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make sure to assign the proper mipFOrmat to the KTXStorage, and fix the glTypeSize again

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This commit is contained in:
samcake 2017-02-23 12:43:52 -08:00
parent 5007d77e56
commit 48c7d17140
3 changed files with 90 additions and 51 deletions
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12
libraries/gpu/src/gpu/Texture.cpp
View file

@ -124,7 +124,6 @@ uint8 Texture::NUM_FACES_PER_TYPE[NUM_TYPES] = { 1, 1, 1, 6 };
using Storage = Texture::Storage;
using PixelsPointer = Texture::PixelsPointer;
using MemoryStorage = Texture::MemoryStorage;
using KtxStorage = Texture::KtxStorage;
void Storage::assignTexture(Texture* texture) {
_texture = texture;
@ -199,13 +198,6 @@ void Texture::MemoryStorage::assignMipFaceData(uint16 level, uint8 face, const s
}
}
KtxStorage::KtxStorage(ktx::KTXUniquePointer& ktxData) : _ktxData(ktxData.release()) {
}
PixelsPointer KtxStorage::getMipFace(uint16 level, uint8 face) const {
return _ktxData->getMipFaceTexelsData(level, face);
}
Texture* Texture::createExternal(const ExternalRecycler& recycler, const Sampler& sampler) {
Texture* tex = new Texture(TextureUsageType::EXTERNAL);
tex->_type = TEX_2D;
@ -980,7 +972,3 @@ void Texture::setStorage(std::unique_ptr<Storage>& newStorage) {
_storage.swap(newStorage);
}
void Texture::setKtxBacking(ktx::KTXUniquePointer& ktxBacking) {
auto newBacking = std::unique_ptr<Storage>(new KtxStorage(ktxBacking));
setStorage(newBacking);
}

4
libraries/gpu/src/gpu/Texture.h
View file

@ -25,6 +25,7 @@
namespace ktx {
class KTX;
using KTXUniquePointer = std::unique_ptr<KTX>;
struct Header;
}
namespace gpu {
@ -509,8 +510,11 @@ public:
ExternalUpdates getUpdates() const;
// Textures can be serialized directly to ktx data file, here is how
static ktx::KTXUniquePointer serialize(const Texture& texture);
static Texture* unserialize(Usage usage, TextureUsageType usageType, const ktx::KTXUniquePointer& srcData, const Sampler& sampler = Sampler());
static bool evalKTXFormat(const Element& mipFormat, const Element& texelFormat, ktx::Header& header);
static bool evalTextureFormat(const ktx::Header& header, Element& mipFormat, Element& texelFormat);
protected:
const TextureUsageType _usageType;

125
libraries/gpu/src/gpu/Texture_ktx.cpp
View file

@ -15,6 +15,36 @@
#include <ktx/KTX.h>
using namespace gpu;
using PixelsPointer = Texture::PixelsPointer;
using KtxStorage = Texture::KtxStorage;
KtxStorage::KtxStorage(ktx::KTXUniquePointer& ktxData) {
// if the source ktx is valid let's config this KtxStorage correctly
if (ktxData && ktxData->getHeader()) {
// now that we know the ktx, let's get the header info to configure this Texture::Storage:
Format mipFormat = Format::COLOR_BGRA_32;
Format texelFormat = Format::COLOR_SRGBA_32;
if (Texture::evalTextureFormat(*ktxData->getHeader(), mipFormat, texelFormat)) {
_format = mipFormat;
}
}
_ktxData.reset(ktxData.release());
}
PixelsPointer KtxStorage::getMipFace(uint16 level, uint8 face) const {
return _ktxData->getMipFaceTexelsData(level, face);
}
void Texture::setKtxBacking(ktx::KTXUniquePointer& ktxBacking) {
auto newBacking = std::unique_ptr<Storage>(new KtxStorage(ktxBacking));
setStorage(newBacking);
}
ktx::KTXUniquePointer Texture::serialize(const Texture& texture) {
ktx::Header header;
@ -22,17 +52,7 @@ ktx::KTXUniquePointer Texture::serialize(const Texture& texture) {
auto texelFormat = texture.getTexelFormat();
auto mipFormat = texture.getStoredMipFormat();
if (texelFormat == Format::COLOR_RGBA_32 && mipFormat == Format::COLOR_BGRA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 4, ktx::GLFormat::BGRA, ktx::GLInternalFormat_Uncompressed::RGBA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_RGBA_32 && mipFormat == Format::COLOR_RGBA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 4, ktx::GLFormat::RGBA, ktx::GLInternalFormat_Uncompressed::RGBA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_SRGBA_32 && mipFormat == Format::COLOR_SBGRA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 4, ktx::GLFormat::BGRA, ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_SRGBA_32 && mipFormat == Format::COLOR_SRGBA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 4, ktx::GLFormat::RGBA, ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_R_8 && mipFormat == Format::COLOR_R_8) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 1, ktx::GLFormat::RED, ktx::GLInternalFormat_Uncompressed::R8, ktx::GLBaseInternalFormat::RED);
} else {
if (!Texture::evalKTXFormat(mipFormat, texelFormat, header)) {
return nullptr;
}
@ -130,33 +150,8 @@ Texture* Texture::unserialize(Usage usage, TextureUsageType usageType, const ktx
Format mipFormat = Format::COLOR_BGRA_32;
Format texelFormat = Format::COLOR_SRGBA_32;
if (header.getGLFormat() == ktx::GLFormat::BGRA && header.getGLType() == ktx::GLType::UNSIGNED_BYTE && header.getTypeSize() == 4) {
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::RGBA8) {
mipFormat = Format::COLOR_BGRA_32;
texelFormat = Format::COLOR_RGBA_32;
} else if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8) {
mipFormat = Format::COLOR_SBGRA_32;
texelFormat = Format::COLOR_SRGBA_32;
} else {
return nullptr;
}
} else if (header.getGLFormat() == ktx::GLFormat::RGBA && header.getGLType() == ktx::GLType::UNSIGNED_BYTE && header.getTypeSize() == 4) {
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::RGBA8) {
mipFormat = Format::COLOR_RGBA_32;
texelFormat = Format::COLOR_RGBA_32;
} else if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8) {
mipFormat = Format::COLOR_SRGBA_32;
texelFormat = Format::COLOR_SRGBA_32;
} else {
return nullptr;
}
} else if (header.getGLFormat() == ktx::GLFormat::RED && header.getGLType() == ktx::GLType::UNSIGNED_BYTE && header.getTypeSize() == 1) {
mipFormat = Format::COLOR_R_8;
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::R8) {
texelFormat = Format::COLOR_R_8;
} else {
return nullptr;
}
if (!Texture::evalTextureFormat(header, mipFormat, texelFormat)) {
return nullptr;
}
// Find Texture Type based on dimensions
@ -198,4 +193,56 @@ Texture* Texture::unserialize(Usage usage, TextureUsageType usageType, const ktx
}
return tex;
}
}
bool Texture::evalKTXFormat(const Element& mipFormat, const Element& texelFormat, ktx::Header& header) {
if (texelFormat == Format::COLOR_RGBA_32 && mipFormat == Format::COLOR_BGRA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 1, ktx::GLFormat::BGRA, ktx::GLInternalFormat_Uncompressed::RGBA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_RGBA_32 && mipFormat == Format::COLOR_RGBA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 1, ktx::GLFormat::RGBA, ktx::GLInternalFormat_Uncompressed::RGBA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_SRGBA_32 && mipFormat == Format::COLOR_SBGRA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 1, ktx::GLFormat::BGRA, ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_SRGBA_32 && mipFormat == Format::COLOR_SRGBA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 1, ktx::GLFormat::RGBA, ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8, ktx::GLBaseInternalFormat::RGBA);
} else if (texelFormat == Format::COLOR_R_8 && mipFormat == Format::COLOR_R_8) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 1, ktx::GLFormat::RED, ktx::GLInternalFormat_Uncompressed::R8, ktx::GLBaseInternalFormat::RED);
} else {
return false;
}
return true;
}
bool Texture::evalTextureFormat(const ktx::Header& header, Element& mipFormat, Element& texelFormat) {
if (header.getGLFormat() == ktx::GLFormat::BGRA && header.getGLType() == ktx::GLType::UNSIGNED_BYTE && header.getTypeSize() == 1) {
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::RGBA8) {
mipFormat = Format::COLOR_BGRA_32;
texelFormat = Format::COLOR_RGBA_32;
} else if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8) {
mipFormat = Format::COLOR_SBGRA_32;
texelFormat = Format::COLOR_SRGBA_32;
} else {
return false;
}
} else if (header.getGLFormat() == ktx::GLFormat::RGBA && header.getGLType() == ktx::GLType::UNSIGNED_BYTE && header.getTypeSize() == 1) {
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::RGBA8) {
mipFormat = Format::COLOR_RGBA_32;
texelFormat = Format::COLOR_RGBA_32;
} else if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8) {
mipFormat = Format::COLOR_SRGBA_32;
texelFormat = Format::COLOR_SRGBA_32;
} else {
return false;
}
} else if (header.getGLFormat() == ktx::GLFormat::RED && header.getGLType() == ktx::GLType::UNSIGNED_BYTE && header.getTypeSize() == 1) {
mipFormat = Format::COLOR_R_8;
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::R8) {
texelFormat = Format::COLOR_R_8;
} else {
return false;
}
} else {
return false;
}
return true;
}