| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Linux/drivers/gpu/drm/amd/display/dc/sspl/ (Linux Kernel Version 6.17.9©) Datei vom 24.10.2025 mit Größe 81 kB |
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Quellcode-Bibliothek dc_spl.c Sprache: C |
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// SPDX-License-Identifier: MIT // // Copyright 2024 Advanced Micro Devices, Inc. #include "dc_spl.h" #include "dc_spl_scl_easf_filters.h" #include "dc_spl_isharp_filters.h" #include "spl_debug.h" #define IDENTITY_RATIO(ratio) (spl_fixpt_u3d19(ratio) == (1 << 19)) #define MIN_VIEWPORT_SIZE 12 static bool spl_is_yuv420(enum spl_pixel_format format) { if ((format >= SPL_PIXEL_FORMAT_420BPP8) && (format <= SPL_PIXEL_FORMAT_420BPP10)) return true; return false; } static bool spl_is_rgb8(enum spl_pixel_format format) { if (format == SPL_PIXEL_FORMAT_ARGB8888) return true; return false; } static bool spl_is_video_format(enum spl_pixel_format format) { if (format >= SPL_PIXEL_FORMAT_VIDEO_BEGIN && format <= SPL_PIXEL_FORMAT_VIDEO_END) return true; else return false; } static bool spl_is_subsampled_format(enum spl_pixel_format format) { if (format >= SPL_PIXEL_FORMAT_SUBSAMPLED_BEGIN && format <= SPL_PIXEL_FORMAT_SUBSAMPLED_END) return true; else return false; } static struct spl_rect intersect_rec(const struct spl_rect *r0, const struct spl_rect *r1) { struct spl_rect rec; int r0_x_end = r0->x + r0->width; int r1_x_end = r1->x + r1->width; int r0_y_end = r0->y + r0->height; int r1_y_end = r1->y + r1->height; rec.x = r0->x > r1->x ? r0->x : r1->x; rec.width = r0_x_end > r1_x_end ? r1_x_end - rec.x : r0_x_end - rec.x; rec.y = r0->y > r1->y ? r0->y : r1->y; rec.height = r0_y_end > r1_y_end ? r1_y_end - rec.y : r0_y_end - rec.y; /* in case that there is no intersection */ if (rec.width < 0 || rec.height < 0) memset(&rec, 0, sizeof(rec)); return rec; } static struct spl_rect shift_rec(const struct spl_rect *rec_in, int x, int y) { struct spl_rect rec_out = *rec_in; rec_out.x += x; rec_out.y += y; return rec_out; } static void spl_opp_adjust_rect(struct spl_rect *rec, const struct spl_opp_adjust *adjus { if ((rec->x + adjust->x) >= 0) rec->x += adjust->x; if ((rec->y + adjust->y) >= 0) rec->y += adjust->y; if ((rec->width + adjust->width) >= 1) rec->width += adjust->width; if ((rec->height + adjust->height) >= 1) rec->height += adjust->height; } static struct spl_rect calculate_plane_rec_in_timing_active( struct spl_in *spl_in, const struct spl_rect *rec_in) { /* * The following diagram shows an example where we map a 1920x1200 * desktop to a 2560x1440 timing with a plane rect in the middle * of the screen. To map a plane rect from Stream Source to Timing * Active space, we first multiply stream scaling ratios (i.e 2304/1920 * horizontal and 1440/1200 vertical) to the plane's x and y, then * we add stream destination offsets (i.e 128 horizontal, 0 vertical). * This will give us a plane rect's position in Timing Active. However * we have to remove the fractional. The rule is that we find left/right * and top/bottom positions and round the value to the adjacent integer. * * Stream Source Space * ------------ * __________________________________________________ * |Stream Source (1920 x 1200) ^ | * | y | * | <------- w --------|> | * | __________________V | * |<-- x -->|Plane//////////////| ^ | * | |(pre scale)////////| | | * | |///////////////////| | | * | |///////////////////| h | * | |///////////////////| | | * | |///////////////////| | | * | |///////////////////| V | * | | * | | * |__________________________________________________| * * * Timing Active Space * --------------------------------- * * Timing Active (2560 x 1440) * __________________________________________________ * |*****| Stteam Destination (2304 x 1440) |*****| * |*****| |*****| * |<128>| |*****| * |*****| __________________ |*****| * |*****| |Plane/////////////| |*****| * |*****| |(post scale)//////| |*****| * |*****| |//////////////////| |*****| * |*****| |//////////////////| |*****| * |*****| |//////////////////| |*****| * |*****| |//////////////////| |*****| * |*****| |*****| * |*****| |*****| * |*****| |*****| * |*****|______________________________________|*****| * * So the resulting formulas are shown below: * * recout_x = 128 + round(plane_x * 2304 / 1920) * recout_w = 128 + round((plane_x + plane_w) * 2304 / 1920) - recout_x * recout_y = 0 + round(plane_y * 1440 / 1200) * recout_h = 0 + round((plane_y + plane_h) * 1440 / 1200) - recout_y * * NOTE: fixed point division is not error free. To reduce errors * introduced by fixed point division, we divide only after * multiplication is complete. */ const struct spl_rect *stream_src = &spl_in->basic_out.src_rect; const struct spl_rect *stream_dst = &spl_in->basic_out.dst_rect; struct spl_rect rec_out = {0}; struct spl_fixed31_32 temp; temp = spl_fixpt_from_fraction(rec_in->x * (long long)stream_dst->width, stream_src->width); rec_out.x = stream_dst->x + spl_fixpt_round(temp); temp = spl_fixpt_from_fraction( (rec_in->x + rec_in->width) * (long long)stream_dst->width, stream_src->width); rec_out.width = stream_dst->x + spl_fixpt_round(temp) - rec_out.x; temp = spl_fixpt_from_fraction(rec_in->y * (long long)stream_dst->height, stream_src->height); rec_out.y = stream_dst->y + spl_fixpt_round(temp); temp = spl_fixpt_from_fraction( (rec_in->y + rec_in->height) * (long long)stream_dst->height, stream_src->height); rec_out.height = stream_dst->y + spl_fixpt_round(temp) - rec_out.y; return rec_out; } static struct spl_rect calculate_mpc_slice_in_timing_active( struct spl_in *spl_in, struct spl_rect *plane_clip_rec) { bool use_recout_width_aligned = spl_in->basic_in.num_h_slices_recout_width_align.use_recout_width_aligned; int mpc_slice_count = spl_in->basic_in.num_h_slices_recout_width_align.num_slices_recout_width.mpc_num_ int recout_width_align = spl_in->basic_in.num_h_slices_recout_width_align.num_slices_recout_width.mpc_reco int mpc_slice_idx = spl_in->basic_in.mpc_h_slice_index; int epimo = mpc_slice_count - plane_clip_rec->width % mpc_slice_count - 1; struct spl_rect mpc_rec; if (spl_in->basic_in.custom_width != 0) { mpc_rec.width = spl_in->basic_in.custom_width; mpc_rec.x = spl_in->basic_in.custom_x; mpc_rec.height = plane_clip_rec->height; mpc_rec.y = plane_clip_rec->y; } else if (use_recout_width_aligned) { mpc_rec.width = recout_width_align; if ((mpc_rec.width * (mpc_slice_idx + 1)) > plane_clip_rec->width) { mpc_rec.width = plane_clip_rec->width % recout_width_align; mpc_rec.x = plane_clip_rec->x + recout_width_align * mpc_slice_idx; } else mpc_rec.x = plane_clip_rec->x + mpc_rec.width * mpc_slice_idx; mpc_rec.height = plane_clip_rec->height; mpc_rec.y = plane_clip_rec->y; } else { mpc_rec.width = plane_clip_rec->width / mpc_slice_count; mpc_rec.x = plane_clip_rec->x + mpc_rec.width * mpc_slice_idx; mpc_rec.height = plane_clip_rec->height; mpc_rec.y = plane_clip_rec->y; } SPL_ASSERT(mpc_slice_count == 1 || spl_in->basic_out.view_format != SPL_VIEW_3D_SIDE_BY_SIDE || mpc_rec.width % 2 == 0); /* extra pixels in the division remainder need to go to pipes after * the extra pixel index minus one(epimo) defined here as: */ if (mpc_slice_idx > epimo && spl_in->basic_in.custom_width == 0) { mpc_rec.x += mpc_slice_idx - epimo - 1; mpc_rec.width += 1; } if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) { SPL_ASSERT(mpc_rec.height % 2 == 0); mpc_rec.height /= 2; } return mpc_rec; } static struct spl_rect calculate_odm_slice_in_timing_active(struct spl_in *spl_in) { int odm_slice_count = spl_in->basic_out.odm_combine_factor; int odm_slice_idx = spl_in->odm_slice_index; bool is_last_odm_slice = (odm_slice_idx + 1) == odm_slice_count; int h_active = spl_in->basic_out.output_size.width; int v_active = spl_in->basic_out.output_size.height; int odm_slice_width; struct spl_rect odm_rec; if (spl_in->basic_out.odm_combine_factor > 0) { odm_slice_width = h_active / odm_slice_count; /* * deprecated, caller must pass in odm slice rect i.e OPP input * rect in timing active for the new interface. */ if (spl_in->basic_out.use_two_pixels_per_container && (odm_slice_width % 2)) odm_slice_width++; odm_rec.x = odm_slice_width * odm_slice_idx; odm_rec.width = is_last_odm_slice ? /* last slice width is the reminder of h_active */ h_active - odm_slice_width * (odm_slice_count - 1) : /* odm slice width is the floor of h_active / count */ odm_slice_width; odm_rec.y = 0; odm_rec.height = v_active; return odm_rec; } return spl_in->basic_out.odm_slice_rect; } static void spl_calculate_recout(struct spl_in *spl_in, struct spl_scratch *spl_scratch { /* * A plane clip represents the desired plane size and position in Stream * Source Space. Stream Source is the destination where all planes are * blended (i.e. positioned, scaled and overlaid). It is a canvas where * all planes associated with the current stream are drawn together. * After Stream Source is completed, we will further scale and * reposition the entire canvas of the stream source to Stream * Destination in Timing Active Space. This could be due to display * overscan adjustment where we will need to rescale and reposition all * the planes so they can fit into a TV with overscan or downscale * upscale features such as GPU scaling or VSR. * * This two step blending is a virtual procedure in software. In * hardware there is no such thing as Stream Source. all planes are * blended once in Timing Active Space. Software virtualizes a Stream * Source space to decouple the math complicity so scaling param * calculation focuses on one step at a time. * * In the following two diagrams, user applied 10% overscan adjustment * so the Stream Source needs to be scaled down a little before mapping * to Timing Active Space. As a result the Plane Clip is also scaled * down by the same ratio, Plane Clip position (i.e. x and y) with * respect to Stream Source is also scaled down. To map it in Timing * Active Space additional x and y offsets from Stream Destination are * added to Plane Clip as well. * * Stream Source Space * ------------ * __________________________________________________ * |Stream Source (3840 x 2160) ^ | * | y | * | | | * | __________________V | * |<-- x -->|Plane Clip/////////| | * | |(pre scale)////////| | * | |///////////////////| | * | |///////////////////| | * | |///////////////////| | * | |///////////////////| | * | |///////////////////| | * | | * | | * |__________________________________________________| * * * Timing Active Space (3840 x 2160) * --------------------------------- * * Timing Active * __________________________________________________ * | y_____________________________________________ | * |x |Stream Destination (3456 x 1944) | | * | | | | * | | __________________ | | * | | |Plane Clip////////| | | * | | |(post scale)//////| | | * | | |//////////////////| | | * | | |//////////////////| | | * | | |//////////////////| | | * | | |//////////////////| | | * | | | | * | | | | * | |____________________________________________| | * |__________________________________________________| * * * In Timing Active Space a plane clip could be further sliced into * pieces called MPC slices. Each Pipe Context is responsible for * processing only one MPC slice so the plane processing workload can be * distributed to multiple DPP Pipes. MPC slices could be blended * together to a single ODM slice. Each ODM slice is responsible for * processing a portion of Timing Active divided horizontally so the * output pixel processing workload can be distributed to multiple OPP * pipes. All ODM slices are mapped together in ODM block so all MPC * slices belong to different ODM slices could be pieced together to * form a single image in Timing Active. MPC slices must belong to * single ODM slice. If an MPC slice goes across ODM slice boundary, it * needs to be divided into two MPC slices one for each ODM slice. * * In the following diagram the output pixel processing workload is * divided horizontally into two ODM slices one for each OPP blend tree. * OPP0 blend tree is responsible for processing left half of Timing * Active, while OPP2 blend tree is responsible for processing right * half. * * The plane has two MPC slices. However since the right MPC slice goes * across ODM boundary, two DPP pipes are needed one for each OPP blend * tree. (i.e. DPP1 for OPP0 blend tree and DPP2 for OPP2 blend tree). * * Assuming that we have a Pipe Context associated with OPP0 and DPP1 * working on processing the plane in the diagram. We want to know the * width and height of the shaded rectangle and its relative position * with respect to the ODM slice0. This is called the recout of the pipe * context. * * Planes can be at arbitrary size and position and there could be an * arbitrary number of MPC and ODM slices. The algorithm needs to take * all scenarios into account. * * Timing Active Space (3840 x 2160) * --------------------------------- * * Timing Active * __________________________________________________ * |OPP0(ODM slice0)^ |OPP2(ODM slice1) | * | y | | * | | <- w -> | * | _____V________|____ | * | |DPP0 ^ |DPP1 |DPP2| | * |<------ x |-----|->|/////| | | * | | | |/////| | | * | | h |/////| | | * | | | |/////| | | * | |_____V__|/////|____| | * | | | * | | | * | | | * |_________________________|________________________| * * */ struct spl_rect plane_clip; struct spl_rect mpc_slice_of_plane_clip; struct spl_rect odm_slice; struct spl_rect overlapping_area; plane_clip = calculate_plane_rec_in_timing_active(spl_in, &spl_in->basic_in.clip_rect); /* guard plane clip from drawing beyond stream dst here */ plane_clip = intersect_rec(&plane_clip, &spl_in->basic_out.dst_rect); mpc_slice_of_plane_clip = calculate_mpc_slice_in_timing_active( spl_in, &plane_clip); odm_slice = calculate_odm_slice_in_timing_active(spl_in); overlapping_area = intersect_rec(&mpc_slice_of_plane_clip, &odm_slice); if (overlapping_area.height > 0 && overlapping_area.width > 0) { /* shift the overlapping area so it is with respect to current * ODM slice's position */ spl_scratch->scl_data.recout = shift_rec( &overlapping_area, -odm_slice.x, -odm_slice.y); spl_scratch->scl_data.recout.height -= spl_in->debug.visual_confirm_base_offset; spl_scratch->scl_data.recout.height -= spl_in->debug.visual_confirm_dpp_offset; } else /* if there is no overlap, zero recout */ memset(&spl_scratch->scl_data.recout, 0, sizeof(struct spl_rect)); } /* Calculate scaling ratios */ static void spl_calculate_scaling_ratios(struct spl_in *spl_in, struct spl_scratch *spl_scratch, struct spl_out *spl_out) { const int in_w = spl_in->basic_out.src_rect.width; const int in_h = spl_in->basic_out.src_rect.height; const int out_w = spl_in->basic_out.dst_rect.width; const int out_h = spl_in->basic_out.dst_rect.height; struct spl_rect surf_src = spl_in->basic_in.src_rect; /*Swap surf_src height and width since scaling ratios are in recout rotation*/ if (spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_90 || spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_270) spl_swap(surf_src.height, surf_src.width); spl_scratch->scl_data.ratios.horz = spl_fixpt_from_fraction( surf_src.width, spl_in->basic_in.dst_rect.width); spl_scratch->scl_data.ratios.vert = spl_fixpt_from_fraction( surf_src.height, spl_in->basic_in.dst_rect.height); if (spl_in->basic_out.view_format == SPL_VIEW_3D_SIDE_BY_SIDE) spl_scratch->scl_data.ratios.horz.value *= 2; else if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) spl_scratch->scl_data.ratios.vert.value *= 2; spl_scratch->scl_data.ratios.vert.value = spl_div64_s64( spl_scratch->scl_data.ratios.vert.value * in_h, out_h); spl_scratch->scl_data.ratios.horz.value = spl_div64_s64( spl_scratch->scl_data.ratios.horz.value * in_w, out_w); spl_scratch->scl_data.ratios.horz_c = spl_scratch->scl_data.ratios.horz; spl_scratch->scl_data.ratios.vert_c = spl_scratch->scl_data.ratios.vert; if (spl_is_yuv420(spl_in->basic_in.format)) { spl_scratch->scl_data.ratios.horz_c.value /= 2; spl_scratch->scl_data.ratios.vert_c.value /= 2; } spl_scratch->scl_data.ratios.horz = spl_fixpt_truncate( spl_scratch->scl_data.ratios.horz, 19); spl_scratch->scl_data.ratios.vert = spl_fixpt_truncate( spl_scratch->scl_data.ratios.vert, 19); spl_scratch->scl_data.ratios.horz_c = spl_fixpt_truncate( spl_scratch->scl_data.ratios.horz_c, 19); spl_scratch->scl_data.ratios.vert_c = spl_fixpt_truncate( spl_scratch->scl_data.ratios.vert_c, 19); /* * Coefficient table and some registers are different based on ratio * that is output/input. Currently we calculate input/output * Store 1/ratio in recip_ratio for those lookups */ spl_scratch->scl_data.recip_ratios.horz = spl_fixpt_recip( spl_scratch->scl_data.ratios.horz); spl_scratch->scl_data.recip_ratios.vert = spl_fixpt_recip( spl_scratch->scl_data.ratios.vert); spl_scratch->scl_data.recip_ratios.horz_c = spl_fixpt_recip( spl_scratch->scl_data.ratios.horz_c); spl_scratch->scl_data.recip_ratios.vert_c = spl_fixpt_recip( spl_scratch->scl_data.ratios.vert_c); } /* Calculate Viewport size */ static void spl_calculate_viewport_size(struct spl_in *spl_in, struct spl_scratch *spl_ { spl_scratch->scl_data.viewport.width = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scratch spl_scratch->scl_data.recout.width)); spl_scratch->scl_data.viewport.height = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scratc spl_scratch->scl_data.recout.height)); spl_scratch->scl_data.viewport_c.width = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scrat spl_scratch->scl_data.recout.width)); spl_scratch->scl_data.viewport_c.height = spl_fixpt_ceil(spl_fixpt_mul_int(spl_scra spl_scratch->scl_data.recout.height)); if (spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_90 || spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_270) { spl_swap(spl_scratch->scl_data.viewport.width, spl_scratch->scl_data.viewport.heigh spl_swap(spl_scratch->scl_data.viewport_c.width, spl_scratch->scl_data.viewport_c.h } } static void spl_get_vp_scan_direction(enum spl_rotation_angle rotation, bool horizontal_mirror, bool *orthogonal_rotation, bool *flip_vert_scan_dir, bool *flip_horz_scan_dir) { *orthogonal_rotation = false; *flip_vert_scan_dir = false; *flip_horz_scan_dir = false; if (rotation == SPL_ROTATION_ANGLE_180) { *flip_vert_scan_dir = true; *flip_horz_scan_dir = true; } else if (rotation == SPL_ROTATION_ANGLE_90) { *orthogonal_rotation = true; *flip_horz_scan_dir = true; } else if (rotation == SPL_ROTATION_ANGLE_270) { *orthogonal_rotation = true; *flip_vert_scan_dir = true; } if (horizontal_mirror) *flip_horz_scan_dir = !*flip_horz_scan_dir; } /* * We completely calculate vp offset, size and inits here based entirely on scaling * ratios and recout for pixel perfect pipe combine. */ static void spl_calculate_init_and_vp(bool flip_scan_dir, int recout_offset_within_recout_full, int recout_size, int src_size, int taps, struct spl_fixed31_32 ratio, struct spl_fixed31_32 init_adj, struct spl_fixed31_32 *init, int *vp_offset, int *vp_size) { struct spl_fixed31_32 temp; int int_part; /* * First of the taps starts sampling pixel number <init_int_part> corresponding to recout * pixel 1. Next recout pixel samples int part of <init + scaling ratio> and so on. * All following calculations are based on this logic. * * Init calculated according to formula: * init = (scaling_ratio + number_of_taps + 1) / 2 * init_bot = init + scaling_ratio * to get pixel perfect combine add the fraction from calculating vp offset */ temp = spl_fixpt_mul_int(ratio, recout_offset_within_recout_full); *vp_offset = spl_fixpt_floor(temp); temp.value &= 0xffffffff; *init = spl_fixpt_add(spl_fixpt_div_int(spl_fixpt_add_int(ratio, taps + 1), 2), temp); *init = spl_fixpt_add(*init, init_adj); *init = spl_fixpt_truncate(*init, 19); /* * If viewport has non 0 offset and there are more taps than covered by init then * we should decrease the offset and increase init so we are never sampling * outside of viewport. */ int_part = spl_fixpt_floor(*init); if (int_part < taps) { int_part = taps - int_part; if (int_part > *vp_offset) int_part = *vp_offset; *vp_offset -= int_part; *init = spl_fixpt_add_int(*init, int_part); } /* * If taps are sampling outside of viewport at end of recout and there are more pixels * available in the surface we should increase the viewport size, regardless set vp to * only what is used. */ temp = spl_fixpt_add(*init, spl_fixpt_mul_int(ratio, recout_size - 1)); *vp_size = spl_fixpt_floor(temp); if (*vp_size + *vp_offset > src_size) *vp_size = src_size - *vp_offset; /* We did all the math assuming we are scanning same direction as display does, * however mirror/rotation changes how vp scans vs how it is offset. If scan direction * is flipped we simply need to calculate offset from the other side of plane. * Note that outside of viewport all scaling hardware works in recout space. */ if (flip_scan_dir) *vp_offset = src_size - *vp_offset - *vp_size; } /*Calculate inits and viewport */ static void spl_calculate_inits_and_viewports(struct spl_in *spl_in, struct spl_scratch *spl_scratch) { struct spl_rect src = spl_in->basic_in.src_rect; struct spl_rect recout_dst_in_active_timing; struct spl_rect recout_clip_in_active_timing; struct spl_rect recout_clip_in_recout_dst; struct spl_rect overlap_in_active_timing; struct spl_rect odm_slice = calculate_odm_slice_in_timing_active(spl_in); int vpc_div = spl_is_subsampled_format(spl_in->basic_in.format) ? 2 : 1; bool orthogonal_rotation, flip_vert_scan_dir, flip_horz_scan_dir; struct spl_fixed31_32 init_adj_h = spl_fixpt_zero; struct spl_fixed31_32 init_adj_v = spl_fixpt_zero; recout_clip_in_active_timing = shift_rec( &spl_scratch->scl_data.recout, odm_slice.x, odm_slice.y); recout_dst_in_active_timing = calculate_plane_rec_in_timing_active( spl_in, &spl_in->basic_in.dst_rect); overlap_in_active_timing = intersect_rec(&recout_clip_in_active_timing, &recout_dst_in_active_timing); if (overlap_in_active_timing.width > 0 && overlap_in_active_timing.height > 0) recout_clip_in_recout_dst = shift_rec(&overlap_in_active_timing, -recout_dst_in_active_timing.x, -recout_dst_in_active_timing.y); else memset(&recout_clip_in_recout_dst, 0, sizeof(struct spl_rect)); /* * Work in recout rotation since that requires less transformations */ spl_get_vp_scan_direction( spl_in->basic_in.rotation, spl_in->basic_in.horizontal_mirror, &orthogonal_rotation, &flip_vert_scan_dir, &flip_horz_scan_dir); if (spl_is_subsampled_format(spl_in->basic_in.format)) { /* this gives the direction of the cositing (negative will move * left, right otherwise) */ int h_sign = flip_horz_scan_dir ? -1 : 1; int v_sign = flip_vert_scan_dir ? -1 : 1; switch (spl_in->basic_in.cositing) { case CHROMA_COSITING_TOPLEFT: init_adj_h = spl_fixpt_from_fraction(h_sign, 4); init_adj_v = spl_fixpt_from_fraction(v_sign, 4); break; case CHROMA_COSITING_LEFT: init_adj_h = spl_fixpt_from_fraction(h_sign, 4); init_adj_v = spl_fixpt_zero; break; case CHROMA_COSITING_NONE: default: init_adj_h = spl_fixpt_zero; init_adj_v = spl_fixpt_zero; break; } } if (orthogonal_rotation) { spl_swap(src.width, src.height); spl_swap(flip_vert_scan_dir, flip_horz_scan_dir); spl_swap(init_adj_h, init_adj_v); } spl_calculate_init_and_vp( flip_horz_scan_dir, recout_clip_in_recout_dst.x, spl_scratch->scl_data.recout.width, src.width, spl_scratch->scl_data.taps.h_taps, spl_scratch->scl_data.ratios.horz, spl_fixpt_zero, &spl_scratch->scl_data.inits.h, &spl_scratch->scl_data.viewport.x, &spl_scratch->scl_data.viewport.width); spl_calculate_init_and_vp( flip_horz_scan_dir, recout_clip_in_recout_dst.x, spl_scratch->scl_data.recout.width, src.width / vpc_div, spl_scratch->scl_data.taps.h_taps_c, spl_scratch->scl_data.ratios.horz_c, init_adj_h, &spl_scratch->scl_data.inits.h_c, &spl_scratch->scl_data.viewport_c.x, &spl_scratch->scl_data.viewport_c.width); spl_calculate_init_and_vp( flip_vert_scan_dir, recout_clip_in_recout_dst.y, spl_scratch->scl_data.recout.height, src.height, spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.ratios.vert, spl_fixpt_zero, &spl_scratch->scl_data.inits.v, &spl_scratch->scl_data.viewport.y, &spl_scratch->scl_data.viewport.height); spl_calculate_init_and_vp( flip_vert_scan_dir, recout_clip_in_recout_dst.y, spl_scratch->scl_data.recout.height, src.height / vpc_div, spl_scratch->scl_data.taps.v_taps_c, spl_scratch->scl_data.ratios.vert_c, init_adj_v, &spl_scratch->scl_data.inits.v_c, &spl_scratch->scl_data.viewport_c.y, &spl_scratch->scl_data.viewport_c.height); if (orthogonal_rotation) { spl_swap(spl_scratch->scl_data.viewport.x, spl_scratch->scl_data.viewport.y); spl_swap(spl_scratch->scl_data.viewport.width, spl_scratch->scl_data.viewport.heigh spl_swap(spl_scratch->scl_data.viewport_c.x, spl_scratch->scl_data.viewport_c.y); spl_swap(spl_scratch->scl_data.viewport_c.width, spl_scratch->scl_data.viewport_c.h } spl_scratch->scl_data.viewport.x += src.x; spl_scratch->scl_data.viewport.y += src.y; SPL_ASSERT(src.x % vpc_div == 0 && src.y % vpc_div == 0); spl_scratch->scl_data.viewport_c.x += src.x / vpc_div; spl_scratch->scl_data.viewport_c.y += src.y / vpc_div; } static void spl_handle_3d_recout(struct spl_in *spl_in, struct spl_rect *recout) { /* * Handle side by side and top bottom 3d recout offsets after vp calculation * since 3d is special and needs to calculate vp as if there is no recout offset * This may break with rotation, good thing we aren't mixing hw rotation and 3d */ if (spl_in->basic_in.mpc_h_slice_index) { SPL_ASSERT(spl_in->basic_in.rotation == SPL_ROTATION_ANGLE_0 || (spl_in->basic_out.view_format != SPL_VIEW_3D_TOP_AND_BOTTOM && spl_in->basic_out.view_format != SPL_VIEW_3D_SIDE_BY_SIDE)); if (spl_in->basic_out.view_format == SPL_VIEW_3D_TOP_AND_BOTTOM) recout->y += recout->height; else if (spl_in->basic_out.view_format == SPL_VIEW_3D_SIDE_BY_SIDE) recout->x += recout->width; } } static void spl_clamp_viewport(struct spl_rect *viewport, int min_viewport_size) { if (min_viewport_size == 0) min_viewport_size = MIN_VIEWPORT_SIZE; /* Clamp minimum viewport size */ if (viewport->height < min_viewport_size) viewport->height = min_viewport_size; if (viewport->width < min_viewport_size) viewport->width = min_viewport_size; } static enum scl_mode spl_get_dscl_mode(const struct spl_in *spl_in, const struct spl_scaler_data *data, bool enable_isharp, bool enable_easf) { const long long one = spl_fixpt_one.value; enum spl_pixel_format pixel_format = spl_in->basic_in.format; /* Bypass if ratio is 1:1 with no ISHARP or force scale on */ if (data->ratios.horz.value == one && data->ratios.vert.value == one && data->ratios.horz_c.value == one && data->ratios.vert_c.value == one && !spl_in->basic_out.always_scale && !enable_isharp) return SCL_MODE_SCALING_444_BYPASS; if (!spl_is_subsampled_format(pixel_format)) { if (spl_is_video_format(pixel_format)) return SCL_MODE_SCALING_444_YCBCR_ENABLE; else return SCL_MODE_SCALING_444_RGB_ENABLE; } /* * Bypass YUV if Y is 1:1 with no ISHARP * Do not bypass UV at 1:1 for cositing to be applied */ if (!enable_isharp) { if (data->ratios.horz.value == one && data->ratios.vert.value == one && !spl_in->basic_out.alway return SCL_MODE_SCALING_420_LUMA_BYPASS; } return SCL_MODE_SCALING_420_YCBCR_ENABLE; } static void spl_choose_lls_policy(enum spl_pixel_format format, enum linear_light_scaling *lls_pref) { if (spl_is_subsampled_format(format)) *lls_pref = LLS_PREF_NO; else /* RGB or YUV444 */ *lls_pref = LLS_PREF_YES; } /* Enable EASF ?*/ static bool enable_easf(struct spl_in *spl_in, struct spl_scratch *spl_scratch) { int vratio = 0; int hratio = 0; bool skip_easf = false; if (spl_in->disable_easf) skip_easf = true; vratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert); hratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz); /* * No EASF support for downscaling > 2:1 * EASF support for upscaling or downscaling up to 2:1 */ if ((vratio > 2) || (hratio > 2)) skip_easf = true; /* * If lls_pref is LLS_PREF_DONT_CARE, then use pixel format * to determine whether to use LINEAR or NONLINEAR scaling */ if (spl_in->lls_pref == LLS_PREF_DONT_CARE) spl_choose_lls_policy(spl_in->basic_in.format, &spl_in->lls_pref); /* Check for linear scaling or EASF preferred */ if (spl_in->lls_pref != LLS_PREF_YES && !spl_in->prefer_easf) skip_easf = true; return skip_easf; } /* Check if video is in fullscreen mode */ static bool spl_is_video_fullscreen(struct spl_in *spl_in) { if (spl_is_video_format(spl_in->basic_in.format) && spl_in->is_fullscreen) return true; return false; } static bool spl_get_isharp_en(struct spl_in *spl_in, struct spl_scratch *spl_scratch) { bool enable_isharp = false; int vratio = 0; int hratio = 0; struct spl_taps taps = spl_scratch->scl_data.taps; bool fullscreen = spl_is_video_fullscreen(spl_in); /* Return if adaptive sharpness is disabled */ if (spl_in->adaptive_sharpness.enable == false) return enable_isharp; vratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert); hratio = spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz); /* No iSHARP support for downscaling */ if (vratio > 1 || hratio > 1) return enable_isharp; // Scaling is up to 1:1 (no scaling) or upscaling /* * Apply sharpness to RGB and YUV (NV12/P010) * surfaces based on policy setting */ if (!spl_is_video_format(spl_in->basic_in.format) && (spl_in->sharpen_policy == SHARPEN_YUV)) return enable_isharp; else if ((spl_is_video_format(spl_in->basic_in.format) && !fullscreen) && (spl_in->sharpen_policy == SHARPEN_RGB_FULLSCREEN_YUV)) return enable_isharp; else if (!spl_in->is_fullscreen && spl_in->sharpen_policy == SHARPEN_FULLSCREEN_ALL) return enable_isharp; /* * Apply sharpness if supports horizontal taps 4,6 AND * vertical taps 3, 4, 6 */ if ((taps.h_taps == 4 || taps.h_taps == 6) && (taps.v_taps == 3 || taps.v_taps == 4 || taps.v_taps == 6)) enable_isharp = true; return enable_isharp; } /* Calculate number of tap with adaptive scaling off */ static void spl_get_taps_non_adaptive_scaler( struct spl_scratch *spl_scratch, const struct spl_taps *in_taps, bool is_subsampled) { bool check_max_downscale = false; if (in_taps->h_taps == 0) { if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz) > 1) spl_scratch->scl_data.taps.h_taps = spl_min(2 * spl_fixpt_ceil( spl_scratch->scl_data.ratios.horz), 8); else spl_scratch->scl_data.taps.h_taps = 4; } else spl_scratch->scl_data.taps.h_taps = in_taps->h_taps; if (in_taps->v_taps == 0) { if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 1) spl_scratch->scl_data.taps.v_taps = spl_min(2 * spl_fixpt_ceil( spl_scratch->scl_data.ratios.vert), 8); else spl_scratch->scl_data.taps.v_taps = 4; } else spl_scratch->scl_data.taps.v_taps = in_taps->v_taps; if (in_taps->v_taps_c == 0) { if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 1) spl_scratch->scl_data.taps.v_taps_c = spl_min(2 * spl_fixpt_ceil( spl_scratch->scl_data.ratios.vert_c), 8); else spl_scratch->scl_data.taps.v_taps_c = 4; } else spl_scratch->scl_data.taps.v_taps_c = in_taps->v_taps_c; if (in_taps->h_taps_c == 0) { if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.horz_c) > 1) spl_scratch->scl_data.taps.h_taps_c = spl_min(2 * spl_fixpt_ceil( spl_scratch->scl_data.ratios.horz_c), 8); else spl_scratch->scl_data.taps.h_taps_c = 4; } else if ((in_taps->h_taps_c % 2) != 0 && in_taps->h_taps_c != 1) /* Only 1 and even h_taps_c are supported by hw */ spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c - 1; else spl_scratch->scl_data.taps.h_taps_c = in_taps->h_taps_c; /* * Max downscale supported is 6.0x. Add ASSERT to catch if go beyond that */ check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.horz, spl_fixpt_from_fraction(6, 1)); SPL_ASSERT(check_max_downscale); check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.vert, spl_fixpt_from_fraction(6, 1)); SPL_ASSERT(check_max_downscale); check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.horz_c, spl_fixpt_from_fraction(6, 1)); SPL_ASSERT(check_max_downscale); check_max_downscale = spl_fixpt_le(spl_scratch->scl_data.ratios.vert_c, spl_fixpt_from_fraction(6, 1)); SPL_ASSERT(check_max_downscale); if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz)) spl_scratch->scl_data.taps.h_taps = 1; if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert)) spl_scratch->scl_data.taps.v_taps = 1; if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c) && !is_subsampled) spl_scratch->scl_data.taps.h_taps_c = 1; if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c) && !is_subsampled) spl_scratch->scl_data.taps.v_taps_c = 1; } /* Calculate optimal number of taps */ static bool spl_get_optimal_number_of_taps( int max_downscale_src_width, struct spl_in *spl_in, struct spl_scratch *spl_scratch, const struct spl_taps *in_taps, bool *enable_easf_v, bool *enable_easf_h, bool *enable_isharp) { int num_part_y, num_part_c; unsigned int max_taps_y, max_taps_c; unsigned int min_taps_y, min_taps_c; enum lb_memory_config lb_config; bool skip_easf = false; bool is_subsampled = spl_is_subsampled_format(spl_in->basic_in.format); if (spl_scratch->scl_data.viewport.width > spl_scratch->scl_data.h_active && max_downscale_src_width != 0 && spl_scratch->scl_data.viewport.width > max_downscale_src_width) { spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps, is_subsampled); *enable_easf_v = false; *enable_easf_h = false; *enable_isharp = false; return false; } /* Disable adaptive scaler and sharpener when integer scaling is enabled */ if (spl_in->scaling_quality.integer_scaling) { spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps, is_subsampled); *enable_easf_v = false; *enable_easf_h = false; *enable_isharp = false; return true; } /* Check if we are using EASF or not */ skip_easf = enable_easf(spl_in, spl_scratch); /* * Set default taps if none are provided * From programming guide: taps = min{ ceil(2*H_RATIO,1), 8} for downscaling * taps = 4 for upscaling */ if (skip_easf) { spl_get_taps_non_adaptive_scaler(spl_scratch, in_taps, is_subsampled); } else { if (spl_is_video_format(spl_in->basic_in.format)) { spl_scratch->scl_data.taps.h_taps = 6; spl_scratch->scl_data.taps.v_taps = 6; spl_scratch->scl_data.taps.h_taps_c = 4; spl_scratch->scl_data.taps.v_taps_c = 4; } else { /* RGB */ spl_scratch->scl_data.taps.h_taps = 6; spl_scratch->scl_data.taps.v_taps = 6; spl_scratch->scl_data.taps.h_taps_c = 6; spl_scratch->scl_data.taps.v_taps_c = 6; } } /*Ensure we can support the requested number of vtaps*/ min_taps_y = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert); min_taps_c = spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c); /* Use LB_MEMORY_CONFIG_3 for 4:2:0 */ if (spl_is_yuv420(spl_in->basic_in.format)) lb_config = LB_MEMORY_CONFIG_3; else lb_config = LB_MEMORY_CONFIG_0; // Determine max vtap support by calculating how much line buffer can fit spl_in->callbacks.spl_calc_lb_num_partitions(spl_in->basic_out.alpha_en, &spl_scratch->scl_dat lb_config, &num_part_y, &num_part_c); /* MAX_V_TAPS = MIN (NUM_LINES - MAX(CEILING(V_RATIO,1)-2, 0), 8) */ if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) > 2) if ((spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2) > num_part_y) max_taps_y = 0; else max_taps_y = num_part_y - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert) - 2); else max_taps_y = num_part_y; if (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) > 2) if ((spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2) > num_part_c) max_taps_c = 0; else max_taps_c = num_part_c - (spl_fixpt_ceil(spl_scratch->scl_data.ratios.vert_c) - 2); else max_taps_c = num_part_c; if (max_taps_y < min_taps_y) return false; else if (max_taps_c < min_taps_c) return false; if (spl_scratch->scl_data.taps.v_taps > max_taps_y) spl_scratch->scl_data.taps.v_taps = max_taps_y; if (spl_scratch->scl_data.taps.v_taps_c > max_taps_c) spl_scratch->scl_data.taps.v_taps_c = max_taps_c; if (!skip_easf) { /* * RGB ( L + NL ) and Linear HDR support 6x6, 6x4, 6x3, 4x4, 4x3 * NL YUV420 only supports 6x6, 6x4 for Y and 4x4 for UV * * If LB does not support 3, 4, or 6 taps, then disable EASF_V * and only enable EASF_H. So for RGB, support 6x2, 4x2 * and for NL YUV420, support 6x2 for Y and 4x2 for UV * * All other cases, have to disable EASF_V and EASF_H * * If optimal no of taps is 5, then set it to 4 * If optimal no of taps is 7 or 8, then fine since max tap is 6 * */ if (spl_scratch->scl_data.taps.v_taps == 5) spl_scratch->scl_data.taps.v_taps = 4; if (spl_scratch->scl_data.taps.v_taps_c == 5) spl_scratch->scl_data.taps.v_taps_c = 4; if (spl_scratch->scl_data.taps.h_taps == 5) spl_scratch->scl_data.taps.h_taps = 4; if (spl_scratch->scl_data.taps.h_taps_c == 5) spl_scratch->scl_data.taps.h_taps_c = 4; if (spl_is_video_format(spl_in->basic_in.format)) { if (spl_scratch->scl_data.taps.h_taps <= 4) { *enable_easf_v = false; *enable_easf_h = false; } else if (spl_scratch->scl_data.taps.v_taps <= 3) { *enable_easf_v = false; *enable_easf_h = true; } else { *enable_easf_v = true; *enable_easf_h = true; } SPL_ASSERT((spl_scratch->scl_data.taps.v_taps > 1) && (spl_scratch->scl_data.taps.v_taps_c > 1)); } else { /* RGB */ if (spl_scratch->scl_data.taps.h_taps <= 3) { *enable_easf_v = false; *enable_easf_h = false; } else if (spl_scratch->scl_data.taps.v_taps < 3) { *enable_easf_v = false; *enable_easf_h = true; } else { *enable_easf_v = true; *enable_easf_h = true; } SPL_ASSERT(spl_scratch->scl_data.taps.v_taps > 1); } } else { *enable_easf_v = false; *enable_easf_h = false; } // end of if prefer_easf /* Sharpener requires scaler to be enabled, including for 1:1 * Check if ISHARP can be enabled * If ISHARP is not enabled, set taps to 1 if ratio is 1:1 * except for chroma taps. Keep previous taps so it can * handle cositing */ *enable_isharp = spl_get_isharp_en(spl_in, spl_scratch); if (!*enable_isharp && !spl_in->basic_out.always_scale) { if ((IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz)) && (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert))) { spl_scratch->scl_data.taps.h_taps = 1; spl_scratch->scl_data.taps.v_taps = 1; if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c) && !is_subsampled) spl_scratch->scl_data.taps.h_taps_c = 1; if (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c) && !is_subsampled) spl_scratch->scl_data.taps.v_taps_c = 1; *enable_easf_v = false; *enable_easf_h = false; } else { if ((!*enable_easf_h) && (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz))) spl_scratch->scl_data.taps.h_taps = 1; if ((!*enable_easf_v) && (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert))) spl_scratch->scl_data.taps.v_taps = 1; if ((!*enable_easf_h) && !is_subsampled && (IDENTITY_RATIO(spl_scratch->scl_data.ratios.horz_c))) spl_scratch->scl_data.taps.h_taps_c = 1; if ((!*enable_easf_v) && !is_subsampled && (IDENTITY_RATIO(spl_scratch->scl_data.ratios.vert_c))) spl_scratch->scl_data.taps.v_taps_c = 1; } } return true; } static void spl_set_black_color_data(enum spl_pixel_format format, struct scl_black_color *scl_black_color) { bool ycbcr = spl_is_video_format(format); if (ycbcr) { scl_black_color->offset_rgb_y = BLACK_OFFSET_RGB_Y; scl_black_color->offset_rgb_cbcr = BLACK_OFFSET_CBCR; } else { scl_black_color->offset_rgb_y = 0x0; scl_black_color->offset_rgb_cbcr = 0x0; } } static void spl_set_manual_ratio_init_data(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *scl_data) { struct spl_fixed31_32 bot; dscl_prog_data->ratios.h_scale_ratio = spl_fixpt_u3d19(scl_data->ratios.horz) << 5; dscl_prog_data->ratios.v_scale_ratio = spl_fixpt_u3d19(scl_data->ratios.vert) << 5; dscl_prog_data->ratios.h_scale_ratio_c = spl_fixpt_u3d19(scl_data->ratios.horz_c) << 5; dscl_prog_data->ratios.v_scale_ratio_c = spl_fixpt_u3d19(scl_data->ratios.vert_c) << 5; /* * 0.24 format for fraction, first five bits zeroed */ dscl_prog_data->init.h_filter_init_frac = spl_fixpt_u0d19(scl_data->inits.h) << 5; dscl_prog_data->init.h_filter_init_int = spl_fixpt_floor(scl_data->inits.h); dscl_prog_data->init.h_filter_init_frac_c = spl_fixpt_u0d19(scl_data->inits.h_c) << 5; dscl_prog_data->init.h_filter_init_int_c = spl_fixpt_floor(scl_data->inits.h_c); dscl_prog_data->init.v_filter_init_frac = spl_fixpt_u0d19(scl_data->inits.v) << 5; dscl_prog_data->init.v_filter_init_int = spl_fixpt_floor(scl_data->inits.v); dscl_prog_data->init.v_filter_init_frac_c = spl_fixpt_u0d19(scl_data->inits.v_c) << 5; dscl_prog_data->init.v_filter_init_int_c = spl_fixpt_floor(scl_data->inits.v_c); bot = spl_fixpt_add(scl_data->inits.v, scl_data->ratios.vert); dscl_prog_data->init.v_filter_init_bot_frac = spl_fixpt_u0d19(bot) << 5; dscl_prog_data->init.v_filter_init_bot_int = spl_fixpt_floor(bot); bot = spl_fixpt_add(scl_data->inits.v_c, scl_data->ratios.vert_c); dscl_prog_data->init.v_filter_init_bot_frac_c = spl_fixpt_u0d19(bot) << 5; dscl_prog_data->init.v_filter_init_bot_int_c = spl_fixpt_floor(bot); } static void spl_set_taps_data(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *scl_data) { dscl_prog_data->taps.v_taps = scl_data->taps.v_taps - 1; dscl_prog_data->taps.h_taps = scl_data->taps.h_taps - 1; dscl_prog_data->taps.v_taps_c = scl_data->taps.v_taps_c - 1; dscl_prog_data->taps.h_taps_c = scl_data->taps.h_taps_c - 1; } /* Populate dscl prog data structure from scaler data calculated by SPL */ static void spl_set_dscl_prog_data(struct spl_in *spl_in, struct spl_scratch *spl_scrat struct spl_out *spl_out, bool enable_easf_v, bool enable_easf_h, bool enable_isharp) { struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; const struct spl_scaler_data *data = &spl_scratch->scl_data; struct scl_black_color *scl_black_color = &dscl_prog_data->scl_black_color; bool enable_easf = enable_easf_v || enable_easf_h; // Set values for recout dscl_prog_data->recout = spl_scratch->scl_data.recout; // Set values for MPC Size dscl_prog_data->mpc_size.width = spl_scratch->scl_data.h_active; dscl_prog_data->mpc_size.height = spl_scratch->scl_data.v_active; // SCL_MODE - Set SCL_MODE data dscl_prog_data->dscl_mode = spl_get_dscl_mode(spl_in, data, enable_isharp, enable_easf); // SCL_BLACK_COLOR spl_set_black_color_data(spl_in->basic_in.format, scl_black_color); /* Manually calculate scale ratio and init values */ spl_set_manual_ratio_init_data(dscl_prog_data, data); // Set HTaps/VTaps spl_set_taps_data(dscl_prog_data, data); // Set viewport dscl_prog_data->viewport = spl_scratch->scl_data.viewport; // Set viewport_c dscl_prog_data->viewport_c = spl_scratch->scl_data.viewport_c; // Set filters data spl_set_filters_data(dscl_prog_data, data, enable_easf_v, enable_easf_h); } /* Calculate C0-C3 coefficients based on HDR_mult */ static void spl_calculate_c0_c3_hdr(struct dscl_prog_data *dscl_prog_data, uint32_t sd { struct spl_fixed31_32 hdr_mult, c0_mult, c1_mult, c2_mult; struct spl_fixed31_32 c0_calc, c1_calc, c2_calc; struct spl_custom_float_format fmt; uint32_t hdr_multx100_int; if ((sdr_white_level_nits >= 80) && (sdr_white_level_nits <= 480)) hdr_multx100_int = sdr_white_level_nits * 100 / 80; else hdr_multx100_int = 100; /* default for 80 nits otherwise */ hdr_mult = spl_fixpt_from_fraction((long long)hdr_multx100_int, 100LL); c0_mult = spl_fixpt_from_fraction(2126LL, 10000LL); c1_mult = spl_fixpt_from_fraction(7152LL, 10000LL); c2_mult = spl_fixpt_from_fraction(722LL, 10000LL); c0_calc = spl_fixpt_mul(hdr_mult, spl_fixpt_mul(c0_mult, spl_fixpt_from_fraction( 16384LL, 125LL))); c1_calc = spl_fixpt_mul(hdr_mult, spl_fixpt_mul(c1_mult, spl_fixpt_from_fraction( 16384LL, 125LL))); c2_calc = spl_fixpt_mul(hdr_mult, spl_fixpt_mul(c2_mult, spl_fixpt_from_fraction( 16384LL, 125LL))); fmt.exponenta_bits = 5; fmt.mantissa_bits = 10; fmt.sign = true; // fp1.5.10, C0 coefficient (LN_rec709: HDR_MULT * 0.212600 * 2^14/125) spl_convert_to_custom_float_format(c0_calc, &fmt, &dscl_prog_data->easf_matrix_c0); // fp1.5.10, C1 coefficient (LN_rec709: HDR_MULT * 0.715200 * 2^14/125) spl_convert_to_custom_float_format(c1_calc, &fmt, &dscl_prog_data->easf_matrix_c1); // fp1.5.10, C2 coefficient (LN_rec709: HDR_MULT * 0.072200 * 2^14/125) spl_convert_to_custom_float_format(c2_calc, &fmt, &dscl_prog_data->easf_matrix_c2); dscl_prog_data->easf_matrix_c3 = 0x0; // fp1.5.10, C3 coefficient } /* Set EASF data */ static void spl_set_easf_data(struct spl_scratch *spl_scratch, struct spl_out *spl_out, bool enable_easf_h, enum linear_light_scaling lls_pref, enum spl_pixel_format format, enum system_setup setup, uint32_t sdr_white_level_nits) { struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; if (enable_easf_v) { dscl_prog_data->easf_v_en = true; dscl_prog_data->easf_v_ring = 0; dscl_prog_data->easf_v_sharp_factor = 1; dscl_prog_data->easf_v_bf1_en = 1; // 1-bit, BF1 calculation enable, 0=disable, 1=enable dscl_prog_data->easf_v_bf2_mode = 0xF; // 4-bit, BF2 calculation mode /* 2-bit, BF3 chroma mode correction calculation mode */ dscl_prog_data->easf_v_bf3_mode = spl_get_v_bf3_mode( spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10 [ minCoef ]*/ dscl_prog_data->easf_v_ringest_3tap_dntilt_uptilt = spl_get_3tap_dntilt_uptilt_offset(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10 [ upTiltMaxVal ]*/ dscl_prog_data->easf_v_ringest_3tap_uptilt_max = spl_get_3tap_uptilt_maxval(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10 [ dnTiltSlope ]*/ dscl_prog_data->easf_v_ringest_3tap_dntilt_slope = spl_get_3tap_dntilt_slope(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10 [ upTilt1Slope ]*/ dscl_prog_data->easf_v_ringest_3tap_uptilt1_slope = spl_get_3tap_uptilt1_slope(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10 [ upTilt2Slope ]*/ dscl_prog_data->easf_v_ringest_3tap_uptilt2_slope = spl_get_3tap_uptilt2_slope(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10 [ upTilt2Offset ]*/ dscl_prog_data->easf_v_ringest_3tap_uptilt2_offset = spl_get_3tap_uptilt2_offset(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10; (2.0) Ring reducer gain for 4 or 6-tap mode [H_REDUCER_GAIN4] */ dscl_prog_data->easf_v_ringest_eventap_reduceg1 = spl_get_reducer_gain4(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10; (2.5) Ring reducer gain for 6-tap mode [V_REDUCER_GAIN6] */ dscl_prog_data->easf_v_ringest_eventap_reduceg2 = spl_get_reducer_gain6(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10; (-0.135742) Ring gain for 6-tap set to -139/1024 */ dscl_prog_data->easf_v_ringest_eventap_gain1 = spl_get_gainRing4(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); /* FP1.5.10; (-0.024414) Ring gain for 6-tap set to -25/1024 */ dscl_prog_data->easf_v_ringest_eventap_gain2 = spl_get_gainRing6(spl_scratch->scl_data.taps.v_taps, spl_scratch->scl_data.recip_ratios.vert); dscl_prog_data->easf_v_bf_maxa = 63; //Vertical Max BF value A in U0.6 format.Selected if V_F dscl_prog_data->easf_v_bf_maxb = 63; //Vertical Max BF value A in U0.6 format.Selected if V_F dscl_prog_data->easf_v_bf_mina = 0; //Vertical Min BF value A in U0.6 format.Selected if V_FC dscl_prog_data->easf_v_bf_minb = 0; //Vertical Min BF value A in U0.6 format.Selected if V_FC if (lls_pref == LLS_PREF_YES) { dscl_prog_data->easf_v_bf2_flat1_gain = 4; // U1.3, BF2 Flat1 Gain control dscl_prog_data->easf_v_bf2_flat2_gain = 8; // U4.0, BF2 Flat2 Gain control dscl_prog_data->easf_v_bf2_roc_gain = 4; // U2.2, Rate Of Change control dscl_prog_data->easf_v_bf1_pwl_in_seg0 = 0x600; // S0.10, BF1 PWL Segment 0 = -512 dscl_prog_data->easf_v_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_slope_seg0 = 3; // S7.3, BF1 Slope PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_in_seg1 = 0x7EC; // S0.10, BF1 PWL Segment 1 = -20 dscl_prog_data->easf_v_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_slope_seg1 = 326; // S7.3, BF1 Slope PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_in_seg3 = 16; // S0.10, BF1 PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_slope_seg3 = 0x7C8; // S7.3, BF1 Slope PWL Segment 3 = -56 dscl_prog_data->easf_v_bf1_pwl_in_seg4 = 32; // S0.10, BF1 PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_slope_seg4 = 0x7D0; // S7.3, BF1 Slope PWL Segment 4 = -48 dscl_prog_data->easf_v_bf1_pwl_in_seg5 = 48; // S0.10, BF1 PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_slope_seg5 = 0x710; // S7.3, BF1 Slope PWL Segment 5 = -240 dscl_prog_data->easf_v_bf1_pwl_in_seg6 = 64; // S0.10, BF1 PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_slope_seg6 = 0x760; // S7.3, BF1 Slope PWL Segment 6 = -160 dscl_prog_data->easf_v_bf1_pwl_in_seg7 = 80; // S0.10, BF1 PWL Segment 7 dscl_prog_data->easf_v_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 dscl_prog_data->easf_v_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_slope_set0 = 0x12C5; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_in_set1 = 0x0B37; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0078125 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set1 = 62; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_slope_set1 = 0x13B8; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_in_set2 = 0x0BB7; // FP0.6.6, BF3 Input value PWL Segment 2 (0.03125 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_slope_set2 = 0x1356; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_in_set3 = 0x0BF7; // FP0.6.6, BF3 Input value PWL Segment 3 (0.0625 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_slope_set3 = 0x136B; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_in_set4 = 0x0C37; // FP0.6.6, BF3 Input value PWL Segment 4 (0.125 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set4 = 0x4E; // S0.6, BF3 Base PWL Segment 4 = -50 dscl_prog_data->easf_v_bf3_pwl_slope_set4 = 0x1200; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_v_bf3_pwl_in_set5 = 0x0CF7; // FP0.6.6, BF3 Input value PWL Segment 5 (1.0 * 125^3) dscl_prog_data->easf_v_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 } else { dscl_prog_data->easf_v_bf2_flat1_gain = 13; // U1.3, BF2 Flat1 Gain control dscl_prog_data->easf_v_bf2_flat2_gain = 15; // U4.0, BF2 Flat2 Gain control dscl_prog_data->easf_v_bf2_roc_gain = 14; // U2.2, Rate Of Change control dscl_prog_data->easf_v_bf1_pwl_in_seg0 = 0x440; // S0.10, BF1 PWL Segment 0 = -960 dscl_prog_data->easf_v_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_slope_seg0 = 2; // S7.3, BF1 Slope PWL Segment 0 dscl_prog_data->easf_v_bf1_pwl_in_seg1 = 0x7C4; // S0.10, BF1 PWL Segment 1 = -60 dscl_prog_data->easf_v_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_slope_seg1 = 109; // S7.3, BF1 Slope PWL Segment 1 dscl_prog_data->easf_v_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 dscl_prog_data->easf_v_bf1_pwl_in_seg3 = 48; // S0.10, BF1 PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 dscl_prog_data->easf_v_bf1_pwl_slope_seg3 = 0x7ED; // S7.3, BF1 Slope PWL Segment 3 = -19 dscl_prog_data->easf_v_bf1_pwl_in_seg4 = 96; // S0.10, BF1 PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 dscl_prog_data->easf_v_bf1_pwl_slope_seg4 = 0x7F0; // S7.3, BF1 Slope PWL Segment 4 = -16 dscl_prog_data->easf_v_bf1_pwl_in_seg5 = 144; // S0.10, BF1 PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 dscl_prog_data->easf_v_bf1_pwl_slope_seg5 = 0x7B0; // S7.3, BF1 Slope PWL Segment 5 = -80 dscl_prog_data->easf_v_bf1_pwl_in_seg6 = 192; // S0.10, BF1 PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 dscl_prog_data->easf_v_bf1_pwl_slope_seg6 = 0x7CB; // S7.3, BF1 Slope PWL Segment 6 = -53 dscl_prog_data->easf_v_bf1_pwl_in_seg7 = 240; // S0.10, BF1 PWL Segment 7 dscl_prog_data->easf_v_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 dscl_prog_data->easf_v_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_slope_set0 = 0x0000; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_v_bf3_pwl_in_set1 = 0x06C0; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0625) dscl_prog_data->easf_v_bf3_pwl_base_set1 = 63; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_slope_set1 = 0x1896; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_v_bf3_pwl_in_set2 = 0x0700; // FP0.6.6, BF3 Input value PWL Segment 2 (0.125) dscl_prog_data->easf_v_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_slope_set2 = 0x1810; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_v_bf3_pwl_in_set3 = 0x0740; // FP0.6.6, BF3 Input value PWL Segment 3 (0.25) dscl_prog_data->easf_v_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_slope_set3 = 0x1878; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_v_bf3_pwl_in_set4 = 0x0761; // FP0.6.6, BF3 Input value PWL Segment 4 (0.375) dscl_prog_data->easf_v_bf3_pwl_base_set4 = 0x44; // S0.6, BF3 Base PWL Segment 4 = -60 dscl_prog_data->easf_v_bf3_pwl_slope_set4 = 0x1760; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_v_bf3_pwl_in_set5 = 0x0780; // FP0.6.6, BF3 Input value PWL Segment 5 (0.5) dscl_prog_data->easf_v_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 } } else dscl_prog_data->easf_v_en = false; if (enable_easf_h) { dscl_prog_data->easf_h_en = true; dscl_prog_data->easf_h_ring = 0; dscl_prog_data->easf_h_sharp_factor = 1; dscl_prog_data->easf_h_bf1_en = 1; // 1-bit, BF1 calculation enable, 0=disable, 1=enable dscl_prog_data->easf_h_bf2_mode = 0xF; // 4-bit, BF2 calculation mode /* 2-bit, BF3 chroma mode correction calculation mode */ dscl_prog_data->easf_h_bf3_mode = spl_get_h_bf3_mode( spl_scratch->scl_data.recip_ratios.horz); /* FP1.5.10; (2.0) Ring reducer gain for 4 or 6-tap mode [H_REDUCER_GAIN4] */ dscl_prog_data->easf_h_ringest_eventap_reduceg1 = spl_get_reducer_gain4(spl_scratch->scl_data.taps.h_taps, spl_scratch->scl_data.recip_ratios.horz); /* FP1.5.10; (2.5) Ring reducer gain for 6-tap mode [V_REDUCER_GAIN6] */ dscl_prog_data->easf_h_ringest_eventap_reduceg2 = spl_get_reducer_gain6(spl_scratch->scl_data.taps.h_taps, le, You can obtain one at http://mozilla.org/MPL/2.0/# This file incorporates work covered b /# except in compliance with the License. You may obtain a copy of dscl_prog_data->easf_h_ringest_eventap_gain1 = java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 spl_scratch->scl_data.recip_ratios.horz); /* FP1.5.10; (-0.024414) Ring gain for 6-tap set to -25/1024 */ dscl_prog_data->easf_h_ringest_eventap_gain2 = spl_get_gainRing6(spl_scratch->scl_data.taps.h_taps, spl_scratch->scl_data.recip_ratios.horz); dscl_prog_data->easf_h_bf_maxa = 63; //Horz Max BF value A in U0.6 format.Selected if H_FCNTL dscl_prog_data->easf_h_bf_maxb = 63; //Horz Max BF value B in U0.6 format.Selected if H_FCNTL dscl_prog_data->easf_h_bf_mina = 0; //Horz Min BF value B in U0.6 format.Selected if H_FCNTL= dscl_prog_data->easf_h_bf_minb = 0; //Horz Min BF value B in U0.6 format.Selected if H_FCNTL= if (lls_pref == LLS_PREF_YES) { dscl_prog_data->easf_h_bf2_flat1_gain = 4; // U1.3, BF2 Flat1 Gain control dscl_prog_data->easf_h_bf2_flat2_gain = 8; // U4.0, BF2 Flat2 Gain control dscl_prog_data->easf_h_bf2_roc_gain = 4; // U2.2, Rate Of Change control dscl_prog_data->easf_h_bf1_pwl_in_seg0 = 0x600; // S0.10, BF1 PWL Segment 0 = -512 dscl_prog_data->easf_h_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_slope_seg0 = 3; // S7.3, BF1 Slope PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_in_seg1 = 0x7EC; // S0.10, BF1 PWL Segment 1 = -20 dscl_prog_data->easf_h_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_slope_seg1 = 326; // S7.3, BF1 Slope PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_in_seg3 = 16; // S0.10, BF1 PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_slope_seg3 = 0x7C8; // S7.3, BF1 Slope PWL Segment 3 = -56 dscl_prog_data->easf_h_bf1_pwl_in_seg4 = 32; // S0.10, BF1 PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_slope_seg4 = 0x7D0; // S7.3, BF1 Slope PWL Segment 4 = -48 dscl_prog_data->easf_h_bf1_pwl_in_seg5 = 48; // S0.10, BF1 PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_slope_seg5 = 0x710; // S7.3, BF1 Slope PWL Segment 5 = -240 dscl_prog_data->easf_h_bf1_pwl_in_seg6 = 64; // S0.10, BF1 PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_slope_seg6 = 0x760; // S7.3, BF1 Slope PWL Segment 6 = -160 dscl_prog_data->easf_h_bf1_pwl_in_seg7 = 80; // S0.10, BF1 PWL Segment 7 dscl_prog_data->easf_h_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 dscl_prog_data->easf_h_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_slope_set0 = 0x12C5; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_in_set1 = 0x0B37; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0078125 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set1 = 62; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_slope_set1 = 0x13B8; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_in_set2 = 0x0BB7; // FP0.6.6, BF3 Input value PWL Segment 2 (0.03125 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_slope_set2 = 0x1356; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_in_set3 = 0x0BF7; // FP0.6.6, BF3 Input value PWL Segment 3 (0.0625 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_slope_set3 = 0x136B; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_in_set4 = 0x0C37; // FP0.6.6, BF3 Input value PWL Segment 4 (0.125 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set4 = 0x4E; // S0.6, BF3 Base PWL Segment 4 = -50 dscl_prog_data->easf_h_bf3_pwl_slope_set4 = 0x1200; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_h_bf3_pwl_in_set5 = 0x0CF7; // FP0.6.6, BF3 Input value PWL Segment 5 (1.0 * 125^3) dscl_prog_data->easf_h_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 } else { dscl_prog_data->easf_h_bf2_flat1_gain = 13; // U1.3, BF2 Flat1 Gain control dscl_prog_data->easf_h_bf2_flat2_gain = 15; // U4.0, BF2 Flat2 Gain control dscl_prog_data->easf_h_bf2_roc_gain = 14; // U2.2, Rate Of Change control dscl_prog_data->easf_h_bf1_pwl_in_seg0 = 0x440; // S0.10, BF1 PWL Segment 0 = -960 dscl_prog_data->easf_h_bf1_pwl_base_seg0 = 0; // U0.6, BF1 Base PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_slope_seg0 = 2; // S7.3, BF1 Slope PWL Segment 0 dscl_prog_data->easf_h_bf1_pwl_in_seg1 = 0x7C4; // S0.10, BF1 PWL Segment 1 = -60 dscl_prog_data->easf_h_bf1_pwl_base_seg1 = 12; // U0.6, BF1 Base PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_slope_seg1 = 109; // S7.3, BF1 Slope PWL Segment 1 dscl_prog_data->easf_h_bf1_pwl_in_seg2 = 0; // S0.10, BF1 PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_base_seg2 = 63; // U0.6, BF1 Base PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_slope_seg2 = 0; // S7.3, BF1 Slope PWL Segment 2 dscl_prog_data->easf_h_bf1_pwl_in_seg3 = 48; // S0.10, BF1 PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_base_seg3 = 63; // U0.6, BF1 Base PWL Segment 3 dscl_prog_data->easf_h_bf1_pwl_slope_seg3 = 0x7ED; // S7.3, BF1 Slope PWL Segment 3 = -19 dscl_prog_data->easf_h_bf1_pwl_in_seg4 = 96; // S0.10, BF1 PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_base_seg4 = 56; // U0.6, BF1 Base PWL Segment 4 dscl_prog_data->easf_h_bf1_pwl_slope_seg4 = 0x7F0; // S7.3, BF1 Slope PWL Segment 4 = -16 dscl_prog_data->easf_h_bf1_pwl_in_seg5 = 144; // S0.10, BF1 PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_base_seg5 = 50; // U0.6, BF1 Base PWL Segment 5 dscl_prog_data->easf_h_bf1_pwl_slope_seg5 = 0x7B0; // S7.3, BF1 Slope PWL Segment 5 = -80 dscl_prog_data->easf_h_bf1_pwl_in_seg6 = 192; // S0.10, BF1 PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_base_seg6 = 20; // U0.6, BF1 Base PWL Segment 6 dscl_prog_data->easf_h_bf1_pwl_slope_seg6 = 0x7CB; // S7.3, BF1 Slope PWL Segment 6 = -53 dscl_prog_data->easf_h_bf1_pwl_in_seg7 = 240; // S0.10, BF1 PWL Segment 7 dscl_prog_data->easf_h_bf1_pwl_base_seg7 = 0; // U0.6, BF1 Base PWL Segment 7 dscl_prog_data->easf_h_bf3_pwl_in_set0 = 0x000; // FP0.6.6, BF3 Input value PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_base_set0 = 63; // S0.6, BF3 Base PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_slope_set0 = 0x0000; // FP1.6.6, BF3 Slope PWL Segment 0 dscl_prog_data->easf_h_bf3_pwl_in_set1 = 0x06C0; // FP0.6.6, BF3 Input value PWL Segment 1 (0.0625) dscl_prog_data->easf_h_bf3_pwl_base_set1 = 63; // S0.6, BF3 Base PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_slope_set1 = 0x1896; // FP1.6.6, BF3 Slope PWL Segment 1 dscl_prog_data->easf_h_bf3_pwl_in_set2 = 0x0700; // FP0.6.6, BF3 Input value PWL Segment 2 (0.125) dscl_prog_data->easf_h_bf3_pwl_base_set2 = 20; // S0.6, BF3 Base PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_slope_set2 = 0x1810; // FP1.6.6, BF3 Slope PWL Segment 2 dscl_prog_data->easf_h_bf3_pwl_in_set3 = 0x0740; // FP0.6.6, BF3 Input value PWL Segment 3 (0.25) dscl_prog_data->easf_h_bf3_pwl_base_set3 = 0; // S0.6, BF3 Base PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_slope_set3 = 0x1878; // FP1.6.6, BF3 Slope PWL Segment 3 dscl_prog_data->easf_h_bf3_pwl_in_set4 = 0x0761; // FP0.6.6, BF3 Input value PWL Segment 4 (0.375) dscl_prog_data->easf_h_bf3_pwl_base_set4 = 0x44; // S0.6, BF3 Base PWL Segment 4 = -60 dscl_prog_data->easf_h_bf3_pwl_slope_set4 = 0x1760; // FP1.6.6, BF3 Slope PWL Segment 4 dscl_prog_data->easf_h_bf3_pwl_in_set5 = 0x0780; // FP0.6.6, BF3 Input value PWL Segment 5 (0.5) dscl_prog_data->easf_h_bf3_pwl_base_set5 = 0x41; // S0.6, BF3 Base PWL Segment 5 = -63 } // if (lls_pref == LLS_PREF_YES) } else dscl_prog_data->easf_h_en = false; if (lls_pref == LLS_PREF_YES) { dscl_prog_data->easf_ltonl_en = 1; // Linear input if ((setup == HDR_L) && (spl_is_rgb8(format))) { /* Calculate C0-C3 coefficients based on HDR multiplier */ spl_calculate_c0_c3_hdr(dscl_prog_data, sdr_white_level_nits); } else { // HDR_L ( DWM ) and SDR_L dscl_prog_data->easf_matrix_c0 = 0x4EF7; // fp1.5.10, C0 coefficient (LN_rec709: 0.2126 * (2^14)/125 = 27.86590720) dscl_prog_data->easf_matrix_c1 = 0x55DC; // fp1.5.10, C1 coefficient (LN_rec709: 0.7152 * (2^14)/125 = 93.74269440) dscl_prog_data->easf_matrix_c2 = 0x48BB; // fp1.5.10, C2 coefficient (LN_rec709: 0.0722 * (2^14)/125 = 9.46339840) dscl_prog_data->easf_matrix_c3 = 0x0; // fp1.5.10, C3 coefficient } } else { dscl_prog_data->easf_ltonl_en = 0; // Non-Linear input dscl_prog_data->easf_matrix_c0 = 0x3434; // fp1.5.10, C0 coefficient (LN_BT2020: 0.262695312500000) dscl_prog_data->easf_matrix_c1 = 0x396D; // fp1.5.10, C1 coefficient (LN_BT2020: 0.678222656250000) dscl_prog_data->easf_matrix_c2 = 0x2B97; // fp1.5.10, C2 coefficient (LN_BT2020: 0.059295654296875) dscl_prog_data->easf_matrix_c3 = 0x0; // fp1.5.10, C3 coefficient } if (spl_is_subsampled_format(format)) { /* TODO: 0 = RGB, 1 = YUV */ dscl_prog_data->easf_matrix_mode = 1; /* * 2-bit, BF3 chroma mode correction calculation mode * Needs to be disabled for YUV420 mode * Override lookup value */ dscl_prog_data->easf_v_bf3_mode = 0; dscl_prog_data->easf_h_bf3_mode = 0; } else dscl_prog_data->easf_matrix_mode = 0; } /*Set isharp noise detection */ static void spl_set_isharp_noise_det_mode(struct dscl_prog_data *dscl_prog_data, const struct spl_scaler_data *data) { // ISHARP_NOISEDET_MODE // 0: 3x5 as VxH // 1: 4x5 as VxH // 2: // 3: 5x5 as VxH if (data->taps.v_taps == 6) dscl_prog_data->isharp_noise_det.mode = 3; else if (data->taps.v_taps == 4) dscl_prog_data->isharp_noise_det.mode = 1; else if (data->taps.v_taps == 3) dscl_prog_data->isharp_noise_det.mode = 0; }; /* Set Sharpener data */ static void spl_set_isharp_data(struct dscl_prog_data *dscl_prog_data, struct adaptive_sharpness adp_sharpness, bool enable_isharp, enum linear_light_scaling lls_pref, enum spl_pixel_format format, const struct spl_scaler_data *data, struct spl_fixed31_32 ratio, enum system_setup setup, enum scale_to_sharpness_policy scale_to_sharpness_policy) { /* Turn off sharpener if not required */ if (!enable_isharp) { dscl_prog_data->isharp_en = 0; return; } spl_build_isharp_1dlut_from_reference_curve(ratio, setup, adp_sharpness, scale_to_sharpness_policy); memcpy(dscl_prog_data->isharp_delta, spl_get_pregen_filter_isharp_1D_lut(setup), sizeof(uint32_t) * ISHARP_LUT_TABLE_SIZE); dscl_prog_data->sharpness_level = adp_sharpness.sharpness_level; dscl_prog_data->isharp_en = 1; // ISHARP_EN // Set ISHARP_NOISEDET_MODE if htaps = 6-tap if (data->taps.h_taps == 6) { dscl_prog_data->isharp_noise_det.enable = 1; /* ISHARP_NOISEDET_EN */ spl_set_isharp_noise_det_mode(dscl_prog_data, data); /* ISHARP_NOISEDET_MODE */ } else dscl_prog_data->isharp_noise_det.enable = 0; // ISHARP_NOISEDET_EN // Program noise detection threshold dscl_prog_data->isharp_noise_det.uthreshold = 24; // ISHARP_NOISEDET_UTHRE dscl_prog_data->isharp_noise_det.dthreshold = 4; // ISHARP_NOISEDET_DTHRE // Program noise detection gain dscl_prog_data->isharp_noise_det.pwl_start_in = 3; // ISHARP_NOISEDET_PWL_START_IN dscl_prog_data->isharp_noise_det.pwl_end_in = 13; // ISHARP_NOISEDET_PWL_END_IN dscl_prog_data->isharp_noise_det.pwl_slope = 1623; // ISHARP_NOISEDET_PWL_SLOPE if (lls_pref == LLS_PREF_NO) /* ISHARP_FMT_MODE */ dscl_prog_data->isharp_fmt.mode = 1; else dscl_prog_data->isharp_fmt.mode = 0; dscl_prog_data->isharp_fmt.norm = 0x3C00; // ISHARP_FMT_NORM dscl_prog_data->isharp_lba.mode = 0; // ISHARP_LBA_MODE if (setup == SDR_L) { // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 for dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[0] = 62; // ISHARP LBA for Seg 0. SLOPE value in S5.3 for // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 dscl_prog_data->isharp_lba.in_seg[1] = 130; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 fo dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 dscl_prog_data->isharp_lba.in_seg[2] = 450; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 fo dscl_prog_data->isharp_lba.slope_seg[2] = 0x18D; // ISHARP LBA for Seg 2. SLOPE value in S5.3 // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 dscl_prog_data->isharp_lba.in_seg[3] = 520; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 dscl_prog_data->isharp_lba.in_seg[4] = 520; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 dscl_prog_data->isharp_lba.in_seg[5] = 520; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 for } else if (setup == HDR_L) { // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 for dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[0] = 32; // ISHARP LBA for Seg 0. SLOPE value in S5.3 for // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 dscl_prog_data->isharp_lba.in_seg[1] = 254; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 fo dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 dscl_prog_data->isharp_lba.in_seg[2] = 559; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 fo dscl_prog_data->isharp_lba.slope_seg[2] = 0x10C; // ISHARP LBA for Seg 2. SLOPE value in S5.3 // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 dscl_prog_data->isharp_lba.in_seg[3] = 592; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 dscl_prog_data->isharp_lba.in_seg[4] = 1023; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 dscl_prog_data->isharp_lba.in_seg[5] = 1023; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 for } else { // ISHARP_LBA_PWL_SEG0: ISHARP Local Brightness Adjustment PWL Segment 0 dscl_prog_data->isharp_lba.in_seg[0] = 0; // ISHARP LBA PWL for Seg 0. INPUT value in U0.10 for dscl_prog_data->isharp_lba.base_seg[0] = 0; // ISHARP LBA PWL for Seg 0. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[0] = 40; // ISHARP LBA for Seg 0. SLOPE value in S5.3 for // ISHARP_LBA_PWL_SEG1: ISHARP LBA PWL Segment 1 dscl_prog_data->isharp_lba.in_seg[1] = 204; // ISHARP LBA PWL for Seg 1. INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[1] = 63; // ISHARP LBA PWL for Seg 1. BASE value in U0.6 fo dscl_prog_data->isharp_lba.slope_seg[1] = 0; // ISHARP LBA for Seg 1. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG2: ISHARP LBA PWL Segment 2 dscl_prog_data->isharp_lba.in_seg[2] = 818; // ISHARP LBA PWL for Seg 2. INPUT value in U0.10 f dscl_prog_data->isharp_lba.base_seg[2] = 63; // ISHARP LBA PWL for Seg 2. BASE value in U0.6 fo dscl_prog_data->isharp_lba.slope_seg[2] = 0x1D9; // ISHARP LBA for Seg 2. SLOPE value in S5.3 // ISHARP_LBA_PWL_SEG3: ISHARP LBA PWL Segment 3 dscl_prog_data->isharp_lba.in_seg[3] = 1023; // ISHARP LBA PWL for Seg 3.INPUT value in U0.10 dscl_prog_data->isharp_lba.base_seg[3] = 0; // ISHARP LBA PWL for Seg 3. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[3] = 0; // ISHARP LBA for Seg 3. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG4: ISHARP LBA PWL Segment 4 dscl_prog_data->isharp_lba.in_seg[4] = 1023; // ISHARP LBA PWL for Seg 4.INPUT value in U0.10 dscl_prog_data->isharp_lba.base_seg[4] = 0; // ISHARP LBA PWL for Seg 4. BASE value in U0.6 for dscl_prog_data->isharp_lba.slope_seg[4] = 0; // ISHARP LBA for Seg 4. SLOPE value in S5.3 form // ISHARP_LBA_PWL_SEG5: ISHARP LBA PWL Segment 5 dscl_prog_data->isharp_lba.in_seg[5] = 1023; // ISHARP LBA PWL for Seg 5.INPUT value in U0.10 dscl_prog_data->isharp_lba.base_seg[5] = 0; // ISHARP LBA PWL for Seg 5. BASE value in U0.6 for } // Program the nldelta soft clip values if (lls_pref == LLS_PREF_YES) { dscl_prog_data->isharp_nldelta_sclip.enable_p = 0; /* ISHARP_NLDELTA_SCLIP_EN_P */ dscl_prog_data->isharp_nldelta_sclip.pivot_p = 0; /* ISHARP_NLDELTA_SCLIP_PIVOT_P */ dscl_prog_data->isharp_nldelta_sclip.slope_p = 0; /* ISHARP_NLDELTA_SCLIP_SLOPE_P */ dscl_prog_data->isharp_nldelta_sclip.enable_n = 1; /* ISHARP_NLDELTA_SCLIP_EN_N */ dscl_prog_data->isharp_nldelta_sclip.pivot_n = 71; /* ISHARP_NLDELTA_SCLIP_PIVOT_N */ dscl_prog_data->isharp_nldelta_sclip.slope_n = 16; /* ISHARP_NLDELTA_SCLIP_SLOPE_N */ } else { dscl_prog_data->isharp_nldelta_sclip.enable_p = 1; /* ISHARP_NLDELTA_SCLIP_EN_P */ dscl_prog_data->isharp_nldelta_sclip.pivot_p = 70; /* ISHARP_NLDELTA_SCLIP_PIVOT_P */ dscl_prog_data->isharp_nldelta_sclip.slope_p = 24; /* ISHARP_NLDELTA_SCLIP_SLOPE_P */ dscl_prog_data->isharp_nldelta_sclip.enable_n = 1; /* ISHARP_NLDELTA_SCLIP_EN_N */ dscl_prog_data->isharp_nldelta_sclip.pivot_n = 70; /* ISHARP_NLDELTA_SCLIP_PIVOT_N */ dscl_prog_data->isharp_nldelta_sclip.slope_n = 24; /* ISHARP_NLDELTA_SCLIP_SLOPE_N */ } // Set the values as per lookup table spl_set_blur_scale_data(dscl_prog_data, data); } /* Calculate recout, scaling ratio, and viewport, then get optimal number of taps */ static bool spl_calculate_number_of_taps(struct spl_in *spl_in, struct spl_scratch *spl bool *enable_easf_v, bool *enable_easf_h, bool *enable_isharp) { bool res = false; memset(spl_scratch, 0, sizeof(struct spl_scratch)); spl_scratch->scl_data.h_active = spl_in->h_active; spl_scratch->scl_data.v_active = spl_in->v_active; // All SPL calls /* recout calculation */ /* depends on h_active */ spl_calculate_recout(spl_in, spl_scratch, spl_out); /* depends on pixel format */ spl_calculate_scaling_ratios(spl_in, spl_scratch, spl_out); /* Adjust recout for opp if needed */ spl_opp_adjust_rect(&spl_scratch->scl_data.recout, &spl_in->basic_in.opp_recout_adjust); /* depends on scaling ratios and recout, does not calculate offset yet */ spl_calculate_viewport_size(spl_in, spl_scratch); res = spl_get_optimal_number_of_taps( spl_in->basic_out.max_downscale_src_width, spl_in, spl_scratch, &spl_in->scaling_quality, enable_easf_v, enable_easf_h, enable_isharp); return res; } /* Calculate scaler parameters */ bool SPL_NAMESPACE(spl_calculate_scaler_params(struct spl_in *spl_in, struct spl_out * { bool res = false; bool enable_easf_v = false; bool enable_easf_h = false; int vratio = 0; int hratio = 0; struct spl_scratch spl_scratch; struct spl_fixed31_32 isharp_scale_ratio; enum system_setup setup; bool enable_isharp = false; const struct spl_scaler_data *data = &spl_scratch.scl_data; res = spl_calculate_number_of_taps(spl_in, &spl_scratch, spl_out, &enable_easf_v, &enable_easf_h, &enable_isharp); /* * Depends on recout, scaling ratios, h_active and taps * May need to re-check lb size after this in some obscure scenario */ if (res) spl_calculate_inits_and_viewports(spl_in, &spl_scratch); // Handle 3d recout spl_handle_3d_recout(spl_in, &spl_scratch.scl_data.recout); // Clamp spl_clamp_viewport(&spl_scratch.scl_data.viewport, spl_in->min_viewport_size); // Save all calculated parameters in dscl_prog_data structure to program hw registers spl_set_dscl_prog_data(spl_in, &spl_scratch, spl_out, enable_easf_v, enable_easf_h, enable_is if (!res) return res; if (spl_in->lls_pref == LLS_PREF_YES) { if (spl_in->is_hdr_on) setup = HDR_L; else setup = SDR_L; } else { if (spl_in->is_hdr_on) setup = HDR_NL; else setup = SDR_NL; } // Set EASF spl_set_easf_data(&spl_scratch, spl_out, enable_easf_v, enable_easf_h, spl_in->lls_pref, spl_in->basic_in.format, setup, spl_in->sdr_white_level_nits); // Set iSHARP vratio = spl_fixpt_ceil(spl_scratch.scl_data.ratios.vert); hratio = spl_fixpt_ceil(spl_scratch.scl_data.ratios.horz); if (vratio <= hratio) isharp_scale_ratio = spl_scratch.scl_data.recip_ratios.vert; else isharp_scale_ratio = spl_scratch.scl_data.recip_ratios.horz; spl_set_isharp_data(spl_out->dscl_prog_data, spl_in->adaptive_sharpness, enable_isha spl_in->lls_pref, spl_in->basic_in.format, data, isharp_scale_ratio, setup, spl_in->debug.scale_to_sharpness_policy); return res; } /* External interface to get number of taps only */ bool SPL_NAMESPACE(spl_get_number_of_taps(struct spl_in *spl_in, struct spl_out *spl_o { bool res = false; bool enable_easf_v = false; bool enable_easf_h = false; bool enable_isharp = false; struct spl_scratch spl_scratch; struct dscl_prog_data *dscl_prog_data = spl_out->dscl_prog_data; const struct spl_scaler_data *data = &spl_scratch.scl_data; res = spl_calculate_number_of_taps(spl_in, &spl_scratch, spl_out, &enable_easf_v, &enable_easf_h, &enable_isharp); spl_set_taps_data(dscl_prog_data, data); return res; }
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2026-10-11