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author | Leo Tenenbaum <pommicket@gmail.com> | 2021-02-04 19:04:04 -0500 |
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committer | Leo Tenenbaum <pommicket@gmail.com> | 2021-02-04 19:04:43 -0500 |
commit | a04565b7796fdfcff0b652644a0983145abbba87 (patch) | |
tree | 45d5ce88fe1a9915632211d765d07e3c83ce0166 /math.c | |
parent | 9c96427ba61f17d4cb91235bef2a77483a0278bf (diff) |
small modern gl geometry api
Diffstat (limited to 'math.c')
-rw-r--r-- | math.c | 14 |
1 files changed, 10 insertions, 4 deletions
@@ -772,10 +772,16 @@ static void gl_color2f(float v, float a) { } static void rgba_u32_to_floats(u32 rgba, float floats[4]) { - floats[0] = (float)(rgba >> 24) / 255.f; - floats[1] = (float)(rgba >> 16) / 255.f; - floats[2] = (float)(rgba >> 8) / 255.f; - floats[3] = (float)(rgba >> 0) / 255.f; + floats[0] = (float)((rgba >> 24) & 0xFF) / 255.f; + floats[1] = (float)((rgba >> 16) & 0xFF) / 255.f; + floats[2] = (float)((rgba >> 8) & 0xFF) / 255.f; + floats[3] = (float)((rgba >> 0) & 0xFF) / 255.f; +} + +static v4 rgba_u32_to_v4(u32 rgba) { + float c[4]; + rgba_u32_to_floats(rgba, c); + return V4(c[0], c[1], c[2], c[3]); } // color is 0xRRGGBBAA |