Merge pull request #9447 from unknownbrackets/texcache

Always mark videos as frequently changing

Core/Screenshot.h

@@ -28,13 +28,12 @@ enum ScreenshotType {
 	// What's being show on screen (e.g. including FPS, etc.)
 	SCREENSHOT_OUTPUT,
 	// What the game rendered (e.g. at render resolution) to the display.
-	// Can only be used while in game.
 	SCREENSHOT_DISPLAY,
 	// What the game is in-progress rendering now.
-	// Can only be used while in game.
 	SCREENSHOT_RENDER,
 };
 
 const u8 *ConvertBufferTo888RGB(const GPUDebugBuffer &buf, u8 *&temp, u32 &w, u32 &h);
 
+// Can only be used while in game.
 bool TakeGameScreenshot(const char *filename, ScreenshotFormat fmt, ScreenshotType type, int *width = nullptr, int *height = nullptr, int maxRes = -1);

GPU/Common/ShaderTranslation.cpp

@@ -210,7 +210,7 @@ bool TranslateShader(std::string *dest, ShaderLanguage destLang, TranslatedShade
 	// Can't fail, parsing worked, "linking" worked.
 	glslang::GlslangToSpv(*program.getIntermediate(shaderStage), spirv);
 
-	// Alright, step 1 done. Now let's takes this SPIR-V shader and output in our desired format.
+	// Alright, step 1 done. Now let's take this SPIR-V shader and output in our desired format.
 
 	switch (destLang) {
 	case GLSL_VULKAN:
@@ -276,4 +276,4 @@ bool TranslateShader(std::string *dest, ShaderLanguage destLang, TranslatedShade
 	}
 }
 
-#endif
+#endif

GPU/Common/TextureCacheCommon.cpp

@@ -34,7 +34,7 @@
 #include <emmintrin.h>
 #endif
 
-// Videos should be updated every few frames, so we forge quickly.
+// Videos should be updated every few frames, so we forget quickly.
 #define VIDEO_DECIMATE_AGE 4
 
 // If a texture hasn't been seen for this many frames, get rid of it.
@@ -349,11 +349,12 @@ void TextureCacheCommon::SetTexture(bool force) {
 			nextTexture_ = entry;
 			nextNeedsRehash_ = rehash;
 			nextNeedsChange_ = false;
-			// Might need a rebuild if the hash fails.
+			// Might need a rebuild if the hash fails, but that will be set later.
 			nextNeedsRebuild_ = false;
 			VERBOSE_LOG(G3D, "Texture at %08x Found in Cache, applying", texaddr);
 			return; //Done!
 		} else {
+			// Wasn't a match, we will rebuild.
 			nextChangeReason_ = reason;
 			nextNeedsChange_ = true;
 		}
@@ -502,6 +503,16 @@ bool TextureCacheCommon::HandleTextureChange(TexCacheEntry *const entry, const c
 		}
 	}
 
+	entry->status |= TexCacheEntry::STATUS_UNRELIABLE;
+	if (entry->numFrames < TEXCACHE_FRAME_CHANGE_FREQUENT) {
+		if (entry->status & TexCacheEntry::STATUS_FREE_CHANGE) {
+			entry->status &= ~TexCacheEntry::STATUS_FREE_CHANGE;
+		} else {
+			entry->status |= TexCacheEntry::STATUS_CHANGE_FREQUENT;
+		}
+	}
+	entry->numFrames = 0;
+
 	return replaceImages;
 }
 
@@ -1356,7 +1367,6 @@ void TextureCacheCommon::ReadIndexedTex(u8 *out, int outPitch, int level, const
 	}
 }
 
-
 void TextureCacheCommon::ApplyTexture() {
 	TexCacheEntry *entry = nextTexture_;
 	if (entry == nullptr) {
@@ -1368,6 +1378,13 @@ void TextureCacheCommon::ApplyTexture() {
 
 	bool replaceImages = false;
 	if (nextNeedsRebuild_) {
+		// Regardless of hash fails or otherwise, if this is a video, mark it frequently changing.
+		// This prevents temporary scaling perf hits on the first second of video.
+		bool isVideo = videos_.find(entry->addr & 0x3FFFFFFF) != videos_.end();
+		if (isVideo) {
+			entry->status |= TexCacheEntry::STATUS_CHANGE_FREQUENT;
+		}
+
 		if (nextNeedsRehash_) {
 			// Update the hash on the texture.
 			int w = gstate.getTextureWidth(0);
@@ -1438,13 +1455,11 @@ void TextureCacheCommon::DeleteTexture(TexCache::iterator it) {
 }
 
 bool TextureCacheCommon::CheckFullHash(TexCacheEntry *entry, bool &doDelete) {
-	bool hashFail = false;
 	int w = gstate.getTextureWidth(0);
 	int h = gstate.getTextureHeight(0);
 	u32 fullhash = QuickTexHash(replacer_, entry->addr, entry->bufw, w, h, GETextureFormat(entry->format), entry);
-	if (fullhash != entry->fullhash) {
-		hashFail = true;
-	} else {
+
+	if (fullhash == entry->fullhash) {
 		if (g_Config.bTextureBackoffCache) {
 			if (entry->GetHashStatus() != TexCacheEntry::STATUS_HASHING && entry->numFrames > TexCacheEntry::FRAMES_REGAIN_TRUST) {
 				// Reset to STATUS_HASHING.
@@ -1454,51 +1469,42 @@ bool TextureCacheCommon::CheckFullHash(TexCacheEntry *entry, bool &doDelete) {
 		} else if (entry->numFrames > TEXCACHE_FRAME_CHANGE_FREQUENT_REGAIN_TRUST) {
 			entry->status &= ~TexCacheEntry::STATUS_CHANGE_FREQUENT;
 		}
+
+		return true;
 	}
 
-	if (hashFail) {
+	// Don't give up just yet.  Let's try the secondary cache if it's been invalidated before.
+	// If it's failed a bunch of times, then the second cache is just wasting time and VRAM.
+	if (g_Config.bTextureSecondaryCache) {
+		// Don't forget this one was unreliable (in case we match a secondary entry.)
 		entry->status |= TexCacheEntry::STATUS_UNRELIABLE;
-		if (entry->numFrames < TEXCACHE_FRAME_CHANGE_FREQUENT) {
-			if (entry->status & TexCacheEntry::STATUS_FREE_CHANGE) {
-				entry->status &= ~TexCacheEntry::STATUS_FREE_CHANGE;
-			} else {
-				entry->status |= TexCacheEntry::STATUS_CHANGE_FREQUENT;
-			}
-		}
-		entry->numFrames = 0;
-
-		// Don't give up just yet.  Let's try the secondary cache if it's been invalidated before.
-		// If it's failed a bunch of times, then the second cache is just wasting time and VRAM.
-		if (g_Config.bTextureSecondaryCache) {
-			if (entry->numInvalidated > 2 && entry->numInvalidated < 128 && !lowMemoryMode_) {
-				u64 secondKey = fullhash | (u64)entry->cluthash << 32;
-				TexCache::iterator secondIter = secondCache_.find(secondKey);
-				if (secondIter != secondCache_.end()) {
-					TexCacheEntry *secondEntry = secondIter->second.get();
-					if (secondEntry->Matches(entry->dim, entry->format, entry->maxLevel)) {
-						// Reset the numInvalidated value lower, we got a match.
-						if (entry->numInvalidated > 8) {
-							--entry->numInvalidated;
-						}
-						nextTexture_ = secondEntry;
-						return true;
+
+		if (entry->numInvalidated > 2 && entry->numInvalidated < 128 && !lowMemoryMode_) {
+			u64 secondKey = fullhash | (u64)entry->cluthash << 32;
+			TexCache::iterator secondIter = secondCache_.find(secondKey);
+			if (secondIter != secondCache_.end()) {
+				TexCacheEntry *secondEntry = secondIter->second.get();
+				if (secondEntry->Matches(entry->dim, entry->format, entry->maxLevel)) {
+					// Reset the numInvalidated value lower, we got a match.
+					if (entry->numInvalidated > 8) {
+						--entry->numInvalidated;
 					}
-				} else {
-					secondKey = entry->fullhash | ((u64)entry->cluthash << 32);
-					secondCacheSizeEstimate_ += EstimateTexMemoryUsage(entry);
-					// Is this wise? We simply copy the entry.
-					secondCache_[secondKey].reset(new TexCacheEntry(*entry));
-					doDelete = false;
+					nextTexture_ = secondEntry;
+					return true;
 				}
+			} else {
+				secondKey = entry->fullhash | ((u64)entry->cluthash << 32);
+				secondCacheSizeEstimate_ += EstimateTexMemoryUsage(entry);
+				// Is this wise? We simply copy the entry.
+				secondCache_[secondKey].reset(new TexCacheEntry(*entry));
+				doDelete = false;
 			}
 		}
-
-		// We know it failed, so update the full hash right away.
-		entry->fullhash = fullhash;
-		return false;
 	}
 
-	return true;
+	// We know it failed, so update the full hash right away.
+	entry->fullhash = fullhash;
+	return false;
 }
 
 void TextureCacheCommon::Invalidate(u32 addr, int size, GPUInvalidationType type) {

GPU/Common/TextureCacheCommon.h

@@ -104,6 +104,9 @@ struct TexCacheEntry {
 		STATUS_DEPALETTIZE = 0x40,     // Needs to go through a depalettize pass.
 		STATUS_TO_SCALE = 0x80,        // Pending texture scaling in a later frame.
 		STATUS_IS_SCALED = 0x100,      // Has been scaled (can't be replaceImages'd.)
+		// When hashing large textures, we optimize 512x512 down to 512x272 by default, since this
+		// is commonly the only part accessed.  If access is made above 272, we hash the entire
+		// texture, and set this flag to allow scaling the texture just once for the new hash.
 		STATUS_FREE_CHANGE = 0x200,    // Allow one change before marking "frequent".
 	};