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-rw-r--r--src/video_core/engines/shader_bytecode.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 8ae0e6df2..096de9632 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -12,6 +12,7 @@
#include <boost/optional.hpp>
+#include "common/assert.h"
#include "common/bit_field.h"
#include "common/common_types.h"
@@ -446,16 +447,20 @@ union Instruction {
}
bool IsComponentEnabled(size_t component) const {
- static constexpr std::array<std::array<u32, 8>, 4> mask_lut{
- {{},
- {0x1, 0x2, 0x4, 0x8, 0x3},
- {0x1, 0x2, 0x4, 0x8, 0x3, 0x9, 0xa, 0xc},
- {0x7, 0xb, 0xd, 0xe, 0xf}}};
+ static constexpr std::array<std::array<u32, 8>, 4> mask_lut{{
+ {},
+ {0x1, 0x2, 0x4, 0x8, 0x3, 0x9, 0xa, 0xc},
+ {0x1, 0x2, 0x4, 0x8, 0x3, 0x9, 0xa, 0xc},
+ {0x7, 0xb, 0xd, 0xe, 0xf},
+ }};
size_t index{gpr0.Value() != Register::ZeroIndex ? 1U : 0U};
index |= gpr28.Value() != Register::ZeroIndex ? 2 : 0;
- return ((1ull << component) & mask_lut[index][component_mask_selector]) != 0;
+ u32 mask = mask_lut[index][component_mask_selector];
+ // A mask of 0 means this instruction uses an unimplemented mask.
+ ASSERT(mask != 0);
+ return ((1ull << component) & mask) != 0;
}
} texs;