shader/memory_util: Deduplicate code

Deduplicate code shared between vk_pipeline_cache and gl_shader_cache as
well as shader decoder code.

While we are at it, fix a bug in gl_shader_cache where compute shaders
had an start offset of a stage shader.

1 files changed, 1 insertions, 11 deletions

diff --git a/src/video_core/shader/decode.cpp b/src/video_core/shader/decode.cpp
index 87ac9ac6c..1167ff4ec 100644
--- a/src/video_core/shader/decode.cpp
+++ b/src/video_core/shader/decode.cpp
@@ -13,6 +13,7 @@
 #include "video_core/engines/shader_bytecode.h"
 #include "video_core/engines/shader_header.h"
 #include "video_core/shader/control_flow.h"
+#include "video_core/shader/memory_util.h"
 #include "video_core/shader/node_helper.h"
 #include "video_core/shader/shader_ir.h"
 
@@ -23,17 +24,6 @@ using Tegra::Shader::OpCode;
 
 namespace {
 
-/**
- * Returns whether the instruction at the specified offset is a 'sched' instruction.
- * Sched instructions always appear before a sequence of 3 instructions.
- */
-constexpr bool IsSchedInstruction(u32 offset, u32 main_offset) {
-    constexpr u32 SchedPeriod = 4;
-    u32 absolute_offset = offset - main_offset;
-
-    return (absolute_offset % SchedPeriod) == 0;
-}
-
 void DeduceTextureHandlerSize(VideoCore::GuestDriverProfile& gpu_driver,
                               const std::list<Sampler>& used_samplers) {
     if (gpu_driver.IsTextureHandlerSizeKnown() || used_samplers.size() <= 1) {