Implemented basic occlusions queries

2024-06-11 16:55:20 +02:00
parent 52c4f11d28
commit df7fbef8bd
20 changed files with 221 additions and 156 deletions
@@ -0,0 +1,32 @@
+#include "Query.h"
+#include "Command.h"
+
+using namespace Seele;
+using namespace Seele::Vulkan;
+
+OcclusionQuery::OcclusionQuery(PGraphics graphics) :graphics(graphics){
+    VkQueryPoolCreateInfo info = {
+        .sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO,
+        .pNext = nullptr,
+        .flags = 0,
+        .queryType = VK_QUERY_TYPE_OCCLUSION,
+        .queryCount = 1,
+        .pipelineStatistics = 0,
+    };
+    VK_CHECK(vkCreateQueryPool(graphics->getDevice(), &info, nullptr, &handle));
+}
+
+OcclusionQuery::~OcclusionQuery() { vkDestroyQueryPool(graphics->getDevice(), handle, nullptr); }
+
+void OcclusionQuery::beginQuery() { vkCmdBeginQuery(graphics->getGraphicsCommands()->getCommands()->getHandle(), handle, 0, VK_QUERY_CONTROL_PRECISE_BIT); }
+
+void OcclusionQuery::endQuery() { vkCmdEndQuery(graphics->getGraphicsCommands()->getCommands()->getHandle(), handle, 0); }
+
+void OcclusionQuery::resetQuery() { vkResetQueryPool(graphics->getDevice(), handle, 0, 1); }
+
+uint64 OcclusionQuery::getResults() {
+    graphics->getGraphicsCommands()->submitCommands();
+    uint64 result;
+    vkGetQueryPoolResults(graphics->getDevice(), handle, 0, 1, sizeof(uint64), &result, sizeof(uint64), VK_QUERY_RESULT_64_BIT | VK_QUERY_RESULT_WAIT_BIT);
+    return result;
+}