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Add draw triangle

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This commit is contained in:
Jiga228
2025-09-29 21:02:18 +07:00
parent 47bb1541ef
commit 8f9dd52548
3 changed files with 135 additions and 7 deletions
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Core/Core/RenderEngine.cpp
+127 -4
View File
@@ -383,6 +383,14 @@ void RenderEngine::create_render_pass()
subpass_description.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass_description.colorAttachmentCount = 1;
subpass_description.pColorAttachments = &attachment_reference;
VkSubpassDependency dependency{};
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
dependency.dstSubpass = 0;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.srcAccessMask = 0;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
VkRenderPassCreateInfo render_pass_info{};
render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
@@ -390,6 +398,8 @@ void RenderEngine::create_render_pass()
render_pass_info.pAttachments = &attachment_description;
render_pass_info.subpassCount = 1;
render_pass_info.pSubpasses = &subpass_description;
render_pass_info.dependencyCount = 1;
render_pass_info.pDependencies = &dependency;
VK_CHECK(vkCreateRenderPass(device_, &render_pass_info, nullptr, &render_pass_));
}
@@ -483,7 +493,7 @@ void RenderEngine::create_graphics_pipeline()
multisample_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
VkPipelineColorBlendAttachmentState color_blend_attachment_state{};
color_blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
color_blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
color_blend_attachment_state.blendEnable = VK_TRUE;
color_blend_attachment_state.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
color_blend_attachment_state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
@@ -564,7 +574,7 @@ void RenderEngine::create_command_pool()
void RenderEngine::allocate_command_buffers()
{
command_buffers_.resize(MAX_FRAMES_IN_FLIGHT);
command_buffers_.resize(swapchain_images_.size());
VkCommandBufferAllocateInfo command_buffer_allocate_info{};
command_buffer_allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
@@ -575,6 +585,104 @@ void RenderEngine::allocate_command_buffers()
VK_CHECK(vkAllocateCommandBuffers(device_, &command_buffer_allocate_info, command_buffers_.data()));
}
void RenderEngine::create_sync_objects()
{
image_available_semaphores_.resize(swapchain_images_.size());
render_finished_semaphores_.resize(swapchain_images_.size());
in_flight_fences_.resize(swapchain_images_.size());
VkSemaphoreCreateInfo semaphore_info{};
semaphore_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
VkFenceCreateInfo fence_info{};
fence_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
fence_info.flags = VK_FENCE_CREATE_SIGNALED_BIT;
for (size_t i = 0; i < swapchain_images_.size(); ++i)
{
VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &image_available_semaphores_[i]));
VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &render_finished_semaphores_[i]));
VK_CHECK(vkCreateFence(device_, &fence_info, nullptr, &in_flight_fences_[i]));
}
}
void RenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index)
{
VkCommandBufferBeginInfo command_buffer_begin_info{};
command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
VK_CHECK(vkBeginCommandBuffer(command_buffer, &command_buffer_begin_info));
const VkClearValue clear_color = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
VkRenderPassBeginInfo render_pass_begin_info{};
render_pass_begin_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
render_pass_begin_info.renderPass = render_pass_;
render_pass_begin_info.framebuffer = framebuffers_[image_index];
render_pass_begin_info.renderArea.offset = {0, 0};
render_pass_begin_info.renderArea.extent = swapchain_extent_;
render_pass_begin_info.clearValueCount = 1;
render_pass_begin_info.pClearValues = &clear_color;
vkCmdBeginRenderPass(command_buffer, &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphycs_pipeline_);
VkViewport viewport{};
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = static_cast<float>(swapchain_extent_.width);
viewport.height = static_cast<float>(swapchain_extent_.height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(command_buffer, 0, 1, &viewport);
VkRect2D scissor{};
scissor.offset = {0, 0};
scissor.extent = swapchain_extent_;
vkCmdSetScissor(command_buffer, 0, 1, &scissor);
vkCmdDraw(command_buffer, 3, 1, 0, 0);
vkCmdEndRenderPass(command_buffer);
VK_CHECK(vkEndCommandBuffer(command_buffer));
}
void RenderEngine::draw_frame()
{
vkWaitForFences(device_, 1, &in_flight_fences_[current_frame_], VK_TRUE, UINT64_MAX);
vkResetFences(device_, 1, &in_flight_fences_[current_frame_]);
uint32_t image_index;
vkAcquireNextImageKHR(device_, swapchain_, UINT64_MAX, image_available_semaphores_[current_frame_], VK_NULL_HANDLE, &image_index);
vkResetCommandBuffer(command_buffers_[current_frame_], 0);
record_command_buffer(command_buffers_[current_frame_], image_index);
VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkSubmitInfo submit_info{};
submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
submit_info.commandBufferCount = 1;
submit_info.pCommandBuffers = &command_buffers_[current_frame_];
submit_info.waitSemaphoreCount = 1;
submit_info.pWaitSemaphores = &image_available_semaphores_[current_frame_];
submit_info.pWaitDstStageMask = &wait_stage;
submit_info.signalSemaphoreCount = 1;
submit_info.pSignalSemaphores = &render_finished_semaphores_[current_frame_];
VK_CHECK(vkQueueSubmit(graphics_queue_, 1, &submit_info, in_flight_fences_[current_frame_]));
VkPresentInfoKHR present_info{};
present_info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
present_info.waitSemaphoreCount = 1;
present_info.pWaitSemaphores = &render_finished_semaphores_[current_frame_];
present_info.swapchainCount = 1;
present_info.pSwapchains = &swapchain_;
present_info.pImageIndices = &image_index;
present_info.pResults = nullptr;
vkQueuePresentKHR(present_queue_, &present_info);
current_frame_ = (current_frame_ + 1) % swapchain_images_.size();
}
void RenderEngine::create_surface()
{
VK_CHECK(glfwCreateWindowSurface(instance_, window_, nullptr, &surface_));
@@ -595,11 +703,26 @@ window_(window)
create_image_views();
create_render_pass();
create_graphics_pipeline();
create_framebuffers();
create_command_pool();
allocate_command_buffers();
create_sync_objects();
}
RenderEngine::~RenderEngine()
{
if (command_buffers_.size() > 0)
vkDeviceWaitIdle(device_);
for (auto& i : image_available_semaphores_)
vkDestroySemaphore(device_, i, nullptr);
for (auto& i : render_finished_semaphores_)
vkDestroySemaphore(device_, i, nullptr);
for (auto& i : in_flight_fences_)
vkDestroyFence(device_, i, nullptr);
if (command_buffers_.empty() == false)
vkFreeCommandBuffers(device_, command_pool_, static_cast<uint32_t>(command_buffers_.size()), command_buffers_.data());
if (command_pool_ != VK_NULL_HANDLE)
@@ -649,8 +772,8 @@ void RenderEngine::start()
{
while (!glfwWindowShouldClose(window_))
{
glfwSwapBuffers(window_);
glfwPollEvents();
draw_frame();
}
}
Core/Core/RenderEngine.h
+7 -2
View File
@@ -35,7 +35,6 @@ class RenderEngine
static const std::vector<const char*> deviceExtensions;
const int MAX_FRAMES_IN_FLIGHT = 2;
int current_frame_ = 0;
CoreInstance& core_;
@@ -58,6 +57,9 @@ class RenderEngine
VkCommandPool command_pool_ = VK_NULL_HANDLE;
std::vector<VkCommandBuffer> command_buffers_;
std::vector<VkSemaphore> image_available_semaphores_, render_finished_semaphores_;
std::vector<VkFence> in_flight_fences_;
#ifdef _DEBUG
VkResult enable_layer_validation(VkDebugUtilsMessengerCreateInfoEXT* create_info);
VkDebugUtilsMessengerEXT debug_messenger_;
@@ -84,7 +86,10 @@ class RenderEngine
void create_framebuffers();
void create_command_pool();
void allocate_command_buffers();
void create_sync_objects();
void record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index);
void draw_frame();
public:
// Can throw the exception
RenderEngine(CoreInstance& core, GLFWwindow* window, VkPresentModeKHR desired_present_mode = VK_PRESENT_MODE_MAILBOX_KHR);
TestGame/CMakeLists.txt
+1 -1
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@@ -2,7 +2,7 @@ set(GAME_NAME TestGame)
set(CMAKE_CXX_STANDARD 20)
file(GLOB_RECURSE SRC "*.cpp" "*.c" "*.h" "*.hpp" "*.res" "*.world" "*.conf")
file(GLOB_RECURSE SRC "*.cpp" "*.c" "*.h" "*.hpp" "*.res" "*.world" "*.conf" "*.frag" "*.vert")
add_executable(${GAME_NAME} ${SRC})
target_link_libraries(${GAME_NAME} PRIVATE Core)