From ace20ba4a4774ae3c42f2ef5566c7113f3b980b3 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sat, 19 Jun 2021 10:56:13 -0400
Subject: astc_decoder.comp: Remove unnecessary LUT SSBOs

We can move them to instead be compile time constants within the shader.
---
 src/video_core/textures/astc.cpp | 8 ++++----
 src/video_core/textures/astc.h   | 9 +--------
 2 files changed, 5 insertions(+), 12 deletions(-)

(limited to 'src/video_core/textures')

diff --git a/src/video_core/textures/astc.cpp b/src/video_core/textures/astc.cpp
index b6e2022f2..7b756ba41 100644
--- a/src/video_core/textures/astc.cpp
+++ b/src/video_core/textures/astc.cpp
@@ -269,7 +269,7 @@ static void DecodeQuintBlock(InputBitStream& bits, IntegerEncodedVector& result,
 static void DecodeIntegerSequence(IntegerEncodedVector& result, InputBitStream& bits, u32 maxRange,
                                   u32 nValues) {
     // Determine encoding parameters
-    IntegerEncodedValue val = EncodingsValues[maxRange];
+    IntegerEncodedValue val = ASTC_ENCODINGS_VALUES[maxRange];
 
     // Start decoding
     u32 nValsDecoded = 0;
@@ -310,7 +310,7 @@ struct TexelWeightParams {
             nIdxs *= 2;
         }
 
-        return EncodingsValues[m_MaxWeight].GetBitLength(nIdxs);
+        return ASTC_ENCODINGS_VALUES[m_MaxWeight].GetBitLength(nIdxs);
     }
 
     u32 GetNumWeightValues() const {
@@ -755,12 +755,12 @@ static void DecodeColorValues(u32* out, std::span<u8> data, const u32* modes, co
     // figure out the max value for each of them...
     u32 range = 256;
     while (--range > 0) {
-        IntegerEncodedValue val = EncodingsValues[range];
+        IntegerEncodedValue val = ASTC_ENCODINGS_VALUES[range];
         u32 bitLength = val.GetBitLength(nValues);
         if (bitLength <= nBitsForColorData) {
             // Find the smallest possible range that matches the given encoding
             while (--range > 0) {
-                IntegerEncodedValue newval = EncodingsValues[range];
+                IntegerEncodedValue newval = ASTC_ENCODINGS_VALUES[range];
                 if (!newval.MatchesEncoding(val)) {
                     break;
                 }
diff --git a/src/video_core/textures/astc.h b/src/video_core/textures/astc.h
index 441e8eb04..0229ae122 100644
--- a/src/video_core/textures/astc.h
+++ b/src/video_core/textures/astc.h
@@ -77,7 +77,7 @@ constexpr std::array<IntegerEncodedValue, 256> MakeEncodedValues() {
     return encodings;
 }
 
-constexpr std::array<IntegerEncodedValue, 256> EncodingsValues = MakeEncodedValues();
+constexpr std::array<IntegerEncodedValue, 256> ASTC_ENCODINGS_VALUES = MakeEncodedValues();
 
 // Replicates low num_bits such that [(to_bit - 1):(to_bit - 1 - from_bit)]
 // is the same as [(num_bits - 1):0] and repeats all the way down.
@@ -120,13 +120,6 @@ constexpr auto REPLICATE_6_BIT_TO_8_TABLE = MakeReplicateTable<u32, 6, 8>();
 constexpr auto REPLICATE_7_BIT_TO_8_TABLE = MakeReplicateTable<u32, 7, 8>();
 constexpr auto REPLICATE_8_BIT_TO_8_TABLE = MakeReplicateTable<u32, 8, 8>();
 
-struct AstcBufferData {
-    decltype(EncodingsValues) encoding_values = EncodingsValues;
-    decltype(REPLICATE_6_BIT_TO_8_TABLE) replicate_6_to_8 = REPLICATE_6_BIT_TO_8_TABLE;
-    decltype(REPLICATE_7_BIT_TO_8_TABLE) replicate_7_to_8 = REPLICATE_7_BIT_TO_8_TABLE;
-    decltype(REPLICATE_8_BIT_TO_8_TABLE) replicate_8_to_8 = REPLICATE_8_BIT_TO_8_TABLE;
-} constexpr ASTC_BUFFER_DATA;
-
 void Decompress(std::span<const uint8_t> data, uint32_t width, uint32_t height, uint32_t depth,
                 uint32_t block_width, uint32_t block_height, std::span<uint8_t> output);
 
-- 
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