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-rw-r--r--src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
index 2705ab140..9319ea007 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_memory.cpp
@@ -5,6 +5,7 @@
#include "shader_recompiler/backend/glasm/glasm_emit_context.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/frontend/ir/value.h"
+#include "shader_recompiler/profile.h"
#include "shader_recompiler/runtime_info.h"
namespace Shader::Backend::GLASM {
@@ -35,7 +36,9 @@ void GlobalStorageOp(EmitContext& ctx, Register address, bool pointer_based, std
continue;
}
const auto& ssbo{ctx.info.storage_buffers_descriptors[index]};
- ctx.Add("LDC.U64 DC.x,c{}[{}];" // ssbo_addr
+ const u64 ssbo_align_mask{~(ctx.profile.min_ssbo_alignment - 1U)};
+ ctx.Add("LDC.U64 DC.x,c{}[{}];" // unaligned_ssbo_addr
+ "AND.U64 DC.x,DC.x,{};" // ssbo_addr = unaligned_ssbo_addr & ssbo_align_mask
"LDC.U32 RC.x,c{}[{}];" // ssbo_size_u32
"CVT.U64.U32 DC.y,RC.x;" // ssbo_size = ssbo_size_u32
"ADD.U64 DC.y,DC.y,DC.x;" // ssbo_end = ssbo_addr + ssbo_size
@@ -44,8 +47,8 @@ void GlobalStorageOp(EmitContext& ctx, Register address, bool pointer_based, std
"AND.U.CC RC.x,RC.x,RC.y;" // cond = a && b
"IF NE.x;" // if cond
"SUB.U64 DC.x,{}.x,DC.x;", // offset = input_addr - ssbo_addr
- ssbo.cbuf_index, ssbo.cbuf_offset, ssbo.cbuf_index, ssbo.cbuf_offset + 8, address,
- address, address);
+ ssbo.cbuf_index, ssbo.cbuf_offset, ssbo_align_mask, ssbo.cbuf_index,
+ ssbo.cbuf_offset + 8, address, address, address);
if (pointer_based) {
ctx.Add("PK64.U DC.y,c[{}];" // host_ssbo = cbuf
"ADD.U64 DC.x,DC.x,DC.y;" // host_addr = host_ssbo + offset