From b6fba8115cc492d54f185f37080817b05871785f Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Sat, 4 May 2013 15:07:13 +0200 Subject: [PATCH 424/471] Speed-up gfxterm by slightly agglomerating mallocs. --- ChangeLog | 4 ++++ grub-core/term/gfxterm.c | 61 ++++++++++++++---------------------------------- include/grub/unicode.h | 24 +++++++++++++++++++ 3 files changed, 45 insertions(+), 44 deletions(-) diff --git a/ChangeLog b/ChangeLog index a13face..963792e 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2013-05-04 Vladimir Serbinenko + Speed-up gfxterm by slightly agglomerating mallocs. + +2013-05-04 Vladimir Serbinenko + More video checks. 2013-05-04 Vladimir Serbinenko diff --git a/grub-core/term/gfxterm.c b/grub-core/term/gfxterm.c index 54636d7..0cb4037 100644 --- a/grub-core/term/gfxterm.c +++ b/grub-core/term/gfxterm.c @@ -49,7 +49,7 @@ struct grub_dirty_region struct grub_colored_char { /* An Unicode codepoint. */ - struct grub_unicode_glyph *code; + struct grub_unicode_glyph code; /* Color values. */ grub_video_color_t fg_color; @@ -175,14 +175,8 @@ set_term_color (grub_uint8_t term_color) static void clear_char (struct grub_colored_char *c) { - if (c->code) - { - grub_free (c->code->combining); - grub_free (c->code); - } - c->code = grub_unicode_glyph_from_code (' '); - if (!c->code) - grub_errno = GRUB_ERR_NONE; + grub_free (c->code.combining); + grub_unicode_set_glyph_from_code (&c->code, ' '); c->fg_color = virtual_screen.fg_color; c->bg_color = virtual_screen.bg_color; } @@ -197,11 +191,7 @@ grub_virtual_screen_free (void) for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++) - if (virtual_screen.text_buffer[i].code) - { - grub_free (virtual_screen.text_buffer[i].code->combining); - grub_free (virtual_screen.text_buffer[i].code); - } + grub_free (virtual_screen.text_buffer[i].code.combining); grub_free (virtual_screen.text_buffer); } @@ -277,7 +267,7 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y, /* Clear out text buffer. */ for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++) { - virtual_screen.text_buffer[i].code = 0; + virtual_screen.text_buffer[i].code.combining = 0; clear_char (&(virtual_screen.text_buffer[i])); } @@ -418,12 +408,9 @@ grub_gfxterm_term_fini (struct grub_term_output *term __attribute__ ((unused))) for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++) { - if (virtual_screen.text_buffer[i].code) - { - grub_free (virtual_screen.text_buffer[i].code->combining); - grub_free (virtual_screen.text_buffer[i].code); - } - virtual_screen.text_buffer[i].code = 0; + grub_free (virtual_screen.text_buffer[i].code.combining); + virtual_screen.text_buffer[i].code.combining = 0; + virtual_screen.text_buffer[i].code.base = 0; } /* Clear error state. */ @@ -634,11 +621,11 @@ paint_char (unsigned cx, unsigned cy) p = (virtual_screen.text_buffer + cx + (cy * virtual_screen.columns)); - if (!p->code) + if (!p->code.base) return; /* Get glyph for character. */ - glyph = grub_font_construct_glyph (virtual_screen.font, p->code); + glyph = grub_font_construct_glyph (virtual_screen.font, &p->code); if (!glyph) { grub_errno = GRUB_ERR_NONE; @@ -817,11 +804,7 @@ scroll_up (void) /* Clear first line in text buffer. */ for (i = 0; i < virtual_screen.columns; i++) - if (virtual_screen.text_buffer[i].code) - { - grub_free (virtual_screen.text_buffer[i].code->combining); - grub_free (virtual_screen.text_buffer[i].code); - } + grub_free (virtual_screen.text_buffer[i].code.combining); /* Scroll text buffer with one line to up. */ grub_memmove (virtual_screen.text_buffer, @@ -834,10 +817,7 @@ scroll_up (void) for (i = virtual_screen.columns * (virtual_screen.rows - 1); i < virtual_screen.columns * virtual_screen.rows; i++) - { - virtual_screen.text_buffer[i].code = 0; - clear_char (&(virtual_screen.text_buffer[i])); - } + clear_char (&(virtual_screen.text_buffer[i])); virtual_screen.total_scroll++; } @@ -897,14 +877,9 @@ grub_gfxterm_putchar (struct grub_term_output *term, p = (virtual_screen.text_buffer + virtual_screen.cursor_x + virtual_screen.cursor_y * virtual_screen.columns); - if (p->code) - { - grub_free (p->code->combining); - grub_free (p->code); - } - p->code = grub_unicode_glyph_dup (c); - if (!p->code) - grub_errno = GRUB_ERR_NONE; + grub_free (p->code.combining); + grub_unicode_set_glyph (&p->code, c); + grub_errno = GRUB_ERR_NONE; p->fg_color = virtual_screen.fg_color; p->bg_color = virtual_screen.bg_color; @@ -916,11 +891,9 @@ grub_gfxterm_putchar (struct grub_term_output *term, for (i = 1; i < char_width && p + i < virtual_screen.text_buffer + virtual_screen.columns * virtual_screen.rows; i++) - if (p[i].code) { - grub_free (p[i].code->combining); - grub_free (p[i].code); - p[i].code = NULL; + grub_free (p[i].code.combining); + p[i].code.base = 0; } } diff --git a/include/grub/unicode.h b/include/grub/unicode.h index 5a96a19..3d79c4c 100644 --- a/include/grub/unicode.h +++ b/include/grub/unicode.h @@ -274,6 +274,21 @@ grub_unicode_glyph_dup (const struct grub_unicode_glyph *in) return out; } +static inline void +grub_unicode_set_glyph (struct grub_unicode_glyph *out, + const struct grub_unicode_glyph *in) +{ + grub_memcpy (out, in, sizeof (*in)); + if (in->combining) + { + out->combining = grub_malloc (in->ncomb * sizeof (out->combining[0])); + if (!out->combining) + return; + grub_memcpy (out->combining, in->combining, + in->ncomb * sizeof (out->combining[0])); + } +} + static inline struct grub_unicode_glyph * grub_unicode_glyph_from_code (grub_uint32_t code) { @@ -287,6 +302,15 @@ grub_unicode_glyph_from_code (grub_uint32_t code) return ret; } +static inline void +grub_unicode_set_glyph_from_code (struct grub_unicode_glyph *glyph, + grub_uint32_t code) +{ + grub_memset (glyph, 0, sizeof (*glyph)); + + glyph->base = code; +} + grub_uint32_t grub_unicode_mirror_code (grub_uint32_t in); grub_uint32_t -- 1.8.2.1