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Add HwHelper::getLocalMemoryAccessMode helper function

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Change-Id: Ia181cfca11f648f1631e1fcd82458024d019e038
Signed-off-by: Bartosz Dunajski <bartosz.dunajski@intel.com>
This commit is contained in:
Filip Hazubski
2020-07-17 15:43:35 +02:00
committed by sys_ocldev
parent 526e9eb962
commit 4011f0361e
5 changed files with 48 additions and 0 deletions
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1
shared/source/debug_settings/debug_variables_base.inl
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@@ -192,3 +192,4 @@ DECLARE_DEBUG_VARIABLE(int32_t, AllocateSharedAllocationsWithCpuAndGpuStorage, -
DECLARE_DEBUG_VARIABLE(bool, UseMaxSimdSizeToDeduceMaxWorkgroupSize, false, "With this flag on, max workgroup size is deduced using SIMD32 instead of SIMD8, this causes the max wkg size to be 4 times bigger")
DECLARE_DEBUG_VARIABLE(bool, ReturnRawGpuTimestamps, false, "Driver returns raw GPU tiemstamps instead of calculated ones.")
DECLARE_DEBUG_VARIABLE(int32_t, ForceSemaphoreDelayBetweenWaits, -1, "Specifies the minimum number of microseconds allowed for command streamer to wait before re-fetching the data. 0 - poll interval will be equal to the memory latency of the read completion")
DECLARE_DEBUG_VARIABLE(int32_t, ForceLocalMemoryAccessMode, -1, "-1: don't override, 0: default rules apply, 1: CPU can access local memory, 3: CPU never accesses local memory")

13
shared/source/helpers/hw_helper.h
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@@ -29,6 +29,12 @@ struct HardwareCapabilities;
struct RootDeviceEnvironment;
struct PipeControlArgs;
enum class LocalMemoryAccessMode {
Default = 0,
CpuAccessAllowed = 1,
CpuAccessDisallowed = 3
};
class HwHelper {
public:
using EngineInstancesContainer = StackVec<aub_stream::EngineType, 32>;
@@ -57,6 +63,7 @@ class HwHelper {
virtual bool checkResourceCompatibility(GraphicsAllocation &graphicsAllocation) = 0;
virtual bool allowRenderCompression(const HardwareInfo &hwInfo) const = 0;
virtual bool isBlitCopyRequiredForLocalMemory(const HardwareInfo &hwInfo) const = 0;
virtual LocalMemoryAccessMode getLocalMemoryAccessMode(const HardwareInfo &hwInfo) const = 0;
static bool renderCompressedBuffersSupported(const HardwareInfo &hwInfo);
static bool renderCompressedImagesSupported(const HardwareInfo &hwInfo);
static bool cacheFlushAfterWalkerSupported(const HardwareInfo &hwInfo);
@@ -111,6 +118,8 @@ class HwHelper {
static constexpr uint32_t internalUsageEngineIndex = 2;
protected:
virtual LocalMemoryAccessMode getDefaultLocalMemoryAccessMode(const HardwareInfo &hwInfo) const = 0;
HwHelper() = default;
};
@@ -273,9 +282,13 @@ class HwHelperHw : public HwHelper {
bool isBlitCopyRequiredForLocalMemory(const HardwareInfo &hwInfo) const override;
LocalMemoryAccessMode getLocalMemoryAccessMode(const HardwareInfo &hwInfo) const override;
bool isBankOverrideRequired(const HardwareInfo &hwInfo) const override;
protected:
LocalMemoryAccessMode getDefaultLocalMemoryAccessMode(const HardwareInfo &hwInfo) const override;
static const AuxTranslationMode defaultAuxTranslationMode;
HwHelperHw() = default;
};

16
shared/source/helpers/hw_helper_base.inl
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@@ -392,6 +392,22 @@ inline bool HwHelperHw<GfxFamily>::isBlitCopyRequiredForLocalMemory(const Hardwa
return false;
}
template <typename GfxFamily>
LocalMemoryAccessMode HwHelperHw<GfxFamily>::getLocalMemoryAccessMode(const HardwareInfo &hwInfo) const {
switch (static_cast<LocalMemoryAccessMode>(DebugManager.flags.ForceLocalMemoryAccessMode.get())) {
case LocalMemoryAccessMode::Default:
case LocalMemoryAccessMode::CpuAccessAllowed:
case LocalMemoryAccessMode::CpuAccessDisallowed:
return static_cast<LocalMemoryAccessMode>(DebugManager.flags.ForceLocalMemoryAccessMode.get());
}
return getDefaultLocalMemoryAccessMode(hwInfo);
}
template <typename GfxFamily>
inline LocalMemoryAccessMode HwHelperHw<GfxFamily>::getDefaultLocalMemoryAccessMode(const HardwareInfo &hwInfo) const {
return LocalMemoryAccessMode::Default;
}
template <typename GfxFamily>
size_t MemorySynchronizationCommands<GfxFamily>::getSizeForFullCacheFlush() {
return sizeof(typename GfxFamily::PIPE_CONTROL);