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Memory: Address Feedback.

This commit is contained in:
Fernando Sahmkow 2020-04-08 13:34:59 -04:00
parent e00d992848
commit 913f42a3a7
4 changed files with 75 additions and 4 deletions

View File

@ -294,6 +294,24 @@ public:
void ReadBlock(const Kernel::Process& process, VAddr src_addr, void* dest_buffer,
std::size_t size);
/**
* Reads a contiguous block of bytes from a specified process' address space.
* This unsafe version does not trigger GPU flushing.
*
* @param process The process to read the data from.
* @param src_addr The virtual address to begin reading from.
* @param dest_buffer The buffer to place the read bytes into.
* @param size The amount of data to read, in bytes.
*
* @note If a size of 0 is specified, then this function reads nothing and
* no attempts to access memory are made at all.
*
* @pre dest_buffer must be at least size bytes in length, otherwise a
* buffer overrun will occur.
*
* @post The range [dest_buffer, size) contains the read bytes from the
* process' address space.
*/
void ReadBlockUnsafe(const Kernel::Process& process, VAddr src_addr, void* dest_buffer,
std::size_t size);
@ -315,6 +333,23 @@ public:
*/
void ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size);
/**
* Reads a contiguous block of bytes from the current process' address space.
* This unsafe version does not trigger GPU flushing.
*
* @param src_addr The virtual address to begin reading from.
* @param dest_buffer The buffer to place the read bytes into.
* @param size The amount of data to read, in bytes.
*
* @note If a size of 0 is specified, then this function reads nothing and
* no attempts to access memory are made at all.
*
* @pre dest_buffer must be at least size bytes in length, otherwise a
* buffer overrun will occur.
*
* @post The range [dest_buffer, size) contains the read bytes from the
* current process' address space.
*/
void ReadBlockUnsafe(VAddr src_addr, void* dest_buffer, std::size_t size);
/**
@ -340,6 +375,23 @@ public:
void WriteBlock(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer,
std::size_t size);
/**
* Writes a range of bytes into a given process' address space at the specified
* virtual address.
* This unsafe version does not invalidate GPU Memory.
*
* @param process The process to write data into the address space of.
* @param dest_addr The destination virtual address to begin writing the data at.
* @param src_buffer The data to write into the process' address space.
* @param size The size of the data to write, in bytes.
*
* @post The address range [dest_addr, size) in the process' address space
* contains the data that was within src_buffer.
*
* @post If an attempt is made to write into an unmapped region of memory, the writes
* will be ignored and an error will be logged.
*
*/
void WriteBlockUnsafe(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer,
std::size_t size);
@ -364,6 +416,22 @@ public:
*/
void WriteBlock(VAddr dest_addr, const void* src_buffer, std::size_t size);
/**
* Writes a range of bytes into the current process' address space at the specified
* virtual address.
* This unsafe version does not invalidate GPU Memory.
*
* @param dest_addr The destination virtual address to begin writing the data at.
* @param src_buffer The data to write into the current process' address space.
* @param size The size of the data to write, in bytes.
*
* @post The address range [dest_addr, size) in the current process' address space
* contains the data that was within src_buffer.
*
* @post If an attempt is made to write into an unmapped region of memory, the writes
* will be ignored and an error will be logged.
*
*/
void WriteBlockUnsafe(VAddr dest_addr, const void* src_buffer, std::size_t size);
/**

View File

@ -97,6 +97,9 @@ public:
void WriteBlockUnsafe(GPUVAddr dest_addr, const void* src_buffer, std::size_t size);
void CopyBlockUnsafe(GPUVAddr dest_addr, GPUVAddr src_addr, std::size_t size);
/**
* IsGranularRange checks if a gpu region can be simply read with a pointer
*/
bool IsGranularRange(GPUVAddr gpu_addr, std::size_t size);
private:

View File

@ -658,7 +658,7 @@ void RasterizerOpenGL::FlushAll() {}
void RasterizerOpenGL::FlushRegion(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
if (!addr || !size) {
if (addr == 0 || size == 0) {
return;
}
texture_cache.FlushRegion(addr, size);
@ -668,7 +668,7 @@ void RasterizerOpenGL::FlushRegion(VAddr addr, u64 size) {
void RasterizerOpenGL::InvalidateRegion(VAddr addr, u64 size) {
MICROPROFILE_SCOPE(OpenGL_CacheManagement);
if (!addr || !size) {
if (addr == 0 || size == 0) {
return;
}
texture_cache.InvalidateRegion(addr, size);

View File

@ -496,7 +496,7 @@ void RasterizerVulkan::Query(GPUVAddr gpu_addr, VideoCore::QueryType type,
void RasterizerVulkan::FlushAll() {}
void RasterizerVulkan::FlushRegion(VAddr addr, u64 size) {
if (!addr || !size) {
if (addr == 0 || size == 0) {
return;
}
CacheAddr cache_addr = ToCacheAddr(system.Memory().GetPointer(addr));
@ -506,7 +506,7 @@ void RasterizerVulkan::FlushRegion(VAddr addr, u64 size) {
}
void RasterizerVulkan::InvalidateRegion(VAddr addr, u64 size) {
if (!addr || !size) {
if (addr == 0 || size == 0) {
return;
}
texture_cache.InvalidateRegion(addr, size);