+++ /dev/null
-/*
- * Copyright (C) 2011 University of Szeged
- * Copyright (C) 2011 Zoltan Herczeg
- *
- * 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 UNIVERSITY OF SZEGED ``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 UNIVERSITY OF SZEGED 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"
-#include "FEGaussianBlurNEON.h"
-
-#if CPU(ARM_NEON) && CPU(ARM_TRADITIONAL) && COMPILER(GCC)
-
-#include <wtf/Alignment.h>
-
-namespace WebCore {
-
-static WTF_ALIGNED(unsigned char, s_FEGaussianBlurConstantsForNeon[], 16) = {
- // Mapping from NEON to ARM registers.
- 0, 4, 8, 12, 16, 16, 16, 16
-};
-
-unsigned char* feGaussianBlurConstantsForNeon()
-{
- return s_FEGaussianBlurConstantsForNeon;
-}
-
-#define ASSTRING(str) #str
-#define TOSTRING(value) ASSTRING(value)
-
-#define STRIDE_OFFSET TOSTRING(0)
-#define STRIDE_WIDTH_OFFSET TOSTRING(4)
-#define STRIDE_LINE_OFFSET TOSTRING(8)
-#define STRIDE_LINE_WIDTH_OFFSET TOSTRING(12)
-#define REMAINING_STRIDES_OFFSET TOSTRING(16)
-#define DISTANCE_LEFT_OFFSET TOSTRING(20)
-#define DISTANCE_RIGHT_OFFSET TOSTRING(24)
-#define INVERTED_KERNEL_SIZE_OFFSET TOSTRING(28)
-#define PAINTING_CONSTANTS_OFFSET TOSTRING(32)
-#define NL "\n"
-
-// Register allocation.
-#define SOURCE_R "r0"
-#define DESTINATION_R "r1"
-#define LEFT_R "r2"
-#define RIGHT_R "r3"
-#define SOURCE_END_R "r4"
-#define DESTINATION_END_R "r5"
-#define STRIDE_R "r6"
-#define STRIDE_WIDTH_R "r7"
-#define STRIDE_LINE_R "r8"
-#define SOURCE_LINE_END_R "r10"
-#define DISTANCE_LEFT_R "r11"
-#define DISTANCE_RIGHT_R "r12"
-#define MAX_KERNEL_SIZE_R "lr"
-
-// Alternate names.
-#define INIT_INVERTED_KERNEL_SIZE_R SOURCE_END_R
-#define INIT_PAINTING_CONSTANTS_R DESTINATION_END_R
-#define INIT_SUM_R LEFT_R
-#define REMAINING_STRIDES_R SOURCE_LINE_END_R
-
-#define INVERTED_KERNEL_SIZE_Q "q0"
-#define SUM_Q "q1"
-#define PIXEL_Q "q2"
-#define PIXEL_D0 "d4"
-#define PIXEL_D1 "d5"
-#define PIXEL_D00 "d4[0]"
-#define PIXEL_D01 "d4[1]"
-#define PIXEL_S1 "s9"
-#define PIXEL_D10 "d5[0]"
-#define PIXEL_S2 "s10"
-#define PIXEL_D11 "d5[1]"
-#define REMAINING_STRIDES_S0 "s12"
-
-#define REMAP_NEON_ARM_Q "d16"
-
-asm ( // NOLINT
-".globl " TOSTRING(neonDrawAllChannelGaussianBlur) NL
-TOSTRING(neonDrawAllChannelGaussianBlur) ":" NL
- "stmdb sp!, {r4-r8, r10, r11, lr}" NL
- "ldr " STRIDE_R ", [r2, #" STRIDE_OFFSET "]" NL
- "ldr " STRIDE_WIDTH_R ", [r2, #" STRIDE_WIDTH_OFFSET "]" NL
- "ldr " DISTANCE_LEFT_R ", [r2, #" DISTANCE_LEFT_OFFSET "]" NL
- "ldr " DISTANCE_RIGHT_R ", [r2, #" DISTANCE_RIGHT_OFFSET "]" NL
- "ldr " STRIDE_LINE_R ", [r2, #" STRIDE_LINE_OFFSET "]" NL
- "ldr " SOURCE_LINE_END_R ", [r2, #" STRIDE_LINE_WIDTH_OFFSET "]" NL
- "ldr " INIT_INVERTED_KERNEL_SIZE_R ", [r2, #" INVERTED_KERNEL_SIZE_OFFSET "]" NL
- "ldr " INIT_PAINTING_CONSTANTS_R ", [r2, #" PAINTING_CONSTANTS_OFFSET "]" NL
-
- // Initialize locals.
- "mul " DISTANCE_LEFT_R ", " DISTANCE_LEFT_R ", " STRIDE_R NL
- "mul " DISTANCE_RIGHT_R ", " DISTANCE_RIGHT_R ", " STRIDE_R NL
- "mov " MAX_KERNEL_SIZE_R ", " DISTANCE_RIGHT_R NL
- "cmp " MAX_KERNEL_SIZE_R ", " STRIDE_WIDTH_R NL
- "movcs " MAX_KERNEL_SIZE_R ", " STRIDE_WIDTH_R NL
- "add " SOURCE_LINE_END_R ", " SOURCE_LINE_END_R ", " SOURCE_R NL
- "vdup.f32 " INVERTED_KERNEL_SIZE_Q ", " INIT_INVERTED_KERNEL_SIZE_R NL
- "vld1.f32 { " REMAP_NEON_ARM_Q " }, [" INIT_PAINTING_CONSTANTS_R "]!" NL
-
-".allChannelMainLoop:" NL
-
- // Initialize the sum variable.
- "vmov.u32 " SUM_Q ", #0" NL
- "mov " INIT_SUM_R ", " SOURCE_R NL
- "add " SOURCE_END_R ", " SOURCE_R ", " MAX_KERNEL_SIZE_R NL
- "cmp " INIT_SUM_R ", " SOURCE_END_R NL
- "bcs .allChannelInitSumDone" NL
-".allChannelInitSum:" NL
- "vld1.u32 " PIXEL_D00 ", [" INIT_SUM_R "], " STRIDE_R NL
- "vmovl.u8 " PIXEL_Q ", " PIXEL_D0 NL
- "vmovl.u16 " PIXEL_Q ", " PIXEL_D0 NL
- "vadd.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
- "cmp " INIT_SUM_R ", " SOURCE_END_R NL
- "bcc .allChannelInitSum" NL
-".allChannelInitSumDone:" NL
-
- // Blurring.
- "add " SOURCE_END_R ", " SOURCE_R ", " STRIDE_WIDTH_R NL
- "add " DESTINATION_END_R ", " DESTINATION_R ", " STRIDE_WIDTH_R NL
- "sub " LEFT_R ", " SOURCE_R ", " DISTANCE_LEFT_R NL
- "add " RIGHT_R ", " SOURCE_R ", " DISTANCE_RIGHT_R NL
-
-".allChannelBlur:" NL
- "vcvt.f32.u32 " PIXEL_Q ", " SUM_Q NL
- "vmul.f32 " PIXEL_Q ", " PIXEL_Q ", " INVERTED_KERNEL_SIZE_Q NL
- "vcvt.u32.f32 " PIXEL_Q ", " PIXEL_Q NL
- "vtbl.8 " PIXEL_D0 ", {" PIXEL_D0 "-" PIXEL_D1 "}, " REMAP_NEON_ARM_Q NL
- "vst1.u32 " PIXEL_D00 ", [" DESTINATION_R "], " STRIDE_R NL
-
- "cmp " LEFT_R ", " SOURCE_R NL
- "bcc .allChannelSkipLeft" NL
- "vld1.u32 " PIXEL_D00 ", [" LEFT_R "]" NL
- "vmovl.u8 " PIXEL_Q ", " PIXEL_D0 NL
- "vmovl.u16 " PIXEL_Q ", " PIXEL_D0 NL
- "vsub.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
-".allChannelSkipLeft: " NL
-
- "cmp " RIGHT_R ", " SOURCE_END_R NL
- "bcs .allChannelSkipRight" NL
- "vld1.u32 " PIXEL_D00 ", [" RIGHT_R "]" NL
- "vmovl.u8 " PIXEL_Q ", " PIXEL_D0 NL
- "vmovl.u16 " PIXEL_Q ", " PIXEL_D0 NL
- "vadd.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
-".allChannelSkipRight: " NL
-
- "add " LEFT_R ", " LEFT_R ", " STRIDE_R NL
- "add " RIGHT_R ", " RIGHT_R ", " STRIDE_R NL
- "cmp " DESTINATION_R ", " DESTINATION_END_R NL
- "bcc .allChannelBlur" NL
- "sub " DESTINATION_R ", " DESTINATION_R ", " STRIDE_WIDTH_R NL
-
- "add " SOURCE_R ", " SOURCE_R ", " STRIDE_LINE_R NL
- "add " DESTINATION_R ", " DESTINATION_R ", " STRIDE_LINE_R NL
- "cmp " SOURCE_R ", " SOURCE_LINE_END_R NL
- "bcc .allChannelMainLoop" NL
-
- "ldmia sp!, {r4-r8, r10, r11, pc}" NL
-); // NOLINT
-
-#define DATA_TRANSFER4(command, base) \
- command " " PIXEL_D00 ", [" base "], " STRIDE_LINE_R NL \
- command " " PIXEL_D01 ", [" base "], " STRIDE_LINE_R NL \
- command " " PIXEL_D10 ", [" base "], " STRIDE_LINE_R NL \
- command " " PIXEL_D11 ", [" base "], " STRIDE_LINE_R NL \
- "sub " base ", " base ", " STRIDE_LINE_R ", lsl #2" NL
-
-// The number of reads depend on REMAINING_STRIDES_R, but it is always >= 1 and <= 3
-#define CONDITIONAL_DATA_TRANSFER4(command1, command2, base) \
- command1 " " PIXEL_D00 ", [" base "], " STRIDE_LINE_R NL \
- "cmp " REMAINING_STRIDES_R ", #2" NL \
- command2 "cs " PIXEL_S1 ", [" base "]" NL \
- "add " base ", " base ", " STRIDE_LINE_R NL \
- "cmp " REMAINING_STRIDES_R ", #3" NL \
- command2 "cs " PIXEL_S2 ", [" base "]" NL \
- "sub " base ", " base ", " STRIDE_LINE_R ", lsl #1" NL
-
-asm ( // NOLINT
-".globl " TOSTRING(neonDrawAlphaChannelGaussianBlur) NL
-TOSTRING(neonDrawAlphaChannelGaussianBlur) ":" NL
- "stmdb sp!, {r4-r8, r10, r11, lr}" NL
- "ldr " STRIDE_R ", [r2, #" STRIDE_OFFSET "]" NL
- "ldr " STRIDE_WIDTH_R ", [r2, #" STRIDE_WIDTH_OFFSET "]" NL
- "ldr " DISTANCE_LEFT_R ", [r2, #" DISTANCE_LEFT_OFFSET "]" NL
- "ldr " DISTANCE_RIGHT_R ", [r2, #" DISTANCE_RIGHT_OFFSET "]" NL
- "ldr " STRIDE_LINE_R ", [r2, #" STRIDE_LINE_OFFSET "]" NL
- "ldr " SOURCE_LINE_END_R ", [r2, #" STRIDE_LINE_WIDTH_OFFSET "]" NL
- "ldr " INIT_INVERTED_KERNEL_SIZE_R ", [r2, #" INVERTED_KERNEL_SIZE_OFFSET "]" NL
- "vldr.u32 " REMAINING_STRIDES_S0 ", [r2, #" REMAINING_STRIDES_OFFSET "]" NL
-
- // Initialize locals.
- "mul " DISTANCE_LEFT_R ", " DISTANCE_LEFT_R ", " STRIDE_R NL
- "mul " DISTANCE_RIGHT_R ", " DISTANCE_RIGHT_R ", " STRIDE_R NL
- "mov " MAX_KERNEL_SIZE_R ", " DISTANCE_RIGHT_R NL
- "cmp " MAX_KERNEL_SIZE_R ", " STRIDE_WIDTH_R NL
- "movcs " MAX_KERNEL_SIZE_R ", " STRIDE_WIDTH_R NL
- "add " SOURCE_LINE_END_R ", " SOURCE_LINE_END_R ", " SOURCE_R NL
- "vdup.f32 " INVERTED_KERNEL_SIZE_Q ", " INIT_INVERTED_KERNEL_SIZE_R NL
- "cmp " SOURCE_LINE_END_R ", " SOURCE_R NL
- "beq .alphaChannelEarlyLeave" NL
-
- // Processing 4 strides parallelly.
-
-".alphaChannelMainLoop:" NL
-
- // Initialize the sum variable.
- "vmov.u32 " SUM_Q ", #0" NL
- "mov " INIT_SUM_R ", " SOURCE_R NL
- "add " SOURCE_END_R ", " SOURCE_R ", " MAX_KERNEL_SIZE_R NL
- "cmp " INIT_SUM_R ", " SOURCE_END_R NL
- "bcs .alphaChannelInitSumDone" NL
-".alphaChannelInitSum:" NL
- DATA_TRANSFER4("vld1.u32", INIT_SUM_R)
- "vshr.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- "vadd.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
- "add " INIT_SUM_R ", " INIT_SUM_R ", " STRIDE_R NL
- "cmp " INIT_SUM_R ", " SOURCE_END_R NL
- "bcc .alphaChannelInitSum" NL
-".alphaChannelInitSumDone:" NL
-
- // Blurring.
- "add " SOURCE_END_R ", " SOURCE_R ", " STRIDE_WIDTH_R NL
- "add " DESTINATION_END_R ", " DESTINATION_R ", " STRIDE_WIDTH_R NL
- "sub " LEFT_R ", " SOURCE_R ", " DISTANCE_LEFT_R NL
- "add " RIGHT_R ", " SOURCE_R ", " DISTANCE_RIGHT_R NL
-
-".alphaChannelBlur:" NL
- "vcvt.f32.u32 " PIXEL_Q ", " SUM_Q NL
- "vmul.f32 " PIXEL_Q ", " PIXEL_Q ", " INVERTED_KERNEL_SIZE_Q NL
- "vcvt.u32.f32 " PIXEL_Q ", " PIXEL_Q NL
- "vshl.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- DATA_TRANSFER4("vst1.u32", DESTINATION_R)
-
- "cmp " LEFT_R ", " SOURCE_R NL
- "bcc .alphaChannelSkipLeft" NL
- DATA_TRANSFER4("vld1.u32", LEFT_R)
- "vshr.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- "vsub.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
-".alphaChannelSkipLeft: " NL
-
- "cmp " RIGHT_R ", " SOURCE_END_R NL
- "bcs .alphaChannelSkipRight" NL
- DATA_TRANSFER4("vld1.u32", RIGHT_R)
- "vshr.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- "vadd.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
-".alphaChannelSkipRight: " NL
-
- "add " DESTINATION_R ", " DESTINATION_R ", " STRIDE_R NL
- "add " LEFT_R ", " LEFT_R ", " STRIDE_R NL
- "add " RIGHT_R ", " RIGHT_R ", " STRIDE_R NL
- "cmp " DESTINATION_R ", " DESTINATION_END_R NL
- "bcc .alphaChannelBlur" NL
- "sub " DESTINATION_R ", " DESTINATION_R ", " STRIDE_WIDTH_R NL
-
- "add " SOURCE_R ", " SOURCE_R ", " STRIDE_LINE_R ", lsl #2" NL
- "add " DESTINATION_R ", " DESTINATION_R ", " STRIDE_LINE_R ", lsl #2" NL
- "cmp " SOURCE_R ", " SOURCE_LINE_END_R NL
- "bcc .alphaChannelMainLoop" NL
-
- // Processing the remaining strides (0 - 3).
-".alphaChannelEarlyLeave:" NL
- "vmov.u32 " REMAINING_STRIDES_R ", " REMAINING_STRIDES_S0 NL
- // Early return for 0 strides.
- "cmp " REMAINING_STRIDES_R ", #0" NL
- "ldmeqia sp!, {r4-r8, r10, r11, pc}" NL
-
- // Initialize the sum variable.
- "vmov.u32 " SUM_Q ", #0" NL
- "mov " INIT_SUM_R ", " SOURCE_R NL
- "add " SOURCE_END_R ", " SOURCE_R ", " MAX_KERNEL_SIZE_R NL
- "cmp " INIT_SUM_R ", " SOURCE_END_R NL
- "bcs .alphaChannelSecondInitSumDone" NL
-".alphaChannelSecondInitSum:" NL
- CONDITIONAL_DATA_TRANSFER4("vld1.u32", "vldr", INIT_SUM_R)
- "vshr.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- "vadd.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
- "add " INIT_SUM_R ", " INIT_SUM_R ", " STRIDE_R NL
- "cmp " INIT_SUM_R ", " SOURCE_END_R NL
- "bcc .alphaChannelSecondInitSum" NL
-".alphaChannelSecondInitSumDone:" NL
-
- // Blurring.
- "add " SOURCE_END_R ", " SOURCE_R ", " STRIDE_WIDTH_R NL
- "add " DESTINATION_END_R ", " DESTINATION_R ", " STRIDE_WIDTH_R NL
- "sub " LEFT_R ", " SOURCE_R ", " DISTANCE_LEFT_R NL
- "add " RIGHT_R ", " SOURCE_R ", " DISTANCE_RIGHT_R NL
-
-".alphaChannelSecondBlur:" NL
- "vcvt.f32.u32 " PIXEL_Q ", " SUM_Q NL
- "vmul.f32 " PIXEL_Q ", " PIXEL_Q ", " INVERTED_KERNEL_SIZE_Q NL
- "vcvt.u32.f32 " PIXEL_Q ", " PIXEL_Q NL
- "vshl.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- CONDITIONAL_DATA_TRANSFER4("vst1.u32", "vstr", DESTINATION_R)
-
- "cmp " LEFT_R ", " SOURCE_R NL
- "bcc .alphaChannelSecondSkipLeft" NL
- CONDITIONAL_DATA_TRANSFER4("vld1.u32", "vldr", LEFT_R)
- "vshr.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- "vsub.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
-".alphaChannelSecondSkipLeft: " NL
-
- "cmp " RIGHT_R ", " SOURCE_END_R NL
- "bcs .alphaChannelSecondSkipRight" NL
- CONDITIONAL_DATA_TRANSFER4("vld1.u32", "vldr", RIGHT_R)
- "vshr.u32 " PIXEL_Q ", " PIXEL_Q ", #24" NL
- "vadd.u32 " SUM_Q ", " SUM_Q ", " PIXEL_Q NL
-".alphaChannelSecondSkipRight: " NL
-
- "add " DESTINATION_R ", " DESTINATION_R ", " STRIDE_R NL
- "add " LEFT_R ", " LEFT_R ", " STRIDE_R NL
- "add " RIGHT_R ", " RIGHT_R ", " STRIDE_R NL
- "cmp " DESTINATION_R ", " DESTINATION_END_R NL
- "bcc .alphaChannelSecondBlur" NL
-
- "ldmia sp!, {r4-r8, r10, r11, pc}" NL
-); // NOLINT
-
-} // namespace WebCore
-
-#endif // CPU(ARM_NEON) && COMPILER(GCC)
#include <wtf/Platform.h>
-#if CPU(ARM_NEON) && CPU(ARM_TRADITIONAL) && COMPILER(GCC)
+#if CPU(ARM_NEON) && COMPILER(GCC)
#include "FEGaussianBlur.h"
+#include "NEONHelpers.h"
namespace WebCore {
-struct FEGaussianBlurPaintingDataForNeon {
- int stride;
- int strideWidth;
- int strideLine;
- int strideLineWidth;
- int remainingStrides;
- int distanceLeft;
- int distanceRight;
- float invertedKernelSize;
- unsigned char* paintingConstants;
-};
-
-unsigned char* feGaussianBlurConstantsForNeon();
-
-extern "C" {
-void neonDrawAllChannelGaussianBlur(unsigned char* source, unsigned char* destination, FEGaussianBlurPaintingDataForNeon*);
-void neonDrawAlphaChannelGaussianBlur(unsigned char* source, unsigned char* destination, FEGaussianBlurPaintingDataForNeon*);
-}
-
-inline void FEGaussianBlur::platformApplyNeon(Uint8ClampedArray* srcPixelArray, Uint8ClampedArray* tmpPixelArray, unsigned kernelSizeX, unsigned kernelSizeY, IntSize& paintSize)
+inline void boxBlurNEON(Uint8ClampedArray* srcPixelArray, Uint8ClampedArray* dstPixelArray,
+ unsigned dx, int dxLeft, int dxRight, int stride, int strideLine, int effectWidth, int effectHeight)
{
- const int widthMultipliedByFour = 4 * paintSize.width();
- FEGaussianBlurPaintingDataForNeon argumentsX = {
- 4,
- widthMultipliedByFour,
- widthMultipliedByFour,
- (isAlphaImage() ? ((paintSize.height() >> 2) << 2) : paintSize.height()) * widthMultipliedByFour,
- isAlphaImage() ? (paintSize.height() & 0x3) : 0,
- 0,
- 0,
- 0,
- isAlphaImage() ? 0 : feGaussianBlurConstantsForNeon()
- };
- FEGaussianBlurPaintingDataForNeon argumentsY = {
- widthMultipliedByFour,
- widthMultipliedByFour * paintSize.height(),
- 4,
- (isAlphaImage() ? ((paintSize.width() >> 2) << 2) : paintSize.width()) * 4,
- isAlphaImage() ? (paintSize.width() & 0x3) : 0,
- 0,
- 0,
- 0,
- isAlphaImage() ? 0 : feGaussianBlurConstantsForNeon()
- };
+ uint32_t* sourcePixel = reinterpret_cast<uint32_t*>(srcPixelArray->data());
+ uint32_t* destinationPixel = reinterpret_cast<uint32_t*>(dstPixelArray->data());
+
+ float32x4_t deltaX = vdupq_n_f32(1.0 / dx);
+ int pixelLine = strideLine / 4;
- for (int i = 0; i < 3; ++i) {
- if (kernelSizeX) {
- kernelPosition(i, kernelSizeX, argumentsX.distanceLeft, argumentsX.distanceRight);
- argumentsX.invertedKernelSize = 1 / static_cast<float>(kernelSizeX);
- if (isAlphaImage())
- neonDrawAlphaChannelGaussianBlur(srcPixelArray->data(), tmpPixelArray->data(), &argumentsX);
- else
- neonDrawAllChannelGaussianBlur(srcPixelArray->data(), tmpPixelArray->data(), &argumentsX);
- } else {
- Uint8ClampedArray* auxPixelArray = tmpPixelArray;
- tmpPixelArray = srcPixelArray;
- srcPixelArray = auxPixelArray;
+ for (int y = 0; y < effectHeight; ++y) {
+ int line = y * pixelLine;
+ float32x4_t sum = vdupq_n_f32(0);
+ // Fill the kernel
+ int maxKernelSize = std::min(dxRight, effectWidth);
+ for (int i = 0; i < maxKernelSize; ++i) {
+ float32x4_t sourcePixelAsFloat = loadRGBA8AsFloat(sourcePixel + line + i);
+ sum = vaddq_f32(sum, sourcePixelAsFloat);
}
- if (kernelSizeY) {
- kernelPosition(i, kernelSizeY, argumentsY.distanceLeft, argumentsY.distanceRight);
- argumentsY.invertedKernelSize = 1 / static_cast<float>(kernelSizeY);
- if (isAlphaImage())
- neonDrawAlphaChannelGaussianBlur(tmpPixelArray->data(), srcPixelArray->data(), &argumentsY);
- else
- neonDrawAllChannelGaussianBlur(tmpPixelArray->data(), srcPixelArray->data(), &argumentsY);
- } else {
- Uint8ClampedArray* auxPixelArray = tmpPixelArray;
- tmpPixelArray = srcPixelArray;
- srcPixelArray = auxPixelArray;
+ // Blurring
+ for (int x = 0; x < effectWidth; ++x) {
+ int pixelOffset = line + x;
+ float32x4_t result = vmulq_f32(sum, deltaX);
+ storeFloatAsRGBA8(result, destinationPixel+pixelOffset);
+ if (x >= dxLeft) {
+ float32x4_t sourcePixelAsFloat = loadRGBA8AsFloat(sourcePixel + pixelOffset - dxLeft);
+ sum = vsubq_f32(sum, sourcePixelAsFloat);
+ }
+ if (x + dxRight < effectWidth) {
+ float32x4_t sourcePixelAsFloat = loadRGBA8AsFloat(sourcePixel + pixelOffset + dxRight);
+ sum = vaddq_f32(sum, sourcePixelAsFloat);
+ }
}
}
}
projects / profile / ivi / webkit-efl.git / commitdiff