+#include <assert.h>
+#include <math.h>
+#include <stdio.h>
+#include <algorithm>
+#include <epoxy/gl.h>
+#include <gtest/gtest.h>
+#include <gtest/gtest-message.h>
+
+#include "flat_input.h"
#include "init.h"
+#include "resource_pool.h"
#include "test_util.h"
-#include "flat_input.h"
-#include "gtest/gtest.h"
+#include "util.h"
-#include <stdio.h>
-#include <math.h>
+using namespace std;
-#include <algorithm>
+namespace movit {
+
+class Input;
namespace {
+// Not thread-safe, but this isn't a big problem for testing.
+ResourcePool *get_static_pool()
+{
+ static ResourcePool *resource_pool = NULL;
+ if (!resource_pool) {
+ resource_pool = new ResourcePool();
+ }
+ return resource_pool;
+}
+
// Flip upside-down to compensate for different origin.
template<class T>
void vertical_flip(T *data, unsigned width, unsigned height)
for (unsigned y = 0; y < height / 2; ++y) {
unsigned flip_y = height - y - 1;
for (unsigned x = 0; x < width; ++x) {
- std::swap(data[y * width + x], data[flip_y * width + x]);
+ swap(data[y * width + x], data[flip_y * width + x]);
}
}
}
} // namespace
EffectChainTester::EffectChainTester(const float *data, unsigned width, unsigned height,
- MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve)
- : chain(width, height), width(width), height(height), finalized(false)
+ MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve,
+ GLenum framebuffer_format)
+ : chain(width, height, get_static_pool()),
+ width(width),
+ height(height),
+ framebuffer_format(framebuffer_format),
+ output_added(false),
+ finalized(false)
{
- init_movit();
+ CHECK(init_movit(".", MOVIT_DEBUG_OFF));
if (data != NULL) {
add_input(data, pixel_format, color_space, gamma_curve);
}
-
- glGenTextures(1, &texnum);
- check_error();
- glBindTexture(GL_TEXTURE_2D, texnum);
- check_error();
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F_ARB, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
- check_error();
-
- glGenFramebuffers(1, &fbo);
- check_error();
- glBindFramebuffer(GL_FRAMEBUFFER, fbo);
- check_error();
- glFramebufferTexture2D(
- GL_FRAMEBUFFER,
- GL_COLOR_ATTACHMENT0,
- GL_TEXTURE_2D,
- texnum,
- 0);
- check_error();
- glBindFramebuffer(GL_FRAMEBUFFER, 0);
- check_error();
}
EffectChainTester::~EffectChainTester()
{
- glDeleteFramebuffers(1, &fbo);
- check_error();
- glDeleteTextures(1, &texnum);
- check_error();
}
-Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve)
+Input *EffectChainTester::add_input(const float *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
{
ImageFormat format;
format.color_space = color_space;
format.gamma_curve = gamma_curve;
- FlatInput *input = new FlatInput(format, pixel_format, GL_FLOAT, width, height);
+ if (input_width == -1) {
+ input_width = width;
+ }
+ if (input_height == -1) {
+ input_height = height;
+ }
+
+ FlatInput *input = new FlatInput(format, pixel_format, GL_FLOAT, input_width, input_height);
input->set_pixel_data(data);
chain.add_input(input);
return input;
}
-Input *EffectChainTester::add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve)
+Input *EffectChainTester::add_input(const unsigned char *data, MovitPixelFormat pixel_format, Colorspace color_space, GammaCurve gamma_curve, int input_width, int input_height)
{
ImageFormat format;
format.color_space = color_space;
format.gamma_curve = gamma_curve;
- FlatInput *input = new FlatInput(format, pixel_format, GL_UNSIGNED_BYTE, width, height);
+ if (input_width == -1) {
+ input_width = width;
+ }
+ if (input_height == -1) {
+ input_height = height;
+ }
+
+ FlatInput *input = new FlatInput(format, pixel_format, GL_UNSIGNED_BYTE, input_width, input_height);
input->set_pixel_data(data);
chain.add_input(input);
return input;
}
-void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve)
+void EffectChainTester::run(float *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, NULL, NULL, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(float *out_data, float *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<float>(out_data, out_data2, NULL, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(float *out_data, float *out_data2, float *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run(out_data, out_data2, out_data3, GL_FLOAT, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, NULL, NULL, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<unsigned char>(out_data, out_data2, NULL, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run(unsigned char *out_data, unsigned char *out_data2, unsigned char *out_data3, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run(out_data, out_data2, out_data3, GL_UNSIGNED_BYTE, format, color_space, gamma_curve, alpha_format);
+}
+
+void EffectChainTester::run_10_10_10_2(uint32_t *out_data, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
+{
+ internal_run<uint32_t>(out_data, NULL, NULL, GL_UNSIGNED_INT_2_10_10_10_REV, format, color_space, gamma_curve, alpha_format);
+}
+
+template<class T>
+void EffectChainTester::internal_run(T *out_data, T *out_data2, T *out_data3, GLenum internal_format, GLenum format, Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
{
if (!finalized) {
- finalize_chain(color_space, gamma_curve);
+ finalize_chain(color_space, gamma_curve, alpha_format);
+ }
+
+ GLuint type;
+ if (framebuffer_format == GL_RGBA8) {
+ type = GL_UNSIGNED_BYTE;
+ } else if (framebuffer_format == GL_RGBA16F || framebuffer_format == GL_RGBA32F) {
+ type = GL_FLOAT;
+ } else if (framebuffer_format == GL_RGB10_A2) {
+ type = GL_UNSIGNED_INT_2_10_10_10_REV;
+ } else {
+ // Add more here as needed.
+ assert(false);
+ }
+
+ unsigned num_outputs;
+ if (out_data3 != NULL) {
+ num_outputs = 3;
+ } else if (out_data2 != NULL) {
+ num_outputs = 2;
+ } else {
+ num_outputs = 1;
+ }
+
+ GLuint fbo, texnum[3];
+
+ glGenTextures(num_outputs, texnum);
+ check_error();
+ for (unsigned i = 0; i < num_outputs; ++i) {
+ glBindTexture(GL_TEXTURE_2D, texnum[i]);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, framebuffer_format, width, height, 0, GL_RGBA, type, NULL);
+ check_error();
+ }
+
+ glGenFramebuffers(1, &fbo);
+ check_error();
+ glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+ check_error();
+ for (unsigned i = 0; i < num_outputs; ++i) {
+ glFramebufferTexture2D(
+ GL_FRAMEBUFFER,
+ GL_COLOR_ATTACHMENT0 + i,
+ GL_TEXTURE_2D,
+ texnum[i],
+ 0);
+ check_error();
}
+ GLenum bufs[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1, GL_COLOR_ATTACHMENT2 };
+ glDrawBuffers(num_outputs, bufs);
+
chain.render_to_fbo(fbo, width, height);
+ T *data[3] = { out_data, out_data2, out_data3 };
+
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
- glReadPixels(0, 0, width, height, format, GL_FLOAT, out_data);
+ check_error();
+ for (unsigned i = 0; i < num_outputs; ++i) {
+ T *ptr = data[i];
+ glReadBuffer(GL_COLOR_ATTACHMENT0 + i);
+ if (!epoxy_is_desktop_gl() && (format == GL_RED || format == GL_BLUE || format == GL_ALPHA)) {
+ // GLES will only read GL_RGBA.
+ T *temp = new T[width * height * 4];
+ glReadPixels(0, 0, width, height, GL_RGBA, internal_format, temp);
+ check_error();
+ if (format == GL_ALPHA) {
+ for (unsigned i = 0; i < width * height; ++i) {
+ ptr[i] = temp[i * 4 + 3];
+ }
+ } else if (format == GL_BLUE) {
+ for (unsigned i = 0; i < width * height; ++i) {
+ ptr[i] = temp[i * 4 + 2];
+ }
+ } else {
+ for (unsigned i = 0; i < width * height; ++i) {
+ ptr[i] = temp[i * 4];
+ }
+ }
+ delete[] temp;
+ } else {
+ glReadPixels(0, 0, width, height, format, internal_format, ptr);
+ check_error();
+ }
- if (format == GL_RGBA) {
- width *= 4;
+ if (format == GL_RGBA && sizeof(*ptr) == 1) {
+ vertical_flip(ptr, width * 4, height);
+ } else {
+ vertical_flip(ptr, width, height);
+ }
}
- vertical_flip(out_data, width, height);
+ glDeleteFramebuffers(1, &fbo);
+ check_error();
+ glDeleteTextures(num_outputs, texnum);
+ check_error();
+}
+
+void EffectChainTester::add_output(const ImageFormat &format, OutputAlphaFormat alpha_format)
+{
+ chain.add_output(format, alpha_format);
+ output_added = true;
+}
+
+void EffectChainTester::add_ycbcr_output(const ImageFormat &format, OutputAlphaFormat alpha_format, const YCbCrFormat &ycbcr_format, YCbCrOutputSplitting output_splitting)
+{
+ chain.add_ycbcr_output(format, alpha_format, ycbcr_format, output_splitting);
+ output_added = true;
}
-void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve)
+void EffectChainTester::finalize_chain(Colorspace color_space, GammaCurve gamma_curve, OutputAlphaFormat alpha_format)
{
assert(!finalized);
- ImageFormat image_format;
- image_format.color_space = color_space;
- image_format.gamma_curve = gamma_curve;
- chain.add_output(image_format);
+ if (!output_added) {
+ ImageFormat image_format;
+ image_format.color_space = color_space;
+ image_format.gamma_curve = gamma_curve;
+ chain.add_output(image_format, alpha_format);
+ output_added = true;
+ }
chain.finalize();
finalized = true;
}
}
}
}
+
+void expect_equal(const unsigned char *ref, const unsigned char *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
+{
+ assert(width > 0);
+ assert(height > 0);
+
+ float *ref_float = new float[width * height];
+ float *result_float = new float[width * height];
+
+ for (unsigned y = 0; y < height; ++y) {
+ for (unsigned x = 0; x < width; ++x) {
+ ref_float[y * width + x] = ref[y * width + x];
+ result_float[y * width + x] = result[y * width + x];
+ }
+ }
+
+ expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
+
+ delete[] ref_float;
+ delete[] result_float;
+}
+
+void expect_equal(const int *ref, const int *result, unsigned width, unsigned height, unsigned largest_difference_limit, float rms_limit)
+{
+ assert(width > 0);
+ assert(height > 0);
+
+ float *ref_float = new float[width * height];
+ float *result_float = new float[width * height];
+
+ for (unsigned y = 0; y < height; ++y) {
+ for (unsigned x = 0; x < width; ++x) {
+ ref_float[y * width + x] = ref[y * width + x];
+ result_float[y * width + x] = result[y * width + x];
+ }
+ }
+
+ expect_equal(ref_float, result_float, width, height, largest_difference_limit, rms_limit);
+
+ delete[] ref_float;
+ delete[] result_float;
+}
+
+void test_accuracy(const float *expected, const float *result, unsigned num_values, double absolute_error_limit, double relative_error_limit, double local_relative_error_limit, double rms_limit)
+{
+ double squared_difference = 0.0;
+ for (unsigned i = 0; i < num_values; ++i) {
+ double absolute_error = fabs(expected[i] - result[i]);
+ squared_difference += absolute_error * absolute_error;
+ EXPECT_LT(absolute_error, absolute_error_limit);
+
+ if (expected[i] > 0.0) {
+ double relative_error = fabs(absolute_error / expected[i]);
+
+ EXPECT_LT(relative_error, relative_error_limit);
+ }
+ if (i < num_values - 1) {
+ double delta = expected[i + 1] - expected[i];
+ double local_relative_error = fabs(absolute_error / delta);
+ EXPECT_LT(local_relative_error, local_relative_error_limit);
+ }
+ }
+ double rms = sqrt(squared_difference) / num_values;
+ EXPECT_LT(rms, rms_limit);
+}
+
+double srgb_to_linear(double x)
+{
+ // From the Wikipedia article on sRGB.
+ if (x < 0.04045) {
+ return x / 12.92;
+ } else {
+ return pow((x + 0.055) / 1.055, 2.4);
+ }
+}
+
+double linear_to_srgb(double x)
+{
+ // From the Wikipedia article on sRGB.
+ if (x < 0.0031308) {
+ return 12.92 * x;
+ } else {
+ return 1.055 * pow(x, 1.0 / 2.4) - 0.055;
+ }
+}
+
+} // namespace movit
projects / movit / blobdiff