/*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2021 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
*/
- // FILE HEADER
+// FILE HEADER
#include "dali-scene-loader/public-api/ktx-loader.h"
- // EXTERNAL INCLUDES
-#include "dali/public-api/rendering/texture.h"
+// EXTERNAL INCLUDES
#include <fstream>
#include <memory>
+#include "dali/public-api/rendering/texture.h"
namespace Dali
{
-
namespace
{
-
// http://github.khronos.org/KTX-Specification/
-const uint8_t KTX_ID_HEAD[] = { 0xAB, 0x4B, 0x54, 0x58, 0x20 };
-const uint8_t KTX_ID_TAIL[] = { 0xBB, 0x0D, 0x0A, 0x1A, 0x0A };
+const uint8_t KTX_ID_HEAD[] = {0xAB, 0x4B, 0x54, 0x58, 0x20};
+const uint8_t KTX_ID_TAIL[] = {0xBB, 0x0D, 0x0A, 0x1A, 0x0A};
-const uint8_t KTX_VERSION_1_1[] = { 0x31, 0x31 };
-const uint8_t KTX_VERSION_2_0[] = { 0x32, 0x30 };
+const uint8_t KTX_VERSION_1_1[] = {0x31, 0x31};
+const uint8_t KTX_VERSION_2_0[] = {0x32, 0x30};
static_assert(sizeof(KTX_ID_HEAD) + sizeof(KTX_ID_TAIL) == 10);
static_assert(sizeof(KTX_VERSION_1_1) == 2);
{
struct KtxFileHeader
{
- uint8_t identifier[12];
- uint32_t endianness;
- uint32_t glType; //(UNSIGNED_BYTE, UNSIGNED_SHORT_5_6_5, etc.)
- uint32_t glTypeSize;
- uint32_t glFormat; //(RGB, RGBA, BGRA, etc.)
- uint32_t glInternalFormat; //For uncompressed textures, specifies the internalformat parameter passed to glTexStorage*D or glTexImage*D
- uint32_t glBaseInternalFormat;
- uint32_t pixelWidth;
- uint32_t pixelHeight;
- uint32_t pixelDepth;
- uint32_t numberOfArrayElements;
- uint32_t numberOfFaces; //Cube map faces are stored in the order: +X, -X, +Y, -Y, +Z, -Z.
- uint32_t numberOfMipmapLevels;
- uint32_t bytesOfKeyValueData;
+ uint8_t identifier[12];
+ uint32_t endianness;
+ uint32_t glType; //(UNSIGNED_BYTE, UNSIGNED_SHORT_5_6_5, etc.)
+ uint32_t glTypeSize;
+ uint32_t glFormat; //(RGB, RGBA, BGRA, etc.)
+ uint32_t glInternalFormat; //For uncompressed textures, specifies the internalformat parameter passed to glTexStorage*D or glTexImage*D
+ uint32_t glBaseInternalFormat;
+ uint32_t pixelWidth;
+ uint32_t pixelHeight;
+ uint32_t pixelDepth;
+ uint32_t numberOfArrayElements;
+ uint32_t numberOfFaces; //Cube map faces are stored in the order: +X, -X, +Y, -Y, +Z, -Z.
+ uint32_t numberOfMipmapLevels;
+ uint32_t bytesOfKeyValueData;
bool IsIdentifierValid() const
{
return std::equal(KTX_ID_HEAD, std::end(KTX_ID_HEAD), identifier) &&
- (std::equal(KTX_VERSION_1_1, std::end(KTX_VERSION_1_1), identifier + sizeof(KTX_ID_HEAD)) ||
- std::equal(KTX_VERSION_2_0, std::end(KTX_VERSION_2_0), identifier + sizeof(KTX_ID_HEAD))) &&
- std::equal(KTX_ID_TAIL, std::end(KTX_ID_TAIL), identifier + (sizeof(KTX_ID_HEAD) + sizeof(KTX_VERSION_1_1)));
+ (std::equal(KTX_VERSION_1_1, std::end(KTX_VERSION_1_1), identifier + sizeof(KTX_ID_HEAD)) ||
+ std::equal(KTX_VERSION_2_0, std::end(KTX_VERSION_2_0), identifier + sizeof(KTX_ID_HEAD))) &&
+ std::equal(KTX_ID_TAIL, std::end(KTX_ID_TAIL), identifier + (sizeof(KTX_ID_HEAD) + sizeof(KTX_VERSION_1_1)));
}
};
*/
bool ConvertPixelFormat(const uint32_t ktxPixelFormat, Pixel::Format& format)
{
- switch (ktxPixelFormat)
- {
- case 0x93B0: // GL_COMPRESSED_RGBA_ASTC_4x4
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_4x4_KHR;
- break;
- }
- case 0x93B1: // GL_COMPRESSED_RGBA_ASTC_5x4
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_5x4_KHR;
- break;
- }
- case 0x93B2: // GL_COMPRESSED_RGBA_ASTC_5x5
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_5x5_KHR;
- break;
- }
- case 0x93B3: // GL_COMPRESSED_RGBA_ASTC_6x5
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_6x5_KHR;
- break;
- }
- case 0x93B4: // GL_COMPRESSED_RGBA_ASTC_6x6
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_6x6_KHR;
- break;
- }
- case 0x93B5: // GL_COMPRESSED_RGBA_ASTC_8x5
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_8x5_KHR;
- break;
- }
- case 0x93B6: // GL_COMPRESSED_RGBA_ASTC_8x6
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_8x6_KHR;
- break;
- }
- case 0x93B7: // GL_COMPRESSED_RGBA_ASTC_8x8
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_8x8_KHR;
- break;
- }
- case 0x93B8: // GL_COMPRESSED_RGBA_ASTC_10x5
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_10x5_KHR;
- break;
- }
- case 0x93B9: // GL_COMPRESSED_RGBA_ASTC_10x6
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_10x6_KHR;
- break;
- }
- case 0x93BA: // GL_COMPRESSED_RGBA_ASTC_10x8
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_10x8_KHR;
- break;
- }
- case 0x93BB: // GL_COMPRESSED_RGBA_ASTC_10x10
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_10x10_KHR;
- break;
- }
- case 0x93BC: // GL_COMPRESSED_RGBA_ASTC_12x10
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_12x10_KHR;
- break;
- }
- case 0x93BD: // GL_COMPRESSED_RGBA_ASTC_12x12
- {
- format = Pixel::COMPRESSED_RGBA_ASTC_12x12_KHR;
- break;
- }
- case 0x881B: // GL_RGB16F
+ switch(ktxPixelFormat)
{
- format = Pixel::RGB16F;
- break;
- }
- case 0x8815: // GL_RGB32F
- {
- format = Pixel::RGB32F;
- break;
- }
- case 0x8C3A: // GL_R11F_G11F_B10F
- {
- format = Pixel::RGB32F;
- break;
- }
- case 0x8D7C: // GL_RGBA8UI
- {
- format = Pixel::RGBA8888;
- break;
- }
- case 0x8D7D: // GL_RGB8UI
- {
- format = Pixel::RGB888;
- break;
- }
- default:
- {
- return false;
- }
+ case 0x93B0: // GL_COMPRESSED_RGBA_ASTC_4x4
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_4x4_KHR;
+ break;
+ }
+ case 0x93B1: // GL_COMPRESSED_RGBA_ASTC_5x4
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_5x4_KHR;
+ break;
+ }
+ case 0x93B2: // GL_COMPRESSED_RGBA_ASTC_5x5
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_5x5_KHR;
+ break;
+ }
+ case 0x93B3: // GL_COMPRESSED_RGBA_ASTC_6x5
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_6x5_KHR;
+ break;
+ }
+ case 0x93B4: // GL_COMPRESSED_RGBA_ASTC_6x6
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_6x6_KHR;
+ break;
+ }
+ case 0x93B5: // GL_COMPRESSED_RGBA_ASTC_8x5
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_8x5_KHR;
+ break;
+ }
+ case 0x93B6: // GL_COMPRESSED_RGBA_ASTC_8x6
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_8x6_KHR;
+ break;
+ }
+ case 0x93B7: // GL_COMPRESSED_RGBA_ASTC_8x8
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_8x8_KHR;
+ break;
+ }
+ case 0x93B8: // GL_COMPRESSED_RGBA_ASTC_10x5
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_10x5_KHR;
+ break;
+ }
+ case 0x93B9: // GL_COMPRESSED_RGBA_ASTC_10x6
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_10x6_KHR;
+ break;
+ }
+ case 0x93BA: // GL_COMPRESSED_RGBA_ASTC_10x8
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_10x8_KHR;
+ break;
+ }
+ case 0x93BB: // GL_COMPRESSED_RGBA_ASTC_10x10
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_10x10_KHR;
+ break;
+ }
+ case 0x93BC: // GL_COMPRESSED_RGBA_ASTC_12x10
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_12x10_KHR;
+ break;
+ }
+ case 0x93BD: // GL_COMPRESSED_RGBA_ASTC_12x12
+ {
+ format = Pixel::COMPRESSED_RGBA_ASTC_12x12_KHR;
+ break;
+ }
+ case 0x881B: // GL_RGB16F
+ {
+ format = Pixel::RGB16F;
+ break;
+ }
+ case 0x8815: // GL_RGB32F
+ {
+ format = Pixel::RGB32F;
+ break;
+ }
+ case 0x8C3A: // GL_R11F_G11F_B10F
+ {
+ format = Pixel::RGB32F;
+ break;
+ }
+ case 0x8D7C: // GL_RGBA8UI
+ {
+ format = Pixel::RGBA8888;
+ break;
+ }
+ case 0x8D7D: // GL_RGB8UI
+ {
+ format = Pixel::RGB888;
+ break;
+ }
+ default:
+ {
+ return false;
+ }
}
return true;
Texture CubeData::CreateTexture() const
{
- Texture texture = Texture::New(TextureType::TEXTURE_CUBE, data[0][0].GetPixelFormat(),
- data[0][0].GetWidth(), data[0][0].GetHeight());
- for (size_t iSide = 0u, iEndSize = data.size(); iSide < iEndSize; ++iSide)
+ Texture texture = Texture::New(TextureType::TEXTURE_CUBE, data[0][0].GetPixelFormat(), data[0][0].GetWidth(), data[0][0].GetHeight());
+ for(size_t iSide = 0u, iEndSize = data.size(); iSide < iEndSize; ++iSide)
{
auto& side = data[iSide];
- for (size_t iMipLevel = 0u, iEndMipLevel = data[0].size(); iMipLevel < iEndMipLevel; ++iMipLevel)
+ for(size_t iMipLevel = 0u, iEndMipLevel = data[0].size(); iMipLevel < iEndMipLevel; ++iMipLevel)
{
- texture.Upload(side[iMipLevel], CubeMapLayer::POSITIVE_X + iSide, iMipLevel,
- 0u, 0u, side[iMipLevel].GetWidth(), side[iMipLevel].GetHeight());
+ texture.Upload(side[iMipLevel], CubeMapLayer::POSITIVE_X + iSide, iMipLevel, 0u, 0u, side[iMipLevel].GetWidth(), side[iMipLevel].GetHeight());
}
}
bool LoadCubeMapData(const std::string& path, CubeData& cubedata)
{
std::fstream fp(path, std::ios::in | std::ios::binary);
- if (fp.is_open() == false)
+ if(fp.is_open() == false)
{
return false;
}
KtxFileHeader header;
- if (fp.read(reinterpret_cast<char*>(&header), sizeof(KtxFileHeader)).good() == false)
+ if(fp.read(reinterpret_cast<char*>(&header), sizeof(KtxFileHeader)).good() == false)
{
return false;
}
- if (!header.IsIdentifierValid())
+ if(!header.IsIdentifierValid())
{
return false;
}
// Skip the key-values:
- if (fp.seekg(header.bytesOfKeyValueData, fp.cur).good() == false)
+ if(fp.seekg(header.bytesOfKeyValueData, fp.cur).good() == false)
{
return false;
}
- header.numberOfMipmapLevels = std::max(header.numberOfMipmapLevels, 1u);
+ header.numberOfMipmapLevels = std::max(header.numberOfMipmapLevels, 1u);
header.numberOfArrayElements = std::max(header.numberOfArrayElements, 1u);
- header.pixelDepth = std::max(header.pixelDepth, 1u);
- header.pixelHeight = std::max(header.pixelHeight, 1u);
+ header.pixelDepth = std::max(header.pixelDepth, 1u);
+ header.pixelHeight = std::max(header.pixelHeight, 1u);
cubedata.data.resize(header.numberOfFaces);
- for (uint32_t face = 0u; face < header.numberOfFaces; ++face)
+ for(uint32_t face = 0u; face < header.numberOfFaces; ++face)
{
cubedata.data[face].resize(header.numberOfMipmapLevels);
}
ConvertPixelFormat(header.glInternalFormat, daliformat);
- for (uint32_t mipmapLevel = 0u; mipmapLevel < header.numberOfMipmapLevels; ++mipmapLevel)
+ for(uint32_t mipmapLevel = 0u; mipmapLevel < header.numberOfMipmapLevels; ++mipmapLevel)
{
uint32_t byteSize = 0u;
- if (fp.read(reinterpret_cast<char*>(&byteSize), sizeof(byteSize)).good() == false)
+ if(fp.read(reinterpret_cast<char*>(&byteSize), sizeof(byteSize)).good() == false)
{
return false;
}
- if (0u != byteSize % 4u)
+ if(0u != byteSize % 4u)
{
byteSize += 4u - byteSize % 4u;
}
- for (uint32_t arrayElement = 0u; arrayElement < header.numberOfArrayElements; ++arrayElement) //arrayElement must be 0 or 1
+ for(uint32_t arrayElement = 0u; arrayElement < header.numberOfArrayElements; ++arrayElement) //arrayElement must be 0 or 1
{
- for (uint32_t face = 0u; face < header.numberOfFaces; ++face)
+ for(uint32_t face = 0u; face < header.numberOfFaces; ++face)
{
- std::unique_ptr<uint8_t, void(*)(uint8_t*)>img(new uint8_t[byteSize], FreeBuffer);
- if (fp.read(reinterpret_cast<char*>(img.get()), byteSize).good() == false)
+ std::unique_ptr<uint8_t, void (*)(uint8_t*)> img(new uint8_t[byteSize], FreeBuffer);
+ if(fp.read(reinterpret_cast<char*>(img.get()), byteSize).good() == false)
{
return false;
}
return true;
}
-}
-}
+} // namespace SceneLoader
+} // namespace Dali