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323 lines (264 loc) · 7.89 KB
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// Unit tests for FlatInput.
#include <epoxy/gl.h>
#include <stddef.h>
#include "effect_chain.h"
#include "flat_input.h"
#include "gtest/gtest.h"
#include "resource_pool.h"
#include "test_util.h"
#include "util.h"
namespace movit {
TEST(FlatInput, SimpleGrayscale) {
const int size = 4;
float data[size] = {
0.0,
0.5,
0.7,
1.0,
};
float expected_data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.5, 0.5, 0.5, 1.0,
0.7, 0.7, 0.7, 1.0,
1.0, 1.0, 1.0, 1.0,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
TEST(FlatInput, RGB) {
const int size = 5;
float data[3 * size] = {
0.0, 0.0, 0.0,
0.5, 0.0, 0.0,
0.0, 0.5, 0.0,
0.0, 0.0, 0.7,
0.0, 0.3, 0.7,
};
float expected_data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.5, 0.0, 0.0, 1.0,
0.0, 0.5, 0.0, 1.0,
0.0, 0.0, 0.7, 1.0,
0.0, 0.3, 0.7, 1.0,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_RGB, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
TEST(FlatInput, RGBA) {
const int size = 5;
float data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.5, 0.0, 0.0, 0.3,
0.0, 0.5, 0.0, 0.7,
0.0, 0.0, 0.7, 1.0,
0.0, 0.3, 0.7, 0.2,
};
float expected_data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.5, 0.0, 0.0, 0.3,
0.0, 0.5, 0.0, 0.7,
0.0, 0.0, 0.7, 1.0,
0.0, 0.3, 0.7, 0.2,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
// Note: The sRGB conversion itself is tested in EffectChainTester,
// since it also wants to test the chain building itself.
// Here, we merely test that alpha is left alone; the test will usually
// run using the sRGB OpenGL extension, but might be run with a
// GammaExpansionEffect if the card/driver happens not to support that.
TEST(FlatInput, AlphaIsNotModifiedBySRGBConversion) {
const int size = 5;
unsigned char data[4 * size] = {
0, 0, 0, 0,
0, 0, 0, 63,
0, 0, 0, 127,
0, 0, 0, 191,
0, 0, 0, 255,
};
float expected_data[4 * size] = {
0, 0, 0, 0.0 / 255.0,
0, 0, 0, 63.0 / 255.0,
0, 0, 0, 127.0 / 255.0,
0, 0, 0, 191.0 / 255.0,
0, 0, 0, 255.0 / 255.0,
};
float out_data[4 * size];
EffectChainTester tester(NULL, 1, size);
tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
TEST(FlatInput, BGR) {
const int size = 5;
float data[3 * size] = {
0.0, 0.0, 0.0,
0.5, 0.0, 0.0,
0.0, 0.5, 0.0,
0.0, 0.0, 0.7,
0.0, 0.3, 0.7,
};
float expected_data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.0, 0.0, 0.5, 1.0,
0.0, 0.5, 0.0, 1.0,
0.7, 0.0, 0.0, 1.0,
0.7, 0.3, 0.0, 1.0,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_BGR, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
TEST(FlatInput, BGRA) {
const int size = 5;
float data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.5, 0.0, 0.0, 0.3,
0.0, 0.5, 0.0, 0.7,
0.0, 0.0, 0.7, 1.0,
0.0, 0.3, 0.7, 0.2,
};
float expected_data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.0, 0.0, 0.5, 0.3,
0.0, 0.5, 0.0, 0.7,
0.7, 0.0, 0.0, 1.0,
0.7, 0.3, 0.0, 0.2,
};
float out_data[4 * size];
EffectChainTester tester(data, 1, size, FORMAT_BGRA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4, size);
}
TEST(FlatInput, Pitch) {
const int pitch = 3;
const int width = 2;
const int height = 4;
float data[pitch * height] = {
0.0, 1.0, 999.0f,
0.5, 0.5, 999.0f,
0.7, 0.2, 999.0f,
1.0, 0.6, 999.0f,
};
float expected_data[4 * width * height] = {
0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0,
0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5, 1.0,
0.7, 0.7, 0.7, 1.0, 0.2, 0.2, 0.2, 1.0,
1.0, 1.0, 1.0, 1.0, 0.6, 0.6, 0.6, 1.0,
};
float out_data[4 * width * height];
EffectChainTester tester(NULL, width, height);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
format.gamma_curve = GAMMA_LINEAR;
FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
input->set_pitch(pitch);
input->set_pixel_data(data);
tester.get_chain()->add_input(input);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4 * width, height);
}
TEST(FlatInput, UpdatedData) {
const int width = 2;
const int height = 4;
float data[width * height] = {
0.0, 1.0,
0.5, 0.5,
0.7, 0.2,
1.0, 0.6,
};
float out_data[width * height];
EffectChainTester tester(NULL, width, height);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
format.gamma_curve = GAMMA_LINEAR;
FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
input->set_pixel_data(data);
tester.get_chain()->add_input(input);
tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(data, out_data, width, height);
data[6] = 0.3;
input->invalidate_pixel_data();
tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(data, out_data, width, height);
}
TEST(FlatInput, PBO) {
const int width = 3;
const int height = 2;
float data[width * height] = {
0.0, 1.0, 0.5,
0.5, 0.5, 0.2,
};
float expected_data[4 * width * height] = {
0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5, 0.5, 0.5, 1.0,
0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5, 1.0, 0.2, 0.2, 0.2, 1.0,
};
float out_data[4 * width * height];
GLuint pbo;
glGenBuffers(1, &pbo);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo);
glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, width * height * sizeof(float), data, GL_STREAM_DRAW);
glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
EffectChainTester tester(NULL, width, height);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
format.gamma_curve = GAMMA_LINEAR;
FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
input->set_pixel_data((float *)BUFFER_OFFSET(0), pbo);
tester.get_chain()->add_input(input);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(expected_data, out_data, 4 * width, height);
glDeleteBuffers(1, &pbo);
}
TEST(FlatInput, ExternalTexture) {
const int size = 5;
float data[3 * size] = {
0.0, 0.0, 0.0,
0.5, 0.0, 0.0,
0.0, 0.5, 0.0,
0.0, 0.0, 0.7,
0.0, 0.3, 0.7,
};
float expected_data[4 * size] = {
0.0, 0.0, 0.0, 1.0,
0.5, 0.0, 0.0, 1.0,
0.0, 0.5, 0.0, 1.0,
0.0, 0.0, 0.7, 1.0,
0.0, 0.3, 0.7, 1.0,
};
float out_data[4 * size];
EffectChainTester tester(NULL, 1, size, FORMAT_RGB, COLORSPACE_sRGB, GAMMA_LINEAR);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
format.gamma_curve = GAMMA_LINEAR;
ResourcePool pool;
GLuint tex = pool.create_2d_texture(GL_RGB8, 1, size);
check_error();
glBindTexture(GL_TEXTURE_2D, tex);
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
check_error();
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
check_error();
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 1, size, GL_RGB, GL_FLOAT, data);
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
check_error();
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
check_error();
FlatInput *input = new FlatInput(format, FORMAT_RGB, GL_FLOAT, 1, size);
input->set_texture_num(tex);
tester.get_chain()->add_input(input);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
pool.release_2d_texture(tex);
expect_equal(expected_data, out_data, 4, size);
}
} // namespace movit