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https://github.com/SerenityOS/serenity
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b18bf702ea
This adds a shader processor that executes our ISA when a fragment shader is currently bound to the device.
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
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* Copyright (c) 2022, Stephan Unverwerth <s.unverwerth@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Array.h>
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#include <AK/SIMD.h>
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#include <AK/Vector.h>
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#include <LibGPU/Config.h>
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#include <LibSoftGPU/PixelQuad.h>
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#include <LibSoftGPU/Sampler.h>
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namespace SoftGPU {
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class Shader;
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class ShaderProcessor final {
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public:
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ShaderProcessor(Array<Sampler, GPU::NUM_TEXTURE_UNITS>& samplers)
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: m_samplers { samplers }
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{
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}
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void execute(PixelQuad&, Shader const&);
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ALWAYS_INLINE AK::SIMD::f32x4 get_register(u16 index) const { return m_registers[index]; }
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ALWAYS_INLINE void set_register(u16 index, AK::SIMD::f32x4 value) { m_registers[index] = value; }
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private:
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void op_input(PixelQuad const&, Instruction::Arguments);
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void op_output(PixelQuad&, Instruction::Arguments);
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void op_sample2d(Instruction::Arguments);
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void op_swizzle(Instruction::Arguments);
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void op_add(Instruction::Arguments);
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void op_sub(Instruction::Arguments);
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void op_mul(Instruction::Arguments);
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void op_div(Instruction::Arguments);
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Array<Sampler, GPU::NUM_TEXTURE_UNITS>& m_samplers;
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AK::SIMD::f32x4 m_registers[1024];
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};
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}
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