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Add DrawVertices & FillTriangle funcs.

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Jean-Baptiste Perrier
2021-02-15 19:33:25 +01:00
parent 674e09e72b
commit b1f867f107
2 changed files with 64 additions and 0 deletions
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38
Source/Engine/Render2D/Render2D.cpp
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@@ -1744,3 +1744,41 @@ void Render2D::DrawBlur(const Rectangle& rect, float blurStrength)
drawCall.AsBlur.BottomRightY = p.Y;
WriteRect(rect, Color::White);
}
void Render2D::DrawVertices(GPUTexture* t, const Array<Vector2> vertices, const Array<Vector2> uvs)
{
RENDER2D_CHECK_RENDERING_STATE;
Render2DDrawCall& drawCall = DrawCalls.AddOne();
drawCall.Type = DrawCallType::FillTexture;
drawCall.StartIB = IBIndex;
drawCall.CountIB = vertices.Count();
drawCall.AsTexture.Ptr = t;
for (int32 i = 0; i < vertices.Count(); i += 3)
WriteTri(vertices[i], vertices[i + 1], vertices[i + 2], uvs[i], uvs[i + 1], uvs[i + 2]);
}
void Render2D::DrawVertices(const Array<Vector2> vertices, const Array<Color> colors, bool useAlpha)
{
RENDER2D_CHECK_RENDERING_STATE;
Render2DDrawCall& drawCall = DrawCalls.AddOne();
drawCall.Type = useAlpha ? DrawCallType::FillRect : DrawCallType::FillRectNoAlpha;
drawCall.StartIB = IBIndex;
drawCall.CountIB = vertices.Count();
for (int32 i = 0; i < vertices.Count(); i += 3)
WriteTri(vertices[i], vertices[i + 1], vertices[i + 2], colors[i], colors[i + 1], colors[i + 2]);
}
void Render2D::FillTriangle(const Vector2& p0, const Vector2& p1, const Vector2& p2, const Color& color)
{
RENDER2D_CHECK_RENDERING_STATE;
Render2DDrawCall& drawCall = DrawCalls.AddOne();
drawCall.Type = color.A < 1.0f ? DrawCallType::FillRect : DrawCallType::FillRectNoAlpha;
drawCall.StartIB = IBIndex;
drawCall.CountIB = 3;
WriteTri(p0, p1, p2, color, color, color);
}