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tests: Port blend-strings to test both the legacy and the new API

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=660617

Reviewed-by: Robert Bragg <robert@linux.intel.com>
This commit is contained in:
Luca Bruno 2011-10-02 10:22:43 +02:00 committed by Robert Bragg
parent 0a70a159c6
commit bdfaf94afb
3 changed files with 109 additions and 97 deletions
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2
tests/conform/Makefile.am
View File

@ -11,7 +11,6 @@ common_sources = \
$(NULL)
unported_test_sources = \
test-blend-strings.c \
test-fixed.c \
test-materials.c \
test-viewport.c \
@ -38,6 +37,7 @@ unported_test_sources = \
$(NULL)
test_sources = \
test-blend-strings.c \
test-depth-test.c \
test-color-mask.c \
test-backface-culling.c \

202
tests/conform/test-blend-strings.c
View File

@ -1,11 +1,8 @@
#include <clutter/clutter.h>
#include <cogl/cogl.h>
#include <string.h>
#include "test-conform-common.h"
static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
#include "test-utils.h"
#define QUAD_WIDTH 20
@ -24,30 +21,28 @@ static const ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
typedef struct _TestState
{
ClutterGeometry stage_geom;
int dummy;
} TestState;
static void
check_pixel (GLubyte *pixel, guint32 color)
check_pixel (int x, int y, guint32 expected_pixel)
{
guint8 r = MASK_RED (color);
guint8 g = MASK_GREEN (color);
guint8 b = MASK_BLUE (color);
guint8 a = MASK_ALPHA (color);
guint32 pixel;
char *screen_pixel;
char *intended_pixel;
if (g_test_verbose ())
g_print (" expected = %x, %x, %x, %x\n",
r, g, b, a);
/* FIXME - allow for hardware in-precision */
g_assert_cmpint (pixel[RED], ==, r);
g_assert_cmpint (pixel[GREEN], ==, g);
g_assert_cmpint (pixel[BLUE], ==, b);
cogl_read_pixels (x, y, 1, 1, COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
(guint8 *) &pixel);
/* FIXME
* We ignore the alpha, since we don't know if our render target is
* RGB or RGBA */
/* g_assert (pixel[ALPHA] == a); */
screen_pixel = g_strdup_printf ("#%06x", GUINT32_FROM_BE (pixel) >> 8);
intended_pixel = g_strdup_printf ("#%06x", expected_pixel >> 8);
g_assert_cmpstr (screen_pixel, ==, intended_pixel);
g_free (screen_pixel);
g_free (intended_pixel);
}
static void
@ -78,11 +73,84 @@ test_blend (TestState *state,
CoglColor blend_const_color;
CoglHandle material;
CoglPipeline *pipeline;
gboolean status;
GError *error = NULL;
GLubyte pixel[4];
GLint y_off;
GLint x_off;
int y_off;
int x_off;
/* First write out the destination color without any blending... */
pipeline = cogl_pipeline_new ();
cogl_pipeline_set_color4ub (pipeline, Dr, Dg, Db, Da);
cogl_pipeline_set_blend (pipeline, "RGBA = ADD (SRC_COLOR, 0)", NULL);
cogl_set_source (pipeline);
cogl_rectangle (x * QUAD_WIDTH,
y * QUAD_WIDTH,
x * QUAD_WIDTH + QUAD_WIDTH,
y * QUAD_WIDTH + QUAD_WIDTH);
cogl_object_unref (pipeline);
/*
* Now blend a rectangle over our well defined destination:
*/
pipeline = cogl_pipeline_new ();
cogl_pipeline_set_color4ub (pipeline, Sr, Sg, Sb, Sa);
status = cogl_pipeline_set_blend (pipeline, blend_string, &error);
if (!status)
{
/* It's not strictly a test failure; you need a more capable GPU or
* driver to test this blend string. */
if (g_test_verbose ())
{
g_debug ("Failed to test blend string %s: %s",
blend_string, error->message);
g_print ("Skipping\n");
}
return;
}
cogl_color_init_from_4ub (&blend_const_color, Br, Bg, Bb, Ba);
cogl_pipeline_set_blend_constant (pipeline, &blend_const_color);
cogl_set_source (pipeline);
cogl_rectangle (x * QUAD_WIDTH,
y * QUAD_WIDTH,
x * QUAD_WIDTH + QUAD_WIDTH,
y * QUAD_WIDTH + QUAD_WIDTH);
cogl_object_unref (pipeline);
/* See what we got... */
y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
if (g_test_verbose ())
{
g_print ("test_blend (%d, %d):\n%s\n", x, y, blend_string);
g_print (" src color = %02x, %02x, %02x, %02x\n", Sr, Sg, Sb, Sa);
g_print (" dst color = %02x, %02x, %02x, %02x\n", Dr, Dg, Db, Da);
if (blend_constant != BLEND_CONSTANT_UNUSED)
g_print (" blend constant = %02x, %02x, %02x, %02x\n",
Br, Bg, Bb, Ba);
else
g_print (" blend constant = UNUSED\n");
}
check_pixel (x_off, y_off, expected_result);
/*
* Test with legacy API
*/
/* Clear previous work */
cogl_set_source_color4ub (0, 0, 0, 0xff);
cogl_rectangle (x * QUAD_WIDTH,
y * QUAD_WIDTH,
x * QUAD_WIDTH + QUAD_WIDTH,
y * QUAD_WIDTH + QUAD_WIDTH);
/* First write out the destination color without any blending... */
material = cogl_material_new ();
@ -105,10 +173,10 @@ test_blend (TestState *state,
status = cogl_material_set_blend (material, blend_string, &error);
if (!status)
{
/* It's not strictly a test failure; you need a more capable GPU or
* driver to test this blend string. */
g_debug ("Failed to test blend string %s: %s",
blend_string, error->message);
/* This is a failure as it must be equivalent to the new API */
g_warning ("Error setting blend string %s: %s",
blend_string, error->message);
g_assert_not_reached ();
}
cogl_color_init_from_4ub (&blend_const_color, Br, Bg, Bb, Ba);
@ -123,28 +191,7 @@ test_blend (TestState *state,
/* See what we got... */
y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
cogl_read_pixels (x_off, y_off, 1, 1,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
pixel);
if (g_test_verbose ())
{
g_print ("test_blend (%d, %d):\n%s\n", x, y, blend_string);
g_print (" src color = %02x, %02x, %02x, %02x\n", Sr, Sg, Sb, Sa);
g_print (" dst color = %02x, %02x, %02x, %02x\n", Dr, Dg, Db, Da);
if (blend_constant != BLEND_CONSTANT_UNUSED)
g_print (" blend constant = %02x, %02x, %02x, %02x\n",
Br, Bg, Bb, Ba);
else
g_print (" blend constant = UNUSED\n");
g_print (" result = %x, %x, %x, %x\n",
pixel[RED], pixel[GREEN], pixel[BLUE], pixel[ALPHA]);
}
check_pixel (pixel, expected_result);
check_pixel (x_off, y_off, expected_result);
}
static CoglHandle
@ -204,9 +251,8 @@ test_tex_combine (TestState *state,
CoglHandle material;
gboolean status;
GError *error = NULL;
GLubyte pixel[4];
GLint y_off;
GLint x_off;
int y_off;
int x_off;
tex0 = make_texture (tex0_color);
@ -250,10 +296,6 @@ test_tex_combine (TestState *state,
y_off = y * QUAD_WIDTH + (QUAD_WIDTH / 2);
x_off = x * QUAD_WIDTH + (QUAD_WIDTH / 2);
cogl_read_pixels (x_off, y_off, 1, 1,
COGL_READ_PIXELS_COLOR_BUFFER,
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
pixel);
if (g_test_verbose ())
{
g_print ("test_tex_combine (%d, %d):\n%s\n", x, y, combine_string);
@ -264,15 +306,13 @@ test_tex_combine (TestState *state,
Cr, Cg, Cb, Ca);
else
g_print (" combine constant = UNUSED\n");
g_print (" result = %02x, %02x, %02x, %02x\n",
pixel[RED], pixel[GREEN], pixel[BLUE], pixel[ALPHA]);
}
check_pixel (pixel, expected_result);
check_pixel (x_off, y_off, expected_result);
}
static void
on_paint (ClutterActor *actor, TestState *state)
paint (TestState *state)
{
test_blend (state, 0, 0, /* position */
0xff0000ff, /* src */
@ -385,48 +425,20 @@ on_paint (ClutterActor *actor, TestState *state)
"RGB = DOT3_RGBA (PREVIOUS, TEXTURE)"
"A = REPLACE (PREVIOUS)",
0x2a2a2abb); /* expected */
/* Comment this out if you want visual feedback for what this test paints */
clutter_main_quit ();
}
static gboolean
queue_redraw (gpointer stage)
{
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
return TRUE;
}
void
test_cogl_blend_strings (TestUtilsGTestFixture *fixture,
void *data)
{
TestUtilsSharedState *shared_state = data;
TestState state;
ClutterActor *stage;
ClutterActor *group;
unsigned int idle_source;
stage = clutter_stage_get_default ();
cogl_ortho (0, cogl_framebuffer_get_width (shared_state->fb), /* left, right */
cogl_framebuffer_get_height (shared_state->fb), 0, /* bottom, top */
-1, 100 /* z near, far */);
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
clutter_actor_get_geometry (stage, &state.stage_geom);
group = clutter_group_new ();
clutter_container_add_actor (CLUTTER_CONTAINER (stage), group);
/* We force continuous redrawing incase someone comments out the
* clutter_main_quit and wants visual feedback for the test since we
* wont be doing anything else that will trigger redrawing. */
idle_source = g_idle_add (queue_redraw, stage);
g_signal_connect (group, "paint", G_CALLBACK (on_paint), &state);
clutter_actor_show_all (stage);
clutter_main ();
g_source_remove (idle_source);
paint (&state);
if (g_test_verbose ())
g_print ("OK\n");

2
tests/conform/test-conform-main.c
View File

@ -134,7 +134,7 @@ main (int argc, char **argv)
UNPORTED_TEST ("/cogl", test_cogl_fixed);
UNPORTED_TEST ("/cogl", test_cogl_materials);
ADD_TEST ("/cogl", test_cogl_pipeline_user_matrix);
UNPORTED_TEST ("/cogl", test_cogl_blend_strings);
ADD_TEST ("/cogl", test_cogl_blend_strings);
UNPORTED_TEST ("/cogl", test_cogl_premult);
UNPORTED_TEST ("/cogl", test_cogl_readpixels);
UNPORTED_TEST ("/cogl", test_cogl_path);