1 files changed, 82 insertions, 0 deletions
diff --git a/src/mbgl/gl/types.hpp b/src/mbgl/gl/types.hpp
index 94426f5e36..8578a11f66 100644
--- a/src/mbgl/gl/types.hpp
+++ b/src/mbgl/gl/types.hpp
@@ -5,6 +5,7 @@
 namespace mbgl {
 namespace gl {
 
+// Mapping based on https://www.opengl.org/wiki/OpenGL_Type
 using ProgramID = uint32_t;
 using ShaderID = uint32_t;
 using BufferID = uint32_t;
@@ -13,5 +14,86 @@ using VertexArrayID = uint32_t;
 using FramebufferID = uint32_t;
 using RenderbufferID = uint32_t;
 
+using AttributeLocation = int32_t;
+using UniformLocation = int32_t;
+using TextureUnit = uint8_t;
+
+using DepthValue = double;
+using StencilValue = int32_t;
+using StencilMaskValue = uint32_t;
+
+enum class BufferType : uint32_t {
+    Vertex = 0x8892,
+    Element = 0x8893
+};
+
+enum class StencilTestFunction : uint32_t {
+    Never = 0x0200,
+    Less = 0x0201,
+    Equal = 0x0202,
+    LessEqual = 0x0203,
+    Greater = 0x0204,
+    NotEqual = 0x0205,
+    GreaterEqual = 0x0206,
+    Always = 0x0207,
+};
+
+enum class StencilTestOperation : uint32_t {
+    Keep = 0x1E00,
+    Zero = 0x0000,
+    Replace = 0x1E01,
+    Increment = 0x1E02,
+    IncrementWrap = 0x8507,
+    Decrement = 0x1E03,
+    DecrementWrap = 0x8508,
+    Invert = 0x150A,
+};
+
+enum class DepthTestFunction : uint32_t {
+    Never = 0x0200,
+    Less = 0x0201,
+    Equal = 0x0202,
+    LessEqual = 0x0203,
+    Greater = 0x0204,
+    NotEqual = 0x0205,
+    GreaterEqual = 0x0206,
+    Always = 0x0207,
+};
+
+enum class BlendSourceFactor : uint32_t {
+    Zero = 0x0000,
+    One = 0x0001,
+    SrcColor = 0x0300,
+    OneMinusSrcColor = 0x0301,
+    DstColor = 0x0306,
+    OneMinusDstColor = 0x0307,
+    SrcAlpha = 0x0302,
+    OneMinusSrcAlpha = 0x0303,
+    DstAlpha = 0x0304,
+    OneMinusDstAlpha = 0x0305,
+    ConstantColor = 0x8001,
+    OneMinusConstantColor = 0x8002,
+    ConstantAlpha = 0x8003,
+    OneMinusConstantAlpha = 0x8004,
+    SrcAlphaSaturate = 0x0308,
+};
+
+enum class BlendDestinationFactor : uint32_t {
+    Zero = 0x0000,
+    One = 0x0001,
+    SrcColor = 0x0300,
+    OneMinusSrcColor = 0x0301,
+    DstColor = 0x0306,
+    OneMinusDstColor = 0x0307,
+    SrcAlpha = 0x0302,
+    OneMinusSrcAlpha = 0x0303,
+    DstAlpha = 0x0304,
+    OneMinusDstAlpha = 0x0305,
+    ConstantColor = 0x8001,
+    OneMinusConstantColor = 0x8002,
+    ConstantAlpha = 0x8003,
+    OneMinusConstantAlpha = 0x8004,
+};
+
 } // namespace gl
 } // namespace mbgl