summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/vulkan/rendering_device_vulkan.cpp215
-rw-r--r--drivers/vulkan/rendering_device_vulkan.h17
-rw-r--r--drivers/vulkan/vulkan_context.cpp81
-rw-r--r--drivers/vulkan/vulkan_context.h16
-rw-r--r--editor/editor_node.cpp1
-rw-r--r--servers/rendering/rendering_device.cpp4
-rw-r--r--servers/rendering/rendering_device.h5
7 files changed, 265 insertions, 74 deletions
diff --git a/drivers/vulkan/rendering_device_vulkan.cpp b/drivers/vulkan/rendering_device_vulkan.cpp
index 2769469838..385edf3705 100644
--- a/drivers/vulkan/rendering_device_vulkan.cpp
+++ b/drivers/vulkan/rendering_device_vulkan.cpp
@@ -5336,17 +5336,19 @@ bool RenderingDeviceVulkan::compute_pipeline_is_valid(RID p_pipeline) {
int RenderingDeviceVulkan::screen_get_width(DisplayServer::WindowID p_screen) const {
_THREAD_SAFE_METHOD_
-
+ ERR_FAIL_COND_V_MSG(local_device.is_valid(), -1, "Local devices have no screen");
return context->window_get_width(p_screen);
}
int RenderingDeviceVulkan::screen_get_height(DisplayServer::WindowID p_screen) const {
_THREAD_SAFE_METHOD_
+ ERR_FAIL_COND_V_MSG(local_device.is_valid(), -1, "Local devices have no screen");
return context->window_get_height(p_screen);
}
RenderingDevice::FramebufferFormatID RenderingDeviceVulkan::screen_get_framebuffer_format() const {
_THREAD_SAFE_METHOD_
+ ERR_FAIL_COND_V_MSG(local_device.is_valid(), INVALID_ID, "Local devices have no screen");
//very hacky, but not used often per frame so I guess ok
VkFormat vkformat = context->get_screen_format();
@@ -5376,6 +5378,7 @@ RenderingDevice::FramebufferFormatID RenderingDeviceVulkan::screen_get_framebuff
RenderingDevice::DrawListID RenderingDeviceVulkan::draw_list_begin_for_screen(DisplayServer::WindowID p_screen, const Color &p_clear_color) {
_THREAD_SAFE_METHOD_
+ ERR_FAIL_COND_V_MSG(local_device.is_valid(), INVALID_ID, "Local devices have no screen");
ERR_FAIL_COND_V_MSG(draw_list != nullptr, INVALID_ID, "Only one draw list can be active at the same time.");
ERR_FAIL_COND_V_MSG(compute_list != nullptr, INVALID_ID, "Only one draw/compute list can be active at the same time.");
@@ -6695,75 +6698,104 @@ void RenderingDeviceVulkan::free(RID p_id) {
_free_dependencies(p_id); //recursively erase dependencies first, to avoid potential API problems
_free_internal(p_id);
}
-void RenderingDeviceVulkan::swap_buffers() {
- _THREAD_SAFE_METHOD_
+void RenderingDeviceVulkan::_finalize_command_bufers() {
- { //finalize frame
+ if (draw_list) {
+ ERR_PRINT("Found open draw list at the end of the frame, this should never happen (further drawing will likely not work).");
+ }
- if (draw_list) {
- ERR_PRINT("Found open draw list at the end of the frame, this should never happen (further drawing will likely not work).");
- }
+ if (compute_list) {
+ ERR_PRINT("Found open compute list at the end of the frame, this should never happen (further compute will likely not work).");
+ }
- if (compute_list) {
- ERR_PRINT("Found open compute list at the end of the frame, this should never happen (further compute will likely not work).");
- }
+ { //complete the setup buffer (that needs to be processed before anything else)
+ vkEndCommandBuffer(frames[frame].setup_command_buffer);
+ vkEndCommandBuffer(frames[frame].draw_command_buffer);
+ }
+}
+
+void RenderingDeviceVulkan::_begin_frame() {
+
+ //erase pending resources
+ _free_pending_resources(frame);
+
+ //create setup command buffer and set as the setup buffer
+
+ {
+ VkCommandBufferBeginInfo cmdbuf_begin;
+ cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+ cmdbuf_begin.pNext = nullptr;
+ cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+ cmdbuf_begin.pInheritanceInfo = nullptr;
+
+ VkResult err = vkResetCommandBuffer(frames[frame].setup_command_buffer, 0);
+ ERR_FAIL_COND_MSG(err, "vkResetCommandBuffer failed with error " + itos(err) + ".");
+
+ err = vkBeginCommandBuffer(frames[frame].setup_command_buffer, &cmdbuf_begin);
+ ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
+ err = vkBeginCommandBuffer(frames[frame].draw_command_buffer, &cmdbuf_begin);
+ ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- { //complete the setup buffer (that needs to be processed before anything else)
- vkEndCommandBuffer(frames[frame].setup_command_buffer);
- vkEndCommandBuffer(frames[frame].draw_command_buffer);
+ if (local_device.is_null()) {
+ context->append_command_buffer(frames[frame].draw_command_buffer);
+ context->set_setup_buffer(frames[frame].setup_command_buffer); //append now so it's added before everything else
}
- screen_prepared = false;
}
- //swap buffers
- context->swap_buffers();
+ //advance current frame
+ frames_drawn++;
+ //advance staging buffer if used
+ if (staging_buffer_used) {
+ staging_buffer_current = (staging_buffer_current + 1) % staging_buffer_blocks.size();
+ staging_buffer_used = false;
+ }
- { //advance frame
+ if (frames[frame].timestamp_count) {
+ vkGetQueryPoolResults(device, frames[frame].timestamp_pool, 0, frames[frame].timestamp_count, sizeof(uint64_t) * max_timestamp_query_elements, frames[frame].timestamp_result_values, sizeof(uint64_t), VK_QUERY_RESULT_64_BIT);
+ SWAP(frames[frame].timestamp_names, frames[frame].timestamp_result_names);
+ SWAP(frames[frame].timestamp_cpu_values, frames[frame].timestamp_cpu_result_values);
+ }
- frame = (frame + 1) % frame_count;
+ frames[frame].timestamp_result_count = frames[frame].timestamp_count;
+ frames[frame].timestamp_count = 0;
+ frames[frame].index = Engine::get_singleton()->get_frames_drawn();
+}
- //erase pending resources
- _free_pending_resources(frame);
+void RenderingDeviceVulkan::swap_buffers() {
- //create setup command buffer and set as the setup buffer
+ ERR_FAIL_COND_MSG(local_device.is_valid(), "Local devices can't swap buffers.");
+ _THREAD_SAFE_METHOD_
- {
- VkCommandBufferBeginInfo cmdbuf_begin;
- cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
- cmdbuf_begin.pNext = nullptr;
- cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
- cmdbuf_begin.pInheritanceInfo = nullptr;
+ _finalize_command_bufers();
- VkResult err = vkResetCommandBuffer(frames[frame].setup_command_buffer, 0);
- ERR_FAIL_COND_MSG(err, "vkResetCommandBuffer failed with error " + itos(err) + ".");
+ screen_prepared = false;
+ //swap buffers
+ context->swap_buffers();
- err = vkBeginCommandBuffer(frames[frame].setup_command_buffer, &cmdbuf_begin);
- ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- context->set_setup_buffer(frames[frame].setup_command_buffer); //append now so it's added before everything else
- err = vkBeginCommandBuffer(frames[frame].draw_command_buffer, &cmdbuf_begin);
- ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- context->append_command_buffer(frames[frame].draw_command_buffer);
- }
+ frame = (frame + 1) % frame_count;
- //advance current frame
- frames_drawn++;
- //advance staging buffer if used
- if (staging_buffer_used) {
- staging_buffer_current = (staging_buffer_current + 1) % staging_buffer_blocks.size();
- staging_buffer_used = false;
- }
+ _begin_frame();
+}
- if (frames[frame].timestamp_count) {
- vkGetQueryPoolResults(device, frames[frame].timestamp_pool, 0, frames[frame].timestamp_count, sizeof(uint64_t) * max_timestamp_query_elements, frames[frame].timestamp_result_values, sizeof(uint64_t), VK_QUERY_RESULT_64_BIT);
- SWAP(frames[frame].timestamp_names, frames[frame].timestamp_result_names);
- SWAP(frames[frame].timestamp_cpu_values, frames[frame].timestamp_cpu_result_values);
- }
+void RenderingDeviceVulkan::submit() {
+ ERR_FAIL_COND_MSG(local_device.is_null(), "Only local devices can submit and sync.");
+ ERR_FAIL_COND_MSG(local_device_processing, "device already submitted, call sync to wait until done.");
- frames[frame].timestamp_result_count = frames[frame].timestamp_count;
- frames[frame].timestamp_count = 0;
- frames[frame].index = Engine::get_singleton()->get_frames_drawn();
- }
+ _finalize_command_bufers();
+
+ VkCommandBuffer command_buffers[2] = { frames[frame].setup_command_buffer, frames[frame].draw_command_buffer };
+ context->local_device_push_command_buffers(local_device, command_buffers, 2);
+ local_device_processing = true;
+}
+
+void RenderingDeviceVulkan::sync() {
+
+ ERR_FAIL_COND_MSG(local_device.is_null(), "Only local devices can submit and sync.");
+ ERR_FAIL_COND_MSG(!local_device_processing, "sync can only be called after a submit");
+
+ context->local_device_sync(local_device);
+ _begin_frame();
}
void RenderingDeviceVulkan::_free_pending_resources(int p_frame) {
@@ -6882,14 +6914,21 @@ uint32_t RenderingDeviceVulkan::get_frame_delay() const {
void RenderingDeviceVulkan::_flush(bool p_current_frame) {
+ if (local_device.is_valid() && !p_current_frame) {
+ return; //flushign previous frames has no effect with local device
+ }
//not doing this crashes RADV (undefined behavior)
if (p_current_frame) {
vkEndCommandBuffer(frames[frame].setup_command_buffer);
vkEndCommandBuffer(frames[frame].draw_command_buffer);
}
- context->flush(p_current_frame, p_current_frame);
- //re-create the setup command
- if (p_current_frame) {
+
+ if (local_device.is_valid()) {
+
+ VkCommandBuffer command_buffers[2] = { frames[frame].setup_command_buffer, frames[frame].draw_command_buffer };
+ context->local_device_push_command_buffers(local_device, command_buffers, 2);
+ context->local_device_sync(local_device);
+
VkCommandBufferBeginInfo cmdbuf_begin;
cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
cmdbuf_begin.pNext = nullptr;
@@ -6898,27 +6937,48 @@ void RenderingDeviceVulkan::_flush(bool p_current_frame) {
VkResult err = vkBeginCommandBuffer(frames[frame].setup_command_buffer, &cmdbuf_begin);
ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- context->set_setup_buffer(frames[frame].setup_command_buffer); //append now so it's added before everything else
- }
+ err = vkBeginCommandBuffer(frames[frame].draw_command_buffer, &cmdbuf_begin);
+ ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- if (p_current_frame) {
- VkCommandBufferBeginInfo cmdbuf_begin;
- cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
- cmdbuf_begin.pNext = nullptr;
- cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
- cmdbuf_begin.pInheritanceInfo = nullptr;
+ } else {
+ context->flush(p_current_frame, p_current_frame);
+ //re-create the setup command
+ if (p_current_frame) {
+ VkCommandBufferBeginInfo cmdbuf_begin;
+ cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+ cmdbuf_begin.pNext = nullptr;
+ cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+ cmdbuf_begin.pInheritanceInfo = nullptr;
- VkResult err = vkBeginCommandBuffer(frames[frame].draw_command_buffer, &cmdbuf_begin);
- ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- context->append_command_buffer(frames[frame].draw_command_buffer);
+ VkResult err = vkBeginCommandBuffer(frames[frame].setup_command_buffer, &cmdbuf_begin);
+ ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
+ context->set_setup_buffer(frames[frame].setup_command_buffer); //append now so it's added before everything else
+ }
+
+ if (p_current_frame) {
+ VkCommandBufferBeginInfo cmdbuf_begin;
+ cmdbuf_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
+ cmdbuf_begin.pNext = nullptr;
+ cmdbuf_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
+ cmdbuf_begin.pInheritanceInfo = nullptr;
+
+ VkResult err = vkBeginCommandBuffer(frames[frame].draw_command_buffer, &cmdbuf_begin);
+ ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
+ context->append_command_buffer(frames[frame].draw_command_buffer);
+ }
}
}
-void RenderingDeviceVulkan::initialize(VulkanContext *p_context) {
+void RenderingDeviceVulkan::initialize(VulkanContext *p_context, bool p_local_device) {
context = p_context;
device = p_context->get_device();
- frame_count = p_context->get_swapchain_image_count() + 1; //always need one extra to ensure it's unused at any time, without having to use a fence for this.
+ if (p_local_device) {
+ frame_count = 1;
+ local_device = p_context->local_device_create();
+ } else {
+ frame_count = p_context->get_swapchain_image_count() + 1; //always need one extra to ensure it's unused at any time, without having to use a fence for this.
+ }
limits = p_context->get_device_limits();
max_timestamp_query_elements = 256;
@@ -6999,11 +7059,13 @@ void RenderingDeviceVulkan::initialize(VulkanContext *p_context) {
VkResult err = vkBeginCommandBuffer(frames[0].setup_command_buffer, &cmdbuf_begin);
ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- context->set_setup_buffer(frames[0].setup_command_buffer); //append now so it's added before everything else
err = vkBeginCommandBuffer(frames[0].draw_command_buffer, &cmdbuf_begin);
ERR_FAIL_COND_MSG(err, "vkBeginCommandBuffer failed with error " + itos(err) + ".");
- context->append_command_buffer(frames[0].draw_command_buffer);
+ if (local_device.is_null()) {
+ context->set_setup_buffer(frames[0].setup_command_buffer); //append now so it's added before everything else
+ context->append_command_buffer(frames[0].draw_command_buffer);
+ }
}
staging_buffer_block_size = GLOBAL_DEF("rendering/vulkan/staging_buffer/block_size_kb", 256);
@@ -7285,6 +7347,19 @@ void RenderingDeviceVulkan::finalize() {
ERR_FAIL_COND(reverse_dependency_map.size());
}
+RenderingDevice *RenderingDeviceVulkan::create_local_device() {
+ RenderingDeviceVulkan *rd = memnew(RenderingDeviceVulkan);
+ rd->initialize(context, true);
+ return rd;
+}
+
RenderingDeviceVulkan::RenderingDeviceVulkan() {
screen_prepared = false;
}
+
+RenderingDeviceVulkan::~RenderingDeviceVulkan() {
+ if (local_device.is_valid()) {
+ finalize();
+ context->local_device_free(local_device);
+ }
+}
diff --git a/drivers/vulkan/rendering_device_vulkan.h b/drivers/vulkan/rendering_device_vulkan.h
index 2c92f3466e..404455afb3 100644
--- a/drivers/vulkan/rendering_device_vulkan.h
+++ b/drivers/vulkan/rendering_device_vulkan.h
@@ -952,10 +952,12 @@ class RenderingDeviceVulkan : public RenderingDevice {
uint32_t max_timestamp_query_elements;
- Frame *frames; //frames available, they are cycled (usually 3)
+ Frame *frames; //frames available, for main device they are cycled (usually 3), for local devices only 1
int frame; //current frame
int frame_count; //total amount of frames
uint64_t frames_drawn;
+ RID local_device;
+ bool local_device_processing = false;
void _free_pending_resources(int p_frame);
@@ -971,6 +973,9 @@ class RenderingDeviceVulkan : public RenderingDevice {
template <class T>
void _free_rids(T &p_owner, const char *p_type);
+ void _finalize_command_bufers();
+ void _begin_frame();
+
public:
virtual RID texture_create(const TextureFormat &p_format, const TextureView &p_view, const Vector<Vector<uint8_t>> &p_data = Vector<Vector<uint8_t>>());
virtual RID texture_create_shared(const TextureView &p_view, RID p_with_texture);
@@ -1121,14 +1126,20 @@ public:
virtual int limit_get(Limit p_limit);
virtual void prepare_screen_for_drawing();
- void initialize(VulkanContext *p_context);
+ void initialize(VulkanContext *p_context, bool p_local_device = false);
void finalize();
- virtual void swap_buffers();
+ virtual void swap_buffers(); //for main device
+
+ virtual void submit(); //for local device
+ virtual void sync(); //for local device
virtual uint32_t get_frame_delay() const;
+ virtual RenderingDevice *create_local_device();
+
RenderingDeviceVulkan();
+ ~RenderingDeviceVulkan();
};
#endif // RENDERING_DEVICE_VULKAN_H
diff --git a/drivers/vulkan/vulkan_context.cpp b/drivers/vulkan/vulkan_context.cpp
index 0ce9ccce4c..083b822676 100644
--- a/drivers/vulkan/vulkan_context.cpp
+++ b/drivers/vulkan/vulkan_context.cpp
@@ -1499,6 +1499,87 @@ VulkanContext::VulkanContext() {
swapchainImageCount = 0;
}
+RID VulkanContext::local_device_create() {
+ LocalDevice ld;
+
+ { //create device
+ VkResult err;
+ float queue_priorities[1] = { 0.0 };
+ VkDeviceQueueCreateInfo queues[2];
+ queues[0].sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
+ queues[0].pNext = nullptr;
+ queues[0].queueFamilyIndex = graphics_queue_family_index;
+ queues[0].queueCount = 1;
+ queues[0].pQueuePriorities = queue_priorities;
+ queues[0].flags = 0;
+
+ VkDeviceCreateInfo sdevice = {
+ /*sType =*/VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
+ /*pNext */ nullptr,
+ /*flags */ 0,
+ /*queueCreateInfoCount */ 1,
+ /*pQueueCreateInfos */ queues,
+ /*enabledLayerCount */ 0,
+ /*ppEnabledLayerNames */ nullptr,
+ /*enabledExtensionCount */ enabled_extension_count,
+ /*ppEnabledExtensionNames */ (const char *const *)extension_names,
+ /*pEnabledFeatures */ &physical_device_features, // If specific features are required, pass them in here
+ };
+ err = vkCreateDevice(gpu, &sdevice, nullptr, &ld.device);
+ ERR_FAIL_COND_V(err, RID());
+ }
+
+ { //create graphics queue
+
+ vkGetDeviceQueue(ld.device, graphics_queue_family_index, 0, &ld.queue);
+ }
+
+ return local_device_owner.make_rid(ld);
+}
+
+VkDevice VulkanContext::local_device_get_vk_device(RID p_local_device) {
+ LocalDevice *ld = local_device_owner.getornull(p_local_device);
+ return ld->device;
+}
+
+void VulkanContext::local_device_push_command_buffers(RID p_local_device, const VkCommandBuffer *p_buffers, int p_count) {
+
+ LocalDevice *ld = local_device_owner.getornull(p_local_device);
+ ERR_FAIL_COND(ld->waiting);
+
+ VkSubmitInfo submit_info;
+ submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
+ submit_info.pNext = nullptr;
+ submit_info.pWaitDstStageMask = nullptr;
+ submit_info.waitSemaphoreCount = 0;
+ submit_info.pWaitSemaphores = nullptr;
+ submit_info.commandBufferCount = p_count;
+ submit_info.pCommandBuffers = p_buffers;
+ submit_info.signalSemaphoreCount = 0;
+ submit_info.pSignalSemaphores = nullptr;
+
+ VkResult err = vkQueueSubmit(ld->queue, 1, &submit_info, VK_NULL_HANDLE);
+ ERR_FAIL_COND(err);
+
+ ld->waiting = true;
+}
+
+void VulkanContext::local_device_sync(RID p_local_device) {
+
+ LocalDevice *ld = local_device_owner.getornull(p_local_device);
+ ERR_FAIL_COND(!ld->waiting);
+
+ vkDeviceWaitIdle(ld->device);
+ ld->waiting = false;
+}
+
+void VulkanContext::local_device_free(RID p_local_device) {
+
+ LocalDevice *ld = local_device_owner.getornull(p_local_device);
+ vkDestroyDevice(ld->device, nullptr);
+ local_device_owner.free(p_local_device);
+}
+
VulkanContext::~VulkanContext() {
if (queue_props) {
free(queue_props);
diff --git a/drivers/vulkan/vulkan_context.h b/drivers/vulkan/vulkan_context.h
index e587104e3c..51c3febb47 100644
--- a/drivers/vulkan/vulkan_context.h
+++ b/drivers/vulkan/vulkan_context.h
@@ -33,6 +33,8 @@
#include "core/error_list.h"
#include "core/map.h"
+#include "core/os/mutex.h"
+#include "core/rid_owner.h"
#include "core/ustring.h"
#include "servers/display_server.h"
#include <vulkan/vulkan.h>
@@ -105,6 +107,14 @@ class VulkanContext {
}
};
+ struct LocalDevice {
+ bool waiting = false;
+ VkDevice device;
+ VkQueue queue;
+ };
+
+ RID_Owner<LocalDevice, true> local_device_owner;
+
Map<DisplayServer::WindowID, Window> windows;
uint32_t swapchainImageCount;
@@ -194,6 +204,12 @@ public:
VkFramebuffer window_get_framebuffer(DisplayServer::WindowID p_window = 0);
VkRenderPass window_get_render_pass(DisplayServer::WindowID p_window = 0);
+ RID local_device_create();
+ VkDevice local_device_get_vk_device(RID p_local_device);
+ void local_device_push_command_buffers(RID p_local_device, const VkCommandBuffer *p_buffers, int p_count);
+ void local_device_sync(RID p_local_device);
+ void local_device_free(RID p_local_device);
+
VkFormat get_screen_format() const;
VkPhysicalDeviceLimits get_device_limits() const;
diff --git a/editor/editor_node.cpp b/editor/editor_node.cpp
index fddc5dc231..849908c132 100644
--- a/editor/editor_node.cpp
+++ b/editor/editor_node.cpp
@@ -64,6 +64,7 @@
#include "servers/navigation_server_2d.h"
#include "servers/navigation_server_3d.h"
#include "servers/physics_server_2d.h"
+#include "servers/rendering/rendering_device.h"
#include "editor/audio_stream_preview.h"
#include "editor/debugger/editor_debugger_node.h"
diff --git a/servers/rendering/rendering_device.cpp b/servers/rendering/rendering_device.cpp
index a3799b0e4d..75ef38354a 100644
--- a/servers/rendering/rendering_device.cpp
+++ b/servers/rendering/rendering_device.cpp
@@ -60,5 +60,7 @@ Vector<uint8_t> RenderingDevice::shader_compile_from_source(ShaderStage p_stage,
}
RenderingDevice::RenderingDevice() {
- singleton = this;
+ if (singleton == nullptr) { // there may be more rendering devices later
+ singleton = this;
+ }
}
diff --git a/servers/rendering/rendering_device.h b/servers/rendering/rendering_device.h
index 97fe417def..6c58b8fd57 100644
--- a/servers/rendering/rendering_device.h
+++ b/servers/rendering/rendering_device.h
@@ -1024,6 +1024,11 @@ public:
virtual uint32_t get_frame_delay() const = 0;
+ virtual void submit() = 0;
+ virtual void sync() = 0;
+
+ virtual RenderingDevice *create_local_device() = 0;
+
static RenderingDevice *get_singleton();
RenderingDevice();
};