public void DrawStageBuffers_EnsureVertexBufferLargeEnough_IncreasesBufferSize()
{
var components = Substitute.For <ISystemComponents>();
var properties = Substitute.For <IStartupPropertiesCache>();
properties.Internal.Returns(new InternalStartUpProperties
{
DrawStageInitialSizeVertexBuffer = 12,
DrawStageInitialSizeIndexBuffer = 36,
DrawStageInitialMaxNumberOfLayersForDepthScaling = 12
});
IDrawStageBuffers buffers = new DrawStageBuffers(components, properties);
buffers.EnsureVertexBufferIsLargeEnough(36);
//48 as will double twice
Assert.Equal(48U, buffers.VertexBufferSize);
}
public void DrawStageBuffers_EnsureIndexBufferLargeEnough_IncreasesBufferSize()
{
var components = Substitute.For <ISystemComponents>();
var properties = Substitute.For <IStartupPropertiesCache>();
properties.Internal.Returns(new InternalStartUpProperties
{
DrawStageInitialSizeVertexBuffer = 12,
DrawStageInitialSizeIndexBuffer = 36,
DrawStageInitialMaxNumberOfLayersForDepthScaling = 12
});
IDrawStageBuffers buffers = new DrawStageBuffers(components, properties);
buffers.EnsureIndexBufferIsLargeEnough(145);
//doubling from 36 up to large enough to hold 145... 288
Assert.Equal(288U, buffers.IndexBufferSize);
}
public void DrawStageBuffers_SetMaxLayersForDepthScaling_EnsureChanges()
{
var components = Substitute.For <ISystemComponents>();
var properties = Substitute.For <IStartupPropertiesCache>();
properties.Internal.Returns(new InternalStartUpProperties
{
DrawStageInitialSizeVertexBuffer = 12,
DrawStageInitialSizeIndexBuffer = 36,
DrawStageInitialMaxNumberOfLayersForDepthScaling = 12
});
IDrawStageBuffers buffers = new DrawStageBuffers(components, properties);
buffers.SetMaxNumberOfLayersForDepthScaling(24);
Assert.Equal(24, buffers.ReturnMaxNumberLayersForDepthScaling());
}
