glesv2: intro parameter `offset` to glGet* function wrappers

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

diff --git a/lib/glesv2/glesv2.nit b/lib/glesv2/glesv2.nit
index e6d2287..7ad1e0b 100644 (file)
--- a/lib/glesv2/glesv2.nit
+++ b/lib/glesv2/glesv2.nit
@@ -1195,27 +1195,29 @@ fun glPolygonOffset(factor, units: Float) `{ glPolygonOffset(factor, units); `}
 # Specify the width of rasterized lines
 fun glLineWidth(width: Float) `{ glLineWidth(width); `}
 
-# Get the value of the parameter `pname`
-fun glGetBooleanv(pname: GLGetParameterName): Bool `{
-       GLboolean v;
-       glGetBooleanv(pname, &v);
-       return v;
+# Get the value of the parameter `pname` at `offset`
+fun glGetBooleanv(pname: GLGetParameterName, offset: Int): Bool `{
+       GLboolean v[4];
+       glGetBooleanv(pname, v);
+       return v[offset];
 `}
 
-# Get the value of the parameter `pname`
-fun glGetFloatv(pname: GLGetParameterName): Float `{
-       GLfloat v;
-       glGetFloatv(pname, &v);
-       return v;
+# Get the value of the parameter `pname` at `offset`
+fun glGetFloatv(pname: GLGetParameterName, offset: Int): Float `{
+       GLfloat v[4];
+       glGetFloatv(pname, v);
+       return v[offset];
 `}
 
-# Get the value of the parameter `pname`
-fun glGetIntegerv(pname: GLGetParameterName): Int `{
-       GLint v;
-       glGetIntegerv(pname, &v);
-       return v;
+# Get the value of the parameter `pname` at `offset`
+fun glGetIntegerv(pname: GLGetParameterName, offset: Int): Int `{
+       GLint v[4];
+       glGetIntegerv(pname, v);
+       return v[offset];
 `}
 
+fun gl_COLOR_CLEAR_VALUE: GLGetParameterName `{ return GL_COLOR_CLEAR_VALUE; `}
+
 fun gl_MAX_TEXTURE_SIZE: GLGetParameterName `{ return GL_MAX_TEXTURE_SIZE; `}
 fun gl_MAX_VIEWPORT_DIMS: GLGetParameterName `{ return GL_MAX_VIEWPORT_DIMS; `}
 fun gl_MAX_VERTEX_ATTRIBS: GLGetParameterName `{ return GL_MAX_VERTEX_ATTRIBS; `}