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-rw-r--r--engine/render/vulkan/renderpass.c249
1 files changed, 249 insertions, 0 deletions
diff --git a/engine/render/vulkan/renderpass.c b/engine/render/vulkan/renderpass.c
new file mode 100644
index 0000000..e1e8743
--- /dev/null
+++ b/engine/render/vulkan/renderpass.c
@@ -0,0 +1,249 @@
+/*
+ * Rune Game Engine
+ * Copyright 2024 Danny Holman <dholman@gymli.org>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 3. This notice may not be removed or altered from any source distribution.
+ */
+
+#include "renderpass.h"
+#include "vkassert.h"
+#include <rune/core/alloc.h>
+
+vkcmdbuffer_t* create_vkcmdbuffer(vkdev_t *dev, int primary) {
+ vkcmdbuffer_t *ret = rune_calloc(0, sizeof(vkcmdbuffer_t));
+
+ VkCommandBufferAllocateInfo ainfo;
+ ainfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
+ ainfo.pNext = NULL;
+ ainfo.commandPool = dev->gfx_cmd_pool;
+ if (primary == 1)
+ ainfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
+ else
+ ainfo.level = VK_COMMAND_BUFFER_LEVEL_SECONDARY;
+ ainfo.commandBufferCount = 1;
+ vkassert(vkAllocateCommandBuffers(dev->ldev, &ainfo, &ret->handle));
+
+ ret->state = CMDBUF_INITIAL;
+ return ret;
+}
+
+void destroy_vkcmdbuffer(vkcmdbuffer_t *cmdbuffer, vkdev_t *dev) {
+ vkFreeCommandBuffers(dev->ldev, dev->gfx_cmd_pool, 1, &cmdbuffer->handle);
+ rune_free(cmdbuffer);
+}
+
+void cmdbuf_begin(vkcmdbuffer_t *cmdbuffer, int single, int rpass_cont, int sim_use) {
+ if (cmdbuffer->state != CMDBUF_INITIAL) {
+ log_output(LOG_FATAL, "Attempted to record to a command buffer not in initial state");
+ rune_abort();
+ }
+
+ VkCommandBufferBeginInfo binfo;
+ binfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+ binfo.flags = 0;
+ binfo.pNext = NULL;
+ if (single)
+ binfo.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+ if (rpass_cont)
+ binfo.flags |= VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
+ if (sim_use)
+ binfo.flags |= VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
+ vkassert(vkBeginCommandBuffer(cmdbuffer->handle, &binfo));
+ cmdbuffer->state = CMDBUF_RECORDING;
+}
+
+void cmdbuf_end(vkcmdbuffer_t *cmdbuffer) {
+ if (cmdbuffer->state != CMDBUF_RECORDING) {
+ log_output(LOG_FATAL, "Attempted to end command buffer not in recording state");
+ rune_abort();
+ }
+
+ vkassert(vkEndCommandBuffer(cmdbuffer->handle));
+ cmdbuffer->state = CMDBUF_READY;
+}
+
+void cmdbuf_submit(vkcmdbuffer_t *cmdbuffer, VkSemaphore *signal, VkSemaphore *wait, VkQueue queue_handle, VkFence fence_handle) {
+ if (cmdbuffer->state != CMDBUF_READY) {
+ log_output(LOG_FATAL, "Attempted to submit command buffer not in ready state");
+ return;
+ }
+
+ VkSubmitInfo sinfo;
+ sinfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+ sinfo.pNext = NULL;
+ sinfo.commandBufferCount = 1;
+ sinfo.pCommandBuffers = &cmdbuffer->handle;
+ sinfo.signalSemaphoreCount = 1;
+ sinfo.pSignalSemaphores = signal;
+ sinfo.waitSemaphoreCount = 1;
+ sinfo.pWaitSemaphores = wait;
+ VkPipelineStageFlags flags[1] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT};
+ sinfo.pWaitDstStageMask = flags;
+ vkassert(vkQueueSubmit(queue_handle, 1, &sinfo, fence_handle));
+ cmdbuffer->state = CMDBUF_SUBMITTED;
+}
+
+void cmdbuf_reset(vkcmdbuffer_t *cmdbuffer) {
+ cmdbuffer->state = CMDBUF_INITIAL;
+}
+
+vkcmdbuffer_t* cmdbuf_begin_single_use(vkdev_t *dev) {
+ vkcmdbuffer_t *ret = create_vkcmdbuffer(dev, 1);
+ cmdbuf_begin(ret, 1, 0, 0);
+ return ret;
+}
+
+void cmdbuf_end_single_use(vkcmdbuffer_t *cmdbuffer, vkdev_t *dev, VkQueue queue) {
+ cmdbuf_end(cmdbuffer);
+ VkSubmitInfo sinfo;
+ sinfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+ sinfo.pNext = NULL;
+ sinfo.waitSemaphoreCount = 0;
+ sinfo.pWaitSemaphores = NULL;
+ sinfo.pWaitDstStageMask = NULL;
+ sinfo.commandBufferCount = 1;
+ sinfo.pCommandBuffers = &cmdbuffer->handle;
+ sinfo.signalSemaphoreCount = 0;
+ sinfo.pSignalSemaphores = NULL;
+ vkassert(vkQueueSubmit(queue, 1, &sinfo, 0));
+
+ vkassert(vkQueueWaitIdle(queue));
+ destroy_vkcmdbuffer(cmdbuffer, dev);
+}
+
+vkrendpass_t* create_vkrendpass(vkdev_t *dev, vkswapchain_t *swapchain, vec4 area, vec4 color, float depth, uint32_t stencil) {
+ VkAttachmentDescription atdesc[2];
+ atdesc[0].flags = 0;
+ atdesc[0].format = swapchain->format_khr.format;
+ atdesc[0].samples = VK_SAMPLE_COUNT_1_BIT;
+ atdesc[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
+ atdesc[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
+ atdesc[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+ atdesc[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+ atdesc[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+ atdesc[0].finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+
+ atdesc[1].flags = 0;
+ atdesc[1].format = dev->depth_format;
+ atdesc[1].samples = VK_SAMPLE_COUNT_1_BIT;
+ atdesc[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
+ atdesc[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
+ atdesc[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+ atdesc[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+ atdesc[1].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+ atdesc[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+
+ VkAttachmentReference cref;
+ cref.attachment = 0;
+ cref.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+ VkAttachmentReference dref;
+ dref.attachment = 1;
+ dref.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+
+ VkSubpassDescription subpass;
+ subpass.flags = 0;
+ subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
+ subpass.colorAttachmentCount = 1;
+ subpass.pColorAttachments = &cref;
+ subpass.pDepthStencilAttachment = &dref;
+ subpass.preserveAttachmentCount = 0;
+ subpass.pPreserveAttachments = NULL;
+ subpass.inputAttachmentCount = 0;
+ subpass.pInputAttachments = NULL;
+
+ VkSubpassDependency dep;
+ dep.srcSubpass = VK_SUBPASS_EXTERNAL;
+ dep.dstSubpass = 0;
+ dep.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+ dep.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+ dep.srcAccessMask = 0;
+ dep.dstAccessMask = 0;
+ dep.dependencyFlags = 0;
+
+ vkrendpass_t *ret = rune_alloc(sizeof(vkrendpass_t));
+ ret->color[0] = color[0];
+ ret->color[1] = color[1];
+ ret->color[2] = color[2];
+ ret->color[3] = color[3];
+ ret->area[0] = area[0];
+ ret->area[1] = area[1];
+ ret->area[2] = area[2];
+ ret->area[3] = area[3];
+ ret->depth = depth;
+ ret->stencil = stencil;
+ VkRenderPassCreateInfo rcinfo;
+ rcinfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+ rcinfo.pNext = NULL;
+ rcinfo.flags = 0;
+ rcinfo.attachmentCount = 2;
+ rcinfo.pAttachments = atdesc;
+ rcinfo.subpassCount = 1;
+ rcinfo.pSubpasses = &subpass;
+ rcinfo.dependencyCount = 1;
+ rcinfo.pDependencies = &dep;
+ vkassert(vkCreateRenderPass(dev->ldev, &rcinfo, NULL, &ret->handle));
+
+ log_output(LOG_DEBUG, "Initialized renderpass");
+ return ret;
+}
+
+void destroy_vkrendpass(vkrendpass_t *rendpass, vkdev_t *dev) {
+ if (rendpass->handle)
+ vkDestroyRenderPass(dev->ldev, rendpass->handle, NULL);
+ rune_free(rendpass);
+}
+
+void renderpass_begin(vkcmdbuffer_t *buf, vkrendpass_t *rendpass, VkFramebuffer framebuf) {
+ if (buf->state != CMDBUF_RECORDING) {
+ log_output(LOG_FATAL, "Attempted to place command buffer not in recording state in a render pass");
+ rune_abort();
+ }
+
+ VkClearValue cvals[2];
+ cvals[0].color.float32[0] = rendpass->color[0];
+ cvals[0].color.float32[1] = rendpass->color[1];
+ cvals[0].color.float32[2] = rendpass->color[2];
+ cvals[0].color.float32[3] = rendpass->color[3];
+ cvals[1].depthStencil.depth = rendpass->depth;
+ cvals[1].depthStencil.stencil = rendpass->stencil;
+
+ VkRenderPassBeginInfo binfo;
+ binfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+ binfo.pNext = NULL;
+ binfo.renderPass = rendpass->handle;
+ binfo.framebuffer = framebuf;
+ binfo.renderArea.offset.x = rendpass->area[0];
+ binfo.renderArea.offset.y = rendpass->area[1];
+ binfo.renderArea.extent.width = rendpass->area[2];
+ binfo.renderArea.extent.height = rendpass->area[3];
+ binfo.clearValueCount = 2;
+ binfo.pClearValues = cvals;
+
+ vkCmdBeginRenderPass(buf->handle, &binfo, VK_SUBPASS_CONTENTS_INLINE);
+ buf->state = CMDBUF_IN_RENDERPASS;
+}
+
+void renderpass_end(vkcmdbuffer_t *buf, vkrendpass_t *rendpass) {
+ if (buf->state != CMDBUF_IN_RENDERPASS) {
+ log_output(LOG_FATAL, "Attempted to purge command buffer not in render pass");
+ rune_abort();
+ }
+
+ vkCmdEndRenderPass(buf->handle);
+ buf->state = CMDBUF_RECORDING;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-13 18:52:47 +0000