private:
const MipmapRequirements mipmap_requirements;
- EffectChain *chain;
float offset[2] { 0.0f, 0.0f };
};
EXPECT_EQ(1u, phase->output_height);
}
+class StrongOneToOneAddEffect : public AddEffect {
+public:
+ StrongOneToOneAddEffect() {}
+ string effect_type_id() const override { return "StrongOneToOneAddEffect"; }
+ bool strong_one_to_one_sampling() const override { return true; }
+};
+
+TEST(ComputeShaderTest, NoTwoComputeInSamePhase) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f, 0.8f,
+ 0.75f, 1.0f, 1.0f, 0.2f,
+ };
+ float expected_data[] = {
+ 0.0f, 0.3f,
+ };
+ float out_data[2];
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ EffectChainTester tester(nullptr, 2, 1);
+
+ FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input1->set_pixel_data(data);
+ tester.get_chain()->add_input(input1);
+ Effect *downscale1 = tester.get_chain()->add_effect(new Downscale2xComputeEffect());
+
+ FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input2->set_pixel_data(data);
+ tester.get_chain()->add_input(input2);
+ Effect *downscale2 = tester.get_chain()->add_effect(new Downscale2xComputeEffect());
+
+ tester.get_chain()->add_effect(new StrongOneToOneAddEffect(), downscale1, downscale2);
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+ expect_equal(expected_data, out_data, 2, 1);
+}
+
+// Like the previous test, but the adder effect is not directly connected
+// to the compute shaders (so the status has to be propagated through those effects).
+TEST(ComputeShaderTest, NoTwoComputeInSamePhaseIndirect) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f, 0.8f,
+ 0.75f, 1.0f, 1.0f, 0.2f,
+ };
+ float expected_data[] = {
+ 0.0f, 0.3f,
+ };
+ float out_data[2];
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ EffectChainTester tester(nullptr, 2, 1);
+
+ FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input1->set_pixel_data(data);
+ tester.get_chain()->add_input(input1);
+ tester.get_chain()->add_effect(new Downscale2xComputeEffect());
+ Effect *identity1 = tester.get_chain()->add_effect(new OneToOneEffect());
+
+ FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input2->set_pixel_data(data);
+ tester.get_chain()->add_input(input2);
+ tester.get_chain()->add_effect(new Downscale2xComputeEffect());
+ Effect *identity2 = tester.get_chain()->add_effect(new OneToOneEffect());
+
+ tester.get_chain()->add_effect(new StrongOneToOneAddEffect(), identity1, identity2);
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+ expect_equal(expected_data, out_data, 2, 1);
+}
+
+// Like the previous test, but the adder is not strong one-to-one
+// (so there are two different compute shader inputs, but none of them
+// are in the same phase).
+TEST(ComputeShaderTest, BounceTextureFromTwoComputeShaders) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f, 0.8f,
+ 0.75f, 1.0f, 1.0f, 0.2f,
+ };
+ float expected_data[] = {
+ 0.0f, 0.3f,
+ };
+ float out_data[2];
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ EffectChainTester tester(nullptr, 2, 1);
+
+ FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input1->set_pixel_data(data);
+ tester.get_chain()->add_input(input1);
+ tester.get_chain()->add_effect(new Downscale2xComputeEffect());
+ Effect *identity1 = tester.get_chain()->add_effect(new OneToOneEffect());
+
+ FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input2->set_pixel_data(data);
+ tester.get_chain()->add_input(input2);
+ tester.get_chain()->add_effect(new Downscale2xComputeEffect());
+ Effect *identity2 = tester.get_chain()->add_effect(new OneToOneEffect());
+
+ tester.get_chain()->add_effect(new AddEffect(), identity1, identity2);
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+ expect_equal(expected_data, out_data, 2, 1);
+}
+
+// Requires mipmaps, but is otherwise like IdentityEffect.
+class MipmapNeedingIdentityEffect : public IdentityEffect {
+public:
+ MipmapNeedingIdentityEffect() {}
+ MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; }
+ string effect_type_id() const override { return "MipmapNeedingIdentityEffect"; }
+ bool strong_one_to_one_sampling() const override { return true; }
+};
+
+TEST(ComputeShaderTest, StrongOneToOneButStillNotChained) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f, 0.8f,
+ 0.75f, 1.0f, 1.0f, 0.2f,
+ };
+ float out_data[8];
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ EffectChainTester tester(nullptr, 4, 2);
+
+ FlatInput *input1 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input1->set_pixel_data(data);
+ tester.get_chain()->add_input(input1);
+ Effect *compute_effect = tester.get_chain()->add_effect(new IdentityComputeEffect());
+
+ FlatInput *input2 = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 4, 2);
+ input2->set_pixel_data(data);
+ tester.get_chain()->add_input(input2);
+
+ // Not chained with the compute shader because MipmapNeedingIdentityEffect comes in
+ // the same phase, and compute shaders cannot supply mipmaps.
+ tester.get_chain()->add_effect(new StrongOneToOneAddEffect(), compute_effect, input2);
+ tester.get_chain()->add_effect(new MipmapNeedingIdentityEffect());
+
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+ expect_equal(data, out_data, 4, 2);
+}
+
+TEST(EffectChainTest, BounceResetsMipmapNeeds) {
+ float data[] = {
+ 0.0f, 0.25f,
+ 0.75f, 1.0f,
+ };
+ float out_data[1];
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ NonMipmapCapableInput *input = new NonMipmapCapableInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 2, 2);
+ input->set_pixel_data(data);
+
+ RewritingEffect<IdentityEffect> *identity = new RewritingEffect<IdentityEffect>();
+
+ RewritingEffect<ResizeEffect> *downscale = new RewritingEffect<ResizeEffect>(); // Needs mipmaps.
+ ASSERT_TRUE(downscale->effect->set_int("width", 1));
+ ASSERT_TRUE(downscale->effect->set_int("height", 1));
+
+ EffectChainTester tester(nullptr, 1, 1);
+ tester.get_chain()->add_input(input);
+ tester.get_chain()->add_effect(identity);
+ tester.get_chain()->add_effect(downscale);
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ Node *input_node = identity->replaced_node->incoming_links[0];
+
+ // The ResizeEffect needs mipmaps. Normally, that would mean that it should
+ // propagate this tatus down through the IdentityEffect. However, since we
+ // bounce (due to the resize), the dependency breaks there, and we don't
+ // need to bounce again between the input and the IdentityEffect.
+ EXPECT_EQ(input_node->containing_phase,
+ identity->replaced_node->containing_phase);
+ EXPECT_NE(identity->replaced_node->containing_phase,
+ downscale->replaced_node->containing_phase);
+}
+
} // namespace movit
projects / movit / blobdiff