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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/x86/convolve.h')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/x86/convolve.h | 279 |
1 files changed, 279 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/x86/convolve.h b/media/libvpx/libvpx/vpx_dsp/x86/convolve.h new file mode 100644 index 0000000000..c339600556 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/x86/convolve.h @@ -0,0 +1,279 @@ +/* + * Copyright (c) 2015 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#ifndef VPX_VPX_DSP_X86_CONVOLVE_H_ +#define VPX_VPX_DSP_X86_CONVOLVE_H_ + +#include <assert.h> + +#include "./vpx_config.h" +#include "vpx/vpx_integer.h" +#include "vpx_ports/compiler_attributes.h" + +// TODO(chiyotsai@google.com): Refactor the code here. Currently this is pretty +// hacky and awful to read. Note that there is a filter_x[3] == 128 check in +// HIGHBD_FUN_CONV_2D to avoid seg fault due to the fact that the c function +// assumes the filter is always 8 tap. +typedef void filter8_1dfunction(const uint8_t *src_ptr, ptrdiff_t src_pitch, + uint8_t *output_ptr, ptrdiff_t out_pitch, + uint32_t output_height, const int16_t *filter); + +// TODO(chiyotsai@google.com): Remove the is_avg argument to the MACROS once we +// have 4-tap vert avg filter. +#define FUN_CONV_1D(name, offset, step_q4, dir, src_start, avg, opt, is_avg) \ + void vpx_convolve8_##name##_##opt( \ + const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, \ + ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, \ + int x_step_q4, int y0_q4, int y_step_q4, int w, int h) { \ + const int16_t *filter_row = filter[offset]; \ + (void)x0_q4; \ + (void)x_step_q4; \ + (void)y0_q4; \ + (void)y_step_q4; \ + assert(filter_row[3] != 128); \ + assert(step_q4 == 16); \ + if (filter_row[0] | filter_row[1] | filter_row[6] | filter_row[7]) { \ + const int num_taps = 8; \ + while (w >= 16) { \ + vpx_filter_block1d16_##dir##8_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + src += 16; \ + dst += 16; \ + w -= 16; \ + } \ + if (w == 8) { \ + vpx_filter_block1d8_##dir##8_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + } else if (w == 4) { \ + vpx_filter_block1d4_##dir##8_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + } \ + (void)num_taps; \ + } else if (filter_row[2] | filter_row[5]) { \ + const int num_taps = is_avg ? 8 : 4; \ + while (w >= 16) { \ + vpx_filter_block1d16_##dir##4_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + src += 16; \ + dst += 16; \ + w -= 16; \ + } \ + if (w == 8) { \ + vpx_filter_block1d8_##dir##4_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + } else if (w == 4) { \ + vpx_filter_block1d4_##dir##4_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + } \ + (void)num_taps; \ + } else { \ + const int num_taps = 2; \ + while (w >= 16) { \ + vpx_filter_block1d16_##dir##2_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + src += 16; \ + dst += 16; \ + w -= 16; \ + } \ + if (w == 8) { \ + vpx_filter_block1d8_##dir##2_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + } else if (w == 4) { \ + vpx_filter_block1d4_##dir##2_##avg##opt(src_start, src_stride, dst, \ + dst_stride, h, filter_row); \ + } \ + (void)num_taps; \ + } \ + } + +#define FUN_CONV_2D(avg, opt, is_avg) \ + void vpx_convolve8_##avg##opt( \ + const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, \ + ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, \ + int x_step_q4, int y0_q4, int y_step_q4, int w, int h) { \ + const int16_t *filter_x = filter[x0_q4]; \ + const int16_t *filter_y = filter[y0_q4]; \ + (void)filter_y; \ + assert(filter_x[3] != 128); \ + assert(filter_y[3] != 128); \ + assert(w <= 64); \ + assert(h <= 64); \ + assert(x_step_q4 == 16); \ + assert(y_step_q4 == 16); \ + if (filter_x[0] | filter_x[1] | filter_x[6] | filter_x[7]) { \ + DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 71] VPX_UNINITIALIZED); \ + vpx_convolve8_horiz_##opt(src - 3 * src_stride, src_stride, fdata2, 64, \ + filter, x0_q4, x_step_q4, y0_q4, y_step_q4, w, \ + h + 7); \ + vpx_convolve8_##avg##vert_##opt(fdata2 + 3 * 64, 64, dst, dst_stride, \ + filter, x0_q4, x_step_q4, y0_q4, \ + y_step_q4, w, h); \ + } else if (filter_x[2] | filter_x[5]) { \ + const int num_taps = is_avg ? 8 : 4; \ + DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 71] VPX_UNINITIALIZED); \ + vpx_convolve8_horiz_##opt( \ + src - (num_taps / 2 - 1) * src_stride, src_stride, fdata2, 64, \ + filter, x0_q4, x_step_q4, y0_q4, y_step_q4, w, h + num_taps - 1); \ + vpx_convolve8_##avg##vert_##opt(fdata2 + 64 * (num_taps / 2 - 1), 64, \ + dst, dst_stride, filter, x0_q4, \ + x_step_q4, y0_q4, y_step_q4, w, h); \ + } else { \ + DECLARE_ALIGNED(16, uint8_t, fdata2[64 * 65] VPX_UNINITIALIZED); \ + vpx_convolve8_horiz_##opt(src, src_stride, fdata2, 64, filter, x0_q4, \ + x_step_q4, y0_q4, y_step_q4, w, h + 1); \ + vpx_convolve8_##avg##vert_##opt(fdata2, 64, dst, dst_stride, filter, \ + x0_q4, x_step_q4, y0_q4, y_step_q4, w, \ + h); \ + } \ + } + +#if CONFIG_VP9_HIGHBITDEPTH + +typedef void highbd_filter8_1dfunction(const uint16_t *src_ptr, + const ptrdiff_t src_pitch, + uint16_t *output_ptr, + ptrdiff_t out_pitch, + unsigned int output_height, + const int16_t *filter, int bd); + +#define HIGH_FUN_CONV_1D(name, offset, step_q4, dir, src_start, avg, opt, \ + is_avg) \ + void vpx_highbd_convolve8_##name##_##opt( \ + const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst, \ + ptrdiff_t dst_stride, const InterpKernel *filter_kernel, int x0_q4, \ + int x_step_q4, int y0_q4, int y_step_q4, int w, int h, int bd) { \ + const int16_t *filter_row = filter_kernel[offset]; \ + if (step_q4 == 16 && filter_row[3] != 128) { \ + if (filter_row[0] | filter_row[1] | filter_row[6] | filter_row[7]) { \ + const int num_taps = 8; \ + while (w >= 16) { \ + vpx_highbd_filter_block1d16_##dir##8_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 16; \ + dst += 16; \ + w -= 16; \ + } \ + while (w >= 8) { \ + vpx_highbd_filter_block1d8_##dir##8_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 8; \ + dst += 8; \ + w -= 8; \ + } \ + while (w >= 4) { \ + vpx_highbd_filter_block1d4_##dir##8_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 4; \ + dst += 4; \ + w -= 4; \ + } \ + (void)num_taps; \ + } else if (filter_row[2] | filter_row[5]) { \ + const int num_taps = is_avg ? 8 : 4; \ + while (w >= 16) { \ + vpx_highbd_filter_block1d16_##dir##4_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 16; \ + dst += 16; \ + w -= 16; \ + } \ + while (w >= 8) { \ + vpx_highbd_filter_block1d8_##dir##4_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 8; \ + dst += 8; \ + w -= 8; \ + } \ + while (w >= 4) { \ + vpx_highbd_filter_block1d4_##dir##4_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 4; \ + dst += 4; \ + w -= 4; \ + } \ + (void)num_taps; \ + } else { \ + const int num_taps = 2; \ + while (w >= 16) { \ + vpx_highbd_filter_block1d16_##dir##2_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 16; \ + dst += 16; \ + w -= 16; \ + } \ + while (w >= 8) { \ + vpx_highbd_filter_block1d8_##dir##2_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 8; \ + dst += 8; \ + w -= 8; \ + } \ + while (w >= 4) { \ + vpx_highbd_filter_block1d4_##dir##2_##avg##opt( \ + src_start, src_stride, dst, dst_stride, h, filter_row, bd); \ + src += 4; \ + dst += 4; \ + w -= 4; \ + } \ + (void)num_taps; \ + } \ + } \ + if (w) { \ + vpx_highbd_convolve8_##name##_c(src, src_stride, dst, dst_stride, \ + filter_kernel, x0_q4, x_step_q4, y0_q4, \ + y_step_q4, w, h, bd); \ + } \ + } + +#define HIGH_FUN_CONV_2D(avg, opt, is_avg) \ + void vpx_highbd_convolve8_##avg##opt( \ + const uint16_t *src, ptrdiff_t src_stride, uint16_t *dst, \ + ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, \ + int x_step_q4, int y0_q4, int y_step_q4, int w, int h, int bd) { \ + const int16_t *filter_x = filter[x0_q4]; \ + assert(w <= 64); \ + assert(h <= 64); \ + if (x_step_q4 == 16 && y_step_q4 == 16) { \ + if ((filter_x[0] | filter_x[1] | filter_x[6] | filter_x[7]) || \ + filter_x[3] == 128) { \ + DECLARE_ALIGNED(16, uint16_t, fdata2[64 * 71] VPX_UNINITIALIZED); \ + vpx_highbd_convolve8_horiz_##opt(src - 3 * src_stride, src_stride, \ + fdata2, 64, filter, x0_q4, x_step_q4, \ + y0_q4, y_step_q4, w, h + 7, bd); \ + vpx_highbd_convolve8_##avg##vert_##opt( \ + fdata2 + 192, 64, dst, dst_stride, filter, x0_q4, x_step_q4, \ + y0_q4, y_step_q4, w, h, bd); \ + } else if (filter_x[2] | filter_x[5]) { \ + const int num_taps = is_avg ? 8 : 4; \ + DECLARE_ALIGNED(16, uint16_t, fdata2[64 * 71] VPX_UNINITIALIZED); \ + vpx_highbd_convolve8_horiz_##opt( \ + src - (num_taps / 2 - 1) * src_stride, src_stride, fdata2, 64, \ + filter, x0_q4, x_step_q4, y0_q4, y_step_q4, w, h + num_taps - 1, \ + bd); \ + vpx_highbd_convolve8_##avg##vert_##opt( \ + fdata2 + 64 * (num_taps / 2 - 1), 64, dst, dst_stride, filter, \ + x0_q4, x_step_q4, y0_q4, y_step_q4, w, h, bd); \ + } else { \ + DECLARE_ALIGNED(16, uint16_t, fdata2[64 * 65] VPX_UNINITIALIZED); \ + vpx_highbd_convolve8_horiz_##opt(src, src_stride, fdata2, 64, filter, \ + x0_q4, x_step_q4, y0_q4, y_step_q4, \ + w, h + 1, bd); \ + vpx_highbd_convolve8_##avg##vert_##opt(fdata2, 64, dst, dst_stride, \ + filter, x0_q4, x_step_q4, \ + y0_q4, y_step_q4, w, h, bd); \ + } \ + } else { \ + vpx_highbd_convolve8_##avg##c(src, src_stride, dst, dst_stride, filter, \ + x0_q4, x_step_q4, y0_q4, y_step_q4, w, h, \ + bd); \ + } \ + } + +#endif // CONFIG_VP9_HIGHBITDEPTH +#endif // VPX_VPX_DSP_X86_CONVOLVE_H_ |