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Merge pull request #603 from Subv/nvmap_free 

GPU: Remove unmapped surfaces from the rasterizer cache and fix our nvmap::Free behavior.
This commit is contained in:
Sebastian Valle 2018-07-02 14:07:17 -05:00 committed by GitHub
parent 9685dd5840 6c0c81dfdc
commit 79167fc989
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 16 additions and 4 deletions
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5
src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
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@ -8,6 +8,8 @@
#include "core/core.h"
#include "core/hle/service/nvdrv/devices/nvhost_as_gpu.h"
#include "core/hle/service/nvdrv/devices/nvmap.h"
#include "video_core/renderer_base.h"
#include "video_core/video_core.h"
namespace Service::Nvidia::Devices {
@ -154,6 +156,9 @@ u32 nvhost_as_gpu::UnmapBuffer(const std::vector<u8>& input, std::vector<u8>& ou
ASSERT_MSG(itr != buffer_mappings.end(), "Tried to unmap invalid mapping");
// Remove this memory region from the rasterizer cache.
VideoCore::g_renderer->Rasterizer()->FlushAndInvalidateRegion(params.offset, itr->second.size);
params.offset = gpu.memory_manager->UnmapBuffer(params.offset, itr->second.size);
buffer_mappings.erase(itr->second.offset);

13
src/core/hle/service/nvdrv/devices/nvmap.cpp
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@ -148,6 +148,7 @@ u32 nvmap::IocParam(const std::vector<u8>& input, std::vector<u8>& output) {
}
u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
// TODO(Subv): These flags are unconfirmed.
enum FreeFlags {
Freed = 0,
NotFreedYet = 1,
@ -161,15 +162,21 @@ u32 nvmap::IocFree(const std::vector<u8>& input, std::vector<u8>& output) {
auto itr = handles.find(params.handle);
ASSERT(itr != handles.end());
ASSERT(itr->second->refcount > 0);
itr->second->refcount--;
params.refcount = itr->second->refcount;
params.size = itr->second->size;
if (itr->second->refcount == 0)
if (itr->second->refcount == 0) {
params.flags = Freed;
else
// The address of the nvmap is written to the output if we're finally freeing it, otherwise
// 0 is written.
params.address = itr->second->addr;
} else {
params.flags = NotFreedYet;
params.address = 0;
}
handles.erase(params.handle);

2
src/core/hle/service/nvdrv/devices/nvmap.h
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@ -94,7 +94,7 @@ private:
struct IocFreeParams {
u32_le handle;
INSERT_PADDING_BYTES(4);
u64_le refcount;
u64_le address;
u32_le size;
u32_le flags;
};