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fontrenderer: fix rendering problems with accelerated blitting

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Origin commit data
------------------
Commit: ca9b85b3f5
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2013-04-09 (Tue, 09 Apr 2013)
This commit is contained in:
Stefan Seyfried
2013-04-09 08:23:32 +02:00
committed by Jacek Jendrzej
parent d7704f4dc8
commit 90a2e693bb
1 changed files with 9 additions and 9 deletions
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18
src/driver/fontrenderer.cpp
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@@ -432,14 +432,20 @@ void Font::RenderString(int x, int y, const int width, const char *text, const u
static fb_pixel_t oldbgcolor = 0, oldfgcolor = 0;
static fb_pixel_t colors[256]={0};
/* fetch bgcolor from framebuffer, using lower left edge of the font... */
fb_pixel_t bgcolor = *(frameBuffer->getFrameBufferPointer() + x +
y * frameBuffer->getStride() / sizeof(fb_pixel_t));
// fb_pixel_t bgcolor = frameBuffer->realcolor[color];
uint8_t fgindex = color; /* index of font color in the palette */
if (color > COL_BLACK0 && color < 254) /* bigger than 254 would result in > 255 */
fgindex = ((((int)color) + 2) | 7) - 2; /* no idea what this does exactly... */
fb_pixel_t fgcolor = frameBuffer->realcolor[fgindex];
#ifndef USE_NEVIS_GXA
/* the GXA seems to do it's job asynchonously, so we need to wait until
it's ready, otherwise the font will sometimes "be overwritten" with
background color or bgcolor will be wrong */
frameBuffer->waitForIdle();
#endif
/* fetch bgcolor from framebuffer, using lower left edge of the font... */
fb_pixel_t bgcolor = *(frameBuffer->getFrameBufferPointer() + x +
y * frameBuffer->getStride() / sizeof(fb_pixel_t));
if((oldbgcolor != bgcolor) || (oldfgcolor != fgcolor)) {
@@ -484,12 +490,6 @@ void Font::RenderString(int x, int y, const int width, const char *text, const u
spread_by = 1;
}
/* the GXA seems to do it's job asynchonously, so we need to wait until
it's ready, otherwise the font will sometimes "be overwritten" with
background color */
#ifndef USE_NEVIS_GXA
frameBuffer->waitForIdle();
#endif
for (; *text; text++)
{
FTC_SBit glyph;