/// <summary>
/// Test <see cref="ArrayBufferObject.Create(GraphicsContext, Array)"/>.
/// </summary>
private void CreateCtxArray_Core()
{
ArrayBufferObjectBase arrayBufferRef = null;
using (ArrayBufferObjectBase arrayBuffer = CreateInstance()) {
ConstructionDefaulValues(arrayBuffer);
// Create GPU memory
Assert.IsFalse(arrayBuffer.Exists(_Context));
arrayBuffer.Create(_Context, new float[16]);
// Now exists
Assert.IsTrue(arrayBuffer.Exists(_Context));
// ItemCount reflect the GPU buffer size
Assert.AreEqual(16, arrayBuffer.ItemCount);
// We should be able to issue a new buffer
arrayBuffer.Create(_Context, new float[32]);
Assert.IsTrue(arrayBuffer.Exists(_Context));
// ItemCount reflect the GPU buffer size
Assert.AreEqual(32, arrayBuffer.ItemCount);
// ItemCount reflect the GPU buffer size
Assert.AreEqual(32 * arrayBuffer.ItemSize, arrayBuffer.BufferSize);
// Test after disposition
arrayBufferRef = arrayBuffer;
}
if (arrayBufferRef != null)
{
DispositionDefaulValues(arrayBufferRef);
}
}
/// <summary>
/// Test <see cref="ArrayBufferObject.Create(uint)"/>.
/// </summary>
private void CreateArray_Core()
{
Array testArray = CreateTestArray();
ArrayBufferObjectBase arrayBufferRef = null;
using (ArrayBufferObjectBase arrayBuffer = CreateInstance()) {
ConstructionDefaulValues(arrayBuffer);
// Create client memory
Assert.IsFalse(arrayBuffer.Exists(_Context));
arrayBuffer.Create(testArray);
// Still not existing
Assert.IsFalse(arrayBuffer.Exists(_Context));
// ItemCount reflect client buffer size
Assert.AreEqual((uint)testArray.Length, arrayBuffer.ItemCount);
// Actually define GPU buffer
arrayBuffer.Create(_Context);
// Now exists
Assert.IsTrue(arrayBuffer.Exists(_Context));
// ItemCount reflect the GPU buffer size
Assert.AreEqual((uint)testArray.Length, arrayBuffer.ItemCount);
// Test after disposition
arrayBufferRef = arrayBuffer;
}
if (arrayBufferRef != null)
{
DispositionDefaulValues(arrayBufferRef);
}
}
/// <summary>
/// Allocate resources used by this vertex array.
/// </summary>
/// <param name="ctx">
/// The <see cref="GraphicsContext"/> used for rendering.
/// </param>
public void Create(GraphicsContext ctx)
{
if (ArrayBuffer.Exists(ctx) == false)
{
ArrayBuffer.Create(ctx);
}
}
/// <summary>
/// Test <see cref="ArrayBufferObject.Create(GraphicsContext, uint)"/>.
/// </summary>
private void CreateCtxCount_Core()
{
const uint TestItemCount = 16;
ArrayBufferObjectBase arrayBufferRef = null;
using (ArrayBufferObjectBase arrayBuffer = CreateInstance())
{
ConstructionDefaulValues(arrayBuffer);
// Create GPU memory
Assert.IsFalse(arrayBuffer.Exists(_Context));
arrayBuffer.Create(_Context, TestItemCount);
// Now exists
Assert.IsTrue(arrayBuffer.Exists(_Context));
// ItemCount reflect the GPU buffer size
Assert.AreEqual(TestItemCount, arrayBuffer.ItemCount);
// ClientItemCount can be 0 (client buffer disposed) or ItemCount
Assert.IsTrue(arrayBuffer.ClientItemCount == 0 || arrayBuffer.ClientItemCount == arrayBuffer.ItemCount);
// We should be able to issue a new buffer
arrayBuffer.Create(_Context, TestItemCount * 2);
Assert.IsTrue(arrayBuffer.Exists(_Context));
// ItemCount reflect the GPU buffer size
Assert.AreEqual(TestItemCount * 2, arrayBuffer.ItemCount);
// ClientItemCount can be 0 (client buffer disposed) or ItemCount
Assert.IsTrue(arrayBuffer.ClientItemCount == 0 || arrayBuffer.ClientItemCount == arrayBuffer.ItemCount);
// Test after disposition
arrayBufferRef = arrayBuffer;
}
if (arrayBufferRef != null)
{
Assert.AreEqual(0, arrayBufferRef.ItemCount);
Assert.AreEqual(0, arrayBufferRef.ClientItemCount);
}
}
/// <summary>
/// Test <see cref="ArrayBufferObject.Create(uint)"/>.
/// </summary>
private void CreateCount_Core()
{
const uint TestItemCount = 16;
ArrayBufferObjectBase arrayBufferRef = null;
using (ArrayBufferObjectBase arrayBuffer = CreateInstance()) {
ConstructionDefaulValues(arrayBuffer);
// Create client buffer
Assert.IsFalse(arrayBuffer.Exists(_Context));
arrayBuffer.Create(TestItemCount);
// Still not existing
Assert.IsFalse(arrayBuffer.Exists(_Context));
// ItemCount reflect client buffer size
Assert.AreEqual(TestItemCount, arrayBuffer.ItemCount);
Assert.AreEqual(TestItemCount, arrayBuffer.ClientItemCount);
// Actually define GPU buffer
arrayBuffer.Create(_Context);
// Now exists
Assert.IsTrue(arrayBuffer.Exists(_Context));
// ItemCount reflect the GPU buffer size
Assert.AreEqual(TestItemCount, arrayBuffer.ItemCount);
// ClientItemCount can be 0 (client buffer disposed) or ItemCount
Assert.IsTrue(arrayBuffer.ClientItemCount == 0 || arrayBuffer.ClientItemCount == arrayBuffer.ItemCount);
// Define a new client buffer, different from previous
arrayBuffer.Create(TestItemCount * 2);
// Still exists
Assert.IsTrue(arrayBuffer.Exists(_Context));
// GPU buffer item count hasn't changed
Assert.AreEqual(TestItemCount, arrayBuffer.ItemCount);
// Client buffer item count respect the last request
Assert.AreEqual(TestItemCount * 2, arrayBuffer.ClientItemCount);
// Actually update GPU buffer
uint prevObjectName = arrayBuffer.ObjectName;
arrayBuffer.Create(_Context);
// Still exists
Assert.IsTrue(arrayBuffer.Exists(_Context));
// No new object has been created
Assert.AreEqual(prevObjectName, arrayBuffer.ObjectName);
// GPU buffer item count has been updated
Assert.AreEqual(TestItemCount * 2, arrayBuffer.ItemCount);
// ClientItemCount can be 0 (client buffer disposed) or ItemCount
Assert.IsTrue(arrayBuffer.ClientItemCount == 0 || arrayBuffer.ClientItemCount == arrayBuffer.ItemCount);
// Test after disposition
arrayBufferRef = arrayBuffer;
}
if (arrayBufferRef != null)
{
DispositionDefaulValues(arrayBufferRef);
}
}
