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* Implemented 32 bit cropped blit. Untested. I am guessing that the functions

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could be refactored to avoid code duplication (ie only cropping
  implementations, with the non-cropping function being a special case of the
  cropping version)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24436 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stephan Aßmus 2008-03-18 11:18:38 +00:00
parent 10134c6d28
commit 61a1f36f79
1 changed files with 30 additions and 1 deletions
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31
src/system/kernel/splash.cpp
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@ -215,6 +215,31 @@ boot_splash_fb_blit16_cropped(const uint8 *data, uint16 imageLeft,
}
static void
boot_splash_fb_blit32_cropped(const uint8 *data, uint16 imageLeft,
uint16 imageTop, uint16 imageRight, uint16 imageBottom, uint16 imageWidth,
uint16 imageHeight, const uint8 *palette, uint16 left, uint16 top)
{
int32 dataOffset = (imageWidth * imageTop) + imageLeft;
uint32 *start = (uint32 *)(sBootSplash.frame_buffer
+ sBootSplash.bytes_per_row * top + 4 * left);
for (int32 y = imageTop; y < imageBottom; y++) {
for (int32 x = imageLeft; x < imageRight; x++) {
uint16 color = data[(y * (imageWidth)) + x] * 3;
start[x] = (palette[color + 0] << 16) | (palette[color + 1] << 8)
| (palette[color + 2]);
dataOffset += imageWidth;
}
start = (uint32 *)((addr_t)start + sBootSplash.bytes_per_row);
}
}
static void
boot_splash_fb_blit_cropped(const uint8 *data, uint16 imageLeft,
uint16 imageTop, uint16 imageRight, uint16 imageBottom, uint16 imageWidth,
@ -230,8 +255,12 @@ boot_splash_fb_blit_cropped(const uint8 *data, uint16 imageLeft,
imageRight, imageBottom, imageWidth, imageHeight, palette,
left, top);
return;
case 24:
case 32:
boot_splash_fb_blit32_cropped(data, imageLeft, imageTop,
imageRight, imageBottom, imageWidth, imageHeight, palette,
left, top);
return;
case 24:
return;
}
}