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-rw-r--r--src/gui/painting/qdrawhelper.cpp157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp
index 7a5c5dc660..b5ccafdf9a 100644
--- a/src/gui/painting/qdrawhelper.cpp
+++ b/src/gui/painting/qdrawhelper.cpp
@@ -1709,6 +1709,163 @@ static const uint * QT_FASTCALL fetchTransformedBilinearARGB32PM(uint *buffer, c
}
} else {
//we are zooming less than 8x, use 4bit precision
+
+ if (blendType != BlendTransformedBilinearTiled) {
+#define BILINEAR_ROTATE_BOUNDS_PROLOG \
+ while (b < end) { \
+ int x1 = (fx >> 16); \
+ int x2; \
+ int y1 = (fy >> 16); \
+ int y2; \
+ fetchTransformedBilinear_pixelBounds<blendType>(image_width, image_x1, image_x2, x1, x2); \
+ fetchTransformedBilinear_pixelBounds<blendType>(image_height, image_y1, image_y2, y1, y2); \
+ if (x1 != x2 && y1 != y2) \
+ break; \
+ const uint *s1 = (const uint *)data->texture.scanLine(y1); \
+ const uint *s2 = (const uint *)data->texture.scanLine(y2); \
+ uint tl = s1[x1]; \
+ uint tr = s1[x2]; \
+ uint bl = s2[x1]; \
+ uint br = s2[x2]; \
+ int distx = (fx & 0x0000ffff) >> 12; \
+ int disty = (fy & 0x0000ffff) >> 12; \
+ *b = interpolate_4_pixels_16(tl, tr, bl, br, distx, disty); \
+ fx += fdx; \
+ fy += fdy; \
+ ++b; \
+ } \
+ uint *boundedEnd = end - 3; \
+ boundedEnd -= 3;
+
+#if defined(__SSE2__)
+ BILINEAR_ROTATE_BOUNDS_PROLOG
+
+ const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
+ const __m128i v_256 = _mm_set1_epi16(256);
+ __m128i v_fdx = _mm_set1_epi32(fdx*4);
+ __m128i v_fdy = _mm_set1_epi32(fdy*4);
+
+ const uchar *textureData = data->texture.imageData;
+ const int bytesPerLine = data->texture.bytesPerLine;
+
+ union Vect_buffer { __m128i vect; qint32 i[4]; };
+ Vect_buffer v_fx, v_fy;
+
+ for (int i = 0; i < 4; i++) {
+ v_fx.i[i] = fx;
+ v_fy.i[i] = fy;
+ fx += fdx;
+ fy += fdy;
+ }
+
+ while (b < boundedEnd) {
+ if (fdx > 0 && (v_fx.i[3] >> 16) >= image_x2)
+ break;
+ if (fdx < 0 && (v_fx.i[3] >> 16) < image_x1)
+ break;
+ if (fdy > 0 && (v_fy.i[3] >> 16) >= image_y2)
+ break;
+ if (fdy < 0 && (v_fy.i[3] >> 16) < image_y1)
+ break;
+
+ Vect_buffer tl, tr, bl, br;
+ Vect_buffer v_fx_shifted, v_fy_shifted;
+ v_fx_shifted.vect = _mm_srli_epi32(v_fx.vect, 16);
+ v_fy_shifted.vect = _mm_srli_epi32(v_fy.vect, 16);
+
+ for (int i = 0; i < 4; i++) {
+ const int x1 = v_fx_shifted.i[i];
+ const int y1 = v_fy_shifted.i[i];
+ const uchar *sl = textureData + bytesPerLine * y1;
+ const uint *s1 = (const uint *)sl;
+ const uint *s2 = (const uint *)(sl + bytesPerLine);
+ tl.i[i] = s1[x1];
+ tr.i[i] = s1[x1+1];
+ bl.i[i] = s2[x1];
+ br.i[i] = s2[x1+1];
+ }
+ __m128i v_distx = _mm_srli_epi16(v_fx.vect, 12);
+ __m128i v_disty = _mm_srli_epi16(v_fy.vect, 12);
+ v_distx = _mm_shufflehi_epi16(v_distx, _MM_SHUFFLE(2,2,0,0));
+ v_distx = _mm_shufflelo_epi16(v_distx, _MM_SHUFFLE(2,2,0,0));
+ v_disty = _mm_shufflehi_epi16(v_disty, _MM_SHUFFLE(2,2,0,0));
+ v_disty = _mm_shufflelo_epi16(v_disty, _MM_SHUFFLE(2,2,0,0));
+
+ interpolate_4_pixels_16_sse2(tl.vect, tr.vect, bl.vect, br.vect, v_distx, v_disty, colorMask, v_256, b);
+ b+=4;
+ v_fx.vect = _mm_add_epi32(v_fx.vect, v_fdx);
+ v_fy.vect = _mm_add_epi32(v_fy.vect, v_fdy);
+ }
+ fx = v_fx.i[0];
+ fy = v_fy.i[0];
+#elif defined(__ARM_NEON__)
+ BILINEAR_ROTATE_BOUNDS_PROLOG
+
+ const int16x8_t colorMask = vdupq_n_s16(0x00ff);
+ const int16x8_t invColorMask = vmvnq_s16(colorMask);
+ const int16x8_t v_256 = vdupq_n_s16(256);
+ int32x4_t v_fdx = vdupq_n_s32(fdx*4);
+ int32x4_t v_fdy = vdupq_n_s32(fdy*4);
+
+ const uchar *textureData = data->texture.imageData;
+ const int bytesPerLine = data->texture.bytesPerLine;
+
+ union Vect_buffer { int32x4_t vect; quint32 i[4]; };
+ Vect_buffer v_fx, v_fy;
+
+ for (int i = 0; i < 4; i++) {
+ v_fx.i[i] = fx;
+ v_fy.i[i] = fy;
+ fx += fdx;
+ fy += fdy;
+ }
+
+ const int32x4_t v_ffff_mask = vdupq_n_s32(0x0000ffff);
+
+ while (b < boundedEnd) {
+ if (fdx > 0 && (v_fx.i[3] >> 16) >= image_x2)
+ break;
+ if (fdx < 0 && (v_fx.i[3] >> 16) < image_x1)
+ break;
+ if (fdy > 0 && (v_fy.i[3] >> 16) >= image_y2)
+ break;
+ if (fdy < 0 && (v_fy.i[3] >> 16) < image_y1)
+ break;
+
+ Vect_buffer tl, tr, bl, br;
+
+ Vect_buffer v_fx_shifted, v_fy_shifted;
+ v_fx_shifted.vect = vshrq_n_s32(v_fx.vect, 16);
+ v_fy_shifted.vect = vshrq_n_s32(v_fy.vect, 16);
+
+ for (int i = 0; i < 4; i++) {
+ const int x1 = v_fx_shifted.i[i];
+ const int y1 = v_fy_shifted.i[i];
+ const uchar *sl = textureData + bytesPerLine * y1;
+ const uint *s1 = (const uint *)sl;
+ const uint *s2 = (const uint *)(sl + bytesPerLine);
+ tl.i[i] = s1[x1];
+ tr.i[i] = s1[x1+1];
+ bl.i[i] = s2[x1];
+ br.i[i] = s2[x1+1];
+ }
+
+ int32x4_t v_distx = vshrq_n_s32(vandq_s32(v_fx.vect, v_ffff_mask), 12);
+ int32x4_t v_disty = vshrq_n_s32(vandq_s32(v_fy.vect, v_ffff_mask), 12);
+ v_distx = vorrq_s32(v_distx, vshlq_n_s32(v_distx, 16));
+ v_disty = vorrq_s32(v_disty, vshlq_n_s32(v_disty, 16));
+ int16x8_t v_disty_ = vshlq_n_s16(v_disty, 4);
+
+ interpolate_4_pixels_16_neon(vreinterpretq_s16_s32(tl.vect), vreinterpretq_s16_s32(tr.vect), vreinterpretq_s16_s32(bl.vect), vreinterpretq_s16_s32(br.vect), vreinterpretq_s16_s32(v_distx), v_disty, v_disty_, colorMask, invColorMask, v_256, b);
+ b+=4;
+ v_fx.vect = vaddq_s32(v_fx.vect, v_fdx);
+ v_fy.vect = vaddq_s32(v_fy.vect, v_fdy);
+ }
+ fx = v_fx.i[0];
+ fy = v_fy.i[0];
+#endif
+ }
+
while (b < end) {
int x1 = (fx >> 16);
int x2;
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