Exemplo n.º 1
0
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);
}
Exemplo n.º 2
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/* Test that data values are written and read with proper alignment. */
static void
test_alignment(void)
{
   void *ctx = ralloc_context(NULL);
   struct blob *blob;
   struct blob_reader reader;
   uint8_t bytes[] = "ABCDEFGHIJKLMNOP";
   size_t delta, last, num_bytes;

   blob = blob_create(ctx);

   /* First, write an intptr value to the blob and capture that size. This is
    * the expected offset between any pair of intptr values (if written with
    * alignment).
    */
   blob_write_intptr(blob, (intptr_t) blob);

   delta = blob->size;
   last = blob->size;

   /* Then loop doing the following:
    *
    *   1. Write an unaligned number of bytes
    *   2. Verify that write results in an unaligned size
    *   3. Write an intptr_t value
    *   2. Verify that that write results in an aligned size
    */
   for (num_bytes = 1; num_bytes < sizeof(intptr_t); num_bytes++) {
      blob_write_bytes(blob, bytes, num_bytes);

      expect_unequal(delta, blob->size - last, "unaligned write of bytes");

      blob_write_intptr(blob, (intptr_t) blob);

      expect_equal(2 * delta, blob->size - last, "aligned write of intptr");

      last = blob->size;
   }

   /* Finally, test that reading also does proper alignment. Since we know
    * that values were written with all the right alignment, all we have to do
    * here is verify that correct values are read.
    */
   blob_reader_init(&reader, blob->data, blob->size);

   expect_equal((intptr_t) blob, blob_read_intptr(&reader),
                "read of initial, aligned intptr_t");

   for (num_bytes = 1; num_bytes < sizeof(intptr_t); num_bytes++) {
      expect_equal_bytes(bytes, blob_read_bytes(&reader, num_bytes),
                         num_bytes, "unaligned read of bytes");
      expect_equal((intptr_t) blob, blob_read_intptr(&reader),
                   "aligned read of intptr_t");
   }

   ralloc_free(ctx);
}
Exemplo n.º 3
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  void jtl::consume_group::test<4>() /* copy */
  {
    jtl::reset();

    std::vector<jtl::tracked_copy> in(6);
    std::vector<jtl::tracked_eater<jtl::tracked_copy>> out(3);
    jtl::algorithm::consume_copy<2>(std::begin(in), std::end(in), std::begin(out));

    /* First copied into their new home, then that home is copied into the vector. */
    expect_equal(jtl::tracked_copy::count, 12ul);
    expect_equal(jtl::tracked_move::count, 0ul);
  }
Exemplo n.º 4
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 void jtl::consume_group::test<0>() /* vector -> vector */
 {
   std::vector<int> in{ 0, 1, 2, 3, 4, 5 };
   std::vector<std::vector<int>> out(3);
   jtl::algorithm::consume<2>(std::begin(in), std::end(in),
                              std::begin(out));
   for(int i{}; i < 3; ++i)
   {
     expect_equal(out[i].size(), 2ul);
     expect_equal(out[i][0], i * 2);
     expect_equal(out[i][1], (i * 2) + 1);
   }
 }
Exemplo n.º 5
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 void jtl::consume_group::test<1>() /* vector -> vector (push_back) */
 {
   std::vector<int> in{ 0, 1, 2, 3, 4, 5 };
   std::vector<std::vector<int>> out;
   jtl::algorithm::consume<2>(std::begin(in), std::end(in),
                              jtl::iterator::back_inserter(out));
   for(int i{}; i < 3; ++i)
   {
     expect_equal(out[i].size(), 2ul);
     expect_equal(out[i][0], i * 2);
     expect_equal(out[i][1], (i * 2) + 1);
   }
 }
Exemplo n.º 6
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  void jtl::consume_group::test<2>() /* aggregate */
  {
    struct name
    { std::string first, last; };

    std::stringstream ss{ "john|doe|peter|parker" };
    std::vector<name> names;
    jtl::algorithm::consume<2>(jtl::iterator::stream_delim<>{ ss, '|' },
                               jtl::iterator::stream_delim<>{},
                               jtl::iterator::back_inserter(names));
    expect_equal(names[0].first, "john");
    expect_equal(names[0].last, "doe");
    expect_equal(names[1].first, "peter");
    expect_equal(names[1].last, "parker");
  }
Exemplo n.º 7
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 void ex_1_group::test<1>()
 {
   int const i{};
   float const f{ 3.14 };
   float const f2{ f * 2.0f };
   expect_equal(i, f, f2);
 }
Exemplo n.º 8
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TEST(PaddingEffectTest, BorderColorIsInLinearGamma) {
	float data[4 * 1] = {
		0.2f, 0.4f, 0.6f, 0.8f,
	};
	float expected_data[4 * 2] = {
		0.5005, 0.7051, 0.8677, 0.7998,  // Pixel from data[].
		0.5005, 0.7051, 0.8677, 0.7998,  // Pixel from the border color.
	};
	float out_data[4 * 2];

        EffectChainTester tester(NULL, 1, 2);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_LINEAR;

	FlatInput *input = new FlatInput(format, FORMAT_RGBA_PREMULTIPLIED_ALPHA, GL_FLOAT, 1, 1);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 1));
	CHECK(effect->set_int("height", 2));
	CHECK(effect->set_float("left", 0.0f));
	CHECK(effect->set_float("top", 0.0f));

	RGBATuple border_color(0.2f, 0.4f, 0.6f, 0.8f);  // Same as the pixel in data[].
	CHECK(effect->set_vec4("border_color", (float *)&border_color));

	tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_601, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
	expect_equal(expected_data, out_data, 4, 2);
}
Exemplo n.º 9
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TEST(PaddingEffectTest, WhiteBorderColor) {
	float data[2 * 2] = {
		1.0f, 0.5f,
		0.8f, 0.3f,
	};
	float expected_data[4 * 4] = {
		1.0f, 1.0f, 1.0f, 1.0f,
		1.0f, 1.0f, 0.5f, 1.0f,
		1.0f, 0.8f, 0.3f, 1.0f,
		1.0f, 1.0f, 1.0f, 1.0f,
	};
	float out_data[4 * 4];

        EffectChainTester tester(NULL, 4, 4);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_LINEAR;

	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 4));
	CHECK(effect->set_int("height", 4));
	CHECK(effect->set_float("left", 1.0f));
	CHECK(effect->set_float("top", 1.0f));

	RGBATuple border_color(1.0f, 1.0f, 1.0f, 1.0f);
	CHECK(effect->set_vec4("border_color", (float *)&border_color));

	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
	expect_equal(expected_data, out_data, 4, 4);
}
Exemplo n.º 10
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TEST(PaddingEffectTest, BorderOffsetLeftAndRight) {
	float data[3 * 2] = {
		1.0f, 0.5f, 0.6f,
		0.8f, 0.3f, 0.2f,
	};
	float expected_data[4 * 2] = {
		0.750f, 0.5f, 0.3f, 0.0f,
		0.600f, 0.3f, 0.1f, 0.0f
	};
	float out_data[4 * 2];

        EffectChainTester tester(NULL, 4, 2);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_LINEAR;

	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 3, 2);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 4));
	CHECK(effect->set_int("height", 2));
	CHECK(effect->set_float("left", 0.0f));
	CHECK(effect->set_float("top", 0.0f));
	CHECK(effect->set_float("border_offset_left", 0.25f));
	CHECK(effect->set_float("border_offset_right", -0.5f));

	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
	expect_equal(expected_data, out_data, 4, 2);
}
Exemplo n.º 11
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TEST(PaddingEffectTest, BorderOffsetTopAndBottom) {
	float data[2 * 2] = {
		1.0f, 0.5f,
		0.8f, 0.3f,
	};
	float expected_data[4 * 4] = {
		0.0f, 0.000f, 0.000f, 0.0f,
		0.0f, 0.750f, 0.375f, 0.0f,
		0.0f, 0.800f, 0.300f, 0.0f,
		0.0f, 0.200f, 0.075f, 0.0f,  // Repeated pixels, 25% opacity.
	};
	float out_data[4 * 4];

        EffectChainTester tester(NULL, 4, 4);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_LINEAR;

	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 4));
	CHECK(effect->set_int("height", 4));
	CHECK(effect->set_float("left", 1.0f));
	CHECK(effect->set_float("top", 1.0f));
	CHECK(effect->set_float("border_offset_top", 0.25f));
	CHECK(effect->set_float("border_offset_bottom", 0.25f));

	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
	expect_equal(expected_data, out_data, 4, 4);
}
Exemplo n.º 12
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TEST(PaddingEffectTest, AlphaIsCorrectEvenWithNonLinearInputsAndOutputs) {
	float data[2 * 1] = {
		1.0f,
		0.8f,
	};
	float expected_data[4 * 4] = {
		1.0f, 1.0f, 1.0f, 0.5f,
		1.0f, 1.0f, 1.0f, 1.0f,
		0.8f, 0.8f, 0.8f, 1.0f,
		1.0f, 1.0f, 1.0f, 0.5f,
	};
	float out_data[4 * 4];

	EffectChainTester tester(NULL, 1, 4);

	ImageFormat format;
	format.color_space = COLORSPACE_REC_601_625;
	format.gamma_curve = GAMMA_REC_709;

	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, 2);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 1));
	CHECK(effect->set_int("height", 4));
	CHECK(effect->set_float("left", 0.0f));
	CHECK(effect->set_float("top", 1.0f));

	RGBATuple border_color(1.0f, 1.0f, 1.0f, 0.5f);
	CHECK(effect->set_vec4("border_color", (float *)&border_color));

	tester.run(out_data, GL_RGBA, COLORSPACE_REC_601_625, GAMMA_REC_709, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
	expect_equal(expected_data, out_data, 4, 4);
}
Exemplo n.º 13
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TEST(PaddingEffectTest, NonIntegerOffset) {
	float data[4 * 1] = {
		0.25f, 0.50f, 0.75f, 1.0f,
	};
	float expected_data[5 * 2] = {
		0.1875f, 0.4375f, 0.6875f, 0.9375f, 0.25f,
		0.0f, 0.0f, 0.0f, 0.0f, 0.0f,
	};
	float out_data[5 * 2];

        EffectChainTester tester(NULL, 5, 2);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_LINEAR;

	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 1);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 5));
	CHECK(effect->set_int("height", 2));
	CHECK(effect->set_float("left", 0.25f));
	CHECK(effect->set_float("top", 0.0f));

	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
	expect_equal(expected_data, out_data, 5, 2);
}
Exemplo n.º 14
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TEST(PaddingEffectTest, DifferentXAndYOffset) {
	float data[1 * 1] = {
		1.0f
	};
	float expected_data[3 * 3] = {
		0.0f, 0.0f, 0.0f,
		0.0f, 0.0f, 1.0f,
		0.0f, 0.0f, 0.0f,
	};
	float out_data[3 * 3];

        EffectChainTester tester(NULL, 3, 3);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_LINEAR;

	FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, 1);
	input->set_pixel_data(data);
	tester.get_chain()->add_input(input);

	Effect *effect = tester.get_chain()->add_effect(new PaddingEffect());
	CHECK(effect->set_int("width", 3));
	CHECK(effect->set_int("height", 3));
	CHECK(effect->set_float("left", 2.0f));
	CHECK(effect->set_float("top", 1.0f));

	tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
	expect_equal(expected_data, out_data, 3, 3);
}
Exemplo n.º 15
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TEST(GlowEffectTest, GlowsOntoZeroAlpha) {
	const int size = 7;
	const float sigma = 1.0f;
	const float amount = 1.0f;

	float data[4 * size] = {
		0.0, 0.0, 0.0, 0.0,
		0.0, 0.0, 0.0, 0.0,
		0.0, 0.0, 0.0, 0.0,
		0.0, 1.0, 0.0, 0.5,
		0.0, 0.0, 0.0, 0.0,
		0.0, 0.0, 0.0, 0.0,
		0.0, 0.0, 0.0, 0.0,
	};
	float expected_data[4 * size] = {
		0.0, 1.0, 0.0, 0.002, 
		0.0, 1.0, 0.0, 0.014,
		0.0, 1.0, 0.0, 0.065, 
		0.0, 1.0, 0.0, 0.635, 
		0.0, 1.0, 0.0, 0.065, 
		0.0, 1.0, 0.0, 0.014,
		0.0, 1.0, 0.0, 0.002, 
	};

	float out_data[4 * size];

	EffectChainTester tester(data, 1, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
	Effect *glow_effect = tester.get_chain()->add_effect(new GlowEffect());
	ASSERT_TRUE(glow_effect->set_float("radius", sigma));
	ASSERT_TRUE(glow_effect->set_float("blurred_mix_amount", amount));
	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);

	expect_equal(expected_data, out_data, 4, size);
}
TEST(DeconvolutionSharpenEffectTest, CircularDeconvolutionKeepsAlpha) {
	// Somewhat bigger, to make sure we are much bigger than the matrix size.
	const int size = 32;

	float data[size * size * 4];
	float out_data[size * size];
	float expected_alpha[size * size];

	// Checkerbox pattern.
	for (int y = 0; y < size; ++y) {
		for (int x = 0; x < size; ++x) {
			int c = (y ^ x) & 1;
			data[(y * size + x) * 4 + 0] = c;
			data[(y * size + x) * 4 + 1] = c;
			data[(y * size + x) * 4 + 2] = c;
			data[(y * size + x) * 4 + 3] = 1.0;
			expected_alpha[y * size + x] = 1.0;
		}
	}

	EffectChainTester tester(data, size, size, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
	Effect *deconvolution_effect = tester.get_chain()->add_effect(new DeconvolutionSharpenEffect());
	ASSERT_TRUE(deconvolution_effect->set_int("matrix_size", 5));
	ASSERT_TRUE(deconvolution_effect->set_float("circle_radius", 2.0f));
	ASSERT_TRUE(deconvolution_effect->set_float("gaussian_radius", 0.0f));
	ASSERT_TRUE(deconvolution_effect->set_float("correlation", 0.0001f));
	ASSERT_TRUE(deconvolution_effect->set_float("noise", 0.0f));
	tester.run(out_data, GL_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);

	expect_equal(expected_alpha, out_data, size, size);
}
Exemplo n.º 17
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TEST(DiffusionEffectTest, FlattensOutWhitePyramid) {
    const int size = 9;

    float data[size * size] = {
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.5, 0.0, 0.0,
        0.0, 0.0, 0.5, 0.7, 0.7, 0.7, 0.5, 0.0, 0.0,
        0.0, 0.0, 0.5, 0.7, 1.0, 0.7, 0.5, 0.0, 0.0,
        0.0, 0.0, 0.5, 0.7, 0.7, 0.7, 0.5, 0.0, 0.0,
        0.0, 0.0, 0.5, 0.5, 0.5, 0.5, 0.5, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
    };
    float expected_data[size * size] = {
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.4, 0.4, 0.4, 0.4, 0.4, 0.0, 0.0,
        0.0, 0.0, 0.4, 0.5, 0.5, 0.5, 0.4, 0.0, 0.0,
        0.0, 0.0, 0.4, 0.5, 0.6, 0.5, 0.4, 0.0, 0.0,
        0.0, 0.0, 0.4, 0.5, 0.5, 0.5, 0.4, 0.0, 0.0,
        0.0, 0.0, 0.4, 0.4, 0.4, 0.4, 0.4, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
        0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0,
    };
    float out_data[size * size];

    EffectChainTester tester(data, size, size, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR);
    Effect *diffusion_effect = tester.get_chain()->add_effect(new DiffusionEffect());
    ASSERT_TRUE(diffusion_effect->set_float("radius", 2.0f));
    ASSERT_TRUE(diffusion_effect->set_float("blurred_mix_amount", 0.7f));
    tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);

    expect_equal(expected_data, out_data, size, size, 0.05f, 0.002);
}
Exemplo n.º 18
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// 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);
}
Exemplo n.º 19
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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);
}
Exemplo n.º 20
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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);
}
Exemplo n.º 21
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TEST(YCbCrInputTest, PBO) {
	const int width = 1;
	const int height = 5;

	// Pure-color test inputs, calculated with the formulas in Rec. 601
	// section 2.5.4.
	unsigned char data[width * height * 3] = {
		16, 235, 81, 145, 41,
		128, 128, 90, 54, 240,
		128, 128, 240, 34, 110,
	};
	float expected_data[4 * width * height] = {
		0.0, 0.0, 0.0, 1.0,
		1.0, 1.0, 1.0, 1.0,
		1.0, 0.0, 0.0, 1.0,
		0.0, 1.0, 0.0, 1.0,
		0.0, 0.0, 1.0, 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 * 3, 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_sRGB;

	YCbCrFormat ycbcr_format;
	ycbcr_format.luma_coefficients = YCBCR_REC_601;
	ycbcr_format.full_range = false;
	ycbcr_format.num_levels = 256;
	ycbcr_format.chroma_subsampling_x = 1;
	ycbcr_format.chroma_subsampling_y = 1;
	ycbcr_format.cb_x_position = 0.5f;
	ycbcr_format.cb_y_position = 0.5f;
	ycbcr_format.cr_x_position = 0.5f;
	ycbcr_format.cr_y_position = 0.5f;

	YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height);
	input->set_pixel_data(0, (unsigned char *)BUFFER_OFFSET(0), pbo);
	input->set_pixel_data(1, (unsigned char *)BUFFER_OFFSET(width * height), pbo);
	input->set_pixel_data(2, (unsigned char *)BUFFER_OFFSET(width * height * 2), pbo);
	tester.get_chain()->add_input(input);

	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);

	// Y'CbCr isn't 100% accurate (the input values are rounded),
	// so we need some leeway.
	expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002);

	glDeleteBuffers(1, &pbo);
}
Exemplo n.º 22
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 void jeayeson::value_ctor_group::test<1>() /* initializer_list for array */
 {
   json_value vm
   {
     "str0", "str1", "str2"
   };
   expect(vm.get_type() == json_value::type::array);
   expect_equal(vm.as<json_array>().size(), 3ul);
 }
Exemplo n.º 23
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TEST(YCbCrInputTest, Rec2020) {
	const int width = 1;
	const int height = 5;

	// Pure-color test inputs, calculated with the formulas in Rec. 2020
	// page 4, tables 4 and 5 (for conventional non-constant luminance).
	// Note that we still use 8-bit inputs, even though Rec. 2020 is only
	// defined for 10- and 12-bit.
	unsigned char y[width * height] = {
		16, 235, 74, 164, 29,
	};
	unsigned char cb[width * height] = {
		128, 128, 97, 47, 240,
	};
	unsigned char cr[width * height] = {
		128, 128, 240, 25, 119,
	};
	float expected_data[4 * width * height] = {
		0.0, 0.0, 0.0, 1.0,
		1.0, 1.0, 1.0, 1.0,
		1.0, 0.0, 0.0, 1.0,
		0.0, 1.0, 0.0, 1.0,
		0.0, 0.0, 1.0, 1.0,
	};
	float out_data[4 * width * height];

	EffectChainTester tester(NULL, width, height);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_sRGB;

	YCbCrFormat ycbcr_format;
	ycbcr_format.luma_coefficients = YCBCR_REC_2020;
	ycbcr_format.full_range = false;
	ycbcr_format.num_levels = 256;
	ycbcr_format.chroma_subsampling_x = 1;
	ycbcr_format.chroma_subsampling_y = 1;
	ycbcr_format.cb_x_position = 0.5f;
	ycbcr_format.cb_y_position = 0.5f;
	ycbcr_format.cr_x_position = 0.5f;
	ycbcr_format.cr_y_position = 0.5f;

	YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height);
	input->set_pixel_data(0, y);
	input->set_pixel_data(1, cb);
	input->set_pixel_data(2, cr);
	tester.get_chain()->add_input(input);

	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);

	// Y'CbCr isn't 100% accurate (the input values are rounded),
	// so we need some leeway.
	expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002);
}
Exemplo n.º 24
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/* Test that we detect overrun. */
static void
test_overrun(void)
{
   struct blob blob;
   struct blob_reader reader;
   uint32_t value = 0xdeadbeef;

   blob_init(&blob);

   blob_write_uint32(&blob, value);

   blob_reader_init(&reader, blob.data, blob.size);

   expect_equal(value, blob_read_uint32(&reader), "read before overrun");
   expect_equal(false, reader.overrun, "overrun flag not set");
   expect_equal(0, blob_read_uint32(&reader), "read at overrun");
   expect_equal(true, reader.overrun, "overrun flag set");

   blob_finish(&blob);
}
Exemplo n.º 25
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TEST(YCbCrInputTest, FullRangeRec601) {
	const int width = 1;
	const int height = 5;

	// Pure-color test inputs, calculated with the formulas in Rec. 601
	// section 2.5.4 but without the scaling factors applied
	// (so both R, G, B, Y, Cb and R vary from 0 to 255).
	unsigned char y[width * height] = {
		0, 255, 76, 150, 29,
	};
	unsigned char cb[width * height] = {
		128, 128, 85, 44, 255,
	};
	unsigned char cr[width * height] = {
		128, 128, 255, 21, 107,
	};
	float expected_data[4 * width * height] = {
		0.0, 0.0, 0.0, 1.0,
		1.0, 1.0, 1.0, 1.0,
		1.0, 0.0, 0.0, 1.0,
		0.0, 1.0, 0.0, 1.0,
		0.0, 0.0, 1.0, 1.0,
	};
	float out_data[4 * width * height];

	EffectChainTester tester(NULL, width, height);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_sRGB;

	YCbCrFormat ycbcr_format;
	ycbcr_format.luma_coefficients = YCBCR_REC_601;
	ycbcr_format.full_range = true;
	ycbcr_format.num_levels = 256;
	ycbcr_format.chroma_subsampling_x = 1;
	ycbcr_format.chroma_subsampling_y = 1;
	ycbcr_format.cb_x_position = 0.5f;
	ycbcr_format.cb_y_position = 0.5f;
	ycbcr_format.cr_x_position = 0.5f;
	ycbcr_format.cr_y_position = 0.5f;

	YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height);
	input->set_pixel_data(0, y);
	input->set_pixel_data(1, cb);
	input->set_pixel_data(2, cr);
	tester.get_chain()->add_input(input);

	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);

	// Y'CbCr isn't 100% accurate (the input values are rounded),
	// so we need some leeway.
	expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002);
}
Exemplo n.º 26
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/* Test that we can read and write some large objects, (exercising the code in
 * the blob_write functions to realloc blob->data.
 */
static void
test_big_objects(void)
{
   void *ctx = ralloc_context(NULL);
   struct blob blob;
   struct blob_reader reader;
   int size = 1000;
   int count = 1000;
   size_t i;
   char *buf;

   blob_init(&blob);

   /* Initialize our buffer. */
   buf = ralloc_size(ctx, size);
   for (i = 0; i < size; i++) {
      buf[i] = i % 256;
   }

   /* Write it many times. */
   for (i = 0; i < count; i++) {
      blob_write_bytes(&blob, buf, size);
   }

   blob_reader_init(&reader, blob.data, blob.size);

   /* Read and verify it many times. */
   for (i = 0; i < count; i++) {
      expect_equal_bytes((uint8_t *) buf, blob_read_bytes(&reader, size), size,
                         "read of large objects");
   }

   expect_equal(reader.end - reader.data, reader.current - reader.data,
                "number of bytes read reading large objects");

   expect_equal(false, reader.overrun,
                "overrun flag not set reading large objects");

   blob_finish(&blob);
   ralloc_free(ctx);
}
Exemplo n.º 27
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TEST(SaturationEffectTest, SaturationOneIsPassThrough) {
	float data[] = {
		1.0f, 0.5f, 0.75f, 0.6f,
	};
	float out_data[4];
	EffectChainTester tester(data, 1, 1, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_LINEAR);
	Effect *saturation_effect = tester.get_chain()->add_effect(new SaturationEffect());
	ASSERT_TRUE(saturation_effect->set_float("saturation", 1.0f));
	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);

	expect_equal(data, out_data, 1, 1);
}
Exemplo n.º 28
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/* Test that we detect overrun. */
static void
test_overrun(void)
{
   void *ctx =ralloc_context(NULL);
   struct blob *blob;
   struct blob_reader reader;
   uint32_t value = 0xdeadbeef;

   blob = blob_create(ctx);

   blob_write_uint32(blob, value);

   blob_reader_init(&reader, blob->data, blob->size);

   expect_equal(value, blob_read_uint32(&reader), "read before overrun");
   expect_equal(false, reader.overrun, "overrun flag not set");
   expect_equal(0, blob_read_uint32(&reader), "read at overrun");
   expect_equal(true, reader.overrun, "overrun flag set");

   ralloc_free(ctx);
}
Exemplo n.º 29
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TEST(YCbCrInputTest, CombinedCbAndCr) {
	const int width = 1;
	const int height = 5;

	// Pure-color test inputs, calculated with the formulas in Rec. 601
	// section 2.5.4.
	unsigned char y[width * height] = {
		16, 235, 81, 145, 41,
	};
	unsigned char cb_cr[width * height * 2] = {
		128, 128,
		128, 128,
		 90, 240,
		 54,  34,
		240, 110,
	};
	float expected_data[4 * width * height] = {
		0.0, 0.0, 0.0, 1.0,
		1.0, 1.0, 1.0, 1.0,
		1.0, 0.0, 0.0, 1.0,
		0.0, 1.0, 0.0, 1.0,
		0.0, 0.0, 1.0, 1.0,
	};
	float out_data[4 * width * height];

	EffectChainTester tester(NULL, width, height);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_sRGB;

	YCbCrFormat ycbcr_format;
	ycbcr_format.luma_coefficients = YCBCR_REC_601;
	ycbcr_format.full_range = false;
	ycbcr_format.num_levels = 256;
	ycbcr_format.chroma_subsampling_x = 1;
	ycbcr_format.chroma_subsampling_y = 1;
	ycbcr_format.cb_x_position = 0.5f;
	ycbcr_format.cb_y_position = 0.5f;
	ycbcr_format.cr_x_position = 0.5f;
	ycbcr_format.cr_y_position = 0.5f;

	YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height, YCBCR_INPUT_SPLIT_Y_AND_CBCR);
	input->set_pixel_data(0, y);
	input->set_pixel_data(1, cb_cr);
	tester.get_chain()->add_input(input);

	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);

	// Y'CbCr isn't 100% accurate (the input values are rounded),
	// so we need some leeway.
	expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002);
}
Exemplo n.º 30
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TEST(YCbCrInputTest, Rec709) {
	const int width = 1;
	const int height = 5;

	// Pure-color test inputs, calculated with the formulas in Rec. 709
	// page 19, items 3.4 and 3.5.
	unsigned char y[width * height] = {
		16, 235, 63, 173, 32, 
	};
	unsigned char cb[width * height] = {
		128, 128, 102, 42, 240,
	};
	unsigned char cr[width * height] = {
		128, 128, 240, 26, 118,
	};
	float expected_data[4 * width * height] = {
		0.0, 0.0, 0.0, 1.0,
		1.0, 1.0, 1.0, 1.0,
		1.0, 0.0, 0.0, 1.0,
		0.0, 1.0, 0.0, 1.0,
		0.0, 0.0, 1.0, 1.0,
	};
	float out_data[4 * width * height];

	EffectChainTester tester(NULL, width, height);

	ImageFormat format;
	format.color_space = COLORSPACE_sRGB;
	format.gamma_curve = GAMMA_sRGB;

	YCbCrFormat ycbcr_format;
	ycbcr_format.luma_coefficients = YCBCR_REC_709;
	ycbcr_format.full_range = false;
	ycbcr_format.num_levels = 256;
	ycbcr_format.chroma_subsampling_x = 1;
	ycbcr_format.chroma_subsampling_y = 1;
	ycbcr_format.cb_x_position = 0.5f;
	ycbcr_format.cb_y_position = 0.5f;
	ycbcr_format.cr_x_position = 0.5f;
	ycbcr_format.cr_y_position = 0.5f;

	YCbCrInput *input = new YCbCrInput(format, ycbcr_format, width, height);
	input->set_pixel_data(0, y);
	input->set_pixel_data(1, cb);
	input->set_pixel_data(2, cr);
	tester.get_chain()->add_input(input);

	tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_sRGB);

	// Y'CbCr isn't 100% accurate (the input values are rounded),
	// so we need some leeway.
	expect_equal(expected_data, out_data, 4 * width, height, 0.025, 0.002);
}