41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
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// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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#include "common/vector_math.h"
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#include "video_core/pica.h"
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namespace Pica {
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namespace Texture {
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struct TextureInfo {
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PAddr physical_address;
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int width;
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int height;
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int stride;
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Pica::Regs::TextureFormat format;
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static TextureInfo FromPicaRegister(const Pica::Regs::TextureConfig& config,
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const Pica::Regs::TextureFormat& format);
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};
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/**
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* Lookup texel located at the given coordinates and return an RGBA vector of its color.
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* @param source Source pointer to read data from
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* @param s,t Texture coordinates to read from
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* @param info TextureInfo object describing the texture setup
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* @param disable_alpha This is used for debug widgets which use this method to display textures
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* without providing a good way to visualize alpha by themselves. If true, this will return 255 for
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* the alpha component, and either drop the information entirely or store it in an "unused" color
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* channel.
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* @todo Eventually we should get rid of the disable_alpha parameter.
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*/
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Math::Vec4<u8> LookupTexture(const u8* source, int s, int t, const TextureInfo& info,
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bool disable_alpha = false);
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} // namespace Texture
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} // namespace Pica
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