mirror of
git://projects.qi-hardware.com/openwrt-packages.git
synced 2024-11-01 21:41:53 +02:00
88 lines
2.8 KiB
Diff
88 lines
2.8 KiB
Diff
Index: allegro-4.4.2/src/linux/fbcon.c
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===================================================================
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--- allegro-4.4.2.orig/src/linux/fbcon.c 2011-06-02 11:18:50.000000000 +0200
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+++ allegro-4.4.2/src/linux/fbcon.c 2011-06-16 22:13:10.000000000 +0200
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@@ -19,6 +19,10 @@
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* See readme.txt for copyright information.
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*/
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+/* #define DEBUGMODE */
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+
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+#include <errno.h>
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+#include <string.h>
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#include "allegro.h"
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#include "allegro/internal/aintern.h"
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@@ -251,6 +255,7 @@
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if (__al_linux_console_graphics() != 0) {
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ioctl(fbfd, FBIOPUT_VSCREENINFO, &orig_mode);
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close(fbfd);
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+ fb_mode_read = FALSE;
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return NULL;
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}
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@@ -263,6 +268,7 @@
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case -1:
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/* let's see if we can get the actual screen mode */
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/* shouldn't we be keeping the previous color depth setting? */
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+ TRACE(PREFIX_I "...orig bpp %i...\n", (int)orig_mode.bits_per_pixel);
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switch (orig_mode.bits_per_pixel) {
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case 8:
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case 16:
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@@ -360,9 +366,21 @@
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continue;
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/* try to set the mode */
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+ TRACE(PREFIX_I "...trying w %i h %i vw %i vh %i bpp %i...\n",
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+ (int)my_mode.xres, (int)my_mode.yres,
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+ (int)my_mode.xres_virtual, (int)my_mode.yres_virtual,
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+ my_mode.bits_per_pixel);
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if (ioctl(fbfd, FBIOPUT_VSCREENINFO, &my_mode) == 0) {
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+ TRACE(PREFIX_I "...ioctl ok w %i h %i vw %i vh %i bpp %i...\n",
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+ (int)my_mode.xres, (int)my_mode.yres,
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+ (int)my_mode.xres_virtual, (int)my_mode.yres_virtual,
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+ my_mode.bits_per_pixel);
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if (my_mode.bits_per_pixel == (unsigned)color_depth)
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goto got_a_nice_mode;
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+ }
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+ else
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+ {
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+ TRACE(PREFIX_I "...ioctl said %i %s\n", errno, strerror(errno));
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}
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}
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@@ -377,6 +395,9 @@
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close(fbfd);
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ustrzcpy(allegro_error, ALLEGRO_ERROR_SIZE, get_config_text("Framebuffer resolution not available"));
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TRACE(PREFIX_E "Resolution %dx%d not available...\n", w, h);
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+ /* bugfix: if we don't reset fb_mode_read than the next call to
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+ set_gfx_mode() is going to fail with "bad file descriptor" */
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+ fb_mode_read = FALSE;
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return NULL;
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got_a_nice_mode:
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@@ -387,6 +408,7 @@
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__al_linux_console_text();
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close(fbfd);
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ustrzcpy(allegro_error, ALLEGRO_ERROR_SIZE, get_config_text("Framebuffer ioctl() failed"));
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+ fb_mode_read = FALSE;
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return NULL;
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}
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@@ -399,6 +421,7 @@
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ustrzcpy(allegro_error, ALLEGRO_ERROR_SIZE, get_config_text("Can't map framebuffer"));
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TRACE(PREFIX_E "Couldn't map framebuffer for %dx%d. Restored old "
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"resolution.\n", w, h);
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+ fb_mode_read = FALSE;
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return NULL;
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}
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@@ -428,6 +451,7 @@
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__al_linux_console_text();
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close(fbfd);
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TRACE(PREFIX_E "Couldn't make bitmap `b', sorry.\n");
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+ fb_mode_read = FALSE;
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return NULL;
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}
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