mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-21 20:10:14 +01:00
634dff403f
The base class was used when we had vec4, but now we can fold it with its only subclass. Declare fs_visitor now as a struct to be able to forward declare for C code without causing errors due to class/struct being mixed. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27861>
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/* -*- c++ -*- */
|
|
/*
|
|
* Copyright © 2020 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef BRW_IR_PERFORMANCE_H
|
|
#define BRW_IR_PERFORMANCE_H
|
|
|
|
#include "brw_ir_analysis.h"
|
|
|
|
struct fs_visitor;
|
|
|
|
namespace brw {
|
|
/**
|
|
* Various estimates of the performance of a shader based on static
|
|
* analysis.
|
|
*/
|
|
struct performance {
|
|
performance(const fs_visitor *v);
|
|
~performance();
|
|
|
|
analysis_dependency_class
|
|
dependency_class() const
|
|
{
|
|
return (DEPENDENCY_INSTRUCTIONS |
|
|
DEPENDENCY_BLOCKS);
|
|
}
|
|
|
|
bool
|
|
validate(const fs_visitor *) const
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Array containing estimates of the runtime of each basic block of the
|
|
* program in cycle units.
|
|
*/
|
|
unsigned *block_latency;
|
|
|
|
/**
|
|
* Estimate of the runtime of the whole program in cycle units assuming
|
|
* uncontended execution.
|
|
*/
|
|
unsigned latency;
|
|
|
|
/**
|
|
* Estimate of the throughput of the whole program in
|
|
* invocations-per-cycle units.
|
|
*
|
|
* Note that this might be lower than the ratio between the dispatch
|
|
* width of the program and its latency estimate in cases where
|
|
* performance doesn't scale without limits as a function of its thread
|
|
* parallelism, e.g. due to the existence of a bottleneck in a shared
|
|
* function.
|
|
*/
|
|
float throughput;
|
|
|
|
private:
|
|
performance(const performance &perf);
|
|
performance &
|
|
operator=(performance u);
|
|
};
|
|
}
|
|
|
|
#endif
|