add shaders

shader/fragment.sl

@@ -0,0 +1,11 @@
+#version 330 core
+in vec2 TexCoords;
+out vec4 color;
+
+uniform sampler2D image;
+uniform vec3 spriteColor;
+
+void main()
+{    
+    color = vec4(spriteColor, 1.0) * texture(image, TexCoords);
+}

shader/vertex.sl

@@ -0,0 +1,13 @@
+#version 330 core
+layout (location = 0) in vec4 vertex; // <vec2 position, vec2 texCoords>
+
+out vec2 TexCoords;
+
+uniform mat4 model;
+uniform mat4 projection;
+
+void main()
+{
+    TexCoords = vertex.zw;
+    gl_Position = projection * model * vec4(vertex.xy, 0.0, 1.0);
+}