Showing the changes to libavfilter (4 of 4 files). Show all
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| @@ -395,8 +395,7 @@ OBJS-$(CONFIG_ROTATE_FILTER) += vf_rotate.o · 394 unmodified lines | ||
| 395 | 395 | OBJS-$(CONFIG_SAB_FILTER) += vf_sab.o |
| 396 | 396 | OBJS-$(CONFIG_SCALE_FILTER) += vf_scale.o scale_eval.o |
| 397 | 397 | OBJS-$(CONFIG_SCALE_CUDA_FILTER) += vf_scale_cuda.o scale_eval.o \ |
| 398 | − vf_scale_cuda.ptx.o vf_scale_cuda_bicubic.ptx.o \ | |
| 399 | − cuda/load_helper.o | |
| 398 | + vf_scale_cuda.ptx.o cuda/load_helper.o | |
| 400 | 399 | OBJS-$(CONFIG_SCALE_NPP_FILTER) += vf_scale_npp.o scale_eval.o |
| 401 | 400 | OBJS-$(CONFIG_SCALE_QSV_FILTER) += vf_scale_qsv.o |
| 402 | 401 | OBJS-$(CONFIG_SCALE_VAAPI_FILTER) += vf_scale_vaapi.o scale_eval.o vaapi_vpp.o |
| @@ -276,41 +276,29 @@ static av_cold int cudascale_config_props(AVFilterLink *outlink) · 275 unmodified lines | ||
| 276 | 276 | int w, h; |
| 277 | 277 | int ret; |
| 278 | 278 | |
| 279 | − const unsigned char *scaler_ptx; | |
| 280 | − unsigned int scaler_ptx_len; | |
| 281 | 279 | const char *function_infix = ""; |
| 282 | 280 | |
| 283 | 281 | extern const unsigned char ff_vf_scale_cuda_ptx_data[]; |
| 284 | 282 | extern const unsigned int ff_vf_scale_cuda_ptx_len; |
| 285 | − extern const unsigned char ff_vf_scale_cuda_bicubic_ptx_data[]; | |
| 286 | − extern const unsigned int ff_vf_scale_cuda_bicubic_ptx_len; | |
| 287 | 283 | |
| 288 | 284 | switch(s->interp_algo) { |
| 289 | 285 | case INTERP_ALGO_NEAREST: |
| 290 | − scaler_ptx = ff_vf_scale_cuda_ptx_data; | |
| 291 | − scaler_ptx_len = ff_vf_scale_cuda_ptx_len; | |
| 292 | 286 | function_infix = "_Nearest"; |
| 293 | 287 | s->interp_use_linear = 0; |
| 294 | 288 | s->interp_as_integer = 1; |
| 295 | 289 | break; |
| 296 | 290 | case INTERP_ALGO_BILINEAR: |
| 297 | − scaler_ptx = ff_vf_scale_cuda_ptx_data; | |
| 298 | − scaler_ptx_len = ff_vf_scale_cuda_ptx_len; | |
| 299 | 291 | function_infix = "_Bilinear"; |
| 300 | 292 | s->interp_use_linear = 1; |
| 301 | 293 | s->interp_as_integer = 1; |
| 302 | 294 | break; |
| 303 | 295 | case INTERP_ALGO_DEFAULT: |
| 304 | 296 | case INTERP_ALGO_BICUBIC: |
| 305 | − scaler_ptx = ff_vf_scale_cuda_bicubic_ptx_data; | |
| 306 | − scaler_ptx_len = ff_vf_scale_cuda_bicubic_ptx_len; | |
| 307 | 297 | function_infix = "_Bicubic"; |
| 308 | 298 | s->interp_use_linear = 0; |
| 309 | 299 | s->interp_as_integer = 0; |
| 310 | 300 | break; |
| 311 | 301 | case INTERP_ALGO_LANCZOS: |
| 312 | − scaler_ptx = ff_vf_scale_cuda_bicubic_ptx_data; | |
| 313 | − scaler_ptx_len = ff_vf_scale_cuda_bicubic_ptx_len; | |
| 314 | 302 | function_infix = "_Lanczos"; |
| 315 | 303 | s->interp_use_linear = 0; |
| 316 | 304 | s->interp_as_integer = 0; |
| @@ -327,7 +315,8 @@ static av_cold int cudascale_config_props(AVFilterLink *outlink) · 10 unmodified lines | ||
| 327 | 315 | if (ret < 0) |
| 328 | 316 | goto fail; |
| 329 | 317 | |
| 330 | − ret = ff_cuda_load_module(ctx, device_hwctx, &s->cu_module, scaler_ptx, scaler_ptx_len); | |
| 318 | + ret = ff_cuda_load_module(ctx, device_hwctx, &s->cu_module, | |
| 319 | + ff_vf_scale_cuda_ptx_data, ff_vf_scale_cuda_ptx_len); | |
| 331 | 320 | if (ret < 0) |
| 332 | 321 | goto fail; |
| 333 | 322 | |
| @@ -1,5 +1,5 @@ | ||
| 1 | 1 | /* |
| 2 | − * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. | |
| 2 | + * This file is part of FFmpeg. | |
| 3 | 3 | * |
| 4 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | 5 | * copy of this software and associated documentation files (the "Software"), |
| @@ -21,6 +21,55 @@ · 15 unmodified lines | ||
| 21 | 21 | */ |
| 22 | 22 | |
| 23 | 23 | #include "cuda/vector_helpers.cuh" |
| 24 | +#include "vf_scale_cuda.h" | |
| 25 | + | |
| 26 | +typedef float4 (*coeffs_function_t)(float, float); | |
| 27 | + | |
| 28 | +__device__ inline float4 lanczos_coeffs(float x, float param) | |
| 29 | +{ | |
| 30 | + const float pi = 3.141592654f; | |
| 31 | + | |
| 32 | + float4 res = make_float4( | |
| 33 | + pi * (x + 1), | |
| 34 | + pi * x, | |
| 35 | + pi * (x - 1), | |
| 36 | + pi * (x - 2)); | |
| 37 | + | |
| 38 | + res.x = res.x == 0.0f ? 1.0f : | |
| 39 | + __sinf(res.x) * __sinf(res.x / 2.0f) / (res.x * res.x / 2.0f); | |
| 40 | + res.y = res.y == 0.0f ? 1.0f : | |
| 41 | + __sinf(res.y) * __sinf(res.y / 2.0f) / (res.y * res.y / 2.0f); | |
| 42 | + res.z = res.z == 0.0f ? 1.0f : | |
| 43 | + __sinf(res.z) * __sinf(res.z / 2.0f) / (res.z * res.z / 2.0f); | |
| 44 | + res.w = res.w == 0.0f ? 1.0f : | |
| 45 | + __sinf(res.w) * __sinf(res.w / 2.0f) / (res.w * res.w / 2.0f); | |
| 46 | + | |
| 47 | + return res / (res.x + res.y + res.z + res.w); | |
| 48 | +} | |
| 49 | + | |
| 50 | +__device__ inline float4 bicubic_coeffs(float x, float param) | |
| 51 | +{ | |
| 52 | + const float A = param == SCALE_CUDA_PARAM_DEFAULT ? 0.0f : -param; | |
| 53 | + | |
| 54 | + float4 res; | |
| 55 | + res.x = ((A * (x + 1) - 5 * A) * (x + 1) + 8 * A) * (x + 1) - 4 * A; | |
| 56 | + res.y = ((A + 2) * x - (A + 3)) * x * x + 1; | |
| 57 | + res.z = ((A + 2) * (1 - x) - (A + 3)) * (1 - x) * (1 - x) + 1; | |
| 58 | + res.w = 1.0f - res.x - res.y - res.z; | |
| 59 | + | |
| 60 | + return res; | |
| 61 | +} | |
| 62 | + | |
| 63 | +template<typename V> | |
| 64 | +__device__ inline V apply_coeffs(float4 coeffs, V c0, V c1, V c2, V c3) | |
| 65 | +{ | |
| 66 | + V res = c0 * coeffs.x; | |
| 67 | + res += c1 * coeffs.y; | |
| 68 | + res += c2 * coeffs.z; | |
| 69 | + res += c3 * coeffs.w; | |
| 70 | + | |
| 71 | + return res; | |
| 72 | +} | |
| 24 | 73 | |
| 25 | 74 | template<typename T> |
| 26 | 75 | __device__ inline void Subsample_Nearest(cudaTextureObject_t tex, |
| @@ -76,6 +125,48 @@ __device__ inline void Subsample_Bilinear(cudaTextureObject_t tex, · 49 unmodified lines | ||
| 76 | 125 | } |
| 77 | 126 | } |
| 78 | 127 | |
| 128 | +template<typename T> | |
| 129 | +__device__ inline void Subsample_Bicubic(coeffs_function_t coeffs_function, | |
| 130 | + cudaTextureObject_t tex, | |
| 131 | + T *dst, | |
| 132 | + int dst_width, int dst_height, int dst_pitch, | |
| 133 | + int src_width, int src_height, | |
| 134 | + int bit_depth, float param) | |
| 135 | +{ | |
| 136 | + int xo = blockIdx.x * blockDim.x + threadIdx.x; | |
| 137 | + int yo = blockIdx.y * blockDim.y + threadIdx.y; | |
| 138 | + | |
| 139 | + if (yo < dst_height && xo < dst_width) | |
| 140 | + { | |
| 141 | + float hscale = (float)src_width / (float)dst_width; | |
| 142 | + float vscale = (float)src_height / (float)dst_height; | |
| 143 | + float xi = (xo + 0.5f) * hscale - 0.5f; | |
| 144 | + float yi = (yo + 0.5f) * vscale - 0.5f; | |
| 145 | + float px = floor(xi); | |
| 146 | + float py = floor(yi); | |
| 147 | + float fx = xi - px; | |
| 148 | + float fy = yi - py; | |
| 149 | + | |
| 150 | + float factor = bit_depth > 8 ? 0xFFFF : 0xFF; | |
| 151 | + | |
| 152 | + float4 coeffsX = coeffs_function(fx, param); | |
| 153 | + float4 coeffsY = coeffs_function(fy, param); | |
| 154 | + | |
| 155 | +#define PIX(x, y) tex2D<floatT>(tex, (x), (y)) | |
| 156 | + | |
| 157 | + dst[yo * dst_pitch + xo] = from_floatN<T, floatT>( | |
| 158 | + apply_coeffs<floatT>(coeffsY, | |
| 159 | + apply_coeffs<floatT>(coeffsX, PIX(px - 1, py - 1), PIX(px, py - 1), PIX(px + 1, py - 1), PIX(px + 2, py - 1)), | |
| 160 | + apply_coeffs<floatT>(coeffsX, PIX(px - 1, py ), PIX(px, py ), PIX(px + 1, py ), PIX(px + 2, py )), | |
| 161 | + apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 1), PIX(px, py + 1), PIX(px + 1, py + 1), PIX(px + 2, py + 1)), | |
| 162 | + apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 2), PIX(px, py + 2), PIX(px + 1, py + 2), PIX(px + 2, py + 2)) | |
| 163 | + ) * factor | |
| 164 | + ); | |
| 165 | + | |
| 166 | +#undef PIX | |
| 167 | + } | |
| 168 | +} | |
| 169 | + | |
| 79 | 170 | extern "C" { |
| 80 | 171 | |
| 81 | 172 | #define NEAREST_KERNEL(T) \ |
| @@ -120,4 +211,47 @@ BILINEAR_KERNEL(ushort) · 38 unmodified lines | ||
| 120 | 211 | BILINEAR_KERNEL(ushort2) |
| 121 | 212 | BILINEAR_KERNEL(ushort4) |
| 122 | 213 | |
| 214 | +#define BICUBIC_KERNEL(T) \ | |
| 215 | + __global__ void Subsample_Bicubic_ ## T(cudaTextureObject_t src_tex, \ | |
| 216 | + T *dst, \ | |
| 217 | + int dst_width, int dst_height, int dst_pitch, \ | |
| 218 | + int src_width, int src_height, \ | |
| 219 | + int bit_depth, float param) \ | |
| 220 | + { \ | |
| 221 | + Subsample_Bicubic<T>(&bicubic_coeffs, src_tex, dst, \ | |
| 222 | + dst_width, dst_height, dst_pitch, \ | |
| 223 | + src_width, src_height, \ | |
| 224 | + bit_depth, param); \ | |
| 225 | + } | |
| 226 | + | |
| 227 | +BICUBIC_KERNEL(uchar) | |
| 228 | +BICUBIC_KERNEL(uchar2) | |
| 229 | +BICUBIC_KERNEL(uchar4) | |
| 230 | + | |
| 231 | +BICUBIC_KERNEL(ushort) | |
| 232 | +BICUBIC_KERNEL(ushort2) | |
| 233 | +BICUBIC_KERNEL(ushort4) | |
| 234 | + | |
| 235 | + | |
| 236 | +#define LANCZOS_KERNEL(T) \ | |
| 237 | + __global__ void Subsample_Lanczos_ ## T(cudaTextureObject_t src_tex, \ | |
| 238 | + T *dst, \ | |
| 239 | + int dst_width, int dst_height, int dst_pitch, \ | |
| 240 | + int src_width, int src_height, \ | |
| 241 | + int bit_depth, float param) \ | |
| 242 | + { \ | |
| 243 | + Subsample_Bicubic<T>(&lanczos_coeffs, src_tex, dst, \ | |
| 244 | + dst_width, dst_height, dst_pitch, \ | |
| 245 | + src_width, src_height, \ | |
| 246 | + bit_depth, param); \ | |
| 247 | + } | |
| 248 | + | |
| 249 | +LANCZOS_KERNEL(uchar) | |
| 250 | +LANCZOS_KERNEL(uchar2) | |
| 251 | +LANCZOS_KERNEL(uchar4) | |
| 252 | + | |
| 253 | +LANCZOS_KERNEL(ushort) | |
| 254 | +LANCZOS_KERNEL(ushort2) | |
| 255 | +LANCZOS_KERNEL(ushort4) | |
| 256 | + | |
| 123 | 257 | } |
| @@ -1,224 +0,0 @@ | ||
| 1 | −/* | |
| 2 | − * This file is part of FFmpeg. | |
| 3 | − * | |
| 4 | − * Permission is hereby granted, free of charge, to any person obtaining a | |
| 5 | − * copy of this software and associated documentation files (the "Software"), | |
| 6 | − * to deal in the Software without restriction, including without limitation | |
| 7 | − * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| 8 | − * and/or sell copies of the Software, and to permit persons to whom the | |
| 9 | − * Software is furnished to do so, subject to the following conditions: | |
| 10 | − * | |
| 11 | − * The above copyright notice and this permission notice shall be included in | |
| 12 | − * all copies or substantial portions of the Software. | |
| 13 | − * | |
| 14 | − * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 15 | − * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 16 | − * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 17 | − * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| 18 | − * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
| 19 | − * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
| 20 | − * DEALINGS IN THE SOFTWARE. | |
| 21 | − */ | |
| 22 | − | |
| 23 | −#include "cuda/vector_helpers.cuh" | |
| 24 | −#include "vf_scale_cuda.h" | |
| 25 | − | |
| 26 | −typedef float4 (*coeffs_function_t)(float, float); | |
| 27 | − | |
| 28 | −__device__ inline float4 lanczos_coeffs(float x, float param) | |
| 29 | −{ | |
| 30 | − const float pi = 3.141592654f; | |
| 31 | − | |
| 32 | − float4 res = make_float4( | |
| 33 | − pi * (x + 1), | |
| 34 | − pi * x, | |
| 35 | − pi * (x - 1), | |
| 36 | − pi * (x - 2)); | |
| 37 | − | |
| 38 | − res.x = res.x == 0.0f ? 1.0f : | |
| 39 | − __sinf(res.x) * __sinf(res.x / 2.0f) / (res.x * res.x / 2.0f); | |
| 40 | − res.y = res.y == 0.0f ? 1.0f : | |
| 41 | − __sinf(res.y) * __sinf(res.y / 2.0f) / (res.y * res.y / 2.0f); | |
| 42 | − res.z = res.z == 0.0f ? 1.0f : | |
| 43 | − __sinf(res.z) * __sinf(res.z / 2.0f) / (res.z * res.z / 2.0f); | |
| 44 | − res.w = res.w == 0.0f ? 1.0f : | |
| 45 | − __sinf(res.w) * __sinf(res.w / 2.0f) / (res.w * res.w / 2.0f); | |
| 46 | − | |
| 47 | − return res / (res.x + res.y + res.z + res.w); | |
| 48 | −} | |
| 49 | − | |
| 50 | −__device__ inline float4 bicubic_coeffs(float x, float param) | |
| 51 | −{ | |
| 52 | − const float A = param == SCALE_CUDA_PARAM_DEFAULT ? 0.0f : -param; | |
| 53 | − | |
| 54 | − float4 res; | |
| 55 | − res.x = ((A * (x + 1) - 5 * A) * (x + 1) + 8 * A) * (x + 1) - 4 * A; | |
| 56 | − res.y = ((A + 2) * x - (A + 3)) * x * x + 1; | |
| 57 | − res.z = ((A + 2) * (1 - x) - (A + 3)) * (1 - x) * (1 - x) + 1; | |
| 58 | − res.w = 1.0f - res.x - res.y - res.z; | |
| 59 | − | |
| 60 | − return res; | |
| 61 | −} | |
| 62 | − | |
| 63 | −__device__ inline void derived_fast_coeffs(float4 coeffs, float x, float *h0, float *h1, float *s) | |
| 64 | −{ | |
| 65 | − float g0 = coeffs.x + coeffs.y; | |
| 66 | − float g1 = coeffs.z + coeffs.w; | |
| 67 | − | |
| 68 | − *h0 = coeffs.y / g0 - 0.5f; | |
| 69 | − *h1 = coeffs.w / g1 + 1.5f; | |
| 70 | − *s = g0 / (g0 + g1); | |
| 71 | −} | |
| 72 | − | |
| 73 | −template<typename V> | |
| 74 | −__device__ inline V apply_coeffs(float4 coeffs, V c0, V c1, V c2, V c3) | |
| 75 | −{ | |
| 76 | − V res = c0 * coeffs.x; | |
| 77 | − res += c1 * coeffs.y; | |
| 78 | − res += c2 * coeffs.z; | |
| 79 | − res += c3 * coeffs.w; | |
| 80 | − | |
| 81 | − return res; | |
| 82 | −} | |
| 83 | − | |
| 84 | −template<typename T> | |
| 85 | −__device__ inline void Subsample_Bicubic(coeffs_function_t coeffs_function, | |
| 86 | − cudaTextureObject_t src_tex, | |
| 87 | − T *dst, | |
| 88 | − int dst_width, int dst_height, int dst_pitch, | |
| 89 | − int src_width, int src_height, | |
| 90 | − int bit_depth, float param) | |
| 91 | −{ | |
| 92 | − int xo = blockIdx.x * blockDim.x + threadIdx.x; | |
| 93 | − int yo = blockIdx.y * blockDim.y + threadIdx.y; | |
| 94 | − | |
| 95 | − if (yo < dst_height && xo < dst_width) | |
| 96 | − { | |
| 97 | − float hscale = (float)src_width / (float)dst_width; | |
| 98 | − float vscale = (float)src_height / (float)dst_height; | |
| 99 | − float xi = (xo + 0.5f) * hscale - 0.5f; | |
| 100 | − float yi = (yo + 0.5f) * vscale - 0.5f; | |
| 101 | − float px = floor(xi); | |
| 102 | − float py = floor(yi); | |
| 103 | − float fx = xi - px; | |
| 104 | − float fy = yi - py; | |
| 105 | − | |
| 106 | − float factor = bit_depth > 8 ? 0xFFFF : 0xFF; | |
| 107 | − | |
| 108 | − float4 coeffsX = coeffs_function(fx, param); | |
| 109 | − float4 coeffsY = coeffs_function(fy, param); | |
| 110 | − | |
| 111 | −#define PIX(x, y) tex2D<floatT>(src_tex, (x), (y)) | |
| 112 | − | |
| 113 | − dst[yo * dst_pitch + xo] = from_floatN<T, floatT>( | |
| 114 | − apply_coeffs<floatT>(coeffsY, | |
| 115 | − apply_coeffs<floatT>(coeffsX, PIX(px - 1, py - 1), PIX(px, py - 1), PIX(px + 1, py - 1), PIX(px + 2, py - 1)), | |
| 116 | − apply_coeffs<floatT>(coeffsX, PIX(px - 1, py ), PIX(px, py ), PIX(px + 1, py ), PIX(px + 2, py )), | |
| 117 | − apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 1), PIX(px, py + 1), PIX(px + 1, py + 1), PIX(px + 2, py + 1)), | |
| 118 | − apply_coeffs<floatT>(coeffsX, PIX(px - 1, py + 2), PIX(px, py + 2), PIX(px + 1, py + 2), PIX(px + 2, py + 2)) | |
| 119 | − ) * factor | |
| 120 | − ); | |
| 121 | − | |
| 122 | −#undef PIX | |
| 123 | − } | |
| 124 | −} | |
| 125 | − | |
| 126 | −/* This does not yield correct results. Most likely because of low internal precision in tex2D linear interpolation */ | |
| 127 | −template<typename T> | |
| 128 | −__device__ inline void Subsample_FastBicubic(coeffs_function_t coeffs_function, | |
| 129 | − cudaTextureObject_t src_tex, | |
| 130 | − T *dst, | |
| 131 | − int dst_width, int dst_height, int dst_pitch, | |
| 132 | − int src_width, int src_height, | |
| 133 | − int bit_depth, float param) | |
| 134 | −{ | |
| 135 | − int xo = blockIdx.x * blockDim.x + threadIdx.x; | |
| 136 | − int yo = blockIdx.y * blockDim.y + threadIdx.y; | |
| 137 | − | |
| 138 | − if (yo < dst_height && xo < dst_width) | |
| 139 | − { | |
| 140 | − float hscale = (float)src_width / (float)dst_width; | |
| 141 | − float vscale = (float)src_height / (float)dst_height; | |
| 142 | − float xi = (xo + 0.5f) * hscale - 0.5f; | |
| 143 | − float yi = (yo + 0.5f) * vscale - 0.5f; | |
| 144 | − float px = floor(xi); | |
| 145 | − float py = floor(yi); | |
| 146 | − float fx = xi - px; | |
| 147 | − float fy = yi - py; | |
| 148 | − | |
| 149 | − float factor = bit_depth > 8 ? 0xFFFF : 0xFF; | |
| 150 | − | |
| 151 | − float4 coeffsX = coeffs_function(fx, param); | |
| 152 | − float4 coeffsY = coeffs_function(fy, param); | |
| 153 | − | |
| 154 | − float h0x, h1x, sx; | |
| 155 | − float h0y, h1y, sy; | |
| 156 | − derived_fast_coeffs(coeffsX, fx, &h0x, &h1x, &sx); | |
| 157 | − derived_fast_coeffs(coeffsY, fy, &h0y, &h1y, &sy); | |
| 158 | − | |
| 159 | −#define PIX(x, y) tex2D<floatT>(src_tex, (x), (y)) | |
| 160 | − | |
| 161 | − floatT pix[4] = { | |
| 162 | − PIX(px + h0x, py + h0y), | |
| 163 | − PIX(px + h1x, py + h0y), | |
| 164 | − PIX(px + h0x, py + h1y), | |
| 165 | − PIX(px + h1x, py + h1y) | |
| 166 | − }; | |
| 167 | − | |
| 168 | −#undef PIX | |
| 169 | − | |
| 170 | − dst[yo * dst_pitch + xo] = from_floatN<T, floatT>( | |
| 171 | − lerp_scalar( | |
| 172 | − lerp_scalar(pix[3], pix[2], sx), | |
| 173 | − lerp_scalar(pix[1], pix[0], sx), | |
| 174 | − sy) * factor | |
| 175 | − ); | |
| 176 | − } | |
| 177 | −} | |
| 178 | − | |
| 179 | −extern "C" { | |
| 180 | − | |
| 181 | −#define BICUBIC_KERNEL(T) \ | |
| 182 | − __global__ void Subsample_Bicubic_ ## T(cudaTextureObject_t src_tex, \ | |
| 183 | − T *dst, \ | |
| 184 | − int dst_width, int dst_height, int dst_pitch, \ | |
| 185 | − int src_width, int src_height, \ | |
| 186 | − int bit_depth, float param) \ | |
| 187 | − { \ | |
| 188 | − Subsample_Bicubic<T>(&bicubic_coeffs, src_tex, dst, \ | |
| 189 | − dst_width, dst_height, dst_pitch, \ | |
| 190 | − src_width, src_height, \ | |
| 191 | − bit_depth, param); \ | |
| 192 | − } | |
| 193 | − | |
| 194 | −BICUBIC_KERNEL(uchar) | |
| 195 | −BICUBIC_KERNEL(uchar2) | |
| 196 | −BICUBIC_KERNEL(uchar4) | |
| 197 | − | |
| 198 | −BICUBIC_KERNEL(ushort) | |
| 199 | −BICUBIC_KERNEL(ushort2) | |
| 200 | −BICUBIC_KERNEL(ushort4) | |
| 201 | − | |
| 202 | − | |
| 203 | −#define LANCZOS_KERNEL(T) \ | |
| 204 | − __global__ void Subsample_Lanczos_ ## T(cudaTextureObject_t src_tex, \ | |
| 205 | − T *dst, \ | |
| 206 | − int dst_width, int dst_height, int dst_pitch, \ | |
| 207 | − int src_width, int src_height, \ | |
| 208 | − int bit_depth, float param) \ | |
| 209 | − { \ | |
| 210 | − Subsample_Bicubic<T>(&lanczos_coeffs, src_tex, dst, \ | |
| 211 | − dst_width, dst_height, dst_pitch, \ | |
| 212 | − src_width, src_height, \ | |
| 213 | − bit_depth, param); \ | |
| 214 | − } | |
| 215 | − | |
| 216 | −LANCZOS_KERNEL(uchar) | |
| 217 | −LANCZOS_KERNEL(uchar2) | |
| 218 | −LANCZOS_KERNEL(uchar4) | |
| 219 | − | |
| 220 | −LANCZOS_KERNEL(ushort) | |
| 221 | −LANCZOS_KERNEL(ushort2) | |
| 222 | −LANCZOS_KERNEL(ushort4) | |
| 223 | − | |
| 224 | −} | |