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#pragma once
#include "IGfxCapabilities.h"
namespace nCine
{
/// Stores and retrieves runtime OpenGL device capabilities
class GfxCapabilities : public IGfxCapabilities
{
public:
GfxCapabilities();
std::int32_t GetGLVersion(GLVersion version) const override;
inline const GLInfoStrings& GetGLInfoStrings() const override {
return glInfoStrings_;
}
std::int32_t GetValue(GLIntValues valueName) const override;
std::int32_t GetArrayValue(GLArrayIntValues valueName, std::uint32_t index) const override;
bool HasExtension(GLExtensions extensionName) const override;
private:
std::int32_t glMajorVersion_;
std::int32_t glMinorVersion_;
/// The OpenGL release version number (not available in OpenGL ES)
std::int32_t glReleaseVersion_;
GLInfoStrings glInfoStrings_;
/// Array of OpenGL integer values
std::int32_t glIntValues_[std::int32_t(IGfxCapabilities::GLIntValues::Count)];
/// Array of OpenGL extension availability flags
bool glExtensions_[std::int32_t(IGfxCapabilities::GLExtensions::Count)];
static constexpr std::int32_t MaxProgramBinaryFormats = 4;
std::int32_t programBinaryFormats_[MaxProgramBinaryFormats];
/// Queries the device about its runtime graphics capabilities
void Init();
/// Checks for OpenGL extensions availability
void CheckGLExtensions(const char* extensionNames[], bool results[], std::uint32_t numExtensionsToCheck) const;
};
}
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