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util: add test pattern support for big-endian XRGB1555/RGB565 

Add support for drawing the SMPTE and tiles test patterns in buffers
using big-endian formats.

For now this is limited to XRGB1555 and RGB565, which are the most
common big-endian formats.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
v5:
  - Add Reviewed-by,

v4:
  - No changes,

v3:
  - Increase indentation after definition of cpu_to_be16(),

v2:
  - New.
main
Geert Uytterhoeven 2022-07-03 15:25:58 +02:00 committed by Dmitry Baryshkov
parent bc37db5c66
commit 6f00a73485
1 changed files with 21 additions and 10 deletions
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31
tests/util/pattern.c
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@ -23,6 +23,7 @@
* IN THE SOFTWARE.
*/
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -75,13 +76,17 @@ static inline uint32_t swap32(uint32_t x)
}
#ifdef HAVE_BIG_ENDIAN
#define cpu_to_be16(x) (x)
#define cpu_to_le16(x) swap16(x)
#define cpu_to_le32(x) swap32(x)
#else
#define cpu_to_be16(x) swap16(x)
#define cpu_to_le16(x) (x)
#define cpu_to_le32(x) (x)
#endif
#define cpu_to_fb16(x) (fb_be ? cpu_to_be16(x) : cpu_to_le16(x))
/* This function takes 8-bit color values */
static inline uint32_t shiftcolor8(const struct util_color_component *comp,
uint32_t value)
@ -524,7 +529,7 @@ static void fill_smpte_yuv_packed(const struct util_yuv_info *yuv, void *mem,
static void fill_smpte_rgb16(const struct util_rgb_info *rgb, void *mem,
unsigned int width, unsigned int height,
unsigned int stride)
unsigned int stride, bool fb_be)
{
const uint16_t colors_top[] = {
MAKE_RGBA(rgb, 192, 192, 192, 255), /* grey */
@ -559,26 +564,26 @@ static void fill_smpte_rgb16(const struct util_rgb_info *rgb, void *mem,
for (y = 0; y < height * 6 / 9; ++y) {
for (x = 0; x < width; ++x)
((uint16_t *)mem)[x] = cpu_to_le16(colors_top[x * 7 / width]);
((uint16_t *)mem)[x] = cpu_to_fb16(colors_top[x * 7 / width]);
mem += stride;
}
for (; y < height * 7 / 9; ++y) {
for (x = 0; x < width; ++x)
((uint16_t *)mem)[x] = cpu_to_le16(colors_middle[x * 7 / width]);
((uint16_t *)mem)[x] = cpu_to_fb16(colors_middle[x * 7 / width]);
mem += stride;
}
for (; y < height; ++y) {
for (x = 0; x < width * 5 / 7; ++x)
((uint16_t *)mem)[x] =
cpu_to_le16(colors_bottom[x * 4 / (width * 5 / 7)]);
cpu_to_fb16(colors_bottom[x * 4 / (width * 5 / 7)]);
for (; x < width * 6 / 7; ++x)
((uint16_t *)mem)[x] =
cpu_to_le16(colors_bottom[(x - width * 5 / 7) * 3
cpu_to_fb16(colors_bottom[(x - width * 5 / 7) * 3
/ (width / 7) + 4]);
for (; x < width; ++x)
((uint16_t *)mem)[x] = cpu_to_le16(colors_bottom[7]);
((uint16_t *)mem)[x] = cpu_to_fb16(colors_bottom[7]);
mem += stride;
}
}
@ -1238,9 +1243,11 @@ static void fill_smpte(const struct util_format_info *info, void *planes[3],
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBA5551:
@ -1248,7 +1255,8 @@ static void fill_smpte(const struct util_format_info *info, void *planes[3],
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_BGRX5551:
return fill_smpte_rgb16(&info->rgb, planes[0],
width, height, stride);
width, height, stride,
info->format & DRM_FORMAT_BIG_ENDIAN);
case DRM_FORMAT_BGR888:
case DRM_FORMAT_RGB888:
@ -1463,7 +1471,7 @@ static void fill_tiles_yuv_packed(const struct util_format_info *info,
static void fill_tiles_rgb16(const struct util_format_info *info, void *mem,
unsigned int width, unsigned int height,
unsigned int stride)
unsigned int stride, bool fb_be)
{
const struct util_rgb_info *rgb = &info->rgb;
void *mem_base = mem;
@ -1479,7 +1487,7 @@ static void fill_tiles_rgb16(const struct util_format_info *info, void *mem,
(rgb32 >> 8) & 0xff, rgb32 & 0xff,
255);
((uint16_t *)mem)[x] = cpu_to_le16(color);
((uint16_t *)mem)[x] = cpu_to_fb16(color);
}
mem += stride;
}
@ -1609,9 +1617,11 @@ static void fill_tiles(const struct util_format_info *info, void *planes[3],
case DRM_FORMAT_BGRA4444:
case DRM_FORMAT_BGRX4444:
case DRM_FORMAT_RGB565:
case DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN:
case DRM_FORMAT_BGR565:
case DRM_FORMAT_ARGB1555:
case DRM_FORMAT_XRGB1555:
case DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN:
case DRM_FORMAT_ABGR1555:
case DRM_FORMAT_XBGR1555:
case DRM_FORMAT_RGBA5551:
@ -1619,7 +1629,8 @@ static void fill_tiles(const struct util_format_info *info, void *planes[3],
case DRM_FORMAT_BGRA5551:
case DRM_FORMAT_BGRX5551:
return fill_tiles_rgb16(info, planes[0],
width, height, stride);
width, height, stride,
info->format & DRM_FORMAT_BIG_ENDIAN);
case DRM_FORMAT_BGR888:
case DRM_FORMAT_RGB888: