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Usable OpenGL ES

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This commit is contained in:
Dušan Poizl
2024-08-22 17:54:26 +02:00
parent dd16a02045
commit 511802bdbd
6 changed files with 107 additions and 51 deletions
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rawimage.cpp
+44 -10
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@@ -2,12 +2,16 @@
#include <QDebug>
#include <cstring>
#include <QElapsedTimer>
#include <QFloat16>
using F16 = qfloat16;
int THUMB_SIZE = 128;
int THUMB_SIZE_BORDER = 138;
int THUMB_SIZE_BORDER_Y = 158;
double SATURATION = 0.95;
bool QUALITY_RESIZE = true;
extern bool OpenGLES;
#ifdef __SSE2__
template<typename T, int ch>
@@ -21,6 +25,7 @@ size_t RawImage::typeSize(RawImage::DataType type)
case RawImage::UINT8:
return 1;
case RawImage::UINT16:
case RawImage::FLOAT16:
return 2;
case RawImage::UINT32:
case RawImage::FLOAT32:
@@ -338,7 +343,7 @@ RawImage::DataType RawImage::type() const
uint32_t RawImage::norm() const
{
switch(m_type)
switch(m_origType)
{
case UINT8:
return UINT8_MAX;
@@ -404,10 +409,10 @@ void RawImage::convertToThumbnail()
if(m_thumbAspect == 0.0f)
m_thumbAspect = (float)width() / height();
std::unique_ptr<PixelType[]> outptr = std::make_unique<PixelType[]>(THUMB_SIZE * THUMB_SIZE * 4 * sizeof(uint16_t));
uint16_t *out = reinterpret_cast<uint16_t*>(outptr.get());
std::unique_ptr<PixelType[]> outptr = std::make_unique<PixelType[]>(THUMB_SIZE * THUMB_SIZE * 4 * sizeof(qfloat16));
F16 *out = reinterpret_cast<F16*>(outptr.get());
auto loop = [&](uint16_t *out, auto *in, auto scale)
auto loop = [&](F16 *out, auto *in, float scale)
{
for(int i=0; i<THUMB_SIZE; i++)
{
@@ -426,7 +431,7 @@ void RawImage::convertToThumbnail()
out[idx + 1] = in[idx2 + 1] * scale;;
out[idx + 2] = in[idx2 + 2] * scale;;
}
out[idx + 3] = UINT16_MAX;
out[idx + 3] = 1.0f;
}
}
};
@@ -434,16 +439,19 @@ void RawImage::convertToThumbnail()
switch(m_type)
{
case UINT8:
loop(out, reinterpret_cast<uint8_t*>(m_pixels.get()), 256);
loop(out, reinterpret_cast<uint8_t*>(m_pixels.get()), 1.0f/UINT8_MAX);
break;
case UINT16:
loop(out, reinterpret_cast<uint16_t*>(m_pixels.get()), 1);
loop(out, reinterpret_cast<uint16_t*>(m_pixels.get()), 1.0f/UINT16_MAX);
break;
case UINT32:
loop(out, reinterpret_cast<uint32_t*>(m_pixels.get()), UINT16_MAX/(float)UINT32_MAX);
loop(out, reinterpret_cast<uint32_t*>(m_pixels.get()), (float)(1.0/UINT32_MAX));
break;
case FLOAT16:
loop(out, reinterpret_cast<F16*>(m_pixels.get()), 1.0f);
break;
case FLOAT32:
loop(out, reinterpret_cast<float*>(m_pixels.get()), 65535.0);
loop(out, reinterpret_cast<float*>(m_pixels.get()), 1.0f);
break;
default:
qWarning() << "FLOAT64 should not happend";
@@ -455,7 +463,7 @@ void RawImage::convertToThumbnail()
m_height = THUMB_SIZE;
m_ch = 4;
m_channels = 3;
m_type = UINT16;
m_type = FLOAT16;
}
void RawImage::convertToGLFormat()
@@ -483,6 +491,17 @@ void RawImage::convertToGLFormat()
for(size_t i = 0; i < s; i++)
dst[i] = src[i];
}
else if(OpenGLES && m_type == UINT16)
{
m_original = std::move(m_pixels);
allocate(m_width, m_height, m_channels, FLOAT16);
m_origType = UINT16;
F16 *dst = reinterpret_cast<F16*>(m_pixels.get());
uint16_t *src = reinterpret_cast<uint16_t*>(m_original.get());
for(size_t i = 0; i < s; i++)
dst[i] = src[i] / (float)UINT16_MAX;
}
}
float RawImage::thumbAspect() const
@@ -571,6 +590,21 @@ bool RawImage::pixel(int x, int y, double &r, double &g, double &b) const
}
break;
}
case FLOAT16:
{
const F16 *v = static_cast<const F16*>(origData(y, x));
if(m_channels == 1)
{
r = g = b = *v;
}
else
{
r = v[0];
g = v[1];
b = v[2];
}
break;
}
}
return true;
}