// since bilinear scaling from 2x2 → 3x3 → 2x2 is not very exact.
expect_equal(data, out_data, size, size);
}
+
+extern bool movit_initialized;
+
+// Does not use EffectChainTest, so that it can construct an EffectChain without
+// a shared ResourcePool (which is also properly destroyed afterwards).
+// Also turns on debugging to test that code path.
+TEST(EffectChainTest, IdentityWithOwnPool) {
+ const int width = 3, height = 2;
+ float data[] = {
+ 0.0f, 0.25f, 0.3f,
+ 0.75f, 1.0f, 1.0f,
+ };
+ const float expected_data[] = {
+ 0.75f, 1.0f, 1.0f,
+ 0.0f, 0.25f, 0.3f,
+ };
+ float out_data[6];
+
+ EffectChain chain(width, height);
+ movit_initialized = false;
+ init_movit(".", MOVIT_DEBUG_ON);
+
+ 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);
+ chain.add_input(input);
+ chain.add_output(format, OUTPUT_ALPHA_FORMAT_POSTMULTIPLIED);
+
+ GLuint texnum, fbo;
+ glGenTextures(1, &texnum);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, texnum);
+ check_error();
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, 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();
+
+ chain.finalize();
+
+ chain.render_to_fbo(fbo, width, height);
+
+ glBindFramebuffer(GL_FRAMEBUFFER, fbo);
+ glReadPixels(0, 0, width, height, GL_RED, GL_FLOAT, out_data);
+
+ expect_equal(expected_data, out_data, width, height);
+
+ // Reset the debug status again.
+ movit_initialized = false;
+ init_movit(".", MOVIT_DEBUG_OFF);
+}