server/tests/test_display_streaming: include tests for clip and sized frames

CC: Alon Levy <alevy@redhat.com>

server/tests/test_display_streaming.c

@@ -9,40 +9,197 @@
 #include <string.h>
 #include <assert.h>
 #include <unistd.h>
+#include <stdlib.h>
+#include <time.h>
 #include "test_display_base.h"
 
 static int sized;
+static int render_last_frame;
 
-void create_update(Command *command)
+void create_overlay(Command *command , int width, int height)
 {
-    static int count = 0;
-    CommandDrawSolid *cmd = &command->solid;
+    CommandDrawBitmap *cmd = &command->bitmap;
+    uint32_t *dst;
+
     cmd->surface_id = 0;
 
     cmd->bbox.left = 0;
-    cmd->bbox.right = test_get_width();
     cmd->bbox.top = 0;
-    cmd->color = 0xffff00 + ((count * 10) % 256);
-    assert(test_get_height() > 50);
-    cmd->bbox.bottom = test_get_height() - 50;
-    if (count < 20) {
-    } else if (sized && count % 5 == 0) {
-        cmd->bbox.bottom = test_get_height();
-        cmd->color = 0xff;
+    cmd->bbox.right = width;
+    cmd->bbox.bottom = height;
+
+    cmd->num_clip_rects = 0;
+    cmd->bitmap = malloc(width * height * 4 );
+    dst = (uint32_t *)cmd->bitmap;
+    for (int i = 0; i < width * height; i++, dst++) {
+        *dst = 0x8B008B;
     }
-    count++;
-    printf("%d %d\n", count, cmd->bbox.bottom);
+
 }
 
-static Command commands[] = {
-    {SIMPLE_DRAW_SOLID, create_update},
-};
+#define NUM_COMMANDS 2000
+#define SIZED_INTERVAL 100
+#define OVERLAY_FRAME 500
+#define OVERLAY_WIDTH 200
+#define OVERLAY_HEIGHT 200
+
+/*
+ * Create a frame in a stream that displays a row that moves
+ * from the top to the bottom repeatedly.
+ * Upon the OVERLAY_FRAME-th, a drawable is created on top of a part of the stream,
+ * and from then on, all the stream frames has a clipping that keeps this drawable
+ * visible, and in addition a clipping_factor is subtracted from the right limit of their clipping.
+ * If sized=TRUE, a higher frame than the original stream height is created every SIZED_INTERVAL.
+ * The sized frames can be distinguished by a change in the color of the top and bottom limits of the
+ * surface.
+ */
+void create_clipped_frame(Command *command, int clipping_factor)
+{
+    static int count = 0;
+    CommandDrawBitmap *cmd = &command->bitmap;
+    int max_height = test_get_height();
+    int width = test_get_width();
+    int height;
+    int cur_line, end_line;
+    uint32_t *dst;
+
+    count++;
+    if (count == NUM_COMMANDS) {
+        count = 0;
+    }
+    if (count == OVERLAY_FRAME) {
+        create_overlay(command, OVERLAY_WIDTH, OVERLAY_HEIGHT);
+        return;
+    }
+
+    cmd->surface_id = 0;
+
+    cmd->bbox.left = 0;
+    cmd->bbox.right = width;
+    assert(max_height > 600);
+    cmd->bbox.top = 50;
+    cmd->bbox.bottom = max_height - 50;
+    height = cmd->bbox.bottom  - cmd->bbox.top;
+    cur_line = (height/30)*(count % 30);
+    end_line = cur_line + (height/30);
+    if (end_line >= height || height - end_line < 8) {
+        end_line = height;
+    }
+
+    if (sized && count % SIZED_INTERVAL == 0) {
+
+        cmd->bbox.top = 0;
+        cmd->bbox.bottom = max_height;
+        height = max_height;
+        cur_line += 50;
+        end_line += 50;
+    }
+
+    cmd->bitmap = malloc(width*height*4);
+    memset(cmd->bitmap, 0xff, width*height*4);
+    dst = (uint32_t *)(cmd->bitmap + cur_line*width*4);
+    for (cur_line; cur_line < end_line; cur_line++) {
+        int col;
+        for (col = 0; col < width; col++, dst++) {
+            *dst = 0x00FF00;
+        }
+    }
+    if (sized && count % SIZED_INTERVAL == 0) {
+        int i;
+        uint32_t color = 0xffffff & rand();
+
+        dst = (uint32_t *)cmd->bitmap;
+
+        for (i = 0; i < 50*width; i++, dst++) {
+            *dst = color;
+        }
+
+        dst = ((uint32_t *)(cmd->bitmap + (height - 50)*4*width));
+
+        for (i = 0; i < 50*width; i++, dst++) {
+            *dst = color;
+        }
+    }
+
+    if (count < OVERLAY_FRAME) {
+        cmd->num_clip_rects = 0;
+    } else {
+        cmd->num_clip_rects = 2;
+        cmd->clip_rects = calloc(sizeof(QXLRect), 2);
+        cmd->clip_rects[0].left = OVERLAY_WIDTH;
+        cmd->clip_rects[0].top = cmd->bbox.top;
+        cmd->clip_rects[0].right = cmd->bbox.right - clipping_factor;
+        cmd->clip_rects[0].bottom = OVERLAY_HEIGHT;
+        cmd->clip_rects[1].left = cmd->bbox.left;
+        cmd->clip_rects[1].top = OVERLAY_HEIGHT;
+        cmd->clip_rects[1].right = cmd->bbox.right - clipping_factor;
+        cmd->clip_rects[1].bottom = cmd->bbox.bottom;
+    }
+}
+
+void create_frame1(Command *command)
+{
+    create_clipped_frame(command, 0);
+}
+
+void create_frame2(Command *command)
+{
+    create_clipped_frame(command, 200);
+}
+
+typedef void (*create_frame_cb)(Command *command);
+
+
+/*
+ * The test contains two types of streams. The first stream doesn't
+ * have a clipping besides the on that the display the overlay drawable.
+ * Expected result: If render_last_frame=false, the last frame should
+ * be sent losslessly. Otherwise, red_update_area should be called, and the
+ * stream is upgraded by a screenshot.
+ *
+ * In the second test, the stream clip changes in the middle (becomes smaller).
+ * Expected result: red_update_area should is, and the
+ * stream is upgraded by a screenshot (including lossy areas that belong to old frames
+ * and were never covered by a lossless drawable).
+ *
+ */
+static void get_stream_commands(Command *commands, int num_commands,
+                                create_frame_cb cb)
+{
+    int i;
+
+    commands[0].command = DESTROY_PRIMARY;
+    commands[1].command = CREATE_PRIMARY;
+    commands[1].create_primary.width = 1280;
+    commands[1].create_primary.height = 1024;
+    commands[num_commands - 1].command = SLEEP;
+    commands[num_commands - 1].sleep.secs = 20;
+
+    for (i = 2; i < num_commands - 1; i++) {
+        commands[i].command = SIMPLE_DRAW_BITMAP;
+        commands[i].cb = cb;
+    }
+    if (render_last_frame) {
+        commands[num_commands - 2].command = SIMPLE_UPDATE;
+    }
+}
+
+static void get_commands(Command **commands, int *num_commands)
+{
+    *num_commands = NUM_COMMANDS * 2;
+    *commands = calloc(sizeof(Command), *num_commands);
+
+    get_stream_commands(*commands, NUM_COMMANDS, create_frame1);
+    get_stream_commands((*commands) + NUM_COMMANDS, NUM_COMMANDS, create_frame2);
+}
 
 SpiceCoreInterface *core;
 SpiceServer *server;
 
 int main(int argc, char **argv)
 {
+    Command *commands;
+    int num_commands;
     int i;
     spice_test_config_parse_args(argc, argv);
     sized = 0;
@@ -50,12 +207,20 @@ int main(int argc, char **argv)
         if (strcmp(argv[i], "sized") == 0) {
             sized = 1;
         }
+        /* render last frame */
+        if (strcmp(argv[i], "render") == 0) {
+            render_last_frame = 1;
+        }
     }
+    srand(time(NULL));
+    // todo: add args list of test numbers with explenations
     core = basic_event_loop_init();
     server = test_init(core);
     spice_server_set_streaming_video(server, SPICE_STREAM_VIDEO_ALL);
     test_add_display_interface(server);
-    test_set_command_list(commands, COUNT(commands));
+    get_commands(&commands, &num_commands);
+    test_set_command_list(commands, num_commands);
     basic_event_loop_mainloop();
+    free(commands);
     return 0;
 }