Emulation/ppsspp
1
0
Fork 0
mirror of https://github.com/hrydgard/ppsspp.git synced 2025-04-02 11:01:50 -04:00
Code Issues Projects Releases Packages Wiki Activity

Use the CPU for download on non-NVIDIA cards.

Browse source 
Fixes #6494.
This commit is contained in:
Unknown W. Brackets 2014-07-04 14:01:28 -07:00
parent 7081e7d0de
commit 4cb8c414b0
1 changed files with 7 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
GPU/GLES/Framebuffer.cpp
View file

@ -1723,6 +1723,13 @@ void FramebufferManager::PackFramebufferAsync_(VirtualFramebuffer *vfb) {
bool unbind = false;
u8 nextPBO = (currentPBO_ + 1) % MAX_PBO;
bool useCPU = g_Config.iRenderingMode == FB_READFBOMEMORY_CPU;
// We might get here if hackForce04154000Download_ is hit.
// Some cards or drivers seem to always dither when downloading a framebuffer to 16-bit.
// This causes glitches in games that expect the exact values.
// It has not been experienced on NVIDIA cards, so those are left using the GPU (which is faster.)
if (g_Config.iRenderingMode == FB_BUFFERED_MODE && gl_extensions.gpuVendor != GPU_VENDOR_NVIDIA) {
useCPU = true;
}
// We'll prepare two PBOs to switch between readying and reading
if (!pixelBufObj_) {