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This commit is contained in:
Thomas Harte 2016-11-20 09:11:24 +08:00
parent c2349ee3f4
commit fda90c5aef
2 changed files with 30 additions and 10 deletions
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10
Outputs/CRT/Internals/ArrayBuilder.cpp
View File

@ -34,9 +34,9 @@ uint8_t *ArrayBuilder::get_input_storage(size_t size)
return get_storage(size, input_);
}
uint8_t *ArrayBuilder::reget_input_storage(size_t &size)
uint8_t *ArrayBuilder::get_unflushed_input(size_t &size)
{
return input_.reget_storage(size);
return input_.get_unflushed(size);
}
uint8_t *ArrayBuilder::get_output_storage(size_t size)
@ -44,9 +44,9 @@ uint8_t *ArrayBuilder::get_output_storage(size_t size)
return get_storage(size, output_);
}
uint8_t *ArrayBuilder::reget_output_storage(size_t &size)
uint8_t *ArrayBuilder::get_unflushed_input(size_t &size)
{
return output_.reget_storage(size);
return output_.get_unflushed(size);
}
void ArrayBuilder::flush()
@ -127,7 +127,7 @@ uint8_t *ArrayBuilder::Buffer::get_storage(size_t size)
return pointer;
}
uint8_t *ArrayBuilder::Buffer::reget_storage(size_t &size)
uint8_t *ArrayBuilder::Buffer::get_unflushed(size_t &size)
{
if(is_full)
{

30
Outputs/CRT/Internals/ArrayBuilder.hpp
View File

@ -37,22 +37,43 @@ class ArrayBuilder {
/// to the @c submission_function. [Teleological: this is provided as a testing hook.]
ArrayBuilder(size_t input_size, size_t output_size, std::function<void(bool is_input, uint8_t *, size_t)> submission_function);
/// Attempts to add @c size bytes
/// Attempts to add @c size bytes to the input set.
/// @returns a pointer to the allocated area if allocation was possible; @c nullptr otherwise.
uint8_t *get_input_storage(size_t size);
uint8_t *reget_input_storage(size_t &size);
/// Gets the size of and a pointer to all data so far added to the input set but not yet flushed.
/// @returns a pointer from which it is safe to access @c size elements, which contains all regions returned via
/// @c get_input_storage in FIFO order.
uint8_t *get_unflushed_input(size_t &size);
/// Attempts to add @c size bytes to the output set.
/// @returns a pointer to the allocated area if allocation was possible; @c nullptr otherwise.
uint8_t *get_output_storage(size_t size);
uint8_t *reget_output_storage(size_t &size);
/// Gets the size of and a pointer to all data so far added to the output set but not yet flushed.
/// @returns a pointer from which it is safe to access @c size elements, which contains all regions returned via
/// @c get_input_storage in FIFO order.
uint8_t *get_unflushed_output(size_t &size);
/// @returns @c true if either of the input or output storage areas is currently exhausted; @c false otherwise.
bool is_full();
/// If neither input nor output was exhausted since the last flush, atomically commits both input and output
/// up to the currently allocated size for use upon the next @c submit. Otherwise acts as a no-op.
void flush();
/// Binds the input array to GL_ARRAY_BUFFER.
void bind_input();
/// Binds the output array to GL_ARRAY_BUFFER.
void bind_output();
struct Submission {
size_t input_size, output_size;
};
/// Submits all flushed input and output data to the corresponding arrays.
/// @returns A @c Submission record, indicating how much data of each type was submitted.
Submission submit();
private:
@ -62,7 +83,7 @@ class ArrayBuilder {
~Buffer();
uint8_t *get_storage(size_t size);
uint8_t *reget_storage(size_t &size);
uint8_t *get_unflushed(size_t &size);
void flush();
size_t submit(bool is_input);
@ -82,7 +103,6 @@ class ArrayBuilder {
std::mutex buffer_mutex_;
bool is_full_;
;
};
}