void WebGLVertexArrayObjectBase::setVertexAttribState(
GLuint index, GLsizei bytesPerElement, GLint size, GLenum type, GLboolean normalized, GLsizei stride, GLintptr offset, WebGLBuffer* buffer)
{
GLsizei validatedStride = stride ? stride : bytesPerElement;
VertexAttribState* state = getVertexAttribState(index);
if (buffer)
buffer->onAttached();
if (state->bufferBinding)
state->bufferBinding->onDetached(context()->webContext());
state->bufferBinding = buffer;
state->bytesPerElement = bytesPerElement;
state->size = size;
state->type = type;
state->normalized = normalized;
state->stride = validatedStride;
state->originalStride = stride;
state->offset = offset;
}
bool State::hasMappedBuffer(GLenum target) const
{
if (target == GL_ARRAY_BUFFER)
{
for (size_t attribIndex = 0; attribIndex < mVertexAttribCurrentValues.size(); attribIndex++)
{
const gl::VertexAttribute &vertexAttrib = getVertexAttribState(static_cast<unsigned int>(attribIndex));
gl::Buffer *boundBuffer = vertexAttrib.buffer.get();
if (vertexAttrib.enabled && boundBuffer && boundBuffer->isMapped())
{
return true;
}
}
return false;
}
else
{
Buffer *buffer = getTargetBuffer(target);
return (buffer && buffer->isMapped());
}
}
void WebGLVertexArrayObjectBase::setVertexAttribDivisor(GLuint index, GLuint divisor)
{
VertexAttribState* state = getVertexAttribState(index);
state->divisor = divisor;
}
