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