| 1 | /* Copyright (C) 2010-2020 The RetroArch team |
| 2 | * |
| 3 | * --------------------------------------------------------------------------------------- |
| 4 | * The following license statement only applies to this file (video_frame.h). |
| 5 | * --------------------------------------------------------------------------------------- |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, |
| 8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation the rights to |
| 10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
| 16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| 19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef _LIBRETRO_SDK_VIDEO_FRAME_H |
| 24 | #define _LIBRETRO_SDK_VIDEO_FRAME_H |
| 25 | |
| 26 | #include <stdint.h> |
| 27 | #include <retro_common_api.h> |
| 28 | #include <retro_inline.h> |
| 29 | |
| 30 | #include <gfx/scaler/scaler.h> |
| 31 | |
| 32 | #include <libretro.h> |
| 33 | |
| 34 | RETRO_BEGIN_DECLS |
| 35 | |
| 36 | #define scaler_ctx_scale_direct(ctx, output, input) \ |
| 37 | { \ |
| 38 | if (ctx && ctx->unscaled && ctx->direct_pixconv) \ |
| 39 | /* Just perform straight pixel conversion. */ \ |
| 40 | ctx->direct_pixconv(output, input, \ |
| 41 | ctx->out_width, ctx->out_height, \ |
| 42 | ctx->out_stride, ctx->in_stride); \ |
| 43 | else \ |
| 44 | scaler_ctx_scale(ctx, output, input); \ |
| 45 | } |
| 46 | |
| 47 | static INLINE void video_frame_convert_rgb16_to_rgb32( |
| 48 | struct scaler_ctx *scaler, |
| 49 | void *output, |
| 50 | const void *input, |
| 51 | int width, int height, |
| 52 | int in_pitch) |
| 53 | { |
| 54 | if (width != scaler->in_width || height != scaler->in_height) |
| 55 | { |
| 56 | scaler->in_width = width; |
| 57 | scaler->in_height = height; |
| 58 | scaler->out_width = width; |
| 59 | scaler->out_height = height; |
| 60 | scaler->in_fmt = SCALER_FMT_RGB565; |
| 61 | scaler->out_fmt = SCALER_FMT_ARGB8888; |
| 62 | scaler->scaler_type = SCALER_TYPE_POINT; |
| 63 | scaler_ctx_gen_filter(scaler); |
| 64 | } |
| 65 | |
| 66 | scaler->in_stride = in_pitch; |
| 67 | scaler->out_stride = width * sizeof(uint32_t); |
| 68 | |
| 69 | scaler_ctx_scale_direct(scaler, output, input); |
| 70 | } |
| 71 | |
| 72 | static INLINE void video_frame_scale( |
| 73 | struct scaler_ctx *scaler, |
| 74 | void *output, |
| 75 | const void *input, |
| 76 | enum scaler_pix_fmt format, |
| 77 | unsigned scaler_width, |
| 78 | unsigned scaler_height, |
| 79 | unsigned scaler_pitch, |
| 80 | unsigned width, |
| 81 | unsigned height, |
| 82 | unsigned pitch) |
| 83 | { |
| 84 | if ( |
| 85 | width != (unsigned)scaler->in_width |
| 86 | || height != (unsigned)scaler->in_height |
| 87 | || format != scaler->in_fmt |
| 88 | || pitch != (unsigned)scaler->in_stride |
| 89 | ) |
| 90 | { |
| 91 | scaler->in_fmt = format; |
| 92 | scaler->in_width = width; |
| 93 | scaler->in_height = height; |
| 94 | scaler->in_stride = pitch; |
| 95 | |
| 96 | scaler->out_width = scaler_width; |
| 97 | scaler->out_height = scaler_height; |
| 98 | scaler->out_stride = scaler_pitch; |
| 99 | |
| 100 | scaler_ctx_gen_filter(scaler); |
| 101 | } |
| 102 | |
| 103 | scaler_ctx_scale_direct(scaler, output, input); |
| 104 | } |
| 105 | |
| 106 | static INLINE void video_frame_record_scale( |
| 107 | struct scaler_ctx *scaler, |
| 108 | void *output, |
| 109 | const void *input, |
| 110 | unsigned scaler_width, |
| 111 | unsigned scaler_height, |
| 112 | unsigned scaler_pitch, |
| 113 | unsigned width, |
| 114 | unsigned height, |
| 115 | unsigned pitch, |
| 116 | bool bilinear) |
| 117 | { |
| 118 | if ( |
| 119 | width != (unsigned)scaler->in_width |
| 120 | || height != (unsigned)scaler->in_height |
| 121 | ) |
| 122 | { |
| 123 | scaler->in_width = width; |
| 124 | scaler->in_height = height; |
| 125 | scaler->in_stride = pitch; |
| 126 | |
| 127 | scaler->scaler_type = bilinear ? |
| 128 | SCALER_TYPE_BILINEAR : SCALER_TYPE_POINT; |
| 129 | |
| 130 | scaler->out_width = scaler_width; |
| 131 | scaler->out_height = scaler_height; |
| 132 | scaler->out_stride = scaler_pitch; |
| 133 | |
| 134 | scaler_ctx_gen_filter(scaler); |
| 135 | } |
| 136 | |
| 137 | scaler_ctx_scale_direct(scaler, output, input); |
| 138 | } |
| 139 | |
| 140 | static INLINE void video_frame_convert_argb8888_to_abgr8888( |
| 141 | struct scaler_ctx *scaler, |
| 142 | void *output, const void *input, |
| 143 | int width, int height, int in_pitch) |
| 144 | { |
| 145 | if (width != scaler->in_width || height != scaler->in_height) |
| 146 | { |
| 147 | scaler->in_width = width; |
| 148 | scaler->in_height = height; |
| 149 | scaler->out_width = width; |
| 150 | scaler->out_height = height; |
| 151 | scaler->in_fmt = SCALER_FMT_ARGB8888; |
| 152 | scaler->out_fmt = SCALER_FMT_ABGR8888; |
| 153 | scaler->scaler_type = SCALER_TYPE_POINT; |
| 154 | scaler_ctx_gen_filter(scaler); |
| 155 | } |
| 156 | |
| 157 | scaler->in_stride = in_pitch; |
| 158 | scaler->out_stride = width * sizeof(uint32_t); |
| 159 | |
| 160 | scaler_ctx_scale_direct(scaler, output, input); |
| 161 | } |
| 162 | |
| 163 | static INLINE void video_frame_convert_to_bgr24( |
| 164 | struct scaler_ctx *scaler, |
| 165 | void *output, const void *input, |
| 166 | int width, int height, int in_pitch) |
| 167 | { |
| 168 | scaler->in_width = width; |
| 169 | scaler->in_height = height; |
| 170 | scaler->out_width = width; |
| 171 | scaler->out_height = height; |
| 172 | scaler->out_fmt = SCALER_FMT_BGR24; |
| 173 | scaler->scaler_type = SCALER_TYPE_POINT; |
| 174 | |
| 175 | scaler_ctx_gen_filter(scaler); |
| 176 | |
| 177 | scaler->in_stride = in_pitch; |
| 178 | scaler->out_stride = width * 3; |
| 179 | |
| 180 | scaler_ctx_scale_direct(scaler, output, input); |
| 181 | } |
| 182 | |
| 183 | static INLINE void video_frame_convert_rgba_to_bgr( |
| 184 | const void *src_data, |
| 185 | void *dst_data, |
| 186 | unsigned width) |
| 187 | { |
| 188 | unsigned x; |
| 189 | uint8_t *dst = (uint8_t*)dst_data; |
| 190 | const uint8_t *src = (const uint8_t*)src_data; |
| 191 | |
| 192 | for (x = 0; x < width; x++, dst += 3, src += 4) |
| 193 | { |
| 194 | dst[0] = src[2]; |
| 195 | dst[1] = src[1]; |
| 196 | dst[2] = src[0]; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | static INLINE bool video_pixel_frame_scale( |
| 201 | struct scaler_ctx *scaler, |
| 202 | void *output, const void *data, |
| 203 | unsigned width, unsigned height, |
| 204 | size_t pitch) |
| 205 | { |
| 206 | scaler->in_width = width; |
| 207 | scaler->in_height = height; |
| 208 | scaler->out_width = width; |
| 209 | scaler->out_height = height; |
| 210 | scaler->in_stride = (int)pitch; |
| 211 | scaler->out_stride = width * sizeof(uint16_t); |
| 212 | |
| 213 | scaler_ctx_scale_direct(scaler, output, data); |
| 214 | |
| 215 | return true; |
| 216 | } |
| 217 | |
| 218 | RETRO_END_DECLS |
| 219 | |
| 220 | #endif |