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Add Render2D.DrawTexturedTriangles with index buffer

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This commit is contained in:
Wojciech Figat
2022-10-25 15:06:52 +02:00
parent d73822046f
commit 044e141848
2 changed files with 31 additions and 0 deletions
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21
Source/Engine/Render2D/Render2D.cpp
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@@ -1963,6 +1963,27 @@ void Render2D::DrawTexturedTriangles(GPUTexture* t, const Span<Float2>& vertices
WriteTri(vertices[i], vertices[i + 1], vertices[i + 2], uvs[i], uvs[i + 1], uvs[i + 2], colors[i], colors[i + 1], colors[i + 2]);
}
void Render2D::DrawTexturedTriangles(GPUTexture* t, const Span<uint16>& indices, const Span<Float2>& vertices, const Span<Float2>& uvs, const Span<Color>& colors)
{
RENDER2D_CHECK_RENDERING_STATE;
CHECK(vertices.Length() == uvs.Length());
CHECK(vertices.Length() == colors.Length());
Render2DDrawCall& drawCall = DrawCalls.AddOne();
drawCall.Type = DrawCallType::FillTexture;
drawCall.StartIB = IBIndex;
drawCall.CountIB = indices.Length();
drawCall.AsTexture.Ptr = t;
for (int32 i = 0; i < indices.Length();)
{
const uint16 i0 = indices.Get()[i++];
const uint16 i1 = indices.Get()[i++];
const uint16 i2 = indices.Get()[i++];
WriteTri(vertices[i0], vertices[i1], vertices[i2], uvs[i0], uvs[i1], uvs[i2], colors[i0], colors[i1], colors[i2]);
}
}
void Render2D::FillTriangles(const Span<Float2>& vertices, const Span<Color>& colors, bool useAlpha)
{
CHECK(vertices.Length() == colors.Length());

10
Source/Engine/Render2D/Render2D.h
View File

@@ -425,6 +425,16 @@ public:
/// <param name="colors">The colors array.</param>
API_FUNCTION() static void DrawTexturedTriangles(GPUTexture* t, const Span<Float2>& vertices, const Span<Float2>& uvs, const Span<Color>& colors);
/// <summary>
/// Draws indexed vertices array.
/// </summary>
/// <param name="t">The texture.</param>
/// <param name="indices">The indices array.</param>
/// <param name="vertices">The vertices array.</param>
/// <param name="uvs">The uvs array.</param>
/// <param name="colors">The colors array.</param>
API_FUNCTION() static void DrawTexturedTriangles(GPUTexture* t, const Span<uint16>& indices, const Span<Float2>& vertices, const Span<Float2>& uvs, const Span<Color>& colors);
/// <summary>
/// Draws vertices array.
/// </summary>