gl::Error Buffer9::setData(const void* data, size_t size, GLenum usage)
{
if (size > mMemory.size())
{
if (!mMemory.resize(size))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to resize internal buffer.");
}
}
mSize = size;
if (data)
{
memcpy(mMemory.data(), data, size);
}
invalidateStaticData();
if (usage == GL_STATIC_DRAW)
{
initializeStaticData();
}
return gl::Error(GL_NO_ERROR);
}
// Creates static buffers if sufficient used data has been left unmodified
void BufferD3D::promoteStaticUsage(int dataSize)
{
if (!mStaticVertexBuffer && !mStaticIndexBuffer)
{
mUnmodifiedDataUse += dataSize;
if (mUnmodifiedDataUse > 3 * getSize())
{
initializeStaticData();
}
}
}
gl::Error Buffer11::setData(const void *data, size_t size, GLenum usage)
{
gl::Error error = setSubData(data, size, 0);
if (error.isError())
{
return error;
}
if (usage == GL_STATIC_DRAW)
{
initializeStaticData();
}
return error;
}
void BufferD3D::invalidateStaticData()
{
if ((mStaticVertexBuffer && mStaticVertexBuffer->getBufferSize() != 0) || (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0))
{
SafeDelete(mStaticVertexBuffer);
SafeDelete(mStaticIndexBuffer);
// If the buffer was created with a static usage then we recreate the static
// buffers so that they are populated the next time we use this buffer.
if (mUsage == D3D_BUFFER_USAGE_STATIC)
{
initializeStaticData();
}
}
mUnmodifiedDataUse = 0;
}
void BufferD3D::invalidateStaticData()
{
emptyStaticBufferCache();
if (mStaticIndexBuffer && mStaticIndexBuffer->getBufferSize() != 0)
{
SafeDelete(mStaticIndexBuffer);
}
// If the buffer was created with a static usage then we recreate the static
// buffers so that they are populated the next time we use this buffer.
if (mUsage == D3DBufferUsage::STATIC)
{
initializeStaticData();
}
mUnmodifiedDataUse = 0;
}
void BufferD3D::updateD3DBufferUsage(GLenum usage)
{
switch (usage)
{
case GL_STATIC_DRAW:
case GL_STATIC_READ:
case GL_STATIC_COPY:
mUsage = D3DBufferUsage::STATIC;
initializeStaticData();
break;
case GL_STREAM_DRAW:
case GL_STREAM_READ:
case GL_STREAM_COPY:
case GL_DYNAMIC_READ:
case GL_DYNAMIC_COPY:
case GL_DYNAMIC_DRAW:
mUsage = D3DBufferUsage::DYNAMIC;
break;
default:
UNREACHABLE();
}
}
void BufferD3D::updateD3DBufferUsage(const gl::Context *context, gl::BufferUsage usage)
{
switch (usage)
{
case gl::BufferUsage::StaticCopy:
case gl::BufferUsage::StaticDraw:
case gl::BufferUsage::StaticRead:
mUsage = D3DBufferUsage::STATIC;
initializeStaticData(context);
break;
case gl::BufferUsage::DynamicCopy:
case gl::BufferUsage::DynamicDraw:
case gl::BufferUsage::DynamicRead:
case gl::BufferUsage::StreamCopy:
case gl::BufferUsage::StreamDraw:
case gl::BufferUsage::StreamRead:
mUsage = D3DBufferUsage::DYNAMIC;
break;
default:
UNREACHABLE();
}
}
