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metal: handle triangle strip draws

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This commit is contained in:
Alex Szpakowski
2020-12-22 23:06:06 -04:00
parent bfbf53b478
commit 47ea32781a
1 changed files with 15 additions and 2 deletions
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src/modules/graphics/metal/Graphics.mm
+15 -2
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@@ -112,6 +112,19 @@ static MTLStencilOperation getMTLStencilOperation(StencilAction action)
return MTLStencilOperationKeep;
}
static MTLPrimitiveType getMTLPrimitiveType(PrimitiveType prim)
{
switch (prim)
{
case PRIMITIVE_TRIANGLES: return MTLPrimitiveTypeTriangle;
case PRIMITIVE_TRIANGLE_STRIP: return MTLPrimitiveTypeTriangleStrip;
case PRIMITIVE_TRIANGLE_FAN: return MTLPrimitiveTypeTriangle; // This needs to be emulated.
case PRIMITIVE_POINTS: return MTLPrimitiveTypePoint;
case PRIMITIVE_MAX_ENUM: return MTLPrimitiveTypeTriangle;
}
return MTLPrimitiveTypeTriangle;
}
static inline id<MTLTexture> getMTLTexture(love::graphics::Texture *tex)
{
return tex ? (__bridge id<MTLTexture>)(void *) tex->getHandle() : nil;
@@ -765,7 +778,7 @@ void Graphics::draw(const DrawCommand &cmd)
setVertexBuffers(encoder, cmd.buffers);
[encoder drawPrimitives:MTLPrimitiveTypeTriangle
[encoder drawPrimitives:getMTLPrimitiveType(cmd.primitiveType)
vertexStart:cmd.vertexStart
vertexCount:cmd.vertexCount
instanceCount:cmd.instanceCount];
@@ -793,7 +806,7 @@ void Graphics::draw(const DrawIndexedCommand &cmd)
auto indexType = cmd.indexType == INDEX_UINT32 ? MTLIndexTypeUInt32 : MTLIndexTypeUInt16;
[encoder drawIndexedPrimitives:MTLPrimitiveTypeTriangle
[encoder drawIndexedPrimitives:getMTLPrimitiveType(cmd.primitiveType)
indexCount:cmd.indexCount
indexType:indexType
indexBuffer:getMTLBuffer(cmd.indexBuffer)