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-rw-r--r--src/video_core/engines/shader_bytecode.h3
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp18
2 files changed, 11 insertions, 10 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 3e409c2e1..24396c6c9 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -74,12 +74,11 @@ union Attribute {
enum class Index : u64 {
Position = 7,
Attribute_0 = 8,
+ Attribute_31 = 39,
// This attribute contains a tuple of (~, ~, InstanceId, VertexId) when inside a vertex
// shader, and a tuple of (TessCoord.x, TessCoord.y, TessCoord.z, ~) when inside a Tess Eval
// shader.
TessCoordInstanceIDVertexID = 47,
- // TODO(bunnei): Figure out what this is used for. Super Mario Odyssey uses this.
- Unknown_63 = 63,
};
union {
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 32f06f409..06bfe799c 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -349,7 +349,12 @@ public:
void SetOutputAttributeToRegister(Attribute::Index attribute, u64 elem, const Register& reg) {
std::string dest = GetOutputAttribute(attribute) + GetSwizzle(elem);
std::string src = GetRegisterAsFloat(reg);
- shader.AddLine(dest + " = " + src + ';');
+
+ if (!dest.empty()) {
+ // Can happen with unknown/unimplemented output attributes, in which case we ignore the
+ // instruction for now.
+ shader.AddLine(dest + " = " + src + ';');
+ }
}
/// Generates code representing a uniform (C buffer) register, interpreted as the input type.
@@ -525,20 +530,16 @@ private:
// shader.
ASSERT(stage == Maxwell3D::Regs::ShaderStage::Vertex);
return "vec4(0, 0, uintBitsToFloat(gl_InstanceID), uintBitsToFloat(gl_VertexID))";
- case Attribute::Index::Unknown_63:
- // TODO(bunnei): Figure out what this is used for. Super Mario Odyssey uses this.
- LOG_CRITICAL(HW_GPU, "Unhandled input attribute Unknown_63");
- UNREACHABLE();
- break;
default:
const u32 index{static_cast<u32>(attribute) -
static_cast<u32>(Attribute::Index::Attribute_0)};
- if (attribute >= Attribute::Index::Attribute_0) {
+ if (attribute >= Attribute::Index::Attribute_0 &&
+ attribute <= Attribute::Index::Attribute_31) {
declr_input_attribute.insert(attribute);
return "input_attribute_" + std::to_string(index);
}
- LOG_CRITICAL(HW_GPU, "Unhandled input attribute: {}", index);
+ LOG_CRITICAL(HW_GPU, "Unhandled input attribute: {}", static_cast<u32>(attribute));
UNREACHABLE();
}
@@ -560,6 +561,7 @@ private:
LOG_CRITICAL(HW_GPU, "Unhandled output attribute: {}", index);
UNREACHABLE();
+ return {};
}
}