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Memory: Remove count of cached pages and add InvalidateRegion

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In a future commit, the count of cached pages will be reintroduced in
the actual surface cache. Also adds an Invalidate only to the cache
which marks a region as invalid in order to try to avoid a costly flush
from 3ds memory
This commit is contained in:
James Rowe 2017-11-23 10:43:12 -07:00
parent c821c14908
commit 13606a6d0b
8 changed files with 50 additions and 54 deletions
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3
src/video_core/rasterizer_interface.h
View file

@ -38,6 +38,9 @@ public:
/// Notify rasterizer that any caches of the specified region should be flushed to 3DS memory
virtual void FlushRegion(PAddr addr, u32 size) = 0;
/// Notify rasterizer that any caches of the specified region should be invalidated
virtual void InvalidateRegion(PAddr addr, u32 size) = 0;
/// Notify rasterizer that any caches of the specified region should be flushed to 3DS memory
/// and invalidated
virtual void FlushAndInvalidateRegion(PAddr addr, u32 size) = 0;

3
src/video_core/swrasterizer/swrasterizer.h
View file

@ -11,7 +11,7 @@ namespace Pica {
namespace Shader {
struct OutputVertex;
}
}
} // namespace Pica
namespace VideoCore {
@ -22,6 +22,7 @@ class SWRasterizer : public RasterizerInterface {
void NotifyPicaRegisterChanged(u32 id) override {}
void FlushAll() override {}
void FlushRegion(PAddr addr, u32 size) override {}
void InvalidateRegion(PAddr addr, u32 size) override {}
void FlushAndInvalidateRegion(PAddr addr, u32 size) override {}
};