+++ /dev/null
-#ifndef MSP_GL_UNIFORM_H_
-#define MSP_GL_UNIFORM_H_
-
-#include <algorithm>
-#include "program.h"
-
-namespace Msp {
-namespace GL {
-
-class Uniform
-{
-protected:
- Uniform() { }
-private:
- Uniform(const Uniform &);
- Uniform &operator=(const Uniform &);
-public:
- virtual ~Uniform() { }
-
- virtual void apply(int) const = 0;
- virtual void store(const Program::UniformInfo &, void *) const = 0;
- virtual Uniform *clone() const = 0;
-};
-
-
-template<typename T>
-class UniformScalar: public Uniform
-{
-public:
- typedef T BaseType;
- typedef T Type;
-
-private:
- Type value;
-
-public:
- UniformScalar(Type v): value(v) { }
-
- Type get() const { return value; }
-
- virtual void apply(int index) const
- { apply(index, 1, &value); }
-
- static void apply(int, unsigned, const T *);
-
- virtual void store(const Program::UniformInfo &info, void *buffer) const
- { store(info, buffer, &value); }
-
- static void store(const Program::UniformInfo &, void *buffer, const T *value)
- { *reinterpret_cast<T *>(buffer) = *value; }
-
- virtual UniformScalar *clone() const
- { return new UniformScalar(value); }
-};
-
-typedef UniformScalar<int> Uniform1i;
-typedef UniformScalar<float> Uniform1f;
-
-
-template<typename T, unsigned vecsize>
-class UniformVector: public Uniform
-{
-public:
- typedef T BaseType;
- typedef T Type[vecsize];
-
-private:
- Type value;
-
-public:
- UniformVector(const T *vp)
- { std::copy(vp, vp+vecsize, value); }
-
- BaseType get(unsigned i) const { return value[i]; }
-
- virtual void apply(int index) const
- { apply(index, 1, value); }
-
- static void apply(int index, unsigned size, const T *value);
-
- virtual void store(const Program::UniformInfo &info, void *buffer) const
- { store(info, buffer, value); }
-
- static void store(const Program::UniformInfo &, void *buffer, const T *value)
- { std::copy(value, value+vecsize, reinterpret_cast<T *>(buffer)); }
-
- virtual UniformVector *clone() const
- { return new UniformVector(value); }
-};
-
-typedef UniformVector<int, 2> Uniform2i;
-typedef UniformVector<float, 2> Uniform2f;
-typedef UniformVector<int, 3> Uniform3i;
-typedef UniformVector<float, 3> Uniform3f;
-typedef UniformVector<int, 4> Uniform4i;
-typedef UniformVector<float, 4> Uniform4f;
-
-
-template<typename T, unsigned rows, unsigned cols>
-class UniformMatrix: public Uniform
-{
-public:
- typedef T BaseType;
- typedef T Type[rows*cols];
-
-private:
- Type value;
-
-public:
- UniformMatrix(const T *vp)
- { std::copy(vp, vp+rows*cols, value); }
-
- virtual void apply(int index) const
- { apply(index, 1, value); }
-
- static void apply(int index, unsigned size, const T *value);
-
- virtual void store(const Program::UniformInfo &info, void *buffer) const
- { store(info, buffer, value); }
-
- static void store(const Program::UniformInfo &info, void *buffer, const T *value)
- {
- for(unsigned i=0; i<cols; ++i)
- UniformVector<T, rows>::store(info, reinterpret_cast<char *>(buffer)+i*info.matrix_stride, value+i*rows);
- }
-
- virtual UniformMatrix *clone() const
- { return new UniformMatrix(value); }
-};
-
-// The naming of these types follows the OpenGL convention of columns x rows
-typedef UniformMatrix<float, 2, 2> UniformMatrix2x2f;
-typedef UniformMatrix<float, 2, 3> UniformMatrix3x2f;
-typedef UniformMatrix<float, 2, 4> UniformMatrix4x2f;
-typedef UniformMatrix<float, 3, 2> UniformMatrix2x3f;
-typedef UniformMatrix<float, 3, 3> UniformMatrix3x3f;
-typedef UniformMatrix<float, 3, 4> UniformMatrix4x3f;
-typedef UniformMatrix<float, 4, 2> UniformMatrix2x4f;
-typedef UniformMatrix<float, 4, 3> UniformMatrix3x4f;
-typedef UniformMatrix<float, 4, 4> UniformMatrix4x4f;
-
-
-template<typename T>
-class UniformArray: public Uniform
-{
-private:
- typedef typename T::BaseType BaseType;
- enum { elemsize = sizeof(typename T::Type)/sizeof(typename T::BaseType) };
-
- BaseType *values;
- unsigned size;
-
-public:
- UniformArray(unsigned n, const BaseType *vp):
- size(n)
- {
- values = new BaseType[elemsize*size];
- std::copy(vp, vp+elemsize*size, values);
- }
-
- ~UniformArray()
- {
- delete[] values;
- }
-
- virtual void apply(int index) const
- { T::apply(index, size, values); }
-
- virtual void store(const Program::UniformInfo &info, void *buffer) const
- {
- for(unsigned i=0; i<size; ++i)
- T::store(info, reinterpret_cast<char *>(buffer)+i*info.array_stride, values+i*elemsize);
- }
-
- virtual UniformArray *clone() const
- { return new UniformArray(size, values); }
-};
-
-} // namespace GL
-} // namespace Msp
-
-#endif