89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
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#pragma once
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#include "NativeRenderer.h"
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#include <algorithm>
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#include <cmath>
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#include <cstdio>
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namespace XCEngine::UI::Editor::Host::NativeRendererSupport {
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inline constexpr float kBaseDpi = 96.0f;
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inline constexpr float kDefaultFontSize = 16.0f;
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inline std::string HrToString(const char* operation, HRESULT hr) {
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char buffer[128] = {};
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sprintf_s(buffer, "%s failed with hr=0x%08X.", operation, static_cast<unsigned int>(hr));
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return buffer;
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}
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inline float ClampDpiScale(float dpiScale) {
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return dpiScale > 0.0f ? dpiScale : 1.0f;
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}
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inline float ResolveFontSize(float fontSize) {
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return fontSize > 0.0f ? fontSize : kDefaultFontSize;
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}
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inline float SnapToPixel(float value, float dpiScale) {
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const float scale = ClampDpiScale(dpiScale);
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return std::round(value * scale);
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}
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inline D2D1_RECT_F ToD2DRect(const ::XCEngine::UI::UIRect& rect, float dpiScale) {
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const float left = SnapToPixel(rect.x, dpiScale);
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const float top = SnapToPixel(rect.y, dpiScale);
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const float right = SnapToPixel(rect.x + rect.width, dpiScale);
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const float bottom = SnapToPixel(rect.y + rect.height, dpiScale);
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return D2D1::RectF(left, top, right, bottom);
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}
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inline D2D1_POINT_2F ToD2DPoint(
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const ::XCEngine::UI::UIPoint& point,
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float dpiScale,
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float pixelOffset = 0.0f) {
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return D2D1::Point2F(
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SnapToPixel(point.x, dpiScale) + pixelOffset,
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SnapToPixel(point.y, dpiScale) + pixelOffset);
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}
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inline float ResolveStrokePixelOffset(float thickness) {
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const float roundedThickness = std::round(thickness);
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return std::fmod(roundedThickness, 2.0f) == 1.0f ? 0.5f : 0.0f;
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}
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inline D2D1_BITMAP_PROPERTIES1 BuildD2DBitmapProperties(
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DXGI_FORMAT format,
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D2D1_BITMAP_OPTIONS options,
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D2D1_ALPHA_MODE alphaMode = D2D1_ALPHA_MODE_IGNORE) {
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return D2D1::BitmapProperties1(
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options,
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D2D1::PixelFormat(format, alphaMode),
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kBaseDpi,
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kBaseDpi);
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}
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inline bool IsInteropTextureHandle(const ::XCEngine::UI::UITextureHandle& texture) {
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return texture.kind == ::XCEngine::UI::UITextureHandleKind::ShaderResourceView &&
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texture.resourceHandle != 0u;
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}
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inline void CollectInteropTextureHandles(
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const ::XCEngine::UI::UIDrawData& drawData,
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std::vector<::XCEngine::UI::UITextureHandle>& outTextures) {
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outTextures.clear();
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std::unordered_set<std::uintptr_t> seenKeys = {};
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for (const ::XCEngine::UI::UIDrawList& drawList : drawData.GetDrawLists()) {
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for (const ::XCEngine::UI::UIDrawCommand& command : drawList.GetCommands()) {
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if (!IsInteropTextureHandle(command.texture) ||
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!seenKeys.insert(command.texture.resourceHandle).second) {
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continue;
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}
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outTextures.push_back(command.texture);
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}
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}
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}
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} // namespace XCEngine::UI::Editor::Host::NativeRendererSupport
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