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#include <cogl/cogl.h>
#include "test-utils.h"
/* Keep track of the number of textures that we've created and are
* still alive */
static int destroyed_texture_count = 0;
#define N_TEXTURES 3
static void
free_texture_cb (void *user_data)
{
destroyed_texture_count++;
}
static CoglTexture *
create_texture (void)
{
static const guint8 data[] =
{ 0xff, 0xff, 0xff, 0xff };
static CoglUserDataKey texture_data_key;
CoglTexture2D *tex_2d;
tex_2d = cogl_texture_2d_new_from_data (test_ctx,
1, 1, /* width / height */
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
4, /* rowstride */
data,
NULL);
/* Set some user data on the texture so we can track when it has
* been destroyed */
cogl_object_set_user_data (COGL_OBJECT (tex_2d),
&texture_data_key,
GINT_TO_POINTER (1),
free_texture_cb);
return tex_2d;
}
void
test_pipeline_cache_unrefs_texture (void)
{
CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
CoglPipeline *simple_pipeline;
int i;
/* Create a pipeline with three texture layers. That way we can be
* pretty sure the pipeline will cause a unique shader to be
* generated in the cache */
for (i = 0; i < N_TEXTURES; i++)
{
CoglTexture *tex = create_texture ();
cogl_pipeline_set_layer_texture (pipeline, i, tex);
cogl_object_unref (tex);
}
/* Draw something with the pipeline to ensure it gets into the
* pipeline cache */
cogl_framebuffer_draw_rectangle (test_fb,
pipeline,
0, 0, 10, 10);
cogl_framebuffer_finish (test_fb);
/* Draw something else so that it is no longer the current flushed
* pipeline, and the units have a different texture bound */
simple_pipeline = cogl_pipeline_new (test_ctx);
for (i = 0; i < N_TEXTURES; i++)
{
CoglColor combine_constant;
cogl_color_init_from_4ub (&combine_constant, i, 0, 0, 255);
cogl_pipeline_set_layer_combine_constant (simple_pipeline,
i,
&combine_constant);
}
cogl_framebuffer_draw_rectangle (test_fb, simple_pipeline, 0, 0, 10, 10);
cogl_framebuffer_finish (test_fb);
cogl_object_unref (simple_pipeline);
g_assert_cmpint (destroyed_texture_count, ==, 0);
/* Destroy the pipeline. This should immediately cause the textures
* to be freed */
cogl_object_unref (pipeline);
g_assert_cmpint (destroyed_texture_count, ==, N_TEXTURES);
if (cogl_test_verbose ())
g_print ("OK\n");
}
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