mirror of
https://github.com/brl/mutter.git
synced 2024-12-29 14:22:13 +00:00
5e117b3f5a
Some tests just test that deprecated API still work as they should. Those APIs are being removed, so prepare by removing their tests. https://gitlab.gnome.org/GNOME/mutter/merge_requests/935
283 lines
9.4 KiB
C
283 lines
9.4 KiB
C
#include <cogl/cogl.h>
|
|
|
|
#include <string.h>
|
|
|
|
#include "test-declarations.h"
|
|
#include "test-utils.h"
|
|
|
|
#define QUAD_WIDTH 32
|
|
|
|
#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 enum _MakeTextureFlags
|
|
{
|
|
TEXTURE_FLAG_SET_PREMULTIPLIED = 1,
|
|
TEXTURE_FLAG_SET_UNPREMULTIPLIED = 1<<1,
|
|
} MakeTextureFlags;
|
|
|
|
static guchar *
|
|
gen_tex_data (uint32_t color)
|
|
{
|
|
guchar *tex_data, *p;
|
|
uint8_t r = MASK_RED (color);
|
|
uint8_t g = MASK_GREEN (color);
|
|
uint8_t b = MASK_BLUE (color);
|
|
uint8_t 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 CoglTexture *
|
|
make_texture (uint32_t color,
|
|
CoglPixelFormat src_format,
|
|
MakeTextureFlags flags)
|
|
{
|
|
CoglTexture2D *tex_2d;
|
|
guchar *tex_data = gen_tex_data (color);
|
|
CoglBitmap *bmp = cogl_bitmap_new_for_data (test_ctx,
|
|
QUAD_WIDTH,
|
|
QUAD_WIDTH,
|
|
src_format,
|
|
QUAD_WIDTH * 4,
|
|
tex_data);
|
|
|
|
tex_2d = cogl_texture_2d_new_from_bitmap (bmp);
|
|
|
|
if (flags & TEXTURE_FLAG_SET_PREMULTIPLIED)
|
|
cogl_texture_set_premultiplied (tex_2d, TRUE);
|
|
else if (flags & TEXTURE_FLAG_SET_UNPREMULTIPLIED)
|
|
cogl_texture_set_premultiplied (tex_2d, FALSE);
|
|
|
|
cogl_object_unref (bmp);
|
|
g_free (tex_data);
|
|
|
|
return tex_2d;
|
|
}
|
|
|
|
static void
|
|
set_region (CoglTexture *tex,
|
|
uint32_t color,
|
|
CoglPixelFormat format)
|
|
{
|
|
guchar *tex_data = gen_tex_data (color);
|
|
|
|
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 */
|
|
format,
|
|
0, /* auto compute row stride */
|
|
tex_data);
|
|
}
|
|
|
|
static void
|
|
check_texture (CoglPipeline *pipeline,
|
|
int x,
|
|
int y,
|
|
CoglTexture *tex,
|
|
uint32_t expected_result)
|
|
{
|
|
/* New API */
|
|
cogl_pipeline_set_layer_texture (pipeline, 0, tex);
|
|
cogl_framebuffer_draw_rectangle (test_fb, pipeline,
|
|
x * QUAD_WIDTH,
|
|
y * QUAD_WIDTH,
|
|
x * QUAD_WIDTH + QUAD_WIDTH,
|
|
y * QUAD_WIDTH + QUAD_WIDTH);
|
|
test_utils_check_pixel (test_fb, x * QUAD_WIDTH + QUAD_WIDTH / 2, y * QUAD_WIDTH + QUAD_WIDTH / 2, expected_result);
|
|
}
|
|
|
|
void
|
|
test_premult (void)
|
|
{
|
|
CoglPipeline *pipeline;
|
|
CoglTexture *tex;
|
|
|
|
cogl_framebuffer_orthographic (test_fb, 0, 0,
|
|
cogl_framebuffer_get_width (test_fb),
|
|
cogl_framebuffer_get_height (test_fb),
|
|
-1,
|
|
100);
|
|
|
|
cogl_framebuffer_clear4f (test_fb,
|
|
COGL_BUFFER_BIT_COLOR,
|
|
1.0f, 1.0f, 1.0f, 1.0f);
|
|
|
|
/* New API */
|
|
pipeline = cogl_pipeline_new (test_ctx);
|
|
cogl_pipeline_set_blend (pipeline,
|
|
"RGBA = ADD (SRC_COLOR, 0)", NULL);
|
|
cogl_pipeline_set_layer_combine (pipeline, 0,
|
|
"RGBA = REPLACE (TEXTURE)", NULL);
|
|
|
|
/* If the user explicitly specifies an unmultiplied internal format then
|
|
* Cogl shouldn't automatically premultiply the given texture data... */
|
|
if (cogl_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 */
|
|
TEXTURE_FLAG_SET_UNPREMULTIPLIED);
|
|
check_texture (pipeline, 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 (cogl_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 */
|
|
TEXTURE_FLAG_SET_PREMULTIPLIED);
|
|
check_texture (pipeline, 1, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
/* If the user doesn't explicitly declare that the texture is premultiplied
|
|
* then Cogl should assume it is by default should premultiply
|
|
* unpremultiplied texture data...
|
|
*/
|
|
if (cogl_test_verbose ())
|
|
g_print ("make_texture (0xff00ff80, "
|
|
"src = RGBA_8888, internal = ANY)\n");
|
|
tex = make_texture (0xff00ff80,
|
|
COGL_PIXEL_FORMAT_RGBA_8888, /* src format */
|
|
0); /* default premultiplied status */
|
|
check_texture (pipeline, 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 (cogl_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 */
|
|
TEXTURE_FLAG_SET_PREMULTIPLIED);
|
|
check_texture (pipeline, 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 (cogl_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 */
|
|
TEXTURE_FLAG_SET_UNPREMULTIPLIED);
|
|
check_texture (pipeline, 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 (cogl_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 */
|
|
0); /* default premultiplied status */
|
|
check_texture (pipeline, 5, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
/*
|
|
* Test cogl_texture_set_region() ....
|
|
*/
|
|
|
|
if (cogl_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 */
|
|
TEXTURE_FLAG_SET_UNPREMULTIPLIED);
|
|
if (cogl_test_verbose ())
|
|
g_print ("set_region (0xff00ff80, RGBA_8888)\n");
|
|
set_region (tex, 0xff00ff80, COGL_PIXEL_FORMAT_RGBA_8888);
|
|
check_texture (pipeline, 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 (cogl_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 */
|
|
TEXTURE_FLAG_SET_UNPREMULTIPLIED);
|
|
if (cogl_test_verbose ())
|
|
g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
|
|
set_region (tex, 0x80008080, COGL_PIXEL_FORMAT_RGBA_8888_PRE);
|
|
check_texture (pipeline, 7, 0, /* position */
|
|
tex,
|
|
0xff00ff80); /* expected */
|
|
|
|
|
|
if (cogl_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 */
|
|
TEXTURE_FLAG_SET_PREMULTIPLIED);
|
|
if (cogl_test_verbose ())
|
|
g_print ("set_region (0x80008080, RGBA_8888_PRE)\n");
|
|
set_region (tex, 0x80008080, COGL_PIXEL_FORMAT_RGBA_8888_PRE);
|
|
check_texture (pipeline, 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 (cogl_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 */
|
|
TEXTURE_FLAG_SET_PREMULTIPLIED);
|
|
if (cogl_test_verbose ())
|
|
g_print ("set_region (0xff00ff80, RGBA_8888)\n");
|
|
set_region (tex, 0xff00ff80, COGL_PIXEL_FORMAT_RGBA_8888);
|
|
check_texture (pipeline, 9, 0, /* position */
|
|
tex,
|
|
0x80008080); /* expected */
|
|
|
|
|
|
if (cogl_test_verbose ())
|
|
g_print ("OK\n");
|
|
}
|
|
|