RmlUi/Source/Core/RenderInterface.cpp

/*
 * This source file is part of RmlUi, the HTML/CSS Interface Middleware
 *
 * For the latest information, see http://github.com/mikke89/RmlUi
 *
 * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
 * Copyright (c) 2019-2023 The RmlUi Team, and contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 */

#include "../../Include/RmlUi/Core/RenderInterface.h"
#include "TextureDatabase.h"

namespace Rml {

RenderInterface::RenderInterface() {}

RenderInterface::~RenderInterface()
{
	// Note: We cannot automatically release the textures from the database here, because that involves a virtual call to this interface during its
	// destruction which is illegal.
	RMLUI_ASSERTMSG(TextureDatabase::AllTexturesReleased(),
		"RenderInterface is being destroyed, but there are still active textures in the texture database. This may lead to use-after-free or nullptr "
		"dereference when releasing the textures. Ensure that the render interface is destroyed *after* the call to Rml::Shutdown.");
}

CompiledGeometryHandle RenderInterface::CompileGeometry(Vertex* /*vertices*/, int /*num_vertices*/, int* /*indices*/, int /*num_indices*/,
	TextureHandle /*texture*/)
{
	return 0;
}

void RenderInterface::RenderCompiledGeometry(CompiledGeometryHandle /*geometry*/, const Vector2f& /*translation*/) {}

void RenderInterface::ReleaseCompiledGeometry(CompiledGeometryHandle /*geometry*/) {}

bool RenderInterface::LoadTexture(TextureHandle& /*texture_handle*/, Vector2i& /*texture_dimensions*/, const String& /*source*/)
{
	return false;
}

bool RenderInterface::GenerateTexture(TextureHandle& /*texture_handle*/, const byte* /*source*/, const Vector2i& /*source_dimensions*/)
{
	return false;
}

void RenderInterface::ReleaseTexture(TextureHandle /*texture*/) {}

void RenderInterface::SetTransform(const Matrix4f* /*transform*/) {}

void RenderInterface::PushLayer(LayerFill /*layer_fill*/) {}

void RenderInterface::PopLayer(BlendMode /*blend_mode*/, const FilterHandleList& /*filters*/) {}

CompiledFilterHandle RenderInterface::CompileFilter(const String& /*name*/, const Dictionary& /*parameters*/)
{
	return CompiledFilterHandle{};
}

void RenderInterface::ReleaseCompiledFilter(CompiledFilterHandle /*filter*/) {}

} // namespace Rml