Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

media/ogles2.vert

@@ -0,0 +1,34 @@
+attribute vec3 inVertexPosition;
+attribute vec3 inVertexNormal;
+attribute vec4 inVertexColor;
+attribute vec2 inTexCoord0;
+
+uniform mat4 mWorldViewProj;
+uniform mat4 mInvWorld;
+uniform mat4 mTransWorld;
+uniform vec3 mLightPos;
+uniform vec4 mLightColor;
+
+varying mediump vec4 v_color;
+varying mediump vec2 v_texCoord;
+
+void main(void)
+{
+	gl_Position = mWorldViewProj * vec4(inVertexPosition,1.0);
+	
+	vec4 normal = vec4(inVertexNormal, 0.0);
+	normal = mInvWorld * normal;
+	normal = normalize(normal);
+	
+	vec4 worldpos = vec4(inVertexPosition,1.0) * mTransWorld;
+	
+	vec4 lightVector = worldpos - vec4(mLightPos,1.0);
+	lightVector = normalize(lightVector);
+	
+	float tmp2 = dot(-lightVector, normal);
+	
+	vec4 tmp = mLightColor * tmp2;
+	v_color = vec4(tmp.x, tmp.y, tmp.z, 0.0);
+	
+	v_texCoord = inTexCoord0;
+}