+# Specify implementation specific hints
+fun glHint(target: GLHintTarget, mode: GLHintMode) `{
+ glHint(target, mode);
+`}
+
+# Generate and fill set of mipmaps for the texture object `target`
+fun glGenerateMipmap(target: GLTextureTarget) `{ glGenerateMipmap(target); `}
+
+# Bind the named `buffer` object
+fun glBindBuffer(target: GLArrayBuffer, buffer: Int) `{ glBindBuffer(target, buffer); `}
+
+# Target to which bind the buffer with `glBindBuffer`
+extern class GLArrayBuffer
+ super GLEnum
+end
+
+# Array buffer target
+fun gl_ARRAY_BUFFER: GLArrayBuffer `{ return GL_ARRAY_BUFFER; `}
+
+# Element array buffer
+fun gl_ELEMENT_ARRAY_BUFFER: GLArrayBuffer `{ return GL_ELEMENT_ARRAY_BUFFER; `}
+
+# Completeness status of a framebuffer object
+fun glCheckFramebufferStatus(target: GLFramebufferTarget): GLFramebufferStatus `{
+ return glCheckFramebufferStatus(target);
+`}
+
+# Return value of `glCheckFramebufferStatus`
+extern class GLFramebufferStatus
+ super GLEnum
+
+ redef fun to_s
+ do
+ if self == gl_FRAMEBUFFER_COMPLETE then return "complete"
+ if self == gl_FRAMEBUFFER_INCOMPLETE_ATTACHMENT then return "incomplete attachment"
+ if self == gl_FRAMEBUFFER_INCOMPLETE_DIMENSIONS then return "incomplete dimension"
+ if self == gl_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT then return "incomplete missing attachment"
+ if self == gl_FRAMEBUFFER_UNSUPPORTED then return "unsupported"
+ return "unknown"
+ end
+end
+
+# The framebuffer is complete
+fun gl_FRAMEBUFFER_COMPLETE: GLFramebufferStatus `{
+ return GL_FRAMEBUFFER_COMPLETE;
+`}
+
+# Not all framebuffer attachment points are framebuffer attachment complete
+fun gl_FRAMEBUFFER_INCOMPLETE_ATTACHMENT: GLFramebufferStatus `{
+ return GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT;
+`}
+
+# Not all attached images have the same width and height
+fun gl_FRAMEBUFFER_INCOMPLETE_DIMENSIONS: GLFramebufferStatus `{
+ return GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS;
+`}
+
+# No images are attached to the framebuffer
+fun gl_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT: GLFramebufferStatus `{
+ return GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT;
+`}
+
+# The combination of internal formats of the attached images violates an implementation-dependent set of restrictions
+fun gl_FRAMEBUFFER_UNSUPPORTED: GLFramebufferStatus `{
+ return GL_FRAMEBUFFER_UNSUPPORTED;
+`}
+
+# Hint target for `glHint`
+extern class GLHintTarget
+ super GLEnum
+end
+
+# Indicates the quality of filtering when generating mipmap images
+fun gl_GENERATE_MIPMAP_HINT: GLHintTarget `{ return GL_GENERATE_MIPMAP_HINT; `}
+
+# Hint mode for `glHint`
+extern class GLHintMode
+ super GLEnum
+end
+
+# The most efficient option should be chosen
+fun gl_FASTEST: GLHintMode `{ return GL_FASTEST; `}
+
+# The most correct, or highest quality, option should be chosen
+fun gl_NICEST: GLHintMode `{ return GL_NICEST; `}
+
+# No preference
+fun gl_DONT_CARE: GLHintMode `{ return GL_DONT_CARE; `}
+
+# Generate `n` framebuffer object names
+fun glGenFramebuffers(n: Int): Array[Int]
+do
+ var array = new CIntArray(n)
+ native_glGenFramebuffers(n, array.native_array)
+ var a = array.to_a
+ array.destroy
+ return a
+end
+
+private fun native_glGenFramebuffers(n: Int, textures: NativeCIntArray) `{
+ glGenFramebuffers(n, (GLuint *)textures);
+`}
+
+# Determine if `name` corresponds to a framebuffer object
+fun glIsFramebuffer(name: Int): Bool `{
+ return glIsFramebuffer(name);
+`}
+
+# Delete named framebuffer objects
+fun glDeleteFramebuffers(framebuffers: SequenceRead[Int])
+do
+ var n = framebuffers.length
+ var array = new CIntArray.from(framebuffers)
+ native_glDeleteFramebuffers(n, array.native_array)
+ array.destroy
+end
+
+private fun native_glDeleteFramebuffers(n: Int, framebuffers: NativeCIntArray) `{
+ return glDeleteFramebuffers(n, (const GLuint *)framebuffers);
+`}
+
+# Attach a level of a texture object as a logical buffer to the currently bound framebuffer object
+fun glFramebufferTexture2D(target: GLFramebufferTarget, attachment: GLAttachment,
+ texture_target: GLTextureTarget, texture, level: Int) `{
+ glFramebufferTexture2D(target, attachment, texture_target, texture, level);
+`}
+