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get_splashscreeen: add assertions

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This commit is contained in:
Martin Pulec
2025-02-03 13:55:56 +01:00
parent a657bc75df
commit 6b09b5e9fe
1 changed files with 13 additions and 3 deletions
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16
src/video_display.c
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@@ -630,9 +630,14 @@ struct video_frame *get_splashscreen()
{
struct video_desc desc;
desc.width = 512;
desc.height = 512;
desc.color_spec = RGBA;
enum {
FBUF_W = 512,
FBUF_H = 512,
FBUF_CS = RGBA,
};
desc.width = FBUF_W;
desc.height = FBUF_H;
desc.color_spec = (codec_t) FBUF_CS;
desc.interlacing = PROGRESSIVE;
desc.fps = 1;
desc.tile_count = 1;
@@ -641,6 +646,10 @@ struct video_frame *get_splashscreen()
const char *data = splash_data;
memset(frame->tiles[0].data, 0, frame->tiles[0].data_len);
// center the pixture; framebuffer size must be greater or equal
// the splash size
_Static_assert(splash_width >= FBUF_W && splash_height >= FBUF_H,
"framebuffer smaller than splash size");
for (unsigned int y = 0; y < splash_height; ++y) {
char *line = frame->tiles[0].data;
line += vc_get_linesize(frame->tiles[0].width,
@@ -649,6 +658,7 @@ struct video_frame *get_splashscreen()
line += vc_get_linesize(
(frame->tiles[0].width - splash_width)/2,
frame->color_spec);
_Static_assert((codec_t) FBUF_CS == RGBA, "RGBA is expected");
for (unsigned int x = 0; x < splash_width; ++x) {
HEADER_PIXEL(data,line);
line += 4;