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.
39 #include "hud/hud_context.h"
40 #include "hud/hud_private.h"
43 #include "cso_cache/cso_context.h"
44 #include "util/u_draw_quad.h"
45 #include "util/u_format.h"
46 #include "util/u_inlines.h"
47 #include "util/u_memory.h"
48 #include "util/u_math.h"
49 #include "util/u_sampler.h"
50 #include "util/u_simple_shaders.h"
51 #include "util/u_string.h"
52 #include "util/u_upload_mgr.h"
53 #include "tgsi/tgsi_text.h"
54 #include "tgsi/tgsi_dump.h"
56 /* Control the visibility of all HUD contexts */
57 static boolean huds_visible
= TRUE
;
60 struct pipe_context
*pipe
;
61 struct cso_context
*cso
;
62 struct u_upload_mgr
*uploader
;
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
, uint64_t max_value
,
249 enum pipe_driver_query_type type
, char *out
)
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 if (max_value
== 100) {
311 max_unit
= ARRAY_SIZE(percent_units
)-1;
312 units
= percent_units
;
314 max_unit
= ARRAY_SIZE(metric_units
)-1;
315 units
= metric_units
;
319 while (d
> divisor
&& unit
< max_unit
) {
324 /* Round to 3 decimal places so as not to print trailing zeros. */
325 if (d
*1000 != (int)(d
*1000))
326 d
= round(d
* 1000) / 1000;
328 /* Show at least 4 digits with at most 3 decimal places, but not zeros. */
329 if (d
>= 1000 || d
== (int)d
)
330 sprintf(out
, "%.0f%s", d
, units
[unit
]);
331 else if (d
>= 100 || d
*10 == (int)(d
*10))
332 sprintf(out
, "%.1f%s", d
, units
[unit
]);
333 else if (d
>= 10 || d
*100 == (int)(d
*100))
334 sprintf(out
, "%.2f%s", d
, units
[unit
]);
336 sprintf(out
, "%.3f%s", d
, units
[unit
]);
340 hud_draw_graph_line_strip(struct hud_context
*hud
, const struct hud_graph
*gr
,
341 unsigned xoffset
, unsigned yoffset
, float yscale
)
343 if (gr
->num_vertices
<= 1)
346 assert(gr
->index
<= gr
->num_vertices
);
348 hud_draw_colored_prims(hud
, PIPE_PRIM_LINE_STRIP
,
349 gr
->vertices
, gr
->index
,
350 gr
->color
[0], gr
->color
[1], gr
->color
[2], 1,
351 xoffset
+ (gr
->pane
->max_num_vertices
- gr
->index
- 1) * 2 - 1,
354 if (gr
->num_vertices
<= gr
->index
)
357 hud_draw_colored_prims(hud
, PIPE_PRIM_LINE_STRIP
,
358 gr
->vertices
+ gr
->index
*2,
359 gr
->num_vertices
- gr
->index
,
360 gr
->color
[0], gr
->color
[1], gr
->color
[2], 1,
361 xoffset
- gr
->index
*2 - 1, yoffset
, yscale
);
365 hud_pane_accumulate_vertices(struct hud_context
*hud
,
366 const struct hud_pane
*pane
)
368 struct hud_graph
*gr
;
369 float *line_verts
= hud
->whitelines
.vertices
+ hud
->whitelines
.num_vertices
*2;
372 const unsigned last_line
= pane
->last_line
;
374 /* draw background */
375 hud_draw_background_quad(hud
,
379 /* draw numbers on the right-hand side */
380 for (i
= 0; i
<= last_line
; i
++) {
381 unsigned x
= pane
->x2
+ 2;
382 unsigned y
= pane
->inner_y1
+
383 pane
->inner_height
* (last_line
- i
) / last_line
-
384 hud
->font
.glyph_height
/ 2;
386 number_to_human_readable(pane
->max_value
* i
/ last_line
, pane
->max_value
,
388 hud_draw_string(hud
, x
, y
, "%s", str
);
391 /* draw info below the pane */
393 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
394 unsigned x
= pane
->x1
+ 2;
395 unsigned y
= pane
->y2
+ 2 + i
*hud
->font
.glyph_height
;
397 number_to_human_readable(gr
->current_value
, pane
->max_value
,
399 hud_draw_string(hud
, x
, y
, " %s: %s", gr
->name
, str
);
404 assert(hud
->whitelines
.num_vertices
+ num
/2 + 8 <= hud
->whitelines
.max_num_vertices
);
405 line_verts
[num
++] = (float) pane
->x1
;
406 line_verts
[num
++] = (float) pane
->y1
;
407 line_verts
[num
++] = (float) pane
->x2
;
408 line_verts
[num
++] = (float) pane
->y1
;
410 line_verts
[num
++] = (float) pane
->x2
;
411 line_verts
[num
++] = (float) pane
->y1
;
412 line_verts
[num
++] = (float) pane
->x2
;
413 line_verts
[num
++] = (float) pane
->y2
;
415 line_verts
[num
++] = (float) pane
->x1
;
416 line_verts
[num
++] = (float) pane
->y2
;
417 line_verts
[num
++] = (float) pane
->x2
;
418 line_verts
[num
++] = (float) pane
->y2
;
420 line_verts
[num
++] = (float) pane
->x1
;
421 line_verts
[num
++] = (float) pane
->y1
;
422 line_verts
[num
++] = (float) pane
->x1
;
423 line_verts
[num
++] = (float) pane
->y2
;
425 /* draw horizontal lines inside the graph */
426 for (i
= 0; i
<= last_line
; i
++) {
427 float y
= round((pane
->max_value
* i
/ (double)last_line
) *
428 pane
->yscale
+ pane
->inner_y2
);
430 assert(hud
->whitelines
.num_vertices
+ num
/2 + 2 <= hud
->whitelines
.max_num_vertices
);
431 line_verts
[num
++] = pane
->x1
;
432 line_verts
[num
++] = y
;
433 line_verts
[num
++] = pane
->x2
;
434 line_verts
[num
++] = y
;
437 hud
->whitelines
.num_vertices
+= num
/2;
441 hud_pane_draw_colored_objects(struct hud_context
*hud
,
442 const struct hud_pane
*pane
)
444 struct hud_graph
*gr
;
447 /* draw colored quads below the pane */
449 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
450 unsigned x
= pane
->x1
+ 2;
451 unsigned y
= pane
->y2
+ 2 + i
*hud
->font
.glyph_height
;
453 hud_draw_colored_quad(hud
, PIPE_PRIM_QUADS
, x
+ 1, y
+ 1, x
+ 12, y
+ 13,
454 gr
->color
[0], gr
->color
[1], gr
->color
[2], 1);
458 /* draw the line strips */
459 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
460 hud_draw_graph_line_strip(hud
, gr
, pane
->inner_x1
, pane
->inner_y2
, pane
->yscale
);
465 hud_alloc_vertices(struct hud_context
*hud
, struct vertex_queue
*v
,
466 unsigned num_vertices
, unsigned stride
)
469 v
->max_num_vertices
= num_vertices
;
470 v
->vbuf
.stride
= stride
;
471 u_upload_alloc(hud
->uploader
, 0, v
->vbuf
.stride
* v
->max_num_vertices
,
472 16, &v
->vbuf
.buffer_offset
, &v
->vbuf
.buffer
,
473 (void**)&v
->vertices
);
477 * Draw the HUD to the texture \p tex.
478 * The texture is usually the back buffer being displayed.
481 hud_draw(struct hud_context
*hud
, struct pipe_resource
*tex
)
483 struct cso_context
*cso
= hud
->cso
;
484 struct pipe_context
*pipe
= hud
->pipe
;
485 struct pipe_framebuffer_state fb
;
486 struct pipe_surface surf_templ
, *surf
;
487 struct pipe_viewport_state viewport
;
488 const struct pipe_sampler_state
*sampler_states
[] =
489 { &hud
->font_sampler_state
};
490 struct hud_pane
*pane
;
491 struct hud_graph
*gr
;
496 hud
->fb_width
= tex
->width0
;
497 hud
->fb_height
= tex
->height0
;
498 hud
->constants
.two_div_fb_width
= 2.0f
/ hud
->fb_width
;
499 hud
->constants
.two_div_fb_height
= 2.0f
/ hud
->fb_height
;
501 cso_save_state(cso
, (CSO_BIT_FRAMEBUFFER
|
502 CSO_BIT_SAMPLE_MASK
|
503 CSO_BIT_MIN_SAMPLES
|
505 CSO_BIT_DEPTH_STENCIL_ALPHA
|
506 CSO_BIT_FRAGMENT_SHADER
|
507 CSO_BIT_FRAGMENT_SAMPLER_VIEWS
|
508 CSO_BIT_FRAGMENT_SAMPLERS
|
511 CSO_BIT_STREAM_OUTPUTS
|
512 CSO_BIT_GEOMETRY_SHADER
|
513 CSO_BIT_TESSCTRL_SHADER
|
514 CSO_BIT_TESSEVAL_SHADER
|
515 CSO_BIT_VERTEX_SHADER
|
516 CSO_BIT_VERTEX_ELEMENTS
|
517 CSO_BIT_AUX_VERTEX_BUFFER_SLOT
|
518 CSO_BIT_PAUSE_QUERIES
|
519 CSO_BIT_RENDER_CONDITION
));
520 cso_save_constant_buffer_slot0(cso
, PIPE_SHADER_VERTEX
);
523 memset(&surf_templ
, 0, sizeof(surf_templ
));
524 surf_templ
.format
= tex
->format
;
526 /* Without this, AA lines look thinner if they are between 2 pixels
527 * because the alpha is 0.5 on both pixels. (it's ugly)
529 * sRGB makes the width of all AA lines look the same.
532 enum pipe_format srgb_format
= util_format_srgb(tex
->format
);
534 if (srgb_format
!= PIPE_FORMAT_NONE
)
535 surf_templ
.format
= srgb_format
;
537 surf
= pipe
->create_surface(pipe
, tex
, &surf_templ
);
539 memset(&fb
, 0, sizeof(fb
));
543 fb
.width
= hud
->fb_width
;
544 fb
.height
= hud
->fb_height
;
546 viewport
.scale
[0] = 0.5f
* hud
->fb_width
;
547 viewport
.scale
[1] = 0.5f
* hud
->fb_height
;
548 viewport
.scale
[2] = 1.0f
;
549 viewport
.translate
[0] = 0.5f
* hud
->fb_width
;
550 viewport
.translate
[1] = 0.5f
* hud
->fb_height
;
551 viewport
.translate
[2] = 0.0f
;
553 cso_set_framebuffer(cso
, &fb
);
554 cso_set_sample_mask(cso
, ~0);
555 cso_set_min_samples(cso
, 1);
556 cso_set_depth_stencil_alpha(cso
, &hud
->dsa
);
557 cso_set_rasterizer(cso
, &hud
->rasterizer
);
558 cso_set_viewport(cso
, &viewport
);
559 cso_set_stream_outputs(cso
, 0, NULL
, NULL
);
560 cso_set_tessctrl_shader_handle(cso
, NULL
);
561 cso_set_tesseval_shader_handle(cso
, NULL
);
562 cso_set_geometry_shader_handle(cso
, NULL
);
563 cso_set_vertex_shader_handle(cso
, hud
->vs
);
564 cso_set_vertex_elements(cso
, 2, hud
->velems
);
565 cso_set_render_condition(cso
, NULL
, FALSE
, 0);
566 cso_set_sampler_views(cso
, PIPE_SHADER_FRAGMENT
, 1,
567 &hud
->font_sampler_view
);
568 cso_set_samplers(cso
, PIPE_SHADER_FRAGMENT
, 1, sampler_states
);
569 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
571 /* prepare vertex buffers */
572 hud_alloc_vertices(hud
, &hud
->bg
, 4 * 256, 2 * sizeof(float));
573 hud_alloc_vertices(hud
, &hud
->whitelines
, 4 * 256, 2 * sizeof(float));
574 hud_alloc_vertices(hud
, &hud
->text
, 4 * 1024, 4 * sizeof(float));
576 /* prepare all graphs */
577 hud_batch_query_update(hud
->batch_query
);
579 LIST_FOR_EACH_ENTRY(pane
, &hud
->pane_list
, head
) {
580 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
581 gr
->query_new_value(gr
);
584 hud_pane_accumulate_vertices(hud
, pane
);
587 /* unmap the uploader's vertex buffer before drawing */
588 u_upload_unmap(hud
->uploader
);
590 /* draw accumulated vertices for background quads */
591 cso_set_blend(cso
, &hud
->alpha_blend
);
592 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_color
);
594 if (hud
->bg
.num_vertices
) {
595 hud
->constants
.color
[0] = 0;
596 hud
->constants
.color
[1] = 0;
597 hud
->constants
.color
[2] = 0;
598 hud
->constants
.color
[3] = 0.666f
;
599 hud
->constants
.translate
[0] = 0;
600 hud
->constants
.translate
[1] = 0;
601 hud
->constants
.scale
[0] = 1;
602 hud
->constants
.scale
[1] = 1;
604 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
605 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
), 1,
607 cso_draw_arrays(cso
, PIPE_PRIM_QUADS
, 0, hud
->bg
.num_vertices
);
609 pipe_resource_reference(&hud
->bg
.vbuf
.buffer
, NULL
);
611 /* draw accumulated vertices for white lines */
612 cso_set_blend(cso
, &hud
->no_blend
);
614 hud
->constants
.color
[0] = 1;
615 hud
->constants
.color
[1] = 1;
616 hud
->constants
.color
[2] = 1;
617 hud
->constants
.color
[3] = 1;
618 hud
->constants
.translate
[0] = 0;
619 hud
->constants
.translate
[1] = 0;
620 hud
->constants
.scale
[0] = 1;
621 hud
->constants
.scale
[1] = 1;
622 cso_set_constant_buffer(cso
, PIPE_SHADER_VERTEX
, 0, &hud
->constbuf
);
624 if (hud
->whitelines
.num_vertices
) {
625 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
), 1,
626 &hud
->whitelines
.vbuf
);
627 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_color
);
628 cso_draw_arrays(cso
, PIPE_PRIM_LINES
, 0, hud
->whitelines
.num_vertices
);
630 pipe_resource_reference(&hud
->whitelines
.vbuf
.buffer
, NULL
);
632 /* draw accumulated vertices for text */
633 cso_set_blend(cso
, &hud
->alpha_blend
);
634 if (hud
->text
.num_vertices
) {
635 cso_set_vertex_buffers(cso
, cso_get_aux_vertex_buffer_slot(cso
), 1,
637 cso_set_fragment_shader_handle(hud
->cso
, hud
->fs_text
);
638 cso_draw_arrays(cso
, PIPE_PRIM_QUADS
, 0, hud
->text
.num_vertices
);
640 pipe_resource_reference(&hud
->text
.vbuf
.buffer
, NULL
);
643 cso_set_rasterizer(cso
, &hud
->rasterizer_aa_lines
);
644 LIST_FOR_EACH_ENTRY(pane
, &hud
->pane_list
, head
) {
646 hud_pane_draw_colored_objects(hud
, pane
);
649 cso_restore_state(cso
);
650 cso_restore_constant_buffer_slot0(cso
, PIPE_SHADER_VERTEX
);
652 pipe_surface_reference(&surf
, NULL
);
656 fixup_bytes(enum pipe_driver_query_type type
, int position
, uint64_t *exp10
)
658 if (type
== PIPE_DRIVER_QUERY_TYPE_BYTES
&& position
% 3 == 0)
659 *exp10
= (*exp10
/ 1000) * 1024;
663 * Set the maximum value for the Y axis of the graph.
664 * This scales the graph accordingly.
667 hud_pane_set_max_value(struct hud_pane
*pane
, uint64_t value
)
669 double leftmost_digit
;
673 /* The following code determines the max_value in the graph as well as
674 * how many describing lines are drawn. The max_value is rounded up,
675 * so that all drawn numbers are rounded for readability.
676 * We want to print multiples of a simple number instead of multiples of
677 * hard-to-read numbers like 1.753.
680 /* Find the left-most digit. */
682 for (i
= 0; value
> 9 * exp10
; i
++) {
684 fixup_bytes(pane
->type
, i
+ 1, &exp10
);
687 leftmost_digit
= DIV_ROUND_UP(value
, exp10
);
690 if (leftmost_digit
== 9) {
693 fixup_bytes(pane
->type
, i
+ 1, &exp10
);
696 switch ((unsigned)leftmost_digit
) {
698 pane
->last_line
= 5; /* lines in +1/5 increments */
701 pane
->last_line
= 8; /* lines in +1/4 increments. */
705 pane
->last_line
= leftmost_digit
* 2; /* lines in +1/2 increments */
711 pane
->last_line
= leftmost_digit
; /* lines in +1 increments */
717 /* Truncate {3,4} to {2.5, 3.5} if possible. */
718 for (i
= 3; i
<= 4; i
++) {
719 if (leftmost_digit
== i
&& value
<= (i
- 0.5) * exp10
) {
720 leftmost_digit
= i
- 0.5;
721 pane
->last_line
= leftmost_digit
* 2; /* lines in +1/2 increments. */
725 /* Truncate 2 to a multiple of 0.2 in (1, 1.6] if possible. */
726 if (leftmost_digit
== 2) {
727 for (i
= 1; i
<= 3; i
++) {
728 if (value
<= (1 + i
*0.2) * exp10
) {
729 leftmost_digit
= 1 + i
*0.2;
730 pane
->last_line
= 5 + i
; /* lines in +1/5 increments. */
736 pane
->max_value
= leftmost_digit
* exp10
;
737 pane
->yscale
= -(int)pane
->inner_height
/ (float)pane
->max_value
;
741 hud_pane_update_dyn_ceiling(struct hud_graph
*gr
, struct hud_pane
*pane
)
746 if (pane
->dyn_ceil_last_ran
!= gr
->index
) {
747 LIST_FOR_EACH_ENTRY(gr
, &pane
->graph_list
, head
) {
748 for (i
= 0; i
< gr
->num_vertices
; ++i
) {
749 tmp
= gr
->vertices
[i
* 2 + 1] > tmp
?
750 gr
->vertices
[i
* 2 + 1] : tmp
;
754 /* Avoid setting it lower than the initial starting height. */
755 tmp
= tmp
> pane
->initial_max_value
? tmp
: pane
->initial_max_value
;
756 hud_pane_set_max_value(pane
, tmp
);
760 * Mark this adjustment run so we could avoid repeating a full update
761 * again needlessly in case the pane has more than one graph.
763 pane
->dyn_ceil_last_ran
= gr
->index
;
766 static struct hud_pane
*
767 hud_pane_create(unsigned x1
, unsigned y1
, unsigned x2
, unsigned y2
,
768 unsigned period
, uint64_t max_value
, uint64_t ceiling
,
771 struct hud_pane
*pane
= CALLOC_STRUCT(hud_pane
);
780 pane
->inner_x1
= x1
+ 1;
781 pane
->inner_x2
= x2
- 1;
782 pane
->inner_y1
= y1
+ 1;
783 pane
->inner_y2
= y2
- 1;
784 pane
->inner_width
= pane
->inner_x2
- pane
->inner_x1
;
785 pane
->inner_height
= pane
->inner_y2
- pane
->inner_y1
;
786 pane
->period
= period
;
787 pane
->max_num_vertices
= (x2
- x1
+ 2) / 2;
788 pane
->ceiling
= ceiling
;
789 pane
->dyn_ceiling
= dyn_ceiling
;
790 pane
->dyn_ceil_last_ran
= 0;
791 pane
->initial_max_value
= max_value
;
792 hud_pane_set_max_value(pane
, max_value
);
793 LIST_INITHEAD(&pane
->graph_list
);
798 * Add a graph to an existing pane.
799 * One pane can contain multiple graphs over each other.
802 hud_pane_add_graph(struct hud_pane
*pane
, struct hud_graph
*gr
)
804 static const float colors
[][3] = {
813 char *name
= gr
->name
;
815 /* replace '-' with a space */
822 assert(pane
->num_graphs
< ARRAY_SIZE(colors
));
823 gr
->vertices
= MALLOC(pane
->max_num_vertices
* sizeof(float) * 2);
824 gr
->color
[0] = colors
[pane
->num_graphs
][0];
825 gr
->color
[1] = colors
[pane
->num_graphs
][1];
826 gr
->color
[2] = colors
[pane
->num_graphs
][2];
828 LIST_ADDTAIL(&gr
->head
, &pane
->graph_list
);
833 hud_graph_add_value(struct hud_graph
*gr
, uint64_t value
)
835 gr
->current_value
= value
;
836 value
= value
> gr
->pane
->ceiling
? gr
->pane
->ceiling
: value
;
838 if (gr
->index
== gr
->pane
->max_num_vertices
) {
840 gr
->vertices
[1] = gr
->vertices
[(gr
->index
-1)*2+1];
843 gr
->vertices
[(gr
->index
)*2+0] = (float) (gr
->index
* 2);
844 gr
->vertices
[(gr
->index
)*2+1] = (float) value
;
847 if (gr
->num_vertices
< gr
->pane
->max_num_vertices
) {
851 if (gr
->pane
->dyn_ceiling
== true) {
852 hud_pane_update_dyn_ceiling(gr
, gr
->pane
);
854 if (value
> gr
->pane
->max_value
) {
855 hud_pane_set_max_value(gr
->pane
, value
);
860 hud_graph_destroy(struct hud_graph
*graph
)
862 FREE(graph
->vertices
);
863 if (graph
->free_query_data
)
864 graph
->free_query_data(graph
->query_data
);
869 * Read a string from the environment variable.
870 * The separators "+", ",", ":", and ";" terminate the string.
871 * Return the number of read characters.
874 parse_string(const char *s
, char *out
)
878 for (i
= 0; *s
&& *s
!= '+' && *s
!= ',' && *s
!= ':' && *s
!= ';';
885 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c' (%i) while "
886 "parsing a string\n", *s
, *s
);
891 read_pane_settings(char *str
, unsigned * const x
, unsigned * const y
,
892 unsigned * const width
, unsigned * const height
,
893 uint64_t * const ceiling
, boolean
* const dyn_ceiling
)
898 while (*str
== '.') {
903 *x
= strtoul(str
, &ret
, 10);
909 *y
= strtoul(str
, &ret
, 10);
915 tmp
= strtoul(str
, &ret
, 10);
916 *width
= tmp
> 80 ? tmp
: 80; /* 80 is chosen arbitrarily */
921 * Prevent setting height to less than 50. If the height is set to less,
922 * the text of the Y axis labels on the graph will start overlapping.
926 tmp
= strtoul(str
, &ret
, 10);
927 *height
= tmp
> 50 ? tmp
: 50;
933 tmp
= strtoul(str
, &ret
, 10);
934 *ceiling
= tmp
> 10 ? tmp
: 10;
945 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c'\n", *str
);
954 has_occlusion_query(struct pipe_screen
*screen
)
956 return screen
->get_param(screen
, PIPE_CAP_OCCLUSION_QUERY
) != 0;
960 has_streamout(struct pipe_screen
*screen
)
962 return screen
->get_param(screen
, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS
) != 0;
966 has_pipeline_stats_query(struct pipe_screen
*screen
)
968 return screen
->get_param(screen
, PIPE_CAP_QUERY_PIPELINE_STATISTICS
) != 0;
972 hud_parse_env_var(struct hud_context
*hud
, const char *env
)
975 char name_a
[256], s
[256];
977 struct hud_pane
*pane
= NULL
;
978 unsigned x
= 10, y
= 10;
979 unsigned width
= 251, height
= 100;
980 unsigned period
= 500 * 1000; /* default period (1/2 second) */
981 uint64_t ceiling
= UINT64_MAX
;
982 unsigned column_width
= 251;
983 boolean dyn_ceiling
= false;
984 const char *period_env
;
987 * The GALLIUM_HUD_PERIOD env var sets the graph update rate.
988 * The env var is in seconds (a float).
989 * Zero means update after every frame.
991 period_env
= getenv("GALLIUM_HUD_PERIOD");
993 float p
= (float) atof(period_env
);
995 period
= (unsigned) (p
* 1000 * 1000);
999 while ((num
= parse_string(env
, name_a
)) != 0) {
1002 /* check for explicit location, size and etc. settings */
1003 name
= read_pane_settings(name_a
, &x
, &y
, &width
, &height
, &ceiling
,
1007 * Keep track of overall column width to avoid pane overlapping in case
1008 * later we create a new column while the bottom pane in the current
1009 * column is less wide than the rest of the panes in it.
1011 column_width
= width
> column_width
? width
: column_width
;
1014 pane
= hud_pane_create(x
, y
, x
+ width
, y
+ height
, period
, 10,
1015 ceiling
, dyn_ceiling
);
1021 #if HAVE_GALLIUM_EXTRA_HUD || HAVE_LIBSENSORS
1024 /* IF YOU CHANGE THIS, UPDATE print_help! */
1025 if (strcmp(name
, "fps") == 0) {
1026 hud_fps_graph_install(pane
);
1028 else if (strcmp(name
, "cpu") == 0) {
1029 hud_cpu_graph_install(pane
, ALL_CPUS
);
1031 else if (sscanf(name
, "cpu%u%s", &i
, s
) == 1) {
1032 hud_cpu_graph_install(pane
, i
);
1034 #if HAVE_GALLIUM_EXTRA_HUD
1035 else if (sscanf(name
, "nic-rx-%s", arg_name
) == 1) {
1036 hud_nic_graph_install(pane
, arg_name
, NIC_DIRECTION_RX
);
1038 else if (sscanf(name
, "nic-tx-%s", arg_name
) == 1) {
1039 hud_nic_graph_install(pane
, arg_name
, NIC_DIRECTION_TX
);
1041 else if (sscanf(name
, "nic-rssi-%s", arg_name
) == 1) {
1042 hud_nic_graph_install(pane
, arg_name
, NIC_RSSI_DBM
);
1043 pane
->type
= PIPE_DRIVER_QUERY_TYPE_DBM
;
1045 else if (sscanf(name
, "diskstat-rd-%s", arg_name
) == 1) {
1046 hud_diskstat_graph_install(pane
, arg_name
, DISKSTAT_RD
);
1047 pane
->type
= PIPE_DRIVER_QUERY_TYPE_BYTES
;
1049 else if (sscanf(name
, "diskstat-wr-%s", arg_name
) == 1) {
1050 hud_diskstat_graph_install(pane
, arg_name
, DISKSTAT_WR
);
1051 pane
->type
= PIPE_DRIVER_QUERY_TYPE_BYTES
;
1055 else if (sscanf(name
, "sensors_temp_cu-%s", arg_name
) == 1) {
1056 hud_sensors_temp_graph_install(pane
, arg_name
,
1057 SENSORS_TEMP_CURRENT
);
1058 pane
->type
= PIPE_DRIVER_QUERY_TYPE_TEMPERATURE
;
1060 else if (sscanf(name
, "sensors_temp_cr-%s", arg_name
) == 1) {
1061 hud_sensors_temp_graph_install(pane
, arg_name
,
1062 SENSORS_TEMP_CRITICAL
);
1063 pane
->type
= PIPE_DRIVER_QUERY_TYPE_TEMPERATURE
;
1065 else if (sscanf(name
, "sensors_volt_cu-%s", arg_name
) == 1) {
1066 hud_sensors_temp_graph_install(pane
, arg_name
,
1067 SENSORS_VOLTAGE_CURRENT
);
1068 pane
->type
= PIPE_DRIVER_QUERY_TYPE_VOLTS
;
1070 else if (sscanf(name
, "sensors_curr_cu-%s", arg_name
) == 1) {
1071 hud_sensors_temp_graph_install(pane
, arg_name
,
1072 SENSORS_CURRENT_CURRENT
);
1073 pane
->type
= PIPE_DRIVER_QUERY_TYPE_AMPS
;
1075 else if (sscanf(name
, "sensors_pow_cu-%s", arg_name
) == 1) {
1076 hud_sensors_temp_graph_install(pane
, arg_name
,
1077 SENSORS_POWER_CURRENT
);
1078 pane
->type
= PIPE_DRIVER_QUERY_TYPE_WATTS
;
1081 else if (strcmp(name
, "samples-passed") == 0 &&
1082 has_occlusion_query(hud
->pipe
->screen
)) {
1083 hud_pipe_query_install(&hud
->batch_query
, pane
, hud
->pipe
,
1085 PIPE_QUERY_OCCLUSION_COUNTER
, 0, 0,
1086 PIPE_DRIVER_QUERY_TYPE_UINT64
,
1087 PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE
,
1090 else if (strcmp(name
, "primitives-generated") == 0 &&
1091 has_streamout(hud
->pipe
->screen
)) {
1092 hud_pipe_query_install(&hud
->batch_query
, pane
, hud
->pipe
,
1093 "primitives-generated",
1094 PIPE_QUERY_PRIMITIVES_GENERATED
, 0, 0,
1095 PIPE_DRIVER_QUERY_TYPE_UINT64
,
1096 PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE
,
1100 boolean processed
= FALSE
;
1102 /* pipeline statistics queries */
1103 if (has_pipeline_stats_query(hud
->pipe
->screen
)) {
1104 static const char *pipeline_statistics_names
[] =
1111 "clipper-invocations",
1112 "clipper-primitives-generated",
1118 for (i
= 0; i
< ARRAY_SIZE(pipeline_statistics_names
); ++i
)
1119 if (strcmp(name
, pipeline_statistics_names
[i
]) == 0)
1121 if (i
< ARRAY_SIZE(pipeline_statistics_names
)) {
1122 hud_pipe_query_install(&hud
->batch_query
, pane
, hud
->pipe
, name
,
1123 PIPE_QUERY_PIPELINE_STATISTICS
, i
,
1124 0, PIPE_DRIVER_QUERY_TYPE_UINT64
,
1125 PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE
,
1131 /* driver queries */
1133 if (!hud_driver_query_install(&hud
->batch_query
, pane
, hud
->pipe
,
1135 fprintf(stderr
, "gallium_hud: unknown driver query '%s'\n", name
);
1144 fprintf(stderr
, "gallium_hud: syntax error: unexpected ':', "
1145 "expected a name\n");
1149 num
= parse_string(env
, s
);
1152 if (num
&& sscanf(s
, "%u", &i
) == 1) {
1153 hud_pane_set_max_value(pane
, i
);
1154 pane
->initial_max_value
= i
;
1157 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c' (%i) "
1158 "after ':'\n", *env
, *env
);
1165 /* parse a separator */
1176 y
+= height
+ hud
->font
.glyph_height
* (pane
->num_graphs
+ 2);
1179 if (pane
&& pane
->num_graphs
) {
1180 LIST_ADDTAIL(&pane
->head
, &hud
->pane_list
);
1188 x
+= column_width
+ hud
->font
.glyph_width
* 9;
1191 if (pane
&& pane
->num_graphs
) {
1192 LIST_ADDTAIL(&pane
->head
, &hud
->pane_list
);
1196 /* Starting a new column; reset column width. */
1201 fprintf(stderr
, "gallium_hud: syntax error: unexpected '%c'\n", *env
);
1204 /* Reset to defaults for the next pane in case these were modified. */
1206 ceiling
= UINT64_MAX
;
1207 dyn_ceiling
= false;
1212 if (pane
->num_graphs
) {
1213 LIST_ADDTAIL(&pane
->head
, &hud
->pane_list
);
1222 print_help(struct pipe_screen
*screen
)
1224 int i
, num_queries
, num_cpus
= hud_get_num_cpus();
1226 puts("Syntax: GALLIUM_HUD=name1[+name2][...][:value1][,nameI...][;nameJ...]");
1228 puts(" Names are identifiers of data sources which will be drawn as graphs");
1229 puts(" in panes. Multiple graphs can be drawn in the same pane.");
1230 puts(" There can be multiple panes placed in rows and columns.");
1232 puts(" '+' separates names which will share a pane.");
1233 puts(" ':[value]' specifies the initial maximum value of the Y axis");
1234 puts(" for the given pane.");
1235 puts(" ',' creates a new pane below the last one.");
1236 puts(" ';' creates a new pane at the top of the next column.");
1238 puts(" Example: GALLIUM_HUD=\"cpu,fps;primitives-generated\"");
1240 puts(" Additionally, by prepending '.[identifier][value]' modifiers to");
1241 puts(" a name, it is possible to explicitly set the location and size");
1242 puts(" of a pane, along with limiting overall maximum value of the");
1243 puts(" Y axis and activating dynamic readjustment of the Y axis.");
1244 puts(" Several modifiers may be applied to the same pane simultaneously.");
1246 puts(" 'x[value]' sets the location of the pane on the x axis relative");
1247 puts(" to the upper-left corner of the viewport, in pixels.");
1248 puts(" 'y[value]' sets the location of the pane on the y axis relative");
1249 puts(" to the upper-left corner of the viewport, in pixels.");
1250 puts(" 'w[value]' sets width of the graph pixels.");
1251 puts(" 'h[value]' sets height of the graph in pixels.");
1252 puts(" 'c[value]' sets the ceiling of the value of the Y axis.");
1253 puts(" If the graph needs to draw values higher than");
1254 puts(" the ceiling allows, the value is clamped.");
1255 puts(" 'd' activates dynamic Y axis readjustment to set the value of");
1256 puts(" the Y axis to match the highest value still visible in the graph.");
1258 puts(" If 'c' and 'd' modifiers are used simultaneously, both are in effect:");
1259 puts(" the Y axis does not go above the restriction imposed by 'c' while");
1260 puts(" still adjusting the value of the Y axis down when appropriate.");
1262 puts(" Example: GALLIUM_HUD=\".w256.h64.x1600.y520.d.c1000fps+cpu,.datom-count\"");
1264 puts(" Available names:");
1268 for (i
= 0; i
< num_cpus
; i
++)
1269 printf(" cpu%i\n", i
);
1271 if (has_occlusion_query(screen
))
1272 puts(" samples-passed");
1273 if (has_streamout(screen
))
1274 puts(" primitives-generated");
1276 if (has_pipeline_stats_query(screen
)) {
1277 puts(" ia-vertices");
1278 puts(" ia-primitives");
1279 puts(" vs-invocations");
1280 puts(" gs-invocations");
1281 puts(" gs-primitives");
1282 puts(" clipper-invocations");
1283 puts(" clipper-primitives-generated");
1284 puts(" ps-invocations");
1285 puts(" hs-invocations");
1286 puts(" ds-invocations");
1287 puts(" cs-invocations");
1290 #if HAVE_GALLIUM_EXTRA_HUD
1291 hud_get_num_disks(1);
1292 hud_get_num_nics(1);
1295 hud_get_num_sensors(1);
1298 if (screen
->get_driver_query_info
){
1299 boolean skipping
= false;
1300 struct pipe_driver_query_info info
;
1301 num_queries
= screen
->get_driver_query_info(screen
, 0, NULL
);
1303 for (i
= 0; i
< num_queries
; i
++){
1304 screen
->get_driver_query_info(screen
, i
, &info
);
1305 if (info
.flags
& PIPE_DRIVER_QUERY_FLAG_DONT_LIST
) {
1310 printf(" %s\n", info
.name
);
1320 struct hud_context
*
1321 hud_create(struct pipe_context
*pipe
, struct cso_context
*cso
)
1323 struct pipe_screen
*screen
= pipe
->screen
;
1324 struct hud_context
*hud
;
1325 struct pipe_sampler_view view_templ
;
1327 const char *env
= debug_get_option("GALLIUM_HUD", NULL
);
1329 unsigned signo
= debug_get_num_option("GALLIUM_HUD_TOGGLE_SIGNAL", 0);
1330 static boolean sig_handled
= FALSE
;
1331 struct sigaction action
= {};
1333 huds_visible
= debug_get_bool_option("GALLIUM_HUD_VISIBLE", TRUE
);
1338 if (strcmp(env
, "help") == 0) {
1339 print_help(pipe
->screen
);
1343 hud
= CALLOC_STRUCT(hud_context
);
1349 hud
->uploader
= u_upload_create(pipe
, 256 * 1024,
1350 PIPE_BIND_VERTEX_BUFFER
, PIPE_USAGE_STREAM
);
1353 if (!util_font_create(pipe
, UTIL_FONT_FIXED_8X13
, &hud
->font
)) {
1354 u_upload_destroy(hud
->uploader
);
1359 hud
->has_srgb
= screen
->is_format_supported(screen
,
1360 PIPE_FORMAT_B8G8R8A8_SRGB
,
1362 PIPE_BIND_RENDER_TARGET
) != 0;
1365 hud
->no_blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
1367 hud
->alpha_blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
1368 hud
->alpha_blend
.rt
[0].blend_enable
= 1;
1369 hud
->alpha_blend
.rt
[0].rgb_func
= PIPE_BLEND_ADD
;
1370 hud
->alpha_blend
.rt
[0].rgb_src_factor
= PIPE_BLENDFACTOR_SRC_ALPHA
;
1371 hud
->alpha_blend
.rt
[0].rgb_dst_factor
= PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
1372 hud
->alpha_blend
.rt
[0].alpha_func
= PIPE_BLEND_ADD
;
1373 hud
->alpha_blend
.rt
[0].alpha_src_factor
= PIPE_BLENDFACTOR_ZERO
;
1374 hud
->alpha_blend
.rt
[0].alpha_dst_factor
= PIPE_BLENDFACTOR_ONE
;
1376 /* fragment shader */
1378 util_make_fragment_passthrough_shader(pipe
,
1379 TGSI_SEMANTIC_COLOR
,
1380 TGSI_INTERPOLATE_CONSTANT
,
1384 /* Read a texture and do .xxxx swizzling. */
1385 static const char *fragment_shader_text
= {
1387 "DCL IN[0], GENERIC[0], LINEAR\n"
1389 "DCL SVIEW[0], RECT, FLOAT\n"
1390 "DCL OUT[0], COLOR[0]\n"
1393 "TEX TEMP[0], IN[0], SAMP[0], RECT\n"
1394 "MOV OUT[0], TEMP[0].xxxx\n"
1398 struct tgsi_token tokens
[1000];
1399 struct pipe_shader_state state
;
1401 if (!tgsi_text_translate(fragment_shader_text
, tokens
, ARRAY_SIZE(tokens
))) {
1403 pipe_resource_reference(&hud
->font
.texture
, NULL
);
1404 u_upload_destroy(hud
->uploader
);
1408 pipe_shader_state_from_tgsi(&state
, tokens
);
1409 hud
->fs_text
= pipe
->create_fs_state(pipe
, &state
);
1413 hud
->rasterizer
.half_pixel_center
= 1;
1414 hud
->rasterizer
.bottom_edge_rule
= 1;
1415 hud
->rasterizer
.depth_clip
= 1;
1416 hud
->rasterizer
.line_width
= 1;
1417 hud
->rasterizer
.line_last_pixel
= 1;
1419 hud
->rasterizer_aa_lines
= hud
->rasterizer
;
1420 hud
->rasterizer_aa_lines
.line_smooth
= 1;
1424 static const char *vertex_shader_text
= {
1427 "DCL OUT[0], POSITION\n"
1428 "DCL OUT[1], COLOR[0]\n" /* color */
1429 "DCL OUT[2], GENERIC[0]\n" /* texcoord */
1431 * [1] = (2/fb_width, 2/fb_height, xoffset, yoffset)
1432 * [2] = (xscale, yscale, 0, 0) */
1435 "IMM[0] FLT32 { -1, 0, 0, 1 }\n"
1437 /* v = in * (xscale, yscale) + (xoffset, yoffset) */
1438 "MAD TEMP[0].xy, IN[0], CONST[2].xyyy, CONST[1].zwww\n"
1439 /* pos = v * (2 / fb_width, 2 / fb_height) - (1, 1) */
1440 "MAD OUT[0].xy, TEMP[0], CONST[1].xyyy, IMM[0].xxxx\n"
1441 "MOV OUT[0].zw, IMM[0]\n"
1443 "MOV OUT[1], CONST[0]\n"
1444 "MOV OUT[2], IN[1]\n"
1448 struct tgsi_token tokens
[1000];
1449 struct pipe_shader_state state
;
1450 if (!tgsi_text_translate(vertex_shader_text
, tokens
, ARRAY_SIZE(tokens
))) {
1452 pipe_resource_reference(&hud
->font
.texture
, NULL
);
1453 u_upload_destroy(hud
->uploader
);
1457 pipe_shader_state_from_tgsi(&state
, tokens
);
1458 hud
->vs
= pipe
->create_vs_state(pipe
, &state
);
1461 /* vertex elements */
1462 for (i
= 0; i
< 2; i
++) {
1463 hud
->velems
[i
].src_offset
= i
* 2 * sizeof(float);
1464 hud
->velems
[i
].src_format
= PIPE_FORMAT_R32G32_FLOAT
;
1465 hud
->velems
[i
].vertex_buffer_index
= cso_get_aux_vertex_buffer_slot(cso
);
1469 u_sampler_view_default_template(
1470 &view_templ
, hud
->font
.texture
, hud
->font
.texture
->format
);
1471 hud
->font_sampler_view
= pipe
->create_sampler_view(pipe
, hud
->font
.texture
,
1474 /* sampler state (for font drawing) */
1475 hud
->font_sampler_state
.wrap_s
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1476 hud
->font_sampler_state
.wrap_t
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1477 hud
->font_sampler_state
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
1478 hud
->font_sampler_state
.normalized_coords
= 0;
1481 hud
->constbuf
.buffer_size
= sizeof(hud
->constants
);
1482 hud
->constbuf
.user_buffer
= &hud
->constants
;
1484 LIST_INITHEAD(&hud
->pane_list
);
1486 /* setup sig handler once for all hud contexts */
1488 if (!sig_handled
&& signo
!= 0) {
1489 action
.sa_sigaction
= &signal_visible_handler
;
1490 action
.sa_flags
= SA_SIGINFO
;
1493 fprintf(stderr
, "gallium_hud: invalid signal %u\n", signo
);
1494 else if (sigaction(signo
, &action
, NULL
) < 0)
1495 fprintf(stderr
, "gallium_hud: unable to set handler for signal %u\n", signo
);
1502 hud_parse_env_var(hud
, env
);
1507 hud_destroy(struct hud_context
*hud
)
1509 struct pipe_context
*pipe
= hud
->pipe
;
1510 struct hud_pane
*pane
, *pane_tmp
;
1511 struct hud_graph
*graph
, *graph_tmp
;
1513 LIST_FOR_EACH_ENTRY_SAFE(pane
, pane_tmp
, &hud
->pane_list
, head
) {
1514 LIST_FOR_EACH_ENTRY_SAFE(graph
, graph_tmp
, &pane
->graph_list
, head
) {
1515 LIST_DEL(&graph
->head
);
1516 hud_graph_destroy(graph
);
1518 LIST_DEL(&pane
->head
);
1522 hud_batch_query_cleanup(&hud
->batch_query
);
1523 pipe
->delete_fs_state(pipe
, hud
->fs_color
);
1524 pipe
->delete_fs_state(pipe
, hud
->fs_text
);
1525 pipe
->delete_vs_state(pipe
, hud
->vs
);
1526 pipe_sampler_view_reference(&hud
->font_sampler_view
, NULL
);
1527 pipe_resource_reference(&hud
->font
.texture
, NULL
);
1528 u_upload_destroy(hud
->uploader
);