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Use backoff to invalidate textures as well.

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Unknown W. Brackets 2013-02-10 13:19:01 -08:00
parent 634b9112e4
commit f15c1839ac
2 changed files with 23 additions and 6 deletions
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25
GPU/GLES/TextureCache.cpp
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@ -16,6 +16,7 @@
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include <map>
#include <algorithm>
#include "../../Core/MemMap.h"
#include "../ge_constants.h"
@ -65,7 +66,7 @@ void TextureCache::Clear(bool delete_them) {
void TextureCache::Decimate() {
glBindTexture(GL_TEXTURE_2D, 0);
for (TexCache::iterator iter = cache.begin(), end = cache.end(); iter != end; ) {
if (iter->second.frameCounter + TEXTURE_KILL_AGE < gpuStats.numFrames) {
if (iter->second.lastFrame + TEXTURE_KILL_AGE < gpuStats.numFrames) {
glDeleteTextures(1, &iter->second.texture);
cache.erase(iter++);
}
@ -728,6 +729,22 @@ void TextureCache::SetTexture() {
entry.cluthash != Memory::Read_U32(entry.clutaddr)))
match = false;
if (entry.maxLevel != maxLevel)
match = false;
if (match) {
if (entry.lastFrame != gpuStats.numFrames) {
entry.numFrames++;
}
if (entry.framesUntilNextFullHash == 0) {
entry.invalidHint = 360;
// Exponential backoff up to 2048 frames. Textures are often reused.
entry.framesUntilNextFullHash = std::min(2048, entry.numFrames);
} else {
--entry.framesUntilNextFullHash;
}
}
// If it's not huge or has been invalidated many times, recheck the whole texture.
if (entry.invalidHint > 180 || (entry.invalidHint > 15 && dim <= 0x909)) {
entry.invalidHint = 0;
@ -742,12 +759,10 @@ void TextureCache::SetTexture() {
match = false;
}
}
if (entry.maxLevel != maxLevel)
match = false;
if (match) {
//got one!
entry.frameCounter = gpuStats.numFrames;
entry.lastFrame = gpuStats.numFrames;
if (entry.texture != lastBoundTexture) {
glBindTexture(GL_TEXTURE_2D, entry.texture);
lastBoundTexture = entry.texture;
@ -770,7 +785,7 @@ void TextureCache::SetTexture() {
entry.addr = texaddr;
entry.hash = texhash;
entry.format = format;
entry.frameCounter = gpuStats.numFrames;
entry.lastFrame = gpuStats.numFrames;
entry.fbo = 0;
entry.maxLevel = maxLevel;
entry.lodBias = 0.0f;

4
GPU/GLES/TextureCache.h
View File

@ -49,7 +49,9 @@ private:
u32 hash;
FBO *fbo; // if null, not sourced from an FBO.
u32 sizeInRAM;
int frameCounter;
int lastFrame;
int numFrames;
u32 framesUntilNextFullHash;
u8 format;
u8 clutformat;
u16 dim;