void
test_primitive_and_journal (void)
{
CoglPrimitive *primitives[2];
CoglPipeline *pipeline;
setup_orthographic_modelview ();
create_primitives (primitives);
pipeline = create_pipeline ();
/* Set a clip to clip all three rectangles to just the bottom half.
* The journal flushes its own clip state so this verifies that the
* clip state is correctly restored for the second primitive. */
cogl_framebuffer_push_rectangle_clip (test_fb,
0, 50, 300, 100);
cogl_primitive_draw (primitives[0], test_fb, pipeline);
/* Draw a rectangle using the journal in-between the two primitives.
* This should test that the journal gets flushed correctly and that
* the modelview matrix is restored. Half of the rectangle should be
* overriden by the second primitive */
cogl_framebuffer_draw_rectangle (test_fb,
pipeline,
100, 0, /* x1/y1 */
300, 100 /* x2/y2 */);
cogl_primitive_draw (primitives[1], test_fb, pipeline);
/* Check the three rectangles */
test_utils_check_region (test_fb,
1, 51,
98, 48,
0xff0000ff);
test_utils_check_region (test_fb,
101, 51,
98, 48,
0x00ff00ff);
test_utils_check_region (test_fb,
201, 51,
98, 48,
0x0000ffff);
/* Check that the top half of all of the rectangles was clipped */
test_utils_check_region (test_fb,
1, 1,
298, 48,
0x000000ff);
cogl_framebuffer_pop_clip (test_fb);
if (cogl_test_verbose ())
g_print ("OK\n");
}
void
test_alpha_test (void)
{
CoglTexture *tex = COGL_TEXTURE (create_texture (test_ctx));
CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
int fb_width = cogl_framebuffer_get_width (test_fb);
int fb_height = cogl_framebuffer_get_height (test_fb);
CoglColor clear_color;
cogl_pipeline_set_layer_texture (pipeline, 0, tex);
cogl_pipeline_set_layer_filters (pipeline, 0,
COGL_PIPELINE_FILTER_NEAREST,
COGL_PIPELINE_FILTER_NEAREST);
cogl_pipeline_set_alpha_test_function (pipeline,
COGL_PIPELINE_ALPHA_FUNC_GEQUAL,
254 / 255.0f /* alpha reference */);
cogl_color_init_from_4ub (&clear_color, 0x00, 0x00, 0xff, 0xff);
cogl_framebuffer_clear (test_fb,
COGL_BUFFER_BIT_COLOR,
&clear_color);
cogl_framebuffer_draw_rectangle (test_fb,
pipeline,
-1, -1,
1, 1);
cogl_object_unref (pipeline);
cogl_object_unref (tex);
/* The left side of the framebuffer should use the first pixel from
* the texture which is red */
test_utils_check_region (test_fb,
2, 2,
fb_width / 2 - 4,
fb_height - 4,
0xff0000ff);
/* The right side of the framebuffer should use the clear color
* because the second pixel from the texture is clipped from the
* alpha test */
test_utils_check_region (test_fb,
fb_width / 2 + 2,
2,
fb_width / 2 - 4,
fb_height - 4,
0x0000ffff);
if (cogl_test_verbose ())
g_print ("OK\n");
}
static void
validate_part (int xnum, int ynum, gboolean shown)
{
test_utils_check_region (xnum * TEXTURE_RENDER_SIZE + TEST_INSET,
ynum * TEXTURE_RENDER_SIZE + TEST_INSET,
TEXTURE_RENDER_SIZE - TEST_INSET * 2,
TEXTURE_RENDER_SIZE - TEST_INSET * 2,
shown ? 0xff0000ff : 0x000000ff);
}
static void
validate_part (CoglFramebuffer *framebuffer,
int xnum, int ynum, CoglBool shown)
{
test_utils_check_region (framebuffer,
xnum * TEXTURE_RENDER_SIZE + TEST_INSET,
ynum * TEXTURE_RENDER_SIZE + TEST_INSET,
TEXTURE_RENDER_SIZE - TEST_INSET * 2,
TEXTURE_RENDER_SIZE - TEST_INSET * 2,
shown ? 0xff0000ff : 0x000000ff);
}
static void
check_colors (int x_offset,
int y_offset,
const uint8_t expected_colors[9])
{
int x, y;
for (y = 0; y < 4; y++)
for (x = 0; x < 4; x++)
{
uint32_t color = expected_colors[x + y * 4];
test_utils_check_region (test_fb,
x * DRAW_SIZE / 4 + 1 + x_offset,
y * DRAW_SIZE / 4 + 1 + y_offset,
DRAW_SIZE / 4 - 2,
DRAW_SIZE / 4 - 2,
0xff |
(color << 8) |
(color << 16) |
(color << 24));
}
}
static void
do_test (CoglBool check_orientation)
{
int fb_width = cogl_framebuffer_get_width (test_fb);
int fb_height = cogl_framebuffer_get_height (test_fb);
CoglPrimitive *prim;
CoglError *error = NULL;
CoglTexture2D *tex_2d;
CoglPipeline *pipeline, *solid_pipeline;
CoglBool res;
int tex_height;
cogl_framebuffer_orthographic (test_fb,
0, 0, /* x_1, y_1 */
fb_width, /* x_2 */
fb_height /* y_2 */,
-1, 100 /* near/far */);
cogl_framebuffer_clear4f (test_fb,
COGL_BUFFER_BIT_COLOR,
1.0f, 1.0f, 1.0f, 1.0f);
/* If we're not checking the orientation of the point sprite then
* we'll set the height of the texture to 1 so that the vertical
* orientation does not matter */
if (check_orientation)
tex_height = 2;
else
tex_height = 1;
tex_2d = cogl_texture_2d_new_from_data (test_ctx,
2, tex_height, /* width/height */
COGL_PIXEL_FORMAT_RGB_888,
COGL_PIXEL_FORMAT_ANY,
6, /* row stride */
tex_data,
&error);
g_assert (tex_2d != NULL);
g_assert (error == NULL);
pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_layer_texture (pipeline, 0, COGL_TEXTURE (tex_2d));
res = cogl_pipeline_set_layer_point_sprite_coords_enabled (pipeline,
/* layer_index */
0,
/* enable */
TRUE,
&error);
g_assert (res == TRUE);
g_assert (error == NULL);
cogl_pipeline_set_layer_filters (pipeline,
0, /* layer_index */
COGL_PIPELINE_FILTER_NEAREST,
COGL_PIPELINE_FILTER_NEAREST);
cogl_pipeline_set_point_size (pipeline, POINT_SIZE);
prim = cogl_primitive_new_p2t2 (test_ctx,
COGL_VERTICES_MODE_POINTS,
1, /* n_vertices */
&point);
cogl_primitive_draw (prim, test_fb, pipeline);
/* Render the primitive again without point sprites to make sure
disabling it works */
solid_pipeline = cogl_pipeline_copy (pipeline);
cogl_pipeline_set_layer_point_sprite_coords_enabled (solid_pipeline,
/* layer_index */
0,
/* enable */
FALSE,
&error);
cogl_framebuffer_push_matrix (test_fb);
cogl_framebuffer_translate (test_fb,
POINT_SIZE * 2, /* x */
0.0f, /* y */
0.0f /* z */);
cogl_primitive_draw (prim, test_fb, solid_pipeline);
cogl_framebuffer_pop_matrix (test_fb);
cogl_object_unref (prim);
cogl_object_unref (solid_pipeline);
cogl_object_unref (pipeline);
cogl_object_unref (tex_2d);
test_utils_check_pixel (test_fb,
POINT_SIZE - POINT_SIZE / 4,
POINT_SIZE - POINT_SIZE / 4,
0x0000ffff);
test_utils_check_pixel (test_fb,
POINT_SIZE + POINT_SIZE / 4,
POINT_SIZE - POINT_SIZE / 4,
0x00ff00ff);
test_utils_check_pixel (test_fb,
POINT_SIZE - POINT_SIZE / 4,
POINT_SIZE + POINT_SIZE / 4,
check_orientation ?
0x00ffffff :
0x0000ffff);
test_utils_check_pixel (test_fb,
POINT_SIZE + POINT_SIZE / 4,
POINT_SIZE + POINT_SIZE / 4,
check_orientation ?
0xff0000ff :
0x00ff00ff);
/* When rendering without the point sprites all of the texture
coordinates should be 0,0 so it should get the top-left texel
which is blue */
test_utils_check_region (test_fb,
POINT_SIZE * 3 - POINT_SIZE / 2 + 1,
POINT_SIZE - POINT_SIZE / 2 + 1,
POINT_SIZE - 2, POINT_SIZE - 2,
0x0000ffff);
if (cogl_test_verbose ())
g_print ("OK\n");
}
static void
do_test (CoglBool check_orientation,
CoglBool use_glsl)
{
int fb_width = cogl_framebuffer_get_width (test_fb);
int fb_height = cogl_framebuffer_get_height (test_fb);
CoglPrimitive *prim;
CoglError *error = NULL;
CoglTexture2D *tex_2d;
CoglPipeline *pipeline, *solid_pipeline;
int tex_height;
cogl_framebuffer_orthographic (test_fb,
0, 0, /* x_1, y_1 */
fb_width, /* x_2 */
fb_height /* y_2 */,
-1, 100 /* near/far */);
cogl_framebuffer_clear4f (test_fb,
COGL_BUFFER_BIT_COLOR,
1.0f, 1.0f, 1.0f, 1.0f);
/* If we're not checking the orientation of the point sprite then
* we'll set the height of the texture to 1 so that the vertical
* orientation does not matter */
if (check_orientation)
tex_height = 2;
else
tex_height = 1;
tex_2d = cogl_texture_2d_new_from_data (test_ctx,
2, tex_height, /* width/height */
COGL_PIXEL_FORMAT_RGB_888,
COGL_PIXEL_FORMAT_ANY,
6, /* row stride */
tex_data,
&error);
g_assert (tex_2d != NULL);
g_assert (error == NULL);
pipeline = cogl_pipeline_new (test_ctx);
cogl_pipeline_set_layer_texture (pipeline, 0, tex_2d);
cogl_pipeline_set_layer_filters (pipeline,
0, /* layer_index */
COGL_PIPELINE_FILTER_NEAREST,
COGL_PIPELINE_FILTER_NEAREST);
cogl_pipeline_set_point_size (pipeline, POINT_SIZE);
/* If we're using GLSL then we don't need to enable point sprite
* coords and we can just directly reference cogl_point_coord in the
* snippet */
if (use_glsl)
{
CoglSnippet *snippet =
cogl_snippet_new (COGL_SNIPPET_HOOK_TEXTURE_LOOKUP,
NULL, /* declarations */
NULL /* post */);
static const char source[] =
" cogl_texel = texture2D (cogl_sampler, cogl_point_coord);\n";
cogl_snippet_set_replace (snippet, source);
/* Keep a reference to the original pipeline because there is no
* way to remove a snippet in order to recreate the solid
* pipeline */
solid_pipeline = cogl_pipeline_copy (pipeline);
cogl_pipeline_add_layer_snippet (pipeline, 0, snippet);
cogl_object_unref (snippet);
}
else
{
CoglBool res =
cogl_pipeline_set_layer_point_sprite_coords_enabled (pipeline,
/* layer_index */
0,
/* enable */
TRUE,
&error);
g_assert (res == TRUE);
g_assert (error == NULL);
solid_pipeline = cogl_pipeline_copy (pipeline);
res =
cogl_pipeline_set_layer_point_sprite_coords_enabled (solid_pipeline,
/* layer_index */
0,
/* enable */
FALSE,
&error);
g_assert (res == TRUE);
g_assert (error == NULL);
}
prim = cogl_primitive_new_p2t2 (test_ctx,
COGL_VERTICES_MODE_POINTS,
1, /* n_vertices */
&point);
cogl_primitive_draw (prim, test_fb, pipeline);
/* Render the primitive again without point sprites to make sure
disabling it works */
cogl_framebuffer_push_matrix (test_fb);
cogl_framebuffer_translate (test_fb,
POINT_SIZE * 2, /* x */
0.0f, /* y */
0.0f /* z */);
cogl_primitive_draw (prim, test_fb, solid_pipeline);
cogl_framebuffer_pop_matrix (test_fb);
cogl_object_unref (prim);
cogl_object_unref (solid_pipeline);
cogl_object_unref (pipeline);
cogl_object_unref (tex_2d);
test_utils_check_pixel (test_fb,
POINT_SIZE - POINT_SIZE / 4,
POINT_SIZE - POINT_SIZE / 4,
0x0000ffff);
test_utils_check_pixel (test_fb,
POINT_SIZE + POINT_SIZE / 4,
POINT_SIZE - POINT_SIZE / 4,
0x00ff00ff);
test_utils_check_pixel (test_fb,
POINT_SIZE - POINT_SIZE / 4,
POINT_SIZE + POINT_SIZE / 4,
check_orientation ?
0x00ffffff :
0x0000ffff);
test_utils_check_pixel (test_fb,
POINT_SIZE + POINT_SIZE / 4,
POINT_SIZE + POINT_SIZE / 4,
check_orientation ?
0xff0000ff :
0x00ff00ff);
/* When rendering without the point sprites all of the texture
coordinates should be 0,0 so it should get the top-left texel
which is blue */
test_utils_check_region (test_fb,
POINT_SIZE * 3 - POINT_SIZE / 2 + 1,
POINT_SIZE - POINT_SIZE / 2 + 1,
POINT_SIZE - 2, POINT_SIZE - 2,
0x0000ffff);
if (cogl_test_verbose ())
g_print ("OK\n");
}
