+# 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);
+`}
+
+# Entry point to OpenGL server-side capabilities
+class GLCapabilities
+
+ # GL capability: blend the computed fragment color values
+ #
+ # Foreign: GL_BLEND
+ var blend: GLCap is lazy do return new GLCap(0x0BE2)
+
+ # GL capability: cull polygons based of their winding in window coordinates
+ #
+ # Foreign: GL_CULL_FACE
+ var cull_face: GLCap is lazy do return new GLCap(0x0B44)
+
+ # GL capability: do depth comparisons and update the depth buffer
+ #
+ # Foreign: GL_DEPTH_TEST
+ var depth_test: GLCap is lazy do return new GLCap(0x0B71)
+
+ # GL capability: dither color components or indices before they are written to the color buffer
+ #
+ # Foreign: GL_DITHER
+ var dither: GLCap is lazy do return new GLCap(0x0BE2)
+
+ # GL capability: add an offset to depth values of a polygon fragment before depth test
+ #
+ # Foreign: GL_POLYGON_OFFSET_FILL
+ var polygon_offset_fill: GLCap is lazy do return new GLCap(0x8037)
+
+ # GL capability: compute a temporary coverage value where each bit is determined by the alpha value at the corresponding location
+ #
+ # Foreign: GL_SAMPLE_ALPHA_TO_COVERAGE
+ var sample_alpha_to_coverage: GLCap is lazy do return new GLCap(0x809E)
+
+ # GL capability: AND the fragment coverage with the temporary coverage value
+ #
+ # Foreign: GL_SAMPLE_COVERAGE
+ var sample_coverage: GLCap is lazy do return new GLCap(0x80A0)
+
+ # GL capability: discard fragments that are outside the scissor rectangle
+ #
+ # Foreign: GL_SCISSOR_TEST
+ var scissor_test: GLCap is lazy do return new GLCap(0x0C11)
+
+ # GL capability: do stencil testing and update the stencil buffer
+ #
+ # Foreign: GL_STENCIL_TEST
+ var stencil_test: GLCap is lazy do return new GLCap(0x0B90)
+end
+