Текстурное смещение

shaders/bulb.frag

@@ -8,6 +8,7 @@ layout(std140, binding = 1) uniform Material
     float p;
     bool normalmapped;
     bool parallaxmapped;
+    bool displacementmapped;
 };
 
 in vec3 pos_local;

shaders/gshader.frag

@@ -8,6 +8,7 @@ layout(std140, binding = 1) uniform Material
     float p;
     bool normalmapped;
     bool parallaxmapped;
+    bool displacementmapped;
 };
 
 layout (location = 0) out vec3 gPosition;

shaders/gshader.vert

@@ -13,6 +13,20 @@ layout(std140, binding = 0) uniform Camera
     vec3 position;
 } camera;
 
+layout(std140, binding = 1) uniform Material
+{
+    vec3 ka;
+    vec3 kd;
+    vec3 ks;
+    float p;
+    bool normalmapped;
+    bool parallaxmapped;
+    bool displacementmapped;
+};
+
+uniform sampler2D tex_heights;
+uniform float displacement_heightScale = 0.1;
+
 uniform mat4 model;
 
 out vec3 vertex; // Позиция вершины в пространстве
@@ -36,5 +50,11 @@ void main()
 
     view = camera.position - vertex;
 
+    if (displacementmapped)
+    {
+        float height = texture(tex_heights, texCoord).r * displacement_heightScale;
+        P.xyz += mat3(T, B, N) * vec3(0, 0, height);
+    }
+    
     gl_Position = camera.projection * camera.view * P;
 }