Added barriers to write and read accesses

Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>

projects/wobble_bobble/shaders/transform_particles_to_grid.comp

@@ -48,4 +48,6 @@ void main()	{
         ivec3(gl_GlobalInvocationID),
         gridValue
     );
+
+    memoryBarrierImage();
 }
\ No newline at end of file

projects/wobble_bobble/shaders/update_grid_forces.comp

@@ -13,6 +13,8 @@ layout( push_constant ) uniform constants {
 };
 
 void main()	{
+    memoryBarrierImage();
+
     vec4 gridSample = imageLoad(
         gridImage,
         ivec3(gl_GlobalInvocationID)
@@ -42,4 +44,6 @@ void main()	{
         ivec3(gl_GlobalInvocationID),
         vec4(velocity, mass)
     );
+
+    memoryBarrierImage();
 }
\ No newline at end of file

projects/wobble_bobble/shaders/update_grid_velocities.comp

@@ -15,6 +15,8 @@ layout( push_constant ) uniform constants {
 };
 
 void main()	{
+    memoryBarrierImage();
+
     vec3 position = (vec3(gl_GlobalInvocationID) + vec3(0.5f)) / textureSize(sampler3D(gridTextureIn, gridSampler), 0);
     vec4 gridCurrentSample = texture(sampler3D(gridTextureIn, gridSampler), position);
 
@@ -26,4 +28,6 @@ void main()	{
         ivec3(gl_GlobalInvocationID),
         gridPreviousSample
     );
+
+    memoryBarrierImage();
 }
\ No newline at end of file

projects/wobble_bobble/shaders/update_particle_deformation.comp

@@ -18,6 +18,9 @@ layout( push_constant ) uniform constants {
 };
 
 void main()	{
+    memoryBarrierBuffer();
+    memoryBarrierImage();
+
     ParticleMinimal particle = particles[gl_GlobalInvocationID.x].minimal;
     mat3 deformation = mat3(particles[gl_GlobalInvocationID.x].deformation);
 
@@ -30,4 +33,6 @@ void main()	{
     mat3 deformation_elastic = (mat3(1.0f) + grad_velocity * dt) * deformation;
 
     particles[gl_GlobalInvocationID.x].deformation = mat4(deformation_elastic);
+
+    memoryBarrierBuffer();
 }
\ No newline at end of file

projects/wobble_bobble/shaders/update_particle_positions.comp

@@ -15,9 +15,13 @@ layout( push_constant ) uniform constants {
 };
 
 void main()	{
+    memoryBarrierBuffer();
+
     if (gl_GlobalInvocationID.x < particles.length()) {
         vec3 position = particles[gl_GlobalInvocationID.x].minimal.position;
         position = position + particles[gl_GlobalInvocationID.x].minimal.velocity * dt;
         particles[gl_GlobalInvocationID.x].minimal.position = position;
     }
+
+    memoryBarrierBuffer();
 }
\ No newline at end of file

projects/wobble_bobble/shaders/update_particle_velocities.comp

@@ -13,6 +13,9 @@ layout(set=0, binding=1) uniform texture3D gridImage;
 layout(set=0, binding=2) uniform sampler gridSampler;
 
 void main()	{
+    memoryBarrierBuffer();
+    memoryBarrierImage();
+
     if (gl_GlobalInvocationID.x < particles.length()) {
         vec3 position = particles[gl_GlobalInvocationID.x].minimal.position;
         float mass = particles[gl_GlobalInvocationID.x].minimal.mass;
@@ -28,4 +31,6 @@ void main()	{
             particles[gl_GlobalInvocationID.x].minimal.velocity = gridVelocity * mass / gridMass;
         }
     }
+
+    memoryBarrierBuffer();
 }
\ No newline at end of file