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framebuffer: implement setBlendLevel() and setBlendMode() for TripleDragon

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This commit is contained in:
Stefan Seyfried
2011-05-01 16:34:34 +02:00
parent 9e72dcc2f6
commit 93e4ef3b08
1 changed files with 29 additions and 0 deletions
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29
src/driver/framebuffer.cpp
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@@ -536,6 +536,7 @@ void CFrameBuffer::setTransparency( int /*tr*/ )
{
}
#if !HAVE_TRIPLEDRAGON
void CFrameBuffer::setBlendMode(uint8_t mode)
{
#ifdef HAVE_COOL_HARDWARE
@@ -560,6 +561,34 @@ void CFrameBuffer::setBlendLevel(int level)
#endif
#endif
}
#else
/* TRIPLEDRAGON */
void CFrameBuffer::setBlendMode(uint8_t mode)
{
Stb04GFXOsdControl g;
ioctl(gfxfd, STB04GFX_OSD_GETCONTROL, &g);
g.use_global_alpha = (mode == 2); /* 1 == pixel alpha, 2 == global alpha */
ioctl(gfxfd, STB04GFX_OSD_SETCONTROL, &g);
}
void CFrameBuffer::setBlendLevel(int blev1, int /*blev2*/)
{
/* this is bypassing directfb, but faster and easier */
Stb04GFXOsdControl g;
ioctl(gfxfd, STB04GFX_OSD_GETCONTROL, &g);
if (g.use_global_alpha == 0)
return;
if (blev1 < 0 || blev1 > 100)
return;
/* this is the same as convertSetupAlpha2Alpha(), but non-float */
g.global_alpha = 255 - (255 * blev1 / 100);
ioctl(gfxfd, STB04GFX_OSD_SETCONTROL, &g);
if (blev1 == 100) // sucks
usleep(20000);
}
#endif
void CFrameBuffer::setAlphaFade(int in, int num, int tr)
{