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Don't re-report texture memory usage until the returned value changes

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This commit is contained in:
Brad Davis 2016-09-15 14:29:02 -07:00
parent 12de36a534
commit 50233f6ffb
1 changed files with 5 additions and 2 deletions
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5
libraries/gpu-gl/src/gpu/gl/GLTexture.cpp
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@ -93,6 +93,7 @@ const std::vector<GLenum>& GLTexture::getFaceTargets(GLenum target) {
} }
#define MIN_FREE_GPU_MEMORY_PERCENTAGE 0.25f #define MIN_FREE_GPU_MEMORY_PERCENTAGE 0.25f
float GLTexture::getMemoryPressure() { float GLTexture::getMemoryPressure() {
// Check for an explicit memory limit // Check for an explicit memory limit
auto availableTextureMemory = Texture::getAllowedGPUMemoryUsage(); auto availableTextureMemory = Texture::getAllowedGPUMemoryUsage();
@ -107,8 +108,10 @@ float GLTexture::getMemoryPressure() {
} else { } else {
// Check the global free GPU memory // Check the global free GPU memory
auto freeGpuMemory = getFreeDedicatedMemory(); auto freeGpuMemory = getFreeDedicatedMemory();
if (freeGpuMemory) { static gpu::Size lastFreeGpuMemory = 0;
auto freePercentage = (float)freeGpuMemory / (float)totalGpuMemory; auto freePercentage = (float)freeGpuMemory / (float)totalGpuMemory;
if (freeGpuMemory != lastFreeGpuMemory) {
lastFreeGpuMemory = freeGpuMemory;
if (freePercentage < MIN_FREE_GPU_MEMORY_PERCENTAGE) { if (freePercentage < MIN_FREE_GPU_MEMORY_PERCENTAGE) {
qDebug() << "Exceeded max GPU memory"; qDebug() << "Exceeded max GPU memory";
return 2.0; return 2.0;