/*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <drm_fourcc.h>
#ifdef HAVE_CAIRO
#include <cairo.h>
#include <math.h>
#endif
#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) }
#define MAKE_RGBA(rgb, r, g, b, a) \
((((r) >> (8 - (rgb)->red.length)) << (rgb)->red.offset) | \
(((g) >> (8 - (rgb)->green.length)) << (rgb)->green.offset) | \
(((b) >> (8 - (rgb)->blue.length)) << (rgb)->blue.offset) | \
(((a) >> (8 - (rgb)->alpha.length)) << (rgb)->alpha.offset))
#define MAKE_RGB24(rgb, r, g, b) \
{ .value = MAKE_RGBA(rgb, r, g, b, 0) }
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(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_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);
}
}
/* 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)
{
#ifdef HAVE_CAIRO
cairo_surface_t *surface;
cairo_t *cr;
int x, y;
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;
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 (x = 0; x < width; x += 250)
for (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(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);
}
}
static void fill_plain(const struct util_format_info *info, void *planes[3],
unsigned int width, unsigned int height,
unsigned int stride)
{
memset(planes[0], 0x77, stride * height);
}
/*
* 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, width, height, stride);
default:
printf("Error: unsupported test pattern %u.\n", pattern);
break;
}
}