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Add Chromium-only Blender WebEngine parity work

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mes123456
2026-08-12 04:47:48 -04:00
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162
blender-5.2.0/source/blender/io/alembic/tests/abc_export_test.cc Normal file
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/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "testing/testing.h"
/* Keep first since `BLI_utildefines.h` defines `AT` which conflicts with STL. */
#include "exporter/abc_archive.h"
#include "BKE_main.hh"
#include "BLI_fileops.h"
#include "BLI_string.h"
#include "DNA_scene_types.h"
#include "DEG_depsgraph.hh"
namespace blender::io::alembic {
class AlembicExportTest : public testing::Test {
protected:
ABCArchive *abc_archive;
AlembicExportParams params;
Scene scene;
Depsgraph *depsgraph;
Main *bmain;
void SetUp() override
{
abc_archive = nullptr;
/* Fake a 25 FPS scene with a nonzero base (because that's sometimes forgotten) */
scene.r.frs_sec = 50;
scene.r.frs_sec_base = 2;
STRNCPY(scene.id.name, "SCTestScene");
bmain = BKE_main_new();
DEG_register_node_types();
/* TODO(sergey): Pass scene layer somehow? */
ViewLayer *view_layer = (ViewLayer *)scene.view_layers.first;
depsgraph = DEG_graph_new(bmain, &scene, view_layer, DAG_EVAL_RENDER);
}
void TearDown() override
{
BKE_main_free(bmain);
DEG_graph_free(depsgraph);
DEG_free_node_types();
deleteArchive();
}
/* Call after setting up the parameters. */
void createArchive()
{
if (abc_archive != nullptr) {
deleteArchive();
}
abc_archive = new ABCArchive(bmain, &scene, params, "somefile.abc");
}
void deleteArchive()
{
delete abc_archive;
if (BLI_exists("somefile.abc")) {
BLI_delete("somefile.abc", false, false);
}
abc_archive = nullptr;
}
};
TEST_F(AlembicExportTest, TimeSamplesFullShutterUniform)
{
/* Test 5 samples per frame, for 2 frames. */
params.shutter_open = 0.0;
params.shutter_close = 1.0;
params.frame_start = 31.0;
params.frame_end = 32.0;
params.frame_samples_xform = params.frame_samples_shape = 5;
createArchive();
std::vector<double> frames(abc_archive->frames_begin(), abc_archive->frames_end());
EXPECT_EQ(10, frames.size());
EXPECT_NEAR(31.0, frames[0], 1e-5);
EXPECT_NEAR(31.2, frames[1], 1e-5);
EXPECT_NEAR(31.4, frames[2], 1e-5);
EXPECT_NEAR(31.6, frames[3], 1e-5);
EXPECT_NEAR(31.8, frames[4], 1e-5);
EXPECT_NEAR(32.0, frames[5], 1e-5);
EXPECT_NEAR(32.2, frames[6], 1e-5);
EXPECT_NEAR(32.4, frames[7], 1e-5);
EXPECT_NEAR(32.6, frames[8], 1e-5);
EXPECT_NEAR(32.8, frames[9], 1e-5);
for (double frame : frames) {
EXPECT_TRUE(abc_archive->is_xform_frame(frame));
EXPECT_TRUE(abc_archive->is_shape_frame(frame));
}
}
TEST_F(AlembicExportTest, TimeSamplesFullShutterDifferent)
{
/* Test 3 samples per frame for transforms, and 2 per frame for shapes, for 2 frames. */
params.shutter_open = 0.0;
params.shutter_close = 1.0;
params.frame_start = 31.0;
params.frame_end = 32.0;
params.frame_samples_xform = 3;
params.frame_samples_shape = 2;
createArchive();
std::vector<double> frames(abc_archive->frames_begin(), abc_archive->frames_end());
EXPECT_EQ(8, frames.size());
EXPECT_NEAR(31.0, frames[0], 1e-5); /* transform + shape */
EXPECT_TRUE(abc_archive->is_xform_frame(frames[0]));
EXPECT_TRUE(abc_archive->is_shape_frame(frames[0]));
EXPECT_NEAR(31.33333, frames[1], 1e-5); /* transform */
EXPECT_TRUE(abc_archive->is_xform_frame(frames[1]));
EXPECT_FALSE(abc_archive->is_shape_frame(frames[1]));
EXPECT_NEAR(31.5, frames[2], 1e-5); /* shape */
EXPECT_FALSE(abc_archive->is_xform_frame(frames[2]));
EXPECT_TRUE(abc_archive->is_shape_frame(frames[2]));
EXPECT_NEAR(31.66666, frames[3], 1e-5); /* transform */
EXPECT_TRUE(abc_archive->is_xform_frame(frames[3]));
EXPECT_FALSE(abc_archive->is_shape_frame(frames[3]));
EXPECT_NEAR(32.0, frames[4], 1e-5); /* transform + shape */
EXPECT_TRUE(abc_archive->is_xform_frame(frames[4]));
EXPECT_TRUE(abc_archive->is_shape_frame(frames[4]));
EXPECT_NEAR(32.33333, frames[5], 1e-5); /* transform */
EXPECT_TRUE(abc_archive->is_xform_frame(frames[5]));
EXPECT_FALSE(abc_archive->is_shape_frame(frames[5]));
EXPECT_NEAR(32.5, frames[6], 1e-5); /* shape */
EXPECT_FALSE(abc_archive->is_xform_frame(frames[6]));
EXPECT_TRUE(abc_archive->is_shape_frame(frames[6]));
EXPECT_NEAR(32.66666, frames[7], 1e-5); /* transform */
EXPECT_TRUE(abc_archive->is_xform_frame(frames[7]));
EXPECT_FALSE(abc_archive->is_shape_frame(frames[7]));
}
TEST_F(AlembicExportTest, TimeSamples180degShutter)
{
/* Test 5 samples per frame, for 2 frames. */
params.shutter_open = -0.25;
params.shutter_close = 0.25;
params.frame_start = 31.0;
params.frame_end = 32.0;
params.frame_samples_xform = params.frame_samples_shape = 5;
createArchive();
std::vector<double> frames(abc_archive->frames_begin(), abc_archive->frames_end());
EXPECT_EQ(10, frames.size());
EXPECT_NEAR(31 - 0.25, frames[0], 1e-5);
EXPECT_NEAR(31 - 0.15, frames[1], 1e-5);
EXPECT_NEAR(31 - 0.05, frames[2], 1e-5);
EXPECT_NEAR(31 + 0.05, frames[3], 1e-5);
EXPECT_NEAR(31 + 0.15, frames[4], 1e-5);
EXPECT_NEAR(32 - 0.25, frames[5], 1e-5);
EXPECT_NEAR(32 - 0.15, frames[6], 1e-5);
EXPECT_NEAR(32 - 0.05, frames[7], 1e-5);
EXPECT_NEAR(32 + 0.05, frames[8], 1e-5);
EXPECT_NEAR(32 + 0.15, frames[9], 1e-5);
}
} // namespace blender::io::alembic

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blender-5.2.0/source/blender/io/alembic/tests/abc_matrix_test.cc Normal file
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/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
#include "testing/testing.h"
/* Keep first since `BLI_utildefines.h` defines `AT` which conflicts with STL. */
#include "intern/abc_axis_conversion.h"
#include "BLI_math_base.h"
#include "BLI_math_matrix.h"
namespace blender::io::alembic {
TEST(abc_matrix, CreateRotationMatrixY_YfromZ)
{
/* Input variables */
float rot_x_mat[3][3];
float rot_y_mat[3][3];
float rot_z_mat[3][3];
float euler[3] = {0.0f, M_PI_4, 0.0f};
/* Construct expected matrices */
float unit[3][3];
float rot_z_min_quart_pi[3][3]; /* rotation of -pi/4 radians over z-axis */
unit_m3(unit);
unit_m3(rot_z_min_quart_pi);
rot_z_min_quart_pi[0][0] = M_SQRT1_2;
rot_z_min_quart_pi[0][1] = -M_SQRT1_2;
rot_z_min_quart_pi[1][0] = M_SQRT1_2;
rot_z_min_quart_pi[1][1] = M_SQRT1_2;
/* Run tests */
create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, ABC_YUP_FROM_ZUP);
EXPECT_M3_NEAR(rot_x_mat, unit, 1e-5f);
EXPECT_M3_NEAR(rot_y_mat, unit, 1e-5f);
EXPECT_M3_NEAR(rot_z_mat, rot_z_min_quart_pi, 1e-5f);
}
TEST(abc_matrix, CreateRotationMatrixZ_YfromZ)
{
/* Input variables */
float rot_x_mat[3][3];
float rot_y_mat[3][3];
float rot_z_mat[3][3];
float euler[3] = {0.0f, 0.0f, M_PI_4};
/* Construct expected matrices */
float unit[3][3];
float rot_y_quart_pi[3][3]; /* rotation of pi/4 radians over y-axis */
unit_m3(unit);
unit_m3(rot_y_quart_pi);
rot_y_quart_pi[0][0] = M_SQRT1_2;
rot_y_quart_pi[0][2] = -M_SQRT1_2;
rot_y_quart_pi[2][0] = M_SQRT1_2;
rot_y_quart_pi[2][2] = M_SQRT1_2;
/* Run tests */
create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, ABC_YUP_FROM_ZUP);
EXPECT_M3_NEAR(rot_x_mat, unit, 1e-5f);
EXPECT_M3_NEAR(rot_y_mat, rot_y_quart_pi, 1e-5f);
EXPECT_M3_NEAR(rot_z_mat, unit, 1e-5f);
}
TEST(abc_matrix, CreateRotationMatrixXYZ_YfromZ)
{
/* Input variables */
float rot_x_mat[3][3];
float rot_y_mat[3][3];
float rot_z_mat[3][3];
/* in degrees: X=10, Y=20, Z=30 */
float euler[3] = {0.17453292012214f, 0.34906581044197f, 0.52359879016876f};
/* Construct expected matrices */
float rot_x_p10[3][3]; /* rotation of +10 degrees over x-axis */
float rot_y_p30[3][3]; /* rotation of +30 degrees over y-axis */
float rot_z_m20[3][3]; /* rotation of -20 degrees over z-axis */
unit_m3(rot_x_p10);
rot_x_p10[1][1] = 0.9848077297210693f;
rot_x_p10[1][2] = 0.1736481785774231f;
rot_x_p10[2][1] = -0.1736481785774231f;
rot_x_p10[2][2] = 0.9848077297210693f;
unit_m3(rot_y_p30);
rot_y_p30[0][0] = 0.8660253882408142f;
rot_y_p30[0][2] = -0.5f;
rot_y_p30[2][0] = 0.5f;
rot_y_p30[2][2] = 0.8660253882408142f;
unit_m3(rot_z_m20);
rot_z_m20[0][0] = 0.9396926164627075f;
rot_z_m20[0][1] = -0.3420201241970062f;
rot_z_m20[1][0] = 0.3420201241970062f;
rot_z_m20[1][1] = 0.9396926164627075f;
/* Run tests */
create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, ABC_YUP_FROM_ZUP);
EXPECT_M3_NEAR(rot_x_mat, rot_x_p10, 1e-5f);
EXPECT_M3_NEAR(rot_y_mat, rot_y_p30, 1e-5f);
EXPECT_M3_NEAR(rot_z_mat, rot_z_m20, 1e-5f);
}
TEST(abc_matrix, CreateRotationMatrixXYZ_ZfromY)
{
/* Input variables */
float rot_x_mat[3][3];
float rot_y_mat[3][3];
float rot_z_mat[3][3];
/* in degrees: X=10, Y=20, Z=30 */
float euler[3] = {0.1745329201221466f, 0.3490658104419708f, 0.5235987901687622f};
/* Construct expected matrices */
float rot_x_p10[3][3]; /* rotation of +10 degrees over x-axis */
float rot_y_m30[3][3]; /* rotation of -30 degrees over y-axis */
float rot_z_p20[3][3]; /* rotation of +20 degrees over z-axis */
unit_m3(rot_x_p10);
rot_x_p10[1][1] = 0.9848077297210693f;
rot_x_p10[1][2] = 0.1736481785774231f;
rot_x_p10[2][1] = -0.1736481785774231f;
rot_x_p10[2][2] = 0.9848077297210693f;
unit_m3(rot_y_m30);
rot_y_m30[0][0] = 0.8660253882408142f;
rot_y_m30[0][2] = 0.5f;
rot_y_m30[2][0] = -0.5f;
rot_y_m30[2][2] = 0.8660253882408142f;
unit_m3(rot_z_p20);
rot_z_p20[0][0] = 0.9396926164627075f;
rot_z_p20[0][1] = 0.3420201241970062f;
rot_z_p20[1][0] = -0.3420201241970062f;
rot_z_p20[1][1] = 0.9396926164627075f;
/* Run tests */
create_swapped_rotation_matrix(rot_x_mat, rot_y_mat, rot_z_mat, euler, ABC_ZUP_FROM_YUP);
EXPECT_M3_NEAR(rot_x_mat, rot_x_p10, 1e-5f);
EXPECT_M3_NEAR(rot_y_mat, rot_y_m30, 1e-5f);
EXPECT_M3_NEAR(rot_z_mat, rot_z_p20, 1e-5f);
}
TEST(abc_matrix, CopyM44AxisSwap_YfromZ)
{
float result[4][4];
/* Construct an input matrix that performs a rotation like the tests
* above. This matrix was created by rotating a cube in Blender over
* (X=10, Y=20, Z=30 degrees in XYZ order) and translating over (1, 2, 3) */
float input[4][4] = {
{0.81379765272f, 0.4698463380336f, -0.342020124197f, 0.0f},
{-0.44096961617f, 0.8825641274452f, 0.163175910711f, 0.0f},
{0.37852230668f, 0.0180283170193f, 0.925416588783f, 0.0f},
{1.0f, 2.0f, 3.0f, 1.0f},
};
copy_m44_axis_swap(result, input, ABC_YUP_FROM_ZUP);
/* Check the resulting rotation & translation. */
const float trans[4] = {1.0f, 3.0f, -2.0f, 1.0f};
EXPECT_V4_NEAR(trans, result[3], 1e-5f);
/* This matrix was created by rotating a cube in Blender over
* (X=10, Y=30, Z=-20 degrees in XZY order) and translating over (1, 3, -2) */
const float expect[4][4] = {
{0.813797652721f, -0.342020124197f, -0.469846338033f, 0.0f},
{0.378522306680f, 0.925416588783f, -0.018028317019f, 0.0f},
{0.440969616174f, -0.163175910711f, 0.882564127445f, 0.0f},
{1.0f, 3.0f, -2.0f, 1.0f},
};
EXPECT_M4_NEAR(expect, result, 1e-5f);
}
TEST(abc_matrix, CopyM44AxisSwapWithScale_YfromZ)
{
float result[4][4];
/* Construct an input matrix that performs a rotation like the tests
* above. This matrix was created by rotating a cube in Blender over
* (X=10, Y=20, Z=30 degrees in XYZ order), translating over (1, 2, 3),
* and scaling by (4, 5, 6). */
float input[4][4] = {
{3.25519061088f, 1.8793853521347f, -1.368080496788f, 0.0f},
{-2.20484805107f, 4.4128208160400f, 0.815879583358f, 0.0f},
{2.27113389968f, 0.1081698983907f, 5.552499771118f, 0.0f},
{1.0f, 2.0f, 3.0f, 1.0f},
};
copy_m44_axis_swap(result, input, ABC_YUP_FROM_ZUP);
/* This matrix was created by rotating a cube in Blender over
* (X=10, Y=30, Z=-20 degrees in XZY order), translating over (1, 3, -2)
* and scaling over (4, 6, 5). */
const float expect[4][4] = {
{3.255190610885f, -1.368080496788f, -1.879385352134f, 0.0f},
{2.271133899688f, 5.552499771118f, -0.108169898390f, 0.0f},
{2.204848051071f, -0.815879583358f, 4.412820816040f, 0.0f},
{1.0f, 3.0f, -2.0f, 1.0f},
};
EXPECT_M4_NEAR(expect, result, 1e-5f);
}
TEST(abc_matrix, CopyM44AxisSwap_ZfromY)
{
float result[4][4];
/* This matrix was created by rotating a cube in Blender over
* (X=10, Y=30, Z=-20 degrees in XZY order) and translating over (1, 3, -2) */
float input[4][4] = {
{0.813797652721f, -0.342020124197f, -0.469846338033f, 0.0f},
{0.378522306680f, 0.925416588783f, -0.018028317019f, 0.0f},
{0.440969616174f, -0.163175910711f, 0.882564127445f, 0.0f},
{1.0f, 3.0f, -2.0f, 1.0f},
};
copy_m44_axis_swap(result, input, ABC_ZUP_FROM_YUP);
/* This matrix was created by rotating a cube in Blender over
* (X=10, Y=20, Z=30 degrees in XYZ order) and translating over (1, 2, 3) */
const float expect[4][4] = {
{0.813797652721f, 0.469846338033f, -0.342020124197f, 0.0f},
{-0.44096961617f, 0.882564127445f, 0.163175910711f, 0.0f},
{0.378522306680f, 0.018028317019f, 0.925416588783f, 0.0f},
{1.0f, 2.0f, 3.0f, 1.0f},
};
EXPECT_M4_NEAR(expect, result, 1e-5f);
}
TEST(abc_matrix, CopyM44AxisSwapWithScale_ZfromY)
{
float result[4][4];
/* This matrix was created by rotating a cube in Blender over
* (X=10, Y=30, Z=-20 degrees in XZY order), translating over (1, 3, -2)
* and scaling over (4, 6, 5). */
float input[4][4] = {
{3.2551906108f, -1.36808049678f, -1.879385352134f, 0.0f},
{2.2711338996f, 5.55249977111f, -0.108169898390f, 0.0f},
{2.2048480510f, -0.81587958335f, 4.412820816040f, 0.0f},
{1.0f, 3.0f, -2.0f, 1.0f},
};
copy_m44_axis_swap(result, input, ABC_ZUP_FROM_YUP);
/* This matrix was created by rotating a cube in Blender over
* (X=10, Y=20, Z=30 degrees in XYZ order), translating over (1, 2, 3),
* and scaling by (4, 5, 6). */
const float expect[4][4] = {
{3.25519061088f, 1.879385352134f, -1.36808049678f, 0.0f},
{-2.2048480510f, 4.412820816040f, 0.81587958335f, 0.0f},
{2.27113389968f, 0.108169898390f, 5.55249977111f, 0.0f},
{1.0f, 2.0f, 3.0f, 1.0f},
};
EXPECT_M4_NEAR(expect, result, 1e-5f);
}
TEST(abc_matrix, CopyM44AxisSwapWithScale_gimbal_ZfromY)
{
float result[4][4];
/* This matrix represents a rotation over (-90, -0, -0) degrees,
* and a translation over (-0, -0.1, -0). It is in Y=up. */
float input[4][4] = {
{1.000f, 0.000f, 0.000f, 0.000f},
{0.000f, 0.000f, -1.000f, 0.000f},
{0.000f, 1.000f, 0.000f, 0.000f},
{-0.000f, -0.100f, -0.000f, 1.000f},
};
copy_m44_axis_swap(result, input, ABC_ZUP_FROM_YUP);
/* Since the rotation is only over the X-axis, it should not change.
* The translation does change. */
const float expect[4][4] = {
{1.000f, 0.000f, 0.000f, 0.000f},
{0.000f, 0.000f, -1.000f, 0.000f},
{0.000f, 1.000f, 0.000f, 0.000f},
{-0.000f, 0.000f, -0.100f, 1.000f},
};
EXPECT_M4_NEAR(expect, result, 1e-5f);
}
} // namespace blender::io::alembic