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OpenVulkano/openVulkanoCpp/Vulkan/Scene/LabelDrawableVulkanEncoder.cpp
2025-01-05 23:34:20 +01:00

80 lines
2.8 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"
#include "Vulkan/Scene/VulkanVertexBuffer.hpp"
using namespace OpenVulkano::Scene;
namespace OpenVulkano::Vulkan
{
void EncodeBackground(LabelDrawable* labelDrawable, VulkanDrawContext* drawContext)
{
VulkanUniformBuffer* vkBuffer = labelDrawable->GetLabelBuffer()->GetRenderResource();
if (!vkBuffer) vkBuffer = drawContext->renderer->GetResourceManager().PrepareUniformBuffer(labelDrawable->GetLabelBuffer());
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())
{
drawContext->EncodeShader(entry.GetShader());
VertexBuffer* vbo = entry.GetVertexBuffer();
VulkanVertexBuffer* renderVbo = vbo->GetRenderResource();
if (!renderVbo) renderVbo = drawContext->renderer->GetResourceManager().PrepareVertexBuffer(vbo);
renderVbo->RecordBind(drawContext->commandBuffer);
if (labelDrawable->IsBillboard())
{
VulkanUniformBuffer* vkBuffer = labelDrawable->GetLabelBuffer()->GetRenderResource();
if (!vkBuffer) vkBuffer = drawContext->renderer->GetResourceManager().PrepareUniformBuffer(labelDrawable->GetLabelBuffer());
vkBuffer->Record(drawContext);
}
VulkanTexture* renderTexture = entry.GetTexture()->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);
drawContext->commandBuffer.draw(4, entry.GetSymbolCount(), 0, 0);
}
}
}
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);
}