FormatConverter.cpp [plain text]
#include "config.h"
#if ENABLE(GRAPHICS_CONTEXT_GL)
#include "FormatConverter.h"
#if HAVE(ARM_NEON_INTRINSICS)
#include "GraphicsContextGLNEON.h"
#endif
#if USE(ACCELERATE)
#include <Accelerate/Accelerate.h>
#endif
namespace WebCore {
namespace {
const float MaxInt8Value = INT8_MAX;
const float MaxUInt8Value = UINT8_MAX;
const float MaxInt16Value = INT16_MAX;
const float MaxUInt16Value = UINT16_MAX;
const double MaxInt32Value = INT32_MAX;
const double MaxUInt32Value = UINT32_MAX;
int8_t clampMin(int8_t value)
{
const int8_t MinInt8Value = INT8_MIN + 1;
return value < MinInt8Value ? MinInt8Value : value;
}
int16_t clampMin(int16_t value)
{
const int16_t MinInt16Value = INT16_MIN + 1;
return value < MinInt16Value ? MinInt16Value : value;
}
int32_t clampMin(int32_t value)
{
const int32_t MinInt32Value = INT32_MIN + 1;
return value < MinInt32Value ? MinInt32Value : value;
}
}
static const unsigned short baseTable[512] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 1, 2, 4, 8, 16, 32, 64, 128, 256,
512, 1024, 2048, 3072, 4096, 5120, 6144, 7168, 8192, 9216, 10240, 11264, 12288, 13312, 14336, 15360,
16384, 17408, 18432, 19456, 20480, 21504, 22528, 23552, 24576, 25600, 26624, 27648, 28672, 29696, 30720, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744, 31744,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768, 32768,
32768, 32768, 32768, 32768, 32768, 32768, 32768, 32769, 32770, 32772, 32776, 32784, 32800, 32832, 32896, 33024,
33280, 33792, 34816, 35840, 36864, 37888, 38912, 39936, 40960, 41984, 43008, 44032, 45056, 46080, 47104, 48128,
49152, 50176, 51200, 52224, 53248, 54272, 55296, 56320, 57344, 58368, 59392, 60416, 61440, 62464, 63488, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512,
64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512, 64512
};
static const unsigned char shiftTable[512] = {
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15,
14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 13,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15,
14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 13
};
inline unsigned short convertFloatToHalfFloat(float f)
{
unsigned temp = *(reinterpret_cast<unsigned *>(&f));
unsigned signexp = (temp >> 23) & 0x1ff;
return baseTable[signexp] + ((temp & 0x007fffff) >> shiftTable[signexp]);
}
template<GraphicsContextGL::DataFormat format, typename SourceType, typename DstType>
ALWAYS_INLINE void unpack(const SourceType*, DstType*, unsigned)
{
ASSERT_NOT_REACHED();
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::ARGB8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[1];
destination[1] = source[2];
destination[2] = source[3];
destination[3] = source[0];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::ABGR8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[3];
destination[1] = source[2];
destination[2] = source[1];
destination[3] = source[0];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::BGRA8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
const uint32_t* source32 = reinterpret_cast_ptr<const uint32_t*>(source);
uint32_t* destination32 = reinterpret_cast_ptr<uint32_t*>(destination);
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
uint32_t bgra = source32[i];
#if CPU(BIG_ENDIAN)
uint32_t brMask = 0xff00ff00;
uint32_t gaMask = 0x00ff00ff;
#else
uint32_t brMask = 0x00ff00ff;
uint32_t gaMask = 0xff00ff00;
#endif
uint32_t rgba = (((bgra >> 16) | (bgra << 16)) & brMask) | (bgra & gaMask);
destination32[i] = rgba;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGBA5551, uint16_t, uint8_t>(const uint16_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
#if HAVE(ARM_NEON_INTRINSICS)
SIMD::unpackOneRowOfRGBA5551ToRGBA8(source, destination, pixelsPerRow);
#endif
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
uint16_t packedValue = source[0];
uint8_t r = packedValue >> 11;
uint8_t g = (packedValue >> 6) & 0x1F;
uint8_t b = (packedValue >> 1) & 0x1F;
destination[0] = (r << 3) | (r & 0x7);
destination[1] = (g << 3) | (g & 0x7);
destination[2] = (b << 3) | (b & 0x7);
destination[3] = (packedValue & 0x1) ? 0xFF : 0x0;
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGBA4444, uint16_t, uint8_t>(const uint16_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
#if HAVE(ARM_NEON_INTRINSICS)
SIMD::unpackOneRowOfRGBA4444ToRGBA8(source, destination, pixelsPerRow);
#endif
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
uint16_t packedValue = source[0];
uint8_t r = packedValue >> 12;
uint8_t g = (packedValue >> 8) & 0x0F;
uint8_t b = (packedValue >> 4) & 0x0F;
uint8_t a = packedValue & 0x0F;
destination[0] = r << 4 | r;
destination[1] = g << 4 | g;
destination[2] = b << 4 | b;
destination[3] = a << 4 | a;
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RA8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[0];
destination[2] = source[0];
destination[3] = source[1];
source += 2;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::AR8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[1];
destination[1] = source[1];
destination[2] = source[1];
destination[3] = source[0];
source += 2;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGBA8, uint8_t, float>(const uint8_t* source, float* destination, unsigned pixelsPerRow)
{
const float scaleFactor = 1.0f / 255.0f;
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
destination[2] = source[2] * scaleFactor;
destination[3] = source[3] * scaleFactor;
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::BGRA8, uint8_t, float>(const uint8_t* source, float* destination, unsigned pixelsPerRow)
{
const float scaleFactor = 1.0f / 255.0f;
for (unsigned int i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[2] * scaleFactor;
destination[1] = source[1] * scaleFactor;
destination[2] = source[0] * scaleFactor;
destination[3] = source[3] * scaleFactor;
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::ABGR8, uint8_t, float>(const uint8_t* source, float* destination, unsigned pixelsPerRow)
{
const float scaleFactor = 1.0f / 255.0f;
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[3] * scaleFactor;
destination[1] = source[2] * scaleFactor;
destination[2] = source[1] * scaleFactor;
destination[3] = source[0] * scaleFactor;
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::ARGB8, uint8_t, float>(const uint8_t* source, float* destination, unsigned pixelsPerRow)
{
const float scaleFactor = 1.0f / 255.0f;
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[1] * scaleFactor;
destination[1] = source[2] * scaleFactor;
destination[2] = source[3] * scaleFactor;
destination[3] = source[0] * scaleFactor;
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RA32F, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[0];
destination[2] = source[0];
destination[3] = source[1];
source += 2;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGBA2_10_10_10, uint32_t, float>(const uint32_t* source, float* destination, unsigned pixelsPerRow)
{
const float rgbScaleFactor = 1.0f / 1023.0f;
const float alphaScaleFactor = 1.0f / 3.0f;
for (unsigned i = 0; i < pixelsPerRow; ++i) {
uint32_t packedValue = source[0];
destination[0] = static_cast<float>(packedValue & 0x3FF) * rgbScaleFactor;
destination[1] = static_cast<float>((packedValue >> 10) & 0x3FF) * rgbScaleFactor;
destination[2] = static_cast<float>((packedValue >> 20) & 0x3FF) * rgbScaleFactor;
destination[3] = static_cast<float>(packedValue >> 30) * alphaScaleFactor;
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::R8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[0];
destination[2] = source[0];
destination[3] = 0xFF;
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::A8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = 0x0;
destination[1] = 0x0;
destination[2] = 0x0;
destination[3] = source[0];
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::R32F, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[0];
destination[2] = source[0];
destination[3] = 1;
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::A32F, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = 0;
destination[1] = 0;
destination[2] = 0;
destination[3] = source[0];
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGB8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[1];
destination[2] = source[2];
destination[3] = 0xFF;
source += 3;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::BGR8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[2];
destination[1] = source[1];
destination[2] = source[0];
destination[3] = 0xFF;
source += 3;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGB565, uint16_t, uint8_t>(const uint16_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
#if HAVE(ARM_NEON_INTRINSICS)
SIMD::unpackOneRowOfRGB565ToRGBA8(source, destination, pixelsPerRow);
#endif
for (unsigned i = 0; i < pixelsPerRow; ++i) {
uint16_t packedValue = source[0];
uint8_t r = packedValue >> 11;
uint8_t g = (packedValue >> 5) & 0x3F;
uint8_t b = packedValue & 0x1F;
destination[0] = (r << 3) | (r & 0x7);
destination[1] = (g << 2) | (g & 0x3);
destination[2] = (b << 3) | (b & 0x7);
destination[3] = 0xFF;
source += 1;
destination += 4;
}
}
template<> ALWAYS_INLINE void unpack<GraphicsContextGL::DataFormat::RGB32F, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[1];
destination[2] = source[2];
destination[3] = 1;
source += 3;
destination += 4;
}
}
template<GraphicsContextGL::DataFormat format, int alphaOp, typename SourceType, typename DstType>
ALWAYS_INLINE void pack(const SourceType*, DstType*, unsigned)
{
ASSERT_NOT_REACHED();
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::A8, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[3];
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R8, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R8, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
destination[0] = sourceR;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R8, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
destination[0] = sourceR;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA8, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[3];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA8, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
destination[0] = sourceR;
destination[1] = source[3];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA8, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
destination[0] = sourceR;
destination[1] = source[3];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB8, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[1];
destination[2] = source[2];
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB8, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
destination[0] = sourceR;
destination[1] = sourceG;
destination[2] = sourceB;
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB8, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
destination[0] = sourceR;
destination[1] = sourceG;
destination[2] = sourceB;
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA8, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
destination[0] = sourceR;
destination[1] = sourceG;
destination[2] = sourceB;
destination[3] = source[3];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA8, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
destination[0] = sourceR;
destination[1] = sourceG;
destination[2] = sourceB;
destination[3] = source[3];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA4444, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
#if HAVE(ARM_NEON_INTRINSICS)
SIMD::packOneRowOfRGBA8ToUnsignedShort4444(source, destination, pixelsPerRow);
#endif
for (unsigned i = 0; i < pixelsPerRow; ++i) {
*destination = (((source[0] & 0xF0) << 8)
| ((source[1] & 0xF0) << 4)
| (source[2] & 0xF0)
| (source[3] >> 4));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA4444, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
*destination = (((sourceR & 0xF0) << 8)
| ((sourceG & 0xF0) << 4)
| (sourceB & 0xF0)
| (source[3] >> 4));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA4444, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
*destination = (((sourceR & 0xF0) << 8)
| ((sourceG & 0xF0) << 4)
| (sourceB & 0xF0)
| (source[3] >> 4));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA5551, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
#if HAVE(ARM_NEON_INTRINSICS)
SIMD::packOneRowOfRGBA8ToUnsignedShort5551(source, destination, pixelsPerRow);
#endif
for (unsigned i = 0; i < pixelsPerRow; ++i) {
*destination = (((source[0] & 0xF8) << 8)
| ((source[1] & 0xF8) << 3)
| ((source[2] & 0xF8) >> 2)
| (source[3] >> 7));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA5551, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
*destination = (((sourceR & 0xF8) << 8)
| ((sourceG & 0xF8) << 3)
| ((sourceB & 0xF8) >> 2)
| (source[3] >> 7));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA5551, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
*destination = (((sourceR & 0xF8) << 8)
| ((sourceG & 0xF8) << 3)
| ((sourceB & 0xF8) >> 2)
| (source[3] >> 7));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB565, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
#if HAVE(ARM_NEON_INTRINSICS)
SIMD::packOneRowOfRGBA8ToUnsignedShort565(source, destination, pixelsPerRow);
#endif
for (unsigned i = 0; i < pixelsPerRow; ++i) {
*destination = (((source[0] & 0xF8) << 8)
| ((source[1] & 0xFC) << 3)
| ((source[2] & 0xF8) >> 3));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB565, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] / 255.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
*destination = (((sourceR & 0xF8) << 8)
| ((sourceG & 0xFC) << 3)
| ((sourceB & 0xF8) >> 3));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB565, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 255.0f / source[3] : 1.0f;
uint8_t sourceR = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
uint8_t sourceG = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
uint8_t sourceB = static_cast<uint8_t>(static_cast<float>(source[2]) * scaleFactor);
*destination = (((sourceR & 0xF8) << 8)
| ((sourceG & 0xFC) << 3)
| ((sourceB & 0xF8) >> 3));
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB32F, GraphicsContextGL::AlphaOp::DoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[1];
destination[2] = source[2];
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB32F, GraphicsContextGL::AlphaOp::DoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
destination[2] = source[2] * scaleFactor;
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB32F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
destination[2] = source[2] * scaleFactor;
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA32F, GraphicsContextGL::AlphaOp::DoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
destination[2] = source[2] * scaleFactor;
destination[3] = source[3];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA32F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
destination[2] = source[2] * scaleFactor;
destination[3] = source[3];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::A32F, GraphicsContextGL::AlphaOp::DoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[3];
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R32F, GraphicsContextGL::AlphaOp::DoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R32F, GraphicsContextGL::AlphaOp::DoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = source[0] * scaleFactor;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R32F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = source[0] * scaleFactor;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA32F, GraphicsContextGL::AlphaOp::DoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = source[0];
destination[1] = source[3];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA32F, GraphicsContextGL::AlphaOp::DoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = source[0] * scaleFactor;
destination[1] = source[3];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA32F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = source[0] * scaleFactor;
destination[1] = source[3];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA16F, GraphicsContextGL::AlphaOp::DoNothing, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = convertFloatToHalfFloat(source[0]);
destination[1] = convertFloatToHalfFloat(source[1]);
destination[2] = convertFloatToHalfFloat(source[2]);
destination[3] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA16F, GraphicsContextGL::AlphaOp::DoPremultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[1] * scaleFactor);
destination[2] = convertFloatToHalfFloat(source[2] * scaleFactor);
destination[3] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGBA16F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[1] * scaleFactor);
destination[2] = convertFloatToHalfFloat(source[2] * scaleFactor);
destination[3] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB16F, GraphicsContextGL::AlphaOp::DoNothing, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = convertFloatToHalfFloat(source[0]);
destination[1] = convertFloatToHalfFloat(source[1]);
destination[2] = convertFloatToHalfFloat(source[2]);
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB16F, GraphicsContextGL::AlphaOp::DoPremultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[1] * scaleFactor);
destination[2] = convertFloatToHalfFloat(source[2] * scaleFactor);
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RGB16F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[1] * scaleFactor);
destination[2] = convertFloatToHalfFloat(source[2] * scaleFactor);
source += 4;
destination += 3;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA16F, GraphicsContextGL::AlphaOp::DoNothing, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = convertFloatToHalfFloat(source[0]);
destination[1] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA16F, GraphicsContextGL::AlphaOp::DoPremultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::RA16F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R16F, GraphicsContextGL::AlphaOp::DoNothing, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = convertFloatToHalfFloat(source[0]);
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R16F, GraphicsContextGL::AlphaOp::DoPremultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3];
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::R16F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE void pack<GraphicsContextGL::DataFormat::A16F, GraphicsContextGL::AlphaOp::DoNothing, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixelsPerRow)
{
for (unsigned i = 0; i < pixelsPerRow; ++i) {
destination[0] = convertFloatToHalfFloat(source[3]);
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA8_S, GraphicsContextGL::AlphaOp::DoPremultiply, int8_t, int8_t>(const int8_t* source, int8_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
destination[3] = clampMin(source[3]);
float scaleFactor = static_cast<float>(destination[3]) / MaxInt8Value;
destination[0] = static_cast<int8_t>(static_cast<float>(clampMin(source[0])) * scaleFactor);
destination[1] = static_cast<int8_t>(static_cast<float>(clampMin(source[1])) * scaleFactor);
destination[2] = static_cast<int8_t>(static_cast<float>(clampMin(source[2])) * scaleFactor);
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA16, GraphicsContextGL::AlphaOp::DoPremultiply, uint16_t, uint16_t>(const uint16_t* source, uint16_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = static_cast<float>(source[3]) / MaxUInt16Value;
destination[0] = static_cast<uint16_t>(static_cast<float>(source[0]) * scaleFactor);
destination[1] = static_cast<uint16_t>(static_cast<float>(source[1]) * scaleFactor);
destination[2] = static_cast<uint16_t>(static_cast<float>(source[2]) * scaleFactor);
destination[3] = source[3];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA16_S, GraphicsContextGL::AlphaOp::DoPremultiply, int16_t, int16_t>(const int16_t* source, int16_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
destination[3] = clampMin(source[3]);
float scaleFactor = static_cast<float>(destination[3]) / MaxInt16Value;
destination[0] = static_cast<int16_t>(static_cast<float>(clampMin(source[0])) * scaleFactor);
destination[1] = static_cast<int16_t>(static_cast<float>(clampMin(source[1])) * scaleFactor);
destination[2] = static_cast<int16_t>(static_cast<float>(clampMin(source[2])) * scaleFactor);
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA32, GraphicsContextGL::AlphaOp::DoPremultiply, uint32_t, uint32_t>(const uint32_t* source, uint32_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
double scaleFactor = static_cast<double>(source[3]) / MaxUInt32Value;
destination[0] = static_cast<uint32_t>(static_cast<double>(source[0]) * scaleFactor);
destination[1] = static_cast<uint32_t>(static_cast<double>(source[1]) * scaleFactor);
destination[2] = static_cast<uint32_t>(static_cast<double>(source[2]) * scaleFactor);
destination[3] = source[3];
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA32_S, GraphicsContextGL::AlphaOp::DoPremultiply, int32_t, int32_t>(const int32_t* source, int32_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
destination[3] = clampMin(source[3]);
double scaleFactor = static_cast<double>(destination[3]) / MaxInt32Value;
destination[0] = static_cast<int32_t>(static_cast<double>(clampMin(source[0])) * scaleFactor);
destination[1] = static_cast<int32_t>(static_cast<double>(clampMin(source[1])) * scaleFactor);
destination[2] = static_cast<int32_t>(static_cast<double>(clampMin(source[2])) * scaleFactor);
source += 4;
destination += 4;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA2_10_10_10, GraphicsContextGL::AlphaOp::DoNothing, float, uint32_t>(const float* source, uint32_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
uint32_t r = static_cast<uint32_t>(source[0] * 1023.0f);
uint32_t g = static_cast<uint32_t>(source[1] * 1023.0f);
uint32_t b = static_cast<uint32_t>(source[2] * 1023.0f);
uint32_t a = static_cast<uint32_t>(source[3] * 3.0f);
destination[0] = (a << 30) | (b << 20) | (g << 10) | r;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA2_10_10_10, GraphicsContextGL::AlphaOp::DoPremultiply, float, uint32_t>(const float* source, uint32_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
uint32_t r = static_cast<uint32_t>(source[0] * source[3] * 1023.0f);
uint32_t g = static_cast<uint32_t>(source[1] * source[3] * 1023.0f);
uint32_t b = static_cast<uint32_t>(source[2] * source[3] * 1023.0f);
uint32_t a = static_cast<uint32_t>(source[3] * 3.0f);
destination[0] = (a << 30) | (b << 20) | (g << 10) | r;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RGBA2_10_10_10, GraphicsContextGL::AlphaOp::DoUnmultiply, float, uint32_t>(const float* source, uint32_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = source[3] ? 1023.0f / source[3] : 1023.0f;
uint32_t r = static_cast<uint32_t>(source[0] * scaleFactor);
uint32_t g = static_cast<uint32_t>(source[1] * scaleFactor);
uint32_t b = static_cast<uint32_t>(source[2] * scaleFactor);
uint32_t a = static_cast<uint32_t>(source[3] * 3.0f);
destination[0] = (a << 30) | (b << 20) | (g << 10) | r;
source += 4;
destination += 1;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG8, GraphicsContextGL::AlphaOp::DoNothing, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
destination[0] = source[0];
destination[1] = source[1];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG8, GraphicsContextGL::AlphaOp::DoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = static_cast<float>(source[3]) / MaxUInt8Value;
destination[0] = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
destination[1] = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG8, GraphicsContextGL::AlphaOp::DoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = source[3] ? MaxUInt8Value / static_cast<float>(source[3]) : 1.0f;
destination[0] = static_cast<uint8_t>(static_cast<float>(source[0]) * scaleFactor);
destination[1] = static_cast<uint8_t>(static_cast<float>(source[1]) * scaleFactor);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG16F, GraphicsContextGL::AlphaOp::DoNothing, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
destination[0] = convertFloatToHalfFloat(source[0]);
destination[1] = convertFloatToHalfFloat(source[1]);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG16F, GraphicsContextGL::AlphaOp::DoPremultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = source[3];
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[1] * scaleFactor);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG16F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, uint16_t>(const float* source, uint16_t* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = convertFloatToHalfFloat(source[0] * scaleFactor);
destination[1] = convertFloatToHalfFloat(source[1] * scaleFactor);
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG32F, GraphicsContextGL::AlphaOp::DoNothing, float, float>(const float* source, float* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
destination[0] = source[0];
destination[1] = source[1];
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG32F, GraphicsContextGL::AlphaOp::DoPremultiply, float, float>(const float* source, float* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = source[3];
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
source += 4;
destination += 2;
}
}
template<> ALWAYS_INLINE
void pack<GraphicsContextGL::DataFormat::RG32F, GraphicsContextGL::AlphaOp::DoUnmultiply, float, float>(const float* source, float* destination, unsigned pixels_per_row)
{
for (unsigned i = 0; i < pixels_per_row; ++i) {
float scaleFactor = source[3] ? 1.0f / source[3] : 1.0f;
destination[0] = source[0] * scaleFactor;
destination[1] = source[1] * scaleFactor;
source += 4;
destination += 2;
}
}
template <GraphicsContextGL::DataFormat Format>
struct IsInt8Format {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA8_S
|| Format == GraphicsContextGL::DataFormat::RGB8_S
|| Format == GraphicsContextGL::DataFormat::RG8_S
|| Format == GraphicsContextGL::DataFormat::R8_S;
};
template <GraphicsContextGL::DataFormat Format>
struct IsInt16Format {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA16_S
|| Format == GraphicsContextGL::DataFormat::RGB16_S
|| Format == GraphicsContextGL::DataFormat::RG16_S
|| Format == GraphicsContextGL::DataFormat::R16_S;
};
template <GraphicsContextGL::DataFormat Format>
struct IsInt32Format {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA32_S
|| Format == GraphicsContextGL::DataFormat::RGB32_S
|| Format == GraphicsContextGL::DataFormat::RG32_S
|| Format == GraphicsContextGL::DataFormat::R32_S;
};
template <GraphicsContextGL::DataFormat Format>
struct IsUInt8Format {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA8
|| Format == GraphicsContextGL::DataFormat::RGB8
|| Format == GraphicsContextGL::DataFormat::RG8
|| Format == GraphicsContextGL::DataFormat::R8
|| Format == GraphicsContextGL::DataFormat::BGRA8
|| Format == GraphicsContextGL::DataFormat::BGR8
|| Format == GraphicsContextGL::DataFormat::ARGB8
|| Format == GraphicsContextGL::DataFormat::ABGR8
|| Format == GraphicsContextGL::DataFormat::RA8
|| Format == GraphicsContextGL::DataFormat::AR8
|| Format == GraphicsContextGL::DataFormat::A8;
};
template <GraphicsContextGL::DataFormat Format>
struct IsUInt16Format {
static const bool Value = Format == GraphicsContextGL::DataFormat::RGBA16
|| Format == GraphicsContextGL::DataFormat::RGB16
|| Format == GraphicsContextGL::DataFormat::RG16
|| Format == GraphicsContextGL::DataFormat::R16;
};
template <GraphicsContextGL::DataFormat Format>
struct IsUInt32Format {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA32
|| Format == GraphicsContextGL::DataFormat::RGB32
|| Format == GraphicsContextGL::DataFormat::RG32
|| Format == GraphicsContextGL::DataFormat::R32;
};
template<GraphicsContextGL::DataFormat Format>
struct IsFloatFormat {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA32F
|| Format == GraphicsContextGL::DataFormat::RGB32F
|| Format == GraphicsContextGL::DataFormat::RA32F
|| Format == GraphicsContextGL::DataFormat::R32F
|| Format == GraphicsContextGL::DataFormat::A32F
|| Format == GraphicsContextGL::DataFormat::RG32F;
};
template<GraphicsContextGL::DataFormat Format>
struct IsHalfFloatFormat {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA16F
|| Format == GraphicsContextGL::DataFormat::RGB16F
|| Format == GraphicsContextGL::DataFormat::RA16F
|| Format == GraphicsContextGL::DataFormat::R16F
|| Format == GraphicsContextGL::DataFormat::A16F
|| Format == GraphicsContextGL::DataFormat::RG16F;
};
template<GraphicsContextGL::DataFormat Format>
struct Is32bppFormat {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA2_10_10_10
|| Format == GraphicsContextGL::DataFormat::RGB5999
|| Format == GraphicsContextGL::DataFormat::RGB10F11F11F;
};
template<GraphicsContextGL::DataFormat Format>
struct Is16bppFormat {
static const bool Value =
Format == GraphicsContextGL::DataFormat::RGBA5551
|| Format == GraphicsContextGL::DataFormat::RGBA4444
|| Format == GraphicsContextGL::DataFormat::RGB565;
};
template<GraphicsContextGL::DataFormat Format,
bool IsInt8Format = IsInt8Format<Format>::Value,
bool IsUInt8Format = IsUInt8Format<Format>::Value,
bool IsInt16Format = IsInt16Format<Format>::Value,
bool IsUInt16Format = IsUInt16Format<Format>::Value,
bool IsInt32Format = IsInt32Format<Format>::Value,
bool IsUInt32Format = IsUInt32Format<Format>::Value,
bool IsFloat = IsFloatFormat<Format>::Value,
bool IsHalfFloat = IsHalfFloatFormat<Format>::Value,
bool Is16bpp = Is16bppFormat<Format>::Value,
bool Is32bpp = Is32bppFormat<Format>::Value>
struct DataTypeForFormat {
typedef double Type; };
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
true,
false,
false,
false,
false,
false,
false,
false,
false,
false> {
typedef int8_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
true,
false,
false,
false,
false,
false,
false,
false,
false> {
typedef uint8_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
true,
false,
false,
false,
false,
false,
false,
false> {
typedef int16_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
true,
false,
false,
false,
false,
false,
false> {
typedef uint16_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
false,
true,
false,
false,
false,
false,
false> {
typedef int32_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
false,
false,
true,
false,
false,
false,
false> {
typedef uint32_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
false,
false,
false,
true,
false,
false,
false> {
typedef float Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
false,
false,
false,
false,
true,
false,
false> {
typedef uint16_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
false,
false,
false,
false,
false,
true,
false> {
typedef uint16_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct DataTypeForFormat<Format,
false,
false,
false,
false,
false,
false,
false,
false,
false,
true> {
typedef uint32_t Type;
};
template <GraphicsContextGL::DataFormat Format>
struct UsesFloatIntermediateFormat {
static const bool Value =
IsFloatFormat<Format>::Value || IsHalfFloatFormat<Format>::Value
|| Format == GraphicsContextGL::DataFormat::RGBA2_10_10_10
|| Format == GraphicsContextGL::DataFormat::RGB10F11F11F
|| Format == GraphicsContextGL::DataFormat::RGB5999;
};
template <GraphicsContextGL::DataFormat Format>
struct IntermediateFormat {
static const GraphicsContextGL::DataFormat Value =
UsesFloatIntermediateFormat<Format>::Value
? GraphicsContextGL::DataFormat::RGBA32F
: IsInt32Format<Format>::Value
? GraphicsContextGL::DataFormat::RGBA32_S
: IsUInt32Format<Format>::Value
? GraphicsContextGL::DataFormat::RGBA32
: IsInt16Format<Format>::Value
? GraphicsContextGL::DataFormat::RGBA16_S
: (IsUInt16Format<Format>::Value || Is32bppFormat<Format>::Value)
? GraphicsContextGL::DataFormat::RGBA16
: IsInt8Format<Format>::Value
? GraphicsContextGL::DataFormat::RGBA8_S
: GraphicsContextGL::DataFormat::RGBA8;
};
void FormatConverter::convert(GraphicsContextGL::DataFormat srcFormat, GraphicsContextGL::DataFormat dstFormat, GraphicsContextGL::AlphaOp alphaOp)
{
#define FORMATCONVERTER_CASE_SRCFORMAT(SrcFormat) \
case SrcFormat: \
return convert<SrcFormat>(dstFormat, alphaOp);
switch (srcFormat) {
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RA8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RA32F)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGBA8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::ARGB8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::ABGR8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::AR8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::BGRA8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGBA5551)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGBA4444)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGBA32F)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGBA2_10_10_10)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::R8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::A8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::R32F)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::A32F)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGB8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::BGR8)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGB565)
FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContextGL::DataFormat::RGB32F)
default:
ASSERT_NOT_REACHED();
}
#undef FORMATCONVERTER_CASE_SRCFORMAT
}
template<GraphicsContextGL::DataFormat SrcFormat>
ALWAYS_INLINE void FormatConverter::convert(GraphicsContextGL::DataFormat dstFormat, GraphicsContextGL::AlphaOp alphaOp)
{
#define FORMATCONVERTER_CASE_DSTFORMAT(DstFormat) \
case DstFormat: \
return convert<SrcFormat, DstFormat>(alphaOp);
switch (dstFormat) {
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::R8)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::R16F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::R32F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::A8)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::A16F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::A32F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RA8)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RA16F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RA32F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGB8)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGB565)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGB16F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGB32F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA8)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA5551)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA4444)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA16F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA32F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA8_S)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA16)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA16_S)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA32)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA32_S)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RGBA2_10_10_10)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RG8)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RG16F)
FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContextGL::DataFormat::RG32F)
default:
ASSERT_NOT_REACHED();
}
#undef FORMATCONVERTER_CASE_DSTFORMAT
}
template<GraphicsContextGL::DataFormat SrcFormat, GraphicsContextGL::DataFormat DstFormat>
ALWAYS_INLINE void FormatConverter::convert(GraphicsContextGL::AlphaOp alphaOp)
{
#define FORMATCONVERTER_CASE_ALPHAOP(alphaOp) \
case alphaOp: \
return convert<SrcFormat, DstFormat, alphaOp>();
switch (alphaOp) {
FORMATCONVERTER_CASE_ALPHAOP(GraphicsContextGL::AlphaOp::DoNothing)
FORMATCONVERTER_CASE_ALPHAOP(GraphicsContextGL::AlphaOp::DoPremultiply)
FORMATCONVERTER_CASE_ALPHAOP(GraphicsContextGL::AlphaOp::DoUnmultiply)
default:
ASSERT_NOT_REACHED();
}
#undef FORMATCONVERTER_CASE_ALPHAOP
}
template <GraphicsContextGL::DataFormat Format>
struct SupportsConversionFromDomElements {
static const bool Value = (Format == GraphicsContextGL::DataFormat::RGBA8
|| Format == GraphicsContextGL::DataFormat::RGB8
|| Format == GraphicsContextGL::DataFormat::RG8
|| Format == GraphicsContextGL::DataFormat::RA8
|| Format == GraphicsContextGL::DataFormat::R8
|| Format == GraphicsContextGL::DataFormat::RGBA32F
|| Format == GraphicsContextGL::DataFormat::RGB32F
|| Format == GraphicsContextGL::DataFormat::RG32F
|| Format == GraphicsContextGL::DataFormat::RA32F
|| Format == GraphicsContextGL::DataFormat::R32F
|| Format == GraphicsContextGL::DataFormat::RGBA16F
|| Format == GraphicsContextGL::DataFormat::RGB16F
|| Format == GraphicsContextGL::DataFormat::RG16F
|| Format == GraphicsContextGL::DataFormat::RA16F
|| Format == GraphicsContextGL::DataFormat::R16F
|| Format == GraphicsContextGL::DataFormat::RGBA5551
|| Format == GraphicsContextGL::DataFormat::RGBA4444
|| Format == GraphicsContextGL::DataFormat::RGB565
|| Format == GraphicsContextGL::DataFormat::RGBA2_10_10_10);
};
template<GraphicsContextGL::DataFormat SrcFormat, GraphicsContextGL::DataFormat DstFormat, GraphicsContextGL::AlphaOp alphaOp>
ALWAYS_INLINE_EXCEPT_MSVC void FormatConverter::convert()
{
if (SrcFormat == DstFormat && alphaOp == GraphicsContextGL::AlphaOp::DoNothing) {
ASSERT_NOT_REACHED();
return;
}
if (!IsFloatFormat<DstFormat>::Value && IsFloatFormat<SrcFormat>::Value) {
ASSERT_NOT_REACHED();
return;
}
const bool srcFormatComesFromDOMElementOrImageData = GraphicsContextGLOpenGL::srcFormatComesFromDOMElementOrImageData(SrcFormat);
if (!srcFormatComesFromDOMElementOrImageData && SrcFormat != DstFormat) {
ASSERT_NOT_REACHED();
return;
}
if (!srcFormatComesFromDOMElementOrImageData && alphaOp == GraphicsContextGL::AlphaOp::DoUnmultiply) {
ASSERT_NOT_REACHED();
return;
}
if (srcFormatComesFromDOMElementOrImageData && alphaOp == GraphicsContextGL::AlphaOp::DoUnmultiply && !SupportsConversionFromDomElements<DstFormat>::Value) {
ASSERT_NOT_REACHED();
return;
}
if ((!GraphicsContextGLOpenGL::hasAlpha(SrcFormat) || !GraphicsContextGLOpenGL::hasColor(SrcFormat) || !GraphicsContextGLOpenGL::hasColor(DstFormat)) && alphaOp != GraphicsContextGL::AlphaOp::DoNothing) {
ASSERT_NOT_REACHED();
return;
}
if (srcFormatComesFromDOMElementOrImageData && SrcFormat != DstFormat
&& (DstFormat == GraphicsContextGL::DataFormat::RGB5999 || DstFormat == GraphicsContextGL::DataFormat::RGB10F11F11F)) {
ASSERT_NOT_REACHED();
return;
}
typedef typename DataTypeForFormat<SrcFormat>::Type SrcType;
typedef typename DataTypeForFormat<DstFormat>::Type DstType;
const GraphicsContextGL::DataFormat IntermediateSrcFormat = IntermediateFormat<DstFormat>::Value;
typedef typename DataTypeForFormat<IntermediateSrcFormat>::Type IntermediateSrcType;
const ptrdiff_t srcStrideInElements = m_srcStride / sizeof(SrcType);
const ptrdiff_t dstStrideInElements = m_dstStride / sizeof(DstType);
const bool trivialUnpack = SrcFormat == IntermediateSrcFormat;
const bool trivialPack = DstFormat == IntermediateSrcFormat && alphaOp == GraphicsContextGL::AlphaOp::DoNothing;
ASSERT(!trivialUnpack || !trivialPack);
const SrcType* srcRowStart =
static_cast<const SrcType*>(static_cast<const void*>(
static_cast<const uint8_t*>(m_srcStart) +
((m_srcStride * m_srcSubRectangle.y()) + m_srcRowOffset)));
if (m_dstStride < 0 && m_depth > 1)
srcRowStart -= (m_depth - 1) * srcStrideInElements * m_unpackImageHeight;
DstType* dstRowStart = static_cast<DstType*>(m_dstStart);
if (trivialUnpack) {
for (int d = 0; d < m_depth; ++d) {
for (int i = 0; i < m_srcSubRectangle.height(); ++i) {
pack<DstFormat, alphaOp>(srcRowStart, dstRowStart,
m_srcSubRectangle.width());
srcRowStart += srcStrideInElements;
dstRowStart += dstStrideInElements;
}
srcRowStart += srcStrideInElements * (m_unpackImageHeight - m_srcSubRectangle.height());
}
} else if (trivialPack) {
for (int d = 0; d < m_depth; ++d) {
for (int i = 0; i < m_srcSubRectangle.height(); ++i) {
unpack<SrcFormat>(srcRowStart, dstRowStart,
m_srcSubRectangle.width());
srcRowStart += srcStrideInElements;
dstRowStart += dstStrideInElements;
}
srcRowStart += srcStrideInElements * (m_unpackImageHeight - m_srcSubRectangle.height());
}
} else {
for (int d = 0; d < m_depth; ++d) {
for (int i = 0; i < m_srcSubRectangle.height(); ++i) {
unpack<SrcFormat>(srcRowStart,
reinterpret_cast<IntermediateSrcType*>(m_unpackedIntermediateSrcData.get()),
m_srcSubRectangle.width());
pack<DstFormat, alphaOp>(reinterpret_cast<IntermediateSrcType*>(m_unpackedIntermediateSrcData.get()),
dstRowStart, m_srcSubRectangle.width());
srcRowStart += srcStrideInElements;
dstRowStart += dstStrideInElements;
}
srcRowStart += srcStrideInElements * (m_unpackImageHeight - m_srcSubRectangle.height());
}
}
m_success = true;
}
}
#endif // ENABLE(GRAPHICS_CONTEXT_GL)