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