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Diffstat (limited to 'src/mbgl/gl/enum.cpp')
| -rw-r--r-- | src/mbgl/gl/enum.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/mbgl/gl/enum.cpp b/src/mbgl/gl/enum.cpp new file mode 100644 index 0000000000..87b3a96284 --- /dev/null +++ b/src/mbgl/gl/enum.cpp @@ -0,0 +1,97 @@ +#include <mbgl/gl/enum.hpp> +#include <mbgl/gfx/types.hpp> +#include <mbgl/gl/defines.hpp> + +namespace mbgl { +namespace gl { + +// template <> +// gfx::PrimitiveType Enum::from(const platform::GLint value) { + +// } + +// template <> +// platform::GLenum Enum::to(const gfx::PrimitiveType value) { + +// } + +template <> +platform::GLenum Enum<gfx::PrimitiveType>::to(const gfx::PrimitiveType value) { + switch (value) { + case gfx::PrimitiveType::Points: return GL_POINTS; + case gfx::PrimitiveType::Lines: return GL_LINES; + case gfx::PrimitiveType::LineLoop: return GL_LINE_LOOP; + case gfx::PrimitiveType::LineStrip: return GL_LINE_STRIP; + case gfx::PrimitiveType::Triangles: return GL_TRIANGLES; + case gfx::PrimitiveType::TriangleStrip: return GL_TRIANGLE_STRIP; + case gfx::PrimitiveType::TriangleFan: return GL_TRIANGLE_FAN; + } + return GL_INVALID_ENUM; +} + +template <> +gfx::ColorBlendEquationType Enum<gfx::ColorBlendEquationType>::from(const platform::GLint value) { + switch (value) { + case GL_FUNC_ADD: return gfx::ColorBlendEquationType::Add; + case GL_FUNC_SUBTRACT: return gfx::ColorBlendEquationType::Subtract; + case GL_FUNC_REVERSE_SUBTRACT: return gfx::ColorBlendEquationType::ReverseSubtract; + } + return {}; +} + +template <> +platform::GLenum Enum<gfx::ColorBlendEquationType>::to(const gfx::ColorBlendEquationType value) { + switch (value) { + case gfx::ColorBlendEquationType::Add: return GL_FUNC_ADD; + case gfx::ColorBlendEquationType::Subtract: return GL_FUNC_SUBTRACT; + case gfx::ColorBlendEquationType::ReverseSubtract: return GL_FUNC_REVERSE_SUBTRACT; + } + return GL_INVALID_ENUM; +} + +template <> +gfx::ColorBlendFactorType Enum<gfx::ColorBlendFactorType>::from(const platform::GLint blendFactor) { + switch (blendFactor) { + case GL_ZERO: return gfx::ColorBlendFactorType::Zero; + case GL_ONE: return gfx::ColorBlendFactorType::One; + case GL_SRC_COLOR: return gfx::ColorBlendFactorType::SrcColor; + case GL_ONE_MINUS_SRC_COLOR: return gfx::ColorBlendFactorType::OneMinusSrcColor; + case GL_DST_COLOR: return gfx::ColorBlendFactorType::DstColor; + case GL_ONE_MINUS_DST_COLOR: return gfx::ColorBlendFactorType::OneMinusDstColor; + case GL_SRC_ALPHA: return gfx::ColorBlendFactorType::SrcAlpha; + case GL_ONE_MINUS_SRC_ALPHA: return gfx::ColorBlendFactorType::OneMinusSrcAlpha; + case GL_DST_ALPHA: return gfx::ColorBlendFactorType::DstAlpha; + case GL_ONE_MINUS_DST_ALPHA: return gfx::ColorBlendFactorType::OneMinusDstAlpha; + case GL_CONSTANT_COLOR: return gfx::ColorBlendFactorType::ConstantColor; + case GL_ONE_MINUS_CONSTANT_COLOR: return gfx::ColorBlendFactorType::OneMinusConstantColor; + case GL_CONSTANT_ALPHA: return gfx::ColorBlendFactorType::ConstantAlpha; + case GL_ONE_MINUS_CONSTANT_ALPHA: return gfx::ColorBlendFactorType::OneMinusConstantAlpha; + case GL_SRC_ALPHA_SATURATE: return gfx::ColorBlendFactorType::SrcAlphaSaturate; + } + return {}; +} + +template <> +platform::GLenum Enum<gfx::ColorBlendFactorType>::to(const gfx::ColorBlendFactorType value) { + switch (value) { + case gfx::ColorBlendFactorType::Zero: return GL_ZERO; + case gfx::ColorBlendFactorType::One: return GL_ONE; + case gfx::ColorBlendFactorType::SrcColor: return GL_SRC_COLOR; + case gfx::ColorBlendFactorType::OneMinusSrcColor: return GL_ONE_MINUS_SRC_COLOR; + case gfx::ColorBlendFactorType::DstColor: return GL_DST_COLOR; + case gfx::ColorBlendFactorType::OneMinusDstColor: return GL_ONE_MINUS_DST_COLOR; + case gfx::ColorBlendFactorType::SrcAlpha: return GL_SRC_ALPHA; + case gfx::ColorBlendFactorType::OneMinusSrcAlpha: return GL_ONE_MINUS_SRC_ALPHA; + case gfx::ColorBlendFactorType::DstAlpha: return GL_DST_ALPHA; + case gfx::ColorBlendFactorType::OneMinusDstAlpha: return GL_ONE_MINUS_DST_ALPHA; + case gfx::ColorBlendFactorType::ConstantColor: return GL_CONSTANT_COLOR; + case gfx::ColorBlendFactorType::OneMinusConstantColor: return GL_ONE_MINUS_CONSTANT_COLOR; + case gfx::ColorBlendFactorType::ConstantAlpha: return GL_CONSTANT_ALPHA; + case gfx::ColorBlendFactorType::OneMinusConstantAlpha: return GL_ONE_MINUS_CONSTANT_ALPHA; + case gfx::ColorBlendFactorType::SrcAlphaSaturate: return GL_SRC_ALPHA_SATURATE; + } + return GL_INVALID_ENUM; +} + +} // namespace gl +} // namespace mbgl |