public void Draw(Texture2D texture, RectangleF area, Matrix transformMatrix, BlendMode blendMode = BlendMode.BlendmodeAlpha, ColorTextureEffect customEffect = null)
{
currentEffect = customEffect;
if (currentEffect == null)
{
currentEffect = defaultEffect;
}
var textureSize = texture.Size;
var scale = area.Size / textureSize;
var color = Color.White;
transformMatrix.Translation /= new Vector3(area.Width, area.Height, 1);
transformMatrix *= Matrix.CreateScale(scale.X, scale.Y, 1);
vertices[0] = new Vertex2Tex2Color(area.TopLeft, color, Vector2.Transform(new Vector2(0, 0), transformMatrix));
vertices[1] = new Vertex2Tex2Color(area.BottomLeft, color, Vector2.Transform(new Vector2(0, 1), transformMatrix));
vertices[2] = new Vertex2Tex2Color(area.TopRight, color, Vector2.Transform(new Vector2(1, 0), transformMatrix));
vertices[3] = new Vertex2Tex2Color(area.BottomRight, color, Vector2.Transform(new Vector2(1, 1), transformMatrix));
GL.Disable(EnableCap.CullFace);
GL.Disable(EnableCap.DepthTest);
//GL.Viewport(graphicsDevice.Viewport.X, graphicsDevice.BackBufferSize.Y - graphicsDevice.Viewport.Y - graphicsDevice.Viewport.Height, graphicsDevice.Viewport.Width, graphicsDevice.Viewport.Height);
currentEffect.Projection = Projection ?? CurrentContext.ActiveScreen.DefaultProjection;
currentEffect.View = Matrix.Identity;
currentEffect.Enable();
GL.BindTexture(TextureTarget.Texture2D, texture.textureId);
RenderHelpers.SetSamplers(TextureSampling.LinearWrap);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBufferObjects[0]);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, vertexBufferObjects[1]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(vertices.Length * Vertex2Tex2Color.GetSize()), vertices, BufferUsageHint.DynamicDraw);
if (currentEffect.ColorAttribute.HasValue)
{
GL.VertexAttribPointer(currentEffect.ColorAttribute.Value, 4, VertexAttribPointerType.UnsignedByte, true, Vertex2Tex2Color.GetSize(), sizeof(float) * 2);
}
GL.VertexAttribPointer(currentEffect.VertexAttribute, 2, VertexAttribPointerType.Float, false, Vertex2Tex2Color.GetSize(), 0);
GL.VertexAttribPointer(currentEffect.TextureCoordinatesAttribute, 2, VertexAttribPointerType.Float, false, Vertex2Tex2Color.GetSize(), sizeof(float) * 2 + sizeof(byte) * 4);
GL.DrawElements(BeginMode.Triangles, indices.Length, DrawElementsType.UnsignedShort, 0);
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
currentEffect.Disable();
}
private void Render(RenderQueue.Batch renderBatch)
{
var batch = (Batch)renderBatch;
var entries = batch.Entries;
if (entries.Count > 0)
{
RenderHelpers.SetBlendMode(blendMode);
GL.Disable(EnableCap.CullFace);
GL.Disable(EnableCap.DepthTest);
//GL.Viewport(graphicsDevice.Viewport.X, graphicsDevice.BackBufferSize.Y - graphicsDevice.Viewport.Y - graphicsDevice.Viewport.Height, graphicsDevice.Viewport.Width, graphicsDevice.Viewport.Height);
currentEffect.Projection = Projection ?? CurrentContext.ActiveScreen.DefaultProjection;
currentEffect.View = transform;
currentEffect.Enable();
for (int i = 0; i < entries.Count;)
{
int quadIndex = 0;
BatchEntry firstEntry = entries[i];
Texture2D texture = firstEntry.Texture;
if (AddEntry(ref firstEntry, quadIndex++) == 0)
{
Debug.WriteLine("Warning: out of QuadBatch capacity!");
break;
}
// Push in new quads until we reach a new texture
int entryCount = 1;
for (int j = i + 1; j < entries.Count; ++j)
{
BatchEntry futureEntry = entries[j];
if (futureEntry.Texture != texture)
{
break;
}
int added = AddEntry(ref futureEntry, quadIndex++);
if (added == 0)
{
Debug.WriteLine("Warning: out of QuadBatch capacity!");
}
entryCount += added; // If we're out of entry slots, do not increase entryCount
}
// Set texture
GL.BindTexture(TextureTarget.Texture2D, texture.textureId);
RenderHelpers.SetSamplers(textureSampling);
GL.BindBuffer(BufferTarget.ArrayBuffer, vertexBufferObjects[0]);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(entryCount * 6 * Vertex2Tex2Color.GetSize()), quads, BufferUsageHint.DynamicDraw);
//GL.BufferSubData(BufferTarget.ArrayBuffer, IntPtr.Zero, (IntPtr)(entryCount * 6 * Vertex2Tex2Color.GetSize()), quads);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, vertexBufferObjects[1]);
if (currentEffect.ColorAttribute.HasValue)
{
GL.VertexAttribPointer(currentEffect.ColorAttribute.Value, 4, VertexAttribPointerType.UnsignedByte, true, Vertex2Tex2Color.GetSize(), sizeof(float) * 2);
}
GL.VertexAttribPointer(currentEffect.VertexAttribute, 2, VertexAttribPointerType.Float, false, Vertex2Tex2Color.GetSize(), 0);
GL.VertexAttribPointer(currentEffect.TextureCoordinatesAttribute, 2, VertexAttribPointerType.Float, false, Vertex2Tex2Color.GetSize(), sizeof(float) * 2 + sizeof(byte) * 4);
GL.DrawElements(BeginMode.Triangles, entryCount * 6, DrawElementsType.UnsignedShort, 0);
i += entryCount;
}
entries.Clear();
currentEffect.Disable();
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, 0);
}
// This group is done, recycle it to the pool
batchPool.Delete(batch);
}