NOTICE: update dates and authors.

[nit.git] / lib / egl.nit

diff --git a/lib/egl.nit b/lib/egl.nit
index ab7d9c5..e349a0d 100644 (file)
--- a/lib/egl.nit
+++ b/lib/egl.nit
@@ -21,7 +21,7 @@
 # C library. If a method or class is not documented in Nit, refer to
 # the official documentation by the Khronos Group at:
 # http://www.khronos.org/registry/egl/sdk/docs/man/xhtml/
-module egl is pkgconfig("egl")
+module egl is pkgconfig
 
 in "C Header" `{
        #include <EGL/egl.h>
@@ -62,7 +62,7 @@ extern class EGLDisplay `{ EGLDisplay `}
        #fun get_configs: nullable Array[EGLConfig] import Array[EGLConfig].with_native `{
 
        # Returns some configs compatible with the specified `attributes`
-       fun choose_configs(attribs: Array[Int]): nullable Array[EGLConfig] import Array[Int].length, Array[Int].[], Array[EGLConfig], Array[EGLConfig].add, Array[EGLConfig] as nullable, report_egl_error `{
+       fun choose_configs(attribs: Array[Int]): nullable Array[EGLConfig] import Array[Int].length, Array[Int].[], Array[EGLConfig], Array[EGLConfig].add, Array[EGLConfig].as nullable, report_egl_error `{
                EGLConfig *configs;
                int n_configs;
                int n_attribs = Array_of_Int_length(attribs);
@@ -208,9 +208,81 @@ class EGLConfigAttribs
        var display: EGLDisplay
        var config: EGLConfig
 
+       fun buffer_size: Int do return display.config_attrib(config, "3020".to_hex)
        fun alpha_size: Int do return display.config_attrib(config, "3021".to_hex)
+       fun blue_size: Int do return display.config_attrib(config, "3022".to_hex)
+       fun green_size: Int do return display.config_attrib(config, "3023".to_hex)
+       fun red_size: Int do return display.config_attrib(config, "3024".to_hex)
+       fun depth_size: Int do return display.config_attrib(config, "3025".to_hex)
+       fun stencil_size: Int do return display.config_attrib(config, "3026".to_hex)
+
        fun native_visual_id: Int do return display.config_attrib(config, "302E".to_hex)
        fun native_visual_type: Int do return display.config_attrib(config, "302F".to_hex)
+
+       fun caveat: EGLConfigCaveat do
+               return new EGLConfigCaveat.from_i(display.config_attrib(config, "3027".to_hex))
+       end
+
+       fun conformant: EGLConformant do
+               return new EGLConformant.from_i(display.config_attrib(config, "3042".to_hex))
+       end
+end
+
+extern class EGLConfigCaveat `{ EGLint `}
+       new from_i(val: Int) `{ return (EGLint)val; `}
+       fun to_i: Int `{ return recv; `}
+
+       new none `{ return EGL_NONE; `}
+       fun is_none: Bool `{ return recv == EGL_NONE; `}
+
+       new dont_care `{ return EGL_DONT_CARE; `}
+       fun is_dont_care: Bool `{ return recv == EGL_DONT_CARE; `}
+
+       new slow `{ return EGL_SLOW_CONFIG; `}
+       fun is_slow: Bool `{ return recv == EGL_SLOW_CONFIG; `}
+
+       # Obselete since EGL 1.3, use EGL_CONFORMANT instead
+       new non_conformant `{ return EGL_NON_CONFORMANT_CONFIG; `}
+       fun is_non_conformant: Bool `{ return recv == EGL_NON_CONFORMANT_CONFIG; `}
+
+       redef fun to_s
+       do
+               if is_none then return "EGL_NONE"
+               if is_dont_care then return "EGL_DONT_CARE"
+               if is_slow then return "EGL_SLOW_CONFIG"
+               if is_non_conformant then return "EGL_NON_CONFORMANT"
+               return "Unknown or invalid value"
+       end
+end
+
+extern class EGLConformant `{ EGLint `}
+       new `{ return (EGLint)0; `}
+       new from_i(val: Int) `{ return (EGLint)val; `}
+       fun to_i: Int `{ return recv; `}
+
+       fun opengl: Bool `{ return recv & EGL_OPENGL_BIT; `}
+       fun with_opengl: EGLConformant `{ return recv | EGL_OPENGL_BIT; `}
+
+       fun opengl_es: Bool `{ return recv & EGL_OPENGL_ES_BIT; `}
+       fun with_opengl_es: EGLConformant `{ return recv | EGL_OPENGL_ES_BIT; `}
+
+       fun opengl_es2: Bool `{ return recv & EGL_OPENGL_ES2_BIT; `}
+       fun with_opengl_es2: EGLConformant `{ return recv | EGL_OPENGL_ES2_BIT; `}
+
+       fun openvg: Bool `{ return recv & EGL_OPENVG_BIT; `}
+       fun with_openvg: EGLConformant `{ return recv | EGL_OPENVG_BIT; `}
+
+       fun to_a: Array[String]
+       do
+               var features = new Array[String]
+               if opengl then features.add("OpenGL")
+               if opengl_es then features.add("OpenGL ES")
+               if opengl_es2 then features.add("OpenGL ES2")
+               if openvg then features.add("OpenVG")
+               return features
+       end
+
+       redef fun to_s do return to_a.join(", ")
 end
 
 # Attributes of a surface for a given EGL display
@@ -344,11 +416,16 @@ class EGLConfigChooser
        fun green_size=(size: Int) do insert_attrib_with_val("3023".to_hex, size)
        fun red_size=(size: Int) do insert_attrib_with_val("3024".to_hex, size)
 
+       fun buffer_size=(size: Int) do insert_attrib_with_val("3020".to_hex, size)
        fun alpha_size=(size: Int) do insert_attrib_with_val("3021".to_hex, size)
        fun depth_size=(size: Int) do insert_attrib_with_val("3025".to_hex, size)
        fun stencil_size=(size: Int) do insert_attrib_with_val("3026".to_hex, size)
        fun sample_buffers=(size: Int) do insert_attrib_with_val("3031".to_hex, size)
 
+       fun caveat=(caveat: EGLConfigCaveat) do insert_attrib_with_val("3050".to_hex, caveat.to_i)
+
+       fun conformant=(conformant: EGLConformant) do insert_attrib_with_val("3042".to_hex, conformant.to_i)
+
        fun choose(display: EGLDisplay): nullable Array[EGLConfig]
        do
                assert closed else print "EGLConfigChooser not closed."