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modetest: add AR15/XR15 (RGB-1555) formats 

Signed-off-by: Rob Clark <rob@ti.com>
main
Rob Clark 2012-01-02 10:31:25 -06:00
parent b83ad86622
commit 2f1e2101b4
1 changed files with 36 additions and 0 deletions
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36
tests/modetest/modetest.c
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@ -652,6 +652,26 @@ fill422(unsigned char *virtual, int n, int width, int height, int stride)
}
}
static void
fill1555(unsigned char *virtual, int n, int width, int height, int stride)
{
int i, j;
/* paint the buffer with colored tiles */
for (j = 0; j < height; j++) {
uint16_t *ptr = (uint16_t*)((char*)virtual + j * stride);
for (i = 0; i < width; i++) {
div_t d = div(n+i+j, width);
uint32_t rgb = 0x00130502 * (d.quot >> 6) + 0x000a1120 * (d.rem >> 6);
unsigned char *rgbp = (unsigned char *)&rgb;
*(ptr++) = 0x8000 |
(rgbp[RED] >> 3) << 10 |
(rgbp[GREEN] >> 3) << 5 |
(rgbp[BLUE] >> 3);
}
}
}
static int
set_plane(struct kms_driver *kms, struct connector *c, struct plane *p)
{
@ -756,6 +776,22 @@ set_plane(struct kms_driver *kms, struct connector *c, struct plane *p)
1, 0, p->w, p->h, pitches[0]);
format = DRM_FORMAT_YVU420;
} else if (!strcmp(p->format_str, "XR15")) {
pitches[0] = p->w * 2;
offsets[0] = 0;
kms_bo_get_prop(plane_bo, KMS_HANDLE, &handles[0]);
fill1555(virtual, 0, p->w, p->h, pitches[0]);
format = DRM_FORMAT_XRGB1555;
} else if (!strcmp(p->format_str, "AR15")) {
pitches[0] = p->w * 2;
offsets[0] = 0;
kms_bo_get_prop(plane_bo, KMS_HANDLE, &handles[0]);
fill1555(virtual, 0, p->w, p->h, pitches[0]);
format = DRM_FORMAT_ARGB1555;
} else {
fprintf(stderr, "Unknown format: %s\n", p->format_str);
return -1;