
->pipe
->screen
)) {
1201 static const char *pipeline_statistics_names
[] =
1208 "clipper-invocations",
1209 "clipper-primitives-generated",
1215 for (i
= 0; i
< ARRAY_SIZE(pipeline_statistics_names
); ++i
)
1216 if (strcmp(name
, pipeline_statistics_names
[i
]) == 0)
1218 if (i
< ARRAY_SIZE(pipeline_statistics_names
)) {
1219 hud_pipe_query_install(&hud
->batch_query
, pane
, hud
->pipe
, name
,
1220 PIPE_QUERY_PIPELINE_STATISTICS
, i
,
1221 0, PIPE_DRIVER_QUERY_TYPE_UINT64
,
1222 PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE
,
1228 /* driver queries */
1230 if (!hud_driver_query_install(&hud
->batch_query
, pane
, hud
->pipe
,
1232 fprintf(stderr
, "gallium_hud: unknown driver query '%s'\n", name
);
1242 fprintf(stderr
, "gallium_hud: syntax error: unexpected ':', "
1243 "expected a name\n");
1248 num
= parse_string(env
, s
);
1251 if (num
&& sscanf(s
, "%u", &i
) == 1) {
1252 hud_pane_set_max_value(pane
, i
);
1253 pane
->initial_max_value
= i
;
1256 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c' (%i) "
1257 "after ':'\n", *env
, *env
);
1266 fprintf(stderr
, "gallium_hud: syntax error: unexpected '=', "
1267 "expected a name\n");
1272 num
= parse_string(env
, s
);
1276 if (!LIST_IS_EMPTY(&pane
->graph_list
)) {
1277 struct hud_graph
*graph
;
1278 graph
= LIST_ENTRY(struct hud_graph
, pane
->graph_list
.prev
, head
);
1279 strncpy(graph
->name
, s
, sizeof(graph
->name
)-1);
1280 graph
->name
[sizeof(graph
->name
)-1] = 0;
1287 /* parse a separator */
1298 y
+= height
+ hud
->font
.glyph_height
* (pane
->num_graphs
+ 2);
1301 if (pane
&& pane
->num_graphs
) {
1302 LIST_ADDTAIL(&pane
->head
, &hud
->pane_list
);
1310 x
+= column_width
+ hud
->font
.glyph_width
* 9;
1313 if (pane
&& pane
->num_graphs
) {
1314 LIST_ADDTAIL(&pane
->head
, &hud
->pane_list
);
1318 /* Starting a new column; reset column width. */
1323 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c'\n", *env
);
1327 /* Reset to defaults for the next pane in case these were modified. */
1329 ceiling
= UINT64_MAX
;
1330 dyn_ceiling
= false;
1336 if (pane
->num_graphs
) {
1337 LIST_ADDTAIL(&pane
->head
, &hud
->pane_list
);
1346 print_help(struct pipe_screen
*screen
)
1348 int i
, num_queries
, num_cpus
= hud_get_num_cpus();
1350 puts("Syntax: GALLIUM_HUD=name1[+name2][...][:value1][,nameI...][;nameJ...]");
1352 puts(" Names are identifiers of data sources which will be drawn as graphs");
1353 puts(" in panes. Multiple graphs can be drawn in the same pane.");
1354 puts(" There can be multiple panes placed in rows and columns.");
1356 puts(" '+' separates names which will share a pane.");
1357 puts(" ':[value]' specifies the initial maximum value of the Y axis");
1358 puts(" for the given pane.");
1359 puts(" ',' creates a new pane below the last one.");
1360 puts(" ';' creates a new pane at the top of the next column.");
1361 puts(" '=' followed by a string, changes the name of the last data source");
1362 puts(" to that string");
1364 puts(" Example: GALLIUM_HUD=\"cpu,fps;primitives-generated\"");
1366 puts(" Additionally, by prepending '.[identifier][value]' modifiers to");
1367 puts(" a name, it is possible to explicitly set the location and size");
1368 puts(" of a pane, along with limiting overall maximum value of the");
1369 puts(" Y axis and activating dynamic readjustment of the Y axis.");
1370 puts(" Several modifiers may be applied to the same pane simultaneously.");
1372 puts(" 'x[value]' sets the location of the pane on the x axis relative");
1373 puts(" to the upper-left corner of the viewport, in pixels.");
1374 puts(" 'y[value]' sets the location of the pane on the y axis relative");
1375 puts(" to the upper-left corner of the viewport, in pixels.");
1376 puts(" 'w[value]' sets width of the graph pixels.");
1377 puts(" 'h[value]' sets height of the graph in pixels.");
1378 puts(" 'c[value]' sets the ceiling of the value of the Y axis.");
1379 puts(" If the graph needs to draw values higher than");
1380 puts(" the ceiling allows, the value is clamped.");
1381 puts(" 'd' activates dynamic Y axis readjustment to set the value of");
1382 puts(" the Y axis to match the highest value still visible in the graph.");
1383 puts(" 'r' resets the color counter (the next color will be green)");
1384 puts(" 's' sort items below graphs in descending order");
1386 puts(" If 'c' and 'd' modifiers are used simultaneously, both are in effect:");
1387 puts(" the Y axis does not go above the restriction imposed by 'c' while");
1388 puts(" still adjusting the value of the Y axis down when appropriate.");
1390 puts(" Example: GALLIUM_HUD=\".w256.h64.x1600.y520.d.c1000fps+cpu,.datom-count\"");
1392 puts(" Available names:");
1396 for (i
= 0; i
< num_cpus
; i
++)
1397 printf(" cpu%i\n", i
);
1399 if (has_occlusion_query(screen
))
1400 puts(" samples-passed");
1401 if (has_streamout(screen
))
1402 puts(" primitives-generated");
1404 if (has_pipeline_stats_query(screen
)) {
1405 puts(" ia-vertices");
1406 puts(" ia-primitives");
1407 puts(" vs-invocations");
1408 puts(" gs-invocations");
1409 puts(" gs-primitives");
1410 puts(" clipper-invocations");
1411 puts(" clipper-primitives-generated");
1412 puts(" ps-invocations");
1413 puts(" hs-invocations");
1414 puts(" ds-invocations");
1415 puts(" cs-invocations");
1418 #if HAVE_GALLIUM_EXTRA_HUD
1419 hud_get_num_disks(1);
1420 hud_get_num_nics(1);
1421 hud_get_num_cpufreq(1);
1424 hud_get_num_sensors(1);
1427 if (screen
->get_driver_query_info
){
1428 boolean skipping
= false;
1429 struct pipe_driver_query_info info
;
1430 num_queries
= screen
->get_driver_query_info(screen
, 0, NULL
);
1432 for (i
= 0; i
< num_queries
; i
++){
1433 screen
->get_driver_query_info(screen
, i
, &info
);
1434 if (info
.flags
& PIPE_DRIVER_QUERY_FLAG_DONT_LIST
) {
1439 printf(" %s\n", info
.name
);
1449 struct hud_context
*
1450 hud_create(struct pipe_context
*pipe
, struct cso_context
*cso
)
1452 struct pipe_screen
*screen
= pipe
->screen
;
1453 struct hud_context
*hud
;
1454 struct pipe_sampler_view view_templ
;
1456 const char *env
= debug_get_option("GALLIUM_HUD", NULL
);
1458 unsigned signo
= debug_get_num_option("GALLIUM_HUD_TOGGLE_SIGNAL", 0);
1459 static boolean sig_handled
= FALSE
;
1460 struct sigaction action
= {};
1462 huds_visible
= debug_get_bool_option("GALLIUM_HUD_VISIBLE", TRUE
);
1467 if (strcmp(env
, "help") == 0) {
1468 print_help(pipe
->screen
);
1472 hud
= CALLOC_STRUCT(hud_context
);
1480 if (!util_font_create(pipe
, UTIL_FONT_FIXED_8X13
, &hud
->font
)) {
1485 hud
->has_srgb
= screen
->is_format_supported(screen
,
1486 PIPE_FORMAT_B8G8R8A8_SRGB
,
1488 PIPE_BIND_RENDER_TARGET
) != 0;
1491 hud
->no_blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
1493 hud
->alpha_blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
1494 hud
->alpha_blend
.rt
[0].blend_enable
= 1;
1495 hud
->alpha_blend
.rt
[0].rgb_func
= PIPE_BLEND_ADD
;
1496 hud
->alpha_blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
1497 hud
->alpha_blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
1498 hud
->alpha_blend
.rt
[0].alpha_func
= PIPE_BLEND_ADD
;
1499 hud
->alpha_blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ZERO
;
1500 hud
->alpha_blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ONE
;
1502 /* fragment shader */
1504 util_make_fragment_passthrough_shader(pipe
,
1505 TGSI_SEMANTIC_COLOR
,
1506 TGSI_INTERPOLATE_CONSTANT
,
1510 /* Read a texture and do .xxxx swizzling. */
1511 static const char *fragment_shader_text
= {
1513 "DCL IN[0], GENERIC[0], LINEAR\n"
1515 "DCL SVIEW[0], RECT, FLOAT\n"
1516 "DCL OUT[0], COLOR[0]\n"
1519 "TEX TEMP[0], IN[0], SAMP[0], RECT\n"
1520 "MOV OUT[0], TEMP[0].xxxx\n"
1524 struct tgsi_token tokens
[1000];
1525 struct pipe_shader_state state
;
1527 if (!tgsi_text_translate(fragment_shader_text
, tokens
, ARRAY_SIZE(tokens
))) {
1529 pipe_resource_reference(&hud
->font
.texture
, NULL
);
1533 pipe_shader_state_from_tgsi(&state
, tokens
);
1534 hud
->fs_text
= pipe
->create_fs_state(pipe
, &state
);
1538 hud
->rasterizer
.half_pixel_center
= 1;
1539 hud
->rasterizer
.bottom_edge_rule
= 1;
1540 hud
->rasterizer
.depth_clip
= 1;
1541 hud
->rasterizer
.line_width
= 1;
1542 hud
->rasterizer
.line_last_pixel
= 1;
1544 hud
->rasterizer_aa_lines
= hud
->rasterizer
;
1545 hud
->rasterizer_aa_lines
.line_smooth
= 1;
1549 static const char *vertex_shader_text
= {
1552 "DCL OUT[0], POSITION\n"
1553 "DCL OUT[1], COLOR[0]\n" /* color */
1554 "DCL OUT[2], GENERIC[0]\n" /* texcoord */
1556 * [1] = (2/fb_width, 2/fb_height, xoffset, yoffset)
1557 * [2] = (xscale, yscale, 0, 0) */
1560 "IMM[0] FLT32 { -1, 0, 0, 1 }\n"
1562 /* v = in * (xscale, yscale) + (xoffset, yoffset) */
1563 "MAD TEMP[0].xy, IN[0], CONST[2].xyyy, CONST[1].zwww\n"
1564 /* pos = v * (2 / fb_width, 2 / fb_height) - (1, 1) */
1565 "MAD OUT[0].xy, TEMP[0], CONST[1].xyyy, IMM[0].xxxx\n"
1566 "MOV OUT[0].zw, IMM[0]\n"
1568 "MOV OUT[1], CONST[0]\n"
1569 "MOV OUT[2], IN[1]\n"
1573 struct tgsi_token tokens
[1000];
1574 struct pipe_shader_state state
;
1575 if (!tgsi_text_translate(vertex_shader_text
, tokens
, ARRAY_SIZE(tokens
))) {
1577 pipe_resource_reference(&hud
->font
.texture
, NULL
);
1581 pipe_shader_state_from_tgsi(&state
, tokens
);
1582 hud
->vs
= pipe
->create_vs_state(pipe
, &state
);
1585 /* vertex elements */
1586 for (i
= 0; i
< 2; i
++) {
1587 hud
->velems
[i
].src_offset
= i
* 2 * sizeof(float);
1588 hud
->velems
[i
].src_format
= PIPE_FORMAT_R32G32_FLOAT
;
1589 hud
->velems
[i
].vertex_buffer_index
= cso_get_aux_vertex_buffer_slot(cso
);
1593 u_sampler_view_default_template(
1594 &view_templ
, hud
->font
.texture
, hud
->font
.texture
->format
);
1595 hud
->font_sampler_view
= pipe
->create_sampler_view(pipe
, hud
->font
.texture
,
1598 /* sampler state (for font drawing) */
1599 hud
->font_sampler_state
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1600 hud
->font_sampler_state
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1601 hud
->font_sampler_state
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1602 hud
->font_sampler_state
.normalized_coords
= 0;
1605 hud
->constbuf
.buffer_size
= sizeof(hud
->constants
);
1606 hud
->constbuf
.user_buffer
= &hud
->constants
;
1608 LIST_INITHEAD(&hud
->pane_list
);
1610 /* setup sig handler once for all hud contexts */
1612 if (!sig_handled
&& signo
!= 0) {
1613 action
.sa_sigaction
= &signal_visible_handler
;
1614 action
.sa_flags
= SA_SIGINFO
;
1617 fprintf(stderr
, "gallium_hud: invalid signal %u\n", signo
);
1618 else if (sigaction(signo
, &action
, NULL
) < 0)
1619 fprintf(stderr
, "gallium_hud: unable to set handler for signal %u\n", signo
);
1626 hud_parse_env_var(hud
, env
);
1631 hud_destroy(struct hud_context
*hud
)
1633 struct pipe_context
*pipe
= hud
->pipe
;
1634 struct hud_pane
*pane
, *pane_tmp
;
1635 struct hud_graph
*graph
, *graph_tmp
;
1637 LIST_FOR_EACH_ENTRY_SAFE(pane
, pane_tmp
, &hud
->pane_list
, head
) {
1638 LIST_FOR_EACH_ENTRY_SAFE(graph
, graph_tmp
, &pane
->graph_list
, head
) {
1639 LIST_DEL(&graph
->head
);
1640 hud_graph_destroy(graph
);
1642 LIST_DEL(&pane
->head
);
1646 hud_batch_query_cleanup(&hud
->batch_query
);
1647 pipe
->delete_fs_state(pipe
, hud
->fs_color
);
1648 pipe
->delete_fs_state(pipe
, hud
->fs_text
);
1649 pipe
->delete_vs_state(pipe
, hud
->vs
);
1650 pipe_sampler_view_reference(&hud
->font_sampler_view
, NULL
);
1651 pipe_resource_reference(&hud
->font
.texture
, NULL
);