Adding ViroKit. Needs AWSCore :(
This commit is contained in:
John Lyon-Smith
348
mobile/ios/ViroKit.framework/Headers/VROUniform.h
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348
mobile/ios/ViroKit.framework/Headers/VROUniform.h
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//
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// VROUniform.h
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// ViroRenderer
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//
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// Created by Raj Advani on 10/14/16.
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// Copyright © 2016 Viro Media. All rights reserved.
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//
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#ifndef VROUNIFORM_H_
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#define VROUNIFORM_H_
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#include <string>
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#include <memory>
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#include "VROVector3f.h"
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#include "VROVector4f.h"
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#include "VROMatrix4f.h"
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#include "VROLog.h"
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#include "VROOpenGL.h"
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class VROShaderModifier;
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class VROGeometry;
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class VROMaterial;
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/*
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The various types of properties that may be set for a shader.
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*/
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enum class VROShaderProperty {
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Bool,
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Int,
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Float,
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Vec2,
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Vec3,
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Vec4,
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BVec2,
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BVec3,
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BVec4,
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IVec2,
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IVec3,
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IVec4,
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Mat2,
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Mat3,
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Mat4
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};
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/*
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Wraps around a uniform variable, holding its location in the shader and the glUniform
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function needed to set its value.
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*/
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class VROUniform {
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public:
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static VROUniform *newUniformForType(const std::string &name, VROShaderProperty type, int arraySize);
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VROUniform(const std::string &name) :
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_name(name),
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_location(-1) {
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}
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virtual ~VROUniform() {}
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const std::string getName() const {
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return _name;
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}
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virtual void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) = 0;
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inline void setLocation(int location) {
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this->_location = location;
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}
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virtual void reset() {
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//sublcass to reset any cached value
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}
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void setVec3(VROVector3f value) {
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if (_location == -1) {
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return;
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}
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glUniform3f(_location, value.x, value.y, value.z);
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}
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void setVec4(VROVector4f value) {
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if (_location == -1) {
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return;
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}
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glUniform4f(_location, value.x, value.y, value.z, value.w);
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}
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void setMat4(VROMatrix4f value) {
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if (_location == -1) {
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return;
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}
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glUniformMatrix4fv(_location, 1, GL_FALSE, value.getArray());
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}
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void setInt(int value) {
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if (_location == -1) {
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return;
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}
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glUniform1i(_location, value);
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}
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void setFloat(float value) {
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if (_location == -1) {
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return;
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}
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glUniform1f(_location, value);
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}
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protected:
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int _location;
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private:
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const std::string _name;
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};
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class VROUniform1i: public VROUniform {
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public:
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VROUniform1i(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize), _curValue(0) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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if (_location == -1) {
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return;
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}
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GLint *val = (GLint *) value;
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if (*val != _curValue) {
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glUniform1iv(_location, _arraySize, val);
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_curValue = *val;
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}
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}
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void reset() {
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_curValue = 0;
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}
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private:
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const int _arraySize;
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int _curValue;
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};
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class VROUniform2i: public VROUniform {
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public:
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VROUniform2i(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniform2iv(_location, _arraySize, (GLint *) value);
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}
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private:
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const int _arraySize;
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};
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class VROUniform3i: public VROUniform {
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public:
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VROUniform3i(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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passert (_location != -1);
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glUniform3iv(_location, _arraySize, (GLint *) value);
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}
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private:
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const int _arraySize;
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};
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class VROUniform4i: public VROUniform {
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public:
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VROUniform4i(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniform4iv(_location, _arraySize, (GLint *) value);
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}
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private:
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const int _arraySize;
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};
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class VROUniform1f: public VROUniform {
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public:
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VROUniform1f(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize), _curValue(9999) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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if (_location == -1) {
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return;
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}
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GLfloat *val = (GLfloat *) value;
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if (_arraySize > 1 || *val != _curValue) {
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glUniform1f(_location, *val);
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_curValue = *val;
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}
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}
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void reset() {
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_curValue = 9999;
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}
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private:
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const int _arraySize;
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float _curValue;
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};
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class VROUniform2f: public VROUniform {
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public:
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VROUniform2f(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniform2fv(_location, _arraySize, (GLfloat *) value);
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}
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private:
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const int _arraySize;
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};
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class VROUniform3f: public VROUniform {
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public:
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VROUniform3f(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize) {
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_curValue[0] = 0;
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_curValue[1] = 0;
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_curValue[2] = 0;
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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if (_location == -1) {
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return;
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}
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GLfloat *val = (GLfloat *) value;
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if (_arraySize > 1 || memcmp(val, _curValue, sizeof(GLfloat) * 3) != 0) {
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glUniform3fv(_location, _arraySize, val);
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memcpy(_curValue, val, sizeof(GLfloat) * 3);
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}
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}
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void getCurrentValue(void *result) {
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memcpy(result, _curValue, sizeof(float) * 3);
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}
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void reset() {
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_curValue[0] = 0;
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_curValue[1] = 0;
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_curValue[2] = 0;
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}
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private:
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const int _arraySize;
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GLfloat _curValue[3];
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};
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class VROUniform4f: public VROUniform {
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public:
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VROUniform4f(const std::string &name, int arraySize) :
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VROUniform(name), _arraySize(arraySize) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniform4fv(_location, _arraySize, (GLfloat *) value);
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}
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private:
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const int _arraySize;
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};
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class VROUniformMat2: public VROUniform {
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public:
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VROUniformMat2(const std::string &name) :
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VROUniform(name) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniformMatrix2fv(_location, 1, GL_FALSE, (GLfloat *) value);
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}
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};
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class VROUniformMat3: public VROUniform {
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public:
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VROUniformMat3(const std::string &name) :
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VROUniform(name) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniformMatrix3fv(_location, 1, GL_FALSE, (GLfloat *) value);
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}
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};
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class VROUniformMat4: public VROUniform {
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public:
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VROUniformMat4(const std::string &name) :
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VROUniform(name) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material) {
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//passert (_location != -1);
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glUniformMatrix4fv(_location, 1, GL_FALSE, (GLfloat *) value);
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}
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};
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class VROUniformShaderModifier : public VROUniform {
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public:
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VROUniformShaderModifier(const std::string &name, std::shared_ptr<VROShaderModifier> modifier) :
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VROUniform(name),
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_modifier(modifier) {
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}
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void set(const void *value, const VROGeometry *geometry, const VROMaterial *material);
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private:
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std::shared_ptr<VROShaderModifier> _modifier;
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};
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#endif
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