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android / platform / external / mesa3d / 1fe7c8d3c9f7ace602627d9574117d5b447accd3 / . / src / gallium / auxiliary / hud / hud_context.c
blob: fd9a7bc2fcbd40c75894612b78521c2e60a3842e [file] [log] [blame]
/**************************************************************************
*
* Copyright 2013 Marek Olšák <maraeo@gmail.com>
* All Rights Reserved.
*
* 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 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 AUTHORS AND/OR ITS 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.
*
**************************************************************************/
/* This head-up display module can draw transparent graphs on top of what
* the app is rendering, visualizing various data like framerate, cpu load,
* performance counters, etc. It can be hook up into any state tracker.
*
* The HUD is controlled with the GALLIUM_HUD environment variable.
* Set GALLIUM_HUD=help for more info.
*/
#include <inttypes.h>
#include <signal.h>
#include <stdio.h>
#include "hud/hud_context.h"
#include "hud/hud_private.h"
#include "hud/font.h"
#include "cso_cache/cso_context.h"
#include "util/u_draw_quad.h"
#include "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_sampler.h"
#include "util/u_simple_shaders.h"
#include "util/u_string.h"
#include "util/u_upload_mgr.h"
#include "tgsi/tgsi_text.h"
#include "tgsi/tgsi_dump.h"
/* Control the visibility of all HUD contexts */
static boolean huds_visible = TRUE;
struct hud_context {
struct pipe_context *pipe;
struct cso_context *cso;
struct u_upload_mgr *uploader;
struct hud_batch_query_context *batch_query;
struct list_head pane_list;
/* states */
struct pipe_blend_state no_blend, alpha_blend;
struct pipe_depth_stencil_alpha_state dsa;
void *fs_color, *fs_text;
struct pipe_rasterizer_state rasterizer, rasterizer_aa_lines;
void *vs;
struct pipe_vertex_element velems[2];
/* font */
struct util_font font;
struct pipe_sampler_view *font_sampler_view;
struct pipe_sampler_state font_sampler_state;
/* VS constant buffer */
struct {
float color[4];
float two_div_fb_width;
float two_div_fb_height;
float translate[2];
float scale[2];
float padding[2];
} constants;
struct pipe_constant_buffer constbuf;
unsigned fb_width, fb_height;
/* vertices for text and background drawing are accumulated here and then
* drawn all at once */
struct vertex_queue {
float *vertices;
struct pipe_vertex_buffer vbuf;
unsigned max_num_vertices;
unsigned num_vertices;
} text, bg, whitelines;
bool has_srgb;
};
#ifdef PIPE_OS_UNIX
static void
signal_visible_handler(int sig, siginfo_t *siginfo, void *context)
{
huds_visible = !huds_visible;
}
#endif
static void
hud_draw_colored_prims(struct hud_context *hud, unsigned prim,
float *buffer, unsigned num_vertices,
float r, float g, float b, float a,
int xoffset, int yoffset, float yscale)
{
struct cso_context *cso = hud->cso;
struct pipe_vertex_buffer vbuffer = {0};
hud->constants.color[0] = r;
hud->constants.color[1] = g;
hud->constants.color[2] = b;
hud->constants.color[3] = a;
hud->constants.translate[0] = (float) xoffset;
hud->constants.translate[1] = (float) yoffset;
hud->constants.scale[0] = 1;
hud->constants.scale[1] = yscale;
cso_set_constant_buffer(cso, PIPE_SHADER_VERTEX, 0, &hud->constbuf);
vbuffer.user_buffer = buffer;
vbuffer.stride = 2 * sizeof(float);
cso_set_vertex_buffers(cso, cso_get_aux_vertex_buffer_slot(cso),
1, &vbuffer);
cso_set_fragment_shader_handle(hud->cso, hud->fs_color);
cso_draw_arrays(cso, prim, 0, num_vertices);
}
static void
hud_draw_colored_quad(struct hud_context *hud, unsigned prim,
unsigned x1, unsigned y1, unsigned x2, unsigned y2,
float r, float g, float b, float a)
{
float buffer[] = {
(float) x1, (float) y1,
(float) x1, (float) y2,
(float) x2, (float) y2,
(float) x2, (float) y1,
};
hud_draw_colored_prims(hud, prim, buffer, 4, r, g, b, a, 0, 0, 1);
}
static void
hud_draw_background_quad(struct hud_context *hud,
unsigned x1, unsigned y1, unsigned x2, unsigned y2)
{
float *vertices = hud->bg.vertices + hud->bg.num_vertices*2;
unsigned num = 0;
assert(hud->bg.num_vertices + 4 <= hud->bg.max_num_vertices);
vertices[num++] = (float) x1;
vertices[num++] = (float) y1;
vertices[num++] = (float) x1;
vertices[num++] = (float) y2;
vertices[num++] = (float) x2;
vertices[num++] = (float) y2;
vertices[num++] = (float) x2;
vertices[num++] = (float) y1;
hud->bg.num_vertices += num/2;
}
static void
hud_draw_string(struct hud_context *hud, unsigned x, unsigned y,
const char *str, ...)
{
char buf[256];
char *s = buf;
float *vertices = hud->text.vertices + hud->text.num_vertices*4;
unsigned num = 0;
va_list ap;
va_start(ap, str);
util_vsnprintf(buf, sizeof(buf), str, ap);
va_end(ap);
if (!*s)
return;
hud_draw_background_quad(hud,
x, y,
x + strlen(buf)*hud->font.glyph_width,
y + hud->font.glyph_height);
while (*s) {
unsigned x1 = x;
unsigned y1 = y;
unsigned x2 = x + hud->font.glyph_width;
unsigned y2 = y + hud->font.glyph_height;
unsigned tx1 = (*s % 16) * hud->font.glyph_width;
unsigned ty1 = (*s / 16) * hud->font.glyph_height;
unsigned tx2 = tx1 + hud->font.glyph_width;
unsigned ty2 = ty1 + hud->font.glyph_height;
if (*s == ' ') {
x += hud->font.glyph_width;
s++;
continue;
}
assert(hud->text.num_vertices + num/4 + 4 <= hud->text.max_num_vertices);
vertices[num++] = (float) x1;
vertices[num++] = (float) y1;
vertices[num++] = (float) tx1;
vertices[num++] = (float) ty1;
vertices[num++] = (float) x1;
vertices[num++] = (float) y2;
vertices[num++] = (float) tx1;
vertices[num++] = (float) ty2;
vertices[num++] = (float) x2;
vertices[num++] = (float) y2;
vertices[num++] = (float) tx2;
vertices[num++] = (float) ty2;
vertices[num++] = (float) x2;
vertices[num++] = (float) y1;
vertices[num++] = (float) tx2;
vertices[num++] = (float) ty1;
x += hud->font.glyph_width;
s++;
}
hud->text.num_vertices += num/4;
}
static void
number_to_human_readable(uint64_t num, enum pipe_driver_query_type type,
char *out)
{
static const char *byte_units[] =
{" B", " KB", " MB", " GB", " TB", " PB", " EB"};
static const char *metric_units[] =
{"", " k", " M", " G", " T", " P", " E"};
static const char *time_units[] =
{" us", " ms", " s"}; /* based on microseconds */
static const char *hz_units[] =
{" Hz", " KHz", " MHz", " GHz"};
static const char *percent_units[] = {"%"};
static const char *dbm_units[] = {" (-dBm)"};
static const char *temperature_units[] = {" C"};
static const char *volt_units[] = {" mV", " V"};
static const char *amp_units[] = {" mA", " A"};
static const char *watt_units[] = {" mW", " W"};
const char **units;
unsigned max_unit;
double divisor = (type == PIPE_DRIVER_QUERY_TYPE_BYTES) ? 1024 : 1000;
unsigned unit = 0;
double d = num;
switch (type) {
case PIPE_DRIVER_QUERY_TYPE_MICROSECONDS:
max_unit = ARRAY_SIZE(time_units)-1;
units = time_units;
break;
case PIPE_DRIVER_QUERY_TYPE_VOLTS:
max_unit = ARRAY_SIZE(volt_units)-1;
units = volt_units;
break;
case PIPE_DRIVER_QUERY_TYPE_AMPS:
max_unit = ARRAY_SIZE(amp_units)-1;
units = amp_units;
break;
case PIPE_DRIVER_QUERY_TYPE_DBM:
max_unit = ARRAY_SIZE(dbm_units)-1;
units = dbm_units;
break;
case PIPE_DRIVER_QUERY_TYPE_TEMPERATURE:
max_unit = ARRAY_SIZE(temperature_units)-1;
units = temperature_units;
break;
case PIPE_DRIVER_QUERY_TYPE_PERCENTAGE:
max_unit = ARRAY_SIZE(percent_units)-1;
units = percent_units;
break;
case PIPE_DRIVER_QUERY_TYPE_BYTES:
max_unit = ARRAY_SIZE(byte_units)-1;
units = byte_units;
break;
case PIPE_DRIVER_QUERY_TYPE_HZ:
max_unit = ARRAY_SIZE(hz_units)-1;
units = hz_units;
break;
case PIPE_DRIVER_QUERY_TYPE_WATTS:
max_unit = ARRAY_SIZE(watt_units)-1;
units = watt_units;
break;
default:
max_unit = ARRAY_SIZE(metric_units)-1;
units = metric_units;
}
while (d > divisor && unit < max_unit) {
d /= divisor;
unit++;
}
/* Round to 3 decimal places so as not to print trailing zeros. */
if (d*1000 != (int)(d*1000))
d = round(d * 1000) / 1000;
/* Show at least 4 digits with at most 3 decimal places, but not zeros. */
if (d >= 1000 || d == (int)d)
sprintf(out, "%.0f%s", d, units[unit]);
else if (d >= 100 || d*10 == (int)(d*10))
sprintf(out, "%.1f%s", d, units[unit]);
else if (d >= 10 || d*100 == (int)(d*100))
sprintf(out, "%.2f%s", d, units[unit]);
else
sprintf(out, "%.3f%s", d, units[unit]);
}
static void
hud_draw_graph_line_strip(struct hud_context *hud, const struct hud_graph *gr,
unsigned xoffset, unsigned yoffset, float yscale)
{
if (gr->num_vertices <= 1)
return;
assert(gr->index <= gr->num_vertices);
hud_draw_colored_prims(hud, PIPE_PRIM_LINE_STRIP,
gr->vertices, gr->index,
gr->color[0], gr->color[1], gr->color[2], 1,
xoffset + (gr->pane->max_num_vertices - gr->index - 1) * 2 - 1,
yoffset, yscale);
if (gr->num_vertices <= gr->index)
return;
hud_draw_colored_prims(hud, PIPE_PRIM_LINE_STRIP,
gr->vertices + gr->index*2,
gr->num_vertices - gr->index,
gr->color[0], gr->color[1], gr->color[2], 1,
xoffset - gr->index*2 - 1, yoffset, yscale);
}
static void
hud_pane_accumulate_vertices(struct hud_context *hud,
const struct hud_pane *pane)
{
struct hud_graph *gr;
float *line_verts = hud->whitelines.vertices + hud->whitelines.num_vertices*2;
unsigned i, num = 0;
char str[32];
const unsigned last_line = pane->last_line;
/* draw background */
hud_draw_background_quad(hud,
pane->x1, pane->y1,
pane->x2, pane->y2);
/* draw numbers on the right-hand side */
for (i = 0; i <= last_line; i++) {
unsigned x = pane->x2 + 2;
unsigned y = pane->inner_y1 +
pane->inner_height * (last_line - i) / last_line -
hud->font.glyph_height / 2;
number_to_human_readable(pane->max_value * i / last_line,
pane->type, str);
hud_draw_string(hud, x, y, "%s", str);
}
/* draw info below the pane */
i = 0;
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
unsigned x = pane->x1 + 2;
unsigned y = pane->y2 + 2 + i*hud->font.glyph_height;
number_to_human_readable(gr->current_value, pane->type, str);
hud_draw_string(hud, x, y, " %s: %s", gr->name, str);
i++;
}
/* draw border */
assert(hud->whitelines.num_vertices + num/2 + 8 <= hud->whitelines.max_num_vertices);
line_verts[num++] = (float) pane->x1;
line_verts[num++] = (float) pane->y1;
line_verts[num++] = (float) pane->x2;
line_verts[num++] = (float) pane->y1;
line_verts[num++] = (float) pane->x2;
line_verts[num++] = (float) pane->y1;
line_verts[num++] = (float) pane->x2;
line_verts[num++] = (float) pane->y2;
line_verts[num++] = (float) pane->x1;
line_verts[num++] = (float) pane->y2;
line_verts[num++] = (float) pane->x2;
line_verts[num++] = (float) pane->y2;
line_verts[num++] = (float) pane->x1;
line_verts[num++] = (float) pane->y1;
line_verts[num++] = (float) pane->x1;
line_verts[num++] = (float) pane->y2;
/* draw horizontal lines inside the graph */
for (i = 0; i <= last_line; i++) {
float y = round((pane->max_value * i / (double)last_line) *
pane->yscale + pane->inner_y2);
assert(hud->whitelines.num_vertices + num/2 + 2 <= hud->whitelines.max_num_vertices);
line_verts[num++] = pane->x1;
line_verts[num++] = y;
line_verts[num++] = pane->x2;
line_verts[num++] = y;
}
hud->whitelines.num_vertices += num/2;
}
static void
hud_pane_draw_colored_objects(struct hud_context *hud,
const struct hud_pane *pane)
{
struct hud_graph *gr;
unsigned i;
/* draw colored quads below the pane */
i = 0;
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
unsigned x = pane->x1 + 2;
unsigned y = pane->y2 + 2 + i*hud->font.glyph_height;
hud_draw_colored_quad(hud, PIPE_PRIM_QUADS, x + 1, y + 1, x + 12, y + 13,
gr->color[0], gr->color[1], gr->color[2], 1);
i++;
}
/* draw the line strips */
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
hud_draw_graph_line_strip(hud, gr, pane->inner_x1, pane->inner_y2, pane->yscale);
}
}
static void
hud_alloc_vertices(struct hud_context *hud, struct vertex_queue *v,
unsigned num_vertices, unsigned stride)
{
v->num_vertices = 0;
v->max_num_vertices = num_vertices;
v->vbuf.stride = stride;
u_upload_alloc(hud->uploader, 0, v->vbuf.stride * v->max_num_vertices,
16, &v->vbuf.buffer_offset, &v->vbuf.buffer,
(void**)&v->vertices);
}
/**
* Draw the HUD to the texture \p tex.
* The texture is usually the back buffer being displayed.
*/
void
hud_draw(struct hud_context *hud, struct pipe_resource *tex)
{
struct cso_context *cso = hud->cso;
struct pipe_context *pipe = hud->pipe;
struct pipe_framebuffer_state fb;
struct pipe_surface surf_templ, *surf;
struct pipe_viewport_state viewport;
const struct pipe_sampler_state *sampler_states[] =
{ &hud->font_sampler_state };
struct hud_pane *pane;
struct hud_graph *gr, *next;
if (!huds_visible)
return;
hud->fb_width = tex->width0;
hud->fb_height = tex->height0;
hud->constants.two_div_fb_width = 2.0f / hud->fb_width;
hud->constants.two_div_fb_height = 2.0f / hud->fb_height;
cso_save_state(cso, (CSO_BIT_FRAMEBUFFER |
CSO_BIT_SAMPLE_MASK |
CSO_BIT_MIN_SAMPLES |
CSO_BIT_BLEND |
CSO_BIT_DEPTH_STENCIL_ALPHA |
CSO_BIT_FRAGMENT_SHADER |
CSO_BIT_FRAGMENT_SAMPLER_VIEWS |
CSO_BIT_FRAGMENT_SAMPLERS |
CSO_BIT_RASTERIZER |
CSO_BIT_VIEWPORT |
CSO_BIT_STREAM_OUTPUTS |
CSO_BIT_GEOMETRY_SHADER |
CSO_BIT_TESSCTRL_SHADER |
CSO_BIT_TESSEVAL_SHADER |
CSO_BIT_VERTEX_SHADER |
CSO_BIT_VERTEX_ELEMENTS |
CSO_BIT_AUX_VERTEX_BUFFER_SLOT |
CSO_BIT_PAUSE_QUERIES |
CSO_BIT_RENDER_CONDITION));
cso_save_constant_buffer_slot0(cso, PIPE_SHADER_VERTEX);
/* set states */
memset(&surf_templ, 0, sizeof(surf_templ));
surf_templ.format = tex->format;
/* Without this, AA lines look thinner if they are between 2 pixels
* because the alpha is 0.5 on both pixels. (it's ugly)
*
* sRGB makes the width of all AA lines look the same.
*/
if (hud->has_srgb) {
enum pipe_format srgb_format = util_format_srgb(tex->format);
if (srgb_format != PIPE_FORMAT_NONE)
surf_templ.format = srgb_format;
}
surf = pipe->create_surface(pipe, tex, &surf_templ);
memset(&fb, 0, sizeof(fb));
fb.nr_cbufs = 1;
fb.cbufs[0] = surf;
fb.zsbuf = NULL;
fb.width = hud->fb_width;
fb.height = hud->fb_height;
viewport.scale[0] = 0.5f * hud->fb_width;
viewport.scale[1] = 0.5f * hud->fb_height;
viewport.scale[2] = 1.0f;
viewport.translate[0] = 0.5f * hud->fb_width;
viewport.translate[1] = 0.5f * hud->fb_height;
viewport.translate[2] = 0.0f;
cso_set_framebuffer(cso, &fb);
cso_set_sample_mask(cso, ~0);
cso_set_min_samples(cso, 1);
cso_set_depth_stencil_alpha(cso, &hud->dsa);
cso_set_rasterizer(cso, &hud->rasterizer);
cso_set_viewport(cso, &viewport);
cso_set_stream_outputs(cso, 0, NULL, NULL);
cso_set_tessctrl_shader_handle(cso, NULL);
cso_set_tesseval_shader_handle(cso, NULL);
cso_set_geometry_shader_handle(cso, NULL);
cso_set_vertex_shader_handle(cso, hud->vs);
cso_set_vertex_elements(cso, 2, hud->velems);
cso_set_render_condition(cso, NULL, FALSE, 0);
cso_set_sampler_views(cso, PIPE_SHADER_FRAGMENT, 1,
&hud->font_sampler_view);
cso_set_samplers(cso, PIPE_SHADER_FRAGMENT, 1, sampler_states);
cso_set_constant_buffer(cso, PIPE_SHADER_VERTEX, 0, &hud->constbuf);
/* prepare vertex buffers */
hud_alloc_vertices(hud, &hud->bg, 16 * 256, 2 * sizeof(float));
hud_alloc_vertices(hud, &hud->whitelines, 4 * 256, 2 * sizeof(float));
hud_alloc_vertices(hud, &hud->text, 16 * 1024, 4 * sizeof(float));
/* prepare all graphs */
hud_batch_query_update(hud->batch_query);
LIST_FOR_EACH_ENTRY(pane, &hud->pane_list, head) {
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
gr->query_new_value(gr);
}
if (pane->sort_items) {
LIST_FOR_EACH_ENTRY_SAFE(gr, next, &pane->graph_list, head) {
/* ignore the last one */
if (&gr->head == pane->graph_list.prev)
continue;
/* This is an incremental bubble sort, because we only do one pass
* per frame. It will eventually reach an equilibrium.
*/
if (gr->current_value <
LIST_ENTRY(struct hud_graph, next, head)->current_value) {
LIST_DEL(&gr->head);
LIST_ADD(&gr->head, &next->head);
}
}
}
hud_pane_accumulate_vertices(hud, pane);
}
/* unmap the uploader's vertex buffer before drawing */
u_upload_unmap(hud->uploader);
/* draw accumulated vertices for background quads */
cso_set_blend(cso, &hud->alpha_blend);
cso_set_fragment_shader_handle(hud->cso, hud->fs_color);
if (hud->bg.num_vertices) {
hud->constants.color[0] = 0;
hud->constants.color[1] = 0;
hud->constants.color[2] = 0;
hud->constants.color[3] = 0.666f;
hud->constants.translate[0] = 0;
hud->constants.translate[1] = 0;
hud->constants.scale[0] = 1;
hud->constants.scale[1] = 1;
cso_set_constant_buffer(cso, PIPE_SHADER_VERTEX, 0, &hud->constbuf);
cso_set_vertex_buffers(cso, cso_get_aux_vertex_buffer_slot(cso), 1,
&hud->bg.vbuf);
cso_draw_arrays(cso, PIPE_PRIM_QUADS, 0, hud->bg.num_vertices);
}
pipe_resource_reference(&hud->bg.vbuf.buffer, NULL);
/* draw accumulated vertices for white lines */
cso_set_blend(cso, &hud->no_blend);
hud->constants.color[0] = 1;
hud->constants.color[1] = 1;
hud->constants.color[2] = 1;
hud->constants.color[3] = 1;
hud->constants.translate[0] = 0;
hud->constants.translate[1] = 0;
hud->constants.scale[0] = 1;
hud->constants.scale[1] = 1;
cso_set_constant_buffer(cso, PIPE_SHADER_VERTEX, 0, &hud->constbuf);
if (hud->whitelines.num_vertices) {
cso_set_vertex_buffers(cso, cso_get_aux_vertex_buffer_slot(cso), 1,
&hud->whitelines.vbuf);
cso_set_fragment_shader_handle(hud->cso, hud->fs_color);
cso_draw_arrays(cso, PIPE_PRIM_LINES, 0, hud->whitelines.num_vertices);
}
pipe_resource_reference(&hud->whitelines.vbuf.buffer, NULL);
/* draw accumulated vertices for text */
cso_set_blend(cso, &hud->alpha_blend);
if (hud->text.num_vertices) {
cso_set_vertex_buffers(cso, cso_get_aux_vertex_buffer_slot(cso), 1,
&hud->text.vbuf);
cso_set_fragment_shader_handle(hud->cso, hud->fs_text);
cso_draw_arrays(cso, PIPE_PRIM_QUADS, 0, hud->text.num_vertices);
}
pipe_resource_reference(&hud->text.vbuf.buffer, NULL);
/* draw the rest */
cso_set_rasterizer(cso, &hud->rasterizer_aa_lines);
LIST_FOR_EACH_ENTRY(pane, &hud->pane_list, head) {
if (pane)
hud_pane_draw_colored_objects(hud, pane);
}
cso_restore_state(cso);
cso_restore_constant_buffer_slot0(cso, PIPE_SHADER_VERTEX);
pipe_surface_reference(&surf, NULL);
/* Start queries. */
hud_batch_query_begin(hud->batch_query);
LIST_FOR_EACH_ENTRY(pane, &hud->pane_list, head) {
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
if (gr->begin_query)
gr->begin_query(gr);
}
}
}
static void
fixup_bytes(enum pipe_driver_query_type type, int position, uint64_t *exp10)
{
if (type == PIPE_DRIVER_QUERY_TYPE_BYTES && position % 3 == 0)
*exp10 = (*exp10 / 1000) * 1024;
}
/**
* Set the maximum value for the Y axis of the graph.
* This scales the graph accordingly.
*/
void
hud_pane_set_max_value(struct hud_pane *pane, uint64_t value)
{
double leftmost_digit;
uint64_t exp10;
int i;
/* The following code determines the max_value in the graph as well as
* how many describing lines are drawn. The max_value is rounded up,
* so that all drawn numbers are rounded for readability.
* We want to print multiples of a simple number instead of multiples of
* hard-to-read numbers like 1.753.
*/
/* Find the left-most digit. */
exp10 = 1;
for (i = 0; value > 9 * exp10; i++) {
exp10 *= 10;
fixup_bytes(pane->type, i + 1, &exp10);
}
leftmost_digit = DIV_ROUND_UP(value, exp10);
/* Round 9 to 10. */
if (leftmost_digit == 9) {
leftmost_digit = 1;
exp10 *= 10;
fixup_bytes(pane->type, i + 1, &exp10);
}
switch ((unsigned)leftmost_digit) {
case 1:
pane->last_line = 5; /* lines in +1/5 increments */
break;
case 2:
pane->last_line = 8; /* lines in +1/4 increments. */
break;
case 3:
case 4:
pane->last_line = leftmost_digit * 2; /* lines in +1/2 increments */
break;
case 5:
case 6:
case 7:
case 8:
pane->last_line = leftmost_digit; /* lines in +1 increments */
break;
default:
assert(0);
}
/* Truncate {3,4} to {2.5, 3.5} if possible. */
for (i = 3; i <= 4; i++) {
if (leftmost_digit == i && value <= (i - 0.5) * exp10) {
leftmost_digit = i - 0.5;
pane->last_line = leftmost_digit * 2; /* lines in +1/2 increments. */
}
}
/* Truncate 2 to a multiple of 0.2 in (1, 1.6] if possible. */
if (leftmost_digit == 2) {
for (i = 1; i <= 3; i++) {
if (value <= (1 + i*0.2) * exp10) {
leftmost_digit = 1 + i*0.2;
pane->last_line = 5 + i; /* lines in +1/5 increments. */
break;
}
}
}
pane->max_value = leftmost_digit * exp10;
pane->yscale = -(int)pane->inner_height / (float)pane->max_value;
}
static void
hud_pane_update_dyn_ceiling(struct hud_graph *gr, struct hud_pane *pane)
{
unsigned i;
float tmp = 0.0f;
if (pane->dyn_ceil_last_ran != gr->index) {
LIST_FOR_EACH_ENTRY(gr, &pane->graph_list, head) {
for (i = 0; i < gr->num_vertices; ++i) {
tmp = gr->vertices[i * 2 + 1] > tmp ?
gr->vertices[i * 2 + 1] : tmp;
}
}
/* Avoid setting it lower than the initial starting height. */
tmp = tmp > pane->initial_max_value ? tmp : pane->initial_max_value;
hud_pane_set_max_value(pane, tmp);
}
/*
* Mark this adjustment run so we could avoid repeating a full update
* again needlessly in case the pane has more than one graph.
*/
pane->dyn_ceil_last_ran = gr->index;
}
static struct hud_pane *
hud_pane_create(unsigned x1, unsigned y1, unsigned x2, unsigned y2,
unsigned period, uint64_t max_value, uint64_t ceiling,
boolean dyn_ceiling, boolean sort_items)
{
struct hud_pane *pane = CALLOC_STRUCT(hud_pane);
if (!pane)
return NULL;
pane->x1 = x1;
pane->y1 = y1;
pane->x2 = x2;
pane->y2 = y2;
pane->inner_x1 = x1 + 1;
pane->inner_x2 = x2 - 1;
pane->inner_y1 = y1 + 1;
pane->inner_y2 = y2 - 1;
pane->inner_width = pane->inner_x2 - pane->inner_x1;
pane->inner_height = pane->inner_y2 - pane->inner_y1;
pane->period = period;
pane->max_num_vertices = (x2 - x1 + 2) / 2;
pane->ceiling = ceiling;
pane->dyn_ceiling = dyn_ceiling;
pane->dyn_ceil_last_ran = 0;
pane->sort_items = sort_items;
pane->initial_max_value = max_value;
hud_pane_set_max_value(pane, max_value);
LIST_INITHEAD(&pane->graph_list);
return pane;
}
/* replace '-' with a space */
static void
strip_hyphens(char *s)
{
while (*s) {
if (*s == '-')
*s = ' ';
s++;
}
}
/**
* Add a graph to an existing pane.
* One pane can contain multiple graphs over each other.
*/
void
hud_pane_add_graph(struct hud_pane *pane, struct hud_graph *gr)
{
static const float colors[][3] = {
{0, 1, 0},
{1, 0, 0},
{0, 1, 1},
{1, 0, 1},
{1, 1, 0},
{0.5, 1, 0.5},
{1, 0.5, 0.5},
{0.5, 1, 1},
{1, 0.5, 1},
{1, 1, 0.5},
{0, 0.5, 0},
{0.5, 0, 0},
{0, 0.5, 0.5},
{0.5, 0, 0.5},
{0.5, 0.5, 0},
};
unsigned color = pane->next_color % ARRAY_SIZE(colors);
strip_hyphens(gr->name);
gr->vertices = MALLOC(pane->max_num_vertices * sizeof(float) * 2);
gr->color[0] = colors[color][0];
gr->color[1] = colors[color][1];
gr->color[2] = colors[color][2];
gr->pane = pane;
LIST_ADDTAIL(&gr->head, &pane->graph_list);
pane->num_graphs++;
pane->next_color++;
}
void
hud_graph_add_value(struct hud_graph *gr, uint64_t value)
{
gr->current_value = value;
value = value > gr->pane->ceiling ? gr->pane->ceiling : value;
if (gr->fd)
fprintf(gr->fd, "%" PRIu64 "\n", value);
if (gr->index == gr->pane->max_num_vertices) {
gr->vertices[0] = 0;
gr->vertices[1] = gr->vertices[(gr->index-1)*2+1];
gr->index = 1;
}
gr->vertices[(gr->index)*2+0] = (float) (gr->index * 2);
gr->vertices[(gr->index)*2+1] = (float) value;
gr->index++;
if (gr->num_vertices < gr->pane->max_num_vertices) {
gr->num_vertices++;
}
if (gr->pane->dyn_ceiling == true) {
hud_pane_update_dyn_ceiling(gr, gr->pane);
}
if (value > gr->pane->max_value) {
hud_pane_set_max_value(gr->pane, value);
}
}
static void
hud_graph_destroy(struct hud_graph *graph)
{
FREE(graph->vertices);
if (graph->free_query_data)
graph->free_query_data(graph->query_data);
if (graph->fd)
fclose(graph->fd);
FREE(graph);
}
void
hud_graph_set_dump_file(struct hud_graph *gr)
{
#ifndef PIPE_OS_WINDOWS
const char *hud_dump_dir = getenv("GALLIUM_HUD_DUMP_DIR");
char *dump_file;
if (hud_dump_dir && access(hud_dump_dir, W_OK) == 0) {
dump_file = malloc(strlen(hud_dump_dir) + sizeof("/") + sizeof(gr->name));
if (dump_file) {
strcpy(dump_file, hud_dump_dir);
strcat(dump_file, "/");
strcat(dump_file, gr->name);
gr->fd = fopen(dump_file, "w+");
free(dump_file);
}
}
#endif
}
/**
* Read a string from the environment variable.
* The separators "+", ",", ":", and ";" terminate the string.
* Return the number of read characters.
*/
static int
parse_string(const char *s, char *out)
{
int i;
for (i = 0; *s && *s != '+' && *s != ',' && *s != ':' && *s != ';' && *s != '=';
s++, out++, i++)
*out = *s;
*out = 0;
if (*s && !i) {
fprintf(stderr, "gallium_hud: syntax error: unexpected '%c' (%i) while "
"parsing a string\n", *s, *s);
fflush(stderr);
}
return i;
}
static char *
read_pane_settings(char *str, unsigned * const x, unsigned * const y,
unsigned * const width, unsigned * const height,
uint64_t * const ceiling, boolean * const dyn_ceiling,
boolean *reset_colors, boolean *sort_items)
{
char *ret = str;
unsigned tmp;
while (*str == '.') {
++str;
switch (*str) {
case 'x':
++str;
*x = strtoul(str, &ret, 10);
str = ret;
break;
case 'y':
++str;
*y = strtoul(str, &ret, 10);
str = ret;
break;
case 'w':
++str;
tmp = strtoul(str, &ret, 10);
*width = tmp > 80 ? tmp : 80; /* 80 is chosen arbitrarily */
str = ret;
break;
/*
* Prevent setting height to less than 50. If the height is set to less,
* the text of the Y axis labels on the graph will start overlapping.
*/
case 'h':
++str;
tmp = strtoul(str, &ret, 10);
*height = tmp > 50 ? tmp : 50;
str = ret;
break;
case 'c':
++str;
tmp = strtoul(str, &ret, 10);
*ceiling = tmp > 10 ? tmp : 10;
str = ret;
break;
case 'd':
++str;
ret = str;
*dyn_ceiling = true;
break;
case 'r':
++str;
ret = str;
*reset_colors = true;
break;
case 's':
++str;
ret = str;
*sort_items = true;
break;
default:
fprintf(stderr, "gallium_hud: syntax error: unexpected '%c'\n", *str);
fflush(stderr);
}
}
return ret;
}
static boolean
has_occlusion_query(struct pipe_screen *screen)
{
return screen->get_param(screen, PIPE_CAP_OCCLUSION_QUERY) != 0;
}
static boolean
has_streamout(struct pipe_screen *screen)
{
return screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0;
}
static boolean
has_pipeline_stats_query(struct pipe_screen *screen)
{
return screen->get_param(screen, PIPE_CAP_QUERY_PIPELINE_STATISTICS) != 0;
}
static void
hud_parse_env_var(struct hud_context *hud, const char *env)
{
unsigned num, i;
char name_a[256], s[256];
char *name;
struct hud_pane *pane = NULL;
unsigned x = 10, y = 10;
unsigned width = 251, height = 100;
unsigned period = 500 * 1000; /* default period (1/2 second) */
uint64_t ceiling = UINT64_MAX;
unsigned column_width = 251;
boolean dyn_ceiling = false;
boolean reset_colors = false;
boolean sort_items = false;
const char *period_env;
/*
* The GALLIUM_HUD_PERIOD env var sets the graph update rate.
* The env var is in seconds (a float).
* Zero means update after every frame.
*/
period_env = getenv("GALLIUM_HUD_PERIOD");
if (period_env) {
float p = (float) atof(period_env);
if (p >= 0.0f) {
period = (unsigned) (p * 1000 * 1000);
}
}
while ((num = parse_string(env, name_a)) != 0) {
env += num;
/* check for explicit location, size and etc. settings */
name = read_pane_settings(name_a, &x, &y, &width, &height, &ceiling,
&dyn_ceiling, &reset_colors, &sort_items);
/*
* Keep track of overall column width to avoid pane overlapping in case
* later we create a new column while the bottom pane in the current
* column is less wide than the rest of the panes in it.
*/
column_width = width > column_width ? width : column_width;
if (!pane) {
pane = hud_pane_create(x, y, x + width, y + height, period, 10,
ceiling, dyn_ceiling, sort_items);
if (!pane)
return;
}
if (reset_colors) {
pane->next_color = 0;
reset_colors = false;
}
/* Add a graph. */
#if HAVE_GALLIUM_EXTRA_HUD || HAVE_LIBSENSORS
char arg_name[64];
#endif
/* IF YOU CHANGE THIS, UPDATE print_help! */
if (strcmp(name, "fps") == 0) {
hud_fps_graph_install(pane);
}
else if (strcmp(name, "cpu") == 0) {
hud_cpu_graph_install(pane, ALL_CPUS);
}
else if (sscanf(name, "cpu%u%s", &i, s) == 1) {
hud_cpu_graph_install(pane, i);
}
#if HAVE_GALLIUM_EXTRA_HUD
else if (sscanf(name, "nic-rx-%s", arg_name) == 1) {
hud_nic_graph_install(pane, arg_name, NIC_DIRECTION_RX);
}
else if (sscanf(name, "nic-tx-%s", arg_name) == 1) {
hud_nic_graph_install(pane, arg_name, NIC_DIRECTION_TX);
}
else if (sscanf(name, "nic-rssi-%s", arg_name) == 1) {
hud_nic_graph_install(pane, arg_name, NIC_RSSI_DBM);
pane->type = PIPE_DRIVER_QUERY_TYPE_DBM;
}
else if (sscanf(name, "diskstat-rd-%s", arg_name) == 1) {
hud_diskstat_graph_install(pane, arg_name, DISKSTAT_RD);
pane->type = PIPE_DRIVER_QUERY_TYPE_BYTES;
}
else if (sscanf(name, "diskstat-wr-%s", arg_name) == 1) {
hud_diskstat_graph_install(pane, arg_name, DISKSTAT_WR);
pane->type = PIPE_DRIVER_QUERY_TYPE_BYTES;
}
else if (sscanf(name, "cpufreq-min-cpu%u", &i) == 1) {
hud_cpufreq_graph_install(pane, i, CPUFREQ_MINIMUM);
pane->type = PIPE_DRIVER_QUERY_TYPE_HZ;
}
else if (sscanf(name, "cpufreq-cur-cpu%u", &i) == 1) {
hud_cpufreq_graph_install(pane, i, CPUFREQ_CURRENT);
pane->type = PIPE_DRIVER_QUERY_TYPE_HZ;
}
else if (sscanf(name, "cpufreq-max-cpu%u", &i) == 1) {
hud_cpufreq_graph_install(pane, i, CPUFREQ_MAXIMUM);
pane->type = PIPE_DRIVER_QUERY_TYPE_HZ;
}
#endif
#if HAVE_LIBSENSORS
else if (sscanf(name, "sensors_temp_cu-%s", arg_name) == 1) {
hud_sensors_temp_graph_install(pane, arg_name,
SENSORS_TEMP_CURRENT);
pane->type = PIPE_DRIVER_QUERY_TYPE_TEMPERATURE;
}
else if (sscanf(name, "sensors_temp_cr-%s", arg_name) == 1) {
hud_sensors_temp_graph_install(pane, arg_name,
SENSORS_TEMP_CRITICAL);
pane->type = PIPE_DRIVER_QUERY_TYPE_TEMPERATURE;
}
else if (sscanf(name, "sensors_volt_cu-%s", arg_name) == 1) {
hud_sensors_temp_graph_install(pane, arg_name,
SENSORS_VOLTAGE_CURRENT);
pane->type = PIPE_DRIVER_QUERY_TYPE_VOLTS;
}
else if (sscanf(name, "sensors_curr_cu-%s", arg_name) == 1) {
hud_sensors_temp_graph_install(pane, arg_name,
SENSORS_CURRENT_CURRENT);
pane->type = PIPE_DRIVER_QUERY_TYPE_AMPS;
}
else if (sscanf(name, "sensors_pow_cu-%s", arg_name) == 1) {
hud_sensors_temp_graph_install(pane, arg_name,
SENSORS_POWER_CURRENT);
pane->type = PIPE_DRIVER_QUERY_TYPE_WATTS;
}
#endif
else if (strcmp(name, "samples-passed") == 0 &&
has_occlusion_query(hud->pipe->screen)) {
hud_pipe_query_install(&hud->batch_query, pane, hud->pipe,
"samples-passed",
PIPE_QUERY_OCCLUSION_COUNTER, 0, 0,
PIPE_DRIVER_QUERY_TYPE_UINT64,
PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
0);
}
else if (strcmp(name, "primitives-generated") == 0 &&
has_streamout(hud->pipe->screen)) {
hud_pipe_query_install(&hud->batch_query, pane, hud->pipe,
"primitives-generated",
PIPE_QUERY_PRIMITIVES_GENERATED, 0, 0,
PIPE_DRIVER_QUERY_TYPE_UINT64,
PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
0);
}
else {
boolean processed = FALSE;
/* pipeline statistics queries */
if (has_pipeline_stats_query(hud->pipe->screen)) {
static const char *pipeline_statistics_names[] =
{
"ia-vertices",
"ia-primitives",
"vs-invocations",
"gs-invocations",
"gs-primitives",
"clipper-invocations",
"clipper-primitives-generated",
"ps-invocations",
"hs-invocations",
"ds-invocations",
"cs-invocations"
};
for (i = 0; i < ARRAY_SIZE(pipeline_statistics_names); ++i)
if (strcmp(name, pipeline_statistics_names[i]) == 0)
break;
if (i < ARRAY_SIZE(pipeline_statistics_names)) {
hud_pipe_query_install(&hud->batch_query, pane, hud->pipe, name,
PIPE_QUERY_PIPELINE_STATISTICS, i,
0, PIPE_DRIVER_QUERY_TYPE_UINT64,
PIPE_DRIVER_QUERY_RESULT_TYPE_AVERAGE,
0);
processed = TRUE;
}
}
/* driver queries */
if (!processed) {
if (!hud_driver_query_install(&hud->batch_query, pane, hud->pipe,
name)) {
fprintf(stderr, "gallium_hud: unknown driver query '%s'\n", name);
fflush(stderr);
}
}
}
if (*env == ':') {
env++;
if (!pane) {
fprintf(stderr, "gallium_hud: syntax error: unexpected ':', "
"expected a name\n");
fflush(stderr);
break;
}
num = parse_string(env, s);
env += num;
if (num && sscanf(s, "%u", &i) == 1) {
hud_pane_set_max_value(pane, i);
pane->initial_max_value = i;
}
else {
fprintf(stderr, "gallium_hud: syntax error: unexpected '%c' (%i) "
"after ':'\n", *env, *env);
fflush(stderr);
}
}
if (*env == '=') {
env++;
if (!pane) {
fprintf(stderr, "gallium_hud: syntax error: unexpected '=', "
"expected a name\n");
fflush(stderr);
break;
}
num = parse_string(env, s);
env += num;
strip_hyphens(s);
if (!LIST_IS_EMPTY(&pane->graph_list)) {
strcpy(LIST_ENTRY(struct hud_graph,
pane->graph_list.prev, head)->name, s);
}
}
if (*env == 0)
break;
/* parse a separator */
switch (*env) {
case '+':
env++;
break;
case ',':
env++;
if (!pane)
break;
y += height + hud->font.glyph_height * (pane->num_graphs + 2);
height = 100;
if (pane && pane->num_graphs) {
LIST_ADDTAIL(&pane->head, &hud->pane_list);
pane = NULL;
}
break;
case ';':
env++;
y = 10;
x += column_width + hud->font.glyph_width * 9;
height = 100;
if (pane && pane->num_graphs) {
LIST_ADDTAIL(&pane->head, &hud->pane_list);
pane = NULL;
}
/* Starting a new column; reset column width. */
column_width = 251;
break;
default:
fprintf(stderr, "gallium_hud: syntax error: unexpected '%c'\n", *env);
fflush(stderr);
}
/* Reset to defaults for the next pane in case these were modified. */
width = 251;
ceiling = UINT64_MAX;
dyn_ceiling = false;
sort_items = false;
}
if (pane) {
if (pane->num_graphs) {
LIST_ADDTAIL(&pane->head, &hud->pane_list);
}
else {
FREE(pane);
}
}
}
static void
print_help(struct pipe_screen *screen)
{
int i, num_queries, num_cpus = hud_get_num_cpus();
puts("Syntax: GALLIUM_HUD=name1[+name2][...][:value1][,nameI...][;nameJ...]");
puts("");
puts(" Names are identifiers of data sources which will be drawn as graphs");
puts(" in panes. Multiple graphs can be drawn in the same pane.");
puts(" There can be multiple panes placed in rows and columns.");
puts("");
puts(" '+' separates names which will share a pane.");
puts(" ':[value]' specifies the initial maximum value of the Y axis");
puts(" for the given pane.");
puts(" ',' creates a new pane below the last one.");
puts(" ';' creates a new pane at the top of the next column.");
puts(" '=' followed by a string, changes the name of the last data source");
puts(" to that string");
puts("");
puts(" Example: GALLIUM_HUD=\"cpu,fps;primitives-generated\"");
puts("");
puts(" Additionally, by prepending '.[identifier][value]' modifiers to");
puts(" a name, it is possible to explicitly set the location and size");
puts(" of a pane, along with limiting overall maximum value of the");
puts(" Y axis and activating dynamic readjustment of the Y axis.");
puts(" Several modifiers may be applied to the same pane simultaneously.");
puts("");
puts(" 'x[value]' sets the location of the pane on the x axis relative");
puts(" to the upper-left corner of the viewport, in pixels.");
puts(" 'y[value]' sets the location of the pane on the y axis relative");
puts(" to the upper-left corner of the viewport, in pixels.");
puts(" 'w[value]' sets width of the graph pixels.");
puts(" 'h[value]' sets height of the graph in pixels.");
puts(" 'c[value]' sets the ceiling of the value of the Y axis.");
puts(" If the graph needs to draw values higher than");
puts(" the ceiling allows, the value is clamped.");
puts(" 'd' activates dynamic Y axis readjustment to set the value of");
puts(" the Y axis to match the highest value still visible in the graph.");
puts(" 'r' resets the color counter (the next color will be green)");
puts(" 's' sort items below graphs in descending order");
puts("");
puts(" If 'c' and 'd' modifiers are used simultaneously, both are in effect:");
puts(" the Y axis does not go above the restriction imposed by 'c' while");
puts(" still adjusting the value of the Y axis down when appropriate.");
puts("");
puts(" Example: GALLIUM_HUD=\".w256.h64.x1600.y520.d.c1000fps+cpu,.datom-count\"");
puts("");
puts(" Available names:");
puts(" fps");
puts(" cpu");
for (i = 0; i < num_cpus; i++)
printf(" cpu%i\n", i);
if (has_occlusion_query(screen))
puts(" samples-passed");
if (has_streamout(screen))
puts(" primitives-generated");
if (has_pipeline_stats_query(screen)) {
puts(" ia-vertices");
puts(" ia-primitives");
puts(" vs-invocations");
puts(" gs-invocations");
puts(" gs-primitives");
puts(" clipper-invocations");
puts(" clipper-primitives-generated");
puts(" ps-invocations");
puts(" hs-invocations");
puts(" ds-invocations");
puts(" cs-invocations");
}
#if HAVE_GALLIUM_EXTRA_HUD
hud_get_num_disks(1);
hud_get_num_nics(1);
hud_get_num_cpufreq(1);
#endif
#if HAVE_LIBSENSORS
hud_get_num_sensors(1);
#endif
if (screen->get_driver_query_info){
boolean skipping = false;
struct pipe_driver_query_info info;
num_queries = screen->get_driver_query_info(screen, 0, NULL);
for (i = 0; i < num_queries; i++){
screen->get_driver_query_info(screen, i, &info);
if (info.flags & PIPE_DRIVER_QUERY_FLAG_DONT_LIST) {
if (!skipping)
puts(" ...");
skipping = true;
} else {
printf(" %s\n", info.name);
skipping = false;
}
}
}
puts("");
fflush(stdout);
}
struct hud_context *
hud_create(struct pipe_context *pipe, struct cso_context *cso)
{
struct pipe_screen *screen = pipe->screen;
struct hud_context *hud;
struct pipe_sampler_view view_templ;
unsigned i;
const char *env = debug_get_option("GALLIUM_HUD", NULL);
#ifdef PIPE_OS_UNIX
unsigned signo = debug_get_num_option("GALLIUM_HUD_TOGGLE_SIGNAL", 0);
static boolean sig_handled = FALSE;
struct sigaction action = {};
#endif
huds_visible = debug_get_bool_option("GALLIUM_HUD_VISIBLE", TRUE);
if (!env || !*env)
return NULL;
if (strcmp(env, "help") == 0) {
print_help(pipe->screen);
return NULL;
}
hud = CALLOC_STRUCT(hud_context);
if (!hud)
return NULL;
hud->pipe = pipe;
hud->cso = cso;
hud->uploader = u_upload_create(pipe, 256 * 1024,
PIPE_BIND_VERTEX_BUFFER, PIPE_USAGE_STREAM);
/* font */
if (!util_font_create(pipe, UTIL_FONT_FIXED_8X13, &hud->font)) {
u_upload_destroy(hud->uploader);
FREE(hud);
return NULL;
}
hud->has_srgb = screen->is_format_supported(screen,
PIPE_FORMAT_B8G8R8A8_SRGB,
PIPE_TEXTURE_2D, 0,
PIPE_BIND_RENDER_TARGET) != 0;
/* blend state */
hud->no_blend.rt[0].colormask = PIPE_MASK_RGBA;
hud->alpha_blend.rt[0].colormask = PIPE_MASK_RGBA;
hud->alpha_blend.rt[0].blend_enable = 1;
hud->alpha_blend.rt[0].rgb_func = PIPE_BLEND_ADD;
hud->alpha_blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
hud->alpha_blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
hud->alpha_blend.rt[0].alpha_func = PIPE_BLEND_ADD;
hud->alpha_blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ZERO;
hud->alpha_blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
/* fragment shader */
hud->fs_color =
util_make_fragment_passthrough_shader(pipe,
TGSI_SEMANTIC_COLOR,
TGSI_INTERPOLATE_CONSTANT,
TRUE);
{
/* Read a texture and do .xxxx swizzling. */
static const char *fragment_shader_text = {
"FRAG\n"
"DCL IN[0], GENERIC[0], LINEAR\n"
"DCL SAMP[0]\n"
"DCL SVIEW[0], RECT, FLOAT\n"
"DCL OUT[0], COLOR[0]\n"
"DCL TEMP[0]\n"
"TEX TEMP[0], IN[0], SAMP[0], RECT\n"
"MOV OUT[0], TEMP[0].xxxx\n"
"END\n"
};
struct tgsi_token tokens[1000];
struct pipe_shader_state state;
if (!tgsi_text_translate(fragment_shader_text, tokens, ARRAY_SIZE(tokens))) {
assert(0);
pipe_resource_reference(&hud->font.texture, NULL);
u_upload_destroy(hud->uploader);
FREE(hud);
return NULL;
}
pipe_shader_state_from_tgsi(&state, tokens);
hud->fs_text = pipe->create_fs_state(pipe, &state);
}
/* rasterizer */
hud->rasterizer.half_pixel_center = 1;
hud->rasterizer.bottom_edge_rule = 1;
hud->rasterizer.depth_clip = 1;
hud->rasterizer.line_width = 1;
hud->rasterizer.line_last_pixel = 1;
hud->rasterizer_aa_lines = hud->rasterizer;
hud->rasterizer_aa_lines.line_smooth = 1;
/* vertex shader */
{
static const char *vertex_shader_text = {
"VERT\n"
"DCL IN[0..1]\n"
"DCL OUT[0], POSITION\n"
"DCL OUT[1], COLOR[0]\n" /* color */
"DCL OUT[2], GENERIC[0]\n" /* texcoord */
/* [0] = color,
* [1] = (2/fb_width, 2/fb_height, xoffset, yoffset)
* [2] = (xscale, yscale, 0, 0) */
"DCL CONST[0..2]\n"
"DCL TEMP[0]\n"
"IMM[0] FLT32 { -1, 0, 0, 1 }\n"
/* v = in * (xscale, yscale) + (xoffset, yoffset) */
"MAD TEMP[0].xy, IN[0], CONST[2].xyyy, CONST[1].zwww\n"
/* pos = v * (2 / fb_width, 2 / fb_height) - (1, 1) */
"MAD OUT[0].xy, TEMP[0], CONST[1].xyyy, IMM[0].xxxx\n"
"MOV OUT[0].zw, IMM[0]\n"
"MOV OUT[1], CONST[0]\n"
"MOV OUT[2], IN[1]\n"
"END\n"
};
struct tgsi_token tokens[1000];
struct pipe_shader_state state;
if (!tgsi_text_translate(vertex_shader_text, tokens, ARRAY_SIZE(tokens))) {
assert(0);
pipe_resource_reference(&hud->font.texture, NULL);
u_upload_destroy(hud->uploader);
FREE(hud);
return NULL;
}
pipe_shader_state_from_tgsi(&state, tokens);
hud->vs = pipe->create_vs_state(pipe, &state);
}
/* vertex elements */
for (i = 0; i < 2; i++) {
hud->velems[i].src_offset = i * 2 * sizeof(float);
hud->velems[i].src_format = PIPE_FORMAT_R32G32_FLOAT;
hud->velems[i].vertex_buffer_index = cso_get_aux_vertex_buffer_slot(cso);
}
/* sampler view */
u_sampler_view_default_template(
&view_templ, hud->font.texture, hud->font.texture->format);
hud->font_sampler_view = pipe->create_sampler_view(pipe, hud->font.texture,
&view_templ);
/* sampler state (for font drawing) */
hud->font_sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
hud->font_sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
hud->font_sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
hud->font_sampler_state.normalized_coords = 0;
/* constants */
hud->constbuf.buffer_size = sizeof(hud->constants);
hud->constbuf.user_buffer = &hud->constants;
LIST_INITHEAD(&hud->pane_list);
/* setup sig handler once for all hud contexts */
#ifdef PIPE_OS_UNIX
if (!sig_handled && signo != 0) {
action.sa_sigaction = &signal_visible_handler;
action.sa_flags = SA_SIGINFO;
if (signo >= NSIG)
fprintf(stderr, "gallium_hud: invalid signal %u\n", signo);
else if (sigaction(signo, &action, NULL) < 0)
fprintf(stderr, "gallium_hud: unable to set handler for signal %u\n", signo);
fflush(stderr);
sig_handled = TRUE;
}
#endif
hud_parse_env_var(hud, env);
return hud;
}
void
hud_destroy(struct hud_context *hud)
{
struct pipe_context *pipe = hud->pipe;
struct hud_pane *pane, *pane_tmp;
struct hud_graph *graph, *graph_tmp;
LIST_FOR_EACH_ENTRY_SAFE(pane, pane_tmp, &hud->pane_list, head) {
LIST_FOR_EACH_ENTRY_SAFE(graph, graph_tmp, &pane->graph_list, head) {
LIST_DEL(&graph->head);
hud_graph_destroy(graph);
}
LIST_DEL(&pane->head);
FREE(pane);
}
hud_batch_query_cleanup(&hud->batch_query);
pipe->delete_fs_state(pipe, hud->fs_color);
pipe->delete_fs_state(pipe, hud->fs_text);
pipe->delete_vs_state(pipe, hud->vs);
pipe_sampler_view_reference(&hud->font_sampler_view, NULL);
pipe_resource_reference(&hud->font.texture, NULL);
u_upload_destroy(hud->uploader);
FREE(hud);
}