diff options
Diffstat (limited to 'frontend')
| -rw-r--r-- | frontend/arm_utils.s | 21 | ||||
| -rw-r--r-- | frontend/linux/fbdev.c | 22 | ||||
| -rw-r--r-- | frontend/linux/fbdev.h | 6 | ||||
| -rw-r--r-- | frontend/plugin_lib.c | 4 |
4 files changed, 35 insertions, 18 deletions
diff --git a/frontend/arm_utils.s b/frontend/arm_utils.s index edaafb8..d74c8b3 100644 --- a/frontend/arm_utils.s +++ b/frontend/arm_utils.s @@ -45,4 +45,25 @@ bgr555_to_rgb565: bx lr + +.global bgr888_to_rgb888 +bgr888_to_rgb888: + @ r2 /= 48 + mov r2, r2, lsr #4 + movw r3, #0x5556 + movt r3, #0x5555 + umull r12,r2, r3, r2 +0: + vld3.8 {d0-d2}, [r1, :64]! + vld3.8 {d3-d5}, [r1, :64]! + vswp d0, d2 + vswp d3, d5 + vst3.8 {d0-d2}, [r0, :64]! + vst3.8 {d3-d5}, [r0, :64]! + subs r2, r2, #1 + bne 0b + + bx lr + + @ vim:filetype=armasm diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c index 6ae0c77..fffe979 100644 --- a/frontend/linux/fbdev.c +++ b/frontend/linux/fbdev.c @@ -19,8 +19,6 @@ #include "fbdev.h" -#define FBDEV_MAX_BUFFERS 3 - struct vout_fbdev { int fd; void *mem; @@ -60,8 +58,8 @@ void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev) ioctl(fbdev->fd, FBIO_WAITFORVSYNC, &arg); } -int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, - int left_border, int right_border, int top_border, int bottom_border, int no_dblbuf) +int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, + int left_border, int right_border, int top_border, int bottom_border, int buffer_cnt) { int w_total = left_border + w + right_border; int h_total = top_border + h + bottom_border; @@ -71,7 +69,7 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, // unblank to be sure the mode is really accepted ioctl(fbdev->fd, FBIOBLANK, FB_BLANK_UNBLANK); - if (fbdev->fbvar_new.bits_per_pixel != 16 || + if (fbdev->fbvar_new.bits_per_pixel != bpp || w != fbdev->fbvar_new.xres || h != fbdev->fbvar_new.yres || w_total != fbdev->fbvar_new.xres_virtual || @@ -82,8 +80,8 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, fbdev->fbvar_new.xres_virtual = w_total; fbdev->fbvar_new.yres_virtual = h_total; fbdev->fbvar_new.xoffset = left_border; - fbdev->fbvar_new.bits_per_pixel = 16; - printf(" switching to %dx%d@16\n", w, h); + fbdev->fbvar_new.bits_per_pixel = bpp; + printf(" switching to %dx%d@%d\n", w, h, bpp); ret = ioctl(fbdev->fd, FBIOPUT_VSCREENINFO, &fbdev->fbvar_new); if (ret == -1) { perror("FBIOPUT_VSCREENINFO ioctl"); @@ -91,9 +89,7 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, } } - fbdev->buffer_count = FBDEV_MAX_BUFFERS; // be optimistic - if (no_dblbuf) - fbdev->buffer_count = 1; + fbdev->buffer_count = buffer_cnt; if (fbdev->fbvar_new.yres_virtual < h_total * fbdev->buffer_count) { fbdev->fbvar_new.yres_virtual = h_total * fbdev->buffer_count; @@ -105,7 +101,7 @@ int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, } } - fbdev->fb_size = w_total * h_total * 2; + fbdev->fb_size = w_total * h_total * bpp / 8; fbdev->top_border = top_border; fbdev->bottom_border = bottom_border; @@ -157,7 +153,7 @@ int vout_fbdev_get_fd(struct vout_fbdev *fbdev) return fbdev->fd; } -struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf) +struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int bpp, int buffer_cnt) { struct vout_fbdev *fbdev; int req_w, req_h; @@ -189,7 +185,7 @@ struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int n if (*h != 0) req_h = *h; - ret = vout_fbdev_resize(fbdev, req_w, req_h, 0, 0, 0, 0, no_dblbuf); + ret = vout_fbdev_resize(fbdev, req_w, req_h, bpp, 0, 0, 0, 0, buffer_cnt); if (ret != 0) goto fail; diff --git a/frontend/linux/fbdev.h b/frontend/linux/fbdev.h index fa163aa..ddbfdab 100644 --- a/frontend/linux/fbdev.h +++ b/frontend/linux/fbdev.h @@ -1,11 +1,11 @@ struct vout_fbdev; -struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int no_dblbuf); +struct vout_fbdev *vout_fbdev_init(const char *fbdev_name, int *w, int *h, int bpp, int buffer_count); void *vout_fbdev_flip(struct vout_fbdev *fbdev); void vout_fbdev_wait_vsync(struct vout_fbdev *fbdev); -int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, +int vout_fbdev_resize(struct vout_fbdev *fbdev, int w, int h, int bpp, int left_border, int right_border, int top_border, int bottom_border, - int no_dblbuf); + int buffer_count); void vout_fbdev_clear(struct vout_fbdev *fbdev); void vout_fbdev_clear_lines(struct vout_fbdev *fbdev, int y, int count); int vout_fbdev_get_fd(struct vout_fbdev *fbdev); diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c index 5fd80cd..92c2b53 100644 --- a/frontend/plugin_lib.c +++ b/frontend/plugin_lib.c @@ -24,7 +24,7 @@ int pl_fbdev_init(void) w = 640; h = 512; // ?? - fbdev = vout_fbdev_init(fbdev_name, &w, &h, 0); + fbdev = vout_fbdev_init(fbdev_name, &w, &h, 16, 3); if (fbdev == NULL) return -1; @@ -36,7 +36,7 @@ int pl_fbdev_init(void) int pl_fbdev_set_mode(int w, int h, int bpp) { printf("set mode %dx%d@%d\n", w, h, bpp); - return vout_fbdev_resize(fbdev, w, h, 0, 0, 0, 0, 0); + return vout_fbdev_resize(fbdev, w, h, bpp, 0, 0, 0, 0, 3); } void *pl_fbdev_flip(void) |