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feat: canvas from texture atlas element

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MihailRis 2025-11-05 00:20:58 +03:00
parent 497160a5b9
commit d9f2d54bf0
10 changed files with 126 additions and 28 deletions
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6
src/graphics/core/Texture.cpp
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@ -54,6 +54,12 @@ void Texture::reload(const ubyte* data) {
glBindTexture(GL_TEXTURE_2D, 0);
}
void Texture::reloadPartial(const ImageData& image, uint x, uint y, uint w, uint h) {
glBindTexture(GL_TEXTURE_2D, id);
glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, w, h, GL_RGBA, GL_UNSIGNED_BYTE, image.getData());
glBindTexture(GL_TEXTURE_2D, 0);
}
std::unique_ptr<ImageData> Texture::readData() {
auto data = std::make_unique<ubyte[]>(width * height * 4);
glBindTexture(GL_TEXTURE_2D, id);