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#include <cogl/cogl.h>
#include "test-utils.h"
#define TEST_SQUARE_SIZE 10
static CoglPipeline *
create_two_layer_pipeline (void)
{
CoglPipeline *pipeline = cogl_pipeline_new (test_ctx);
CoglColor color;
/* The pipeline is initially black */
cogl_pipeline_set_color4ub (pipeline, 0, 0, 0, 255);
/* The first layer adds a full red component */
cogl_color_init_from_4ub (&color, 255, 0, 0, 255);
cogl_pipeline_set_layer_combine_constant (pipeline, 0, &color);
cogl_pipeline_set_layer_combine (pipeline,
0, /* layer_num */
"RGBA=ADD(PREVIOUS,CONSTANT)",
NULL);
/* The second layer adds a full green component */
cogl_color_init_from_4ub (&color, 0, 255, 0, 255);
cogl_pipeline_set_layer_combine_constant (pipeline, 1, &color);
cogl_pipeline_set_layer_combine (pipeline,
1, /* layer_num */
"RGBA=ADD(PREVIOUS,CONSTANT)",
NULL);
return pipeline;
}
static void
test_color (CoglPipeline *pipeline,
uint32_t color,
int pos)
{
cogl_framebuffer_draw_rectangle (test_fb,
pipeline,
pos * TEST_SQUARE_SIZE,
0,
pos * TEST_SQUARE_SIZE + TEST_SQUARE_SIZE,
TEST_SQUARE_SIZE);
test_utils_check_pixel (test_fb,
pos * TEST_SQUARE_SIZE + TEST_SQUARE_SIZE / 2,
TEST_SQUARE_SIZE / 2,
color);
}
void
test_layer_remove (void)
{
CoglPipeline *pipeline0, *pipeline1;
CoglColor color;
int pos = 0;
cogl_framebuffer_orthographic (test_fb,
0, 0,
cogl_framebuffer_get_width (test_fb),
cogl_framebuffer_get_height (test_fb),
-1,
100);
/** TEST 1 **/
/* Basic sanity check that the pipeline combines the two colors
* together properly */
pipeline0 = create_two_layer_pipeline ();
test_color (pipeline0, 0xffff00ff, pos++);
cogl_object_unref (pipeline0);
/** TEST 2 **/
/* Check that we can remove the second layer */
pipeline0 = create_two_layer_pipeline ();
cogl_pipeline_remove_layer (pipeline0, 1);
test_color (pipeline0, 0xff0000ff, pos++);
cogl_object_unref (pipeline0);
/** TEST 3 **/
/* Check that we can remove the first layer */
pipeline0 = create_two_layer_pipeline ();
cogl_pipeline_remove_layer (pipeline0, 0);
test_color (pipeline0, 0x00ff00ff, pos++);
cogl_object_unref (pipeline0);
/** TEST 4 **/
/* Check that we can make a copy and remove a layer from the
* original pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_pipeline_remove_layer (pipeline0, 1);
test_color (pipeline0, 0xff0000ff, pos++);
test_color (pipeline1, 0xffff00ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 5 **/
/* Check that we can make a copy and remove the second layer from the
* new pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_pipeline_remove_layer (pipeline1, 1);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0xff0000ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 6 **/
/* Check that we can make a copy and remove the first layer from the
* new pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_pipeline_remove_layer (pipeline1, 0);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0x00ff00ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 7 **/
/* Check that we can modify a layer in a child pipeline */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_color_init_from_4ub (&color, 0, 0, 255, 255);
cogl_pipeline_set_layer_combine_constant (pipeline1, 0, &color);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0x00ffffff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
/** TEST 8 **/
/* Check that we can modify a layer in a child pipeline but then remove it */
pipeline0 = create_two_layer_pipeline ();
pipeline1 = cogl_pipeline_copy (pipeline0);
cogl_color_init_from_4ub (&color, 0, 0, 255, 255);
cogl_pipeline_set_layer_combine_constant (pipeline1, 0, &color);
cogl_pipeline_remove_layer (pipeline1, 0);
test_color (pipeline0, 0xffff00ff, pos++);
test_color (pipeline1, 0x00ff00ff, pos++);
cogl_object_unref (pipeline0);
cogl_object_unref (pipeline1);
if (cogl_test_verbose ())
g_print ("OK\n");
}
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