Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 Samsung Electronics Co.Ltd |
| 3 | * Authors: |
| 4 | * Inki Dae <inki.dae@samsung.com> |
| 5 | * |
Inki Dae | be40710 | 2017-08-10 13:52:38 +0900 | [diff] [blame] | 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 12 | * |
Inki Dae | be40710 | 2017-08-10 13:52:38 +0900 | [diff] [blame] | 13 | * The above copyright notice and this permission notice (including the next |
| 14 | * paragraph) shall be included in all copies or substantial portions of the |
| 15 | * Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 21 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 22 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 23 | * OTHER DEALINGS IN THE SOFTWARE. |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 24 | */ |
| 25 | |
| 26 | #ifdef HAVE_CONFIG_H |
| 27 | #include "config.h" |
| 28 | #endif |
| 29 | |
| 30 | #include <stdlib.h> |
| 31 | #include <stdio.h> |
| 32 | #include <string.h> |
| 33 | #include <errno.h> |
Tobias Jakobi | bf666b5 | 2015-09-08 17:22:32 +0200 | [diff] [blame] | 34 | #include <assert.h> |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 35 | |
| 36 | #include <sys/mman.h> |
| 37 | #include <linux/stddef.h> |
| 38 | |
| 39 | #include <xf86drm.h> |
| 40 | |
Emil Velikov | 42465fe | 2015-04-05 15:51:59 +0100 | [diff] [blame] | 41 | #include "libdrm_macros.h" |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 42 | #include "exynos_drm.h" |
| 43 | #include "fimg2d_reg.h" |
Tobias Jakobi | 9a0949a | 2015-03-11 20:38:44 +0100 | [diff] [blame] | 44 | #include "exynos_fimg2d.h" |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 45 | |
| 46 | #define SET_BF(val, sc, si, scsa, scda, dc, di, dcsa, dcda) \ |
| 47 | val.data.src_coeff = sc; \ |
| 48 | val.data.inv_src_color_coeff = si; \ |
| 49 | val.data.src_coeff_src_a = scsa; \ |
| 50 | val.data.src_coeff_dst_a = scda; \ |
| 51 | val.data.dst_coeff = dc; \ |
| 52 | val.data.inv_dst_color_coeff = di; \ |
| 53 | val.data.dst_coeff_src_a = dcsa; \ |
| 54 | val.data.dst_coeff_dst_a = dcda; |
| 55 | |
| 56 | #define MIN(a, b) ((a) < (b) ? (a) : (b)) |
| 57 | |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 58 | #define MSG_PREFIX "exynos/fimg2d: " |
| 59 | |
Tobias Jakobi | df21b29 | 2015-09-08 17:22:34 +0200 | [diff] [blame] | 60 | #define G2D_MAX_CMD_NR 64 |
| 61 | #define G2D_MAX_GEM_CMD_NR 64 |
| 62 | #define G2D_MAX_CMD_LIST_NR 64 |
| 63 | |
| 64 | struct g2d_context { |
| 65 | int fd; |
| 66 | unsigned int major; |
| 67 | unsigned int minor; |
| 68 | struct drm_exynos_g2d_cmd cmd[G2D_MAX_CMD_NR]; |
| 69 | struct drm_exynos_g2d_cmd cmd_buf[G2D_MAX_GEM_CMD_NR]; |
| 70 | unsigned int cmd_nr; |
| 71 | unsigned int cmd_buf_nr; |
| 72 | unsigned int cmdlist_nr; |
Tobias Jakobi | 60df358 | 2015-11-30 12:12:15 +0900 | [diff] [blame] | 73 | void *event_userdata; |
Tobias Jakobi | df21b29 | 2015-09-08 17:22:34 +0200 | [diff] [blame] | 74 | }; |
| 75 | |
Tobias Jakobi | 74add49 | 2015-02-24 15:20:46 +0100 | [diff] [blame] | 76 | enum g2d_base_addr_reg { |
| 77 | g2d_dst = 0, |
| 78 | g2d_src |
| 79 | }; |
| 80 | |
Tobias Jakobi | 51fd93b | 2015-11-30 12:12:18 +0900 | [diff] [blame] | 81 | enum e_g2d_dir_mode { |
| 82 | G2D_DIR_MODE_POSITIVE = 0, |
| 83 | G2D_DIR_MODE_NEGATIVE = 1 |
| 84 | }; |
| 85 | |
| 86 | union g2d_direction_val { |
| 87 | unsigned int val[2]; |
| 88 | struct { |
| 89 | /* SRC_MSK_DIRECT_REG [0:1] (source) */ |
| 90 | enum e_g2d_dir_mode src_x_direction:1; |
| 91 | enum e_g2d_dir_mode src_y_direction:1; |
| 92 | |
| 93 | /* SRC_MSK_DIRECT_REG [2:3] */ |
| 94 | unsigned int reversed1:2; |
| 95 | |
| 96 | /* SRC_MSK_DIRECT_REG [4:5] (mask) */ |
| 97 | enum e_g2d_dir_mode mask_x_direction:1; |
| 98 | enum e_g2d_dir_mode mask_y_direction:1; |
| 99 | |
| 100 | /* SRC_MSK_DIRECT_REG [6:31] */ |
| 101 | unsigned int padding1:26; |
| 102 | |
| 103 | /* DST_PAT_DIRECT_REG [0:1] (destination) */ |
| 104 | enum e_g2d_dir_mode dst_x_direction:1; |
| 105 | enum e_g2d_dir_mode dst_y_direction:1; |
| 106 | |
| 107 | /* DST_PAT_DIRECT_REG [2:3] */ |
| 108 | unsigned int reversed2:2; |
| 109 | |
| 110 | /* DST_PAT_DIRECT_REG [4:5] (pattern) */ |
| 111 | enum e_g2d_dir_mode pat_x_direction:1; |
| 112 | enum e_g2d_dir_mode pat_y_direction:1; |
| 113 | |
| 114 | /* DST_PAT_DIRECT_REG [6:31] */ |
| 115 | unsigned int padding2:26; |
| 116 | } data; |
| 117 | }; |
| 118 | |
Tobias Jakobi | 1d7e78d | 2015-02-24 15:20:40 +0100 | [diff] [blame] | 119 | static unsigned int g2d_get_scaling(unsigned int src, unsigned int dst) |
| 120 | { |
| 121 | /* |
| 122 | * The G2D hw scaling factor is a normalized inverse of the scaling factor. |
| 123 | * For example: When source width is 100 and destination width is 200 |
| 124 | * (scaling of 2x), then the hw factor is NC * 100 / 200. |
| 125 | * The normalization factor (NC) is 2^16 = 0x10000. |
| 126 | */ |
| 127 | |
| 128 | return ((src << 16) / dst); |
| 129 | } |
| 130 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 131 | static unsigned int g2d_get_blend_op(enum e_g2d_op op) |
| 132 | { |
| 133 | union g2d_blend_func_val val; |
| 134 | |
| 135 | val.val = 0; |
| 136 | |
Tobias Jakobi | 76d1c6b | 2015-09-08 17:22:30 +0200 | [diff] [blame] | 137 | /* |
| 138 | * The switch statement is missing the default branch since |
| 139 | * we assume that the caller checks the blending operation |
| 140 | * via g2d_validate_blending_op() first. |
| 141 | */ |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 142 | switch (op) { |
| 143 | case G2D_OP_CLEAR: |
| 144 | case G2D_OP_DISJOINT_CLEAR: |
| 145 | case G2D_OP_CONJOINT_CLEAR: |
| 146 | SET_BF(val, G2D_COEFF_MODE_ZERO, 0, 0, 0, G2D_COEFF_MODE_ZERO, |
| 147 | 0, 0, 0); |
| 148 | break; |
| 149 | case G2D_OP_SRC: |
| 150 | case G2D_OP_DISJOINT_SRC: |
| 151 | case G2D_OP_CONJOINT_SRC: |
| 152 | SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0, G2D_COEFF_MODE_ZERO, |
| 153 | 0, 0, 0); |
| 154 | break; |
| 155 | case G2D_OP_DST: |
| 156 | case G2D_OP_DISJOINT_DST: |
| 157 | case G2D_OP_CONJOINT_DST: |
| 158 | SET_BF(val, G2D_COEFF_MODE_ZERO, 0, 0, 0, G2D_COEFF_MODE_ONE, |
| 159 | 0, 0, 0); |
| 160 | break; |
| 161 | case G2D_OP_OVER: |
| 162 | SET_BF(val, G2D_COEFF_MODE_ONE, 0, 0, 0, |
| 163 | G2D_COEFF_MODE_SRC_ALPHA, 1, 0, 0); |
| 164 | break; |
Tobias Jakobi | 0d48697 | 2015-02-24 16:29:38 +0100 | [diff] [blame] | 165 | case G2D_OP_INTERPOLATE: |
| 166 | SET_BF(val, G2D_COEFF_MODE_SRC_ALPHA, 0, 0, 0, |
| 167 | G2D_COEFF_MODE_SRC_ALPHA, 1, 0, 0); |
| 168 | break; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | return val.val; |
| 172 | } |
| 173 | |
| 174 | /* |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 175 | * g2d_check_space - check if command buffers have enough space left. |
| 176 | * |
| 177 | * @ctx: a pointer to g2d_context structure. |
| 178 | * @num_cmds: number of (regular) commands. |
| 179 | * @num_gem_cmds: number of GEM commands. |
| 180 | */ |
| 181 | static unsigned int g2d_check_space(const struct g2d_context *ctx, |
| 182 | unsigned int num_cmds, unsigned int num_gem_cmds) |
| 183 | { |
| 184 | if (ctx->cmd_nr + num_cmds >= G2D_MAX_CMD_NR || |
| 185 | ctx->cmd_buf_nr + num_gem_cmds >= G2D_MAX_GEM_CMD_NR) |
| 186 | return 1; |
| 187 | else |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | /* |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 192 | * g2d_validate_select_mode - validate select mode. |
| 193 | * |
| 194 | * @mode: the mode to validate |
| 195 | * |
| 196 | * Returns zero for an invalid mode and one otherwise. |
| 197 | */ |
| 198 | static int g2d_validate_select_mode( |
| 199 | enum e_g2d_select_mode mode) |
| 200 | { |
| 201 | switch (mode) { |
| 202 | case G2D_SELECT_MODE_NORMAL: |
| 203 | case G2D_SELECT_MODE_FGCOLOR: |
| 204 | case G2D_SELECT_MODE_BGCOLOR: |
| 205 | return 1; |
| 206 | } |
| 207 | |
| 208 | return 0; |
| 209 | } |
| 210 | |
| 211 | /* |
| 212 | * g2d_validate_blending_op - validate blending operation. |
| 213 | * |
| 214 | * @operation: the operation to validate |
| 215 | * |
| 216 | * Returns zero for an invalid mode and one otherwise. |
| 217 | */ |
| 218 | static int g2d_validate_blending_op( |
| 219 | enum e_g2d_op operation) |
| 220 | { |
| 221 | switch (operation) { |
| 222 | case G2D_OP_CLEAR: |
| 223 | case G2D_OP_SRC: |
| 224 | case G2D_OP_DST: |
| 225 | case G2D_OP_OVER: |
| 226 | case G2D_OP_INTERPOLATE: |
| 227 | case G2D_OP_DISJOINT_CLEAR: |
| 228 | case G2D_OP_DISJOINT_SRC: |
| 229 | case G2D_OP_DISJOINT_DST: |
| 230 | case G2D_OP_CONJOINT_CLEAR: |
| 231 | case G2D_OP_CONJOINT_SRC: |
| 232 | case G2D_OP_CONJOINT_DST: |
| 233 | return 1; |
| 234 | } |
| 235 | |
| 236 | return 0; |
| 237 | } |
| 238 | |
| 239 | /* |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 240 | * g2d_add_cmd - set given command and value to user side command buffer. |
| 241 | * |
| 242 | * @ctx: a pointer to g2d_context structure. |
| 243 | * @cmd: command data. |
| 244 | * @value: value data. |
Tobias Jakobi | bf666b5 | 2015-09-08 17:22:32 +0200 | [diff] [blame] | 245 | * |
| 246 | * The caller has to make sure that the commands buffers have enough space |
| 247 | * left to hold the command. Use g2d_check_space() to ensure this. |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 248 | */ |
Tobias Jakobi | bf666b5 | 2015-09-08 17:22:32 +0200 | [diff] [blame] | 249 | static void g2d_add_cmd(struct g2d_context *ctx, unsigned long cmd, |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 250 | unsigned long value) |
| 251 | { |
| 252 | switch (cmd & ~(G2D_BUF_USERPTR)) { |
| 253 | case SRC_BASE_ADDR_REG: |
| 254 | case SRC_PLANE2_BASE_ADDR_REG: |
| 255 | case DST_BASE_ADDR_REG: |
| 256 | case DST_PLANE2_BASE_ADDR_REG: |
| 257 | case PAT_BASE_ADDR_REG: |
| 258 | case MASK_BASE_ADDR_REG: |
Tobias Jakobi | bf666b5 | 2015-09-08 17:22:32 +0200 | [diff] [blame] | 259 | assert(ctx->cmd_buf_nr < G2D_MAX_GEM_CMD_NR); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 260 | |
| 261 | ctx->cmd_buf[ctx->cmd_buf_nr].offset = cmd; |
| 262 | ctx->cmd_buf[ctx->cmd_buf_nr].data = value; |
| 263 | ctx->cmd_buf_nr++; |
| 264 | break; |
| 265 | default: |
Tobias Jakobi | bf666b5 | 2015-09-08 17:22:32 +0200 | [diff] [blame] | 266 | assert(ctx->cmd_nr < G2D_MAX_CMD_NR); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 267 | |
| 268 | ctx->cmd[ctx->cmd_nr].offset = cmd; |
| 269 | ctx->cmd[ctx->cmd_nr].data = value; |
| 270 | ctx->cmd_nr++; |
| 271 | break; |
| 272 | } |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | /* |
Tobias Jakobi | 74add49 | 2015-02-24 15:20:46 +0100 | [diff] [blame] | 276 | * g2d_add_base_addr - helper function to set dst/src base address register. |
| 277 | * |
| 278 | * @ctx: a pointer to g2d_context structure. |
| 279 | * @img: a pointer to the dst/src g2d_image structure. |
| 280 | * @reg: the register that should be set. |
| 281 | */ |
| 282 | static void g2d_add_base_addr(struct g2d_context *ctx, struct g2d_image *img, |
| 283 | enum g2d_base_addr_reg reg) |
| 284 | { |
| 285 | const unsigned long cmd = (reg == g2d_dst) ? |
| 286 | DST_BASE_ADDR_REG : SRC_BASE_ADDR_REG; |
| 287 | |
| 288 | if (img->buf_type == G2D_IMGBUF_USERPTR) |
| 289 | g2d_add_cmd(ctx, cmd | G2D_BUF_USERPTR, |
| 290 | (unsigned long)&img->user_ptr[0]); |
| 291 | else |
| 292 | g2d_add_cmd(ctx, cmd, img->bo[0]); |
| 293 | } |
| 294 | |
| 295 | /* |
Tobias Jakobi | 51fd93b | 2015-11-30 12:12:18 +0900 | [diff] [blame] | 296 | * g2d_set_direction - setup direction register (useful for overlapping blits). |
| 297 | * |
| 298 | * @ctx: a pointer to g2d_context structure. |
| 299 | * @dir: a pointer to the g2d_direction_val structure. |
| 300 | */ |
| 301 | static void g2d_set_direction(struct g2d_context *ctx, |
| 302 | const union g2d_direction_val *dir) |
| 303 | { |
| 304 | g2d_add_cmd(ctx, SRC_MASK_DIRECT_REG, dir->val[0]); |
| 305 | g2d_add_cmd(ctx, DST_PAT_DIRECT_REG, dir->val[1]); |
| 306 | } |
| 307 | |
| 308 | /* |
Tobias Jakobi | c8168fe | 2015-02-24 15:20:41 +0100 | [diff] [blame] | 309 | * g2d_flush - submit all commands and values in user side command buffer |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 310 | * to command queue aware of fimg2d dma. |
| 311 | * |
| 312 | * @ctx: a pointer to g2d_context structure. |
| 313 | * |
| 314 | * This function should be called after all commands and values to user |
Tobias Jakobi | c8168fe | 2015-02-24 15:20:41 +0100 | [diff] [blame] | 315 | * side command buffer are set. It submits that buffer to the kernel side driver. |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 316 | */ |
| 317 | static int g2d_flush(struct g2d_context *ctx) |
| 318 | { |
| 319 | int ret; |
Tobias Jakobi | 736d6a1 | 2015-03-16 22:19:28 +0000 | [diff] [blame] | 320 | struct drm_exynos_g2d_set_cmdlist cmdlist = {0}; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 321 | |
Tobias Jakobi | f7b0586 | 2015-02-24 16:29:39 +0100 | [diff] [blame] | 322 | if (ctx->cmd_nr == 0 && ctx->cmd_buf_nr == 0) |
Tobias Jakobi | a8dc2e7 | 2015-09-08 17:22:26 +0200 | [diff] [blame] | 323 | return 0; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 324 | |
| 325 | if (ctx->cmdlist_nr >= G2D_MAX_CMD_LIST_NR) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 326 | fprintf(stderr, MSG_PREFIX "command list overflow.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 327 | return -EINVAL; |
| 328 | } |
| 329 | |
Daniel Kurtz | 4e193aa | 2014-04-17 11:54:37 +0800 | [diff] [blame] | 330 | cmdlist.cmd = (uint64_t)(uintptr_t)&ctx->cmd[0]; |
| 331 | cmdlist.cmd_buf = (uint64_t)(uintptr_t)&ctx->cmd_buf[0]; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 332 | cmdlist.cmd_nr = ctx->cmd_nr; |
| 333 | cmdlist.cmd_buf_nr = ctx->cmd_buf_nr; |
Tobias Jakobi | 60df358 | 2015-11-30 12:12:15 +0900 | [diff] [blame] | 334 | |
| 335 | if (ctx->event_userdata) { |
| 336 | cmdlist.event_type = G2D_EVENT_NONSTOP; |
| 337 | cmdlist.user_data = (uint64_t)(uintptr_t)(ctx->event_userdata); |
| 338 | ctx->event_userdata = NULL; |
| 339 | } else { |
| 340 | cmdlist.event_type = G2D_EVENT_NOT; |
| 341 | cmdlist.user_data = 0; |
| 342 | } |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 343 | |
| 344 | ctx->cmd_nr = 0; |
| 345 | ctx->cmd_buf_nr = 0; |
| 346 | |
| 347 | ret = drmIoctl(ctx->fd, DRM_IOCTL_EXYNOS_G2D_SET_CMDLIST, &cmdlist); |
| 348 | if (ret < 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 349 | fprintf(stderr, MSG_PREFIX "failed to set cmdlist.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 350 | return ret; |
| 351 | } |
| 352 | |
| 353 | ctx->cmdlist_nr++; |
| 354 | |
| 355 | return ret; |
| 356 | } |
| 357 | |
| 358 | /** |
| 359 | * g2d_init - create a new g2d context and get hardware version. |
| 360 | * |
Tobias Jakobi | c8168fe | 2015-02-24 15:20:41 +0100 | [diff] [blame] | 361 | * fd: a file descriptor to an opened drm device. |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 362 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 363 | struct g2d_context *g2d_init(int fd) |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 364 | { |
| 365 | struct drm_exynos_g2d_get_ver ver; |
| 366 | struct g2d_context *ctx; |
| 367 | int ret; |
| 368 | |
| 369 | ctx = calloc(1, sizeof(*ctx)); |
| 370 | if (!ctx) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 371 | fprintf(stderr, MSG_PREFIX "failed to allocate context.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 372 | return NULL; |
| 373 | } |
| 374 | |
| 375 | ctx->fd = fd; |
| 376 | |
| 377 | ret = drmIoctl(fd, DRM_IOCTL_EXYNOS_G2D_GET_VER, &ver); |
| 378 | if (ret < 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 379 | fprintf(stderr, MSG_PREFIX "failed to get version.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 380 | free(ctx); |
| 381 | return NULL; |
| 382 | } |
| 383 | |
| 384 | ctx->major = ver.major; |
| 385 | ctx->minor = ver.minor; |
| 386 | |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 387 | printf(MSG_PREFIX "G2D version (%d.%d).\n", ctx->major, ctx->minor); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 388 | return ctx; |
| 389 | } |
| 390 | |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 391 | void g2d_fini(struct g2d_context *ctx) |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 392 | { |
Tobias Jakobi | 53b1081 | 2015-06-12 20:15:08 +0200 | [diff] [blame] | 393 | free(ctx); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 394 | } |
| 395 | |
| 396 | /** |
Tobias Jakobi | 60df358 | 2015-11-30 12:12:15 +0900 | [diff] [blame] | 397 | * g2d_config_event - setup userdata configuration for a g2d event. |
| 398 | * The next invocation of a g2d call (e.g. g2d_solid_fill) is |
| 399 | * then going to flag the command buffer as 'nonstop'. |
| 400 | * Completion of the command buffer execution can then be |
| 401 | * determined by using drmHandleEvent on the DRM fd. |
| 402 | * The userdata is 'consumed' in the process. |
| 403 | * |
| 404 | * @ctx: a pointer to g2d_context structure. |
| 405 | * @userdata: a pointer to the user data |
| 406 | */ |
| 407 | void g2d_config_event(struct g2d_context *ctx, void *userdata) |
| 408 | { |
| 409 | ctx->event_userdata = userdata; |
| 410 | } |
| 411 | |
| 412 | /** |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 413 | * g2d_exec - start the dma to process all commands summited by g2d_flush(). |
| 414 | * |
| 415 | * @ctx: a pointer to g2d_context structure. |
| 416 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 417 | int g2d_exec(struct g2d_context *ctx) |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 418 | { |
| 419 | struct drm_exynos_g2d_exec exec; |
| 420 | int ret; |
| 421 | |
| 422 | if (ctx->cmdlist_nr == 0) |
| 423 | return -EINVAL; |
| 424 | |
| 425 | exec.async = 0; |
| 426 | |
| 427 | ret = drmIoctl(ctx->fd, DRM_IOCTL_EXYNOS_G2D_EXEC, &exec); |
| 428 | if (ret < 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 429 | fprintf(stderr, MSG_PREFIX "failed to execute.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 430 | return ret; |
| 431 | } |
| 432 | |
| 433 | ctx->cmdlist_nr = 0; |
| 434 | |
| 435 | return ret; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * g2d_solid_fill - fill given buffer with given color data. |
| 440 | * |
| 441 | * @ctx: a pointer to g2d_context structure. |
| 442 | * @img: a pointer to g2d_image structure including image and buffer |
| 443 | * information. |
| 444 | * @x: x start position to buffer filled with given color data. |
| 445 | * @y: y start position to buffer filled with given color data. |
| 446 | * @w: width value to buffer filled with given color data. |
| 447 | * @h: height value to buffer filled with given color data. |
| 448 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 449 | int |
Maarten Lankhorst | d9ce09d | 2014-08-04 11:23:52 +0200 | [diff] [blame] | 450 | g2d_solid_fill(struct g2d_context *ctx, struct g2d_image *img, |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 451 | unsigned int x, unsigned int y, unsigned int w, |
| 452 | unsigned int h) |
| 453 | { |
| 454 | union g2d_bitblt_cmd_val bitblt; |
| 455 | union g2d_point_val pt; |
| 456 | |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 457 | if (g2d_check_space(ctx, 7, 1)) |
| 458 | return -ENOSPC; |
| 459 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 460 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL); |
| 461 | g2d_add_cmd(ctx, DST_COLOR_MODE_REG, img->color_mode); |
Tobias Jakobi | 74add49 | 2015-02-24 15:20:46 +0100 | [diff] [blame] | 462 | g2d_add_base_addr(ctx, img, g2d_dst); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 463 | g2d_add_cmd(ctx, DST_STRIDE_REG, img->stride); |
| 464 | |
| 465 | if (x + w > img->width) |
| 466 | w = img->width - x; |
| 467 | if (y + h > img->height) |
| 468 | h = img->height - y; |
| 469 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 470 | pt.data.x = x; |
| 471 | pt.data.y = y; |
| 472 | g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); |
| 473 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 474 | pt.data.x = x + w; |
| 475 | pt.data.y = y + h; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 476 | g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); |
| 477 | |
| 478 | g2d_add_cmd(ctx, SF_COLOR_REG, img->color); |
| 479 | |
| 480 | bitblt.val = 0; |
| 481 | bitblt.data.fast_solid_color_fill_en = 1; |
| 482 | g2d_add_cmd(ctx, BITBLT_COMMAND_REG, bitblt.val); |
| 483 | |
Tobias Jakobi | 7da8f07 | 2015-06-12 20:15:06 +0200 | [diff] [blame] | 484 | return g2d_flush(ctx); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 485 | } |
| 486 | |
| 487 | /** |
| 488 | * g2d_copy - copy contents in source buffer to destination buffer. |
| 489 | * |
| 490 | * @ctx: a pointer to g2d_context structure. |
| 491 | * @src: a pointer to g2d_image structure including image and buffer |
| 492 | * information to source. |
| 493 | * @dst: a pointer to g2d_image structure including image and buffer |
| 494 | * information to destination. |
| 495 | * @src_x: x start position to source buffer. |
| 496 | * @src_y: y start position to source buffer. |
| 497 | * @dst_x: x start position to destination buffer. |
| 498 | * @dst_y: y start position to destination buffer. |
| 499 | * @w: width value to source and destination buffers. |
| 500 | * @h: height value to source and destination buffers. |
| 501 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 502 | int |
Maarten Lankhorst | d9ce09d | 2014-08-04 11:23:52 +0200 | [diff] [blame] | 503 | g2d_copy(struct g2d_context *ctx, struct g2d_image *src, |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 504 | struct g2d_image *dst, unsigned int src_x, unsigned int src_y, |
| 505 | unsigned int dst_x, unsigned dst_y, unsigned int w, |
| 506 | unsigned int h) |
| 507 | { |
| 508 | union g2d_rop4_val rop4; |
| 509 | union g2d_point_val pt; |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 510 | unsigned int src_w, src_h, dst_w, dst_h; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 511 | |
| 512 | src_w = w; |
| 513 | src_h = h; |
| 514 | if (src_x + src->width > w) |
| 515 | src_w = src->width - src_x; |
| 516 | if (src_y + src->height > h) |
| 517 | src_h = src->height - src_y; |
| 518 | |
| 519 | dst_w = w; |
| 520 | dst_h = w; |
| 521 | if (dst_x + dst->width > w) |
| 522 | dst_w = dst->width - dst_x; |
| 523 | if (dst_y + dst->height > h) |
| 524 | dst_h = dst->height - dst_y; |
| 525 | |
| 526 | w = MIN(src_w, dst_w); |
| 527 | h = MIN(src_h, dst_h); |
| 528 | |
| 529 | if (w <= 0 || h <= 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 530 | fprintf(stderr, MSG_PREFIX "invalid width or height.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 531 | return -EINVAL; |
| 532 | } |
| 533 | |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 534 | if (g2d_check_space(ctx, 11, 2)) |
| 535 | return -ENOSPC; |
| 536 | |
| 537 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); |
| 538 | g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); |
| 539 | g2d_add_base_addr(ctx, dst, g2d_dst); |
| 540 | g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); |
| 541 | |
| 542 | g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL); |
| 543 | g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); |
| 544 | g2d_add_base_addr(ctx, src, g2d_src); |
| 545 | g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); |
| 546 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 547 | pt.data.x = src_x; |
| 548 | pt.data.y = src_y; |
| 549 | g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 550 | pt.data.x = src_x + w; |
| 551 | pt.data.y = src_y + h; |
| 552 | g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); |
| 553 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 554 | pt.data.x = dst_x; |
| 555 | pt.data.y = dst_y; |
| 556 | g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 557 | pt.data.x = dst_x + w; |
Tobias Jakobi | 63f51fc | 2014-06-01 18:04:04 +0200 | [diff] [blame] | 558 | pt.data.y = dst_y + h; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 559 | g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); |
| 560 | |
| 561 | rop4.val = 0; |
| 562 | rop4.data.unmasked_rop3 = G2D_ROP3_SRC; |
| 563 | g2d_add_cmd(ctx, ROP4_REG, rop4.val); |
| 564 | |
Tobias Jakobi | 7da8f07 | 2015-06-12 20:15:06 +0200 | [diff] [blame] | 565 | return g2d_flush(ctx); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 566 | } |
| 567 | |
| 568 | /** |
Tobias Jakobi | 676462c | 2015-11-30 12:12:19 +0900 | [diff] [blame] | 569 | * g2d_move - copy content inside single buffer. |
| 570 | * Similar to libc's memmove() this copies a rectangular |
| 571 | * region of the provided buffer to another location, while |
| 572 | * properly handling the situation where source and |
| 573 | * destination rectangle overlap. |
| 574 | * |
| 575 | * @ctx: a pointer to g2d_context structure. |
| 576 | * @img: a pointer to g2d_image structure providing |
| 577 | * buffer information. |
| 578 | * @src_x: x position of source rectangle. |
| 579 | * @src_y: y position of source rectangle. |
| 580 | * @dst_x: x position of destination rectangle. |
| 581 | * @dst_y: y position of destination rectangle. |
| 582 | * @w: width of rectangle to move. |
| 583 | * @h: height of rectangle to move. |
| 584 | */ |
| 585 | int |
| 586 | g2d_move(struct g2d_context *ctx, struct g2d_image *img, |
| 587 | unsigned int src_x, unsigned int src_y, |
| 588 | unsigned int dst_x, unsigned dst_y, unsigned int w, |
| 589 | unsigned int h) |
| 590 | { |
| 591 | union g2d_rop4_val rop4; |
| 592 | union g2d_point_val pt; |
| 593 | union g2d_direction_val dir; |
| 594 | unsigned int src_w, src_h, dst_w, dst_h; |
| 595 | |
| 596 | src_w = w; |
| 597 | src_h = h; |
| 598 | if (src_x + img->width > w) |
| 599 | src_w = img->width - src_x; |
| 600 | if (src_y + img->height > h) |
| 601 | src_h = img->height - src_y; |
| 602 | |
| 603 | dst_w = w; |
| 604 | dst_h = w; |
| 605 | if (dst_x + img->width > w) |
| 606 | dst_w = img->width - dst_x; |
| 607 | if (dst_y + img->height > h) |
| 608 | dst_h = img->height - dst_y; |
| 609 | |
| 610 | w = MIN(src_w, dst_w); |
| 611 | h = MIN(src_h, dst_h); |
| 612 | |
| 613 | if (w == 0 || h == 0) { |
| 614 | fprintf(stderr, MSG_PREFIX "invalid width or height.\n"); |
| 615 | return -EINVAL; |
| 616 | } |
| 617 | |
| 618 | if (g2d_check_space(ctx, 13, 2)) |
| 619 | return -ENOSPC; |
| 620 | |
| 621 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); |
| 622 | g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL); |
| 623 | |
| 624 | g2d_add_cmd(ctx, DST_COLOR_MODE_REG, img->color_mode); |
| 625 | g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, img->color_mode); |
| 626 | |
| 627 | g2d_add_base_addr(ctx, img, g2d_dst); |
| 628 | g2d_add_base_addr(ctx, img, g2d_src); |
| 629 | |
| 630 | g2d_add_cmd(ctx, DST_STRIDE_REG, img->stride); |
| 631 | g2d_add_cmd(ctx, SRC_STRIDE_REG, img->stride); |
| 632 | |
| 633 | dir.val[0] = dir.val[1] = 0; |
| 634 | |
| 635 | if (dst_x >= src_x) |
| 636 | dir.data.src_x_direction = dir.data.dst_x_direction = 1; |
| 637 | if (dst_y >= src_y) |
| 638 | dir.data.src_y_direction = dir.data.dst_y_direction = 1; |
| 639 | |
| 640 | g2d_set_direction(ctx, &dir); |
| 641 | |
| 642 | pt.data.x = src_x; |
| 643 | pt.data.y = src_y; |
| 644 | g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); |
| 645 | pt.data.x = src_x + w; |
| 646 | pt.data.y = src_y + h; |
| 647 | g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); |
| 648 | |
| 649 | pt.data.x = dst_x; |
| 650 | pt.data.y = dst_y; |
| 651 | g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); |
| 652 | pt.data.x = dst_x + w; |
| 653 | pt.data.y = dst_y + h; |
| 654 | g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); |
| 655 | |
| 656 | rop4.val = 0; |
| 657 | rop4.data.unmasked_rop3 = G2D_ROP3_SRC; |
| 658 | g2d_add_cmd(ctx, ROP4_REG, rop4.val); |
| 659 | |
| 660 | return g2d_flush(ctx); |
| 661 | } |
| 662 | |
| 663 | /** |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 664 | * g2d_copy_with_scale - copy contents in source buffer to destination buffer |
| 665 | * scaling up or down properly. |
| 666 | * |
| 667 | * @ctx: a pointer to g2d_context structure. |
| 668 | * @src: a pointer to g2d_image structure including image and buffer |
| 669 | * information to source. |
| 670 | * @dst: a pointer to g2d_image structure including image and buffer |
| 671 | * information to destination. |
| 672 | * @src_x: x start position to source buffer. |
| 673 | * @src_y: y start position to source buffer. |
| 674 | * @src_w: width value to source buffer. |
| 675 | * @src_h: height value to source buffer. |
| 676 | * @dst_x: x start position to destination buffer. |
| 677 | * @dst_y: y start position to destination buffer. |
| 678 | * @dst_w: width value to destination buffer. |
| 679 | * @dst_h: height value to destination buffer. |
| 680 | * @negative: indicate that it uses color negative to source and |
| 681 | * destination buffers. |
| 682 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 683 | int |
Maarten Lankhorst | d9ce09d | 2014-08-04 11:23:52 +0200 | [diff] [blame] | 684 | g2d_copy_with_scale(struct g2d_context *ctx, struct g2d_image *src, |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 685 | struct g2d_image *dst, unsigned int src_x, |
| 686 | unsigned int src_y, unsigned int src_w, |
| 687 | unsigned int src_h, unsigned int dst_x, |
| 688 | unsigned int dst_y, unsigned int dst_w, |
| 689 | unsigned int dst_h, unsigned int negative) |
| 690 | { |
| 691 | union g2d_rop4_val rop4; |
| 692 | union g2d_point_val pt; |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 693 | unsigned int scale, repeat_pad; |
Tobias Jakobi | 1d7e78d | 2015-02-24 15:20:40 +0100 | [diff] [blame] | 694 | unsigned int scale_x, scale_y; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 695 | |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 696 | /* Sanitize this parameter to facilitate space computation below. */ |
| 697 | if (negative) |
| 698 | negative = 1; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 699 | |
| 700 | if (src_w == dst_w && src_h == dst_h) |
| 701 | scale = 0; |
| 702 | else { |
| 703 | scale = 1; |
Tobias Jakobi | 1d7e78d | 2015-02-24 15:20:40 +0100 | [diff] [blame] | 704 | scale_x = g2d_get_scaling(src_w, dst_w); |
| 705 | scale_y = g2d_get_scaling(src_h, dst_h); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 706 | } |
| 707 | |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 708 | repeat_pad = src->repeat_mode == G2D_REPEAT_MODE_PAD ? 1 : 0; |
| 709 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 710 | if (src_x + src_w > src->width) |
| 711 | src_w = src->width - src_x; |
| 712 | if (src_y + src_h > src->height) |
| 713 | src_h = src->height - src_y; |
| 714 | |
| 715 | if (dst_x + dst_w > dst->width) |
| 716 | dst_w = dst->width - dst_x; |
| 717 | if (dst_y + dst_h > dst->height) |
| 718 | dst_h = dst->height - dst_y; |
| 719 | |
| 720 | if (src_w <= 0 || src_h <= 0 || dst_w <= 0 || dst_h <= 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 721 | fprintf(stderr, MSG_PREFIX "invalid width or height.\n"); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 722 | return -EINVAL; |
| 723 | } |
| 724 | |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 725 | if (g2d_check_space(ctx, 12 + scale * 3 + negative + repeat_pad, 2)) |
| 726 | return -ENOSPC; |
| 727 | |
| 728 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); |
| 729 | g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); |
| 730 | g2d_add_base_addr(ctx, dst, g2d_dst); |
| 731 | g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); |
| 732 | |
| 733 | g2d_add_cmd(ctx, SRC_SELECT_REG, G2D_SELECT_MODE_NORMAL); |
| 734 | g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); |
| 735 | |
| 736 | g2d_add_cmd(ctx, SRC_REPEAT_MODE_REG, src->repeat_mode); |
| 737 | if (repeat_pad) |
| 738 | g2d_add_cmd(ctx, SRC_PAD_VALUE_REG, dst->color); |
| 739 | |
| 740 | g2d_add_base_addr(ctx, src, g2d_src); |
| 741 | g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); |
| 742 | |
| 743 | rop4.val = 0; |
| 744 | rop4.data.unmasked_rop3 = G2D_ROP3_SRC; |
| 745 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 746 | if (negative) { |
| 747 | g2d_add_cmd(ctx, BG_COLOR_REG, 0x00FFFFFF); |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 748 | rop4.data.unmasked_rop3 ^= G2D_ROP3_DST; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 749 | } |
| 750 | |
Tobias Jakobi | 2362c88 | 2015-09-08 17:22:28 +0200 | [diff] [blame] | 751 | g2d_add_cmd(ctx, ROP4_REG, rop4.val); |
| 752 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 753 | if (scale) { |
| 754 | g2d_add_cmd(ctx, SRC_SCALE_CTRL_REG, G2D_SCALE_MODE_BILINEAR); |
Tobias Jakobi | 1d7e78d | 2015-02-24 15:20:40 +0100 | [diff] [blame] | 755 | g2d_add_cmd(ctx, SRC_XSCALE_REG, scale_x); |
| 756 | g2d_add_cmd(ctx, SRC_YSCALE_REG, scale_y); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 757 | } |
| 758 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 759 | pt.data.x = src_x; |
| 760 | pt.data.y = src_y; |
| 761 | g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 762 | pt.data.x = src_x + src_w; |
| 763 | pt.data.y = src_y + src_h; |
| 764 | g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); |
| 765 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 766 | pt.data.x = dst_x; |
| 767 | pt.data.y = dst_y; |
| 768 | g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 769 | pt.data.x = dst_x + dst_w; |
| 770 | pt.data.y = dst_y + dst_h; |
| 771 | g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); |
| 772 | |
Tobias Jakobi | 7da8f07 | 2015-06-12 20:15:06 +0200 | [diff] [blame] | 773 | return g2d_flush(ctx); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 774 | } |
| 775 | |
| 776 | /** |
Tobias Jakobi | c8168fe | 2015-02-24 15:20:41 +0100 | [diff] [blame] | 777 | * g2d_blend - blend image data in source and destination buffers. |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 778 | * |
| 779 | * @ctx: a pointer to g2d_context structure. |
| 780 | * @src: a pointer to g2d_image structure including image and buffer |
| 781 | * information to source. |
| 782 | * @dst: a pointer to g2d_image structure including image and buffer |
| 783 | * information to destination. |
| 784 | * @src_x: x start position to source buffer. |
| 785 | * @src_y: y start position to source buffer. |
| 786 | * @dst_x: x start position to destination buffer. |
| 787 | * @dst_y: y start position to destination buffer. |
| 788 | * @w: width value to source and destination buffer. |
| 789 | * @h: height value to source and destination buffer. |
| 790 | * @op: blend operation type. |
| 791 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 792 | int |
Maarten Lankhorst | d9ce09d | 2014-08-04 11:23:52 +0200 | [diff] [blame] | 793 | g2d_blend(struct g2d_context *ctx, struct g2d_image *src, |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 794 | struct g2d_image *dst, unsigned int src_x, |
| 795 | unsigned int src_y, unsigned int dst_x, unsigned int dst_y, |
| 796 | unsigned int w, unsigned int h, enum e_g2d_op op) |
| 797 | { |
| 798 | union g2d_point_val pt; |
| 799 | union g2d_bitblt_cmd_val bitblt; |
| 800 | union g2d_blend_func_val blend; |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 801 | unsigned int gem_space; |
| 802 | unsigned int src_w, src_h, dst_w, dst_h; |
| 803 | |
| 804 | src_w = w; |
| 805 | src_h = h; |
| 806 | if (src_x + w > src->width) |
| 807 | src_w = src->width - src_x; |
| 808 | if (src_y + h > src->height) |
| 809 | src_h = src->height - src_y; |
| 810 | |
| 811 | dst_w = w; |
| 812 | dst_h = h; |
| 813 | if (dst_x + w > dst->width) |
| 814 | dst_w = dst->width - dst_x; |
| 815 | if (dst_y + h > dst->height) |
| 816 | dst_h = dst->height - dst_y; |
| 817 | |
| 818 | w = MIN(src_w, dst_w); |
| 819 | h = MIN(src_h, dst_h); |
| 820 | |
| 821 | if (w <= 0 || h <= 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 822 | fprintf(stderr, MSG_PREFIX "invalid width or height.\n"); |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 823 | return -EINVAL; |
| 824 | } |
| 825 | |
| 826 | if (!g2d_validate_select_mode(src->select_mode)) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 827 | fprintf(stderr , MSG_PREFIX "invalid select mode for source.\n"); |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 828 | return -EINVAL; |
| 829 | } |
| 830 | |
| 831 | if (!g2d_validate_blending_op(op)) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 832 | fprintf(stderr , MSG_PREFIX "unsupported blending operation.\n"); |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 833 | return -EINVAL; |
| 834 | } |
| 835 | |
| 836 | gem_space = src->select_mode == G2D_SELECT_MODE_NORMAL ? 2 : 1; |
| 837 | |
| 838 | if (g2d_check_space(ctx, 12, gem_space)) |
| 839 | return -ENOSPC; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 840 | |
| 841 | bitblt.val = 0; |
| 842 | blend.val = 0; |
| 843 | |
| 844 | if (op == G2D_OP_SRC || op == G2D_OP_CLEAR) |
| 845 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); |
| 846 | else |
| 847 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL); |
| 848 | |
| 849 | g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); |
Tobias Jakobi | 74add49 | 2015-02-24 15:20:46 +0100 | [diff] [blame] | 850 | g2d_add_base_addr(ctx, dst, g2d_dst); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 851 | g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); |
| 852 | |
| 853 | g2d_add_cmd(ctx, SRC_SELECT_REG, src->select_mode); |
| 854 | g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); |
| 855 | |
| 856 | switch (src->select_mode) { |
| 857 | case G2D_SELECT_MODE_NORMAL: |
Tobias Jakobi | 74add49 | 2015-02-24 15:20:46 +0100 | [diff] [blame] | 858 | g2d_add_base_addr(ctx, src, g2d_src); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 859 | g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); |
| 860 | break; |
| 861 | case G2D_SELECT_MODE_FGCOLOR: |
| 862 | g2d_add_cmd(ctx, FG_COLOR_REG, src->color); |
| 863 | break; |
| 864 | case G2D_SELECT_MODE_BGCOLOR: |
| 865 | g2d_add_cmd(ctx, BG_COLOR_REG, src->color); |
| 866 | break; |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 867 | } |
| 868 | |
| 869 | bitblt.data.alpha_blend_mode = G2D_ALPHA_BLEND_MODE_ENABLE; |
| 870 | blend.val = g2d_get_blend_op(op); |
| 871 | g2d_add_cmd(ctx, BITBLT_COMMAND_REG, bitblt.val); |
| 872 | g2d_add_cmd(ctx, BLEND_FUNCTION_REG, blend.val); |
| 873 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 874 | pt.data.x = src_x; |
| 875 | pt.data.y = src_y; |
| 876 | g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 877 | pt.data.x = src_x + w; |
| 878 | pt.data.y = src_y + h; |
| 879 | g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); |
| 880 | |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 881 | pt.data.x = dst_x; |
| 882 | pt.data.y = dst_y; |
| 883 | g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 884 | pt.data.x = dst_x + w; |
| 885 | pt.data.y = dst_y + h; |
| 886 | g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); |
| 887 | |
Tobias Jakobi | 7da8f07 | 2015-06-12 20:15:06 +0200 | [diff] [blame] | 888 | return g2d_flush(ctx); |
Inki Dae | bbf6e3d | 2013-02-18 21:51:00 +0900 | [diff] [blame] | 889 | } |
| 890 | |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 891 | /** |
| 892 | * g2d_scale_and_blend - apply scaling to source buffer and then blend to destination buffer |
| 893 | * |
| 894 | * @ctx: a pointer to g2d_context structure. |
| 895 | * @src: a pointer to g2d_image structure including image and buffer |
| 896 | * information to source. |
| 897 | * @dst: a pointer to g2d_image structure including image and buffer |
| 898 | * information to destination. |
| 899 | * @src_x: x start position to source buffer. |
| 900 | * @src_y: y start position to source buffer. |
| 901 | * @src_w: width value to source buffer. |
| 902 | * @src_h: height value to source buffer. |
| 903 | * @dst_x: x start position to destination buffer. |
| 904 | * @dst_y: y start position to destination buffer. |
| 905 | * @dst_w: width value to destination buffer. |
| 906 | * @dst_h: height value to destination buffer. |
| 907 | * @op: blend operation type. |
| 908 | */ |
Emil Velikov | 0f8da82 | 2015-03-31 22:32:11 +0100 | [diff] [blame] | 909 | int |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 910 | g2d_scale_and_blend(struct g2d_context *ctx, struct g2d_image *src, |
| 911 | struct g2d_image *dst, unsigned int src_x, unsigned int src_y, |
| 912 | unsigned int src_w, unsigned int src_h, unsigned int dst_x, |
| 913 | unsigned int dst_y, unsigned int dst_w, unsigned int dst_h, |
| 914 | enum e_g2d_op op) |
| 915 | { |
| 916 | union g2d_point_val pt; |
| 917 | union g2d_bitblt_cmd_val bitblt; |
| 918 | union g2d_blend_func_val blend; |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 919 | unsigned int scale, gem_space; |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 920 | unsigned int scale_x, scale_y; |
| 921 | |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 922 | if (src_w == dst_w && src_h == dst_h) |
| 923 | scale = 0; |
| 924 | else { |
| 925 | scale = 1; |
| 926 | scale_x = g2d_get_scaling(src_w, dst_w); |
| 927 | scale_y = g2d_get_scaling(src_h, dst_h); |
| 928 | } |
| 929 | |
| 930 | if (src_x + src_w > src->width) |
| 931 | src_w = src->width - src_x; |
| 932 | if (src_y + src_h > src->height) |
| 933 | src_h = src->height - src_y; |
| 934 | |
| 935 | if (dst_x + dst_w > dst->width) |
| 936 | dst_w = dst->width - dst_x; |
| 937 | if (dst_y + dst_h > dst->height) |
| 938 | dst_h = dst->height - dst_y; |
| 939 | |
| 940 | if (src_w <= 0 || src_h <= 0 || dst_w <= 0 || dst_h <= 0) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 941 | fprintf(stderr, MSG_PREFIX "invalid width or height.\n"); |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 942 | return -EINVAL; |
| 943 | } |
| 944 | |
| 945 | if (!g2d_validate_select_mode(src->select_mode)) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 946 | fprintf(stderr , MSG_PREFIX "invalid select mode for source.\n"); |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 947 | return -EINVAL; |
| 948 | } |
| 949 | |
| 950 | if (!g2d_validate_blending_op(op)) { |
Tobias Jakobi | ce4a4f6 | 2015-09-08 17:22:33 +0200 | [diff] [blame] | 951 | fprintf(stderr , MSG_PREFIX "unsupported blending operation.\n"); |
Tobias Jakobi | e3c97d1 | 2015-09-08 17:22:29 +0200 | [diff] [blame] | 952 | return -EINVAL; |
| 953 | } |
| 954 | |
| 955 | gem_space = src->select_mode == G2D_SELECT_MODE_NORMAL ? 2 : 1; |
| 956 | |
| 957 | if (g2d_check_space(ctx, 12 + scale * 3, gem_space)) |
| 958 | return -ENOSPC; |
| 959 | |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 960 | bitblt.val = 0; |
| 961 | blend.val = 0; |
| 962 | |
| 963 | if (op == G2D_OP_SRC || op == G2D_OP_CLEAR) |
| 964 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_BGCOLOR); |
| 965 | else |
| 966 | g2d_add_cmd(ctx, DST_SELECT_REG, G2D_SELECT_MODE_NORMAL); |
| 967 | |
| 968 | g2d_add_cmd(ctx, DST_COLOR_MODE_REG, dst->color_mode); |
Tobias Jakobi | 9017619 | 2015-09-08 17:22:27 +0200 | [diff] [blame] | 969 | g2d_add_base_addr(ctx, dst, g2d_dst); |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 970 | g2d_add_cmd(ctx, DST_STRIDE_REG, dst->stride); |
| 971 | |
| 972 | g2d_add_cmd(ctx, SRC_SELECT_REG, src->select_mode); |
| 973 | g2d_add_cmd(ctx, SRC_COLOR_MODE_REG, src->color_mode); |
| 974 | |
| 975 | switch (src->select_mode) { |
| 976 | case G2D_SELECT_MODE_NORMAL: |
Tobias Jakobi | 9017619 | 2015-09-08 17:22:27 +0200 | [diff] [blame] | 977 | g2d_add_base_addr(ctx, src, g2d_src); |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 978 | g2d_add_cmd(ctx, SRC_STRIDE_REG, src->stride); |
| 979 | break; |
| 980 | case G2D_SELECT_MODE_FGCOLOR: |
| 981 | g2d_add_cmd(ctx, FG_COLOR_REG, src->color); |
| 982 | break; |
| 983 | case G2D_SELECT_MODE_BGCOLOR: |
| 984 | g2d_add_cmd(ctx, BG_COLOR_REG, src->color); |
| 985 | break; |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 986 | } |
| 987 | |
| 988 | if (scale) { |
| 989 | g2d_add_cmd(ctx, SRC_SCALE_CTRL_REG, G2D_SCALE_MODE_BILINEAR); |
| 990 | g2d_add_cmd(ctx, SRC_XSCALE_REG, scale_x); |
| 991 | g2d_add_cmd(ctx, SRC_YSCALE_REG, scale_y); |
| 992 | } |
| 993 | |
| 994 | bitblt.data.alpha_blend_mode = G2D_ALPHA_BLEND_MODE_ENABLE; |
| 995 | blend.val = g2d_get_blend_op(op); |
| 996 | g2d_add_cmd(ctx, BITBLT_COMMAND_REG, bitblt.val); |
| 997 | g2d_add_cmd(ctx, BLEND_FUNCTION_REG, blend.val); |
| 998 | |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 999 | pt.data.x = src_x; |
| 1000 | pt.data.y = src_y; |
| 1001 | g2d_add_cmd(ctx, SRC_LEFT_TOP_REG, pt.val); |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 1002 | pt.data.x = src_x + src_w; |
| 1003 | pt.data.y = src_y + src_h; |
| 1004 | g2d_add_cmd(ctx, SRC_RIGHT_BOTTOM_REG, pt.val); |
| 1005 | |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 1006 | pt.data.x = dst_x; |
| 1007 | pt.data.y = dst_y; |
| 1008 | g2d_add_cmd(ctx, DST_LEFT_TOP_REG, pt.val); |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 1009 | pt.data.x = dst_x + dst_w; |
| 1010 | pt.data.y = dst_y + dst_h; |
| 1011 | g2d_add_cmd(ctx, DST_RIGHT_BOTTOM_REG, pt.val); |
| 1012 | |
Tobias Jakobi | 7da8f07 | 2015-06-12 20:15:06 +0200 | [diff] [blame] | 1013 | return g2d_flush(ctx); |
Tobias Jakobi | 03c9ccc | 2015-03-11 20:38:41 +0100 | [diff] [blame] | 1014 | } |