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-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp5
-rw-r--r--src/core/hle/service/nvdrv/devices/nvmap.cpp13
-rw-r--r--src/core/hle/service/nvdrv/devices/nvmap.h2
3 files changed, 16 insertions, 4 deletions
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
index c1eea861d..7d8ed6920 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_as_gpu.cpp
@@ -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);
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.cpp b/src/core/hle/service/nvdrv/devices/nvmap.cpp
index 23fe98190..2fc7c87e0 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvmap.cpp
@@ -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);
diff --git a/src/core/hle/service/nvdrv/devices/nvmap.h b/src/core/hle/service/nvdrv/devices/nvmap.h
index 39fafaa7c..f2eec6409 100644
--- a/src/core/hle/service/nvdrv/devices/nvmap.h
+++ b/src/core/hle/service/nvdrv/devices/nvmap.h
@@ -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;
};