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Rather than only enlarging, watch for persistence.

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If the game keeps using something at a new size, we know it's time to make
some adjustments.
This commit is contained in:
Unknown W. Brackets 2014-04-12 23:08:04 -07:00
parent 1a53be45cc
commit f462721394
2 changed files with 25 additions and 17 deletions
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37
GPU/GLES/Framebuffer.cpp
View file

@ -708,30 +708,19 @@ void FramebufferManager::DoSetRenderFrameBuffer() {
int buffer_width = drawing_width;
int buffer_height = drawing_height;
bool embiggened = false;
// Find a matching framebuffer
VirtualFramebuffer *vfb = 0;
for (size_t i = 0; i < vfbs_.size(); ++i) {
size_t i;
for (i = 0; i < vfbs_.size(); ++i) {
VirtualFramebuffer *v = vfbs_[i];
if (MaskedEqual(v->fb_address, fb_address)) {
vfb = v;
// Update fb stride in case it changed
vfb->fb_stride = fb_stride;
if (v->width < drawing_width && v->height < drawing_height) {
// Embiggen if it gets bigger, but only once.
// This prevents it happening over and over again.
if (!v->embiggened) {
// TODO: Could copy over the data.
embiggened = true;
vfb = NULL;
DestroyFramebuf(v);
vfbs_.erase(vfbs_.begin() + i);
break;
} else {
v->width = drawing_width;
v->height = drawing_height;
}
v->width = drawing_width;
v->height = drawing_height;
}
if (v->format != fmt) {
v->width = drawing_width;
@ -742,6 +731,20 @@ void FramebufferManager::DoSetRenderFrameBuffer() {
}
}
if (vfb && (drawing_width != vfb->bufferWidth || drawing_height != vfb->bufferHeight)) {
// If it's newly wrong, or changing every frame, just keep track.
if (vfb->newWidth != drawing_width || vfb->newHeight != drawing_height) {
vfb->newWidth = drawing_width;
vfb->newHeight = drawing_height;
vfb->lastFrameNewSize = gpuStats.numFlips;
} else if (vfb->lastFrameNewSize + FBO_OLD_AGE <= gpuStats.numFlips) {
// Okay, it's changed for a while (and stayed that way.) Let's start over.
DestroyFramebuf(vfb);
vfbs_.erase(vfbs_.begin() + i);
vfb = NULL;
}
}
float renderWidthFactor = (float)PSP_CoreParameter().renderWidth / 480.0f;
float renderHeightFactor = (float)PSP_CoreParameter().renderHeight / 272.0f;
@ -756,6 +759,9 @@ void FramebufferManager::DoSetRenderFrameBuffer() {
vfb->z_stride = z_stride;
vfb->width = drawing_width;
vfb->height = drawing_height;
vfb->newWidth = drawing_width;
vfb->newHeight = drawing_height;
vfb->lastFrameNewSize = gpuStats.numFlips;
vfb->renderWidth = (u16)(drawing_width * renderWidthFactor);
vfb->renderHeight = (u16)(drawing_height * renderHeightFactor);
vfb->bufferWidth = buffer_width;
@ -767,7 +773,6 @@ void FramebufferManager::DoSetRenderFrameBuffer() {
vfb->reallyDirtyAfterDisplay = true;
vfb->memoryUpdated = false;
vfb->depthUpdated = false;
vfb->embiggened = embiggened;
if (g_Config.bTrueColor) {
vfb->colorDepth = FBO_8888;

5
GPU/GLES/Framebuffer.h
View file

@ -79,13 +79,16 @@ struct VirtualFramebuffer {
u16 usageFlags;
u16 newWidth;
u16 newHeight;
int lastFrameNewSize;
GEBufferFormat format; // virtual, right now they are all RGBA8888
FBOColorDepth colorDepth;
FBO *fbo;
bool dirtyAfterDisplay;
bool reallyDirtyAfterDisplay; // takes frame skipping into account
bool embiggened;
};
void CenterRect(float *x, float *y, float *w, float *h,