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121 lines
3.5 KiB
C
121 lines
3.5 KiB
C
#include <cogl/cogl.h>
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#include <string.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 alive_texture_mask = 0;
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#define N_LAYERS 3
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#define N_PIPELINES 4
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#define PIPELINE_LAYER_MASK(pipeline_num) \
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(((1 << N_LAYERS) - 1) << (N_LAYERS * (pipeline_num) + 1))
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#define LAST_PIPELINE_MASK PIPELINE_LAYER_MASK (N_PIPELINES - 1)
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#define FIRST_PIPELINE_MASK PIPELINE_LAYER_MASK (0)
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static void
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free_texture_cb (void *user_data)
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{
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int texture_num = GPOINTER_TO_INT (user_data);
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alive_texture_mask &= ~(1 << texture_num);
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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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static int texture_num = 1;
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alive_texture_mask |= (1 << texture_num);
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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 (texture_num),
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free_texture_cb);
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texture_num++;
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return tex_2d;
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}
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void
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test_copy_replace_texture (void)
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{
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CoglPipeline *pipelines[N_PIPELINES];
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int pipeline_num;
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/* Create a set of pipeline copies each with three of their own
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* replacement textures */
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for (pipeline_num = 0; pipeline_num < N_PIPELINES; pipeline_num++)
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{
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int layer_num;
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if (pipeline_num == 0)
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pipelines[pipeline_num] = cogl_pipeline_new (test_ctx);
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else
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pipelines[pipeline_num] =
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cogl_pipeline_copy (pipelines[pipeline_num - 1]);
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for (layer_num = 0; layer_num < N_LAYERS; layer_num++)
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{
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CoglTexture *tex = create_texture ();
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cogl_pipeline_set_layer_texture (pipelines[pipeline_num],
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layer_num,
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tex);
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cogl_object_unref (tex);
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}
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}
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/* Unref everything but the last pipeline */
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for (pipeline_num = 0; pipeline_num < N_PIPELINES - 1; pipeline_num++)
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cogl_object_unref (pipelines[pipeline_num]);
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if (alive_texture_mask && cogl_test_verbose ())
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{
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int i;
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g_print ("Alive textures:");
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for (i = 0; i < N_PIPELINES * N_LAYERS; i++)
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if ((alive_texture_mask & (1 << (i + 1))))
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g_print (" %i", i);
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g_print ("\n");
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}
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/* Ideally there should only be the textures from the last pipeline
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* left alive. We also let Cogl keep the textures from the first
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* texture alive because currently the child of the third layer in
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* the first pipeline will retain its authority on the unit index
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* state so that it can set it to 2. If there are more textures then
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* it means the pipeline isn't correctly pruning redundant
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* ancestors */
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g_assert_cmpint (alive_texture_mask & ~FIRST_PIPELINE_MASK,
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==,
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LAST_PIPELINE_MASK);
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/* Clean up the last pipeline */
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cogl_object_unref (pipelines[N_PIPELINES - 1]);
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/* That should get rid of the last of the textures */
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g_assert_cmpint (alive_texture_mask, ==, 0);
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if (cogl_test_verbose ())
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g_print ("OK\n");
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}
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