Make FlatInput and YCbCrInput support taking in external OpenGL textures.

[movit] / flat_input_test.cpp

diff --git a/flat_input_test.cpp b/flat_input_test.cpp
index 397cae3c26d788f7abe5ed10ba064f23b60d2cbd..741b7c709c63e582b0e301238a6a4adfa684416d 100644 (file)
--- a/flat_input_test.cpp
+++ b/flat_input_test.cpp
@@ -6,6 +6,7 @@
 #include "effect_chain.h"
 #include "flat_input.h"
 #include "gtest/gtest.h"
+#include "resource_pool.h"
 #include "test_util.h"
 #include "util.h"
 
@@ -267,4 +268,56 @@ TEST(FlatInput, PBO) {
        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