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-rw-r--r--lib/igt_fb.c169
-rw-r--r--lib/igt_fb.h5
2 files changed, 171 insertions, 3 deletions
diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index 1530b960..a5566f49 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -1461,7 +1461,172 @@ void igt_paint_color(cairo_t *cr, int x, int y, int w, int h,
}
/**
- * igt_fill_cts_framebuffer:
+ *
+ * igt_fill_cts_color_square_framebuffer:
+ * @pixmap: handle to mapped buffer
+ * @video_width: required width for pattern
+ * @video_height: required height for pattern
+ * @bitdepth: required bitdepth fot pattern
+ * @alpha: required alpha for the pattern
+ *
+ * This function draws a color square pattern for given width and height
+ * as per the specifications mentioned in section 3.2.5.3 of DP CTS spec.
+ */
+int igt_fill_cts_color_square_framebuffer(uint32_t *pixmap,
+ uint32_t video_width, uint32_t video_height,
+ uint32_t bitdepth, int alpha)
+{
+ uint32_t pmax = 0;
+ uint32_t pmin = 0;
+ int tile_width = 64;
+ int tile_height = 64;
+ int reverse = 0;
+ int i;
+ uint32_t colors[8][3];
+ uint32_t reverse_colors[8][3];
+
+ switch (bitdepth) {
+ case 8:
+ pmax = 235;
+ pmin = 16;
+ break;
+ case 10:
+ pmax = 940;
+ pmin = 64;
+ break;
+ }
+
+ /*
+ * According to the requirement stated in the 3.2.5.3 DP CTS spec
+ * the required pattern for color square should look like below
+ *
+ * white | yellow | cyan | green | magenta | red | blue | black | white | ... | ..
+ * -------------------------------------------------------------------------------
+ * blue | red | magenta | green | cyan | yellow | white | black | blue | ... | ..
+ * -------------------------------------------------------------------------------
+ * white | yellow | cyan | green | magenta | red | blue | black | white | ... | ..
+ * -------------------------------------------------------------------------------
+ * blue | red | magenta | green | cyan | yellow | white | black | blue | ... | ..
+ * --------------------------------------------------------------------------------
+ * . | . | . | . | . | . | . | . | . | .
+ *
+ * . | . | . | . | . | . | . | . | . | .
+ *
+ *
+ */
+
+ for (i = 0; i < 8; i++) {
+ if ((i % 8) == 0) {
+ /* White Color */
+ colors[i][0] = pmax;
+ colors[i][1] = pmax;
+ colors[i][2] = pmax;
+ /* Blue Color */
+ reverse_colors[i][0] = pmin;
+ reverse_colors[i][1] = pmin;
+ reverse_colors[i][2] = pmax;
+ } else if ((i % 8) == 1) {
+ /* Yellow Color */
+ colors[i][0] = pmax;
+ colors[i][1] = pmax;
+ colors[i][2] = pmin;
+ /* Red Color */
+ reverse_colors[i][0] = pmax;
+ reverse_colors[i][1] = pmin;
+ reverse_colors[i][2] = pmin;
+ } else if ((i % 8) == 2) {
+ /* Cyan Color */
+ colors[i][0] = pmin;
+ colors[i][1] = pmax;
+ colors[i][2] = pmax;
+ /* Magenta Color */
+ reverse_colors[i][0] = pmax;
+ reverse_colors[i][1] = pmin;
+ reverse_colors[i][2] = pmax;
+ } else if ((i % 8) == 3) {
+ /* Green Color */
+ colors[i][0] = pmin;
+ colors[i][1] = pmax;
+ colors[i][2] = pmin;
+ /* Green Color */
+ reverse_colors[i][0] = pmin;
+ reverse_colors[i][1] = pmax;
+ reverse_colors[i][2] = pmin;
+ } else if ((i % 8) == 4) {
+ /* Magenta Color */
+ colors[i][0] = pmax;
+ colors[i][1] = pmin;
+ colors[i][2] = pmax;
+ /* Cyan Color */
+ reverse_colors[i][0] = pmin;
+ reverse_colors[i][1] = pmax;
+ reverse_colors[i][2] = pmax;
+ } else if ((i % 8) == 5) {
+ /* Red Color */
+ colors[i][0] = pmax;
+ colors[i][1] = pmin;
+ colors[i][2] = pmin;
+ /* Yellow Color */
+ reverse_colors[i][0] = pmax;
+ reverse_colors[i][1] = pmax;
+ reverse_colors[i][2] = pmin;
+ } else if ((i % 8) == 6) {
+ /* Blue Color */
+ colors[i][0] = pmin;
+ colors[i][1] = pmin;
+ colors[i][2] = pmax;
+ /* White Color */
+ reverse_colors[i][0] = pmax;
+ reverse_colors[i][1] = pmax;
+ reverse_colors[i][2] = pmax;
+ } else if ((i % 8) == 7) {
+ /* Black Color */
+ colors[i][0] = pmin;
+ colors[i][1] = pmin;
+ colors[i][2] = pmin;
+ /* Black Color */
+ reverse_colors[i][0] = pmin;
+ reverse_colors[i][1] = pmin;
+ reverse_colors[i][2] = pmin;
+ }
+ }
+
+ for (uint32_t height = 0; height < video_height; height++) {
+ uint32_t color = 0;
+ uint8_t *temp = (uint8_t *)pixmap;
+ uint8_t **buf = &temp;
+ uint32_t (*clr_arr)[3];
+
+ temp += (4 * video_width * height);
+
+ for (uint32_t width = 0; width < video_width; width++) {
+
+ if (reverse == 0)
+ clr_arr = colors;
+ else
+ clr_arr = reverse_colors;
+
+ /* using BGRA8888 format */
+ *(*buf)++ = (((uint8_t)clr_arr[color][2]) & 0xFF);
+ *(*buf)++ = (((uint8_t)clr_arr[color][1]) & 0xFF);
+ *(*buf)++ = (((uint8_t)clr_arr[color][0]) & 0xFF);
+ *(*buf)++ = ((uint8_t)alpha & 0xFF);
+
+ if (((width + 1) % tile_width) == 0)
+ color = (color + 1) % 8;
+
+ }
+ if (((height + 1) % tile_height) == 0) {
+ if (reverse == 0)
+ reverse = 1;
+ else
+ reverse = 0;
+ }
+ }
+ return 0;
+}
+/**
+ * igt_fill_cts_color_ramp_framebuffer:
* @pixmap: handle to the mapped buffer
* @video_width: required width for the CTS pattern
* @video_height: required height for the CTS pattern
@@ -1469,7 +1634,7 @@ void igt_paint_color(cairo_t *cr, int x, int y, int w, int h,
* @alpha: required alpha for the CTS pattern
* This functions draws the CTS test pattern for a given width, height.
*/
-int igt_fill_cts_framebuffer(uint32_t *pixmap, uint32_t video_width,
+int igt_fill_cts_color_ramp_framebuffer(uint32_t *pixmap, uint32_t video_width,
uint32_t video_height, uint32_t bitdepth, int alpha)
{
uint32_t tile_height, tile_width;
diff --git a/lib/igt_fb.h b/lib/igt_fb.h
index c61d9e72..623a8caa 100644
--- a/lib/igt_fb.h
+++ b/lib/igt_fb.h
@@ -216,8 +216,11 @@ bool igt_format_is_fp16(uint32_t drm_format);
int igt_format_plane_bpp(uint32_t drm_format, int plane);
void igt_format_array_fill(uint32_t **formats_array, unsigned int *count,
bool allow_yuv);
-int igt_fill_cts_framebuffer(uint32_t *pixmap, uint32_t video_width,
+int igt_fill_cts_color_ramp_framebuffer(uint32_t *pixmap, uint32_t video_width,
uint32_t video_height, uint32_t bitdepth, int alpha);
+int igt_fill_cts_color_square_framebuffer(uint32_t *pixmap,
+ uint32_t video_width, uint32_t video_height,
+ uint32_t bitdepth, int alpha);
int igt_fb_get_fnv1a_crc(struct igt_fb *fb, igt_crc_t *crc);
const char *igt_fb_modifier_name(uint64_t modifier);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-11 22:31:08 +0000