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Diffstat (limited to 'external/include/glm/detail/type_float.hpp')
| -rw-r--r-- | external/include/glm/detail/type_float.hpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/external/include/glm/detail/type_float.hpp b/external/include/glm/detail/type_float.hpp new file mode 100644 index 0000000..900a3fb --- /dev/null +++ b/external/include/glm/detail/type_float.hpp @@ -0,0 +1,67 @@ +/// @ref core +/// @file glm/detail/type_float.hpp + +#pragma once + +#include "setup.hpp" + +namespace glm{ +namespace detail +{ + typedef float float32; + typedef double float64; +}//namespace detail + + typedef float lowp_float_t; + typedef float mediump_float_t; + typedef double highp_float_t; + + /// @addtogroup core_precision + /// @{ + + /// Low precision floating-point numbers. + /// There is no guarantee on the actual precision. + /// + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a> + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a> + typedef lowp_float_t lowp_float; + + /// Medium precision floating-point numbers. + /// There is no guarantee on the actual precision. + /// + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a> + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a> + typedef mediump_float_t mediump_float; + + /// High precision floating-point numbers. + /// There is no guarantee on the actual precision. + /// + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.1.4 Floats</a> + /// @see <a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 4.7.2 Precision Qualifier</a> + typedef highp_float_t highp_float; + +#if(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT)) + typedef mediump_float float_t; +#elif(defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT)) + typedef highp_float float_t; +#elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && defined(GLM_PRECISION_MEDIUMP_FLOAT) && !defined(GLM_PRECISION_LOWP_FLOAT)) + typedef mediump_float float_t; +#elif(!defined(GLM_PRECISION_HIGHP_FLOAT) && !defined(GLM_PRECISION_MEDIUMP_FLOAT) && defined(GLM_PRECISION_LOWP_FLOAT)) + typedef lowp_float float_t; +#else +# error "GLM error: multiple default precision requested for floating-point types" +#endif + + typedef float float32; + typedef double float64; + +//////////////////// +// check type sizes +#ifndef GLM_STATIC_ASSERT_NULL + GLM_STATIC_ASSERT(sizeof(glm::float32) == 4, "float32 size isn't 4 bytes on this platform"); + GLM_STATIC_ASSERT(sizeof(glm::float64) == 8, "float64 size isn't 8 bytes on this platform"); +#endif//GLM_STATIC_ASSERT_NULL + + /// @} + +}//namespace glm |