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Merge branch 'master' into pu/fb-setmode

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This commit is contained in:
M. Liebmann
2017-02-20 00:11:48 +01:00
parent 43dbfed1ba b7110faaf6
commit d76c9c536c
8 changed files with 117 additions and 12 deletions
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56
src/driver/fb_generic.cpp
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@@ -1593,6 +1593,62 @@ void * CFrameBuffer::convertRGBA2FB(unsigned char *rgbbuff, unsigned long x, uns
return int_convertRGB2FB(rgbbuff, x, y, 0, true);
}
void CFrameBuffer::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_, i;
fb_pixel_t *fromBuf = NULL, *toBuf = NULL;
fb_pixel_t *dst_p, *src_p;
fb_pixel_t * fbp = getFrameBufferPointer();
fb_pixel_t * bbp = getBackBufferPointer();
w_ = (width > xRes) ? xRes : width;
h_ = (height > yRes) ? yRes : height;
if ((src_y < yRes) && (dst_y < yRes)) { /* copy within framebuffer */
fromBuf = fbp;
toBuf = fbp;
}
else if ((src_y >= yRes) && (dst_y >= yRes)) { /* copy within backbuffer */
fromBuf = bbp;
toBuf = bbp;
dst_y -= yRes;
src_y -= yRes;
}
else if (src_y >= yRes) { /* copy backbuffer => framebuffer */
fromBuf = bbp;
toBuf = fbp;
src_y -= yRes;
}
else if (dst_y >= yRes) { /* copy framebuffer => backbuffer */
fromBuf = fbp;
toBuf = bbp;
dst_y -= yRes;
}
if ((fromBuf == NULL) || (toBuf == NULL)) {
//printf(">>>>> [%s:%d] buff = NULL\n", __func__, __LINE__);
return;
}
if ((src_x == dst_x) && (src_y == dst_y) && (fromBuf == toBuf)) { /* self copy? */
//printf(">>>>> [%s:%d] self copy?\n", __func__, __LINE__);
return;
}
dst_p = toBuf + dst_y*stride/sizeof(fb_pixel_t);
src_p = fromBuf + src_y*stride/sizeof(fb_pixel_t);
if ((w_ == xRes) && (stride == (xRes*sizeof(fb_pixel_t)))) { /* copy full width */
//printf(">>>>> [%s:%d] copy full width - dst_p: %p, src_p: %p\n", __func__, __LINE__, dst_p, src_p);
memcpy(dst_p, src_p, w_*h_*sizeof(fb_pixel_t));
}
else { /* copy all other */
//printf(">>>>> [%s:%d] copy all other - dst_p: %p, src_p: %p\n", __func__, __LINE__, dst_p, src_p);
uint32_t wMem = w_*sizeof(fb_pixel_t);
for (i = 0; i < h_; i++) {
memcpy(dst_p+dst_x, src_p+src_x, wMem);
dst_p += stride/sizeof(fb_pixel_t);
src_p += stride/sizeof(fb_pixel_t);
}
}
}
void CFrameBuffer::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;