Vulkan finished

Performance slightly worse than opengl; maybe perfomance tweaks can help? Or it is so ...

newVulkan/initVulkan.c

@@ -366,10 +366,18 @@ void createComputePipeline(Compute *compute)
             compute->dtUniformBufferDescriptorSetLayout,
             compute->staticInUniformBufferDescriptorSetLayout
     };
+
+    VkPushConstantRange dtPushConstantRange = {};
+    dtPushConstantRange.stageFlags = VK_SHADER_STAGE_COMPUTE_BIT;
+    dtPushConstantRange.offset = 0;
+    dtPushConstantRange.size = sizeof(Dt);
+
     VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo = {};
     pipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
     pipelineLayoutCreateInfo.setLayoutCount = 3;
     pipelineLayoutCreateInfo.pSetLayouts = descriptorSetLayouts;
+    pipelineLayoutCreateInfo.pushConstantRangeCount = 1;
+    pipelineLayoutCreateInfo.pPushConstantRanges = &dtPushConstantRange;
 
     ASSERT_VK(vkCreatePipelineLayout(compute->device, &pipelineLayoutCreateInfo, NULL, &(compute->pipelineLayout)))
 
@@ -461,7 +469,7 @@ void fillComputeBuffers(Compute *compute, float *particles, Dt *dtData, StaticIn
     fillComputeBuffer(compute, compute->staticInUniformBuffer, staticInData, compute->staticInUniformBufferSize);
 }
 
-void createComputeCommandBuffer(Compute *compute, Graphics *graphics)
+void createComputeCommandBuffer(Compute *compute)
 {
     VkCommandPoolCreateInfo commandPoolCreateInfo = {};
     commandPoolCreateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
@@ -488,7 +496,7 @@ void createComputeCommandBuffer(Compute *compute, Graphics *graphics)
     VkDescriptorSet descriptorSets[] = {
             compute->particleBufferDescriptorSet,
             compute->dtUniformBufferDescriptorSet,
-            compute->staticInUniformBufferDescriptorSet,
+            compute->staticInUniformBufferDescriptorSet
     };
     vkCmdBindDescriptorSets(compute->commandBuffer, VK_PIPELINE_BIND_POINT_COMPUTE, compute->pipelineLayout, 0, 3,
                             descriptorSets, 0, NULL);
@@ -624,13 +632,13 @@ void createGraphicsPipeline(Graphics *graphics)
     VkVertexInputAttributeDescription positionVertexInputAttributeDescription;
     positionVertexInputAttributeDescription.binding = 0;
     positionVertexInputAttributeDescription.location = 0;
-    positionVertexInputAttributeDescription.format = VK_FORMAT_R32G32_SFLOAT;
+    positionVertexInputAttributeDescription.format = VK_FORMAT_R32G32B32_SFLOAT;
     positionVertexInputAttributeDescription.offset = 0;
 
     VkVertexInputAttributeDescription colInVertexInputAttributeDescription;
     colInVertexInputAttributeDescription.binding = 0;
     colInVertexInputAttributeDescription.location = 1;
-    colInVertexInputAttributeDescription.format = VK_FORMAT_R32G32_SFLOAT;
+    colInVertexInputAttributeDescription.format = VK_FORMAT_R32G32B32_SFLOAT;
     colInVertexInputAttributeDescription.offset = 24;
 
     VkVertexInputAttributeDescription vertexInputAttributeDescription[2] = {

newVulkan/initVulkan.h

@@ -31,6 +31,17 @@
 }
 #define ASSERT_GLFW_SUCCESS(res) { if (res != GLFW_TRUE) { printf("Error-Code: %d", res); return FAILURE; } }
 
+typedef struct dt {
+    float dt;
+} Dt;
+
+typedef struct staticIn {
+    float x;
+    float y;
+    float z;
+    unsigned int maxParticles;
+} StaticIn;
+
 typedef struct compute {
     VkInstance instance;
 
@@ -105,17 +116,6 @@ typedef struct graphics {
     VkSemaphore semaphore;
 } Graphics;
 
-typedef struct dt {
-    float dt;
-} Dt;
-
-typedef struct staticIn {
-    float x;
-    float y;
-    float z;
-    unsigned int maxParticles;
-} StaticIn;
-
 // Shutdown
 void shutdownGLFW(GLFWwindow *window);
 void shutdownComputeVulkan(Compute *compute);
@@ -133,7 +133,7 @@ void createComputeDescriptorSetLayouts(Compute *compute);
 void createComputeDescriptorSets(Compute *compute);
 void createComputePipeline(Compute *compute);
 void fillComputeBuffers(Compute *compute, float *particles, Dt *dtData, StaticIn *staticInData);
-void createComputeCommandBuffer(Compute *compute, Graphics *graphics);
+void createComputeCommandBuffer(Compute *compute);
 
 // Graphics 
 void createGraphicsSurface(Graphics *graphics, GLFWwindow *window);

newVulkan/vulkanMain.c

@@ -57,7 +57,7 @@ int main()
     ASSERT_VK(vkQueueSubmit(compute.queue, 1, &submitInfo, VK_NULL_HANDLE));
     ASSERT_VK(vkQueueWaitIdle(compute.queue));
 
-    createComputeCommandBuffer(&compute, &graphics);
+    createComputeCommandBuffer(&compute);
 
     // Graphics
     graphics.particleBuffer = compute.particleBuffer;