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/*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2021 Blender Foundation.
* All rights reserved.
*/
/** \file
* \ingroup gpu
*/
#pragma once
#include "BLI_string_ref.hh"
#include "BLI_vector.hh"
#include <optional>
namespace blender::gpu {
enum class GLShaderPatcherState {
OkUnchanged,
OkChanged,
MismatchedPushConstantNames,
};
/** State to keep over GLSL compilation stages, linkage and shader_interface building. */
struct GLShaderPatcherContext {
GLShaderPatcherState state = GLShaderPatcherState::OkUnchanged;
/**
* All patched sources. During compilation stage source code is references as `const
* char*` These needs to be owned by a `std::string`.
*/
Vector<std::string> patched_sources;
struct {
std::optional<std::string> name;
} push_constants;
bool has_errors() const;
void free_patched_sources();
};
void patch_vulkan_to_opengl(GLShaderPatcherContext &context, MutableSpan<const char *> sources);
} // namespace blender::gpu
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