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cogl/pipeline-state: Move out working unit test to separate file

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Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2555>
This commit is contained in:
Jonas Ådahl 2022-08-05 11:11:29 +02:00 committed by Marge Bot
parent ae0f6c549f
commit 16a7f77701
3 changed files with 48 additions and 38 deletions
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38
cogl/cogl/cogl-pipeline-state.c
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@ -41,8 +41,6 @@
#include "cogl-pipeline-state-private.h"
#include "cogl-snippet-private.h"
#include <test-fixtures/test-unit.h>
#include "string.h"
#ifndef GL_FUNC_ADD
@ -1588,39 +1586,3 @@ _cogl_pipeline_hash_fragment_snippets_state (CoglPipeline *authority,
_cogl_pipeline_snippet_list_hash (&authority->big_state->fragment_snippets,
&state->hash);
}
UNIT_TEST (check_blend_constant_ancestry,
0 /* no requirements */,
0 /* no known failures */)
{
CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
CoglNode *node;
int pipeline_length = 0;
int i;
/* Repeatedly making a copy of a pipeline and changing the same
* state (in this case the blend constant) shouldn't cause a long
* chain of pipelines to be created because the redundant ancestry
* should be pruned. */
for (i = 0; i < 20; i++)
{
CoglColor color;
CoglPipeline *tmp_pipeline;
cogl_color_init_from_4f (&color, i / 20.0f, 0.0f, 0.0f, 1.0f);
tmp_pipeline = cogl_pipeline_copy (pipeline);
cogl_object_unref (pipeline);
pipeline = tmp_pipeline;
cogl_pipeline_set_blend_constant (pipeline, &color);
}
for (node = (CoglNode *) pipeline; node; node = node->parent)
pipeline_length++;
g_assert_cmpint (pipeline_length, <=, 2);
cogl_object_unref (pipeline);
}

1
src/tests/cogl/unit/meson.build
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@ -2,6 +2,7 @@ cogl_unit_tests = [
['test-bitmask', true],
['test-pipeline-cache', true],
['test-pipeline-state-known-failure', false],
['test-pipeline-state', true],
]
test_env = environment()

47
src/tests/cogl/unit/test-pipeline-state.c Normal file
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@ -0,0 +1,47 @@
#include "cogl-config.h"
#include "cogl/cogl.h"
#include "cogl/cogl-pipeline-state.h"
#include "tests/cogl-test-utils.h"
static void
test_pipeline_state_blend_constant_ancestry (void)
{
CoglPipeline *pipeline;
CoglNode *node;
int pipeline_length = 0;
int i;
/* Repeatedly making a copy of a pipeline and changing the same
* state (in this case the blend constant) shouldn't cause a long
* chain of pipelines to be created because the redundant ancestry
* should be pruned. */
pipeline = cogl_pipeline_new (test_ctx);
for (i = 0; i < 20; i++)
{
CoglColor color;
CoglPipeline *tmp_pipeline;
cogl_color_init_from_4f (&color, i / 20.0f, 0.0f, 0.0f, 1.0f);
tmp_pipeline = cogl_pipeline_copy (pipeline);
cogl_object_unref (pipeline);
pipeline = tmp_pipeline;
cogl_pipeline_set_blend_constant (pipeline, &color);
}
for (node = (CoglNode *) pipeline; node; node = node->parent)
pipeline_length++;
g_assert_cmpint (pipeline_length, <=, 2);
cogl_object_unref (pipeline);
}
COGL_TEST_SUITE (
g_test_add_func ("/pipeline-state/blend-constant-ancestry",
test_pipeline_state_blend_constant_ancestry);
)