12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214121512161217121812191220122112221223122412251226122712281229123012311232123312341235123612371238123912401241124212431244124512461247124812491250125112521253125412551256125712581259126012611262126312641265126612671268126912701271127212731274127512761277127812791280128112821283 |
- /*
- * Copyright 2008 Tungsten Graphics
- * Jakob Bornecrantz <jakob@tungstengraphics.com>
- * Copyright 2008 Intel Corporation
- * Jesse Barnes <jesse.barnes@intel.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
- #include <stdint.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <drm_fourcc.h>
- #if HAVE_CAIRO
- #include <cairo.h>
- #include <math.h>
- #endif
- #include "common.h"
- #include "format.h"
- #include "pattern.h"
- struct color_rgb24 {
- unsigned int value:24;
- } __attribute__((__packed__));
- struct color_yuv {
- unsigned char y;
- unsigned char u;
- unsigned char v;
- };
- #define MAKE_YUV_601_Y(r, g, b) \
- ((( 66 * (r) + 129 * (g) + 25 * (b) + 128) >> 8) + 16)
- #define MAKE_YUV_601_U(r, g, b) \
- (((-38 * (r) - 74 * (g) + 112 * (b) + 128) >> 8) + 128)
- #define MAKE_YUV_601_V(r, g, b) \
- (((112 * (r) - 94 * (g) - 18 * (b) + 128) >> 8) + 128)
- #define MAKE_YUV_601(r, g, b) \
- { .y = MAKE_YUV_601_Y(r, g, b), \
- .u = MAKE_YUV_601_U(r, g, b), \
- .v = MAKE_YUV_601_V(r, g, b) }
- /* This function takes 8-bit color values */
- static inline uint32_t shiftcolor8(const struct util_color_component *comp,
- uint32_t value)
- {
- value &= 0xff;
- /* Fill the low bits with the high bits. */
- value = (value << 8) | value;
- /* Shift down to remove unwanted low bits */
- value = value >> (16 - comp->length);
- /* Shift back up to where the value should be */
- return value << comp->offset;
- }
- /* This function takes 10-bit color values */
- static inline uint32_t shiftcolor10(const struct util_color_component *comp,
- uint32_t value)
- {
- value &= 0x3ff;
- /* Fill the low bits with the high bits. */
- value = (value << 6) | (value >> 4);
- /* Shift down to remove unwanted low bits */
- value = value >> (16 - comp->length);
- /* Shift back up to where the value should be */
- return value << comp->offset;
- }
- /* This function takes 16-bit color values */
- static inline uint64_t shiftcolor16(const struct util_color_component *comp,
- uint64_t value)
- {
- value &= 0xffff;
- /* Shift down to remove unwanted low bits */
- value = value >> (16 - comp->length);
- /* Shift back up to where the value should be */
- return value << comp->offset;
- }
- #define MAKE_RGBA10(rgb, r, g, b, a) \
- (shiftcolor10(&(rgb)->red, (r)) | \
- shiftcolor10(&(rgb)->green, (g)) | \
- shiftcolor10(&(rgb)->blue, (b)) | \
- shiftcolor10(&(rgb)->alpha, (a)))
- #define MAKE_RGBA(rgb, r, g, b, a) \
- (shiftcolor8(&(rgb)->red, (r)) | \
- shiftcolor8(&(rgb)->green, (g)) | \
- shiftcolor8(&(rgb)->blue, (b)) | \
- shiftcolor8(&(rgb)->alpha, (a)))
- #define MAKE_RGB24(rgb, r, g, b) \
- { .value = MAKE_RGBA(rgb, r, g, b, 0) }
- /**
- * Takes a uint16_t, divides by 65536, converts the infinite-precision
- * result to fp16 with round-to-zero.
- *
- * Copied from mesa:src/util/half_float.c
- */
- static uint16_t uint16_div_64k_to_half(uint16_t v)
- {
- /* Zero or subnormal. Set the mantissa to (v << 8) and return. */
- if (v < 4)
- return v << 8;
- /* Count the leading 0s in the uint16_t */
- int n = __builtin_clz(v) - 16;
- /* Shift the mantissa up so bit 16 is the hidden 1 bit,
- * mask it off, then shift back down to 10 bits
- */
- int m = ( ((uint32_t)v << (n + 1)) & 0xffff ) >> 6;
- /* (0{n} 1 X{15-n}) * 2^-16
- * = 1.X * 2^(15-n-16)
- * = 1.X * 2^(14-n - 15)
- * which is the FP16 form with e = 14 - n
- */
- int e = 14 - n;
- return (e << 10) | m;
- }
- #define MAKE_RGBA8FP16(rgb, r, g, b, a) \
- (shiftcolor16(&(rgb)->red, uint16_div_64k_to_half((r) << 8)) | \
- shiftcolor16(&(rgb)->green, uint16_div_64k_to_half((g) << 8)) | \
- shiftcolor16(&(rgb)->blue, uint16_div_64k_to_half((b) << 8)) | \
- shiftcolor16(&(rgb)->alpha, uint16_div_64k_to_half((a) << 8)))
- #define MAKE_RGBA10FP16(rgb, r, g, b, a) \
- (shiftcolor16(&(rgb)->red, uint16_div_64k_to_half((r) << 6)) | \
- shiftcolor16(&(rgb)->green, uint16_div_64k_to_half((g) << 6)) | \
- shiftcolor16(&(rgb)->blue, uint16_div_64k_to_half((b) << 6)) | \
- shiftcolor16(&(rgb)->alpha, uint16_div_64k_to_half((a) << 6)))
- static void fill_smpte_yuv_planar(const struct util_yuv_info *yuv,
- unsigned char *y_mem, unsigned char *u_mem,
- unsigned char *v_mem, unsigned int width,
- unsigned int height, unsigned int stride)
- {
- const struct color_yuv colors_top[] = {
- MAKE_YUV_601(191, 192, 192), /* grey */
- MAKE_YUV_601(192, 192, 0), /* yellow */
- MAKE_YUV_601(0, 192, 192), /* cyan */
- MAKE_YUV_601(0, 192, 0), /* green */
- MAKE_YUV_601(192, 0, 192), /* magenta */
- MAKE_YUV_601(192, 0, 0), /* red */
- MAKE_YUV_601(0, 0, 192), /* blue */
- };
- const struct color_yuv colors_middle[] = {
- MAKE_YUV_601(0, 0, 192), /* blue */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(192, 0, 192), /* magenta */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(0, 192, 192), /* cyan */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(192, 192, 192), /* grey */
- };
- const struct color_yuv colors_bottom[] = {
- MAKE_YUV_601(0, 33, 76), /* in-phase */
- MAKE_YUV_601(255, 255, 255), /* super white */
- MAKE_YUV_601(50, 0, 106), /* quadrature */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(9, 9, 9), /* 3.5% */
- MAKE_YUV_601(19, 19, 19), /* 7.5% */
- MAKE_YUV_601(29, 29, 29), /* 11.5% */
- MAKE_YUV_601(19, 19, 19), /* black */
- };
- unsigned int cs = yuv->chroma_stride;
- unsigned int xsub = yuv->xsub;
- unsigned int ysub = yuv->ysub;
- unsigned int x;
- unsigned int y;
- /* Luma */
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- y_mem[x] = colors_top[x * 7 / width].y;
- y_mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- y_mem[x] = colors_middle[x * 7 / width].y;
- y_mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- y_mem[x] = colors_bottom[x * 4 / (width * 5 / 7)].y;
- for (; x < width * 6 / 7; ++x)
- y_mem[x] = colors_bottom[(x - width * 5 / 7) * 3
- / (width / 7) + 4].y;
- for (; x < width; ++x)
- y_mem[x] = colors_bottom[7].y;
- y_mem += stride;
- }
- /* Chroma */
- for (y = 0; y < height / ysub * 6 / 9; ++y) {
- for (x = 0; x < width; x += xsub) {
- u_mem[x*cs/xsub] = colors_top[x * 7 / width].u;
- v_mem[x*cs/xsub] = colors_top[x * 7 / width].v;
- }
- u_mem += stride * cs / xsub;
- v_mem += stride * cs / xsub;
- }
- for (; y < height / ysub * 7 / 9; ++y) {
- for (x = 0; x < width; x += xsub) {
- u_mem[x*cs/xsub] = colors_middle[x * 7 / width].u;
- v_mem[x*cs/xsub] = colors_middle[x * 7 / width].v;
- }
- u_mem += stride * cs / xsub;
- v_mem += stride * cs / xsub;
- }
- for (; y < height / ysub; ++y) {
- for (x = 0; x < width * 5 / 7; x += xsub) {
- u_mem[x*cs/xsub] =
- colors_bottom[x * 4 / (width * 5 / 7)].u;
- v_mem[x*cs/xsub] =
- colors_bottom[x * 4 / (width * 5 / 7)].v;
- }
- for (; x < width * 6 / 7; x += xsub) {
- u_mem[x*cs/xsub] = colors_bottom[(x - width * 5 / 7) *
- 3 / (width / 7) + 4].u;
- v_mem[x*cs/xsub] = colors_bottom[(x - width * 5 / 7) *
- 3 / (width / 7) + 4].v;
- }
- for (; x < width; x += xsub) {
- u_mem[x*cs/xsub] = colors_bottom[7].u;
- v_mem[x*cs/xsub] = colors_bottom[7].v;
- }
- u_mem += stride * cs / xsub;
- v_mem += stride * cs / xsub;
- }
- }
- static void fill_smpte_yuv_packed(const struct util_yuv_info *yuv, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const struct color_yuv colors_top[] = {
- MAKE_YUV_601(191, 192, 192), /* grey */
- MAKE_YUV_601(192, 192, 0), /* yellow */
- MAKE_YUV_601(0, 192, 192), /* cyan */
- MAKE_YUV_601(0, 192, 0), /* green */
- MAKE_YUV_601(192, 0, 192), /* magenta */
- MAKE_YUV_601(192, 0, 0), /* red */
- MAKE_YUV_601(0, 0, 192), /* blue */
- };
- const struct color_yuv colors_middle[] = {
- MAKE_YUV_601(0, 0, 192), /* blue */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(192, 0, 192), /* magenta */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(0, 192, 192), /* cyan */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(192, 192, 192), /* grey */
- };
- const struct color_yuv colors_bottom[] = {
- MAKE_YUV_601(0, 33, 76), /* in-phase */
- MAKE_YUV_601(255, 255, 255), /* super white */
- MAKE_YUV_601(50, 0, 106), /* quadrature */
- MAKE_YUV_601(19, 19, 19), /* black */
- MAKE_YUV_601(9, 9, 9), /* 3.5% */
- MAKE_YUV_601(19, 19, 19), /* 7.5% */
- MAKE_YUV_601(29, 29, 29), /* 11.5% */
- MAKE_YUV_601(19, 19, 19), /* black */
- };
- unsigned char *y_mem = (yuv->order & YUV_YC) ? mem : mem + 1;
- unsigned char *c_mem = (yuv->order & YUV_CY) ? mem : mem + 1;
- unsigned int u = (yuv->order & YUV_YCrCb) ? 2 : 0;
- unsigned int v = (yuv->order & YUV_YCbCr) ? 2 : 0;
- unsigned int x;
- unsigned int y;
- /* Luma */
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- y_mem[2*x] = colors_top[x * 7 / width].y;
- y_mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- y_mem[2*x] = colors_middle[x * 7 / width].y;
- y_mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- y_mem[2*x] = colors_bottom[x * 4 / (width * 5 / 7)].y;
- for (; x < width * 6 / 7; ++x)
- y_mem[2*x] = colors_bottom[(x - width * 5 / 7) * 3
- / (width / 7) + 4].y;
- for (; x < width; ++x)
- y_mem[2*x] = colors_bottom[7].y;
- y_mem += stride;
- }
- /* Chroma */
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; x += 2) {
- c_mem[2*x+u] = colors_top[x * 7 / width].u;
- c_mem[2*x+v] = colors_top[x * 7 / width].v;
- }
- c_mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; x += 2) {
- c_mem[2*x+u] = colors_middle[x * 7 / width].u;
- c_mem[2*x+v] = colors_middle[x * 7 / width].v;
- }
- c_mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; x += 2) {
- c_mem[2*x+u] = colors_bottom[x * 4 / (width * 5 / 7)].u;
- c_mem[2*x+v] = colors_bottom[x * 4 / (width * 5 / 7)].v;
- }
- for (; x < width * 6 / 7; x += 2) {
- c_mem[2*x+u] = colors_bottom[(x - width * 5 / 7) *
- 3 / (width / 7) + 4].u;
- c_mem[2*x+v] = colors_bottom[(x - width * 5 / 7) *
- 3 / (width / 7) + 4].v;
- }
- for (; x < width; x += 2) {
- c_mem[2*x+u] = colors_bottom[7].u;
- c_mem[2*x+v] = colors_bottom[7].v;
- }
- c_mem += stride;
- }
- }
- static void fill_smpte_rgb16(const struct util_rgb_info *rgb, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const uint16_t colors_top[] = {
- MAKE_RGBA(rgb, 192, 192, 192, 255), /* grey */
- MAKE_RGBA(rgb, 192, 192, 0, 255), /* yellow */
- MAKE_RGBA(rgb, 0, 192, 192, 255), /* cyan */
- MAKE_RGBA(rgb, 0, 192, 0, 255), /* green */
- MAKE_RGBA(rgb, 192, 0, 192, 255), /* magenta */
- MAKE_RGBA(rgb, 192, 0, 0, 255), /* red */
- MAKE_RGBA(rgb, 0, 0, 192, 255), /* blue */
- };
- const uint16_t colors_middle[] = {
- MAKE_RGBA(rgb, 0, 0, 192, 127), /* blue */
- MAKE_RGBA(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA(rgb, 192, 0, 192, 127), /* magenta */
- MAKE_RGBA(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA(rgb, 0, 192, 192, 127), /* cyan */
- MAKE_RGBA(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA(rgb, 192, 192, 192, 127), /* grey */
- };
- const uint16_t colors_bottom[] = {
- MAKE_RGBA(rgb, 0, 33, 76, 255), /* in-phase */
- MAKE_RGBA(rgb, 255, 255, 255, 255), /* super white */
- MAKE_RGBA(rgb, 50, 0, 106, 255), /* quadrature */
- MAKE_RGBA(rgb, 19, 19, 19, 255), /* black */
- MAKE_RGBA(rgb, 9, 9, 9, 255), /* 3.5% */
- MAKE_RGBA(rgb, 19, 19, 19, 255), /* 7.5% */
- MAKE_RGBA(rgb, 29, 29, 29, 255), /* 11.5% */
- MAKE_RGBA(rgb, 19, 19, 19, 255), /* black */
- };
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint16_t *)mem)[x] = colors_top[x * 7 / width];
- mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint16_t *)mem)[x] = colors_middle[x * 7 / width];
- mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- ((uint16_t *)mem)[x] =
- colors_bottom[x * 4 / (width * 5 / 7)];
- for (; x < width * 6 / 7; ++x)
- ((uint16_t *)mem)[x] =
- colors_bottom[(x - width * 5 / 7) * 3
- / (width / 7) + 4];
- for (; x < width; ++x)
- ((uint16_t *)mem)[x] = colors_bottom[7];
- mem += stride;
- }
- }
- static void fill_smpte_rgb24(const struct util_rgb_info *rgb, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const struct color_rgb24 colors_top[] = {
- MAKE_RGB24(rgb, 192, 192, 192), /* grey */
- MAKE_RGB24(rgb, 192, 192, 0), /* yellow */
- MAKE_RGB24(rgb, 0, 192, 192), /* cyan */
- MAKE_RGB24(rgb, 0, 192, 0), /* green */
- MAKE_RGB24(rgb, 192, 0, 192), /* magenta */
- MAKE_RGB24(rgb, 192, 0, 0), /* red */
- MAKE_RGB24(rgb, 0, 0, 192), /* blue */
- };
- const struct color_rgb24 colors_middle[] = {
- MAKE_RGB24(rgb, 0, 0, 192), /* blue */
- MAKE_RGB24(rgb, 19, 19, 19), /* black */
- MAKE_RGB24(rgb, 192, 0, 192), /* magenta */
- MAKE_RGB24(rgb, 19, 19, 19), /* black */
- MAKE_RGB24(rgb, 0, 192, 192), /* cyan */
- MAKE_RGB24(rgb, 19, 19, 19), /* black */
- MAKE_RGB24(rgb, 192, 192, 192), /* grey */
- };
- const struct color_rgb24 colors_bottom[] = {
- MAKE_RGB24(rgb, 0, 33, 76), /* in-phase */
- MAKE_RGB24(rgb, 255, 255, 255), /* super white */
- MAKE_RGB24(rgb, 50, 0, 106), /* quadrature */
- MAKE_RGB24(rgb, 19, 19, 19), /* black */
- MAKE_RGB24(rgb, 9, 9, 9), /* 3.5% */
- MAKE_RGB24(rgb, 19, 19, 19), /* 7.5% */
- MAKE_RGB24(rgb, 29, 29, 29), /* 11.5% */
- MAKE_RGB24(rgb, 19, 19, 19), /* black */
- };
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((struct color_rgb24 *)mem)[x] =
- colors_top[x * 7 / width];
- mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((struct color_rgb24 *)mem)[x] =
- colors_middle[x * 7 / width];
- mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- ((struct color_rgb24 *)mem)[x] =
- colors_bottom[x * 4 / (width * 5 / 7)];
- for (; x < width * 6 / 7; ++x)
- ((struct color_rgb24 *)mem)[x] =
- colors_bottom[(x - width * 5 / 7) * 3
- / (width / 7) + 4];
- for (; x < width; ++x)
- ((struct color_rgb24 *)mem)[x] = colors_bottom[7];
- mem += stride;
- }
- }
- static void fill_smpte_rgb32(const struct util_rgb_info *rgb, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const uint32_t colors_top[] = {
- MAKE_RGBA(rgb, 192, 192, 192, 255), /* grey */
- MAKE_RGBA(rgb, 192, 192, 0, 255), /* yellow */
- MAKE_RGBA(rgb, 0, 192, 192, 255), /* cyan */
- MAKE_RGBA(rgb, 0, 192, 0, 255), /* green */
- MAKE_RGBA(rgb, 192, 0, 192, 255), /* magenta */
- MAKE_RGBA(rgb, 192, 0, 0, 255), /* red */
- MAKE_RGBA(rgb, 0, 0, 192, 255), /* blue */
- };
- const uint32_t colors_middle[] = {
- MAKE_RGBA(rgb, 0, 0, 192, 127), /* blue */
- MAKE_RGBA(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA(rgb, 192, 0, 192, 127), /* magenta */
- MAKE_RGBA(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA(rgb, 0, 192, 192, 127), /* cyan */
- MAKE_RGBA(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA(rgb, 192, 192, 192, 127), /* grey */
- };
- const uint32_t colors_bottom[] = {
- MAKE_RGBA(rgb, 0, 33, 76, 255), /* in-phase */
- MAKE_RGBA(rgb, 255, 255, 255, 255), /* super white */
- MAKE_RGBA(rgb, 50, 0, 106, 255), /* quadrature */
- MAKE_RGBA(rgb, 19, 19, 19, 255), /* black */
- MAKE_RGBA(rgb, 9, 9, 9, 255), /* 3.5% */
- MAKE_RGBA(rgb, 19, 19, 19, 255), /* 7.5% */
- MAKE_RGBA(rgb, 29, 29, 29, 255), /* 11.5% */
- MAKE_RGBA(rgb, 19, 19, 19, 255), /* black */
- };
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint32_t *)mem)[x] = colors_top[x * 7 / width];
- mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint32_t *)mem)[x] = colors_middle[x * 7 / width];
- mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- ((uint32_t *)mem)[x] =
- colors_bottom[x * 4 / (width * 5 / 7)];
- for (; x < width * 6 / 7; ++x)
- ((uint32_t *)mem)[x] =
- colors_bottom[(x - width * 5 / 7) * 3
- / (width / 7) + 4];
- for (; x < width; ++x)
- ((uint32_t *)mem)[x] = colors_bottom[7];
- mem += stride;
- }
- }
- static void fill_smpte_rgb16fp(const struct util_rgb_info *rgb, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const uint64_t colors_top[] = {
- MAKE_RGBA8FP16(rgb, 192, 192, 192, 255),/* grey */
- MAKE_RGBA8FP16(rgb, 192, 192, 0, 255), /* yellow */
- MAKE_RGBA8FP16(rgb, 0, 192, 192, 255), /* cyan */
- MAKE_RGBA8FP16(rgb, 0, 192, 0, 255), /* green */
- MAKE_RGBA8FP16(rgb, 192, 0, 192, 255), /* magenta */
- MAKE_RGBA8FP16(rgb, 192, 0, 0, 255), /* red */
- MAKE_RGBA8FP16(rgb, 0, 0, 192, 255), /* blue */
- };
- const uint64_t colors_middle[] = {
- MAKE_RGBA8FP16(rgb, 0, 0, 192, 127), /* blue */
- MAKE_RGBA8FP16(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA8FP16(rgb, 192, 0, 192, 127), /* magenta */
- MAKE_RGBA8FP16(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA8FP16(rgb, 0, 192, 192, 127), /* cyan */
- MAKE_RGBA8FP16(rgb, 19, 19, 19, 127), /* black */
- MAKE_RGBA8FP16(rgb, 192, 192, 192, 127),/* grey */
- };
- const uint64_t colors_bottom[] = {
- MAKE_RGBA8FP16(rgb, 0, 33, 76, 255), /* in-phase */
- MAKE_RGBA8FP16(rgb, 255, 255, 255, 255),/* super white */
- MAKE_RGBA8FP16(rgb, 50, 0, 106, 255), /* quadrature */
- MAKE_RGBA8FP16(rgb, 19, 19, 19, 255), /* black */
- MAKE_RGBA8FP16(rgb, 9, 9, 9, 255), /* 3.5% */
- MAKE_RGBA8FP16(rgb, 19, 19, 19, 255), /* 7.5% */
- MAKE_RGBA8FP16(rgb, 29, 29, 29, 255), /* 11.5% */
- MAKE_RGBA8FP16(rgb, 19, 19, 19, 255), /* black */
- };
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint64_t *)mem)[x] = colors_top[x * 7 / width];
- mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint64_t *)mem)[x] = colors_middle[x * 7 / width];
- mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- ((uint64_t *)mem)[x] =
- colors_bottom[x * 4 / (width * 5 / 7)];
- for (; x < width * 6 / 7; ++x)
- ((uint64_t *)mem)[x] =
- colors_bottom[(x - width * 5 / 7) * 3
- / (width / 7) + 4];
- for (; x < width; ++x)
- ((uint64_t *)mem)[x] = colors_bottom[7];
- mem += stride;
- }
- }
- static void fill_smpte_c8(void *mem, unsigned int width, unsigned int height,
- unsigned int stride)
- {
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height * 6 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint8_t *)mem)[x] = x * 7 / width;
- mem += stride;
- }
- for (; y < height * 7 / 9; ++y) {
- for (x = 0; x < width; ++x)
- ((uint8_t *)mem)[x] = 7 + (x * 7 / width);
- mem += stride;
- }
- for (; y < height; ++y) {
- for (x = 0; x < width * 5 / 7; ++x)
- ((uint8_t *)mem)[x] =
- 14 + (x * 4 / (width * 5 / 7));
- for (; x < width * 6 / 7; ++x)
- ((uint8_t *)mem)[x] =
- 14 + ((x - width * 5 / 7) * 3
- / (width / 7) + 4);
- for (; x < width; ++x)
- ((uint8_t *)mem)[x] = 14 + 7;
- mem += stride;
- }
- }
- void util_smpte_c8_gamma(unsigned size, struct drm_color_lut *lut)
- {
- if (size < 7 + 7 + 8) {
- printf("Error: gamma too small: %d < %d\n", size, 7 + 7 + 8);
- return;
- }
- memset(lut, 0, size * sizeof(struct drm_color_lut));
- #define FILL_COLOR(idx, r, g, b) \
- lut[idx].red = (r) << 8; \
- lut[idx].green = (g) << 8; \
- lut[idx].blue = (b) << 8
- FILL_COLOR( 0, 192, 192, 192); /* grey */
- FILL_COLOR( 1, 192, 192, 0 ); /* yellow */
- FILL_COLOR( 2, 0, 192, 192); /* cyan */
- FILL_COLOR( 3, 0, 192, 0 ); /* green */
- FILL_COLOR( 4, 192, 0, 192); /* magenta */
- FILL_COLOR( 5, 192, 0, 0 ); /* red */
- FILL_COLOR( 6, 0, 0, 192); /* blue */
- FILL_COLOR( 7, 0, 0, 192); /* blue */
- FILL_COLOR( 8, 19, 19, 19 ); /* black */
- FILL_COLOR( 9, 192, 0, 192); /* magenta */
- FILL_COLOR(10, 19, 19, 19 ); /* black */
- FILL_COLOR(11, 0, 192, 192); /* cyan */
- FILL_COLOR(12, 19, 19, 19 ); /* black */
- FILL_COLOR(13, 192, 192, 192); /* grey */
- FILL_COLOR(14, 0, 33, 76); /* in-phase */
- FILL_COLOR(15, 255, 255, 255); /* super white */
- FILL_COLOR(16, 50, 0, 106); /* quadrature */
- FILL_COLOR(17, 19, 19, 19); /* black */
- FILL_COLOR(18, 9, 9, 9); /* 3.5% */
- FILL_COLOR(19, 19, 19, 19); /* 7.5% */
- FILL_COLOR(20, 29, 29, 29); /* 11.5% */
- FILL_COLOR(21, 19, 19, 19); /* black */
- #undef FILL_COLOR
- }
- static void fill_smpte(const struct util_format_info *info, void *planes[3],
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- unsigned char *u, *v;
- switch (info->format) {
- case DRM_FORMAT_C8:
- return fill_smpte_c8(planes[0], width, height, stride);
- case DRM_FORMAT_UYVY:
- case DRM_FORMAT_VYUY:
- case DRM_FORMAT_YUYV:
- case DRM_FORMAT_YVYU:
- return fill_smpte_yuv_packed(&info->yuv, planes[0], width,
- height, stride);
- case DRM_FORMAT_NV12:
- case DRM_FORMAT_NV21:
- case DRM_FORMAT_NV16:
- case DRM_FORMAT_NV61:
- u = info->yuv.order & YUV_YCbCr ? planes[1] : planes[1] + 1;
- v = info->yuv.order & YUV_YCrCb ? planes[1] : planes[1] + 1;
- return fill_smpte_yuv_planar(&info->yuv, planes[0], u, v,
- width, height, stride);
- case DRM_FORMAT_YUV420:
- return fill_smpte_yuv_planar(&info->yuv, planes[0], planes[1],
- planes[2], width, height, stride);
- case DRM_FORMAT_YVU420:
- return fill_smpte_yuv_planar(&info->yuv, planes[0], planes[2],
- planes[1], width, height, stride);
- case DRM_FORMAT_ARGB4444:
- case DRM_FORMAT_XRGB4444:
- case DRM_FORMAT_ABGR4444:
- case DRM_FORMAT_XBGR4444:
- case DRM_FORMAT_RGBA4444:
- case DRM_FORMAT_RGBX4444:
- case DRM_FORMAT_BGRA4444:
- case DRM_FORMAT_BGRX4444:
- case DRM_FORMAT_RGB565:
- case DRM_FORMAT_BGR565:
- case DRM_FORMAT_ARGB1555:
- case DRM_FORMAT_XRGB1555:
- case DRM_FORMAT_ABGR1555:
- case DRM_FORMAT_XBGR1555:
- case DRM_FORMAT_RGBA5551:
- case DRM_FORMAT_RGBX5551:
- case DRM_FORMAT_BGRA5551:
- case DRM_FORMAT_BGRX5551:
- return fill_smpte_rgb16(&info->rgb, planes[0],
- width, height, stride);
- case DRM_FORMAT_BGR888:
- case DRM_FORMAT_RGB888:
- return fill_smpte_rgb24(&info->rgb, planes[0],
- width, height, stride);
- case DRM_FORMAT_ARGB8888:
- case DRM_FORMAT_XRGB8888:
- case DRM_FORMAT_ABGR8888:
- case DRM_FORMAT_XBGR8888:
- case DRM_FORMAT_RGBA8888:
- case DRM_FORMAT_RGBX8888:
- case DRM_FORMAT_BGRA8888:
- case DRM_FORMAT_BGRX8888:
- case DRM_FORMAT_ARGB2101010:
- case DRM_FORMAT_XRGB2101010:
- case DRM_FORMAT_ABGR2101010:
- case DRM_FORMAT_XBGR2101010:
- case DRM_FORMAT_RGBA1010102:
- case DRM_FORMAT_RGBX1010102:
- case DRM_FORMAT_BGRA1010102:
- case DRM_FORMAT_BGRX1010102:
- return fill_smpte_rgb32(&info->rgb, planes[0],
- width, height, stride);
- case DRM_FORMAT_XRGB16161616F:
- case DRM_FORMAT_XBGR16161616F:
- case DRM_FORMAT_ARGB16161616F:
- case DRM_FORMAT_ABGR16161616F:
- return fill_smpte_rgb16fp(&info->rgb, planes[0],
- width, height, stride);
- }
- }
- /* swap these for big endian.. */
- #define RED 2
- #define GREEN 1
- #define BLUE 0
- static void make_pwetty(void *data, unsigned int width, unsigned int height,
- unsigned int stride, uint32_t format)
- {
- #if HAVE_CAIRO
- cairo_surface_t *surface;
- cairo_t *cr;
- cairo_format_t cairo_format;
- /* we can ignore the order of R,G,B channels */
- switch (format) {
- case DRM_FORMAT_XRGB8888:
- case DRM_FORMAT_ARGB8888:
- case DRM_FORMAT_XBGR8888:
- case DRM_FORMAT_ABGR8888:
- cairo_format = CAIRO_FORMAT_ARGB32;
- break;
- case DRM_FORMAT_RGB565:
- case DRM_FORMAT_BGR565:
- cairo_format = CAIRO_FORMAT_RGB16_565;
- break;
- #if CAIRO_VERSION_MAJOR > 1 || (CAIRO_VERSION_MAJOR == 1 && CAIRO_VERSION_MINOR >= 12)
- case DRM_FORMAT_ARGB2101010:
- case DRM_FORMAT_XRGB2101010:
- case DRM_FORMAT_ABGR2101010:
- case DRM_FORMAT_XBGR2101010:
- cairo_format = CAIRO_FORMAT_RGB30;
- break;
- #endif
- default:
- return;
- }
- surface = cairo_image_surface_create_for_data(data,
- cairo_format,
- width, height,
- stride);
- cr = cairo_create(surface);
- cairo_surface_destroy(surface);
- cairo_set_line_cap(cr, CAIRO_LINE_CAP_SQUARE);
- for (unsigned x = 0; x < width; x += 250)
- for (unsigned y = 0; y < height; y += 250) {
- char buf[64];
- cairo_move_to(cr, x, y - 20);
- cairo_line_to(cr, x, y + 20);
- cairo_move_to(cr, x - 20, y);
- cairo_line_to(cr, x + 20, y);
- cairo_new_sub_path(cr);
- cairo_arc(cr, x, y, 10, 0, M_PI * 2);
- cairo_set_line_width(cr, 4);
- cairo_set_source_rgb(cr, 0, 0, 0);
- cairo_stroke_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 1);
- cairo_set_line_width(cr, 2);
- cairo_stroke(cr);
- snprintf(buf, sizeof buf, "%d, %d", x, y);
- cairo_move_to(cr, x + 20, y + 20);
- cairo_text_path(cr, buf);
- cairo_set_source_rgb(cr, 0, 0, 0);
- cairo_stroke_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 1);
- cairo_fill(cr);
- }
- cairo_destroy(cr);
- #endif
- }
- static void fill_tiles_yuv_planar(const struct util_format_info *info,
- unsigned char *y_mem, unsigned char *u_mem,
- unsigned char *v_mem, unsigned int width,
- unsigned int height, unsigned int stride)
- {
- const struct util_yuv_info *yuv = &info->yuv;
- unsigned int cs = yuv->chroma_stride;
- unsigned int xsub = yuv->xsub;
- unsigned int ysub = yuv->ysub;
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height; ++y) {
- for (x = 0; x < width; ++x) {
- div_t d = div(x+y, width);
- uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
- + 0x000a1120 * (d.rem >> 6);
- struct color_yuv color =
- MAKE_YUV_601((rgb32 >> 16) & 0xff,
- (rgb32 >> 8) & 0xff, rgb32 & 0xff);
- y_mem[x] = color.y;
- u_mem[x/xsub*cs] = color.u;
- v_mem[x/xsub*cs] = color.v;
- }
- y_mem += stride;
- if ((y + 1) % ysub == 0) {
- u_mem += stride * cs / xsub;
- v_mem += stride * cs / xsub;
- }
- }
- }
- static void fill_tiles_yuv_packed(const struct util_format_info *info,
- void *mem, unsigned int width,
- unsigned int height, unsigned int stride)
- {
- const struct util_yuv_info *yuv = &info->yuv;
- unsigned char *y_mem = (yuv->order & YUV_YC) ? mem : mem + 1;
- unsigned char *c_mem = (yuv->order & YUV_CY) ? mem : mem + 1;
- unsigned int u = (yuv->order & YUV_YCrCb) ? 2 : 0;
- unsigned int v = (yuv->order & YUV_YCbCr) ? 2 : 0;
- unsigned int x;
- unsigned int y;
- for (y = 0; y < height; ++y) {
- for (x = 0; x < width; x += 2) {
- div_t d = div(x+y, width);
- uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
- + 0x000a1120 * (d.rem >> 6);
- struct color_yuv color =
- MAKE_YUV_601((rgb32 >> 16) & 0xff,
- (rgb32 >> 8) & 0xff, rgb32 & 0xff);
- y_mem[2*x] = color.y;
- c_mem[2*x+u] = color.u;
- y_mem[2*x+2] = color.y;
- c_mem[2*x+v] = color.v;
- }
- y_mem += stride;
- c_mem += stride;
- }
- }
- static void fill_tiles_rgb16(const struct util_format_info *info, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const struct util_rgb_info *rgb = &info->rgb;
- void *mem_base = mem;
- unsigned int x, y;
- for (y = 0; y < height; ++y) {
- for (x = 0; x < width; ++x) {
- div_t d = div(x+y, width);
- uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
- + 0x000a1120 * (d.rem >> 6);
- uint16_t color =
- MAKE_RGBA(rgb, (rgb32 >> 16) & 0xff,
- (rgb32 >> 8) & 0xff, rgb32 & 0xff,
- 255);
- ((uint16_t *)mem)[x] = color;
- }
- mem += stride;
- }
- make_pwetty(mem_base, width, height, stride, info->format);
- }
- static void fill_tiles_rgb24(const struct util_format_info *info, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const struct util_rgb_info *rgb = &info->rgb;
- unsigned int x, y;
- for (y = 0; y < height; ++y) {
- for (x = 0; x < width; ++x) {
- div_t d = div(x+y, width);
- uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
- + 0x000a1120 * (d.rem >> 6);
- struct color_rgb24 color =
- MAKE_RGB24(rgb, (rgb32 >> 16) & 0xff,
- (rgb32 >> 8) & 0xff, rgb32 & 0xff);
- ((struct color_rgb24 *)mem)[x] = color;
- }
- mem += stride;
- }
- }
- static void fill_tiles_rgb32(const struct util_format_info *info, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const struct util_rgb_info *rgb = &info->rgb;
- void *mem_base = mem;
- unsigned int x, y;
- for (y = 0; y < height; ++y) {
- for (x = 0; x < width; ++x) {
- div_t d = div(x+y, width);
- uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
- + 0x000a1120 * (d.rem >> 6);
- uint32_t alpha = ((y < height/2) && (x < width/2)) ? 127 : 255;
- uint32_t color =
- MAKE_RGBA(rgb, (rgb32 >> 16) & 0xff,
- (rgb32 >> 8) & 0xff, rgb32 & 0xff,
- alpha);
- ((uint32_t *)mem)[x] = color;
- }
- mem += stride;
- }
- make_pwetty(mem_base, width, height, stride, info->format);
- }
- static void fill_tiles_rgb16fp(const struct util_format_info *info, void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- const struct util_rgb_info *rgb = &info->rgb;
- void *mem_base = mem;
- unsigned int x, y;
- /* TODO: Give this actual fp16 precision */
- for (y = 0; y < height; ++y) {
- for (x = 0; x < width; ++x) {
- div_t d = div(x+y, width);
- uint32_t rgb32 = 0x00130502 * (d.quot >> 6)
- + 0x000a1120 * (d.rem >> 6);
- uint32_t alpha = ((y < height/2) && (x < width/2)) ? 127 : 255;
- uint64_t color =
- MAKE_RGBA8FP16(rgb, (rgb32 >> 16) & 0xff,
- (rgb32 >> 8) & 0xff, rgb32 & 0xff,
- alpha);
- ((uint64_t *)mem)[x] = color;
- }
- mem += stride;
- }
- }
- static void fill_tiles(const struct util_format_info *info, void *planes[3],
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- unsigned char *u, *v;
- switch (info->format) {
- case DRM_FORMAT_UYVY:
- case DRM_FORMAT_VYUY:
- case DRM_FORMAT_YUYV:
- case DRM_FORMAT_YVYU:
- return fill_tiles_yuv_packed(info, planes[0],
- width, height, stride);
- case DRM_FORMAT_NV12:
- case DRM_FORMAT_NV21:
- case DRM_FORMAT_NV16:
- case DRM_FORMAT_NV61:
- u = info->yuv.order & YUV_YCbCr ? planes[1] : planes[1] + 1;
- v = info->yuv.order & YUV_YCrCb ? planes[1] : planes[1] + 1;
- return fill_tiles_yuv_planar(info, planes[0], u, v,
- width, height, stride);
- case DRM_FORMAT_YUV420:
- return fill_tiles_yuv_planar(info, planes[0], planes[1],
- planes[2], width, height, stride);
- case DRM_FORMAT_YVU420:
- return fill_tiles_yuv_planar(info, planes[0], planes[2],
- planes[1], width, height, stride);
- case DRM_FORMAT_ARGB4444:
- case DRM_FORMAT_XRGB4444:
- case DRM_FORMAT_ABGR4444:
- case DRM_FORMAT_XBGR4444:
- case DRM_FORMAT_RGBA4444:
- case DRM_FORMAT_RGBX4444:
- case DRM_FORMAT_BGRA4444:
- case DRM_FORMAT_BGRX4444:
- case DRM_FORMAT_RGB565:
- case DRM_FORMAT_BGR565:
- case DRM_FORMAT_ARGB1555:
- case DRM_FORMAT_XRGB1555:
- case DRM_FORMAT_ABGR1555:
- case DRM_FORMAT_XBGR1555:
- case DRM_FORMAT_RGBA5551:
- case DRM_FORMAT_RGBX5551:
- case DRM_FORMAT_BGRA5551:
- case DRM_FORMAT_BGRX5551:
- return fill_tiles_rgb16(info, planes[0],
- width, height, stride);
- case DRM_FORMAT_BGR888:
- case DRM_FORMAT_RGB888:
- return fill_tiles_rgb24(info, planes[0],
- width, height, stride);
- case DRM_FORMAT_ARGB8888:
- case DRM_FORMAT_XRGB8888:
- case DRM_FORMAT_ABGR8888:
- case DRM_FORMAT_XBGR8888:
- case DRM_FORMAT_RGBA8888:
- case DRM_FORMAT_RGBX8888:
- case DRM_FORMAT_BGRA8888:
- case DRM_FORMAT_BGRX8888:
- case DRM_FORMAT_ARGB2101010:
- case DRM_FORMAT_XRGB2101010:
- case DRM_FORMAT_ABGR2101010:
- case DRM_FORMAT_XBGR2101010:
- case DRM_FORMAT_RGBA1010102:
- case DRM_FORMAT_RGBX1010102:
- case DRM_FORMAT_BGRA1010102:
- case DRM_FORMAT_BGRX1010102:
- return fill_tiles_rgb32(info, planes[0],
- width, height, stride);
- case DRM_FORMAT_XRGB16161616F:
- case DRM_FORMAT_XBGR16161616F:
- case DRM_FORMAT_ARGB16161616F:
- case DRM_FORMAT_ABGR16161616F:
- return fill_tiles_rgb16fp(info, planes[0],
- width, height, stride);
- }
- }
- static void fill_plain(const struct util_format_info *info, void *planes[3],
- unsigned int height,
- unsigned int stride)
- {
- switch (info->format) {
- case DRM_FORMAT_XRGB16161616F:
- case DRM_FORMAT_XBGR16161616F:
- case DRM_FORMAT_ARGB16161616F:
- case DRM_FORMAT_ABGR16161616F:
- /* 0x3838 = 0.5273 */
- memset(planes[0], 0x38, stride * height);
- break;
- default:
- memset(planes[0], 0x77, stride * height);
- break;
- }
- }
- static void fill_gradient_rgb32(const struct util_rgb_info *rgb,
- void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- int i, j;
- for (i = 0; i < height / 2; i++) {
- uint32_t *row = mem;
- for (j = 0; j < width / 2; j++) {
- uint32_t value = MAKE_RGBA10(rgb, j & 0x3ff, j & 0x3ff, j & 0x3ff, 0);
- row[2*j] = row[2*j+1] = value;
- }
- mem += stride;
- }
- for (; i < height; i++) {
- uint32_t *row = mem;
- for (j = 0; j < width / 2; j++) {
- uint32_t value = MAKE_RGBA10(rgb, j & 0x3fc, j & 0x3fc, j & 0x3fc, 0);
- row[2*j] = row[2*j+1] = value;
- }
- mem += stride;
- }
- }
- static void fill_gradient_rgb16fp(const struct util_rgb_info *rgb,
- void *mem,
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- int i, j;
- for (i = 0; i < height / 2; i++) {
- uint64_t *row = mem;
- for (j = 0; j < width / 2; j++) {
- uint64_t value = MAKE_RGBA10FP16(rgb, j & 0x3ff, j & 0x3ff, j & 0x3ff, 0);
- row[2*j] = row[2*j+1] = value;
- }
- mem += stride;
- }
- for (; i < height; i++) {
- uint64_t *row = mem;
- for (j = 0; j < width / 2; j++) {
- uint64_t value = MAKE_RGBA10FP16(rgb, j & 0x3fc, j & 0x3fc, j & 0x3fc, 0);
- row[2*j] = row[2*j+1] = value;
- }
- mem += stride;
- }
- }
- /* The gradient pattern creates two horizontal gray gradients, split
- * into two halves. The top half has 10bpc precision, the bottom half
- * has 8bpc precision. When using with a 10bpc fb format, there are 3
- * possible outcomes:
- *
- * - Pixel data is encoded as 8bpc to the display, no dithering. This
- * would lead to the top and bottom halves looking identical.
- *
- * - Pixel data is encoded as 8bpc to the display, with dithering. This
- * would lead to there being a visible difference between the two halves,
- * but the top half would look a little speck-y due to the dithering.
- *
- * - Pixel data is encoded at 10bpc+ to the display (which implies
- * the display is able to show this level of depth). This should
- * lead to the top half being a very clean gradient, and visibly different
- * from the bottom half.
- *
- * Once we support additional fb formats, this approach could be extended
- * to distinguish even higher bpc precisions.
- *
- * Note that due to practical size considerations, for the screens
- * where this matters, the pattern actually emits stripes 2-pixels
- * wide for each gradient color. Otherwise the difference may be a bit
- * hard to notice.
- */
- static void fill_gradient(const struct util_format_info *info, void *planes[3],
- unsigned int width, unsigned int height,
- unsigned int stride)
- {
- switch (info->format) {
- case DRM_FORMAT_ARGB8888:
- case DRM_FORMAT_XRGB8888:
- case DRM_FORMAT_ABGR8888:
- case DRM_FORMAT_XBGR8888:
- case DRM_FORMAT_RGBA8888:
- case DRM_FORMAT_RGBX8888:
- case DRM_FORMAT_BGRA8888:
- case DRM_FORMAT_BGRX8888:
- case DRM_FORMAT_ARGB2101010:
- case DRM_FORMAT_XRGB2101010:
- case DRM_FORMAT_ABGR2101010:
- case DRM_FORMAT_XBGR2101010:
- case DRM_FORMAT_RGBA1010102:
- case DRM_FORMAT_RGBX1010102:
- case DRM_FORMAT_BGRA1010102:
- case DRM_FORMAT_BGRX1010102:
- return fill_gradient_rgb32(&info->rgb, planes[0],
- width, height, stride);
- case DRM_FORMAT_XRGB16161616F:
- case DRM_FORMAT_XBGR16161616F:
- case DRM_FORMAT_ARGB16161616F:
- case DRM_FORMAT_ABGR16161616F:
- return fill_gradient_rgb16fp(&info->rgb, planes[0],
- width, height, stride);
- }
- }
- /*
- * util_fill_pattern - Fill a buffer with a test pattern
- * @format: Pixel format
- * @pattern: Test pattern
- * @planes: Array of buffers
- * @width: Width in pixels
- * @height: Height in pixels
- * @stride: Line stride (pitch) in bytes
- *
- * Fill the buffers with the test pattern specified by the pattern parameter.
- * Supported formats vary depending on the selected pattern.
- */
- void util_fill_pattern(uint32_t format, enum util_fill_pattern pattern,
- void *planes[3], unsigned int width,
- unsigned int height, unsigned int stride)
- {
- const struct util_format_info *info;
- info = util_format_info_find(format);
- if (info == NULL)
- return;
- switch (pattern) {
- case UTIL_PATTERN_TILES:
- return fill_tiles(info, planes, width, height, stride);
- case UTIL_PATTERN_SMPTE:
- return fill_smpte(info, planes, width, height, stride);
- case UTIL_PATTERN_PLAIN:
- return fill_plain(info, planes, height, stride);
- case UTIL_PATTERN_GRADIENT:
- return fill_gradient(info, planes, width, height, stride);
- default:
- printf("Error: unsupported test pattern %u.\n", pattern);
- break;
- }
- }
- static const char *pattern_names[] = {
- [UTIL_PATTERN_TILES] = "tiles",
- [UTIL_PATTERN_SMPTE] = "smpte",
- [UTIL_PATTERN_PLAIN] = "plain",
- [UTIL_PATTERN_GRADIENT] = "gradient",
- };
- enum util_fill_pattern util_pattern_enum(const char *name)
- {
- unsigned int i;
- for (i = 0; i < ARRAY_SIZE(pattern_names); i++)
- if (!strcmp(pattern_names[i], name))
- return (enum util_fill_pattern)i;
- printf("Error: unsupported test pattern %s.\n", name);
- return UTIL_PATTERN_SMPTE;
- }
|