X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=effect_chain_test.cpp;h=a85fb365798fc945c77e7c856605e5bb333c7583;hp=c8fd946e6717fdd523048e58005b5f68e73d0d75;hb=b2da076fe497ab3cbaa01c1e5230210e8a2cf228;hpb=8eb4f2233b58dd11d276de2db44a8841224e15f5

diff --git a/effect_chain_test.cpp b/effect_chain_test.cpp
index c8fd946..a85fb36 100644
--- a/effect_chain_test.cpp
+++ b/effect_chain_test.cpp
@@ -1,8 +1,10 @@
 // Unit tests for EffectChain.
+//
+// Note that this also contains the tests for some of the simpler effects.
 
 #include "effect_chain.h"
 #include "flat_input.h"
-#include "sandbox_effect.h"
+#include "mirror_effect.h"
 #include "opengl.h"
 #include "gtest/gtest.h"
 
@@ -96,6 +98,26 @@ void expect_equal(const float *ref, const float *result, unsigned width, unsigne
 	}
 }
 
+TEST(EffectChainTest, EmptyChain) {
+	float data[] = {
+		0.0f, 0.25f, 0.3f,
+		0.75f, 1.0f, 1.0f,
+	};
+	float out_data[6];
+	EffectChainTester tester(data, 3, 2, COLORSPACE_sRGB, GAMMA_LINEAR);
+	tester.run(out_data, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+	expect_equal(data, out_data, 3, 2);
+}
+
+// An effect that does nothing.
+class IdentityEffect : public Effect {
+public:
+	IdentityEffect() {}
+	virtual std::string effect_type_id() const { return "IdentityEffect"; }
+	std::string output_fragment_shader() { return read_file("identity.frag"); }
+};
+
 TEST(EffectChainTest, Identity) {
 	float data[] = {
 		0.0f, 0.25f, 0.3f,
@@ -103,7 +125,47 @@ TEST(EffectChainTest, Identity) {
 	};
 	float out_data[6];
 	EffectChainTester tester(data, 3, 2, COLORSPACE_sRGB, GAMMA_LINEAR);
+	tester.get_chain()->add_effect(new IdentityEffect());
 	tester.run(out_data, COLORSPACE_sRGB, GAMMA_LINEAR);
 
 	expect_equal(data, out_data, 3, 2);
 }
+
+// An effect that does nothing, but requests texture bounce.
+class BouncingIdentityEffect : public Effect {
+public:
+	BouncingIdentityEffect() {}
+	virtual std::string effect_type_id() const { return "IdentityEffect"; }
+	std::string output_fragment_shader() { return read_file("identity.frag"); }
+	bool needs_texture_bounce() const { return true; }
+};
+
+TEST(EffectChainTest, TextureBouncePreservesIdentity) {
+	float data[] = {
+		0.0f, 0.25f, 0.3f,
+		0.75f, 1.0f, 1.0f,
+	};
+	float out_data[6];
+	EffectChainTester tester(data, 3, 2, COLORSPACE_sRGB, GAMMA_LINEAR);
+	tester.get_chain()->add_effect(new BouncingIdentityEffect());
+	tester.run(out_data, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+	expect_equal(data, out_data, 3, 2);
+}
+
+TEST(MirrorTest, BasicTest) {
+	float data[] = {
+		0.0f, 0.25f, 0.3f,
+		0.75f, 1.0f, 1.0f,
+	};
+	float expected_data[6] = {
+		0.3f, 0.25f, 0.0f,
+		1.0f, 1.0f, 0.75f,
+	};
+	float out_data[6];
+	EffectChainTester tester(data, 3, 2, COLORSPACE_sRGB, GAMMA_LINEAR);
+	tester.get_chain()->add_effect(new MirrorEffect());
+	tester.run(out_data, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+	expect_equal(expected_data, out_data, 3, 2);
+}