73 lines
2 KiB
C++
73 lines
2 KiB
C++
#pragma once
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#include "opengl_global.h"
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#include "OpenGLVariable.h"
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#include <map>
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namespace paysages {
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namespace opengl {
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/**
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* OpenGL variables that can be shared between shaders.
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*/
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class OPENGLSHARED_EXPORT OpenGLSharedState {
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public:
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OpenGLSharedState();
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~OpenGLSharedState();
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/**
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* Apply the stored variables to the bound program.
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*/
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void apply(OpenGLShaderProgram *program, unsigned int &texture_unit);
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/**
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* Release any allocated resource in the opengl context.
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*
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* Must be called in the opengl rendering thread, and before the destructor is called.
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*/
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void destroy(OpenGLFunctions *functions);
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/**
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* Get or create a variable in the state.
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*/
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OpenGLVariable *get(const string &name);
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// Shortcuts
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inline void setInt(const string &name, int value) {
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get(name)->set(value);
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}
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inline void set(const string &name, float value) {
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get(name)->set(value);
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}
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inline void set(const string &name, const Texture2D *texture, bool repeat = false, bool color = true) {
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get(name)->set(texture, repeat, color);
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}
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inline void set(const string &name, const QImage &texture, bool repeat = false, bool color = true) {
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get(name)->set(texture, repeat, color);
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}
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inline void set(const string &name, const Texture3D *texture, bool repeat = false, bool color = true) {
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get(name)->set(texture, repeat, color);
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}
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inline void set(const string &name, const Texture4D *texture, bool repeat = false, bool color = true) {
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get(name)->set(texture, repeat, color);
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}
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inline void set(const string &name, const Vector3 &vector) {
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get(name)->set(vector);
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}
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inline void set(const string &name, const Matrix4 &matrix) {
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get(name)->set(matrix);
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}
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inline void set(const string &name, const Color &color) {
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get(name)->set(color);
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}
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inline void set(const string &name, const FractalNoise &noise) {
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get(name)->set(noise);
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}
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private:
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map<string, OpenGLVariable *> variables;
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};
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}
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}
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