| /* |
| * 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 COMPUTER, 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 COMPUTER, 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 USE(3D_GRAPHICS) |
| |
| #include "GraphicsContext3D.h" |
| |
| #include "Extensions3D.h" |
| #include "Image.h" |
| #include "ImageData.h" |
| #include "ImageObserver.h" |
| |
| #if HAVE(ARM_NEON_INTRINSICS) |
| #include "GraphicsContext3DNEON.h" |
| #endif |
| |
| #include <runtime/ArrayBufferView.h> |
| #include <wtf/OwnArrayPtr.h> |
| #include <wtf/PassOwnArrayPtr.h> |
| |
| namespace WebCore { |
| |
| namespace { |
| |
| GraphicsContext3D::DataFormat getDataFormat(GC3Denum destinationFormat, GC3Denum destinationType) |
| { |
| GraphicsContext3D::DataFormat dstFormat = GraphicsContext3D::DataFormatRGBA8; |
| switch (destinationType) { |
| case GraphicsContext3D::UNSIGNED_BYTE: |
| switch (destinationFormat) { |
| case GraphicsContext3D::RGB: |
| dstFormat = GraphicsContext3D::DataFormatRGB8; |
| break; |
| case GraphicsContext3D::RGBA: |
| dstFormat = GraphicsContext3D::DataFormatRGBA8; |
| break; |
| case GraphicsContext3D::ALPHA: |
| dstFormat = GraphicsContext3D::DataFormatA8; |
| break; |
| case GraphicsContext3D::LUMINANCE: |
| dstFormat = GraphicsContext3D::DataFormatR8; |
| break; |
| case GraphicsContext3D::LUMINANCE_ALPHA: |
| dstFormat = GraphicsContext3D::DataFormatRA8; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| break; |
| case GraphicsContext3D::UNSIGNED_SHORT_4_4_4_4: |
| dstFormat = GraphicsContext3D::DataFormatRGBA4444; |
| break; |
| case GraphicsContext3D::UNSIGNED_SHORT_5_5_5_1: |
| dstFormat = GraphicsContext3D::DataFormatRGBA5551; |
| break; |
| case GraphicsContext3D::UNSIGNED_SHORT_5_6_5: |
| dstFormat = GraphicsContext3D::DataFormatRGB565; |
| break; |
| case GraphicsContext3D::FLOAT: // OES_texture_float |
| switch (destinationFormat) { |
| case GraphicsContext3D::RGB: |
| dstFormat = GraphicsContext3D::DataFormatRGB32F; |
| break; |
| case GraphicsContext3D::RGBA: |
| dstFormat = GraphicsContext3D::DataFormatRGBA32F; |
| break; |
| case GraphicsContext3D::ALPHA: |
| dstFormat = GraphicsContext3D::DataFormatA32F; |
| break; |
| case GraphicsContext3D::LUMINANCE: |
| dstFormat = GraphicsContext3D::DataFormatR32F; |
| break; |
| case GraphicsContext3D::LUMINANCE_ALPHA: |
| dstFormat = GraphicsContext3D::DataFormatRA32F; |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| return dstFormat; |
| } |
| |
| } // anonymous namespace |
| |
| bool GraphicsContext3D::texImage2DResourceSafe(GC3Denum target, GC3Dint level, GC3Denum internalformat, GC3Dsizei width, GC3Dsizei height, GC3Dint border, GC3Denum format, GC3Denum type, GC3Dint unpackAlignment) |
| { |
| ASSERT(unpackAlignment == 1 || unpackAlignment == 2 || unpackAlignment == 4 || unpackAlignment == 8); |
| OwnArrayPtr<unsigned char> zero; |
| if (!isResourceSafe() && width > 0 && height > 0) { |
| unsigned int size; |
| GC3Denum error = computeImageSizeInBytes(format, type, width, height, unpackAlignment, &size, 0); |
| if (error != GraphicsContext3D::NO_ERROR) { |
| synthesizeGLError(error); |
| return false; |
| } |
| zero = adoptArrayPtr(new unsigned char[size]); |
| if (!zero) { |
| synthesizeGLError(GraphicsContext3D::INVALID_VALUE); |
| return false; |
| } |
| memset(zero.get(), 0, size); |
| } |
| return texImage2D(target, level, internalformat, width, height, border, format, type, zero.get()); |
| } |
| |
| bool GraphicsContext3D::computeFormatAndTypeParameters(GC3Denum format, |
| GC3Denum type, |
| unsigned int* componentsPerPixel, |
| unsigned int* bytesPerComponent) |
| { |
| switch (format) { |
| case GraphicsContext3D::ALPHA: |
| case GraphicsContext3D::LUMINANCE: |
| case GraphicsContext3D::DEPTH_COMPONENT: |
| case GraphicsContext3D::DEPTH_STENCIL: |
| *componentsPerPixel = 1; |
| break; |
| case GraphicsContext3D::LUMINANCE_ALPHA: |
| *componentsPerPixel = 2; |
| break; |
| case GraphicsContext3D::RGB: |
| *componentsPerPixel = 3; |
| break; |
| case GraphicsContext3D::RGBA: |
| case Extensions3D::BGRA_EXT: // GL_EXT_texture_format_BGRA8888 |
| *componentsPerPixel = 4; |
| break; |
| default: |
| return false; |
| } |
| switch (type) { |
| case GraphicsContext3D::UNSIGNED_BYTE: |
| *bytesPerComponent = sizeof(GC3Dubyte); |
| break; |
| case GraphicsContext3D::UNSIGNED_SHORT: |
| *bytesPerComponent = sizeof(GC3Dushort); |
| break; |
| case GraphicsContext3D::UNSIGNED_SHORT_5_6_5: |
| case GraphicsContext3D::UNSIGNED_SHORT_4_4_4_4: |
| case GraphicsContext3D::UNSIGNED_SHORT_5_5_5_1: |
| *componentsPerPixel = 1; |
| *bytesPerComponent = sizeof(GC3Dushort); |
| break; |
| case GraphicsContext3D::UNSIGNED_INT_24_8: |
| case GraphicsContext3D::UNSIGNED_INT: |
| *bytesPerComponent = sizeof(GC3Duint); |
| break; |
| case GraphicsContext3D::FLOAT: // OES_texture_float |
| *bytesPerComponent = sizeof(GC3Dfloat); |
| break; |
| case GraphicsContext3D::HALF_FLOAT_OES: // OES_texture_half_float |
| *bytesPerComponent = sizeof(GC3Dhalffloat); |
| break; |
| default: |
| return false; |
| } |
| return true; |
| } |
| |
| GC3Denum GraphicsContext3D::computeImageSizeInBytes(GC3Denum format, GC3Denum type, GC3Dsizei width, GC3Dsizei height, GC3Dint alignment, |
| unsigned int* imageSizeInBytes, unsigned int* paddingInBytes) |
| { |
| ASSERT(imageSizeInBytes); |
| ASSERT(alignment == 1 || alignment == 2 || alignment == 4 || alignment == 8); |
| if (width < 0 || height < 0) |
| return GraphicsContext3D::INVALID_VALUE; |
| unsigned int bytesPerComponent, componentsPerPixel; |
| if (!computeFormatAndTypeParameters(format, type, &bytesPerComponent, &componentsPerPixel)) |
| return GraphicsContext3D::INVALID_ENUM; |
| if (!width || !height) { |
| *imageSizeInBytes = 0; |
| if (paddingInBytes) |
| *paddingInBytes = 0; |
| return GraphicsContext3D::NO_ERROR; |
| } |
| Checked<uint32_t, RecordOverflow> checkedValue = bytesPerComponent * componentsPerPixel; |
| checkedValue *= width; |
| if (checkedValue.hasOverflowed()) |
| return GraphicsContext3D::INVALID_VALUE; |
| unsigned int validRowSize = checkedValue.unsafeGet(); |
| unsigned int padding = 0; |
| unsigned int residual = validRowSize % alignment; |
| if (residual) { |
| padding = alignment - residual; |
| checkedValue += padding; |
| } |
| // Last row needs no padding. |
| checkedValue *= (height - 1); |
| checkedValue += validRowSize; |
| if (checkedValue.hasOverflowed()) |
| return GraphicsContext3D::INVALID_VALUE; |
| *imageSizeInBytes = checkedValue.unsafeGet(); |
| if (paddingInBytes) |
| *paddingInBytes = padding; |
| return GraphicsContext3D::NO_ERROR; |
| } |
| |
| GraphicsContext3D::ImageExtractor::ImageExtractor(Image* image, ImageHtmlDomSource imageHtmlDomSource, bool premultiplyAlpha, bool ignoreGammaAndColorProfile) |
| { |
| m_image = image; |
| m_imageHtmlDomSource = imageHtmlDomSource; |
| m_extractSucceeded = extractImage(premultiplyAlpha, ignoreGammaAndColorProfile); |
| } |
| |
| bool GraphicsContext3D::packImageData( |
| Image* image, |
| const void* pixels, |
| GC3Denum format, |
| GC3Denum type, |
| bool flipY, |
| AlphaOp alphaOp, |
| DataFormat sourceFormat, |
| unsigned width, |
| unsigned height, |
| unsigned sourceUnpackAlignment, |
| Vector<uint8_t>& data) |
| { |
| if (!pixels) |
| return false; |
| |
| unsigned packedSize; |
| // Output data is tightly packed (alignment == 1). |
| if (computeImageSizeInBytes(format, type, width, height, 1, &packedSize, 0) != GraphicsContext3D::NO_ERROR) |
| return false; |
| data.resize(packedSize); |
| |
| if (!packPixels(reinterpret_cast<const uint8_t*>(pixels), sourceFormat, width, height, sourceUnpackAlignment, format, type, alphaOp, data.data(), flipY)) |
| return false; |
| if (ImageObserver *observer = image->imageObserver()) |
| observer->didDraw(image); |
| return true; |
| } |
| |
| bool GraphicsContext3D::extractImageData(ImageData* imageData, |
| GC3Denum format, |
| GC3Denum type, |
| bool flipY, |
| bool premultiplyAlpha, |
| Vector<uint8_t>& data) |
| { |
| if (!imageData) |
| return false; |
| int width = imageData->width(); |
| int height = imageData->height(); |
| |
| unsigned int packedSize; |
| // Output data is tightly packed (alignment == 1). |
| if (computeImageSizeInBytes(format, type, width, height, 1, &packedSize, 0) != GraphicsContext3D::NO_ERROR) |
| return false; |
| data.resize(packedSize); |
| |
| if (!packPixels(imageData->data()->data(), DataFormatRGBA8, width, height, 0, format, type, premultiplyAlpha ? AlphaDoPremultiply : AlphaDoNothing, data.data(), flipY)) |
| return false; |
| |
| return true; |
| } |
| |
| bool GraphicsContext3D::extractTextureData(unsigned int width, unsigned int height, |
| GC3Denum format, GC3Denum type, |
| unsigned int unpackAlignment, |
| bool flipY, bool premultiplyAlpha, |
| const void* pixels, |
| Vector<uint8_t>& data) |
| { |
| // Assumes format, type, etc. have already been validated. |
| DataFormat sourceDataFormat = getDataFormat(format, type); |
| |
| // Resize the output buffer. |
| unsigned int componentsPerPixel, bytesPerComponent; |
| if (!computeFormatAndTypeParameters(format, type, |
| &componentsPerPixel, |
| &bytesPerComponent)) |
| return false; |
| unsigned int bytesPerPixel = componentsPerPixel * bytesPerComponent; |
| data.resize(width * height * bytesPerPixel); |
| |
| if (!packPixels(static_cast<const uint8_t*>(pixels), sourceDataFormat, width, height, unpackAlignment, format, type, (premultiplyAlpha ? AlphaDoPremultiply : AlphaDoNothing), data.data(), flipY)) |
| return false; |
| |
| return true; |
| } |
| |
| namespace { |
| |
| /* 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; |
| } |
| } |
| |
| ALWAYS_INLINE bool HasAlpha(int format) |
| { |
| return format == GraphicsContext3D::DataFormatA8 |
| || format == GraphicsContext3D::DataFormatA32F |
| || format == GraphicsContext3D::DataFormatRA8 |
| || format == GraphicsContext3D::DataFormatAR8 |
| || format == GraphicsContext3D::DataFormatRA32F |
| || format == GraphicsContext3D::DataFormatRGBA8 |
| || format == GraphicsContext3D::DataFormatBGRA8 |
| || format == GraphicsContext3D::DataFormatARGB8 |
| || format == GraphicsContext3D::DataFormatABGR8 |
| || format == GraphicsContext3D::DataFormatRGBA32F |
| || format == GraphicsContext3D::DataFormatRGBA4444 |
| || format == GraphicsContext3D::DataFormatRGBA5551; |
| } |
| |
| ALWAYS_INLINE bool HasColor(int format) |
| { |
| return format == GraphicsContext3D::DataFormatRGBA8 |
| || format == GraphicsContext3D::DataFormatRGBA32F |
| || format == GraphicsContext3D::DataFormatRGB8 |
| || format == GraphicsContext3D::DataFormatRGB32F |
| || format == GraphicsContext3D::DataFormatBGR8 |
| || format == GraphicsContext3D::DataFormatBGRA8 |
| || format == GraphicsContext3D::DataFormatARGB8 |
| || format == GraphicsContext3D::DataFormatABGR8 |
| || format == GraphicsContext3D::DataFormatRGBA5551 |
| || format == GraphicsContext3D::DataFormatRGBA4444 |
| || format == GraphicsContext3D::DataFormatRGB565 |
| || format == GraphicsContext3D::DataFormatR8 |
| || format == GraphicsContext3D::DataFormatR32F |
| || format == GraphicsContext3D::DataFormatRA8 |
| || format == GraphicsContext3D::DataFormatRA32F |
| || format == GraphicsContext3D::DataFormatAR8; |
| } |
| |
| 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 Is16bppFormat { |
| static const bool Value = |
| Format == GraphicsContext3D::DataFormatRGBA5551 |
| || Format == GraphicsContext3D::DataFormatRGBA4444 |
| || Format == GraphicsContext3D::DataFormatRGB565; |
| }; |
| |
| template<int Format, bool IsFloat = IsFloatFormat<Format>::Value, bool Is16bpp = Is16bppFormat<Format>::Value> |
| struct DataTypeForFormat { |
| typedef uint8_t Type; |
| }; |
| |
| template<int Format> |
| struct DataTypeForFormat<Format, true, false> { |
| typedef float Type; |
| }; |
| |
| template<int Format> |
| struct DataTypeForFormat<Format, false, true> { |
| typedef uint16_t Type; |
| }; |
| |
| template<int Format> |
| struct IntermediateFormat { |
| static const int Value = IsFloatFormat<Format>::Value ? GraphicsContext3D::DataFormatRGBA32F : GraphicsContext3D::DataFormatRGBA8; |
| }; |
| |
| ALWAYS_INLINE unsigned TexelBytesForFormat(GraphicsContext3D::DataFormat format) |
| { |
| switch (format) { |
| case GraphicsContext3D::DataFormatR8: |
| case GraphicsContext3D::DataFormatA8: |
| return 1; |
| case GraphicsContext3D::DataFormatRA8: |
| case GraphicsContext3D::DataFormatAR8: |
| case GraphicsContext3D::DataFormatRGBA5551: |
| case GraphicsContext3D::DataFormatRGBA4444: |
| case GraphicsContext3D::DataFormatRGB565: |
| return 2; |
| case GraphicsContext3D::DataFormatRGB8: |
| case GraphicsContext3D::DataFormatBGR8: |
| return 3; |
| case GraphicsContext3D::DataFormatRGBA8: |
| case GraphicsContext3D::DataFormatARGB8: |
| case GraphicsContext3D::DataFormatABGR8: |
| case GraphicsContext3D::DataFormatBGRA8: |
| case GraphicsContext3D::DataFormatR32F: |
| case GraphicsContext3D::DataFormatA32F: |
| return 4; |
| case GraphicsContext3D::DataFormatRA32F: |
| return 8; |
| case GraphicsContext3D::DataFormatRGB32F: |
| return 12; |
| case GraphicsContext3D::DataFormatRGBA32F: |
| return 16; |
| default: |
| return 0; |
| } |
| } |
| |
| /* END CODE SHARED WITH MOZILLA FIREFOX */ |
| |
| class FormatConverter { |
| public: |
| FormatConverter(unsigned width, unsigned height, |
| const void* srcStart, void* dstStart, int srcStride, int dstStride) |
| : m_width(width), m_height(height), m_srcStart(srcStart), m_dstStart(dstStart), m_srcStride(srcStride), m_dstStride(dstStride), m_success(false) |
| { |
| const unsigned MaxNumberOfComponents = 4; |
| const unsigned MaxBytesPerComponent = 4; |
| m_unpackedIntermediateSrcData = adoptArrayPtr(new uint8_t[m_width * MaxNumberOfComponents *MaxBytesPerComponent]); |
| ASSERT(m_unpackedIntermediateSrcData.get()); |
| } |
| |
| void convert(GraphicsContext3D::DataFormat srcFormat, GraphicsContext3D::DataFormat dstFormat, GraphicsContext3D::AlphaOp); |
| bool Success() const { return m_success; } |
| |
| private: |
| template<GraphicsContext3D::DataFormat SrcFormat> |
| ALWAYS_INLINE void convert(GraphicsContext3D::DataFormat dstFormat, GraphicsContext3D::AlphaOp); |
| |
| template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat> |
| ALWAYS_INLINE void convert(GraphicsContext3D::AlphaOp); |
| |
| template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat, GraphicsContext3D::AlphaOp alphaOp> |
| ALWAYS_INLINE void convert(); |
| |
| const unsigned m_width, m_height; |
| const void* const m_srcStart; |
| void* const m_dstStart; |
| const int m_srcStride, m_dstStride; |
| bool m_success; |
| OwnArrayPtr<uint8_t> m_unpackedIntermediateSrcData; |
| }; |
| |
| 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::DataFormatA8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatR32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatA32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRA8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRA32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB565) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGB32F) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA8) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA5551) |
| FORMATCONVERTER_CASE_DSTFORMAT(GraphicsContext3D::DataFormatRGBA4444) |
| 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 |
| } |
| |
| template<GraphicsContext3D::DataFormat SrcFormat, GraphicsContext3D::DataFormat DstFormat, GraphicsContext3D::AlphaOp alphaOp> |
| ALWAYS_INLINE 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::srcFormatComeFromDOMElementOrImageData(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 ((!HasAlpha(SrcFormat) || !HasColor(SrcFormat) || !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) || 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); |
| 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 { |
| for (size_t i = 0; i < m_height; ++i) { |
| pack<DstFormat, alphaOp>(srcRowStart, dstRowStart, m_width); |
| srcRowStart += srcStrideInElements; |
| dstRowStart += dstStrideInElements; |
| } |
| } |
| m_success = true; |
| return; |
| } |
| |
| } // anonymous namespace |
| |
| bool GraphicsContext3D::packPixels(const uint8_t* sourceData, DataFormat sourceDataFormat, unsigned width, unsigned height, unsigned sourceUnpackAlignment, unsigned destinationFormat, unsigned destinationType, AlphaOp alphaOp, void* destinationData, bool flipY) |
| { |
| int validSrc = width * TexelBytesForFormat(sourceDataFormat); |
| int remainder = sourceUnpackAlignment ? (validSrc % sourceUnpackAlignment) : 0; |
| int srcStride = remainder ? (validSrc + sourceUnpackAlignment - remainder) : validSrc; |
| |
| DataFormat dstDataFormat = getDataFormat(destinationFormat, destinationType); |
| int dstStride = width * TexelBytesForFormat(dstDataFormat); |
| if (flipY) { |
| destinationData = static_cast<uint8_t*>(destinationData) + dstStride*(height - 1); |
| dstStride = -dstStride; |
| } |
| if (!HasAlpha(sourceDataFormat) || !HasColor(sourceDataFormat) || !HasColor(dstDataFormat)) |
| alphaOp = AlphaDoNothing; |
| |
| if (sourceDataFormat == dstDataFormat && alphaOp == AlphaDoNothing) { |
| const uint8_t* ptr = sourceData; |
| const uint8_t* ptrEnd = sourceData + srcStride * height; |
| unsigned rowSize = (dstStride > 0) ? dstStride: -dstStride; |
| uint8_t* dst = static_cast<uint8_t*>(destinationData); |
| while (ptr < ptrEnd) { |
| memcpy(dst, ptr, rowSize); |
| ptr += srcStride; |
| dst += dstStride; |
| } |
| return true; |
| } |
| |
| FormatConverter converter(width, height, sourceData, destinationData, srcStride, dstStride); |
| converter.convert(sourceDataFormat, dstDataFormat, alphaOp); |
| if (!converter.Success()) |
| return false; |
| return true; |
| } |
| |
| unsigned GraphicsContext3D::getClearBitsByAttachmentType(GC3Denum attachment) |
| { |
| switch (attachment) { |
| case GraphicsContext3D::COLOR_ATTACHMENT0: |
| case Extensions3D::COLOR_ATTACHMENT1_EXT: |
| case Extensions3D::COLOR_ATTACHMENT2_EXT: |
| case Extensions3D::COLOR_ATTACHMENT3_EXT: |
| case Extensions3D::COLOR_ATTACHMENT4_EXT: |
| case Extensions3D::COLOR_ATTACHMENT5_EXT: |
| case Extensions3D::COLOR_ATTACHMENT6_EXT: |
| case Extensions3D::COLOR_ATTACHMENT7_EXT: |
| case Extensions3D::COLOR_ATTACHMENT8_EXT: |
| case Extensions3D::COLOR_ATTACHMENT9_EXT: |
| case Extensions3D::COLOR_ATTACHMENT10_EXT: |
| case Extensions3D::COLOR_ATTACHMENT11_EXT: |
| case Extensions3D::COLOR_ATTACHMENT12_EXT: |
| case Extensions3D::COLOR_ATTACHMENT13_EXT: |
| case Extensions3D::COLOR_ATTACHMENT14_EXT: |
| case Extensions3D::COLOR_ATTACHMENT15_EXT: |
| return GraphicsContext3D::COLOR_BUFFER_BIT; |
| case GraphicsContext3D::DEPTH_ATTACHMENT: |
| return GraphicsContext3D::DEPTH_BUFFER_BIT; |
| case GraphicsContext3D::STENCIL_ATTACHMENT: |
| return GraphicsContext3D::STENCIL_BUFFER_BIT; |
| case GraphicsContext3D::DEPTH_STENCIL_ATTACHMENT: |
| return GraphicsContext3D::DEPTH_BUFFER_BIT | GraphicsContext3D::STENCIL_BUFFER_BIT; |
| default: |
| return 0; |
| } |
| } |
| |
| unsigned GraphicsContext3D::getClearBitsByFormat(GC3Denum format) |
| { |
| switch (format) { |
| case GraphicsContext3D::ALPHA: |
| case GraphicsContext3D::LUMINANCE: |
| case GraphicsContext3D::LUMINANCE_ALPHA: |
| case GraphicsContext3D::RGB: |
| case GraphicsContext3D::RGB565: |
| case GraphicsContext3D::RGBA: |
| case GraphicsContext3D::RGBA4: |
| case GraphicsContext3D::RGB5_A1: |
| return GraphicsContext3D::COLOR_BUFFER_BIT; |
| case GraphicsContext3D::DEPTH_COMPONENT16: |
| case GraphicsContext3D::DEPTH_COMPONENT: |
| return GraphicsContext3D::DEPTH_BUFFER_BIT; |
| case GraphicsContext3D::STENCIL_INDEX8: |
| return GraphicsContext3D::STENCIL_BUFFER_BIT; |
| case GraphicsContext3D::DEPTH_STENCIL: |
| return GraphicsContext3D::DEPTH_BUFFER_BIT | GraphicsContext3D::STENCIL_BUFFER_BIT; |
| default: |
| return 0; |
| } |
| } |
| |
| unsigned GraphicsContext3D::getChannelBitsByFormat(GC3Denum format) |
| { |
| switch (format) { |
| case GraphicsContext3D::ALPHA: |
| return ChannelAlpha; |
| case GraphicsContext3D::LUMINANCE: |
| return ChannelRGB; |
| case GraphicsContext3D::LUMINANCE_ALPHA: |
| return ChannelRGBA; |
| case GraphicsContext3D::RGB: |
| case GraphicsContext3D::RGB565: |
| return ChannelRGB; |
| case GraphicsContext3D::RGBA: |
| case GraphicsContext3D::RGBA4: |
| case GraphicsContext3D::RGB5_A1: |
| return ChannelRGBA; |
| case GraphicsContext3D::DEPTH_COMPONENT16: |
| case GraphicsContext3D::DEPTH_COMPONENT: |
| return ChannelDepth; |
| case GraphicsContext3D::STENCIL_INDEX8: |
| return ChannelStencil; |
| case GraphicsContext3D::DEPTH_STENCIL: |
| return ChannelDepth | ChannelStencil; |
| default: |
| return 0; |
| } |
| } |
| |
| #if !PLATFORM(BLACKBERRY) && !PLATFORM(QT) && !PLATFORM(GTK) && !PLATFORM(EFL) && !PLATFORM(MAC) && !PLATFORM(WIN) |
| PlatformGraphicsContext3D GraphicsContext3D::platformGraphicsContext3D() const |
| { |
| return NullPlatformGraphicsContext3D; |
| } |
| |
| Platform3DObject GraphicsContext3D::platformTexture() const |
| { |
| return NullPlatform3DObject; |
| } |
| |
| #if USE(ACCELERATED_COMPOSITING) |
| PlatformLayer* GraphicsContext3D::platformLayer() const |
| { |
| return 0; |
| } |
| #endif |
| #endif |
| |
| } // namespace WebCore |
| |
| #endif // USE(3D_GRAPHICS) |
