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Add interpolation parameter to resize_to_po2()

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Image::resize_to_po2() now takes an optional p_interpolation parameter
that it passes directly to resize() with default value INTERPOLATE_BILINEAR.

GLES2: call resize_to_po2() with interpolate argument

Call resize_to_po2() in GLES2 rasterizer storage with either
INTERPOLATE_BILINEAR or INTERPOLATE_NEAREST depending on TEXTURE_FLAG_FILTER.

This avoids filtering issues with non power of two pixel art textures.
See #44379
This commit is contained in:
Theogen Ratkin 2020-12-17 11:46:34 -04:00
parent 3f47cdc5c6
commit 8f6a6ac8d0
4 changed files with 9 additions and 7 deletions
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6
core/image.cpp
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@ -867,7 +867,7 @@ bool Image::is_size_po2() const {
return uint32_t(width) == next_power_of_2(width) && uint32_t(height) == next_power_of_2(height);
}
void Image::resize_to_po2(bool p_square) {
void Image::resize_to_po2(bool p_square, Interpolation p_interpolation) {
ERR_FAIL_COND_MSG(!_can_modify(format), "Cannot resize in compressed or custom image formats.");
@ -883,7 +883,7 @@ void Image::resize_to_po2(bool p_square) {
return; //nothing to do
}
resize(w, h);
resize(w, h, p_interpolation);
}
void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
@ -2725,7 +2725,7 @@ void Image::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_mipmap_offset", "mipmap"), &Image::get_mipmap_offset);
ClassDB::bind_method(D_METHOD("resize_to_po2", "square"), &Image::resize_to_po2, DEFVAL(false));
ClassDB::bind_method(D_METHOD("resize_to_po2", "square", "interpolation"), &Image::resize_to_po2, DEFVAL(false), DEFVAL(INTERPOLATE_BILINEAR));
ClassDB::bind_method(D_METHOD("resize", "width", "height", "interpolation"), &Image::resize, DEFVAL(INTERPOLATE_BILINEAR));
ClassDB::bind_method(D_METHOD("shrink_x2"), &Image::shrink_x2);
ClassDB::bind_method(D_METHOD("expand_x2_hq2x"), &Image::expand_x2_hq2x);