96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
#include "Rendering/Viewport/ViewportRenderTargetInternal.h"
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#include <algorithm>
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#include <cmath>
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namespace XCEngine::UI::Editor::App {
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bool ViewportRequiresObjectIdResources(ViewportKind kind) {
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return kind == ViewportKind::Scene;
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}
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std::uint32_t ClampViewportPixelCoordinate(float value, std::uint32_t extent) {
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if (extent == 0u) {
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return 0u;
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}
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const float maxCoordinate = static_cast<float>(extent - 1u);
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const float clamped = (std::max)(0.0f, (std::min)(value, maxCoordinate));
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return static_cast<std::uint32_t>(std::floor(clamped));
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}
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bool CanReuseViewportResources(const ViewportResourceReuseQuery& query) {
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if (query.requestedWidth == 0u || query.requestedHeight == 0u) {
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return false;
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}
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if (query.width != query.requestedWidth || query.height != query.requestedHeight) {
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return false;
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}
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if (!query.resources.hasColorTexture ||
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!query.resources.hasColorView ||
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!query.resources.hasDepthTexture ||
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!query.resources.hasDepthView ||
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!query.resources.hasTextureDescriptor) {
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return false;
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}
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if (!ViewportRequiresObjectIdResources(query.kind)) {
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return true;
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}
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return query.resources.hasObjectIdTexture &&
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query.resources.hasObjectIdDepthTexture &&
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query.resources.hasObjectIdDepthView &&
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query.resources.hasObjectIdView &&
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query.resources.hasObjectIdShaderView &&
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query.resources.hasDepthShaderView &&
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query.resources.hasSelectionMaskTexture &&
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query.resources.hasSelectionMaskView &&
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query.resources.hasSelectionMaskShaderView;
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}
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::XCEngine::RHI::TextureDesc BuildViewportTextureDesc(
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std::uint32_t width,
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std::uint32_t height,
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::XCEngine::RHI::Format format) {
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::XCEngine::RHI::TextureDesc desc = {};
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desc.width = width;
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desc.height = height;
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desc.depth = 1;
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desc.mipLevels = 1;
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desc.arraySize = 1;
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desc.format = static_cast<std::uint32_t>(format);
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desc.textureType = static_cast<std::uint32_t>(::XCEngine::RHI::TextureType::Texture2D);
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desc.sampleCount = 1;
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desc.sampleQuality = 0;
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desc.flags = 0;
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return desc;
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}
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::XCEngine::RHI::ResourceViewDesc BuildViewportTextureViewDesc(
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::XCEngine::RHI::Format format) {
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::XCEngine::RHI::ResourceViewDesc desc = {};
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desc.format = static_cast<std::uint32_t>(format);
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desc.dimension = ::XCEngine::RHI::ResourceViewDimension::Texture2D;
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return desc;
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}
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::XCEngine::Rendering::RenderSurface BuildViewportRenderSurface(
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std::uint32_t width,
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std::uint32_t height,
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::XCEngine::RHI::RHIResourceView* colorView,
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::XCEngine::RHI::RHIResourceView* depthView,
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::XCEngine::RHI::ResourceStates colorStateBefore,
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::XCEngine::RHI::ResourceStates colorStateAfter) {
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::XCEngine::Rendering::RenderSurface surface(width, height);
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surface.SetColorAttachment(colorView);
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surface.SetDepthAttachment(depthView);
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surface.SetColorStateBefore(colorStateBefore);
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surface.SetColorStateAfter(colorStateAfter);
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return surface;
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}
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} // namespace XCEngine::UI::Editor::App
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