mutter/tests/conform/test-cogl-primitive.c

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#include <clutter/clutter.h>
#include <string.h>
#include "test-conform-common.h"
static const ClutterColor stage_color = { 0x00, 0xff, 0x00, 0xff };
static const ClutterColor prim_color = { 0xff, 0x00, 0xff, 0xff };
static const ClutterColor tex_color = { 0x00, 0x00, 0xff, 0xff };
typedef CoglPrimitive * (* TestPrimFunc) (ClutterColor *expected_color);
static CoglPrimitive *
test_prim_p2 (ClutterColor *expected_color)
{
static const CoglP2Vertex verts[] =
{ { 0, 0 }, { 0, 10 }, { 10, 0 } };
return cogl_primitive_new_p2 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3 (ClutterColor *expected_color)
{
static const CoglP3Vertex verts[] =
{ { 0, 0, 0 }, { 0, 10, 0 }, { 10, 0, 0 } };
return cogl_primitive_new_p3 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p2c4 (ClutterColor *expected_color)
{
static const CoglP2C4Vertex verts[] =
{ { 0, 0, 255, 255, 0, 255 },
{ 0, 10, 255, 255, 0, 255 },
{ 10, 0, 255, 255, 0, 255 } };
expected_color->red = 255;
expected_color->green = 255;
expected_color->blue = 0;
return cogl_primitive_new_p2c4 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3c4 (ClutterColor *expected_color)
{
static const CoglP3C4Vertex verts[] =
{ { 0, 0, 0, 255, 255, 0, 255 },
{ 0, 10, 0, 255, 255, 0, 255 },
{ 10, 0, 0, 255, 255, 0, 255 } };
expected_color->red = 255;
expected_color->green = 255;
expected_color->blue = 0;
return cogl_primitive_new_p3c4 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p2t2 (ClutterColor *expected_color)
{
static const CoglP2T2Vertex verts[] =
{ { 0, 0, 1, 0 },
{ 0, 10, 1, 0 },
{ 10, 0, 1, 0 } };
*expected_color = tex_color;
return cogl_primitive_new_p2t2 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3t2 (ClutterColor *expected_color)
{
static const CoglP3T2Vertex verts[] =
{ { 0, 0, 0, 1, 0 },
{ 0, 10, 0, 1, 0 },
{ 10, 0, 0, 1, 0 } };
*expected_color = tex_color;
return cogl_primitive_new_p3t2 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p2t2c4 (ClutterColor *expected_color)
{
static const CoglP2T2C4Vertex verts[] =
{ { 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 0, 10, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 10, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff } };
*expected_color = tex_color;
expected_color->blue = 0xf0;
return cogl_primitive_new_p2t2c4 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static CoglPrimitive *
test_prim_p3t2c4 (ClutterColor *expected_color)
{
static const CoglP3T2C4Vertex verts[] =
{ { 0, 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 0, 10, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff },
{ 10, 0, 0, 1, 0, 0xff, 0xff, 0xf0, 0xff } };
*expected_color = tex_color;
expected_color->blue = 0xf0;
return cogl_primitive_new_p3t2c4 (COGL_VERTICES_MODE_TRIANGLES,
3, /* n_vertices */
verts);
}
static const TestPrimFunc
test_prim_funcs[] =
{
test_prim_p2,
test_prim_p3,
test_prim_p2c4,
test_prim_p3c4,
test_prim_p2t2,
test_prim_p3t2,
test_prim_p2t2c4,
test_prim_p3t2c4
};
static void
paint_cb (void)
{
CoglPipeline *pipeline;
CoglHandle tex;
guint8 tex_data[6];
int i;
/* Create a two pixel texture. The first pixel is white and the
second pixel is tex_color. The assumption is that if no texture
coordinates are specified then it will default to 0,0 and get
white */
tex_data[0] = 255;
tex_data[1] = 255;
tex_data[2] = 255;
tex_data[3] = tex_color.red;
tex_data[4] = tex_color.green;
tex_data[5] = tex_color.blue;
tex = cogl_texture_new_from_data (2, 1, /* size */
COGL_TEXTURE_NO_ATLAS,
COGL_PIXEL_FORMAT_RGB_888,
COGL_PIXEL_FORMAT_ANY,
6, /* rowstride */
tex_data);
pipeline = cogl_pipeline_new ();
cogl_pipeline_set_color4ub (pipeline,
prim_color.red,
prim_color.green,
prim_color.blue,
prim_color.alpha);
cogl_pipeline_set_layer_texture (pipeline, 0, tex);
cogl_handle_unref (tex);
cogl_set_source (pipeline);
cogl_object_unref (pipeline);
for (i = 0; i < G_N_ELEMENTS (test_prim_funcs); i++)
{
CoglPrimitive *prim;
ClutterColor expected_color = prim_color;
guint8 pixel[4];
prim = test_prim_funcs[i] (&expected_color);
cogl_push_matrix ();
cogl_translate (i * 10, 0, 0);
cogl_primitive_draw (prim);
cogl_pop_matrix ();
cogl_read_pixels (i * 10 + 2, 2, 1, 1,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
pixel);
g_assert_cmpint (pixel[0], ==, expected_color.red);
g_assert_cmpint (pixel[1], ==, expected_color.green);
g_assert_cmpint (pixel[2], ==, expected_color.blue);
cogl_object_unref (prim);
}
/* Comment this out to see what the test paints */
clutter_main_quit ();
}
void
test_cogl_primitive (TestConformSimpleFixture *fixture,
gconstpointer data)
{
ClutterActor *stage;
guint paint_handler;
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
paint_handler = g_signal_connect_after (stage, "paint",
G_CALLBACK (paint_cb), NULL);
clutter_actor_show (stage);
clutter_main ();
g_signal_handler_disconnect (stage, paint_handler);
if (g_test_verbose ())
g_print ("OK\n");
}