diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_sse2.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper_sse2.cpp | 100 |
1 files changed, 28 insertions, 72 deletions
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp index eef4cda..542d845 100644 --- a/src/gui/painting/qdrawhelper_sse2.cpp +++ b/src/gui/painting/qdrawhelper_sse2.cpp @@ -491,87 +491,43 @@ void qt_bitmapblit16_sse2(QRasterBuffer *rasterBuffer, int x, int y, } } -extern const uint * QT_FASTCALL qt_fetch_radial_gradient_plain(uint *buffer, const Operator *op, const QSpanData *data, - int y, int x, int length); -class RadialFetchSse2 +class QSimdSse2 { public: - static inline void fetch(uint *buffer, uint *end, const QSpanData *data, qreal det, qreal delta_det, - qreal delta_delta_det, qreal b, qreal delta_b) - { - union Vect_buffer_f { __m128 v; float f[4]; }; - union Vect_buffer_i { __m128i v; int i[4]; }; - - Vect_buffer_f det_vec; - Vect_buffer_f delta_det4_vec; - Vect_buffer_f b_vec; - - for (int i = 0; i < 4; ++i) { - det_vec.f[i] = det; - delta_det4_vec.f[i] = 4 * delta_det; - b_vec.f[i] = b; - - det += delta_det; - delta_det += delta_delta_det; - b += delta_b; - } + typedef __m128i Int32x4; + typedef __m128 Float32x4; - const __m128 v_delta_delta_det16 = _mm_set1_ps(16 * delta_delta_det); - const __m128 v_delta_delta_det6 = _mm_set1_ps(6 * delta_delta_det); - const __m128 v_delta_b4 = _mm_set1_ps(4 * delta_b); - - const __m128 v_min = _mm_set1_ps(0.0f); - const __m128 v_max = _mm_set1_ps(GRADIENT_STOPTABLE_SIZE-1.5f); - const __m128 v_half = _mm_set1_ps(0.5f); - - const __m128 v_table_size_minus_one = _mm_set1_ps(float(GRADIENT_STOPTABLE_SIZE-1)); - - const __m128i v_repeat_mask = _mm_set1_epi32(uint(0xffffff) << GRADIENT_STOPTABLE_SIZE_SHIFT); - const __m128i v_reflect_mask = _mm_set1_epi32(uint(0xffffff) << (GRADIENT_STOPTABLE_SIZE_SHIFT+1)); - - const __m128i v_reflect_limit = _mm_set1_epi32(2 * GRADIENT_STOPTABLE_SIZE - 1); - -#define FETCH_RADIAL_LOOP_PROLOGUE \ - while (buffer < end) { \ - const __m128 v_index_local = _mm_sub_ps(_mm_sqrt_ps(_mm_max_ps(v_min, det_vec.v)), b_vec.v); \ - const __m128 v_index = _mm_add_ps(_mm_mul_ps(v_index_local, v_table_size_minus_one), v_half); \ - Vect_buffer_i index_vec; -#define FETCH_RADIAL_LOOP_CLAMP_REPEAT \ - index_vec.v = _mm_andnot_si128(v_repeat_mask, _mm_cvttps_epi32(v_index)); -#define FETCH_RADIAL_LOOP_CLAMP_REFLECT \ - const __m128i v_index_i = _mm_andnot_si128(v_reflect_mask, _mm_cvttps_epi32(v_index)); \ - const __m128i v_index_i_inv = _mm_sub_epi32(v_reflect_limit, v_index_i); \ - index_vec.v = _mm_min_epi16(v_index_i, v_index_i_inv); -#define FETCH_RADIAL_LOOP_CLAMP_PAD \ - index_vec.v = _mm_cvttps_epi32(_mm_min_ps(v_max, _mm_max_ps(v_min, v_index))); -#define FETCH_RADIAL_LOOP_EPILOGUE \ - det_vec.v = _mm_add_ps(_mm_add_ps(det_vec.v, delta_det4_vec.v), v_delta_delta_det6); \ - delta_det4_vec.v = _mm_add_ps(delta_det4_vec.v, v_delta_delta_det16); \ - b_vec.v = _mm_add_ps(b_vec.v, v_delta_b4); \ - for (int i = 0; i < 4; ++i) \ - *buffer++ = data->gradient.colorTable[index_vec.i[i]]; \ - } + union Vect_buffer_i { Int32x4 v; int i[4]; }; + union Vect_buffer_f { Float32x4 v; float f[4]; }; - if (data->gradient.spread == QGradient::RepeatSpread) { - FETCH_RADIAL_LOOP_PROLOGUE - FETCH_RADIAL_LOOP_CLAMP_REPEAT - FETCH_RADIAL_LOOP_EPILOGUE - } else if (data->gradient.spread == QGradient::ReflectSpread) { - FETCH_RADIAL_LOOP_PROLOGUE - FETCH_RADIAL_LOOP_CLAMP_REFLECT - FETCH_RADIAL_LOOP_EPILOGUE - } else { - FETCH_RADIAL_LOOP_PROLOGUE - FETCH_RADIAL_LOOP_CLAMP_PAD - FETCH_RADIAL_LOOP_EPILOGUE - } - } + static inline Float32x4 v_dup(float x) { return _mm_set1_ps(x); } + static inline Float32x4 v_dup(double x) { return _mm_set1_ps(x); } + static inline Int32x4 v_dup(int x) { return _mm_set1_epi32(x); } + static inline Int32x4 v_dup(uint x) { return _mm_set1_epi32(x); } + + static inline Float32x4 v_add(Float32x4 a, Float32x4 b) { return _mm_add_ps(a, b); } + static inline Int32x4 v_add(Int32x4 a, Int32x4 b) { return _mm_add_epi32(a, b); } + + static inline Float32x4 v_max(Float32x4 a, Float32x4 b) { return _mm_max_ps(a, b); } + static inline Float32x4 v_min(Float32x4 a, Float32x4 b) { return _mm_min_ps(a, b); } + static inline Int32x4 v_min_16(Int32x4 a, Int32x4 b) { return _mm_min_epi16(a, b); } + + static inline Int32x4 v_and(Int32x4 a, Int32x4 b) { return _mm_and_si128(a, b); } + + static inline Float32x4 v_sub(Float32x4 a, Float32x4 b) { return _mm_sub_ps(a, b); } + static inline Int32x4 v_sub(Int32x4 a, Int32x4 b) { return _mm_sub_epi32(a, b); } + + static inline Float32x4 v_mul(Float32x4 a, Float32x4 b) { return _mm_mul_ps(a, b); } + + static inline Float32x4 v_sqrt(Float32x4 x) { return _mm_sqrt_ps(x); } + + static inline Int32x4 v_toInt(Float32x4 x) { return _mm_cvttps_epi32(x); } }; const uint * QT_FASTCALL qt_fetch_radial_gradient_sse2(uint *buffer, const Operator *op, const QSpanData *data, int y, int x, int length) { - return qt_fetch_radial_gradient_template<RadialFetchSse2>(buffer, op, data, y, x, length); + return qt_fetch_radial_gradient_template<QRadialFetchSimd<QSimdSse2> >(buffer, op, data, y, x, length); } |