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-rw-r--r--src/opts/SkBitmapProcState_opts_arm.cpp213
1 files changed, 213 insertions, 0 deletions
diff --git a/src/opts/SkBitmapProcState_opts_arm.cpp b/src/opts/SkBitmapProcState_opts_arm.cpp
index 415bd0c..ce75fea 100644
--- a/src/opts/SkBitmapProcState_opts_arm.cpp
+++ b/src/opts/SkBitmapProcState_opts_arm.cpp
@@ -566,6 +566,216 @@ void Clamp_SI8_opaque_D32_filter_DX_shaderproc(const SkBitmapProcState& s, int x
s.fBitmap->getColorTable()->unlockColors(false);
}
+
+
+void Repeat_SI8_opaque_D32_filter_DX_shaderproc(const SkBitmapProcState& s, int x, int y,
+ uint32_t* SK_RESTRICT colors, int count) {
+ SkASSERT((s.fInvType & ~(SkMatrix::kTranslate_Mask |
+ SkMatrix::kScale_Mask)) == 0);
+ SkASSERT(s.fInvKy == 0);
+ SkASSERT(count > 0 && colors != NULL);
+ SkASSERT(s.fDoFilter);
+ SkDEBUGCODE(SkASSERT(s.fBitmap->config() == SkBitmap::kIndex8_Config);)
+
+ const unsigned maxX = s.fBitmap->width() - 1;
+ const SkFixed oneX = s.fFilterOneX;
+ const SkFixed dx = s.fInvSx;
+ SkFixed fx;
+ const uint8_t* SK_RESTRICT row0;
+ const uint8_t* SK_RESTRICT row1;
+ unsigned subY;
+
+ {
+ SkPoint pt;
+ s.fInvProc(*s.fInvMatrix, SkIntToScalar(x) + SK_ScalarHalf,
+ SkIntToScalar(y) + SK_ScalarHalf, &pt);
+ SkFixed fy = SkScalarToFixed(pt.fY) - (s.fFilterOneY >> 1);
+ const unsigned maxY = s.fBitmap->height() - 1;
+ // compute our two Y values up front
+ subY = (((fy & 0xFFFF) * (maxY + 1) >> 12) & 0xF);
+ int y0 = ((fy & 0xFFFF) * (maxY + 1) >> 16);
+ int y1 = (((fy + s.fFilterOneY) & 0xFFFF) * (maxY + 1) >> 16);
+
+ const char* SK_RESTRICT srcAddr = (const char*)s.fBitmap->getPixels();
+ unsigned rb = s.fBitmap->rowBytes();
+ row0 = (const uint8_t*)(srcAddr + y0 * rb);
+ row1 = (const uint8_t*)(srcAddr + y1 * rb);
+ // now initialize fx
+ fx = SkScalarToFixed(pt.fX) - (oneX >> 1);
+ }
+
+ const SkPMColor* SK_RESTRICT table = s.fBitmap->getColorTable()->lockColors();
+
+ do {
+ // Check if we can do the next four pixels using ARM NEON asm
+ if (count >= 4) {
+ int asm_count = count >> 2;
+ unsigned maxX1 = (unsigned)(maxX + 1);
+
+ count -= asm_count << 2;
+
+ // We know that oneX is 1.0 since we are running clamped.
+ // This means that we can load both x0 and x1 offsets in one go.
+ asm volatile (
+ // Setup constants
+ "rsb r8, %[subY], #16 \n\t" // 16 - subY
+ "vdup.8 d30, %[subY] \n\t" // Create constant for subY
+ "vdup.8 d31, r8 \n\t" // Create constant for 16 - subY
+ "vmov.u16 d29, #16 \n\t" // Create constant for 16
+ "1: \n\t" // Loop start
+ // Pre-load pixel #1
+ "add r7, %[fx], %[oneX] \n\t" // Start calculate x1 (fx + oneX)
+ "uxth r7, r7 \n\t" // (fx + oneX) & 0xFFFF
+ "mul r7, %[maxX1], r7 \n\t" // Multiply with maxX + 1
+ "lsr r7, r7, #16 \n\t" // Shift by 16 to get x1
+ "ldrb r8, [%[row0], r7] \n\t" // Fetch row0[x1] color table offsets
+ "ldrb r7, [%[row1], r7] \n\t" // Fetch row1[x1] color table offsets
+ "uxth r6, %[fx] \n\t" // Start calculate x0/subX (fx & 0xFFFF)
+ "mul r6, %[maxX1], r6 \n\t" // Multiply with maxX + 1
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a01 address for table
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a11 address for table
+ "vld1.32 {d0[1]}, [r8] \n\t" // Load a01 RGBA pixel from table
+ "vld1.32 {d1[1]}, [r7] \n\t" // Load a11 RGBA pixel from table
+ "lsr r8, r6, #16 \n\t" // Shift by 16 to get x0
+ "ldrb r7, [%[row0], r8] \n\t" // Fetch row0[x0] color table offsets
+ "ldrb r8, [%[row1], r8] \n\t" // Fetch row1[x0] color table offsets
+ "subs %[cnt], %[cnt], #1 \n\t" // Decrement loop counter
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a00 address for table
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a10 address for table
+ "vld1.32 {d0[0]}, [r7] \n\t" // Load a00 RGBA pixel from table
+ "vld1.32 {d1[0]}, [r8] \n\t" // Load a10 RGBA pixel from table
+ // Calculate pixel #1 and pre-load #2
+ "lsr r6, r6, #12 \n\t" // Calculate subX
+ "and r6, r6, #0xF \n\t" // ((fx & 0xFFFF) * (maxX1) >> 12) & 0xF
+ "add %[fx], %[fx], %[dx] \n\t" // Move fx to next position
+ "vdup.16 d28, r6 \n\t" // subX
+ "add r7, %[fx], %[oneX] \n\t" // Start calculate x1 (fx + oneX)
+ "uxth r7, r7 \n\t" // (fx + oneX) & 0xFFFF
+ "mul r7, %[maxX1], r7 \n\t" // Multiply with maxX + 1
+ "lsr r7, r7, #16 \n\t" // Shift by 16 to get x1
+ "ldrb r8, [%[row0], r7] \n\t" // Fetch row0[x1] color table offsets
+ "ldrb r7, [%[row1], r7] \n\t" // Fetch row1[x1] color table offsets
+ "vmull.u8 q1, d0, d31 \n\t" // q0 = [a00|a01] * (16 - y)
+ "vmull.u8 q2, d1, d30 \n\t" // q1 = [a10|a11] * y
+ "uxth r6, %[fx] \n\t" // Start calculate x0/subX (fx & 0xFFFF)
+ "mul r6, %[maxX1], r6 \n\t" // Multiply with maxX + 1
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a01 address for table
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a11 address for table
+ "vld1.32 {d0[1]}, [r8] \n\t" // Load a01 RGBA pixel from table
+ "vld1.32 {d1[1]}, [r7] \n\t" // Load a11 RGBA pixel from table
+ "lsr r8, r6, #16 \n\t" // Shift by 16 to get x0
+ "ldrb r7, [%[row0], r8] \n\t" // Fetch row0[x0] color table offsets
+ "ldrb r8, [%[row1], r8] \n\t" // Fetch row1[x0] color table offsets
+ "vmul.i16 d16, d3, d28 \n\t" // d16 = a01 * x
+ "vmla.i16 d16, d5, d28 \n\t" // d16 += a11 * x
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a00 address for table
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a10 address for table
+ "vld1.32 {d0[0]}, [r7] \n\t" // Load a00 RGBA pixel from table
+ "vld1.32 {d1[0]}, [r8] \n\t" // Load a10 RGBA pixel from table
+ "vsub.i16 d27, d29, d28 \n\t" // 16 - subX
+ "vmla.i16 d16, d2, d27 \n\t" // d16 += a00 * (16 - x)
+ "vmla.i16 d16, d4, d27 \n\t" // d16 += a10 * (16 - x)
+ // Calculate pixel #2 and pre-load #3
+ "lsr r6, r6, #12 \n\t" // Calculate subX
+ "and r6, r6, #0xF \n\t" // ((fx & 0xFFFF) * (maxX1) >> 12) & 0xF
+ "add %[fx], %[fx], %[dx] \n\t" // Move fx to next position
+ "vdup.16 d28, r6 \n\t" // subX
+ "add r7, %[fx], %[oneX] \n\t" // Start calculate x1 (fx + oneX)
+ "uxth r7, r7 \n\t" // (fx + oneX) & 0xFFFF
+ "mul r7, %[maxX1], r7 \n\t" // Multiply with maxX + 1
+ "lsr r7, r7, #16 \n\t" // Shift by 16 to get x1
+ "ldrb r8, [%[row0], r7] \n\t" // Fetch row0[x1] color table offsets
+ "ldrb r7, [%[row1], r7] \n\t" // Fetch row1[x1] color table offsets
+ "vmull.u8 q1, d0, d31 \n\t" // q0 = [a00|a01] * (16 - y)
+ "vmull.u8 q2, d1, d30 \n\t" // q1 = [a10|a11] * y
+ "uxth r6, %[fx] \n\t" // Start calculate x0/subX (fx & 0xFFFF)
+ "mul r6, %[maxX1], r6 \n\t" // Multiply with maxX + 1
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a01 address for table
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a11 address for table
+ "vld1.32 {d0[1]}, [r8] \n\t" // Load a01 RGBA pixel from table
+ "vld1.32 {d1[1]}, [r7] \n\t" // Load a11 RGBA pixel from table
+ "lsr r8, r6, #16 \n\t" // Shift by 16 to get x0
+ "ldrb r7, [%[row0], r8] \n\t" // Fetch row0[x0] color table offsets
+ "ldrb r8, [%[row1], r8] \n\t" // Fetch row1[x0] color table offsets
+ "vmul.i16 d17, d3, d28 \n\t" // d17 = a01 * x
+ "vmla.i16 d17, d5, d28 \n\t" // d17 += a11 * x
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a00 address for table
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a10 address for table
+ "vld1.32 {d0[0]}, [r7] \n\t" // Load a00 RGBA pixel from table
+ "vld1.32 {d1[0]}, [r8] \n\t" // Load a10 RGBA pixel from table
+ "vsub.i16 d27, d29, d28 \n\t" // 16 - subX
+ "vmla.i16 d17, d2, d27 \n\t" // d17 += a00 * (16 - x)
+ "vmla.i16 d17, d4, d27 \n\t" // d17 += a10 * (16 - x)
+ // Calculate pixel #3 and pre-load #4
+ "lsr r6, r6, #12 \n\t" // Calculate subX
+ "and r6, r6, #0xF \n\t" // ((fx & 0xFFFF) * (maxX1) >> 12) & 0xF
+ "add %[fx], %[fx], %[dx] \n\t" // Move fx to next position
+ "vdup.16 d28, r6 \n\t" // subX
+ "vshrn.i16 d16, q8, #8 \n\t" // shift down result by 8
+ "add r7, %[fx], %[oneX] \n\t" // Start calculate x1 (fx + oneX)
+ "uxth r7, r7 \n\t" // (fx + oneX) & 0xFFFF
+ "mul r7, %[maxX1], r7 \n\t" // Multiply with maxX + 1
+ "lsr r7, r7, #16 \n\t" // Shift by 16 to get x1
+ "ldrb r8, [%[row0], r7] \n\t" // Fetch row0[x1] color table offsets
+ "ldrb r7, [%[row1], r7] \n\t" // Fetch row1[x1] color table offsets
+ "vmull.u8 q1, d0, d31 \n\t" // q0 = [a00|a01] * (16 - y)
+ "vmull.u8 q2, d1, d30 \n\t" // q1 = [a10|a11] * y
+ "uxth r6, %[fx] \n\t" // Start calculate x0/subX (fx & 0xFFFF)
+ "mul r6, %[maxX1], r6 \n\t" // Multiply with maxX + 1
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a01 address for table
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a11 address for table
+ "vld1.32 {d0[1]}, [r8] \n\t" // Load a01 RGBA pixel from table
+ "vld1.32 {d1[1]}, [r7] \n\t" // Load a11 RGBA pixel from table
+ "lsr r8, r6, #16 \n\t" // Shift by 16 to get x0
+ "ldrb r7, [%[row0], r8] \n\t" // Fetch row0[x0] color table offsets
+ "ldrb r8, [%[row1], r8] \n\t" // Fetch row1[x0] color table offsets
+ "vmul.i16 d18, d3, d28 \n\t" // d18 = a01 * x
+ "vmla.i16 d18, d5, d28 \n\t" // d18 += a11 * x
+ "add r7, %[table], r7, lsl #2 \n\t" // Calculate a00 address for table
+ "add r8, %[table], r8, lsl #2 \n\t" // Calculate a10 address for table
+ "vld1.32 {d0[0]}, [r7] \n\t" // Load a00 RGBA pixel from table
+ "vld1.32 {d1[0]}, [r8] \n\t" // Load a10 RGBA pixel from table
+ "vsub.i16 d27, d29, d28 \n\t" // 16 - subX
+ "vmla.i16 d18, d2, d27 \n\t" // d18 += a00 * (16 - x)
+ "vmla.i16 d18, d4, d27 \n\t" // d18 += a10 * (16 - x)
+ // Calculate pixel #4
+ "vmull.u8 q1, d0, d31 \n\t" // q0 = [a00|a01] * (16 - y)
+ "vmull.u8 q2, d1, d30 \n\t" // q1 = [a10|a11] * y
+ "lsr r6, r6, #12 \n\t" // Calculate subX
+ "and r6, r6, #0xF \n\t" // ((fx & 0xFFFF) * (maxX1) >> 12) & 0xF
+ "add %[fx], %[fx], %[dx] \n\t" // Move fx to next position
+ "vdup.16 d28, r6 \n\t" // subX
+ "vmul.i16 d19, d3, d28 \n\t" // d19 = a01 * x
+ "vmla.i16 d19, d5, d28 \n\t" // d19 += a11 * x
+ "vsub.i16 d27, d29, d28 \n\t" // 16 - subX
+ "vmla.i16 d19, d2, d27 \n\t" // d19 += a00 * (16 - x)
+ "vmla.i16 d19, d4, d27 \n\t" // d19 += a10 * (16 - x)
+ "vshrn.i16 d17, q9, #8 \n\t" // shift down result by 8
+ "vst1.32 {d16-d17}, [%[colors]]! \n\t" // Write result to memory
+ "bne 1b \n\t"
+ : [fx] "+r" (fx), [colors] "+r" (colors), [cnt] "+r" (asm_count)
+ : [row0] "r" (row0), [row1] "r" (row1), [subY] "r" (subY), [dx] "r" (dx), [table] "r" (table), [oneX] "r" (oneX), [maxX1] "r" (maxX1)
+ : "cc", "memory", "r6", "r7", "r8", "d0", "d1", "d2", "d3", "d4", "d5", "d16", "d17", "d18", "d19", "d27", "d28", "d29", "d30", "d31"
+ );
+ } else {
+ unsigned subX = (((fx & 0xFFFF) * (maxX + 1) >> 12) & 0xF);
+ unsigned x0 = ((fx & 0xFFFF) * (maxX + 1) >> 16);
+ unsigned x1 = (((fx + oneX) & 0xFFFF) * (maxX + 1) >> 16);
+
+ Filter_32_opaque(subX, subY,
+ table[row0[x0]],
+ table[row0[x1]],
+ table[row1[x0]],
+ table[row1[x1]],
+ colors);
+ colors += 1;
+ fx += dx;
+ count--;
+ }
+ } while (count != 0);
+
+ s.fBitmap->getColorTable()->unlockColors(false);
+}
#endif
@@ -587,6 +797,9 @@ void SkBitmapProcState::platformProcs() {
if (SI8_opaque_D32_filter_DX == fSampleProc32) {
if (clamp_clamp) {
fShaderProc32 = Clamp_SI8_opaque_D32_filter_DX_shaderproc;
+ } else if ((SkShader::kRepeat_TileMode == fTileModeX) &&
+ (SkShader::kRepeat_TileMode == fTileModeY)) {
+ fShaderProc32 = Repeat_SI8_opaque_D32_filter_DX_shaderproc;
}
} else
#endif
generated by cgit v1.1 at 2024-12-22 13:20:19 +0000