Changeset 2ab8ab3 in mainline for uspace/lib/gfx

Timestamp:

2021-02-16T18:12:05Z (5 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

68a552f

Parents:

ef734b7

Message:

Client-side UI rendering

It is possible to turn on and off and if turned on, one can also
enable or disable window double buffering (currently both options
are build-time).

Location:

uspace/lib/gfx

Files:

• include/gfx/render.h (modified) (2 diffs)
• include/types/gfx/ops/context.h (modified) (2 diffs)
• src/render.c (modified) (2 diffs)
• test/render.c (modified) (6 diffs)

uspace/lib/gfx/include/gfx/render.h

@@ -1 +1 @@
 /*
- * Copyright (c) 2019 Jiri Svoboda
+ * Copyright (c) 2021 Jiri Svoboda
  * All rights reserved.
  *
@@ -44 +44 @@
 extern errno_t gfx_set_color(gfx_context_t *, gfx_color_t *);
 extern errno_t gfx_fill_rect(gfx_context_t *, gfx_rect_t *);
+extern errno_t gfx_update(gfx_context_t *);
 
 #endif

uspace/lib/gfx/include/types/gfx/ops/context.h

@@ -1 +1 @@
 /*
- * Copyright (c) 2019 Jiri Svoboda
+ * Copyright (c) 2021 Jiri Svoboda
  * All rights reserved.
  *
@@ -51 +51 @@
         /** Fill rectangle using the current drawing color */
         errno_t (*fill_rect)(void *, gfx_rect_t *);
+        /** Update display */
+        errno_t (*update)(void *);
         /** Create bitmap */
         errno_t (*bitmap_create)(void *, gfx_bitmap_params_t *,

uspace/lib/gfx/src/render.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2019 Jiri Svoboda
+ * Copyright (c) 2021 Jiri Svoboda
  * All rights reserved.
  *
@@ -63 +63 @@
 }
 
+/** Update display.
+ *
+ * Finish any deferred rendering.
+ *
+ * @param gc Graphic context
+ *
+ * @return EOK on success, ENOMEM if insufficient resources,
+ *         EIO if grahic device connection was lost
+ */
+errno_t gfx_update(gfx_context_t *gc)
+{
+        return gc->ops->update(gc->arg);
+}
+
 /** @}
  */

uspace/lib/gfx/test/render.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2019 Jiri Svoboda
+ * Copyright (c) 2021 Jiri Svoboda
  * All rights reserved.
  *
@@ -32 +32 @@
 #include <pcut/pcut.h>
 #include <mem.h>
+#include <stdbool.h>
 
 PCUT_INIT;
@@ -39 +40 @@
 static errno_t testgc_set_color(void *, gfx_color_t *);
 static errno_t testgc_fill_rect(void *, gfx_rect_t *);
+static errno_t testgc_update(void *);
 
 static gfx_context_ops_t ops = {
         .set_color = testgc_set_color,
-        .fill_rect = testgc_fill_rect
+        .fill_rect = testgc_fill_rect,
+        .update = testgc_update
 };
 
@@ -49 +52 @@
         gfx_color_t *dclr;
         gfx_rect_t *rect;
+        bool updated;
 } test_gc_t;
 
@@ -107 +111 @@
 }
 
+PCUT_TEST(update)
+{
+        errno_t rc;
+        gfx_context_t *gc = NULL;
+        test_gc_t tgc;
+
+        memset(&tgc, 0, sizeof(tgc));
+
+        rc = gfx_context_new(&ops, &tgc, &gc);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+
+        PCUT_ASSERT_FALSE(tgc.updated);
+        gfx_update(gc);
+        PCUT_ASSERT_TRUE(tgc.updated);
+
+        rc = gfx_context_delete(gc);
+        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
+}
+
 static errno_t testgc_set_color(void *arg, gfx_color_t *color)
 {
@@ -125 +148 @@
 }
 
+static errno_t testgc_update(void *arg)
+{
+        test_gc_t *tgc = (test_gc_t *) arg;
+
+        tgc->updated = true;
+        return EOK;
+}
+
 PCUT_EXPORT(render);