Created
July 1, 2015 22:26
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diff -Naur plymouth-lite-0.6.0/ply-frame-buffer.c plymouth-lite-0.6.0.patch/ply-frame-buffer.c | |
--- plymouth-lite-0.6.0/ply-frame-buffer.c 2012-05-02 22:29:21.505665089 +0200 | |
+++ plymouth-lite-0.6.0.patch/ply-frame-buffer.c 2012-05-04 01:40:24.000000000 +0200 | |
@@ -149,6 +149,58 @@ | |
} | |
} | |
+static void | |
+flush_xbgr32 (ply_frame_buffer_t *buffer) | |
+{ | |
+ unsigned long x1, y1, x2, y2, x, y; | |
+ char *dst, *src; | |
+ | |
+ x1 = buffer->area_to_flush.x; | |
+ y1 = buffer->area_to_flush.y; | |
+ x2 = x1 + buffer->area_to_flush.width; | |
+ y2 = y1 + buffer->area_to_flush.height; | |
+ | |
+ for (y = y1; y < y2; y++) | |
+ { | |
+ dst = &buffer->map_address[(y * buffer->row_stride + x1) * 4]; | |
+ src = (char *) &buffer->shadow_buffer[y * buffer->area.width + x1]; | |
+ | |
+ for (x = x1; x < x2; x++) | |
+ { | |
+ dst[0] = src[2]; | |
+ dst[1] = src[1]; | |
+ dst[2] = src[0]; | |
+ dst[3] = src[3]; | |
+ dst += 4; | |
+ src += 4; | |
+ } | |
+ } | |
+} | |
+ | |
+static void | |
+flush_rgb16 (ply_frame_buffer_t *buffer) | |
+{ | |
+ unsigned long x1, y1, x2, y2, x, y; | |
+ unsigned short *dst; unsigned char *src; | |
+ | |
+ x1 = buffer->area_to_flush.x; | |
+ y1 = buffer->area_to_flush.y; | |
+ x2 = x1 + buffer->area_to_flush.width; | |
+ y2 = y1 + buffer->area_to_flush.height; | |
+ | |
+ for (y = y1; y < y2; y++) | |
+ { | |
+ dst = (unsigned short *)&buffer->map_address[(y * buffer->row_stride + x1) * 2]; | |
+ src = (unsigned char *) &buffer->shadow_buffer[y * buffer->area.width + x1]; | |
+ | |
+ for (x = x1; x < x2; x++) | |
+ { | |
+ *dst++ = (src[0]>>3) << 0 | (src[1]>>2) << 5 | (src[2]>>3) << 11; | |
+ src += 4; | |
+ } | |
+ } | |
+} | |
+ | |
static const char const *p_visual(int visual) | |
{ | |
static const char const *visuals[] = | |
@@ -260,11 +312,26 @@ | |
buffer->dither_green = 0; | |
buffer->dither_blue = 0; | |
if (buffer->bytes_per_pixel == 4 && | |
buffer->red_bit_position == 16 && buffer->bits_for_red == 8 && | |
buffer->green_bit_position == 8 && buffer->bits_for_green == 8 && | |
buffer->blue_bit_position == 0 && buffer->bits_for_blue == 8) | |
buffer->flush = flush_xrgb32; | |
+ else if (buffer->bytes_per_pixel == 4 && | |
+ buffer->red_bit_position == 0 && buffer->bits_for_red == 8 && | |
+ buffer->green_bit_position == 8 && buffer->bits_for_green == 8 && | |
+ buffer->blue_bit_position == 16 && buffer->bits_for_blue == 8) | |
+ buffer->flush = flush_xbgr32; | |
+ else if (buffer->bytes_per_pixel == 2 && | |
+ buffer->red_bit_position == 11 && buffer->bits_for_red == 5 && | |
+ buffer->green_bit_position == 5 && buffer->bits_for_green == 6 && | |
+ buffer->blue_bit_position == 0 && buffer->bits_for_blue == 5) | |
+ buffer->flush = flush_rgb16; | |
else | |
buffer->flush = flush_generic; | |
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