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Add 9-slicking support for UI to draw sprites and textures

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#155
This commit is contained in:
Wojtek Figat
2021-05-29 13:48:00 +02:00
parent bf32034d91
commit 44433bf3b4
6 changed files with 318 additions and 14 deletions
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116
Source/Engine/Render2D/Render2D.cpp
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@@ -25,19 +25,14 @@
#include "Engine/Engine/EngineService.h"
#if USE_EDITOR
// TODO: maybe we could also provide some stack trace for that?
#define RENDER2D_CHECK_RENDERING_STATE \
if (!Render2D::IsRendering()) \
{ \
LOG(Error, "Calling Render2D is only valid during rendering."); \
return; \
}
#else
#define RENDER2D_CHECK_RENDERING_STATE
#endif
#if USE_EDITOR
@@ -353,6 +348,57 @@ FORCE_INLINE void WriteRect(const Rectangle& rect, const Color& color)
WriteRect(rect, color, Vector2::Zero, Vector2::One);
}
void Write9SlicingRect(const Rectangle& rect, const Color& color, const Vector4& border, const Vector4& borderUVs)
{
const Rectangle upperLeft(rect.Location.X, rect.Location.Y, border.X, border.Z);
const Rectangle upperRight(rect.Location.X + rect.Size.X - border.Y, rect.Location.Y, border.Y, border.Z);
const Rectangle bottomLeft(rect.Location.X, rect.Location.Y + rect.Size.Y - border.W, border.X, border.W);
const Rectangle bottomRight(rect.Location.X + rect.Size.X - border.Y, rect.Location.Y + rect.Size.Y - border.W, border.Y, border.W);
const Vector2 upperLeftUV(borderUVs.X, borderUVs.Z);
const Vector2 upperRightUV(1.0f - borderUVs.Y, borderUVs.Z);
const Vector2 bottomLeftUV(borderUVs.X, 1.0f - borderUVs.W);
const Vector2 bottomRightUV(1.0f - borderUVs.Y, 1.0f - borderUVs.W);
WriteRect(upperLeft, color, Vector2::Zero, upperLeftUV);
WriteRect(upperRight, color, Vector2(upperRightUV.X, 0), Vector2(1, upperLeftUV.Y));
WriteRect(bottomLeft, color, Vector2(0, bottomLeftUV.Y), Vector2(bottomLeftUV.X, 1));
WriteRect(bottomRight, color, bottomRightUV, Vector2::One);
WriteRect(Rectangle(upperLeft.GetUpperRight(), upperRight.GetBottomLeft() - upperLeft.GetUpperRight()), color, Vector2(upperLeftUV.X, 0), upperRightUV);
WriteRect(Rectangle(upperLeft.GetBottomLeft(), bottomLeft.GetUpperRight() - upperLeft.GetBottomLeft()), color, Vector2(0, upperLeftUV.Y), bottomLeftUV);
WriteRect(Rectangle(bottomLeft.GetUpperRight(), bottomRight.GetBottomLeft() - bottomLeft.GetUpperRight()), color, bottomLeftUV, Vector2(bottomRightUV.X, 1));
WriteRect(Rectangle(upperRight.GetBottomLeft(), bottomRight.GetUpperRight() - upperRight.GetBottomLeft()), color, upperRightUV, Vector2(1, bottomRightUV.Y));
WriteRect(Rectangle(upperLeft.GetBottomRight(), bottomRight.GetUpperLeft() - upperLeft.GetBottomRight()), color, upperRightUV, bottomRightUV);
}
void Write9SlicingRect(const Rectangle& rect, const Color& color, const Vector4& border, const Vector4& borderUVs, const Vector2& uvLocation, const Vector2& uvSize)
{
const Rectangle upperLeft(rect.Location.X, rect.Location.Y, border.X, border.Z);
const Rectangle upperRight(rect.Location.X + rect.Size.X - border.Y, rect.Location.Y, border.Y, border.Z);
const Rectangle bottomLeft(rect.Location.X, rect.Location.Y + rect.Size.Y - border.W, border.X, border.W);
const Rectangle bottomRight(rect.Location.X + rect.Size.X - border.Y, rect.Location.Y + rect.Size.Y - border.W, border.Y, border.W);
const Vector2 upperLeftUV = Vector2(borderUVs.X, borderUVs.Z) * uvSize + uvLocation;
const Vector2 upperRightUV = Vector2(1.0f - borderUVs.Y, borderUVs.Z) * uvSize + uvLocation;
const Vector2 bottomLeftUV = Vector2(borderUVs.X, 1.0f - borderUVs.W) * uvSize + uvLocation;
const Vector2 bottomRightUV = Vector2(1.0f - borderUVs.Y, 1.0f - borderUVs.W) * uvSize + uvLocation;
const Vector2 uvEnd = uvLocation + uvSize;
WriteRect(upperLeft, color, uvLocation, upperLeftUV);
WriteRect(upperRight, color, Vector2(upperRightUV.X, uvLocation.Y), Vector2(uvEnd.X, upperLeftUV.Y));
WriteRect(bottomLeft, color, Vector2(uvLocation.X, bottomLeftUV.Y), Vector2(bottomLeftUV.X, uvEnd.Y));
WriteRect(bottomRight, color, bottomRightUV, uvEnd);
WriteRect(Rectangle(upperLeft.GetUpperRight(), upperRight.GetBottomLeft() - upperLeft.GetUpperRight()), color, Vector2(upperLeftUV.X, uvLocation.Y), upperRightUV);
WriteRect(Rectangle(upperLeft.GetBottomLeft(), bottomLeft.GetUpperRight() - upperLeft.GetBottomLeft()), color, Vector2(uvLocation.X, upperLeftUV.Y), bottomLeftUV);
WriteRect(Rectangle(bottomLeft.GetUpperRight(), bottomRight.GetBottomLeft() - bottomLeft.GetUpperRight()), color, bottomLeftUV, Vector2(bottomRightUV.X, uvEnd.Y));
WriteRect(Rectangle(upperRight.GetBottomLeft(), bottomRight.GetUpperRight() - upperRight.GetBottomLeft()), color, upperRightUV, Vector2(uvEnd.X, bottomRightUV.Y));
WriteRect(Rectangle(upperLeft.GetBottomRight(), bottomRight.GetUpperLeft() - upperLeft.GetBottomRight()), color, upperRightUV, bottomRightUV);
}
typedef bool (*CanDrawCallCallback)(const Render2DDrawCall&, const Render2DDrawCall&);
bool CanDrawCallCallbackTrue(const Render2DDrawCall& d1, const Render2DDrawCall& d2)
@@ -1548,7 +1594,7 @@ void Render2D::DrawSprite(const SpriteHandle& spriteHandle, const Rectangle& rec
drawCall.Type = DrawCallType::FillTexture;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 6;
drawCall.AsTexture.Ptr = spriteHandle.GetAtlasTexture();
drawCall.AsTexture.Ptr = spriteHandle.Atlas->GetTexture();
WriteRect(rect, color, sprite->Area.GetUpperLeft(), sprite->Area.GetBottomRight());
}
@@ -1575,10 +1621,66 @@ void Render2D::DrawSpritePoint(const SpriteHandle& spriteHandle, const Rectangle
drawCall.Type = DrawCallType::FillTexturePoint;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 6;
drawCall.AsTexture.Ptr = spriteHandle.GetAtlasTexture();
drawCall.AsTexture.Ptr = spriteHandle.Atlas->GetTexture();
WriteRect(rect, color, sprite->Area.GetUpperLeft(), sprite->Area.GetBottomRight());
}
void Render2D::Draw9SlicingTexture(TextureBase* t, const Rectangle& rect, const Vector4& border, const Vector4& borderUVs, const Color& color)
{
RENDER2D_CHECK_RENDERING_STATE;
Render2DDrawCall drawCall;
drawCall.Type = DrawCallType::FillTexture;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 6 * 9;
drawCall.AsTexture.Ptr = t ? t->GetTexture() : nullptr;
DrawCalls.Add(drawCall);
Write9SlicingRect(rect, color, border, borderUVs);
}
void Render2D::Draw9SlicingTexturePoint(TextureBase* t, const Rectangle& rect, const Vector4& border, const Vector4& borderUVs, const Color& color)
{
RENDER2D_CHECK_RENDERING_STATE;
Render2DDrawCall drawCall;
drawCall.Type = DrawCallType::FillTexturePoint;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 6 * 9;
drawCall.AsTexture.Ptr = t ? t->GetTexture() : nullptr;
DrawCalls.Add(drawCall);
Write9SlicingRect(rect, color, border, borderUVs);
}
void Render2D::Draw9SlicingSprite(const SpriteHandle& spriteHandle, const Rectangle& rect, const Vector4& border, const Vector4& borderUVs, const Color& color)
{
RENDER2D_CHECK_RENDERING_STATE;
if (spriteHandle.Index == INVALID_INDEX || !spriteHandle.Atlas || !spriteHandle.Atlas->GetTexture()->HasResidentMip())
return;
Sprite* sprite = &spriteHandle.Atlas->Sprites.At(spriteHandle.Index);
Render2DDrawCall& drawCall = DrawCalls.AddOne();
drawCall.Type = DrawCallType::FillTexture;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 6 * 9;
drawCall.AsTexture.Ptr = spriteHandle.Atlas->GetTexture();
Write9SlicingRect(rect, color, border, borderUVs, sprite->Area.Location, sprite->Area.Size);
}
void Render2D::Draw9SlicingSpritePoint(const SpriteHandle& spriteHandle, const Rectangle& rect, const Vector4& border, const Vector4& borderUVs, const Color& color)
{
RENDER2D_CHECK_RENDERING_STATE;
if (spriteHandle.Index == INVALID_INDEX || !spriteHandle.Atlas || !spriteHandle.Atlas->GetTexture()->HasResidentMip())
return;
Sprite* sprite = &spriteHandle.Atlas->Sprites.At(spriteHandle.Index);
Render2DDrawCall& drawCall = DrawCalls.AddOne();
drawCall.Type = DrawCallType::FillTexturePoint;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 6 * 9;
drawCall.AsTexture.Ptr = spriteHandle.Atlas->GetTexture();
Write9SlicingRect(rect, color, border, borderUVs, sprite->Area.Location, sprite->Area.Size);
}
void Render2D::DrawCustom(GPUTexture* t, const Rectangle& rect, GPUPipelineState* ps, const Color& color)
{
RENDER2D_CHECK_RENDERING_STATE;