mirror of
https://github.com/brl/mutter.git
synced 2024-11-27 10:30:47 -05:00
f1752ff3ba
Mixing declarations and code causes problems for MSVC as it is a C99 feature so we should try to avoid it.
368 lines
13 KiB
C
368 lines
13 KiB
C
|
|
#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 };
|
|
|
|
#define QUAD_WIDTH 20
|
|
|
|
#define RED 0
|
|
#define GREEN 1
|
|
#define BLUE 2
|
|
#define ALPHA 3
|
|
|
|
#define MASK_RED(COLOR) ((COLOR & 0xff000000) >> 24)
|
|
#define MASK_GREEN(COLOR) ((COLOR & 0xff0000) >> 16)
|
|
#define MASK_BLUE(COLOR) ((COLOR & 0xff00) >> 8)
|
|
#define MASK_ALPHA(COLOR) (COLOR & 0xff)
|
|
|
|
typedef struct _TestState
|
|
{
|
|
ClutterGeometry stage_geom;
|
|
CoglHandle passthrough_material;
|
|
} TestState;
|
|
|
|
|
|
static void
|
|
check_pixel (GLubyte *pixel, guint32 color)
|
|
{
|
|
guint8 r = MASK_RED (color);
|
|
guint8 g = MASK_GREEN (color);
|
|
guint8 b = MASK_BLUE (color);
|
|
guint8 a = MASK_ALPHA (color);
|
|
|
|
if (g_test_verbose ())
|
|
g_print (" expected = %x, %x, %x, %x\n",
|
|
r, g, b, a);
|
|
/* FIXME - allow for hardware in-precision */
|
|
g_assert (pixel[RED] == r);
|
|
g_assert (pixel[GREEN] == g);
|
|
g_assert (pixel[BLUE] == b);
|
|
|
|
/* FIXME
|
|
* We ignore the alpha, since we don't know if our render target is
|
|
* RGB or RGBA */
|
|
/* g_assert (pixel[ALPHA] == a); */
|
|
}
|
|
|
|
static guchar *
|
|
gen_tex_data (guint32 color)
|
|
{
|
|
guchar *tex_data, *p;
|
|
guint8 r = MASK_RED (color);
|
|
guint8 g = MASK_GREEN (color);
|
|
guint8 b = MASK_BLUE (color);
|
|
guint8 a = MASK_ALPHA (color);
|
|
|
|
tex_data = g_malloc (QUAD_WIDTH * QUAD_WIDTH * 4);
|
|
|
|
for (p = tex_data + QUAD_WIDTH * QUAD_WIDTH * 4; p > tex_data;)
|
|
{
|
|
*(--p) = a;
|
|
*(--p) = b;
|
|
*(--p) = g;
|
|
*(--p) = r;
|
|
}
|
|
|
|
return tex_data;
|
|
}
|
|
|
|
static CoglHandle
|
|
make_texture (guint32 color,
|
|
CoglPixelFormat src_format,
|
|
CoglPixelFormat internal_format)
|
|
{
|
|
CoglHandle tex;
|
|
guchar *tex_data = gen_tex_data (color);
|
|
|
|
tex = cogl_texture_new_from_data (QUAD_WIDTH,
|
|
QUAD_WIDTH,
|
|
COGL_TEXTURE_NONE,
|
|
src_format,
|
|
internal_format,
|
|
QUAD_WIDTH * 4,
|
|
tex_data);
|
|
|
|
g_free (tex_data);
|
|
|
|
return tex;
|
|
}
|
|
|
|
static void
|
|
check_texture (TestState *state,
|
|
int x,
|
|
int y,
|
|
CoglHandle tex,
|
|
guint32 expected_result)
|
|
{
|
|
guchar pixel[4];
|
|
int y_off;
|
|
int x_off;
|
|
|
|
cogl_material_set_layer (state->passthrough_material, 0, tex);
|
|
|
|
cogl_set_source (state->passthrough_material);
|
|
cogl_rectangle (x * QUAD_WIDTH,
|
|
y * QUAD_WIDTH,
|
|
x * QUAD_WIDTH + QUAD_WIDTH,
|
|
y * QUAD_WIDTH + QUAD_WIDTH);
|
|
|
|
/* 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 ("check texture (%d, %d):\n", x, y);
|
|
g_print (" result = %02x, %02x, %02x, %02x\n",
|
|
pixel[RED], pixel[GREEN], pixel[BLUE], pixel[ALPHA]);
|
|
}
|
|
|
|
check_pixel (pixel, expected_result);
|
|
}
|
|
|
|
static void
|
|
on_paint (ClutterActor *actor, TestState *state)
|
|
{
|
|
CoglHandle tex;
|
|
guchar *tex_data;
|
|
|
|
/* If the user explicitly specifies an unmultiplied internal format then
|
|
* Cogl shouldn't automatically premultiply the given texture data... */
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xff00ff80, "
|
|
"src = RGBA_8888, internal = RGBA_8888)\n");
|
|
tex = make_texture (0xff00ff80,
|
|
COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
|
|
check_texture (state, 0, 0, /* position */
|
|
tex,
|
|
0xff00ff80); /* expected */
|
|
|
|
/* If the user explicitly requests a premultiplied internal format and
|
|
* gives unmultiplied src data then Cogl should always premultiply that
|
|
* for us */
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xff00ff80, "
|
|
"src = RGBA_8888, internal = RGBA_8888_PRE)\n");
|
|
tex = make_texture (0xff00ff80,
|
|
COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
|
|
check_texture (state, 1, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
/* If the user gives COGL_PIXEL_FORMAT_ANY for the internal format then
|
|
* by default Cogl should premultiply the given texture data...
|
|
* (In the future there will be additional Cogl API to control this
|
|
* behaviour) */
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xff00ff80, "
|
|
"src = RGBA_8888, internal = ANY)\n");
|
|
tex = make_texture (0xff00ff80,
|
|
COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
|
|
COGL_PIXEL_FORMAT_ANY); /* internal format */
|
|
check_texture (state, 2, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
/* If the user requests a premultiplied internal texture format and supplies
|
|
* premultiplied source data, Cogl should never modify that source data...
|
|
*/
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0x80008080, "
|
|
"src = RGBA_8888_PRE, "
|
|
"internal = RGBA_8888_PRE)\n");
|
|
tex = make_texture (0x80008080,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
|
|
check_texture (state, 3, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
/* If the user requests an unmultiplied internal texture format, but
|
|
* supplies premultiplied source data, then Cogl should always
|
|
* un-premultiply the source data... */
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0x80008080, "
|
|
"src = RGBA_8888_PRE, internal = RGBA_8888)\n");
|
|
tex = make_texture (0x80008080,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
|
|
check_texture (state, 4, 0, /* position */
|
|
tex,
|
|
0xff00ff80); /* expected */
|
|
|
|
/* If the user allows any internal texture format and provides premultipled
|
|
* source data then by default Cogl shouldn't modify the source data...
|
|
* (In the future there will be additional Cogl API to control this
|
|
* behaviour) */
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0x80008080, "
|
|
"src = RGBA_8888_PRE, internal = ANY)\n");
|
|
tex = make_texture (0x80008080,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
|
|
COGL_PIXEL_FORMAT_ANY); /* internal format */
|
|
check_texture (state, 5, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
/*
|
|
* Test cogl_texture_set_region() ....
|
|
*/
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xDEADBEEF, "
|
|
"src = RGBA_8888, internal = RGBA_8888)\n");
|
|
tex = make_texture (0xDEADBEEF,
|
|
COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
|
|
if (g_test_verbose ())
|
|
g_print ("set_region (0xff00ff80, RGBA_8888)\n");
|
|
tex_data = gen_tex_data (0xff00ff80);
|
|
cogl_texture_set_region (tex,
|
|
0, 0, /* src x, y */
|
|
0, 0, /* dst x, y */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
|
|
COGL_PIXEL_FORMAT_RGBA_8888,
|
|
0, /* auto compute row stride */
|
|
tex_data);
|
|
check_texture (state, 6, 0, /* position */
|
|
tex,
|
|
0xff00ff80); /* expected */
|
|
|
|
/* Updating a texture region for an unmultiplied texture using premultiplied
|
|
* region data should result in Cogl unmultiplying the given region data...
|
|
*/
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xDEADBEEF, "
|
|
"src = RGBA_8888, internal = RGBA_8888)\n");
|
|
tex = make_texture (0xDEADBEEF,
|
|
COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888); /* internal format */
|
|
if (g_test_verbose ())
|
|
g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
|
|
tex_data = gen_tex_data (0x80008080);
|
|
cogl_texture_set_region (tex,
|
|
0, 0, /* src x, y */
|
|
0, 0, /* dst x, y */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
|
|
0, /* auto compute row stride */
|
|
tex_data);
|
|
check_texture (state, 7, 0, /* position */
|
|
tex,
|
|
0xff00ff80); /* expected */
|
|
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xDEADBEEF, "
|
|
"src = RGBA_8888_PRE, "
|
|
"internal = RGBA_8888_PRE)\n");
|
|
tex = make_texture (0xDEADBEEF,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
|
|
if (g_test_verbose ())
|
|
g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
|
|
tex_data = gen_tex_data (0x80008080);
|
|
cogl_texture_set_region (tex,
|
|
0, 0, /* src x, y */
|
|
0, 0, /* dst x, y */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE,
|
|
0, /* auto compute row stride */
|
|
tex_data);
|
|
check_texture (state, 8, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
|
|
/* Updating a texture region for a premultiplied texture using unmultiplied
|
|
* region data should result in Cogl premultiplying the given region data...
|
|
*/
|
|
if (g_test_verbose ())
|
|
g_print ("make_texture (0xDEADBEEF, "
|
|
"src = RGBA_8888_PRE, "
|
|
"internal = RGBA_8888_PRE)\n");
|
|
tex = make_texture (0xDEADBEEF,
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE, /* src format */
|
|
COGL_PIXEL_FORMAT_RGBA_8888_PRE); /* internal format */
|
|
if (g_test_verbose ())
|
|
g_print ("set_region (0xff00ff80, RGBA_8888)\n");
|
|
tex_data = gen_tex_data (0xff00ff80);
|
|
cogl_texture_set_region (tex,
|
|
0, 0, /* src x, y */
|
|
0, 0, /* dst x, y */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* dst width, height */
|
|
QUAD_WIDTH, QUAD_WIDTH, /* src width, height */
|
|
COGL_PIXEL_FORMAT_RGBA_8888,
|
|
0, /* auto compute row stride */
|
|
tex_data);
|
|
check_texture (state, 9, 0, /* position */
|
|
tex,
|
|
0x80008080); /* 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_premult (TestConformSimpleFixture *fixture,
|
|
gconstpointer data)
|
|
{
|
|
TestState state;
|
|
ClutterActor *stage;
|
|
ClutterActor *group;
|
|
guint idle_source;
|
|
|
|
state.passthrough_material = cogl_material_new ();
|
|
cogl_material_set_blend (state.passthrough_material,
|
|
"RGBA = ADD (SRC_COLOR, 0)", NULL);
|
|
cogl_material_set_layer_combine (state.passthrough_material, 0,
|
|
"RGBA = REPLACE (TEXTURE)", NULL);
|
|
|
|
stage = clutter_stage_get_default ();
|
|
|
|
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);
|
|
|
|
if (g_test_verbose ())
|
|
g_print ("OK\n");
|
|
}
|
|
|