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/* Copyright (C) 2023 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_RENDERER_BACKEND_ISHADERPROGRAM
#define INCLUDED_RENDERER_BACKEND_ISHADERPROGRAM
#include "lib/file/vfs/vfs_path.h"
#include "renderer/backend/IDeviceObject.h"
#include <cstdint>
#include <vector>
class CStrIntern;
namespace Renderer::Backend { enum class Format; }
namespace Renderer
{
namespace Backend
{
enum class VertexAttributeStream : uint32_t
{
POSITION,
NORMAL,
COLOR,
UV0,
UV1,
UV2,
UV3,
UV4,
UV5,
UV6,
UV7,
};
enum class VertexAttributeRate : uint32_t
{
PER_VERTEX,
PER_INSTANCE
};
struct SVertexAttributeFormat
{
VertexAttributeStream stream;
Format format;
uint32_t offset;
uint32_t stride;
VertexAttributeRate rate;
uint32_t bindingSlot;
constexpr bool operator==(const SVertexAttributeFormat& other) const noexcept
{
return stream == other.stream && format == other.format &&
offset == other.offset && stride == other.stride &&
rate == other.rate && bindingSlot == other.bindingSlot;
}
};
/**
* IVertexInputLayout stores precompiled list of vertex attributes.
*/
class IVertexInputLayout : public IDeviceObject<IVertexInputLayout>
{
};
/**
* IShaderProgram is a container for multiple shaders of different types.
*/
class IShaderProgram : public IDeviceObject<IShaderProgram>
{
public:
virtual int32_t GetBindingSlot(const CStrIntern name) const = 0;
virtual std::vector<VfsPath> GetFileDependencies() const = 0;
};
} // namespace Backend
} // namespace Renderer
#endif // INCLUDED_RENDERER_BACKEND_ISHADERPROGRAM
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