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libobs: Fix potential truncation warnings

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This commit is contained in:
jpark37 2020-05-21 09:35:52 -07:00
parent cb98f456eb
commit cd6f56d0ea
1 changed files with 17 additions and 12 deletions
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29
libobs/graphics/graphics.c
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@ -1143,33 +1143,38 @@ void gs_texture_set_image(gs_texture_t *tex, const uint8_t *data,
{
uint8_t *ptr;
uint32_t linesize_out;
uint32_t row_copy;
int32_t height;
int32_t y;
size_t row_copy;
size_t height;
if (!gs_valid_p2("gs_texture_set_image", tex, data))
return;
height = (int32_t)gs_texture_get_height(tex);
if (!gs_texture_map(tex, &ptr, &linesize_out))
return;
row_copy = (linesize < linesize_out) ? linesize : linesize_out;
height = gs_texture_get_height(tex);
if (flip) {
for (y = height - 1; y >= 0; y--)
memcpy(ptr + (uint32_t)y * linesize_out,
data + (uint32_t)(height - y - 1) * linesize,
row_copy);
uint8_t *const end = ptr + height * linesize_out;
data += (height - 1) * linesize;
while (ptr < end) {
memcpy(ptr, data, row_copy);
ptr += linesize_out;
data -= linesize;
}
} else if (linesize == linesize_out) {
memcpy(ptr, data, row_copy * height);
} else {
for (y = 0; y < height; y++)
memcpy(ptr + (uint32_t)y * linesize_out,
data + (uint32_t)y * linesize, row_copy);
uint8_t *const end = ptr + height * linesize_out;
while (ptr < end) {
memcpy(ptr, data, row_copy);
ptr += linesize_out;
data += linesize;
}
}
gs_texture_unmap(tex);