Movmenet & duplication!

Makefile

@@ -1,12 +1,30 @@
-CFLAGS = -std=c++17 -O2
+CXX ?= g++
+CCACHE := $(shell command -v ccache 2>/dev/null)
+ifneq ($(CCACHE),)
+CXX := ccache $(CXX)
+endif
+CXXFLAGS = -std=c++17 -O2 -MMD -MP
 LDFLAGS = -lglfw -lvulkan -ldl -lpthread -lX11 -lXxf86vm -lXrandr -lXi
 
 SOURCES = $(wildcard *.cpp)
 HEADERS = $(wildcard *.hpp)
+OBJECTS = $(SOURCES:%.cpp=build/%.o)
+DEPS = $(OBJECTS:.o=.d)
 
-VulkanTest: $(SOURCES) $(HEADERS)
-	./compile.sh
-	g++ $(CFLAGS) -o VulkanTest $(SOURCES) $(LDFLAGS)
+SHADERS = shaders/simple_shader.vert shaders/simple_shader.frag
+SPV = $(SHADERS:=.spv)
+
+VulkanTest: $(SPV) $(OBJECTS)
+	$(CXX) $(CXXFLAGS) -o VulkanTest $(OBJECTS) $(LDFLAGS)
+
+build/%.o: %.cpp $(HEADERS) | build
+	$(CXX) $(CXXFLAGS) -c $< -o $@
+
+shaders/%.spv: shaders/%
+	/usr/local/bin/glslc $< -o $@
+
+build:
+	mkdir -p build
 
 .PHONY: test clean
 
@@ -15,3 +33,7 @@ test: VulkanTest
 
 clean:
 	rm -f VulkanTest
+	rm -rf build
+	rm -f $(SPV)
+
+-include $(DEPS)

build/cve_device.d

@@ -0,0 +1,3 @@
+build/cve_device.o: cve_device.cpp cve_device.hpp cve_window.hpp
+cve_device.hpp:
+cve_window.hpp:

build/cve_model.d

@@ -0,0 +1,5 @@
+build/cve_model.o: cve_model.cpp cve_model.hpp cve_device.hpp \
+ cve_window.hpp
+cve_model.hpp:
+cve_device.hpp:
+cve_window.hpp:

build/cve_pipeline.d

@@ -0,0 +1,6 @@
+build/cve_pipeline.o: cve_pipeline.cpp cve_pipeline.hpp cve_device.hpp \
+ cve_window.hpp cve_model.hpp
+cve_pipeline.hpp:
+cve_device.hpp:
+cve_window.hpp:
+cve_model.hpp:

build/cve_swap_chain.d

@@ -0,0 +1,5 @@
+build/cve_swap_chain.o: cve_swap_chain.cpp cve_swap_chain.hpp \
+ cve_device.hpp cve_window.hpp
+cve_swap_chain.hpp:
+cve_device.hpp:
+cve_window.hpp:

build/cve_window.d

@@ -0,0 +1,2 @@
+build/cve_window.o: cve_window.cpp cve_window.hpp
+cve_window.hpp:

build/first_app.d

@@ -0,0 +1,8 @@
+build/first_app.o: first_app.cpp first_app.hpp cve_window.hpp \
+ cve_pipeline.hpp cve_device.hpp cve_swap_chain.hpp cve_model.hpp
+first_app.hpp:
+cve_window.hpp:
+cve_pipeline.hpp:
+cve_device.hpp:
+cve_swap_chain.hpp:
+cve_model.hpp:

build/main.d

@@ -0,0 +1,8 @@
+build/main.o: main.cpp first_app.hpp cve_window.hpp cve_pipeline.hpp \
+ cve_device.hpp cve_swap_chain.hpp cve_model.hpp
+first_app.hpp:
+cve_window.hpp:
+cve_pipeline.hpp:
+cve_device.hpp:
+cve_swap_chain.hpp:
+cve_model.hpp:

first_app.cpp

@@ -3,7 +3,16 @@
 #include <stdexcept>
 #include <array>
 
+#define GLM_FORCE_RADIANS
+#define GLM_FORCE_DEPTH_ZERO_TO_ONE
+#include <glm/glm.hpp>
+
 namespace cve {
+  struct SimplePushConstantData{
+    glm::vec2 offset;
+    alignas(16) glm::vec3 color;
+  };
+
   FirstApp::FirstApp() {
     loadModels();
     createPipelineLayout();
@@ -35,12 +44,17 @@ namespace cve {
   }
 
   void FirstApp::createPipelineLayout() {
+    VkPushConstantRange pushConstantRange{};
+    pushConstantRange.stageFlags = VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT;
+    pushConstantRange.offset = 0;
+    pushConstantRange.size = sizeof(SimplePushConstantData);
+    
     VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
     pipelineLayoutInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
     pipelineLayoutInfo.setLayoutCount = 0;
     pipelineLayoutInfo.pSetLayouts = nullptr;
-    pipelineLayoutInfo.pushConstantRangeCount = 0;
-    pipelineLayoutInfo.pPushConstantRanges = nullptr;
+    pipelineLayoutInfo.pushConstantRangeCount = 1;
+    pipelineLayoutInfo.pPushConstantRanges = &pushConstantRange;
     if (vkCreatePipelineLayout(cveDevice.device(), &pipelineLayoutInfo, nullptr, &pipelineLayout) !=
         VK_SUCCESS) {
       throw std::runtime_error("Failed to create pipeline layout");
@@ -108,6 +122,9 @@ namespace cve {
   }
 
   void FirstApp::recordCommandBuffer(int imageIndex) {
+    static int frame = 30;
+    frame = (frame+1) % 2000;
+    
     VkCommandBufferBeginInfo beginInfo{};
     beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
 
@@ -124,7 +141,7 @@ namespace cve {
     renderPassInfo.renderArea.extent = cveSwapChain->getSwapChainExtent();
 
     std::array<VkClearValue, 2> clearValues{};
-    clearValues[0].color = {0.1f, 0.1f, 0.1f, 1.0f};
+    clearValues[0].color = {0.01f, 0.01f, 0.01f, 1.0f};
     clearValues[1].depthStencil = {1.0f, 0};
     renderPassInfo.clearValueCount = static_cast<uint32_t>(clearValues.size());
     renderPassInfo.pClearValues = clearValues.data();
@@ -144,7 +161,24 @@ namespace cve {
 
     cvePipeline->bind(commandBuffers[imageIndex]);
     cveModel->bind(commandBuffers[imageIndex]);
-    cveModel->draw(commandBuffers[imageIndex]);
+
+    for (int j = 0; j < 4; j++) {
+      SimplePushConstantData push{};
+      push.offset = {-0.5f + frame * 0.0005f, -0.4f + j * 0.25f};
+      push.color = {0.0f, 0.0f, 0.2f + 0.2f * j};
+
+      vkCmdPushConstants(
+        commandBuffers[imageIndex], 
+        pipelineLayout, 
+        VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT, 
+        0, 
+        sizeof(SimplePushConstantData),
+        &push
+      );
+      cveModel->draw(commandBuffers[imageIndex]);
+    }
+
+    
 
     vkCmdEndRenderPass(commandBuffers[imageIndex]);
     if (vkEndCommandBuffer(commandBuffers[imageIndex]) != VK_SUCCESS) {

shaders/simple_shader.frag

@@ -1,9 +1,12 @@
 #version 450
 
-layout(location = 0) in vec3 fragColor;
-
 layout(location = 0) out vec4 outColor;
 
+layout(push_constant) uniform Push {
+  vec2 offset;
+  vec3 color;
+} push;
+
 void main() {
-  outColor = vec4(fragColor, 1.0);
+  outColor = vec4(push.color, 1.0);
 }

shaders/simple_shader.vert

@@ -3,9 +3,11 @@
 layout(location = 0) in vec2 position;
 layout(location = 1) in vec3 color;
 
-layout(location = 0) out vec3 fragColor;
+layout(push_constant) uniform Push {
+  vec2 offset;
+  vec3 color;
+} push;
 
 void main() {
-  gl_Position = vec4(position, 0.0, 1.0);
-  fragColor = color;
+  gl_Position = vec4(position + push.offset, 0.0, 1.0);
 }