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z-bar-qt/Plugins/ZShell/Blobs/blobmaterial.hpp
T
2026-05-19 03:43:08 +02:00

48 lines
1.4 KiB
C++

#pragma once
#include <qcolor.h>
#include <qsgmaterial.h>
#include <qsgmaterialshader.h>
struct BlobRectData {
float cx = 0, cy = 0, hw = 0, hh = 0;
float offsetX = 0, offsetY = 0;
float minEig = 1.0f;
// Inverse of 2x2 deformation matrix, column-major for GLSL
float invDeform[4] = { 1, 0, 0, 1 };
// Screen-space AABB half-extents of the deformed rect
float screenHalfX = 0, screenHalfY = 0;
// Effective per-corner radii (tr, br, bl, tl), pre-computed on CPU
float radius[4] = { 0, 0, 0, 0 };
// Bitmask of indices in this rect's m_cachedRects that mutually exclude (or are excluded by) this rect.
// Used by the shader to skip smin between excluded pairs.
int excludeMask = 0;
};
class BlobMaterial : public QSGMaterial {
public:
QSGMaterialType* type() const override;
QSGMaterialShader* createShader(QSGRendererInterface::RenderMode) const override;
int compare(const QSGMaterial* other) const override;
float m_paddedX = 0;
float m_paddedY = 0;
float m_paddedW = 0;
float m_paddedH = 0;
float m_smoothFactor = 32.0f;
int m_rectCount = 0;
int m_myIndex = -2;
QColor m_color{ 0x44, 0x88, 0xff };
int m_hasInverted = 0;
float m_invertedRadius = 0;
float m_invertedOuter[4] = {};
float m_invertedInner[4] = {};
BlobRectData m_rects[16] = {};
};
class BlobMaterialShader : public QSGMaterialShader {
public:
BlobMaterialShader();
bool updateUniformData(RenderState& state, QSGMaterial* newMaterial, QSGMaterial* oldMaterial) override;
};