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Port the pipeline-user-matrix conformance test from Clutter

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Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Luca Bruno 2011-10-01 11:04:32 +02:00 committed by Robert Bragg
parent 5784905462
commit 3d75bd35ba
3 changed files with 61 additions and 65 deletions
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2
tests/conform/Makefile.am
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@ -14,7 +14,6 @@ unported_test_sources = \
test-blend-strings.c \
test-fixed.c \
test-materials.c \
test-pipeline-user-matrix.c \
test-viewport.c \
test-multitexture.c \
test-npot-texture.c \
@ -43,6 +42,7 @@ test_sources = \
test-color-mask.c \
test-backface-culling.c \
test-just-vertex-shader.c \
test-pipeline-user-matrix.c \
$(NULL)
test_conformance_SOURCES = $(common_sources) $(test_sources)

2
tests/conform/test-conform-main.c
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@ -133,7 +133,7 @@ main (int argc, char **argv)
UNPORTED_TEST ("/cogl", test_cogl_object);
UNPORTED_TEST ("/cogl", test_cogl_fixed);
UNPORTED_TEST ("/cogl", test_cogl_materials);
UNPORTED_TEST ("/cogl", test_cogl_pipeline_user_matrix);
ADD_TEST ("/cogl", test_cogl_pipeline_user_matrix);
UNPORTED_TEST ("/cogl", test_cogl_blend_strings);
UNPORTED_TEST ("/cogl", test_cogl_premult);
UNPORTED_TEST ("/cogl", test_cogl_readpixels);

122
tests/conform/test-pipeline-user-matrix.c
View File

@ -1,12 +1,42 @@
#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include <string.h>
#include "test-conform-common.h"
#include "test-utils.h"
static const ClutterColor stage_color = { 0x00, 0x00, 0x00, 0xff };
typedef struct _TestState
{
int width;
int height;
} TestState;
static void
paint_cb (ClutterActor *stage)
validate_result (TestState *state)
{
guint32 *pixels, *p;
char *screen_pixel;
const char *intended_pixel = "#ffffff";
/* The textures are setup so that when added together with the
correct matrices then all of the pixels should be white. We can
verify this by reading back the entire stage */
pixels = g_malloc (state->width * state->height * 4);
cogl_read_pixels (0, 0, state->width, state->height,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
(guint8 *)pixels);
for (p = pixels; p < pixels + state->width * state->height; p++)
{
screen_pixel = g_strdup_printf ("#%06x", GUINT32_FROM_BE (*p) >> 8);
g_assert_cmpstr (screen_pixel, ==, intended_pixel);
g_free (screen_pixel);
}
}
static void
paint (TestState *state)
{
/* This texture is painted mirrored around the x-axis */
guint8 data0[] = {
@ -22,14 +52,21 @@ paint_cb (ClutterActor *stage)
0xff, 0x00, 0xff, /* magenta -> becomes bottom right */
0x00, 0xff, 0xff /* cyan -> becomes bottom left */
};
CoglColor bg;
CoglHandle tex0, tex1;
CoglPipeline *pipeline;
CoglMatrix matrix;
int width, height;
guint8 *pixels, *p;
GError *error = NULL;
width = clutter_actor_get_width (stage);
height = clutter_actor_get_height (stage);
cogl_ortho (0, state->width, /* left, right */
state->height, 0, /* bottom, top */
-1, 100 /* z near, far */);
cogl_color_init_from_4ub (&bg, 0, 0, 0, 255);
cogl_clear (&bg, COGL_BUFFER_BIT_COLOR);
cogl_matrix_init_identity (&matrix);
cogl_set_modelview_matrix (&matrix);
tex0 = cogl_texture_new_from_data (2, 2,
COGL_TEXTURE_NO_ATLAS,
@ -57,9 +94,13 @@ paint_cb (ClutterActor *stage)
COGL_PIPELINE_FILTER_NEAREST);
/* Set a combine mode so that the two textures get added together */
cogl_pipeline_set_layer_combine (pipeline, 1,
"RGBA=ADD(PREVIOUS, TEXTURE)",
NULL);
if (!cogl_pipeline_set_layer_combine (pipeline, 1,
"RGBA=ADD(PREVIOUS, TEXTURE)",
&error))
{
g_warning ("Error setting blend string: %s", error->message);
g_assert_not_reached ();
}
/* Set a matrix on the first layer so that it will mirror about the y-axis */
cogl_matrix_init_identity (&matrix);
@ -74,70 +115,25 @@ paint_cb (ClutterActor *stage)
cogl_pipeline_set_layer_matrix (pipeline, 1, &matrix);
cogl_set_source (pipeline);
cogl_rectangle (0, 0, width, height);
cogl_rectangle (0, 0, state->width, state->height);
cogl_handle_unref (tex1);
cogl_handle_unref (tex0);
cogl_object_unref (pipeline);
/* The textures are setup so that when added together with the
correct matrices then all of the pixels should be white. We can
verify this by reading back the entire stage */
pixels = g_malloc (width * height * 4);
cogl_read_pixels (0, 0, width, height,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
pixels);
for (p = pixels + width * height * 4; p > pixels;)
{
p -= 4;
g_assert_cmpint (p[0], ==, 0xff);
g_assert_cmpint (p[1], ==, 0xff);
g_assert_cmpint (p[2], ==, 0xff);
}
g_free (pixels);
clutter_main_quit ();
}
static gboolean
queue_redraw (gpointer stage)
{
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
return TRUE;
}
void
test_cogl_pipeline_user_matrix (TestUtilsGTestFixture *fixture,
void *data)
{
ClutterActor *stage;
unsigned int idle_source;
unsigned int paint_handler;
TestUtilsSharedState *shared_state = data;
TestState state;
stage = clutter_stage_get_default ();
state.width = cogl_framebuffer_get_width (shared_state->fb);
state.height = cogl_framebuffer_get_height (shared_state->fb);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
/* We force continuous redrawing of the stage, since we need to skip
* the first few frames, and we wont be doing anything else that
* will trigger redrawing. */
idle_source = g_idle_add (queue_redraw, stage);
paint_handler = g_signal_connect_after (stage, "paint",
G_CALLBACK (paint_cb),
NULL);
clutter_actor_show (stage);
clutter_main ();
g_source_remove (idle_source);
g_signal_handler_disconnect (stage, paint_handler);
paint (&state);
validate_result (&state);
if (g_test_verbose ())
g_print ("OK\n");