From 75c5be55af3e0db249cb1bb0c0dd1de6e326849d Mon Sep 17 00:00:00 2001
From: Ameer J <52414509+ameerj@users.noreply.github.com>
Date: Tue, 31 Oct 2023 20:02:11 -0400
Subject: shader_recompiler: Align SSBO offsets in GlobalMemory functions
---
src/shader_recompiler/backend/glsl/glsl_emit_context.cpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
(limited to 'src/shader_recompiler/backend/glsl/glsl_emit_context.cpp')
diff --git a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
index 9ff4028c26..fd9a99449d 100644
--- a/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
+++ b/src/shader_recompiler/backend/glsl/glsl_emit_context.cpp
@@ -601,7 +601,10 @@ std::string EmitContext::DefineGlobalMemoryFunctions() {
addr_xy[i] = fmt::format("ftou({}[{}].{})", cbuf, addr_loc / 16, Swizzle(addr_loc));
size_xy[i] = fmt::format("ftou({}[{}].{})", cbuf, size_loc / 16, Swizzle(size_loc));
}
- const auto addr_pack{fmt::format("packUint2x32(uvec2({},{}))", addr_xy[0], addr_xy[1])};
+ const u32 ssbo_align_mask{~(static_cast<u32>(profile.min_ssbo_alignment) - 1U)};
+ const auto aligned_low_addr{fmt::format("{}&{}", addr_xy[0], ssbo_align_mask)};
+ const auto aligned_addr{fmt::format("uvec2({},{})", aligned_low_addr, addr_xy[1])};
+ const auto addr_pack{fmt::format("packUint2x32({})", aligned_addr)};
const auto addr_statment{fmt::format("uint64_t {}={};", ssbo_addr, addr_pack)};
func += addr_statment;
--
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