mirror of
https://github.com/hrydgard/ppsspp.git
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105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
// Copyright (c) 2016- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#include "ext/xxhash.h"
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#include "Common/FileUtil.h"
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#include "Core/Config.h"
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#include "Core/System.h"
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#include "Core/ELF/ParamSFO.h"
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#include "GPU/Common/TextureDecoder.h"
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#include "GPU/Common/TextureReplacer.h"
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TextureReplacer::TextureReplacer() : enabled_(false) {
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}
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TextureReplacer::~TextureReplacer() {
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}
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void TextureReplacer::Init() {
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NotifyConfigChanged();
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}
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void TextureReplacer::NotifyConfigChanged() {
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gameID_ = g_paramSFO.GetValueString("DISC_ID");
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enabled_ = !gameID_.empty() && (g_Config.bReplaceTextures || g_Config.bSaveNewTextures);
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if (enabled_) {
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basePath_ = GetSysDirectory(DIRECTORY_TEXTURES) + gameID_ + "/";
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// If we're saving, auto-create the directory.
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if (g_Config.bSaveNewTextures && !File::Exists(basePath_)) {
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File::CreateFullPath(basePath_);
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}
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enabled_ = File::Exists(basePath_) && File::IsDirectory(basePath_);
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}
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// TODO: Load ini file.
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}
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u32 TextureReplacer::ComputeHash(u32 addr, int bufw, int w, int h, GETextureFormat fmt, u16 maxSeenV) {
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_dbg_assert_msg_(G3D, enabled_, "Replacement not enabled");
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if (!LookupHashRange(addr, w, h)) {
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// There wasn't any hash range, let's fall back to maxSeenV logic.
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if (h == 512 && maxSeenV < 512 && maxSeenV != 0) {
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h = (int)maxSeenV;
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}
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}
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// TODO: In order to have the most stable hash possible, skip space between w/bufw?
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// TODO: Use hash based on ini file, or always crc32c, or etc.
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const u32 sizeInRAM = (textureBitsPerPixel[fmt] * bufw * h) / 8;
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const u32 *checkp = (const u32 *)Memory::GetPointer(addr);
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return DoQuickTexHash(checkp, sizeInRAM);
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}
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ReplacedTexture TextureReplacer::FindReplacement(u32 hash) {
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_assert_msg_(G3D, enabled_, "Replacement not enabled");
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ReplacedTexture result;
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result.alphaStatus_ = ReplacedTextureAlpha::UNKNOWN;
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// Only actually replace if we're replacing. We might just be saving.
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if (g_Config.bReplaceTextures) {
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// TODO
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}
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return result;
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}
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void TextureReplacer::NotifyTextureDecoded(u32 hash, const void *data, int pitch, int w, int h, ReplacedTextureFormat fmt) {
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_assert_msg_(G3D, enabled_, "Replacement not enabled");
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if (!g_Config.bSaveNewTextures) {
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// Ignore.
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return;
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}
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// TODO
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}
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bool TextureReplacer::LookupHashRange(u32 addr, int &w, int &h) {
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// TODO: Pull from table loaded via ini.
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return false;
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}
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void ReplacedTexture::Load(int level, void *out, int rowPitch) {
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_assert_msg_(G3D, (size_t)level < levels_.size(), "Invalid miplevel");
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_assert_msg_(G3D, out != nullptr && rowPitch > 0, "Invalid out/pitch");
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// TODO
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}
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