diff options
Diffstat (limited to 'src/video_core/host_shaders')
-rw-r--r-- | src/video_core/host_shaders/astc_decoder.comp | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/src/video_core/host_shaders/astc_decoder.comp b/src/video_core/host_shaders/astc_decoder.comp index c37f15bfd..7f4efa31a 100644 --- a/src/video_core/host_shaders/astc_decoder.comp +++ b/src/video_core/host_shaders/astc_decoder.comp @@ -10,18 +10,16 @@ #define END_PUSH_CONSTANTS }; #define UNIFORM(n) #define BINDING_INPUT_BUFFER 0 -#define BINDING_ENC_BUFFER 1 -#define BINDING_SWIZZLE_BUFFER 2 -#define BINDING_OUTPUT_IMAGE 3 +#define BINDING_SWIZZLE_BUFFER 1 +#define BINDING_OUTPUT_IMAGE 2 #else // ^^^ Vulkan ^^^ // vvv OpenGL vvv #define BEGIN_PUSH_CONSTANTS #define END_PUSH_CONSTANTS #define UNIFORM(n) layout(location = n) uniform -#define BINDING_SWIZZLE_BUFFER 0 -#define BINDING_INPUT_BUFFER 1 -#define BINDING_ENC_BUFFER 2 +#define BINDING_INPUT_BUFFER 0 +#define BINDING_SWIZZLE_BUFFER 1 #define BINDING_OUTPUT_IMAGE 0 #endif @@ -64,11 +62,6 @@ layout(binding = BINDING_INPUT_BUFFER, std430) readonly buffer InputBufferU32 { uint astc_data[]; }; -// ASTC Encodings data -layout(binding = BINDING_ENC_BUFFER, std430) readonly buffer EncodingsValues { - EncodingData encoding_values[]; -}; - layout(binding = BINDING_OUTPUT_IMAGE, rgba8) uniform writeonly image2DArray dest_image; const uint GOB_SIZE_X = 64; @@ -94,6 +87,19 @@ const int JUST_BITS = 0; const int QUINT = 1; const int TRIT = 2; +// ASTC Encodings data, sorted in ascending order based on their BitLength value +// (see GetBitLength() function) +EncodingData encoding_values[22] = EncodingData[]( + EncodingData(JUST_BITS, 0, 0, 0), EncodingData(JUST_BITS, 1, 0, 0), EncodingData(TRIT, 0, 0, 0), + EncodingData(JUST_BITS, 2, 0, 0), EncodingData(QUINT, 0, 0, 0), EncodingData(TRIT, 1, 0, 0), + EncodingData(JUST_BITS, 3, 0, 0), EncodingData(QUINT, 1, 0, 0), EncodingData(TRIT, 2, 0, 0), + EncodingData(JUST_BITS, 4, 0, 0), EncodingData(QUINT, 2, 0, 0), EncodingData(TRIT, 3, 0, 0), + EncodingData(JUST_BITS, 5, 0, 0), EncodingData(QUINT, 3, 0, 0), EncodingData(TRIT, 4, 0, 0), + EncodingData(JUST_BITS, 6, 0, 0), EncodingData(QUINT, 4, 0, 0), EncodingData(TRIT, 5, 0, 0), + EncodingData(JUST_BITS, 7, 0, 0), EncodingData(QUINT, 5, 0, 0), EncodingData(TRIT, 6, 0, 0), + EncodingData(JUST_BITS, 8, 0, 0) +); + // The following constants are expanded variants of the Replicate() // function calls corresponding to the following arguments: // value: index into the generated table @@ -596,22 +602,16 @@ void DecodeColorValues(uvec4 modes, uint num_partitions, uint color_data_bits) { for (uint i = 0; i < num_partitions; i++) { num_values += ((modes[i] >> 2) + 1) << 1; } - int range = 256; - while (--range > 0) { - EncodingData val = encoding_values[range]; + // Find the largest encoding that's within color_data_bits + // TODO(ameerj): profile with binary search + int range = 0; + while (++range < encoding_values.length()) { uint bit_length = GetBitLength(num_values, range); - if (bit_length <= color_data_bits) { - while (--range > 0) { - EncodingData newval = encoding_values[range]; - if (newval.encoding != val.encoding && newval.num_bits != val.num_bits) { - break; - } - } - ++range; + if (bit_length > color_data_bits) { break; } } - DecodeIntegerSequence(range, num_values); + DecodeIntegerSequence(range - 1, num_values); uint out_index = 0; for (int itr = 0; itr < result_index; ++itr) { if (out_index >= num_values) { @@ -1110,10 +1110,10 @@ TexelWeightParams DecodeBlockInfo(uint block_index) { } weight_index -= 2; if ((mode_layout != 9) && ((mode & 0x200) != 0)) { - const int max_weights[6] = int[6](9, 11, 15, 19, 23, 31); + const int max_weights[6] = int[6](7, 8, 9, 10, 11, 12); params.max_weight = max_weights[weight_index]; } else { - const int max_weights[6] = int[6](1, 2, 3, 4, 5, 7); + const int max_weights[6] = int[6](1, 2, 3, 4, 5, 6); params.max_weight = max_weights[weight_index]; } return params; |