Re: [PATCH] igt/kms_plane_scaling : plane scaling enhancement and plane support for bxt

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On 7/17/2015 5:06 PM, Thomas Wood wrote:
On 17 July 2015 at 09:34, Nabendu Maiti<nabendu.bikash.maiti@xxxxxxxxx>  wrote:
1) Added more overlay plane support for BXT.
2) Added and enhanced scaler test cases for additional planes.
Please split the various separate changes in different patches.

The i-g-t tag should also appear in the subject prefix rather than the
subject tag. (i.e. use --subject-prefix="PATCH i-g-t" or git config
format.subjectprefix "PATCH i-g-t").
Agreed.
Signed-off-by: Nabendu Maiti<nabendu.bikash.maiti@xxxxxxxxx>
---
  lib/igt_fb.c              | 40 ++++++++++++++++++++++++
  lib/igt_fb.h              |  1 +
  lib/igt_kms.c             |  1 +
  lib/igt_kms.h             |  3 +-
  tests/kms_plane_scaling.c | 79 ++++++++++++++++++++++++++++++++++++++++++++---
  5 files changed, 118 insertions(+), 6 deletions(-)

diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index 134dbd2..e61b762 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -393,6 +393,46 @@ void igt_paint_image(cairo_t *cr, const char *filename,
  }

  /**
+ * igt_paint_cross_ruler:
+ * @cr: cairo drawing context
+ * @dst_width: width of the horizontal ruler
+ * @dst_height: height of the vertical ruler
+ *
+ * This function can be used to draw a cross ruler on a frame buffer.
+ */
+void
+igt_paint_cross_ruler(cairo_t *cr, uint16_t w, uint16_t h)
Other cairo functions use int rather than uint16_t for width and
height, so int should be sufficient here too, at least for
consistency.

Okey. I'll do it.
+{
+
+       uint16_t i;
+
+       /* Paint corner markers */
+       paint_marker(cr, 0, 0);
+       paint_marker(cr, w, 0);
+       paint_marker(cr, 0, h);
+       paint_marker(cr, w, h);
+
+
+       cairo_move_to(cr, w/2, 0);
+       cairo_line_to(cr, w/2, h);
+
+       cairo_set_source_rgb(cr, 4, 1, 10);
+       cairo_move_to(cr, 0, h/2);
+       cairo_line_to(cr, w, h/2 );
+       cairo_stroke(cr);
+
+       cairo_set_source_rgb(cr, 2, 5, 1);
+       cairo_set_line_width(cr, 2);
+       cairo_stroke(cr);
+       cairo_stroke_preserve(cr);
+       for (i = 0; i < w; i +=200)
+               paint_marker(cr, i, h/2);
+
+       for (i = 0; i < h; i +=200)
+               paint_marker(cr, w/2, i);
+}
+
+/**
   * igt_create_fb_with_bo_size:
   * @fd: open i915 drm file descriptor
   * @width: width of the framebuffer in pixel
diff --git a/lib/igt_fb.h b/lib/igt_fb.h
index a07acd2..cf6e7e3 100644
--- a/lib/igt_fb.h
+++ b/lib/igt_fb.h
@@ -98,6 +98,7 @@ void igt_write_fb_to_png(int fd, struct igt_fb *fb, const char *filename);
  int igt_cairo_printf_line(cairo_t *cr, enum igt_text_align align,
                                double yspacing, const char *fmt, ...)
                                __attribute__((format (printf, 4, 5)));
+void igt_paint_cross_ruler(cairo_t *cr, uint16_t w, uint16_t h);

  /* helpers to handle drm fourcc codes */
  uint32_t igt_bpp_depth_to_drm_format(int bpp, int depth);
diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index 0bb16b4..781ffa5 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -213,6 +213,7 @@ const char *kmstest_plane_name(enum igt_plane plane)
                 [IGT_PLANE_1] = "plane1",
                 [IGT_PLANE_2] = "plane2",
                 [IGT_PLANE_3] = "plane3",
+               [IGT_PLANE_4] = "plane4",
                 [IGT_PLANE_CURSOR] = "cursor",
         };

diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index 09c08aa..14c8b28 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -53,6 +53,7 @@ enum igt_plane {
          IGT_PLANE_PRIMARY = IGT_PLANE_1,
          IGT_PLANE_2,
          IGT_PLANE_3,
+        IGT_PLANE_4,
          IGT_PLANE_CURSOR,
  };

@@ -205,7 +206,7 @@ struct igt_pipe {
         igt_display_t *display;
         enum pipe pipe;
         bool enabled;
-#define IGT_MAX_PLANES 4
+#define IGT_MAX_PLANES 5
         int n_planes;
         igt_plane_t planes[IGT_MAX_PLANES];
         uint64_t background; /* Background color MSB BGR 16bpc LSB */
diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
index 00db5cb..8e3d559 100644
--- a/tests/kms_plane_scaling.c
+++ b/tests/kms_plane_scaling.c
@@ -23,7 +23,7 @@
   */

  #include <math.h>
-
+#include <cairo.h>
cairo is already included via igt_kms.h and igt_fb.h.

Will remove in the updated patches.
  #include "drmtest.h"
  #include "igt_debugfs.h"
  #include "igt_kms.h"
@@ -48,9 +48,11 @@ typedef struct {
         struct igt_fb fb1;
         struct igt_fb fb2;
         struct igt_fb fb3;
+       struct igt_fb fb4;
         int fb_id1;
         int fb_id2;
         int fb_id3;
+       int fb_id4;

         igt_plane_t *plane1;
         igt_plane_t *plane2;
@@ -61,6 +63,22 @@ typedef struct {
  #define FILE_NAME   "1080p-left.png"

  static void
+paint_plane_ID(data_t *d, struct igt_fb *fb, igt_plane_t *plane)
+{
+       cairo_t *cr;
+
+       cr = igt_get_cairo_ctx(d->drm_fd, fb);
+       cairo_move_to(cr, (fb->width/5),
+                     (fb->height / 5));
+       cairo_set_font_size(cr, 25);
+       igt_cairo_printf_line(cr, align_hcenter, 10, "PIPE:PLANE:");
+       cairo_set_font_size(cr, 30);
+       igt_cairo_printf_line(cr, align_hcenter, 40, " %d:%d",
+                             plane->pipe->pipe, plane->index);
+       cairo_destroy(cr);
+}
+
+static void
  paint_color(data_t *d, struct igt_fb *fb, uint16_t w, uint16_t h)
  {
         cairo_t *cr;
@@ -71,12 +89,14 @@ paint_color(data_t *d, struct igt_fb *fb, uint16_t w, uint16_t h)
  }

  static void
-paint_image(data_t *d, struct igt_fb *fb, uint16_t w, uint16_t h)
+paint_image(const char *filename, data_t *d, struct igt_fb *fb,
+               uint16_t w, uint16_t h)
What is the purpose of the new filename parameter? It always appears
to be set to to the same value (FILE_NAME) as used previously in the
vall to igt_paint_image.
modified to pass different size imagefiles for different scaled planes for future planned patches.

  {
         cairo_t *cr;

         cr = igt_get_cairo_ctx(d->drm_fd, fb);
-       igt_paint_image(cr, FILE_NAME, 0, 0, w, h);
+       igt_paint_image(cr, filename, 0, 0, w, h);
+       igt_paint_cross_ruler(cr, w, h);
         cairo_destroy(cr);
  }

@@ -106,6 +126,7 @@ static void prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe,
         igt_assert(data->fb_id1);

         paint_color(data, &data->fb1, mode->hdisplay, mode->vdisplay);
+       paint_plane_ID(data, &data->fb1, plane);

         /*
          * We always set the primary plane to actually enable the pipe as
@@ -154,7 +175,10 @@ static void cleanup_crtc(data_t *data, igt_output_t *output, igt_plane_t *plane)
                 igt_remove_fb(data->drm_fd, &data->fb3);
                 data->fb_id3 = 0;
         }
-
+       if (data->fb_id4) {
+               igt_remove_fb(data->drm_fd, &data->fb4);
+               data->fb_id4 = 0;
+       }
         if (!plane->is_primary) {
                 igt_plane_t *primary;

@@ -235,7 +259,7 @@ static void test_plane_scaling(data_t *d)
                                 LOCAL_I915_FORMAT_MOD_X_TILED, /* tiled */
                                 &d->fb2);
                 igt_assert(d->fb_id2);
-               paint_image(d, &d->fb2, d->fb2.width, d->fb2.height);
+               paint_image(FILE_NAME, d, &d->fb2, d->fb2.width, d->fb2.height);

                 d->fb_id3 = igt_create_fb(d->drm_fd,
                                 mode->hdisplay, mode->vdisplay,
@@ -245,6 +269,17 @@ static void test_plane_scaling(data_t *d)
                 igt_assert(d->fb_id3);
                 paint_color(d, &d->fb3, mode->hdisplay, mode->vdisplay);

+               if ((display->pipes[pipe].n_planes > 4) && (pipe != PIPE_C)) {
+                       d->fb_id4 = igt_create_fb(d->drm_fd,
+                                       d->image_w, d->image_h,
+                                       DRM_FORMAT_XRGB8888,
+                                       LOCAL_I915_FORMAT_MOD_X_TILED, /*tiled*/
+                                       &d->fb4);
+                       igt_assert(d->fb_id4);
+                       paint_image(FILE_NAME, d,&d->fb4, d->fb4.width,
+                                   d->fb4.height);
+               }
+
                 /* Set up display with plane 1 */
                 d->plane1 = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
                 prepare_crtc(d, output, pipe, d->plane1, mode, COMMIT_UNIVERSAL);
@@ -268,6 +303,7 @@ static void test_plane_scaling(data_t *d)
                 /* Set up fb2->plane2 mapping. */
                 d->plane2 = igt_output_get_plane(output, IGT_PLANE_2);
                 igt_plane_set_fb(d->plane2, &d->fb2);
+               paint_plane_ID(d, &d->fb2, d->plane2);

                 /* 2nd plane windowed */
                 igt_fb_set_position(&d->fb2, d->plane2, 100, 100);
@@ -293,6 +329,7 @@ static void test_plane_scaling(data_t *d)
                 igt_display_commit2(display, COMMIT_UNIVERSAL);

                 if (primary_plane_scaling) {
+
                         /* Primary plane up scaling */
                         igt_fb_set_position(&d->fb1, d->plane1, 100, 100);
                         igt_fb_set_size(&d->fb1, d->plane1, 500, 500);
@@ -304,6 +341,7 @@ static void test_plane_scaling(data_t *d)
                 /* Set up fb3->plane3 mapping. */
                 d->plane3 = igt_output_get_plane(output, IGT_PLANE_3);
                 igt_plane_set_fb(d->plane3, &d->fb3);
+               paint_plane_ID(d, &d->fb3, d->plane3);

                 /* 3rd plane windowed - no scaling */
                 igt_fb_set_position(&d->fb3, d->plane3, 100, 100);
@@ -324,6 +362,35 @@ static void test_plane_scaling(data_t *d)
                 igt_plane_set_size(d->plane3, mode->hdisplay-300, mode->vdisplay-300);
                 igt_display_commit2(display, COMMIT_UNIVERSAL);

+               if ((display->pipes[pipe].n_planes > 4) && (pipe != PIPE_C)) {
+
+                       /* Set up fb4->plane4 mapping. */
+                       d->plane4 = igt_output_get_plane(output, IGT_PLANE_4);
+                       igt_plane_set_fb(d->plane4, &d->fb4);
+                       paint_plane_ID(d, &d->fb4, d->plane4);
+
+                       /* 4th plane windowed - no scaling */
+                       igt_fb_set_position(&d->fb4, d->plane4, 50, 200);
+                       igt_fb_set_size(&d->fb4, d->plane4, d->fb4.width-300, d->fb4.height-300);
+                       igt_plane_set_position(d->plane4, 100, 100);
+                       igt_plane_set_size(d->plane4, d->fb4.width-300, d->fb4.height-300);
+                       igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+                       /* Switch scaler from plane 3 to plane 4 */
+                       igt_fb_set_position(&d->fb3, d->plane3, 100, 100);
+                       igt_fb_set_size(&d->fb3, d->plane3, d->fb3.width-300, d->fb3.height-300);
+                       igt_plane_set_position(d->plane3, 100, 100);
+                       igt_plane_set_size(d->plane3, d->fb3.width-300, d->fb3.height-300);
+                       igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+                       igt_fb_set_position(&d->fb4, d->plane4, 10, 10);
+                       igt_fb_set_size(&d->fb4, d->plane4, d->fb4.width-50, d->fb4.height-50);
+                       igt_plane_set_position(d->plane4, 10, 10);
+                       igt_plane_set_size(d->plane4, mode->hdisplay-300, mode->vdisplay-300);
+                       igt_display_commit2(display, COMMIT_UNIVERSAL);
+
+               }
+
                 if (primary_plane_scaling) {
                         /* Switch scaler from plane 1 to plane 2 */
                         igt_fb_set_position(&d->fb1, d->plane1, 0, 0);
@@ -341,6 +408,8 @@ static void test_plane_scaling(data_t *d)
                 /* back to single plane mode */
                 igt_plane_set_fb(d->plane2, NULL);
                 igt_plane_set_fb(d->plane3, NULL);
+               if (d->plane4)
+                       igt_plane_set_fb(d->plane4, NULL);
                 igt_display_commit2(display, COMMIT_UNIVERSAL);

                 valid_tests++;
--
1.9.1

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