Mostly working REAL 3D parser and renderer

shaders/object.fs

@@ -1,8 +1,21 @@
 #version 330 core
 #extension GL_ARB_explicit_uniform_location : enable
 
+layout(location = 1) uniform sampler2D texBase;
+layout(location = 2) uniform sampler2DArray texAnim;
+layout(location = 3) uniform uint animFrame;
+
+in vec2 fragTC;
+flat in uint fragUseAnimTex;
+
 out vec4 color;
 
 void main(void) {
-     color = vec4(1.0, 1.0, 1.0, 1.0);
-}
+     vec2 texDx = dFdx(fragTC);
+     vec2 texDy = dFdy(fragTC);
+     if (fragUseAnimTex > 0u)
+     	color = textureGrad(texAnim, vec3(fragTC, animFrame), texDx, texDy);
+	//color = vec4(1.0, 1.0, 0.0, 1.0);
+     else
+        color = textureGrad(texBase, fragTC, texDx, texDy);
+}

shaders/object.vs

@@ -6,11 +6,14 @@ layout(location = 0) uniform mat4 mvp_matrix;
 
 layout(location = 0) in vec3 vertex;
 layout(location = 1) in vec2 vertexTC;
+layout(location = 2) in uint useAnimTex;
 
 out vec2 fragTC;
+flat out uint fragUseAnimTex;
 
 void main(void) {
      gl_Position = mvp_matrix * vec4(vertex, 1.0);
 
      fragTC = vertexTC;
+     fragUseAnimTex = useAnimTex;
 }