| /* |
| * Copyright (C) 2010 Apple Inc. All rights reserved. |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2010 Mozilla Corporation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(GRAPHICS_CONTEXT_3D) |
| |
| #include "FormatConverter.h" |
| |
| #if HAVE(ARM_NEON_INTRINSICS) |
| #include "GraphicsContext3DNEON.h" |
| #endif |
| |
| #if USE(ACCELERATE) |
| #include <Accelerate/Accelerate.h> |
| #endif |
| |
| namespace WebCore { |
| |
| |
| // Following Float to Half-Float converion code is from the implementation of ftp://www.fox-toolkit.org/pub/fasthalffloatconversion.pdf, |
| // "Fast Half Float Conversions" by Jeroen van der Zijp, November 2008 (Revised September 2010). |
| // Specially, the basetable[512] and shifttable[512] are generated as follows: |
| /* |
| unsigned short basetable[512]; |
| unsigned char shifttable[512]; |
| |
| void generatetables(){ |
| unsigned int i; |
| int e; |
| for (i = 0; i < 256; ++i){ |
| e = i - 127; |
| if (e < -24){ // Very small numbers map to zero |
| basetable[i | 0x000] = 0x0000; |
| basetable[i | 0x100] = 0x8000; |
| shifttable[i | 0x000] = 24; |
| shifttable[i | 0x100] = 24; |
| } |
| else if (e < -14) { // Small numbers map to denorms |
| basetable[i | 0x000] = (0x0400>>(-e-14)); |
| basetable[i | 0x100] = (0x0400>>(-e-14)) | 0x8000; |
| shifttable[i | 0x000] = -e-1; |
| shifttable[i | 0x100] = -e-1; |
| } |
| else if (e <= 15){ // Normal numbers just lose precision |
| basetable[i | 0x000] = ((e+15)<<10); |
| basetable[i| 0x100] = ((e+15)<<10) | 0x8000; |
| shifttable[i|0x000] = 13; |
| shifttable[i|0x100] = 13; |
| } |
| else if (e<128){ // Large numbers map to Infinity |
| basetable[i|0x000] = 0x7C00; |
| basetable[i|0x100] = 0xFC00; |
| shifttable[i|0x000] = 24; |
| shifttable[i|0x100] = 24; |
| } |
| else { // Infinity and NaN's stay Infinity and NaN's |
| basetable[i|0x000] = 0x7C00; |
| basetable[i|0x100] = 0xFC00; |
| shifttable[i|0x000] = 13; |
| shifttable[i|0x100] = 13; |
| } |
| } |
| } |
| */ |
| |
| 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]); |
| } |
| |
| /* BEGIN CODE SHARED WITH MOZILLA FIREFOX */ |
| |
| // The following packing and unpacking routines are expressed in terms of function templates and inline functions to achieve generality and speedup. |
| // Explicit template specializations correspond to the cases that would occur. |
| // Some code are merged back from Mozilla code in http://mxr.mozilla.org/mozilla-central/source/content/canvas/src/WebGLTexelConversions.h |
| |
| //---------------------------------------------------------------------- |
| // Pixel unpacking routines. |
| template<int format, typename SourceType, typename DstType> |
| ALWAYS_INLINE void unpack(const SourceType*, DstType*, unsigned) |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| template<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatRGB8, 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[1]; |
| destination[2] = source[2]; |
| destination[3] = 0xFF; |
| source += 3; |
| destination += 4; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatBGR8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatARGB8, 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<GraphicsContext3D::DataFormatABGR8, 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<GraphicsContext3D::DataFormatBGRA8, 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<GraphicsContext3D::DataFormatRGBA5551, 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<GraphicsContext3D::DataFormatRGBA4444, 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<GraphicsContext3D::DataFormatRGB565, 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 int 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<GraphicsContext3D::DataFormatR8, 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] = 0xFF; |
| source += 1; |
| destination += 4; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatRA8, 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<GraphicsContext3D::DataFormatAR8, 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<GraphicsContext3D::DataFormatA8, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGBA8, 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<GraphicsContext3D::DataFormatBGRA8, 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<GraphicsContext3D::DataFormatABGR8, 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<GraphicsContext3D::DataFormatARGB8, 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<GraphicsContext3D::DataFormatRGB8, 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[0] * scaleFactor; |
| destination[1] = source[1] * scaleFactor; |
| destination[2] = source[2] * scaleFactor; |
| destination[3] = 1; |
| source += 3; |
| destination += 4; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatBGR8, 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[2] * scaleFactor; |
| destination[1] = source[1] * scaleFactor; |
| destination[2] = source[0] * scaleFactor; |
| destination[3] = 1; |
| source += 3; |
| destination += 4; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatRGB32F, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatR32F, float, float>(const float* source, float* 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] = 1; |
| source += 1; |
| destination += 4; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void unpack<GraphicsContext3D::DataFormatRA32F, float, float>(const float* source, float* 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<GraphicsContext3D::DataFormatA32F, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int i = 0; i < pixelsPerRow; ++i) { |
| destination[0] = 0; |
| destination[1] = 0; |
| destination[2] = 0; |
| destination[3] = source[0]; |
| source += 1; |
| destination += 4; |
| } |
| } |
| |
| //---------------------------------------------------------------------- |
| // Pixel packing routines. |
| // |
| |
| template<int format, int alphaOp, typename SourceType, typename DstType> |
| ALWAYS_INLINE void pack(const SourceType*, DstType*, unsigned) |
| { |
| ASSERT_NOT_REACHED(); |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatA8, GraphicsContext3D::AlphaDoNothing, 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]; |
| source += 4; |
| destination += 1; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatR8, GraphicsContext3D::AlphaDoNothing, 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]; |
| source += 4; |
| destination += 1; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatR8, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatR8, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRA8, GraphicsContext3D::AlphaDoNothing, 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[3]; |
| source += 4; |
| destination += 2; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRA8, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRA8, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGB8, GraphicsContext3D::AlphaDoNothing, 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[1]; |
| destination[2] = source[2]; |
| source += 4; |
| destination += 3; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGB8, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGB8, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGBA8, GraphicsContext3D::AlphaDoNothing, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| memcpy(destination, source, pixelsPerRow * 4); |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGBA8, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGBA8, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint8_t>(const uint8_t* source, uint8_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGBA4444, GraphicsContext3D::AlphaDoNothing, 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 int 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<GraphicsContext3D::DataFormatRGBA4444, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGBA4444, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGBA5551, GraphicsContext3D::AlphaDoNothing, 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 int 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<GraphicsContext3D::DataFormatRGBA5551, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGBA5551, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGB565, GraphicsContext3D::AlphaDoNothing, 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 int 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<GraphicsContext3D::DataFormatRGB565, GraphicsContext3D::AlphaDoPremultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // FIXME: this routine is lossy and must be removed. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGB565, GraphicsContext3D::AlphaDoUnmultiply, uint8_t, uint16_t>(const uint8_t* source, uint16_t* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGB32F, GraphicsContext3D::AlphaDoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGB32F, GraphicsContext3D::AlphaDoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGB32F, GraphicsContext3D::AlphaDoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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; |
| } |
| } |
| |
| // Used only during RGBA8 or BGRA8 -> floating-point uploads. |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGBA32F, GraphicsContext3D::AlphaDoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| memcpy(destination, source, pixelsPerRow * 4 * sizeof(float)); |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRGBA32F, GraphicsContext3D::AlphaDoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGBA32F, GraphicsContext3D::AlphaDoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatA32F, GraphicsContext3D::AlphaDoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int i = 0; i < pixelsPerRow; ++i) { |
| destination[0] = source[3]; |
| source += 4; |
| destination += 1; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatR32F, GraphicsContext3D::AlphaDoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int i = 0; i < pixelsPerRow; ++i) { |
| destination[0] = source[0]; |
| source += 4; |
| destination += 1; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatR32F, GraphicsContext3D::AlphaDoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int i = 0; i < pixelsPerRow; ++i) { |
| float scaleFactor = source[3]; |
| destination[0] = source[0] * scaleFactor; |
| source += 4; |
| destination += 1; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatR32F, GraphicsContext3D::AlphaDoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRA32F, GraphicsContext3D::AlphaDoNothing, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int i = 0; i < pixelsPerRow; ++i) { |
| destination[0] = source[0]; |
| destination[1] = source[3]; |
| source += 4; |
| destination += 2; |
| } |
| } |
| |
| template<> ALWAYS_INLINE void pack<GraphicsContext3D::DataFormatRA32F, GraphicsContext3D::AlphaDoPremultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRA32F, GraphicsContext3D::AlphaDoUnmultiply, float, float>(const float* source, float* destination, unsigned pixelsPerRow) |
| { |
| for (unsigned int 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<GraphicsContext3D::DataFormatRGBA16F, GraphicsContext3D::AlphaDoNothing, 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<GraphicsContext3D::DataFormatRGBA16F, GraphicsContext3D::AlphaDoPremultiply, 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<GraphicsContext3D::DataFormatRGBA16F, GraphicsContext3D::AlphaDoUnmultiply, 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<GraphicsContext3D::DataFormatRGB16F, GraphicsContext3D::AlphaDoNothing, 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<GraphicsContext3D::DataFormatRGB16F, GraphicsContext3D::AlphaDoPremultiply, 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<GraphicsContext3D::DataFormatRGB16F, GraphicsContext3D::AlphaDoUnmultiply, 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<GraphicsContext3D::DataFormatRA16F, GraphicsContext3D::AlphaDoNothing, 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<GraphicsContext3D::DataFormatRA16F, GraphicsContext3D::AlphaDoPremultiply, 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<GraphicsContext3D::DataFormatRA16F, GraphicsContext3D::AlphaDoUnmultiply, 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<GraphicsContext3D::DataFormatR16F, GraphicsContext3D::AlphaDoNothing, 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<GraphicsContext3D::DataFormatR16F, GraphicsContext3D::AlphaDoPremultiply, 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<GraphicsContext3D::DataFormatR16F, GraphicsContext3D::AlphaDoUnmultiply, 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<GraphicsContext3D::DataFormatA16F, GraphicsContext3D::AlphaDoNothing, 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<int Format> |
| struct IsFloatFormat { |
| static const bool Value = |
| Format == GraphicsContext3D::DataFormatRGBA32F |
| || Format == GraphicsContext3D::DataFormatRGB32F |
| || Format == GraphicsContext3D::DataFormatRA32F |
| || Format == GraphicsContext3D::DataFormatR32F |
| || Format == GraphicsContext3D::DataFormatA32F; |
| }; |
| |
| template<int Format> |
| struct IsHalfFloatFormat { |
| static const bool Value = |
| Format == GraphicsContext3D::DataFormatRGBA16F |
| || Format == GraphicsContext3D::DataFormatRGB16F |
| || Format == GraphicsContext3D::DataFormatRA16F |
| || Format == GraphicsContext3D::DataFormatR16F |
| || Format == GraphicsContext3D::DataFormatA16F; |
| }; |
| |
| template<int Format> |
| struct Is16bppFormat { |
| static const bool Value = |
| Format == GraphicsContext3D::DataFormatRGBA5551 |
| || Format == GraphicsContext3D::DataFormatRGBA4444 |
| || Format == GraphicsContext3D::DataFormatRGB565; |
| }; |
| |
| template<int Format, bool IsFloat = IsFloatFormat<Format>::Value, bool IsHalfFloat = IsHalfFloatFormat<Format>::Value, bool Is16bpp = Is16bppFormat<Format>::Value> |
| struct DataTypeForFormat { |
| typedef uint8_t Type; |
| }; |
| |
| template<int Format> |
| struct DataTypeForFormat<Format, true, false, false> { |
| typedef float Type; |
| }; |
| |
| template<int Format> |
| struct DataTypeForFormat<Format, false, true, false> { |
| typedef uint16_t Type; |
| }; |
| |
| template<int Format> |
| struct DataTypeForFormat<Format, false, false, true> { |
| typedef uint16_t Type; |
| }; |
| |
| template<int Format> |
| struct IntermediateFormat { |
| static const int Value = (IsFloatFormat<Format>::Value || IsHalfFloatFormat<Format>::Value) ? GraphicsContext3D::DataFormatRGBA32F : GraphicsContext3D::DataFormatRGBA8; |
| }; |
| |
| |
| /* END CODE SHARED WITH MOZILLA FIREFOX */ |
| |
| void FormatConverter::convert(GraphicsContext3D::DataFormat srcFormat, GraphicsContext3D::DataFormat dstFormat, GraphicsContext3D::AlphaOp alphaOp) |
| { |
| #define FORMATCONVERTER_CASE_SRCFORMAT(SrcFormat) \ |
| case SrcFormat: \ |
| return convert<SrcFormat>(dstFormat, alphaOp); |
| |
| switch (srcFormat) { |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatR8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatA8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatR32F) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatA32F) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRA8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRA32F) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGB8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatBGR8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGB565) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGB32F) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGBA8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatARGB8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatABGR8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatAR8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatBGRA8) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGBA5551) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGBA4444) |
| FORMATCONVERTER_CASE_SRCFORMAT(GraphicsContext3D::DataFormatRGBA32F) |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| #undef FORMATCONVERTER_CASE_SRCFORMAT |
| } |
| |
| template<GraphicsContext3D::DataFormat SrcFormat> |
| ALWAYS_INLINE void FormatConverter::convert(GraphicsContext3D::DataFormat dstFormat, GraphicsContext3D::AlphaOp alphaOp) |
| { |
| #define FORMATCONVERTER_CASE_DSTFORMAT(DstFormat) \ |
| case DstFormat: \ |
| return convert<SrcFormat, DstFormat>(alphaOp); |
| |
| switch (dstFormat) { |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatR8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatR16F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatR32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatA8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatA16F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatA32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRA8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRA16F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRA32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB565) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB16F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA5551) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA4444) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA16F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA32F) |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| |
| #undef FORMATCONVERTER_CASE_DSTFORMAT |
| } |
| |
| template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat> |
| ALWAYS_INLINE void FormatConverter::convert(GraphicsContext3D::AlphaOp alphaOp) |
| { |
| #define FORMATCONVERTER_CASE_ALPHAOP(alphaOp) \ |
| case alphaOp: \ |
| return convert<SrcFormat, DstFormat, alphaOp>(); |
| |
| switch (alphaOp) { |
| FORMATCONVERTER_CASE_ALPHAOP(GraphicsContext3D::AlphaDoNothing) |
| FORMATCONVERTER_CASE_ALPHAOP(GraphicsContext3D::AlphaDoPremultiply) |
| FORMATCONVERTER_CASE_ALPHAOP(GraphicsContext3D::AlphaDoUnmultiply) |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| #undef FORMATCONVERTER_CASE_ALPHAOP |
| } |
| |
| // Visual Studio crashes with a C1063 Fatal Error if everything is inlined. |
| template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat, GraphicsContext3D::AlphaOp alphaOp> |
| ALWAYS_INLINE_EXCEPT_MSVC void FormatConverter::convert() |
| { |
| // Many instantiations of this template function will never be entered, so we try |
| // to return immediately in these cases to avoid the compiler to generate useless code. |
| if (SrcFormat == DstFormat && alphaOp == GraphicsContext3D::AlphaDoNothing) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| if (!IsFloatFormat<DstFormat>::Value && IsFloatFormat<SrcFormat>::Value) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| |
| // Only textures uploaded from DOM elements or ImageData can allow DstFormat != SrcFormat. |
| const bool srcFormatComesFromDOMElementOrImageData = GraphicsContext3D::srcFormatComesFromDOMElementOrImageData(SrcFormat); |
| if (!srcFormatComesFromDOMElementOrImageData && SrcFormat != DstFormat) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| // Likewise, only textures uploaded from DOM elements or ImageData can possibly have to be unpremultiplied. |
| if (!srcFormatComesFromDOMElementOrImageData && alphaOp == GraphicsContext3D::AlphaDoUnmultiply) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| if ((!GraphicsContext3D::hasAlpha(SrcFormat) || !GraphicsContext3D::hasColor(SrcFormat) || !GraphicsContext3D::hasColor(DstFormat)) && alphaOp != GraphicsContext3D::AlphaDoNothing) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| |
| typedef typename DataTypeForFormat<SrcFormat>::Type SrcType; |
| typedef typename DataTypeForFormat<DstFormat>::Type DstType; |
| const int 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 == GraphicsContext3D::DataFormatRGBA8 && !IsFloatFormat<DstFormat>::Value && !IsHalfFloatFormat<DstFormat>::Value) || SrcFormat == GraphicsContext3D::DataFormatRGBA32F; |
| const bool trivialPack = (DstFormat == GraphicsContext3D::DataFormatRGBA8 || DstFormat == GraphicsContext3D::DataFormatRGBA32F) && alphaOp == GraphicsContext3D::AlphaDoNothing && m_dstStride > 0; |
| ASSERT(!trivialUnpack || !trivialPack); |
| |
| const SrcType *srcRowStart = static_cast<const SrcType*>(m_srcStart); |
| DstType* dstRowStart = static_cast<DstType*>(m_dstStart); |
| |
| m_success = true; |
| |
| if (!trivialUnpack && trivialPack) { |
| for (size_t i = 0; i < m_height; ++i) { |
| unpack<SrcFormat>(srcRowStart, dstRowStart, m_width); |
| srcRowStart += srcStrideInElements; |
| dstRowStart += dstStrideInElements; |
| } |
| } else if (!trivialUnpack && !trivialPack) { |
| for (size_t i = 0; i < m_height; ++i) { |
| unpack<SrcFormat>(srcRowStart, reinterpret_cast_ptr<IntermediateSrcType*>(m_unpackedIntermediateSrcData.get()), m_width); |
| pack<DstFormat, alphaOp>(reinterpret_cast_ptr<IntermediateSrcType*>(m_unpackedIntermediateSrcData.get()), dstRowStart, m_width); |
| srcRowStart += srcStrideInElements; |
| dstRowStart += dstStrideInElements; |
| } |
| } else { |
| #if USE(ACCELERATE) |
| if (SrcFormat == GraphicsContext3D::DataFormatRGBA8 |
| && DstFormat == GraphicsContext3D::DataFormatRGBA8 |
| && alphaOp == GraphicsContext3D::AlphaDoUnmultiply) { |
| vImage_Buffer src; |
| src.width = m_width; |
| src.height = m_height; |
| src.rowBytes = m_srcStride; |
| src.data = const_cast<void*>(m_srcStart); |
| |
| vImage_Buffer dst; |
| dst.width = m_width; |
| dst.height = m_height; |
| dst.rowBytes = m_dstStride; |
| dst.data = m_dstStart; |
| |
| vImageUnpremultiplyData_RGBA8888(&src, &dst, kvImageNoFlags); |
| |
| return; |
| } |
| #endif |
| for (size_t i = 0; i < m_height; ++i) { |
| pack<DstFormat, alphaOp>(srcRowStart, dstRowStart, m_width); |
| srcRowStart += srcStrideInElements; |
| dstRowStart += dstStrideInElements; |
| } |
| } |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(GRAPHICS_CONTEXT_3D) |
