diff options
Diffstat (limited to 'include/spirv-tools/optimizer.hpp')
| -rw-r--r-- | include/spirv-tools/optimizer.hpp | 64 |
1 files changed, 6 insertions, 58 deletions
diff --git a/include/spirv-tools/optimizer.hpp b/include/spirv-tools/optimizer.hpp index aa6a614e..94973560 100644 --- a/include/spirv-tools/optimizer.hpp +++ b/include/spirv-tools/optimizer.hpp @@ -19,7 +19,6 @@ #include <ostream> #include <string> #include <unordered_map> -#include <unordered_set> #include <utility> #include <vector> @@ -521,12 +520,8 @@ Optimizer::PassToken CreateDeadInsertElimPass(); // interface are considered live and are not eliminated. This mode is needed // by GPU-Assisted validation instrumentation, where a change in the interface // is not allowed. -// -// If |remove_outputs| is true, allow outputs to be removed from the interface. -// This is only safe if the caller knows that there is no corresponding input -// variable in the following shader. It is false by default. -Optimizer::PassToken CreateAggressiveDCEPass(bool preserve_interface = false, - bool remove_outputs = false); +Optimizer::PassToken CreateAggressiveDCEPass(); +Optimizer::PassToken CreateAggressiveDCEPass(bool preserve_interface); // Creates a remove-unused-interface-variables pass. // Removes variables referenced on the |OpEntryPoint| instruction that are not @@ -892,59 +887,12 @@ Optimizer::PassToken CreateAmdExtToKhrPass(); Optimizer::PassToken CreateInterpolateFixupPass(); // Removes unused components from composite input variables. Current -// implementation just removes trailing unused components from input arrays -// and structs. The pass performs best after maximizing dead code removal. -// A subsequent dead code elimination pass would be beneficial in removing -// newly unused component types. -// -// WARNING: This pass can only be safely applied standalone to vertex shaders -// as it can otherwise cause interface incompatibilities with the preceding -// shader in the pipeline. If applied to non-vertex shaders, the user should -// follow by applying EliminateDeadOutputStores and -// EliminateDeadOutputComponents to the preceding shader. +// implementation just removes trailing unused components from input arrays. +// The pass performs best after maximizing dead code removal. A subsequent dead +// code elimination pass would be beneficial in removing newly unused component +// types. Optimizer::PassToken CreateEliminateDeadInputComponentsPass(); -// Removes unused components from composite output variables. Current -// implementation just removes trailing unused components from output arrays -// and structs. The pass performs best after eliminating dead output stores. -// A subsequent dead code elimination pass would be beneficial in removing -// newly unused component types. Currently only supports vertex and fragment -// shaders. -// -// WARNING: This pass cannot be safely applied standalone as it can cause -// interface incompatibility with the following shader in the pipeline. The -// user should first apply EliminateDeadInputComponents to the following -// shader, then apply EliminateDeadOutputStores to this shader. -Optimizer::PassToken CreateEliminateDeadOutputComponentsPass(); - -// Removes unused components from composite input variables. This safe -// version will not cause interface incompatibilities since it only changes -// vertex shaders. The current implementation just removes trailing unused -// components from input structs and input arrays. The pass performs best -// after maximizing dead code removal. A subsequent dead code elimination -// pass would be beneficial in removing newly unused component types. -Optimizer::PassToken CreateEliminateDeadInputComponentsSafePass(); - -// Analyzes shader and populates |live_locs| and |live_builtins|. Best results -// will be obtained if shader has all dead code eliminated first. |live_locs| -// and |live_builtins| are subsequently used when calling -// CreateEliminateDeadOutputStoresPass on the preceding shader. Currently only -// supports tesc, tese, geom, and frag shaders. -Optimizer::PassToken CreateAnalyzeLiveInputPass( - std::unordered_set<uint32_t>* live_locs, - std::unordered_set<uint32_t>* live_builtins); - -// Removes stores to output locations not listed in |live_locs| or -// |live_builtins|. Best results are obtained if constant propagation is -// performed first. A subsequent call to ADCE will eliminate any dead code -// created by the removal of the stores. A subsequent call to -// CreateEliminateDeadOutputComponentsPass will eliminate any dead output -// components created by the elimination of the stores. Currently only supports -// vert, tesc, tese, and geom shaders. -Optimizer::PassToken CreateEliminateDeadOutputStoresPass( - std::unordered_set<uint32_t>* live_locs, - std::unordered_set<uint32_t>* live_builtins); - // Creates a convert-to-sampled-image pass to convert images and/or // samplers with given pairs of descriptor set and binding to sampled image. // If a pair of an image and a sampler have the same pair of descriptor set and |