1 #include <cogl/cogl.h>
2
3 #include "test-declarations.h"
4 #include "test-utils.h"
5
6 /* Keep track of the number of textures that we've created and are
7 * still alive */
8 static int destroyed_texture_count = 0;
9
10 #define N_TEXTURES 3
11
12 static void
free_texture_cb(void * user_data)13 free_texture_cb (void *user_data)
14 {
15 destroyed_texture_count++;
16 }
17
18 static CoglTexture *
create_texture(void)19 create_texture (void)
20 {
21 static const guint8 data[] =
22 { 0xff, 0xff, 0xff, 0xff };
23 static CoglUserDataKey texture_data_key;
24 CoglTexture2D *tex_2d;
25
26 tex_2d = cogl_texture_2d_new_from_data (test_ctx,
27 1, 1, /* width / height */
28 COGL_PIXEL_FORMAT_RGBA_8888_PRE,
29 4, /* rowstride */
30 data,
31 NULL);
32
33 /* Set some user data on the texture so we can track when it has
34 * been destroyed */
35 cogl_object_set_user_data (COGL_OBJECT (tex_2d),
36 &texture_data_key,
37 GINT_TO_POINTER (1),
38 free_texture_cb);
39
40 return tex_2d;
41 }
42
43 void
test_pipeline_cache_unrefs_texture(void)44 test_pipeline_cache_unrefs_texture (void)
45 {
46 CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
47 CoglPipeline *simple_pipeline;
48 int i;
49
50 /* Create a pipeline with three texture layers. That way we can be
51 * pretty sure the pipeline will cause a unique shader to be
52 * generated in the cache */
53 for (i = 0; i < N_TEXTURES; i++)
54 {
55 CoglTexture *tex = create_texture ();
56 cogl_pipeline_set_layer_texture (pipeline, i, tex);
57 cogl_object_unref (tex);
58 }
59
60 /* Draw something with the pipeline to ensure it gets into the
61 * pipeline cache */
62 cogl_framebuffer_draw_rectangle (test_fb,
63 pipeline,
64 0, 0, 10, 10);
65 cogl_framebuffer_finish (test_fb);
66
67 /* Draw something else so that it is no longer the current flushed
68 * pipeline, and the units have a different texture bound */
69 simple_pipeline = cogl_pipeline_new (test_ctx);
70 for (i = 0; i < N_TEXTURES; i++)
71 {
72 CoglColor combine_constant;
73 cogl_color_init_from_4ub (&combine_constant, i, 0, 0, 255);
74 cogl_pipeline_set_layer_combine_constant (simple_pipeline,
75 i,
76 &combine_constant);
77 }
78 cogl_framebuffer_draw_rectangle (test_fb, simple_pipeline, 0, 0, 10, 10);
79 cogl_framebuffer_finish (test_fb);
80 cogl_object_unref (simple_pipeline);
81
82 g_assert_cmpint (destroyed_texture_count, ==, 0);
83
84 /* Destroy the pipeline. This should immediately cause the textures
85 * to be freed */
86 cogl_object_unref (pipeline);
87
88 g_assert_cmpint (destroyed_texture_count, ==, N_TEXTURES);
89
90 if (cogl_test_verbose ())
91 g_print ("OK\n");
92 }
93