From adb591a757ccb289634920d51cf519b515ca32b6 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Wed, 26 May 2021 18:32:59 -0300
Subject: glasm: Use storage buffers instead of global memory when possible
---
src/shader_recompiler/backend/glasm/emit_context.cpp | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
(limited to 'src/shader_recompiler/backend/glasm/emit_context.cpp')
diff --git a/src/shader_recompiler/backend/glasm/emit_context.cpp b/src/shader_recompiler/backend/glasm/emit_context.cpp
index b5b0e22045..e18526816b 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_context.cpp
@@ -7,6 +7,7 @@
#include "shader_recompiler/backend/bindings.h"
#include "shader_recompiler/backend/glasm/emit_context.h"
#include "shader_recompiler/frontend/ir/program.h"
+#include "shader_recompiler/profile.h"
namespace Shader::Backend::GLASM {
namespace {
@@ -40,13 +41,21 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
Add("CBUFFER c{}[]={{program.buffer[{}]}};", desc.index, cbuf_index);
++cbuf_index;
}
+ u32 ssbo_index{};
for (const auto& desc : info.storage_buffers_descriptors) {
if (desc.count != 1) {
throw NotImplementedException("Storage buffer descriptor array");
}
+ if (runtime_info.glasm_use_storage_buffers) {
+ Add("STORAGE ssbo{}[]={{program.storage[{}]}};", ssbo_index, bindings.storage_buffer);
+ ++bindings.storage_buffer;
+ ++ssbo_index;
+ }
}
- if (const size_t num = info.storage_buffers_descriptors.size(); num > 0) {
- Add("PARAM c[{}]={{program.local[0..{}]}};", num, num - 1);
+ if (!runtime_info.glasm_use_storage_buffers) {
+ if (const size_t num = info.storage_buffers_descriptors.size(); num > 0) {
+ Add("PARAM c[{}]={{program.local[0..{}]}};", num, num - 1);
+ }
}
stage = program.stage;
switch (program.stage) {
--
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