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Add support for the R8 textures

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This commit is contained in:
samcake 2017-02-21 10:46:49 -08:00
parent ba54b5ce11
commit 5e307f247e
6 changed files with 51 additions and 13 deletions
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3
libraries/gpu-gl/src/gpu/gl/GLTexelFormat.cpp
View file

@ -17,6 +17,7 @@ GLenum GLTexelFormat::evalGLTexelFormatInternal(const gpu::Element& dstFormat) {
switch (dstFormat.getDimension()) {
case gpu::SCALAR: {
switch (dstFormat.getSemantic()) {
case gpu::RED:
case gpu::RGB:
case gpu::RGBA:
case gpu::SRGB:
@ -262,6 +263,7 @@ GLTexelFormat GLTexelFormat::evalGLTexelFormat(const Element& dstFormat, const E
texel.type = ELEMENT_TYPE_TO_GL[dstFormat.getType()];
switch (dstFormat.getSemantic()) {
case gpu::RED:
case gpu::RGB:
case gpu::RGBA:
texel.internalFormat = GL_R8;
@ -403,6 +405,7 @@ GLTexelFormat GLTexelFormat::evalGLTexelFormat(const Element& dstFormat, const E
texel.internalFormat = GL_COMPRESSED_RED_RGTC1;
break;
}
case gpu::RED:
case gpu::RGB:
case gpu::RGBA:
case gpu::SRGB:

2
libraries/gpu/src/gpu/Format.cpp
View file

@ -10,6 +10,8 @@
using namespace gpu;
const Element Element::COLOR_R_8 { SCALAR, NUINT8, RED };
const Element Element::COLOR_RGBA_32{ VEC4, NUINT8, RGBA };
const Element Element::COLOR_SRGBA_32{ VEC4, NUINT8, SRGBA };

2
libraries/gpu/src/gpu/Format.h
View file

@ -133,6 +133,7 @@ static const int SCALAR_COUNT[NUM_DIMENSIONS] = {
enum Semantic {
RAW = 0, // used as RAW memory
RED,
RGB,
RGBA,
BGRA,
@ -227,6 +228,7 @@ public:
return getRaw() != right.getRaw();
}
static const Element COLOR_R_8;
static const Element COLOR_RGBA_32;
static const Element COLOR_SRGBA_32;
static const Element COLOR_BGRA_32;

37
libraries/gpu/src/gpu/Texture_ktx.cpp
View file

@ -20,13 +20,18 @@ ktx::KTXUniquePointer Texture::serialize(const Texture& texture) {
// From texture format to ktx format description
auto texelFormat = texture.getTexelFormat();
if ( !( (texelFormat == Format::COLOR_RGBA_32)
|| (texelFormat == Format::COLOR_SRGBA_32)
))
return nullptr;
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 4, ktx::GLFormat::BGRA, ktx::GLInternalFormat_Uncompressed::RGBA8, ktx::GLBaseInternalFormat::RGBA);
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_SRGBA_32 && mipFormat == Format::COLOR_BGRA_32) {
header.setUncompressed(ktx::GLType::UNSIGNED_BYTE, 4, ktx::GLFormat::BGRA, 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 nullptr;
}
// Set Dimensions
uint32_t numFaces = 1;
switch (texture.getType()) {
@ -97,9 +102,27 @@ Texture* Texture::unserialize(Usage usage, TextureUsageType usageType, const ktx
}
const auto& header = *srcData->getHeader();
Format mipFormat = Format::COLOR_SBGRA_32;
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) {
mipFormat = Format::COLOR_BGRA_32;
if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::RGBA8) {
texelFormat = Format::COLOR_RGBA_32;
} else if (header.getGLInternaFormat_Uncompressed() == ktx::GLInternalFormat_Uncompressed::SRGB8_ALPHA8) {
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;
}
}
// Find Texture Type based on dimensions
Type type = TEX_1D;
if (header.pixelWidth == 0) {

8
libraries/ktx/src/ktx/KTX.h
View file

@ -394,6 +394,14 @@ namespace ktx {
glBaseInternalFormat = (uint32_t) baseInternalFormat;
}
GLType getGLType() const { return (GLType)glType; }
uint32_t getTypeSize() const { return glTypeSize; }
GLFormat getGLFormat() const { return (GLFormat)glFormat; }
GLInternalFormat_Uncompressed getGLInternaFormat_Uncompressed() const { return (GLInternalFormat_Uncompressed)glInternalFormat; }
GLInternalFormat_Compressed getGLInternaFormat_Compressed() const { return (GLInternalFormat_Compressed)glInternalFormat; }
GLBaseInternalFormat getGLBaseInternalFormat() const { return (GLBaseInternalFormat)glBaseInternalFormat; }
void setDimensions(uint32_t width, uint32_t height = 0, uint32_t depth = 0, uint32_t numSlices = 0, uint32_t numFaces = 1) {
pixelWidth = (width > 0 ? width : 1);
pixelHeight = height;

12
libraries/model/src/model/TextureMap.cpp
View file

@ -504,9 +504,9 @@ gpu::Texture* TextureUsage::createRoughnessTextureFromImage(const QImage& srcIma
#ifdef COMPRESS_TEXTURES
gpu::Element formatGPU = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::COMPRESSED_R);
#else
gpu::Element formatGPU = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::RGB);
gpu::Element formatGPU = gpu::Element::COLOR_R_8;
#endif
gpu::Element formatMip = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::RGB);
gpu::Element formatMip = gpu::Element::COLOR_R_8;
theTexture = (gpu::Texture::create2D(formatGPU, image.width(), image.height(), gpu::Sampler(gpu::Sampler::FILTER_MIN_MAG_MIP_LINEAR)));
theTexture->setSource(srcImageName);
@ -545,9 +545,9 @@ gpu::Texture* TextureUsage::createRoughnessTextureFromGlossImage(const QImage& s
#ifdef COMPRESS_TEXTURES
gpu::Element formatGPU = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::COMPRESSED_R);
#else
gpu::Element formatGPU = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::RGB);
gpu::Element formatGPU = gpu::Element::COLOR_R_8;
#endif
gpu::Element formatMip = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::RGB);
gpu::Element formatMip = gpu::Element::COLOR_R_8;
theTexture = (gpu::Texture::create2D(formatGPU, image.width(), image.height(), gpu::Sampler(gpu::Sampler::FILTER_MIN_MAG_MIP_LINEAR)));
theTexture->setSource(srcImageName);
@ -583,9 +583,9 @@ gpu::Texture* TextureUsage::createMetallicTextureFromImage(const QImage& srcImag
#ifdef COMPRESS_TEXTURES
gpu::Element formatGPU = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::COMPRESSED_R);
#else
gpu::Element formatGPU = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::RGB);
gpu::Element formatGPU = gpu::Element::COLOR_R_8;
#endif
gpu::Element formatMip = gpu::Element(gpu::SCALAR, gpu::NUINT8, gpu::RGB);
gpu::Element formatMip = gpu::Element::COLOR_R_8;
theTexture = (gpu::Texture::create2D(formatGPU, image.width(), image.height(), gpu::Sampler(gpu::Sampler::FILTER_MIN_MAG_MIP_LINEAR)));
theTexture->setSource(srcImageName);