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spark: fix framebuffer glitches

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* explicitly flush the blitter after every operation
* msync() only the needed range for blitting
This fixes e.g. 2x green button in osd range setup
This commit is contained in:
Stefan Seyfried
2012-03-10 16:44:21 +01:00
parent 3ac9bb5388
commit ef03e351ab
1 changed files with 7 additions and 4 deletions
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11
src/driver/framebuffer_spark.cpp
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@@ -74,7 +74,7 @@ void CFrameBuffer::waitForIdle(void)
struct timeval ts, te;
gettimeofday(&ts, NULL);
#endif
ioctl(fd, STMFBIO_SYNC_BLITTER);
// ioctl(fd, STMFBIO_SYNC_BLITTER);
#if 0
gettimeofday(&te, NULL);
printf("STMFBIO_SYNC_BLITTER took %lld us\n", (te.tv_sec * 1000000LL + te.tv_usec) - (ts.tv_sec * 1000000LL + ts.tv_usec));
@@ -1436,8 +1436,9 @@ void CFrameBuffer::blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32
int y = scaleY(yoff);
int dw = scaleX(width - xp);
int dh = scaleY(height - yp);
size_t mem_sz = width * height * sizeof(fb_pixel_t);
memcpy(backbuffer, fbbuff, width * height * sizeof(fb_pixel_t));
memcpy(backbuffer, fbbuff, mem_sz);
STMFBIO_BLT_EXTERN_DATA blt_data;
memset(&blt_data, 0, sizeof(STMFBIO_BLT_EXTERN_DATA));
@@ -1463,7 +1464,7 @@ void CFrameBuffer::blit2FB(void *fbbuff, uint32_t width, uint32_t height, uint32
blt_data.dstMemSize = stride * yRes;
// icons are so small that they will still be in cache
msync(backbuffer, backbuf_sz, MS_SYNC);
msync(backbuffer, mem_sz, MS_SYNC);
if(ioctl(fd, STMFBIO_BLT_EXTERN, &blt_data) < 0)
perror("blit2FB FBIO_BLIT");
@@ -1608,6 +1609,7 @@ void CFrameBuffer::blitRect(int x, int y, int width, int height, unsigned long c
if (ioctl(fd, STMFBIO_BLT, &bltData ) < 0)
perror("blitRect FBIO_BLIT");
ioctl(fd, STMFBIO_SYNC_BLITTER);
}
void CFrameBuffer::blitIcon(int src_width, int src_height, int fb_x, int fb_y, int width, int height)
@@ -1635,10 +1637,11 @@ void CFrameBuffer::blitIcon(int src_width, int src_height, int fb_x, int fb_y, i
blt_data.srcMemSize = backbuf_sz;
blt_data.dstMemSize = stride * yRes;
msync(backbuffer, backbuf_sz, MS_SYNC);
msync(backbuffer, blt_data.srcPitch * src_height, MS_SYNC);
if(ioctl(fd, STMFBIO_BLT_EXTERN, &blt_data) < 0)
perror("blit_icon FBIO_BLIT");
ioctl(fd, STMFBIO_SYNC_BLITTER);
}
void CFrameBuffer::update(void)