+
+ # OpenGL server-side capabilities
+ var capabilities = new GLCapabilities is lazy
+end
+
+# Bind `framebuffer` to a framebuffer target
+#
+# In OpenGL ES 2.0, `target` must be `gl_FRAMEBUFFER`.
+fun glBindFramebuffer(target: GLFramebufferTarget, framebuffer: Int) `{
+ glBindFramebuffer(target, framebuffer);
+`}
+
+# Target of `glBindFramebuffer`
+extern class GLFramebufferTarget
+ super GLEnum
+end
+
+# Target both reading and writing on the framebuffer with `glBindFramebuffer`
+fun gl_FRAMEBUFFER: GLFramebufferTarget `{ return GL_FRAMEBUFFER; `}
+
+# Bind `renderbuffer` to a renderbuffer target
+#
+# In OpenGL ES 2.0, `target` must be `gl_RENDERBUFFER`.
+fun glBindRenderbuffer(target: GLRenderbufferTarget, renderbuffer: Int) `{
+ glBindRenderbuffer(target, renderbuffer);
+`}
+
+# Target of `glBindRenderbuffer`
+extern class GLRenderbufferTarget
+ super GLEnum
+end
+
+# Target a renderbuffer with `glBindRenderbuffer`
+fun gl_RENDERBUFFER: GLRenderbufferTarget `{ return GL_RENDERBUFFER; `}
+
+# Specify implementation specific hints
+fun glHint(target: GLHintTarget, mode: GLHintMode) `{
+ glHint(target, mode);
+`}
+
+# 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; `}
+
+# 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)