[#105] change project to indirect draw

projects/draw_indirect/src/main.cpp

@@ -19,7 +19,7 @@ void addMeshToIdirectDraw(const std::vector<vkcv::asset::VertexGroup>& meshes, s
     }
 }
 int main(int argc, const char** argv) {
-	const char* applicationName = "First Mesh";
+	const char* applicationName = "Indirect draw";
 
 	uint32_t windowWidth = 800;
 	uint32_t windowHeight = 600;
@@ -28,7 +28,7 @@ int main(int argc, const char** argv) {
 		applicationName,
 		windowWidth,
 		windowHeight,
-		true
+		false
 	);
 
 	vkcv::Core core = vkcv::Core::create(
@@ -61,6 +61,14 @@ int main(int argc, const char** argv) {
 	
 	vertexBuffer.fill(mesh.vertexGroups[0].vertexBuffer.data);
 
+    std::vector<vk::DrawIndexedIndirectCommand> indexedIndirectCommands;
+
+    addMeshToIdirectDraw(mesh.vertexGroups, indexedIndirectCommands);
+
+    vkcv::Buffer<vk::DrawIndexedIndirectCommand> indirectBuffer = core.createBuffer<vk::DrawIndexedIndirectCommand>(vkcv::BufferType::INDIRECT,  indexedIndirectCommands.size()  * sizeof(vk::DrawIndexedIndirectCommand), vkcv::BufferMemoryType::DEVICE_LOCAL);
+
+    indirectBuffer.fill(indexedIndirectCommands);
+
 	auto indexBuffer = core.createBuffer<uint8_t>(
 			vkcv::BufferType::INDEX,
 			mesh.vertexGroups[0].indexBuffer.data.size(),
@@ -215,13 +223,15 @@ int main(int argc, const char** argv) {
 		const std::vector<vkcv::ImageHandle> renderTargets = { swapchainInput, depthBuffer };
 		auto cmdStream = core.createCommandStream(vkcv::QueueType::Graphics);
 
-		core.recordDrawcallsToCmdStream(
+		core.recordIndirectDrawcallsToCmdStream(
 			cmdStream,
 			firstMeshPass,
 			firstMeshPipeline,
 			pushConstants,
 			{ drawcall },
-			renderTargets);
+			renderTargets,
+			indirectBuffer,
+            indexedIndirectCommands.size());
 		core.prepareSwapchainImageForPresent(cmdStream);
 		core.submitCommandStream(cmdStream);
 		core.endFrame();