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opengl: Invalidate cached vbo when content transform is different

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When output rotation changes, the texture size stays the same, but the
texture coordinates are no longer valid and have to be recomputed.
This commit is contained in:
Vlad Zahorodnii 2024-02-15 13:00:50 +02:00
parent c6a3d76b92
commit 5d787a4083
2 changed files with 3 additions and 1 deletions
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3
src/opengl/gltexture.cpp
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@ -349,9 +349,10 @@ void GLTexture::render(const QRectF &source, const QRegion &region, const QSizeF
}
const QSize destinationSize = targetSize.toSize(); // TODO: toSize is not enough to snap to the pixel grid, fix render() users and drop this toSize
if (targetSize != d->m_cachedSize || d->m_cachedSource != source) {
if (targetSize != d->m_cachedSize || d->m_cachedSource != source || d->m_cachedContentTransform != d->m_textureToBufferTransform) {
d->m_cachedSize = destinationSize;
d->m_cachedSource = source;
d->m_cachedContentTransform = d->m_textureToBufferTransform;
const float texWidth = (target() == GL_TEXTURE_RECTANGLE_ARB) ? width() : 1.0f;
const float texHeight = (target() == GL_TEXTURE_RECTANGLE_ARB) ? height() : 1.0f;

1
src/opengl/gltexture_p.h
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@ -54,6 +54,7 @@ public:
std::unique_ptr<GLVertexBuffer> m_vbo;
QSizeF m_cachedSize;
QRectF m_cachedSource;
OutputTransform m_cachedContentTransform;
static void initStatic();