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| author | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-03-16 23:23:04 +0000 |
|---|---|---|
| committer | Dan Goodliffe <dan@randomdan.homeip.net> | 2023-03-16 23:23:04 +0000 |
| commit | 07dc690837f6a665490e370e8a07410e970384d7 (patch) | |
| tree | e78062f25d5f20247b57eb9ce2b94b770190fd48 | |
| parent | Allow specifiying the texture type/target (diff) | |
| download | ilt-07dc690837f6a665490e370e8a07410e970384d7.tar.bz2 ilt-07dc690837f6a665490e370e8a07410e970384d7.tar.xz ilt-07dc690837f6a665490e370e8a07410e970384d7.zip | |
Simplify calculation of texture position fraction
| -rw-r--r-- | assetFactory/assetFactory.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/assetFactory/assetFactory.cpp b/assetFactory/assetFactory.cpp index 77dd554..ed1af58 100644 --- a/assetFactory/assetFactory.cpp +++ b/assetFactory/assetFactory.cpp @@ -123,12 +123,7 @@ AssetFactory::createTexutre() const std::inserter(textureFragmentPositions, textureFragmentPositions.end()), [position = layout.begin(), image = images.begin(), size = imageSizes.begin(), outSize = glm::vec2 {outSize}](const auto & tf) mutable { - glm::vec4 positionFraction { - static_cast<float>(position->x) / outSize.x, - static_cast<float>(position->y) / outSize.y, - static_cast<float>(position->x + size->x) / outSize.x, - static_cast<float>(position->y + size->y) / outSize.y, - }; + const auto positionFraction = glm::vec4 {*position, *position + *size} / outSize.xyxy(); glTexSubImage2D(GL_TEXTURE_2D, 0, static_cast<GLint>(position->x), static_cast<GLint>(position->y), static_cast<GLint>(size->x), static_cast<GLint>(size->y), GL_RGBA, GL_UNSIGNED_BYTE, image->get()->data.data()); |