Wed, 25 May 2022 20:36:34 +0300
Fix pick() picking from weird places on the screen with high DPI scaling
glReadPixels reads data from the frame buffer, which contains data after
high DPI scaling, so any reads to that need to take this scaling into account
#ifndef VERTEXPROGRAM_H #define VERTEXPROGRAM_H #include "basicshaderprogram.h" class Document; class VertexProgram : public AbstractBasicShaderProgram { public: enum FragmentStyle { Normal, Id }; struct Vertex { glm::vec3 position; glm::vec3 color; }; VertexProgram(QObject* parent = nullptr); void build(const Document* document); protected: const char* vertexShaderSource() const override; const char* fragmentShaderSource() const override; const void* vertexData() const override; int vertexSize() const override; int vertexCount() const override; void setupVertexArrays() override; GLenum drawMode() const override; QOpenGLBuffer::UsagePattern usagePattern() const override; void setFragmentStyle(FragmentStyle newFragmentStyle); private: std::vector<Vertex> data; FragmentStyle fragmentStyle = Normal; }; #endif // VERTEXPROGRAM_H