mirror of
https://github.com/RGBCube/serenity
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9a1364d784
This increases memory usage for textures 4-fold, but allows us to completely remove calls to `(un)pack_color` in a very hot loop.
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/*
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* Copyright (c) 2021, Stephan Unverwerth <s.unverwerth@serenityos.org>
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* Copyright (c) 2022, Jelle Raaijmakers <jelle@gmta.nl>
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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/FixedArray.h>
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#include <AK/RefPtr.h>
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#include <LibGPU/Image.h>
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#include <LibGPU/ImageDataLayout.h>
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#include <LibGfx/Vector3.h>
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#include <LibGfx/Vector4.h>
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#include <LibSoftGPU/Buffer/Typed3DBuffer.h>
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namespace SoftGPU {
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class Image final : public GPU::Image {
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public:
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Image(void* const ownership_token, unsigned width, unsigned height, unsigned depth, unsigned max_levels, unsigned layers);
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unsigned level_width(unsigned level) const { return m_mipmap_buffers[level]->width(); }
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unsigned level_height(unsigned level) const { return m_mipmap_buffers[level]->height(); }
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unsigned level_depth(unsigned level) const { return m_mipmap_buffers[level]->depth(); }
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unsigned num_levels() const { return m_num_levels; }
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unsigned num_layers() const { return m_num_layers; }
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bool width_is_power_of_two() const { return m_width_is_power_of_two; }
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bool height_is_power_of_two() const { return m_height_is_power_of_two; }
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bool depth_is_power_of_two() const { return m_depth_is_power_of_two; }
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FloatVector4 texel(unsigned layer, unsigned level, int x, int y, int z) const
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{
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return *texel_pointer(layer, level, x, y, z);
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}
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void set_texel(unsigned layer, unsigned level, int x, int y, int z, FloatVector4 const& color)
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{
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*texel_pointer(layer, level, x, y, z) = color;
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}
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virtual void write_texels(unsigned layer, unsigned level, Vector3<unsigned> const& offset, Vector3<unsigned> const& size, void const* data, GPU::ImageDataLayout const& layout) override;
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virtual void read_texels(unsigned layer, unsigned level, Vector3<unsigned> const& offset, Vector3<unsigned> const& size, void* data, GPU::ImageDataLayout const& layout) const override;
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virtual void copy_texels(GPU::Image const& source, unsigned source_layer, unsigned source_level, Vector3<unsigned> const& source_offset, Vector3<unsigned> const& size, unsigned destination_layer, unsigned destination_level, Vector3<unsigned> const& destination_offset) override;
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private:
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FloatVector4 const* texel_pointer(unsigned layer, unsigned level, int x, int y, int z) const
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{
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return m_mipmap_buffers[layer * m_num_layers + level]->buffer_pointer(x, y, z);
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}
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FloatVector4* texel_pointer(unsigned layer, unsigned level, int x, int y, int z)
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{
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return m_mipmap_buffers[layer * m_num_layers + level]->buffer_pointer(x, y, z);
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}
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private:
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unsigned m_num_levels { 0 };
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unsigned m_num_layers { 0 };
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FixedArray<RefPtr<Typed3DBuffer<FloatVector4>>> m_mipmap_buffers;
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bool m_width_is_power_of_two { false };
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bool m_height_is_power_of_two { false };
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bool m_depth_is_power_of_two { false };
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};
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}
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