Add textures

Textures supported

graphics/shaders/shader.frag

@@ -1,12 +1,14 @@
 #version 450
 
-layout(binding = 1) uniform sampler2D texSampler;
+/* Each time texture count is changed this value also need to change. I have to fix it somehow. */
+layout(binding = 1) uniform sampler2D texSampler[1];
 
 layout(location = 0) in vec3 fragColor;
 layout(location = 1) in vec2 fragTexCoord;
+layout(location = 2) in flat uint instanceTextureId;
 
 layout(location = 0) out vec4 outColor;
 
 void main() {
-    outColor = texture(texSampler, fragTexCoord);
+    outColor = vec4(fragColor * texture(texSampler[instanceTextureId], fragTexCoord).rgb, 1.0);
 }

graphics/shaders/shader.vert

@@ -13,9 +13,12 @@ layout(location = 2) in vec2 inTexCoord;
 layout(location = 3) in vec3 instancePosition;
 layout(location = 4) in vec3 instanceRotation;
 layout(location = 5) in float instanceScale;
+layout(location = 6) in uint instanceTextureId;
 
 layout(location = 0) out vec3 fragColor;
 layout(location = 1) out vec2 fragTexCoord;
+layout(location = 2) out uint outInstanceTextureId;
+
 
 void main()
 {
@@ -62,4 +65,5 @@ void main()
 
     fragColor = inColor;
     fragTexCoord = inTexCoord;
+    outInstanceTextureId = instanceTextureId;
 }