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Added broken 16bpp animated blitter

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This commit is contained in:
pelya
2014-05-31 23:30:20 +03:00
parent 318ff9d373
commit ac10a8c8cf
7 changed files with 489 additions and 19 deletions
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14
src/blitter/16bpp_base.cpp
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@@ -74,12 +74,12 @@ void Blitter_16bppBase::CopyImageToBuffer(const void *video, void *dst, int widt
void Blitter_16bppBase::ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y)
{
const uint16 *src;
uint16 *dst;
const Colour16 *src;
Colour16 *dst;
if (scroll_y > 0) {
/* Calculate pointers */
dst = (uint16 *)video + left + (top + height - 1) * _screen.pitch;
dst = (Colour16 *)video + left + (top + height - 1) * _screen.pitch;
src = dst - scroll_y * _screen.pitch;
/* Decrease height and increase top */
@@ -98,13 +98,13 @@ void Blitter_16bppBase::ScrollBuffer(void *video, int &left, int &top, int &widt
}
for (int h = height; h > 0; h--) {
memcpy(dst, src, width * sizeof(uint16));
memcpy(dst, src, width * sizeof(Colour16));
src -= _screen.pitch;
dst -= _screen.pitch;
}
} else {
/* Calculate pointers */
dst = (uint16 *)video + left + top * _screen.pitch;
dst = (Colour16 *)video + left + top * _screen.pitch;
src = dst - scroll_y * _screen.pitch;
/* Decrease height. (scroll_y is <=0). */
@@ -124,7 +124,7 @@ void Blitter_16bppBase::ScrollBuffer(void *video, int &left, int &top, int &widt
/* the y-displacement may be 0 therefore we have to use memmove,
* because source and destination may overlap */
for (int h = height; h > 0; h--) {
memmove(dst, src, width * sizeof(uint16));
memmove(dst, src, width * sizeof(Colour16));
src += _screen.pitch;
dst += _screen.pitch;
}
@@ -133,7 +133,7 @@ void Blitter_16bppBase::ScrollBuffer(void *video, int &left, int &top, int &widt
int Blitter_16bppBase::BufferSize(int width, int height)
{
return width * height * sizeof(uint16);
return width * height * sizeof(Colour16);
}
void Blitter_16bppBase::PaletteAnimate(const Palette &palette)