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test/source/blender/blenkernel/intern/image_partial_update_test.cc
Campbell Barton e955c94ed3 License Headers: Set copyright to "Blender Authors", add AUTHORS 
Listing the "Blender Foundation" as copyright holder implied the Blender
Foundation holds copyright to files which may include work from many
developers.

While keeping copyright on headers makes sense for isolated libraries,
Blender's own code may be refactored or moved between files in a way
that makes the per file copyright holders less meaningful.

Copyright references to the "Blender Foundation" have been replaced with
"Blender Authors", with the exception of `./extern/` since these this
contains libraries which are more isolated, any changed to license
headers there can be handled on a case-by-case basis.

Some directories in `./intern/` have also been excluded:

- `./intern/cycles/` it's own `AUTHORS` file is planned.
- `./intern/opensubdiv/`.

An "AUTHORS" file has been added, using the chromium projects authors
file as a template.

Design task: #110784

Ref !110783.
2023-08-16 00:20:26 +10:00

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/* SPDX-FileCopyrightText: 2020 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "testing/testing.h"
#include "CLG_log.h"
#include "BKE_appdir.h"
#include "BKE_global.h"
#include "BKE_idtype.h"
#include "BKE_image.h"
#include "BKE_image_partial_update.hh"
#include "BKE_main.h"
#include "IMB_imbuf.h"
#include "IMB_moviecache.h"
#include "DNA_image_types.h"
#include "MEM_guardedalloc.h"
namespace blender::bke::image::partial_update {
constexpr float black_color[4] = {0.0f, 0.0f, 0.0f, 1.0f};
class ImagePartialUpdateTest : public testing::Test {
protected:
Main *bmain;
Main *prev_bmain;
Image *image;
ImageTile *image_tile;
ImageUser image_user = {nullptr};
ImBuf *image_buffer;
PartialUpdateUser *partial_update_user;
private:
Image *create_test_image(int width, int height)
{
return BKE_image_add_generated(bmain,
width,
height,
"Test Image",
32,
true,
IMA_GENTYPE_BLANK,
black_color,
false,
false,
false);
}
protected:
void SetUp() override
{
CLG_init();
BKE_idtype_init();
BKE_appdir_init();
IMB_init();
bmain = BKE_main_new();
/* Required by usage of #ID_BLEND_PATH_FROM_GLOBAL in #add_ibuf_for_tile. */
prev_bmain = G_MAIN;
G_MAIN = bmain;
/* Creating an image generates a memory-leak during tests. */
image = create_test_image(1024, 1024);
image_tile = BKE_image_get_tile(image, 0);
image_buffer = BKE_image_acquire_ibuf(image, nullptr, nullptr);
partial_update_user = BKE_image_partial_update_create(image);
}
void TearDown() override
{
BKE_image_release_ibuf(image, image_buffer, nullptr);
BKE_image_partial_update_free(partial_update_user);
/* Restore original main in G_MAIN. */
G_MAIN = prev_bmain;
BKE_main_free(bmain);
IMB_moviecache_destruct();
IMB_exit();
BKE_appdir_exit();
CLG_exit();
}
};
TEST_F(ImagePartialUpdateTest, mark_full_update)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Mark full update */
BKE_image_partial_update_mark_full_update(image);
/* Validate need full update followed by no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
}
TEST_F(ImagePartialUpdateTest, mark_single_tile)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Mark region. */
rcti region;
BLI_rcti_init(&region, 10, 20, 40, 50);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
/* Partial Update should be available. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
/* Check tiles. */
PartialUpdateRegion changed_region;
ePartialUpdateIterResult iter_result;
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::ChangeAvailable);
EXPECT_EQ(BLI_rcti_inside_rcti(&changed_region.region, &region), true);
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::Finished);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
}
TEST_F(ImagePartialUpdateTest, mark_unconnected_tiles)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Mark region. */
rcti region_a;
BLI_rcti_init(&region_a, 10, 20, 40, 50);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region_a);
rcti region_b;
BLI_rcti_init(&region_b, 710, 720, 740, 750);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region_b);
/* Partial Update should be available. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
/* Check tiles. */
PartialUpdateRegion changed_region;
ePartialUpdateIterResult iter_result;
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::ChangeAvailable);
EXPECT_EQ(BLI_rcti_inside_rcti(&changed_region.region, &region_b), true);
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::ChangeAvailable);
EXPECT_EQ(BLI_rcti_inside_rcti(&changed_region.region, &region_a), true);
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::Finished);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
}
TEST_F(ImagePartialUpdateTest, donot_mark_outside_image)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Mark region. */
rcti region;
/* Axis. */
BLI_rcti_init(&region, -100, 0, 50, 100);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 1024, 1100, 50, 100);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 50, 100, -100, 0);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 50, 100, 1024, 1100);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Diagonals. */
BLI_rcti_init(&region, -100, 0, -100, 0);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, -100, 0, 1024, 1100);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 1024, 1100, -100, 0);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 1024, 1100, 1024, 1100);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
}
TEST_F(ImagePartialUpdateTest, mark_inside_image)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Mark region. */
rcti region;
BLI_rcti_init(&region, 0, 1, 0, 1);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 1023, 1024, 0, 1);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 1023, 1024, 1023, 1024);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
BLI_rcti_init(&region, 1023, 1024, 0, 1);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
}
TEST_F(ImagePartialUpdateTest, sequential_mark_region)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
{
/* Mark region. */
rcti region;
BLI_rcti_init(&region, 10, 20, 40, 50);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
/* Partial Update should be available. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
/* Check tiles. */
PartialUpdateRegion changed_region;
ePartialUpdateIterResult iter_result;
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::ChangeAvailable);
EXPECT_EQ(BLI_rcti_inside_rcti(&changed_region.region, &region), true);
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::Finished);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
}
{
/* Mark different region. */
rcti region;
BLI_rcti_init(&region, 710, 720, 740, 750);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
/* Partial Update should be available. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
/* Check tiles. */
PartialUpdateRegion changed_region;
ePartialUpdateIterResult iter_result;
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::ChangeAvailable);
EXPECT_EQ(BLI_rcti_inside_rcti(&changed_region.region, &region), true);
iter_result = BKE_image_partial_update_get_next_change(partial_update_user, &changed_region);
EXPECT_EQ(iter_result, ePartialUpdateIterResult::Finished);
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
}
}
TEST_F(ImagePartialUpdateTest, mark_multiple_chunks)
{
ePartialUpdateCollectResult result;
/* First tile should always return a full update. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::NoChangesDetected);
/* Mark region. */
rcti region;
BLI_rcti_init(&region, 300, 700, 300, 700);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
/* Partial Update should be available. */
result = BKE_image_partial_update_collect_changes(image, partial_update_user);
EXPECT_EQ(result, ePartialUpdateCollectResult::PartialChangesDetected);
/* Check tiles. */
PartialUpdateRegion changed_region;
int num_chunks_found = 0;
while (BKE_image_partial_update_get_next_change(partial_update_user, &changed_region) ==
ePartialUpdateIterResult::ChangeAvailable)
{
BLI_rcti_isect(&changed_region.region, &region, nullptr);
num_chunks_found++;
}
EXPECT_EQ(num_chunks_found, 4);
}
TEST_F(ImagePartialUpdateTest, iterator)
{
PartialUpdateChecker<NoTileData> checker(image, &image_user, partial_update_user);
/* First tile should always return a full update. */
PartialUpdateChecker<NoTileData>::CollectResult changes = checker.collect_changes();
EXPECT_EQ(changes.get_result_code(), ePartialUpdateCollectResult::FullUpdateNeeded);
/* Second invoke should now detect no changes. */
changes = checker.collect_changes();
EXPECT_EQ(changes.get_result_code(), ePartialUpdateCollectResult::NoChangesDetected);
/* Mark region. */
rcti region;
BLI_rcti_init(&region, 300, 700, 300, 700);
BKE_image_partial_update_mark_region(image, image_tile, image_buffer, &region);
/* Partial Update should be available. */
changes = checker.collect_changes();
EXPECT_EQ(changes.get_result_code(), ePartialUpdateCollectResult::PartialChangesDetected);
/* Check tiles. */
int num_tiles_found = 0;
while (changes.get_next_change() == ePartialUpdateIterResult::ChangeAvailable) {
BLI_rcti_isect(&changes.changed_region.region, &region, nullptr);
num_tiles_found++;
}
EXPECT_EQ(num_tiles_found, 4);
}
} // namespace blender::bke::image::partial_update
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