public static void Unbind()
{
State.Gl.BindVertexArray(0);
ActiveVAO = null;
}
public RenderBuffer(Shape shape, bool masked, bool supportAnimations, bool layered, bool noTexture = false)
{
Shape = shape;
Masked = masked;
this.supportAnimations = supportAnimations;
if (noTexture)
{
vertexArrayObject = new VertexArrayObject(ColorShader.Instance.ShaderProgram);
}
else if (masked)
{
if (shape == Shape.Triangle)
{
vertexArrayObject = new VertexArrayObject(MaskedTriangleShader.Instance.ShaderProgram);
}
else
{
vertexArrayObject = new VertexArrayObject(MaskedTextureShader.Instance.ShaderProgram);
}
}
else
{
vertexArrayObject = new VertexArrayObject(TextureShader.Instance.ShaderProgram);
}
positionBuffer = new PositionBuffer(false);
indexBuffer = new IndexBuffer();
if (noTexture)
{
colorBuffer = new ColorBuffer(true);
layerBuffer = new LayerBuffer(true);
vertexArrayObject.AddBuffer(ColorShader.DefaultColorName, colorBuffer);
vertexArrayObject.AddBuffer(ColorShader.DefaultLayerName, layerBuffer);
}
else if (shape == Shape.Triangle)
{
// map rendering will change the texture offsets often to change the terrain so use non-static buffers
textureAtlasOffsetBuffer = new PositionBuffer(false);
}
else
{
textureAtlasOffsetBuffer = new PositionBuffer(!supportAnimations);
if (layered)
{
layerBuffer = new LayerBuffer(true);
vertexArrayObject.AddBuffer(ColorShader.DefaultLayerName, layerBuffer);
}
else
{
baseLineBuffer = new BaseLineBuffer(false);
vertexArrayObject.AddBuffer(ColorShader.DefaultLayerName, baseLineBuffer);
}
}
if (masked && !noTexture)
{
maskTextureAtlasOffsetBuffer = new PositionBuffer(shape != Shape.Triangle && !supportAnimations);
vertexArrayObject.AddBuffer(MaskedTextureShader.DefaultMaskTexCoordName, maskTextureAtlasOffsetBuffer);
}
vertexArrayObject.AddBuffer(ColorShader.DefaultPositionName, positionBuffer);
vertexArrayObject.AddBuffer("index", indexBuffer);
if (!noTexture)
{
vertexArrayObject.AddBuffer(TextureShader.DefaultTexCoordName, textureAtlasOffsetBuffer);
}
}
void InternalBind(bool bindOnly)
{
lock (vaoLock)
{
if (ActiveVAO != this)
{
State.Gl.BindVertexArray(index);
program.Use();
}
if (!bindOnly)
{
bool buffersChanged = false;
// ensure that all buffers are up to date
foreach (var buffer in positionBuffers)
{
if (buffer.Value.RecreateUnbound())
{
buffersChanged = true;
}
}
foreach (var buffer in baseLineBuffers)
{
if (buffer.Value.RecreateUnbound())
{
buffersChanged = true;
}
}
foreach (var buffer in colorBuffers)
{
if (buffer.Value.RecreateUnbound())
{
buffersChanged = true;
}
}
foreach (var buffer in layerBuffers)
{
if (buffer.Value.RecreateUnbound())
{
buffersChanged = true;
}
}
foreach (var buffer in indexBuffers)
{
if (buffer.Value.RecreateUnbound())
{
buffersChanged = true;
}
}
if (buffersChanged)
{
UnbindBuffers();
BindBuffers();
}
}
ActiveVAO = this;
}
}