X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fcore%2Funiformblock.h;h=1144158d2ee3ae760bb994be535b8657c9650faa;hp=18b651c7b4e498c12f2bdccba4c190dbe5c30663;hb=HEAD;hpb=9b3bce7ae76ff8c0c81315d2505ea96bf422a318 diff --git a/source/core/uniformblock.h b/source/core/uniformblock.h index 18b651c7..1144158d 100644 --- a/source/core/uniformblock.h +++ b/source/core/uniformblock.h @@ -1,68 +1,42 @@ #ifndef MSP_GL_UNIFORMBLOCK_H_ #define MSP_GL_UNIFORMBLOCK_H_ -#include #include +#include #include "bufferable.h" -#include "program.h" -#include "vector.h" +#include "reflectdata.h" +#include "uniformblock_backend.h" namespace Msp { namespace GL { -class BufferRange; -class Matrix; -class Uniform; -struct Color; - /** -Stores uniforms with a specific layout. Both named and default uniform blocks -are supported. -*/ -class UniformBlock: public NonCopyable -{ -protected: - UniformBlock() { } -public: - virtual ~UniformBlock() { } +Stores uniform values in a block of memory. - virtual void attach(const Program::UniformInfo &, const Uniform &) = 0; -}; - -/** Stores uniforms for the default uniform block. Uniforms are associated -with locations, as returned by Program::get_uniform_location. */ -class DefaultUniformBlock: public UniformBlock -{ -private: - std::vector uniforms; +For named uniform blocks the values are stored according to the reflected +layout of the block, ready for use by shaders. For the default uniform block, +the location of the uniform is multiplied by 16 to obtain the memory offset. -public: - DefaultUniformBlock(); - - virtual void attach(const Program::UniformInfo &, const Uniform &); - void attach(int, const Uniform &); - void apply() const; -}; - -/** Stores uniforms for a buffer-backed uniform block. Uniform values are -stored in a memory block which can be uploaded into a buffer and bound for use -by a Program. */ -class BufferBackedUniformBlock: public UniformBlock, public Bufferable +Applications normally don't need to deal with UniformBlocks directly. They're +managed by the ProgramData class, which provides a higher-level interface for +setting uniform values. +*/ +class UniformBlock: public UniformBlockBackend, public Bufferable { private: - unsigned size; std::vector data; public: - BufferBackedUniformBlock(unsigned); + UniformBlock(const ReflectData::UniformBlockInfo &); - virtual unsigned get_data_size() const { return size; } -private: + virtual std::size_t get_data_size() const { return data.size(); } virtual const void *get_data_pointer() const { return &data[0]; } - virtual unsigned get_alignment() const; +private: + virtual std::size_t get_alignment() const; public: - void attach(const Program::UniformInfo &, const Uniform &); + void store(const ReflectData::UniformInfo &, std::size_t, const void *); + void check_store_range(std::size_t, std::size_t); }; } // namespace GL