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vwebp: clear canvas during resize w/o animation

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this corrects the checkboard pattern displayed with transparent images

Change-Id: I5f46dbc9fa3893d61f5f1d4fda643ac030238f94
(cherry picked from commit 67c25ad5b420af07ea4cc5b4957b49ed1b9894bc)
This commit is contained in:
James Zern 2016-12-13 23:21:33 -08:00
parent 31ca2a8098
commit a4a8e5f32c
1 changed files with 1 additions and 0 deletions
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examples/vwebp.c
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@ -264,6 +264,7 @@ static void HandleReshape(int width, int height) {
glLoadIdentity();
kParams.viewport_width = width;
kParams.viewport_height = height;
if (!kParams.has_animation) ClearPreviousFrame();
}
static void PrintString(const char* const text) {