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LibGPU: Add basic shader IR

This adds a header to LibGPU with a basic IR for vertex and fragment
shaders.
This commit is contained in:
Stephan Unverwerth 2022-08-28 19:22:02 +02:00 committed by Andrew Kaster
parent 1b7b6e6c91
commit 5f0eb812ac

View file

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/*
* Copyright (c) 2022, Stephan Unverwerth <s.unverwerth@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/Vector.h>
namespace GPU::IR {
enum class Opcode {
Move,
};
enum class StorageLocation {
Constant,
Uniform,
Input,
Output,
Temporary,
};
enum class StorageType {
Float,
Vector2,
Vector3,
Vector4,
Matrix3x3,
Matrix4x4,
};
struct StorageReference final {
StorageLocation location;
size_t index;
};
struct Instruction final {
Opcode operation;
Vector<StorageReference> arguments;
StorageReference result;
};
struct Constant final {
StorageType type;
union {
float float_values[16];
};
};
struct Uniform final {
String name;
StorageType type;
};
struct Input final {
String name;
StorageType type;
};
struct Output final {
String name;
StorageType type;
};
struct Temporary final {
StorageType type;
};
struct Shader final {
Vector<Constant> constants;
Vector<Uniform> uniforms;
Vector<Temporary> temporaries;
Vector<Instruction> instructions;
};
}