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/*
* 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->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->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;
}
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