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test-primitive: Add a test for cogl_primitive_copy

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This adds a little test which makes a copy of a CoglPrimitive and
verifies that all of the properties on the new primitive are the same
as the old one.

Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Neil Roberts 2012-02-06 14:02:01 +00:00
parent 77c3b1b905
commit 389198a0d5
1 changed files with 108 additions and 0 deletions
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108
tests/conform/test-primitive.c
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@ -1,5 +1,6 @@
#include <cogl/cogl.h>
#include <string.h>
#include <stdlib.h>
#include "test-utils.h"
@ -14,6 +15,8 @@ typedef struct _TestState
#define PRIM_COLOR 0xff00ffff
#define TEX_COLOR 0x0000ffff
#define N_ATTRIBS 8
typedef CoglPrimitive * (* TestPrimFunc) (guint32 *expected_color);
static CoglPrimitive *
@ -196,6 +199,110 @@ test_paint (TestState *state)
}
}
static gboolean
get_attributes_cb (CoglPrimitive *prim,
CoglAttribute *attrib,
void *user_data)
{
CoglAttribute ***p = user_data;
*((* p)++) = attrib;
return TRUE;
}
static int
compare_pointers (const void *a, const void *b)
{
CoglAttribute *pa = *(CoglAttribute **) a;
CoglAttribute *pb = *(CoglAttribute **) b;
if (pa < pb)
return -1;
else if (pa > pb)
return 1;
else
return 0;
}
static void
test_copy (TestState *state)
{
static const guint16 indices_data[2] = { 1, 2 };
CoglAttributeBuffer *buffer = cogl_attribute_buffer_new (100, NULL);
CoglAttribute *attributes[N_ATTRIBS];
CoglAttribute *attributes_a[N_ATTRIBS], *attributes_b[N_ATTRIBS];
CoglAttribute **p;
CoglPrimitive *prim_a, *prim_b;
CoglIndices *indices;
int i;
for (i = 0; i < N_ATTRIBS; i++)
{
char *name = g_strdup_printf ("foo_%i", i);
attributes[i] = cogl_attribute_new (buffer,
name,
16, /* stride */
16, /* offset */
2, /* components */
COGL_ATTRIBUTE_TYPE_FLOAT);
g_free (name);
}
prim_a = cogl_primitive_new_with_attributes (COGL_VERTICES_MODE_TRIANGLES,
8, /* n_vertices */
attributes,
N_ATTRIBS);
indices = cogl_indices_new (COGL_INDICES_TYPE_UNSIGNED_SHORT,
indices_data,
2 /* n_indices */);
cogl_primitive_set_first_vertex (prim_a, 12);
cogl_primitive_set_indices (prim_a, indices, 2);
prim_b = cogl_primitive_copy (prim_a);
p = attributes_a;
cogl_primitive_foreach_attribute (prim_a,
get_attributes_cb,
&p);
g_assert_cmpint (p - attributes_a, ==, N_ATTRIBS);
p = attributes_b;
cogl_primitive_foreach_attribute (prim_b,
get_attributes_cb,
&p);
g_assert_cmpint (p - attributes_b, ==, N_ATTRIBS);
qsort (attributes_a, N_ATTRIBS, sizeof (CoglAttribute *), compare_pointers);
qsort (attributes_b, N_ATTRIBS, sizeof (CoglAttribute *), compare_pointers);
g_assert (memcmp (attributes_a, attributes_b, sizeof (attributes_a)) == 0);
g_assert_cmpint (cogl_primitive_get_first_vertex (prim_a),
==,
cogl_primitive_get_first_vertex (prim_b));
g_assert_cmpint (cogl_primitive_get_n_vertices (prim_a),
==,
cogl_primitive_get_n_vertices (prim_b));
g_assert_cmpint (cogl_primitive_get_mode (prim_a),
==,
cogl_primitive_get_mode (prim_b));
g_assert (cogl_primitive_get_indices (prim_a) ==
cogl_primitive_get_indices (prim_b));
cogl_object_unref (prim_a);
cogl_object_unref (prim_b);
cogl_object_unref (indices);
for (i = 0; i < N_ATTRIBS; i++)
cogl_object_unref (attributes[i]);
cogl_object_unref (buffer);
}
void
test_cogl_primitive (TestUtilsGTestFixture *fixture,
void *data)
@ -213,6 +320,7 @@ test_cogl_primitive (TestUtilsGTestFixture *fixture,
-1, 100 /* z near, far */);
test_paint (&state);
test_copy (&state);
if (g_test_verbose ())
g_print ("OK\n");