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Integrate new astc-encoder

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This commit is contained in:
Raziel Alphadios
2022-10-21 07:27:00 +03:00
parent 471fa663b5
commit 3f98d7b133
31 changed files with 43 additions and 40044 deletions
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55
src/image_encode.cpp
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@@ -12,7 +12,6 @@
#include <nvtt/nvtt.h>
#include <pvrtc/PvrTcEncoder.h>
#include <edtaa3/edtaa3func.h>
#include <astc/astc_lib.h>
#include <astcenc.h>
BX_PRAGMA_DIAGNOSTIC_PUSH();
@@ -42,16 +41,16 @@ namespace bimg
};
BX_STATIC_ASSERT(Quality::Count == BX_COUNTOF(s_squishQuality) );
static const ASTC_COMPRESS_MODE s_astcQuality[] =
static const float s_astcQuality[] =
{
// Standard
ASTC_COMPRESS_MEDIUM, // Default
ASTC_COMPRESS_THOROUGH, // Highest
ASTC_COMPRESS_FAST, // Fastest
ASTCENC_PRE_MEDIUM, // Default
ASTCENC_PRE_THOROUGH, // Highest
ASTCENC_PRE_FAST, // Fastest
// Normal map
ASTC_COMPRESS_MEDIUM, // Default
ASTC_COMPRESS_THOROUGH, // Highest
ASTC_COMPRESS_FAST, // Fastest
ASTCENC_PRE_MEDIUM, // Default
ASTCENC_PRE_THOROUGH, // Highest
ASTCENC_PRE_FAST, // Fastest
};
BX_STATIC_ASSERT(Quality::Count == BX_COUNTOF(s_astcQuality));
@@ -149,19 +148,51 @@ namespace bimg
case TextureFormat::ASTC8x6:
case TextureFormat::ASTC10x5:
{
const unsigned int thread_count = 1;
const bimg::ImageBlockInfo& astcBlockInfo = bimg::getBlockInfo(_format);
const float quality = s_astcQuality[_quality];
const astcenc_profile profile = ASTCENC_PRF_LDR; //Linear LDR color profile
ASTC_COMPRESS_MODE compress_mode = s_astcQuality[_quality];
ASTC_DECODE_MODE decode_mode = ASTC_DECODE_LDR_LINEAR;
//Create and init config and context
astcenc_config config{};
unsigned int astcFlags = ASTCENC_FLG_SELF_DECOMPRESS_ONLY;
if (Quality::NormalMapDefault <= _quality) {
astcFlags |= ASTCENC_FLG_MAP_NORMAL;
}
astcenc_config_init(profile, astcBlockInfo.blockWidth, astcBlockInfo.blockHeight, 1, quality, astcFlags, &config);
astcenc_context* context;
astcenc_context_alloc(&config, thread_count, &context);
//Put image data into an astcenc_image
astcenc_image image{};
image.dim_x = _width;
image.dim_y = _height;
image.dim_z = 1;
image.data_type = ASTCENC_TYPE_U8;
image.data = reinterpret_cast<void**>(const_cast<uint8_t**>(&src));
const size_t block_count_x = (_width + astcBlockInfo.blockWidth - 1) / astcBlockInfo.blockWidth;
const size_t block_count_y = (_height + astcBlockInfo.blockHeight - 1) / astcBlockInfo.blockHeight;
const size_t comp_len = block_count_x * block_count_y * 16;
if (Quality::NormalMapDefault <= _quality)
{
astc_compress(_width, _height, src, ASTC_ENC_NORMAL_RA, srcPitch, astcBlockInfo.blockWidth, astcBlockInfo.blockHeight, compress_mode, decode_mode, dst);
static const astcenc_swizzle swizzle { //0001/rrrg swizzle corresponds to ASTC_ENC_NORMAL_RA
ASTCENC_SWZ_R, ASTCENC_SWZ_R, ASTCENC_SWZ_R, ASTCENC_SWZ_G
};
astcenc_compress_image(context, &image, &swizzle, dst, comp_len, 0);
}
else
{
astc_compress(_width, _height, src, ASTC_RGBA, srcPitch, astcBlockInfo.blockWidth, astcBlockInfo.blockHeight, compress_mode, decode_mode, dst);
static const astcenc_swizzle swizzle { //0123/rgba swizzle corresponds to ASTC_RGBA
ASTCENC_SWZ_R, ASTCENC_SWZ_G, ASTCENC_SWZ_B, ASTCENC_SWZ_A
};
astcenc_compress_image(context, &image, &swizzle, dst, comp_len, 0);
}
astcenc_context_free(context);
}
break;