5d6cb00b1a
Add an output transform function that doesn't use matrices so we can test our matrix generation by applying it to vectors and comparing with the non-matrix variant. Signed-off-by: Derek Foreman <derek.foreman@collabora.com>
464 lines
14 KiB
C
464 lines
14 KiB
C
/*
|
|
* Copyright © 2022 Collabora, Ltd.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial
|
|
* portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <assert.h>
|
|
#include <math.h>
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <wayland-client.h>
|
|
#include "libweston-internal.h"
|
|
#include "libweston/matrix.h"
|
|
|
|
#include "weston-test-client-helper.h"
|
|
|
|
static void
|
|
transform_expect(struct weston_matrix *a, bool valid, enum wl_output_transform ewt)
|
|
{
|
|
enum wl_output_transform wt;
|
|
|
|
assert(weston_matrix_to_transform(a, &wt) == valid);
|
|
if (valid)
|
|
assert(wt == ewt);
|
|
}
|
|
|
|
TEST(transformation_matrix)
|
|
{
|
|
struct weston_matrix a, b;
|
|
int i;
|
|
|
|
weston_matrix_init(&a);
|
|
weston_matrix_init(&b);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == 0);
|
|
|
|
/* Make b a matrix that rotates a surface on the x,y plane by 90
|
|
* degrees counter-clockwise */
|
|
weston_matrix_rotate_xy(&b, 0, -1);
|
|
assert(b.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
for (i = 0; i < 10; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_90);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_180);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_270);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
}
|
|
|
|
weston_matrix_init(&b);
|
|
/* Make b a matrix that rotates a surface on the x,y plane by 45
|
|
* degrees counter-clockwise. This should alternate between a
|
|
* standard transform and a rotation that fails to match any
|
|
* known rotations. */
|
|
weston_matrix_rotate_xy(&b, cos(-M_PI / 4.0), sin(-M_PI / 4.0));
|
|
assert(b.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
for (i = 0; i < 10; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_90);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_180);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_270);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
assert(a.type == WESTON_MATRIX_TRANSFORM_ROTATE);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
}
|
|
|
|
weston_matrix_init(&b);
|
|
/* Make b a matrix that rotates a surface on the x,y plane by 45
|
|
* degrees counter-clockwise. This should alternate between a
|
|
* standard transform and a rotation that fails to match any known
|
|
* rotations. */
|
|
weston_matrix_rotate_xy(&b, cos(-M_PI / 4.0), sin(-M_PI / 4.0));
|
|
/* Flip a */
|
|
weston_matrix_scale(&a, -1.0, 1.0, 1.0);
|
|
for (i = 0; i < 10; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
/* Since we're not translated or scaled, any matrix that
|
|
* matches a standard wl_output_transform should not need
|
|
* filtering when used to transform images - but any
|
|
* matrix that fails to match will. */
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_90);
|
|
assert(!weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_180);
|
|
assert(!weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_270);
|
|
assert(!weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED);
|
|
assert(!weston_matrix_needs_filtering(&a));
|
|
}
|
|
|
|
weston_matrix_init(&a);
|
|
/* Flip a around Y*/
|
|
weston_matrix_scale(&a, 1.0, -1.0, 1.0);
|
|
for (i = 0; i < 100; i++) {
|
|
/* Throw some arbitrary translation in here to make sure it
|
|
* doesn't have any impact. */
|
|
weston_matrix_translate(&a, 31.0, -25.0, 0.0);
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_270);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_90);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_180);
|
|
}
|
|
|
|
/* Scale shouldn't matter, as long as it's positive */
|
|
weston_matrix_scale(&a, 4.0, 3.0, 1.0);
|
|
/* Invert b so it rotates the opposite direction, go back the other way. */
|
|
weston_matrix_invert(&b, &b);
|
|
for (i = 0; i < 100; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_90);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_270);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, false, 0);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_FLIPPED_180);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
}
|
|
|
|
/* Flipping Y should return us from here to normal */
|
|
weston_matrix_scale(&a, 1.0, -1.0, 1.0);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
|
|
weston_matrix_init(&a);
|
|
weston_matrix_init(&b);
|
|
weston_matrix_translate(&b, 0.5, -0.75, 0);
|
|
/* Crawl along with translations, 0.5 and .75 will both hit an integer multiple
|
|
* at the same time every 4th step, so assert that only the 4th steps don't need
|
|
* filtering */
|
|
for (i = 0; i < 100; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(!weston_matrix_needs_filtering(&a));
|
|
}
|
|
|
|
weston_matrix_init(&b);
|
|
weston_matrix_scale(&b, 1.5, 2.0, 1.0);
|
|
for (i = 0; i < 10; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
}
|
|
weston_matrix_invert(&b, &b);
|
|
for (i = 0; i < 9; i++) {
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(weston_matrix_needs_filtering(&a));
|
|
}
|
|
/* Last step should bring us back to a matrix that doesn't need
|
|
* a filter */
|
|
weston_matrix_multiply(&a, &b);
|
|
transform_expect(&a, true, WL_OUTPUT_TRANSFORM_NORMAL);
|
|
assert(!weston_matrix_needs_filtering(&a));
|
|
}
|
|
|
|
static void
|
|
simple_weston_surface_prepare(struct weston_surface *surf,
|
|
int buffer_width, int buffer_height,
|
|
int surface_width, int surface_height,
|
|
int scale, uint32_t transform,
|
|
int src_x, int src_y,
|
|
int src_width, int src_height)
|
|
{
|
|
struct weston_buffer_viewport vp = {
|
|
.buffer = {
|
|
.transform = transform,
|
|
.scale = scale,
|
|
.src_x = wl_fixed_from_int(src_x),
|
|
.src_y = wl_fixed_from_int(src_y),
|
|
.src_width = wl_fixed_from_int(src_width),
|
|
.src_height = wl_fixed_from_int(src_height),
|
|
},
|
|
.surface = {
|
|
.width = surface_width,
|
|
.height = surface_height,
|
|
},
|
|
};
|
|
surf->buffer_viewport = vp;
|
|
convert_size_by_transform_scale(&surf->width_from_buffer,
|
|
&surf->height_from_buffer,
|
|
buffer_width,
|
|
buffer_height,
|
|
transform,
|
|
scale);
|
|
weston_surface_build_buffer_matrix(surf,
|
|
&surf->surface_to_buffer_matrix);
|
|
weston_matrix_invert(&surf->buffer_to_surface_matrix,
|
|
&surf->surface_to_buffer_matrix);
|
|
}
|
|
|
|
static void
|
|
surface_test_all_transforms(struct weston_surface *surf,
|
|
int buffer_width, int buffer_height,
|
|
int surface_width, int surface_height,
|
|
int scale, int src_x, int src_y,
|
|
int src_width, int src_height)
|
|
{
|
|
int transform;
|
|
|
|
for (transform = WL_OUTPUT_TRANSFORM_NORMAL;
|
|
transform <= WL_OUTPUT_TRANSFORM_FLIPPED_270; transform++) {
|
|
simple_weston_surface_prepare(surf,
|
|
buffer_width, buffer_height,
|
|
surface_width, surface_height,
|
|
scale, transform,
|
|
src_x, src_y,
|
|
src_width, src_height);
|
|
transform_expect(&surf->surface_to_buffer_matrix,
|
|
true, transform);
|
|
}
|
|
}
|
|
|
|
TEST(surface_matrix_to_standard_transform)
|
|
{
|
|
struct weston_surface surf;
|
|
int scale;
|
|
|
|
for (scale = 1; scale < 8; scale++) {
|
|
/* A simple case */
|
|
surface_test_all_transforms(&surf, 500, 700, -1, -1, scale,
|
|
0, 0, 500, 700);
|
|
/* Translate the source corner */
|
|
surface_test_all_transforms(&surf, 500, 700, -1, -1, scale,
|
|
70, 20, 500, 700);
|
|
/* Get some scaling (and fractional translation) in there */
|
|
surface_test_all_transforms(&surf, 723, 300, 512, 77, scale,
|
|
120, 10, 200, 200);
|
|
}
|
|
}
|
|
|
|
static void
|
|
simple_weston_output_prepare(struct weston_output *output,
|
|
int x, int y, int width, int height,
|
|
int scale, uint32_t transform)
|
|
{
|
|
output->x = x;
|
|
output->y = y;
|
|
output->width = width;
|
|
output->height = height;
|
|
output->current_scale = scale;
|
|
output->transform = transform;
|
|
weston_output_update_matrix(output);
|
|
}
|
|
|
|
static struct weston_vector
|
|
simple_transform_vector(struct weston_output *output, struct weston_vector in)
|
|
{
|
|
struct weston_vector out = in;
|
|
int scale = output->current_scale;
|
|
|
|
switch (output->transform) {
|
|
case WL_OUTPUT_TRANSFORM_NORMAL:
|
|
out.f[0] = (-output->x + in.f[0]) * scale;
|
|
out.f[1] = (-output->y + in.f[1]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED:
|
|
out.f[0] = (output->x + output->width - in.f[0]) * scale;
|
|
out.f[1] = (-output->y + in.f[1]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_90:
|
|
out.f[0] = (-output->y + in.f[1]) * scale;
|
|
out.f[1] = (output->x + output->width - in.f[0]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_90:
|
|
out.f[0] = (-output->y + in.f[1]) * scale;
|
|
out.f[1] = (-output->x + in.f[0]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_180:
|
|
out.f[0] = (output->x + output->width - in.f[0]) * scale;
|
|
out.f[1] = (output->y + output->height - in.f[1]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_180:
|
|
out.f[0] = (-output->x + in.f[0]) * scale;
|
|
out.f[1] = (output->y + output->height - in.f[1]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_270:
|
|
out.f[0] = (output->y + output->height - in.f[1]) * scale;
|
|
out.f[1] = (-output->x + in.f[0]) * scale;
|
|
break;
|
|
case WL_OUTPUT_TRANSFORM_FLIPPED_270:
|
|
out.f[0] = (output->y + output->height - in.f[1]) * scale;
|
|
out.f[1] = (output->x + output->width - in.f[0]) * scale;
|
|
break;
|
|
}
|
|
out.f[2] = 0;
|
|
out.f[3] = 1;
|
|
|
|
return out;
|
|
}
|
|
|
|
static void
|
|
output_test_all_transforms(struct weston_output *output,
|
|
int x, int y, int width, int height, int scale)
|
|
{
|
|
int i;
|
|
int transform;
|
|
struct weston_vector t = { { 7.0, 13.0, 0.0, 1.0 } };
|
|
struct weston_vector v, sv;
|
|
|
|
for (transform = WL_OUTPUT_TRANSFORM_NORMAL;
|
|
transform <= WL_OUTPUT_TRANSFORM_FLIPPED_270; transform++) {
|
|
simple_weston_output_prepare(output, x, y, width, height,
|
|
scale, transform);
|
|
/* The inverse matrix takes us from output to global space,
|
|
* which makes it the one that will have the expected
|
|
* standard transform.
|
|
*/
|
|
transform_expect(&output->matrix, true, transform);
|
|
|
|
v = t;
|
|
weston_matrix_transform(&output->matrix, &v);
|
|
sv = simple_transform_vector(output, t);
|
|
for (i = 0; i < 4; i++)
|
|
assert (sv.f[i] == v.f[i]);
|
|
}
|
|
}
|
|
|
|
TEST(output_matrix_to_standard_transform)
|
|
{
|
|
struct weston_output output;
|
|
int scale;
|
|
|
|
/* Just a few arbitrary sizes and positions to make sure we have
|
|
* scales and translations.
|
|
*/
|
|
for (scale = 1; scale < 8; scale++) {
|
|
output_test_all_transforms(&output, 0, 0, 1024, 768, scale);
|
|
output_test_all_transforms(&output, 1000, 1000, 1024, 768, scale);
|
|
output_test_all_transforms(&output, 1024, 768, 1920, 1080, scale);
|
|
}
|
|
}
|