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framebuffer: Add fbCopyArea function

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- Copies areas within the frame buffer
 - Hardware accelerated function for cs hd2
 - Copying overlapping areas does not always work correctly
   without hardware acceleration
This commit is contained in:
M. Liebmann
2017-02-19 23:45:09 +01:00
parent e908858c19
commit cc5a1b3b31
5 changed files with 92 additions and 0 deletions
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22
src/driver/fb_accel_cs_hd2.cpp
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@@ -141,6 +141,28 @@ void CFbAccelCSHD2::paintBoxRel(const int x, const int y, const int dx, const in
checkFbArea(x, y, dx, dy, false);
}
void CFbAccelCSHD2::fbCopyArea(uint32_t width, uint32_t height, uint32_t dst_x, uint32_t dst_y, uint32_t src_x, uint32_t src_y)
{
uint32_t w_, h_;
w_ = (width > xRes) ? xRes : width;
h_ = (height > yRes) ? yRes : height;
if(!(w_%4)) {
fb_copyarea area;
area.dx = dst_x;
area.dy = dst_y;
area.width = w_;
area.height = h_;
area.sx = src_x;
area.sy = src_y;
ioctl(fd, FBIO_COPY_AREA, &area);
//printf("\033[33m>>>>\033[0m [CFbAccelCSHD2::%s:%d] fb_copyarea w: %d, h: %d, dst_x: %d, dst_y: %d, src_x: %d, src_y: %d\n", __func__, __LINE__, w_, h_, dst_x, dst_y, src_x, src_y);
return;
}
//printf("\033[31m>>>>\033[0m [CFbAccelCSHD2::%s:%d] sw blit w: %d, h: %d, dst_x: %d, dst_y: %d, src_x: %d, src_y: %d\n", __func__, __LINE__, w_, h_, dst_x, dst_y, src_x, src_y);
CFrameBuffer::fbCopyArea(width, height, dst_x, dst_y, src_x, src_y);
}
void CFbAccelCSHD2::blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp, uint32_t yp, bool transp)
{
int xc, yc;