lib/gamnit & egl: extract number of color bits as attributes

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/display.nit b/lib/gamnit/display.nit
index 69ddb41..6e7c58c 100644 (file)
--- a/lib/gamnit/display.nit
+++ b/lib/gamnit/display.nit
@@ -44,6 +44,15 @@ class GamnitDisplay
        # Only affects the desktop implementations.
        var show_cursor: Bool = true is writable
 
+       # Number of bits used for the red value in the color buffer
+       fun red_bits: Int do return 8
+
+       # Number of bits used for the green value in the color buffer
+       fun green_bits: Int do return 8
+
+       # Number of bits used for the blue value in the color buffer
+       fun blue_bits: Int do return 8
+
        # Prepare this display
        #
        # The implementation varies per platform.

diff --git a/lib/gamnit/display_android.nit b/lib/gamnit/display_android.nit
index 3ae7ee5..e9d1b4a 100644 (file)
--- a/lib/gamnit/display_android.nit
+++ b/lib/gamnit/display_android.nit
@@ -37,7 +37,7 @@ redef class GamnitDisplay
                setup_egl_display native_display
 
                # We need 8 bits per color for selection by color
-               select_egl_config(8, 8, 8, 0, 8, 0, 0)
+               select_egl_config(red_bits, green_bits, blue_bits, 0, 8, 0, 0)
 
                var format = egl_config.attribs(egl_display).native_visual_id
                native_window.set_buffers_geometry(0, 0, format)

diff --git a/lib/gamnit/display_linux.nit b/lib/gamnit/display_linux.nit
index c879577..1dbee21 100644 (file)
--- a/lib/gamnit/display_linux.nit
+++ b/lib/gamnit/display_linux.nit
@@ -48,7 +48,7 @@ redef class GamnitDisplay
                setup_egl_display x11_display
 
                if debug_gamnit then print "Setting up EGL context"
-               select_egl_config(8, 8, 8, 8, 8, 0, 0)
+               select_egl_config(red_bits, green_bits, blue_bits, 8, 8, 0, 0)
                setup_egl_context window_handle
        end