Support other output formats than GL_RGBA16F; was easier than originally feared.

[movit] / compute_shader_test.cpp

diff --git a/compute_shader_test.cpp b/compute_shader_test.cpp
index 5a74f40cb5f934f5c183879e2a328e73004ce87d..50b2694fef01a5038861150d82cdcf9e39bbd9c1 100644 (file)
--- a/compute_shader_test.cpp
+++ b/compute_shader_test.cpp
@@ -65,4 +65,22 @@ TEST(ComputeShaderTest, LastEffectInChain) {
        expect_equal(data, out_data, 3, 2);
 }
 
+TEST(ComputeShaderTest, Render8BitTo8Bit) {
+       uint8_t data[] = {
+               14, 200, 80,
+               90, 100, 110,
+       };
+       uint8_t out_data[6];
+       EffectChainTester tester(nullptr, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA8);
+       if (!movit_compute_shaders_supported) {
+               fprintf(stderr, "Skipping test; no support for compile shaders.\n");
+               return;
+       }
+       tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, 3, 2);
+       tester.get_chain()->add_effect(new IdentityAlphaComputeEffect());
+       tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+       expect_equal(data, out_data, 3, 2);
+}
+
 }  // namespace movit