mirror of
https://src.fedoraproject.org/rpms/grub2.git
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210 lines
6.4 KiB
Diff
210 lines
6.4 KiB
Diff
From b6fba8115cc492d54f185f37080817b05871785f Mon Sep 17 00:00:00 2001
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From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com>
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Date: Sat, 4 May 2013 15:07:13 +0200
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Subject: [PATCH 424/482] Speed-up gfxterm by slightly agglomerating
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mallocs.
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---
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ChangeLog | 4 ++++
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grub-core/term/gfxterm.c | 61 ++++++++++++++----------------------------------
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include/grub/unicode.h | 24 +++++++++++++++++++
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3 files changed, 45 insertions(+), 44 deletions(-)
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diff --git a/ChangeLog b/ChangeLog
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index a13face..963792e 100644
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--- a/ChangeLog
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+++ b/ChangeLog
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@@ -1,5 +1,9 @@
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2013-05-04 Vladimir Serbinenko <phcoder@gmail.com>
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+ Speed-up gfxterm by slightly agglomerating mallocs.
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+
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+2013-05-04 Vladimir Serbinenko <phcoder@gmail.com>
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+
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More video checks.
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2013-05-04 Vladimir Serbinenko <phcoder@gmail.com>
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diff --git a/grub-core/term/gfxterm.c b/grub-core/term/gfxterm.c
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index 54636d7..0cb4037 100644
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--- a/grub-core/term/gfxterm.c
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+++ b/grub-core/term/gfxterm.c
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@@ -49,7 +49,7 @@ struct grub_dirty_region
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struct grub_colored_char
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{
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/* An Unicode codepoint. */
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- struct grub_unicode_glyph *code;
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+ struct grub_unicode_glyph code;
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/* Color values. */
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grub_video_color_t fg_color;
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@@ -175,14 +175,8 @@ set_term_color (grub_uint8_t term_color)
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static void
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clear_char (struct grub_colored_char *c)
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{
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- if (c->code)
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- {
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- grub_free (c->code->combining);
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- grub_free (c->code);
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- }
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- c->code = grub_unicode_glyph_from_code (' ');
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- if (!c->code)
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- grub_errno = GRUB_ERR_NONE;
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+ grub_free (c->code.combining);
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+ grub_unicode_set_glyph_from_code (&c->code, ' ');
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c->fg_color = virtual_screen.fg_color;
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c->bg_color = virtual_screen.bg_color;
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}
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@@ -197,11 +191,7 @@ grub_virtual_screen_free (void)
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for (i = 0;
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i < virtual_screen.columns * virtual_screen.rows;
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i++)
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- if (virtual_screen.text_buffer[i].code)
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- {
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- grub_free (virtual_screen.text_buffer[i].code->combining);
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- grub_free (virtual_screen.text_buffer[i].code);
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- }
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+ grub_free (virtual_screen.text_buffer[i].code.combining);
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grub_free (virtual_screen.text_buffer);
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}
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@@ -277,7 +267,7 @@ grub_virtual_screen_setup (unsigned int x, unsigned int y,
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/* Clear out text buffer. */
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for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++)
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{
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- virtual_screen.text_buffer[i].code = 0;
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+ virtual_screen.text_buffer[i].code.combining = 0;
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clear_char (&(virtual_screen.text_buffer[i]));
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}
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@@ -418,12 +408,9 @@ grub_gfxterm_term_fini (struct grub_term_output *term __attribute__ ((unused)))
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for (i = 0; i < virtual_screen.columns * virtual_screen.rows; i++)
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{
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- if (virtual_screen.text_buffer[i].code)
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- {
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- grub_free (virtual_screen.text_buffer[i].code->combining);
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- grub_free (virtual_screen.text_buffer[i].code);
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- }
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- virtual_screen.text_buffer[i].code = 0;
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+ grub_free (virtual_screen.text_buffer[i].code.combining);
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+ virtual_screen.text_buffer[i].code.combining = 0;
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+ virtual_screen.text_buffer[i].code.base = 0;
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}
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/* Clear error state. */
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@@ -634,11 +621,11 @@ paint_char (unsigned cx, unsigned cy)
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p = (virtual_screen.text_buffer
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+ cx + (cy * virtual_screen.columns));
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- if (!p->code)
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+ if (!p->code.base)
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return;
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/* Get glyph for character. */
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- glyph = grub_font_construct_glyph (virtual_screen.font, p->code);
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+ glyph = grub_font_construct_glyph (virtual_screen.font, &p->code);
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if (!glyph)
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{
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grub_errno = GRUB_ERR_NONE;
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@@ -817,11 +804,7 @@ scroll_up (void)
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/* Clear first line in text buffer. */
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for (i = 0; i < virtual_screen.columns; i++)
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- if (virtual_screen.text_buffer[i].code)
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- {
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- grub_free (virtual_screen.text_buffer[i].code->combining);
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- grub_free (virtual_screen.text_buffer[i].code);
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- }
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+ grub_free (virtual_screen.text_buffer[i].code.combining);
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/* Scroll text buffer with one line to up. */
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grub_memmove (virtual_screen.text_buffer,
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@@ -834,10 +817,7 @@ scroll_up (void)
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for (i = virtual_screen.columns * (virtual_screen.rows - 1);
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i < virtual_screen.columns * virtual_screen.rows;
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i++)
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- {
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- virtual_screen.text_buffer[i].code = 0;
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- clear_char (&(virtual_screen.text_buffer[i]));
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- }
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+ clear_char (&(virtual_screen.text_buffer[i]));
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virtual_screen.total_scroll++;
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}
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@@ -897,14 +877,9 @@ grub_gfxterm_putchar (struct grub_term_output *term,
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p = (virtual_screen.text_buffer +
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virtual_screen.cursor_x +
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virtual_screen.cursor_y * virtual_screen.columns);
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- if (p->code)
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- {
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- grub_free (p->code->combining);
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- grub_free (p->code);
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- }
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- p->code = grub_unicode_glyph_dup (c);
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- if (!p->code)
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- grub_errno = GRUB_ERR_NONE;
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+ grub_free (p->code.combining);
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+ grub_unicode_set_glyph (&p->code, c);
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+ grub_errno = GRUB_ERR_NONE;
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p->fg_color = virtual_screen.fg_color;
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p->bg_color = virtual_screen.bg_color;
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@@ -916,11 +891,9 @@ grub_gfxterm_putchar (struct grub_term_output *term,
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for (i = 1; i < char_width && p + i <
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virtual_screen.text_buffer + virtual_screen.columns
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* virtual_screen.rows; i++)
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- if (p[i].code)
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{
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- grub_free (p[i].code->combining);
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- grub_free (p[i].code);
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- p[i].code = NULL;
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+ grub_free (p[i].code.combining);
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+ p[i].code.base = 0;
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}
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}
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diff --git a/include/grub/unicode.h b/include/grub/unicode.h
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index 5a96a19..3d79c4c 100644
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--- a/include/grub/unicode.h
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+++ b/include/grub/unicode.h
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@@ -274,6 +274,21 @@ grub_unicode_glyph_dup (const struct grub_unicode_glyph *in)
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return out;
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}
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+static inline void
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+grub_unicode_set_glyph (struct grub_unicode_glyph *out,
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+ const struct grub_unicode_glyph *in)
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+{
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+ grub_memcpy (out, in, sizeof (*in));
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+ if (in->combining)
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+ {
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+ out->combining = grub_malloc (in->ncomb * sizeof (out->combining[0]));
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+ if (!out->combining)
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+ return;
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+ grub_memcpy (out->combining, in->combining,
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+ in->ncomb * sizeof (out->combining[0]));
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+ }
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+}
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+
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static inline struct grub_unicode_glyph *
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grub_unicode_glyph_from_code (grub_uint32_t code)
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{
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@@ -287,6 +302,15 @@ grub_unicode_glyph_from_code (grub_uint32_t code)
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return ret;
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}
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+static inline void
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+grub_unicode_set_glyph_from_code (struct grub_unicode_glyph *glyph,
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+ grub_uint32_t code)
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+{
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+ grub_memset (glyph, 0, sizeof (*glyph));
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+
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+ glyph->base = code;
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+}
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+
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grub_uint32_t
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grub_unicode_mirror_code (grub_uint32_t in);
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grub_uint32_t
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--
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1.8.2.1
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