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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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2
src/driver/fb_accel.h
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@@ -100,6 +100,7 @@ class CFbAccelCSHD1
inline void paintHLineRel(int x, int dx, int y, const fb_pixel_t col) { paintLine(x, y, x+dx, y, col); };
inline void paintVLineRel(int x, int y, int dy, const fb_pixel_t col) { paintLine(x, y, x, y+dy, col); };
void paintBoxRel(const int x, const int y, const int dx, const int dy, const fb_pixel_t col, int radius = 0, int type = CORNER_ALL);
void fbCopyArea(uint32_t width, uint32_t height, uint32_t dst_x, uint32_t dst_y, uint32_t src_x, uint32_t src_y);
void blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp = 0, uint32_t yp = 0, bool transp = false);
void blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff);
void waitForIdle(const char *func = NULL);
@@ -123,6 +124,7 @@ class CFbAccelCSHD2
void paintHLineRel(int x, int dx, int y, const fb_pixel_t col);
void paintVLineRel(int x, int y, int dy, const fb_pixel_t col);
void paintBoxRel(const int x, const int y, const int dx, const int dy, const fb_pixel_t col, int radius = 0, int type = CORNER_ALL);
void fbCopyArea(uint32_t width, uint32_t height, uint32_t dst_x, uint32_t dst_y, uint32_t src_x, uint32_t src_y);
void blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp = 0, uint32_t yp = 0, bool transp = false);
void blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff);
fb_pixel_t * getBackBufferPointer() const;

11
src/driver/fb_accel_cs_hd1.cpp
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@@ -262,6 +262,17 @@ void CFbAccelCSHD1::paintBoxRel(const int x, const int y, const int dx, const in
checkFbArea(x, y, dx, dy, false);
}
void CFbAccelCSHD1::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;
//printf("\033[33m>>>>\033[0m [CFbAccelCSHD1::%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);
printf("\033[31m>>>>\033[0m [CFbAccelCSHD1::%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 CFbAccelCSHD1::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;

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;

56
src/driver/fb_generic.cpp
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@@ -1580,6 +1580,62 @@ 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;

1
src/driver/fb_generic.h
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@@ -266,6 +266,7 @@ class CFrameBuffer : public sigc::trackable
void* convertRGB2FB(unsigned char *rgbbuff, unsigned long x, unsigned long y, int transp = 0xFF);
void* convertRGBA2FB(unsigned char *rgbbuff, unsigned long x, unsigned long y);
void displayRGB(unsigned char *rgbbuff, int x_size, int y_size, int x_pan, int y_pan, int x_offs, int y_offs, bool clearfb = true, int transp = 0xFF);
virtual void fbCopyArea(uint32_t width, uint32_t height, uint32_t dst_x, uint32_t dst_y, uint32_t src_x, uint32_t src_y);
virtual void blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff, uint32_t xp = 0, uint32_t yp = 0, bool transp = false);
virtual void blitBox2FB(const fb_pixel_t* boxBuf, uint32_t width, uint32_t height, uint32_t xoff, uint32_t yoff);