| /************************************************************************** |
| * |
| * 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 <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_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 alpha_blend; |
| struct pipe_depth_stencil_alpha_state dsa; |
| void *fs_color, *fs_text; |
| struct pipe_rasterizer_state rasterizer; |
| 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; |
| }; |
| |
| #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, uint64_t max_value, |
| 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[] = {"%"}; |
| |
| 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_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; |
| default: |
| if (max_value == 100) { |
| max_unit = ARRAY_SIZE(percent_units)-1; |
| units = percent_units; |
| } else { |
| max_unit = ARRAY_SIZE(metric_units)-1; |
| units = metric_units; |
| } |
| } |
| |
| while (d > divisor && unit < max_unit) { |
| d /= divisor; |
| unit++; |
| } |
| |
| if (d >= 100 || d == (int)d) |
| sprintf(out, "%.0f%s", d, units[unit]); |
| else if (d >= 10 || d*10 == (int)(d*10)) |
| sprintf(out, "%.1f%s", d, units[unit]); |
| else |
| sprintf(out, "%.2f%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]; |
| |
| /* 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 < 6; i++) { |
| unsigned x = pane->x2 + 2; |
| unsigned y = pane->inner_y1 + pane->inner_height * (5 - i) / 5 - |
| hud->font.glyph_height / 2; |
| |
| number_to_human_readable(pane->max_value * i / 5, pane->max_value, |
| 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->max_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 <= 5; i++) { |
| float y = round((pane->max_value * i / 5.0) * 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; |
| |
| 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; |
| 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_blend(cso, &hud->alpha_blend); |
| 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, 4 * 128, 2 * sizeof(float)); |
| hud_alloc_vertices(hud, &hud->whitelines, 4 * 256, 2 * sizeof(float)); |
| hud_alloc_vertices(hud, &hud->text, 4 * 512, 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); |
| } |
| |
| 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_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 */ |
| 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 */ |
| 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 */ |
| 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); |
| } |
| |
| /** |
| * 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) |
| { |
| pane->max_value = value; |
| 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) |
| { |
| 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->initial_max_value = max_value; |
| hud_pane_set_max_value(pane, max_value); |
| LIST_INITHEAD(&pane->graph_list); |
| return pane; |
| } |
| |
| /** |
| * 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, 0.5, 1}, |
| {0.5, 0.5, 0.5}, |
| }; |
| char *name = gr->name; |
| |
| /* replace '-' with a space */ |
| while (*name) { |
| if (*name == '-') |
| *name = ' '; |
| name++; |
| } |
| |
| assert(pane->num_graphs < ARRAY_SIZE(colors)); |
| gr->vertices = MALLOC(pane->max_num_vertices * sizeof(float) * 2); |
| gr->color[0] = colors[pane->num_graphs][0]; |
| gr->color[1] = colors[pane->num_graphs][1]; |
| gr->color[2] = colors[pane->num_graphs][2]; |
| gr->pane = pane; |
| LIST_ADDTAIL(&gr->head, &pane->graph_list); |
| pane->num_graphs++; |
| } |
| |
| 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->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); |
| FREE(graph); |
| } |
| |
| /** |
| * 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++, 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); |
| 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) |
| { |
| 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; |
| |
| default: |
| fprintf(stderr, "gallium_hud: syntax error: unexpected '%c'\n", *str); |
| } |
| |
| } |
| |
| 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; |
| 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); |
| |
| /* |
| * 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); |
| if (!pane) |
| return; |
| } |
| |
| /* Add a graph. */ |
| /* 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); |
| } |
| 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); |
| } |
| } |
| } |
| |
| if (*env == ':') { |
| env++; |
| |
| if (!pane) { |
| fprintf(stderr, "gallium_hud: syntax error: unexpected ':', " |
| "expected a name\n"); |
| 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); |
| } |
| } |
| |
| 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 * 7; |
| 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); |
| } |
| |
| /* Reset to defaults for the next pane in case these were modified. */ |
| width = 251; |
| ceiling = UINT64_MAX; |
| dyn_ceiling = 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(""); |
| 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(""); |
| 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 (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 hud_context *hud; |
| struct pipe_sampler_view view_templ; |
| unsigned i; |
| const char *env = debug_get_option("GALLIUM_HUD", NULL); |
| unsigned signo = debug_get_num_option("GALLIUM_HUD_TOGGLE_SIGNAL", 0); |
| #ifdef PIPE_OS_UNIX |
| 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; |
| } |
| |
| /* blend state */ |
| 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; |
| |
| /* 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); |
| } |