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-rw-r--r--src/video_core/pica.h39
1 files changed, 9 insertions, 30 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index c772896e0..ac81a3d0f 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -1225,36 +1225,15 @@ struct Regs {
// Offset to shader program entry point (in words)
BitField<0, 16, u32> main_offset;
- union {
- BitField<0, 4, u64> attribute0_register;
- BitField<4, 4, u64> attribute1_register;
- BitField<8, 4, u64> attribute2_register;
- BitField<12, 4, u64> attribute3_register;
- BitField<16, 4, u64> attribute4_register;
- BitField<20, 4, u64> attribute5_register;
- BitField<24, 4, u64> attribute6_register;
- BitField<28, 4, u64> attribute7_register;
- BitField<32, 4, u64> attribute8_register;
- BitField<36, 4, u64> attribute9_register;
- BitField<40, 4, u64> attribute10_register;
- BitField<44, 4, u64> attribute11_register;
- BitField<48, 4, u64> attribute12_register;
- BitField<52, 4, u64> attribute13_register;
- BitField<56, 4, u64> attribute14_register;
- BitField<60, 4, u64> attribute15_register;
-
- int GetRegisterForAttribute(int attribute_index) const {
- u64 fields[] = {
- attribute0_register, attribute1_register, attribute2_register,
- attribute3_register, attribute4_register, attribute5_register,
- attribute6_register, attribute7_register, attribute8_register,
- attribute9_register, attribute10_register, attribute11_register,
- attribute12_register, attribute13_register, attribute14_register,
- attribute15_register,
- };
- return (int)fields[attribute_index];
- }
- } input_register_map;
+ /// Maps input attributes to registers. 4-bits per attribute, specifying a register index
+ u32 input_attribute_to_register_map_low;
+ u32 input_attribute_to_register_map_high;
+
+ unsigned int GetRegisterForAttribute(unsigned int attribute_index) const {
+ u64 map = ((u64)input_attribute_to_register_map_high << 32) |
+ (u64)input_attribute_to_register_map_low;
+ return (map >> (attribute_index * 4)) & 0b1111;
+ }
BitField<0, 16, u32> output_mask;