+#include <msp/core/hash.h>
+#include "device.h"
+#include "framebuffer.h"
+#include "renderpass.h"
+#include "structurebuilder.h"
+#include "vulkan.h"
+
+using namespace std;
+
+namespace Msp {
+namespace GL {
+
+void RenderPass::update(Device &device)
+{
+ Rect fb_rect = framebuffer->get_rect();
+ render_area = fb_rect.intersect(render_area);
+ discard_fb_contents = (clear && render_area==fb_rect);
+ handle = device.get_pipeline_cache().get_render_pass(*this);
+}
+
+uint64_t RenderPass::compute_hash() const
+{
+ bool discard = (!clear_values && discard_fb_contents);
+ uint64_t result = hash<64>(static_cast<uint8_t>(clear | (discard*2) | (to_present*4)));
+ for(FrameAttachment a: framebuffer->get_format())
+ result = hash_update<64>(result, a);
+
+ return result;
+}
+
+void RenderPass::fill_creation_info(vector<char> &buffer) const
+{
+ const FrameFormat &format = framebuffer->get_format();
+
+ bool discard = (!clear_values && discard_fb_contents);
+ bool has_depth = any_of(format.begin(), format.end(), [](FrameAttachment a){
+ return get_components(get_attachment_pixelformat(a))==DEPTH_COMPONENT;
+ });
+ unsigned color_count = format.size()-has_depth;
+
+ StructureBuilder sb(buffer, 6);
+ VkRenderPassCreateInfo *const &render_pass_info = sb.add<VkRenderPassCreateInfo>();
+ VkSubpassDescription *const &subpass = sb.add<VkSubpassDescription>();
+ VkAttachmentDescription *const &attachments = sb.add<VkAttachmentDescription>(format.size());
+ VkAttachmentReference *const &color_refs = sb.add<VkAttachmentReference>(color_count);
+ VkAttachmentReference *const &depth_stencil_ref = sb.add<VkAttachmentReference>(has_depth);
+ VkSubpassDependency *const &dependency = sb.add<VkSubpassDependency>(to_present);
+
+ VkSampleCountFlagBits vk_samples = static_cast<VkSampleCountFlagBits>(get_vulkan_samples(format.get_samples()));
+
+ VkAttachmentReference *color_ptr = color_refs;
+ unsigned i = 0;
+ for(FrameAttachment a: format)
+ {
+ VkImageLayout subpass_layout = static_cast<VkImageLayout>(get_vulkan_attachment_layout(get_components(get_attachment_pixelformat(a))));
+ VkImageLayout external_layout = (to_present ? VK_IMAGE_LAYOUT_PRESENT_SRC_KHR : subpass_layout);
+
+ attachments[i].format = static_cast<VkFormat>(get_vulkan_pixelformat(get_attachment_pixelformat(a)));
+ attachments[i].samples = vk_samples;
+ attachments[i].loadOp = (clear ? discard ? VK_ATTACHMENT_LOAD_OP_DONT_CARE : VK_ATTACHMENT_LOAD_OP_CLEAR : VK_ATTACHMENT_LOAD_OP_LOAD);
+ attachments[i].storeOp = VK_ATTACHMENT_STORE_OP_STORE;
+ attachments[i].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_LOAD;
+ attachments[i].stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE;
+ attachments[i].initialLayout = ((clear && discard) ? VK_IMAGE_LAYOUT_UNDEFINED : external_layout);
+ attachments[i].finalLayout = external_layout;
+
+ if(subpass_layout==VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL)
+ {
+ color_ptr->attachment = i;
+ color_ptr->layout = subpass_layout;
+ ++color_ptr;
+ }
+ else
+ {
+ depth_stencil_ref->attachment = i;
+ depth_stencil_ref->layout = subpass_layout;
+ }
+
+ ++i;
+ }
+
+ subpass->pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
+ subpass->colorAttachmentCount = color_count;
+ if(color_count)
+ subpass->pColorAttachments = color_refs;
+ if(has_depth)
+ subpass->pDepthStencilAttachment = depth_stencil_ref;
+
+ render_pass_info->sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+ render_pass_info->attachmentCount = format.size();
+ render_pass_info->pAttachments = attachments;
+ render_pass_info->subpassCount = 1;
+ render_pass_info->pSubpasses = subpass;
+
+ if(to_present)
+ {
+ dependency->srcSubpass = 0;
+ dependency->dstSubpass = VK_SUBPASS_EXTERNAL;
+ dependency->srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
+ dependency->srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT;
+ dependency->dstStageMask = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT;
+ dependency->dstAccessMask = 0;
+
+ render_pass_info->dependencyCount = 1;
+ render_pass_info->pDependencies = dependency;
+ }
+}
+
+void RenderPass::fill_begin_info(vector<char> &buffer) const
+{
+ const FrameFormat &format = framebuffer->get_format();
+
+ StructureBuilder sb(buffer, 2);
+ VkRenderPassBeginInfo *const &begin_info = sb.add<VkRenderPassBeginInfo>(1);
+ VkClearValue *const &vk_clear_values = sb.add<VkClearValue>(format.size());
+
+ begin_info->sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
+ begin_info->renderPass = handle_cast<::VkRenderPass>(handle);
+ begin_info->framebuffer = handle_cast<::VkFramebuffer>(framebuffer->handle);
+
+ begin_info->renderArea.offset.x = render_area.left;
+ begin_info->renderArea.offset.y = render_area.bottom;
+ begin_info->renderArea.extent.width = render_area.width;
+ begin_info->renderArea.extent.height = render_area.height;
+
+ if(clear_values)
+ {
+ unsigned i = 0;
+ for(FrameAttachment a: format)
+ {
+ if(get_attach_point(a)==get_attach_point(DEPTH_ATTACHMENT))
+ vk_clear_values[i].depthStencil.depth = clear_values[i].depth_stencil.depth;
+ else if(get_attach_point(a)==get_attach_point(STENCIL_ATTACHMENT))
+ vk_clear_values[i].depthStencil.stencil = clear_values[i].depth_stencil.stencil;
+ else
+ {
+ vk_clear_values[i].color.float32[0] = clear_values[i].color.r;
+ vk_clear_values[i].color.float32[1] = clear_values[i].color.g;
+ vk_clear_values[i].color.float32[2] = clear_values[i].color.b;
+ vk_clear_values[i].color.float32[3] = clear_values[i].color.a;
+ }
+ ++i;
+ }
+
+ begin_info->clearValueCount = format.size();
+ begin_info->pClearValues = vk_clear_values;
+ }
+}
+
+} // namespace GL
+} // namespace Msp