Files
OpenVulkano/openVulkanoCpp/Vulkan/Scene/LabelDrawableVulkanEncoder.cpp
2025-01-04 03:08:06 +01:00

122 lines
3.5 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "Scene/Prefabs/LabelDrawable.hpp"
#include "Scene/SimpleDrawable.hpp"
#include "Scene/TextDrawable.hpp"
#include "Scene/DrawEncoder.hpp"
#include "VulkanGeometry.hpp"
#include "Vulkan/VulkanDrawContext.hpp"
#include "Vulkan/Scene/VulkanTexture.hpp"
#include "Vulkan/Scene/VulkanUniformBuffer.hpp"
using namespace OpenVulkano::Scene;
namespace OpenVulkano::Vulkan
{
void EncodeBackground(LabelDrawable* labelDrawable, VulkanDrawContext* drawContext)
{
if (labelDrawable->IsBillboard())
{
Scene::UniformBuffer* buffer = labelDrawable->GetBillboardBuffer();
VulkanUniformBuffer* vkBuffer = buffer->GetRenderResource();
if (!vkBuffer)
{
vkBuffer = drawContext->renderer->GetResourceManager().PrepareUniformBuffer(buffer);
}
vkBuffer->Record(drawContext);
}
Scene::UniformBuffer* labelBuffer = labelDrawable->GetLabelBuffer();
VulkanUniformBuffer* vkBuffer = labelBuffer->GetRenderResource();
if (!vkBuffer)
{
vkBuffer = drawContext->renderer->GetResourceManager().PrepareUniformBuffer(labelBuffer);
}
vkBuffer->Record(drawContext);
for (Node* node: labelDrawable->GetNodes())
{
if (!node->IsEnabled()) [[unlikely]]
{
continue;
}
drawContext->EncodeNode(node);
}
drawContext->commandBuffer.draw(4, 1, 0, 0);
}
void EncodeTextDrawable(LabelDrawable* labelDrawable, VulkanDrawContext* drawContext)
{
for (TextDrawable& entry : labelDrawable->GetTexts())
{
Shader* shader = entry.GetShader();
drawContext->EncodeShader(shader);
Geometry* mesh = entry.GetGeometry();
VulkanGeometry* renderGeo = mesh->GetRenderResource();
if (!renderGeo)
{
renderGeo = drawContext->renderer->GetResourceManager().PrepareGeometry(mesh);
}
renderGeo->RecordBind(drawContext->commandBuffer);
std::array<Scene::UniformBuffer*, 2> uniforms = { nullptr, nullptr };
// fragment shader buffer
uniforms[0] = entry.GetUniformBuffer();
if (labelDrawable->IsBillboard())
{
// vertex shader buffer
uniforms[1] = labelDrawable->GetBillboardBuffer();
}
for (Scene::UniformBuffer* buffer : uniforms)
{
if (buffer)
{
VulkanUniformBuffer* vkBuffer = buffer->GetRenderResource();
if (!vkBuffer)
{
vkBuffer = drawContext->renderer->GetResourceManager().PrepareUniformBuffer(buffer);
}
vkBuffer->Record(drawContext);
}
}
if (Texture* texture = entry.GetTexture())
{
VulkanTexture* renderTexture = texture->GetRenderResource();
if (!renderTexture)
{
renderTexture = drawContext->renderer->GetResourceManager().PrepareTexture(entry.GetTexture());
}
renderTexture->Record(drawContext);
}
for (Node* node: labelDrawable->GetNodes())
{
if (!node->IsEnabled()) [[unlikely]]
{
continue;
}
drawContext->EncodeNode(node);
renderGeo->RecordDraw(drawContext->commandBuffer);
}
}
}
void EncodeLabelDrawable(Drawable* instance, VulkanDrawContext* drawContext)
{
LabelDrawable* labelDrawable = static_cast<LabelDrawable*>(instance);
EncodeBackground(labelDrawable, drawContext);
EncodeTextDrawable(labelDrawable, drawContext);
}
}
namespace
{
[[maybe_unused]] void* labelDrawableVulkanEncoderReg = DrawEncoder::RegisterVulkanEncodeFunction<LabelDrawable>(&OpenVulkano::Vulkan::EncodeLabelDrawable);
}