class IdentityEffect : public Effect {
public:
IdentityEffect() {}
- virtual string effect_type_id() const { return "IdentityEffect"; }
- string output_fragment_shader() { return read_file("identity.frag"); }
+ string effect_type_id() const override { return "IdentityEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
};
TEST(EffectChainTest, Identity) {
class BouncingIdentityEffect : public Effect {
public:
BouncingIdentityEffect() {}
- virtual string effect_type_id() const { return "IdentityEffect"; }
- string output_fragment_shader() { return read_file("identity.frag"); }
- bool needs_texture_bounce() const { return true; }
- AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+ string effect_type_id() const override { return "IdentityEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
+ bool needs_texture_bounce() const override { return true; }
+ AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
};
TEST(EffectChainTest, TextureBouncePreservesIdentity) {
class InvertEffect : public Effect {
public:
InvertEffect() {}
- virtual string effect_type_id() const { return "InvertEffect"; }
- string output_fragment_shader() { return read_file("invert_effect.frag"); }
+ string effect_type_id() const override { return "InvertEffect"; }
+ string output_fragment_shader() override { return read_file("invert_effect.frag"); }
// A real invert would actually care about its alpha,
// but in this unit test, it only complicates things.
- virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+ AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
};
// Like IdentityEffect, but rewrites itself out of the loop,
template<class T>
class RewritingEffect : public Effect {
public:
- RewritingEffect() : effect(new T()), replaced_node(NULL) {}
- virtual string effect_type_id() const { return "RewritingEffect[" + effect->effect_type_id() + "]"; }
- string output_fragment_shader() { EXPECT_TRUE(false); return read_file("identity.frag"); }
- virtual void rewrite_graph(EffectChain *graph, Node *self) {
+ RewritingEffect() : effect(new T()), replaced_node(nullptr) {}
+ string effect_type_id() const override { return "RewritingEffect[" + effect->effect_type_id() + "]"; }
+ string output_fragment_shader() override { EXPECT_TRUE(false); return read_file("identity.frag"); }
+ void rewrite_graph(EffectChain *graph, Node *self) override {
replaced_node = graph->add_node(effect);
graph->replace_receiver(self, replaced_node);
graph->replace_sender(self, replaced_node);
0.0000f, 0.0000f, 0.0000f, 1.0000f
};
float out_data[4 * 4];
- EffectChainTester tester(NULL, 1, 4);
+ EffectChainTester tester(nullptr, 1, 4);
tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
RewritingEffect<InvertEffect> *effect = new RewritingEffect<InvertEffect>();
tester.get_chain()->add_effect(effect);
: FlatInput(format, pixel_format, type, width, height),
overridden_color_space(format.color_space),
overridden_gamma_curve(format.gamma_curve) {}
- virtual string effect_type_id() const { return "UnknownColorspaceInput"; }
+ string effect_type_id() const override { return "UnknownColorspaceInput"; }
void set_color_space(Colorspace colorspace) {
overridden_color_space = colorspace;
void set_gamma_curve(GammaCurve gamma_curve) {
overridden_gamma_curve = gamma_curve;
}
- Colorspace get_color_space() const { return overridden_color_space; }
- GammaCurve get_gamma_curve() const { return overridden_gamma_curve; }
+ Colorspace get_color_space() const override { return overridden_color_space; }
+ GammaCurve get_gamma_curve() const override { return overridden_gamma_curve; }
private:
Colorspace overridden_color_space;
};
float out_data[size];
- EffectChainTester tester(NULL, 4, 1, FORMAT_GRAYSCALE);
+ EffectChainTester tester(nullptr, 4, 1, FORMAT_GRAYSCALE);
// First say that we have sRGB, linear input.
ImageFormat format;
expected_data[i] = i / 255.0;
};
float out_data[256];
- EffectChainTester tester(NULL, 256, 1);
+ EffectChainTester tester(nullptr, 256, 1);
tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB);
tester.get_chain()->add_effect(new IdentityEffect());
tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_sRGB);
class BlueInput : public Input {
public:
BlueInput() { register_int("needs_mipmaps", &needs_mipmaps); }
- virtual string effect_type_id() const { return "IdentityEffect"; }
- string output_fragment_shader() { return read_file("blue.frag"); }
- virtual AlphaHandling alpha_handling() const { return OUTPUT_BLANK_ALPHA; }
- virtual void finalize() {}
- virtual bool can_output_linear_gamma() const { return true; }
- virtual unsigned get_width() const { return 1; }
- virtual unsigned get_height() const { return 1; }
- virtual Colorspace get_color_space() const { return COLORSPACE_sRGB; }
- virtual GammaCurve get_gamma_curve() const { return GAMMA_LINEAR; }
+ string effect_type_id() const override { return "IdentityEffect"; }
+ string output_fragment_shader() override { return read_file("blue.frag"); }
+ AlphaHandling alpha_handling() const override { return OUTPUT_BLANK_ALPHA; }
+ bool can_output_linear_gamma() const override { return true; }
+ unsigned get_width() const override { return 1; }
+ unsigned get_height() const override { return 1; }
+ Colorspace get_color_space() const override { return COLORSPACE_sRGB; }
+ GammaCurve get_gamma_curve() const override { return GAMMA_LINEAR; }
private:
int needs_mipmaps;
// which outputs blank alpha.
class RewritingToBlueInput : public Input {
public:
- RewritingToBlueInput() : blue_node(NULL) { register_int("needs_mipmaps", &needs_mipmaps); }
- virtual string effect_type_id() const { return "RewritingToBlueInput"; }
- string output_fragment_shader() { EXPECT_TRUE(false); return read_file("identity.frag"); }
- virtual void rewrite_graph(EffectChain *graph, Node *self) {
+ RewritingToBlueInput() : blue_node(nullptr) { register_int("needs_mipmaps", &needs_mipmaps); }
+ string effect_type_id() const override { return "RewritingToBlueInput"; }
+ string output_fragment_shader() override { EXPECT_TRUE(false); return read_file("identity.frag"); }
+ void rewrite_graph(EffectChain *graph, Node *self) override {
Node *blue_node = graph->add_node(new BlueInput());
graph->replace_receiver(self, blue_node);
graph->replace_sender(self, blue_node);
// Dummy values that we need to implement because we inherit from Input.
// Same as BlueInput.
- virtual AlphaHandling alpha_handling() const { return OUTPUT_BLANK_ALPHA; }
- virtual void finalize() {}
- virtual bool can_output_linear_gamma() const { return true; }
- virtual unsigned get_width() const { return 1; }
- virtual unsigned get_height() const { return 1; }
- virtual Colorspace get_color_space() const { return COLORSPACE_sRGB; }
- virtual GammaCurve get_gamma_curve() const { return GAMMA_LINEAR; }
+ AlphaHandling alpha_handling() const override { return OUTPUT_BLANK_ALPHA; }
+ bool can_output_linear_gamma() const override { return true; }
+ unsigned get_width() const override { return 1; }
+ unsigned get_height() const override { return 1; }
+ Colorspace get_color_space() const override { return COLORSPACE_sRGB; }
+ GammaCurve get_gamma_curve() const override { return GAMMA_LINEAR; }
Node *blue_node;
0.0f, 0.0f, 1.0f, 1.0f,
};
float out_data[4 * size];
- EffectChainTester tester(NULL, size, 1);
+ EffectChainTester tester(nullptr, size, 1);
RewritingToBlueInput *input = new RewritingToBlueInput();
tester.get_chain()->add_input(input);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR, OUTPUT_ALPHA_FORMAT_PREMULTIPLIED);
class BlankAlphaPreservingEffect : public Effect {
public:
BlankAlphaPreservingEffect() {}
- virtual string effect_type_id() const { return "BlankAlphaPreservingEffect"; }
- string output_fragment_shader() { return read_file("identity.frag"); }
- virtual AlphaHandling alpha_handling() const { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
+ string effect_type_id() const override { return "BlankAlphaPreservingEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
+ AlphaHandling alpha_handling() const override { return INPUT_PREMULTIPLIED_ALPHA_KEEP_BLANK; }
};
TEST(EffectChainTest, NoAlphaConversionsWithBlankAlphaPreservingEffect) {
0.0f, 0.0f, 1.0f, 1.0f,
};
float out_data[4 * size];
- EffectChainTester tester(NULL, size, 1);
+ EffectChainTester tester(nullptr, size, 1);
tester.get_chain()->add_input(new BlueInput());
tester.get_chain()->add_effect(new BlankAlphaPreservingEffect());
RewritingEffect<MirrorEffect> *effect = new RewritingEffect<MirrorEffect>();
0.0f, 0.0f, 1.0f, 1.0f,
};
float out_data[4 * size];
- EffectChainTester tester(NULL, size, 1);
+ EffectChainTester tester(nullptr, size, 1);
tester.get_chain()->add_input(new BlueInput());
tester.get_chain()->add_effect(new IdentityEffect()); // Not BlankAlphaPreservingEffect.
RewritingEffect<MirrorEffect> *effect = new RewritingEffect<MirrorEffect>();
class MipmapNeedingEffect : public Effect {
public:
MipmapNeedingEffect() {}
- virtual bool needs_mipmaps() const { return true; }
+ bool needs_mipmaps() const override { return true; }
// To be allowed to mess with the sampler state.
- virtual bool needs_texture_bounce() const { return true; }
+ bool needs_texture_bounce() const override { return true; }
- virtual string effect_type_id() const { return "MipmapNeedingEffect"; }
- string output_fragment_shader() { return read_file("mipmap_needing_effect.frag"); }
- virtual void inform_added(EffectChain *chain) { this->chain = chain; }
+ string effect_type_id() const override { return "MipmapNeedingEffect"; }
+ string output_fragment_shader() override { return read_file("mipmap_needing_effect.frag"); }
+ void inform_added(EffectChain *chain) override { this->chain = chain; }
- void set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num)
+ void set_gl_state(GLuint glsl_program_num, const string& prefix, unsigned *sampler_num) override
{
Node *self = chain->find_node_for_effect(this);
glActiveTexture(chain->get_input_sampler(self, 0));
NonMipmapCapableInput(ImageFormat format, MovitPixelFormat pixel_format, GLenum type, unsigned width, unsigned height)
: FlatInput(format, pixel_format, type, width, height) {}
- virtual bool can_supply_mipmaps() const { return false; }
- bool set_int(const std::string& key, int value) {
+ bool can_supply_mipmaps() const override { return false; }
+ bool set_int(const std::string& key, int value) override {
if (key == "needs_mipmaps") {
assert(value == 0);
}
0.25f, 0.25f, 0.25f, 0.25f,
};
float out_data[4 * 16];
- EffectChainTester tester(NULL, 4, 16, FORMAT_GRAYSCALE);
+ EffectChainTester tester(nullptr, 4, 16, FORMAT_GRAYSCALE);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
class AddEffect : public Effect {
public:
AddEffect() {}
- virtual string effect_type_id() const { return "AddEffect"; }
- string output_fragment_shader() { return read_file("add.frag"); }
- virtual unsigned num_inputs() const { return 2; }
- virtual AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+ string effect_type_id() const override { return "AddEffect"; }
+ string output_fragment_shader() override { return read_file("add.frag"); }
+ unsigned num_inputs() const override { return 2; }
+ AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
};
// Constructs the graph
MultiplyEffect *mul_two = new MultiplyEffect();
ASSERT_TRUE(mul_two->set_vec4("factor", two));
- EffectChainTester tester(NULL, 2, 2);
+ EffectChainTester tester(nullptr, 2, 2);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
BouncingIdentityEffect *bounce = new BouncingIdentityEffect();
- EffectChainTester tester(NULL, 2, 2);
+ EffectChainTester tester(nullptr, 2, 2);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
};
float out_data[2 * 2];
- EffectChainTester tester(NULL, 2, 2);
+ EffectChainTester tester(nullptr, 2, 2);
tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_sRGB);
// MirrorEffect does not get linear light, so the conversions will be
};
float out_data[2 * 2];
- EffectChainTester tester(NULL, 2, 2);
+ EffectChainTester tester(nullptr, 2, 2);
tester.add_input(data, FORMAT_GRAYSCALE, COLORSPACE_REC_601_625, GAMMA_LINEAR);
// MirrorEffect does not get linear light, so the conversions will be
class SizeStoringEffect : public BouncingIdentityEffect {
public:
SizeStoringEffect() : input_width(-1), input_height(-1) {}
- virtual void inform_input_size(unsigned input_num, unsigned width, unsigned height) {
+ void inform_input_size(unsigned input_num, unsigned width, unsigned height) override {
assert(input_num == 0);
input_width = width;
input_height = height;
}
- virtual string effect_type_id() const { return "SizeStoringEffect"; }
+ string effect_type_id() const override { return "SizeStoringEffect"; }
int input_width, input_height;
};
};
float out_data[4 * 3];
- EffectChainTester tester(NULL, 4, 3); // Note non-square aspect.
+ EffectChainTester tester(nullptr, 4, 3); // Note non-square aspect.
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
// (keep the height, round the width 9.333 to 9).
float out_data[9 * 7];
- EffectChainTester tester(NULL, 4, 3);
+ EffectChainTester tester(nullptr, 4, 3);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, 1, size);
input->set_pixel_data(data);
- EffectChainTester tester(NULL, 1, size);
+ EffectChainTester tester(nullptr, 1, size);
tester.get_chain()->add_input(new BlueInput());
Effect *phase1_end = tester.get_chain()->add_effect(new BouncingIdentityEffect());
tester.get_chain()->add_input(input);
height(height),
virtual_width(virtual_width),
virtual_height(virtual_height) {}
- virtual string effect_type_id() const { return "VirtualResizeEffect"; }
- string output_fragment_shader() { return read_file("identity.frag"); }
+ string effect_type_id() const override { return "VirtualResizeEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
- virtual bool changes_output_size() const { return true; }
+ bool changes_output_size() const override { return true; }
- virtual void get_output_size(unsigned *width, unsigned *height,
- unsigned *virtual_width, unsigned *virtual_height) const {
+ void get_output_size(unsigned *width, unsigned *height,
+ unsigned *virtual_width, unsigned *virtual_height) const override {
*width = this->width;
*height = this->height;
*virtual_width = this->virtual_width;
public:
NonVirtualResizeEffect(int width, int height)
: VirtualResizeEffect(width, height, width, height) {}
- virtual string effect_type_id() const { return "NonVirtualResizeEffect"; }
- virtual bool sets_virtual_output_size() const { return false; }
+ string effect_type_id() const override { return "NonVirtualResizeEffect"; }
+ bool sets_virtual_output_size() const override { return false; }
+};
+
+class WithAndWithoutComputeShaderTest : public testing::TestWithParam<string> {
+};
+INSTANTIATE_TEST_CASE_P(WithAndWithoutComputeShaderTest,
+ WithAndWithoutComputeShaderTest,
+ testing::Values("fragment", "compute"));
+
+// An effect that does nothing, but as a compute shader.
+class IdentityComputeEffect : public Effect {
+public:
+ IdentityComputeEffect() {}
+ virtual string effect_type_id() const { return "IdentityComputeEffect"; }
+ virtual bool is_compute_shader() const { return true; }
+ string output_fragment_shader() { return read_file("identity.comp"); }
};
// An effect that promises one-to-one sampling (unlike IdentityEffect).
class OneToOneEffect : public Effect {
public:
OneToOneEffect() {}
- virtual string effect_type_id() const { return "OneToOneEffect"; }
- string output_fragment_shader() { return read_file("identity.frag"); }
- virtual bool one_to_one_sampling() const { return true; }
+ string effect_type_id() const override { return "OneToOneEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
+ bool strong_one_to_one_sampling() const override { return true; }
};
-TEST(EffectChainTest, NoBounceWithOneToOneSampling) {
+TEST_P(WithAndWithoutComputeShaderTest, NoBounceWithOneToOneSampling) {
const int size = 2;
float data[size * size] = {
1.0f, 0.0f,
RewritingEffect<OneToOneEffect> *effect1 = new RewritingEffect<OneToOneEffect>();
RewritingEffect<OneToOneEffect> *effect2 = new RewritingEffect<OneToOneEffect>();
- tester.get_chain()->add_effect(new NonVirtualResizeEffect(size, size));
+ if (GetParam() == "compute") {
+ tester.get_chain()->add_effect(new IdentityComputeEffect());
+ } else {
+ tester.get_chain()->add_effect(new NonVirtualResizeEffect(size, size));
+ }
tester.get_chain()->add_effect(effect1);
tester.get_chain()->add_effect(effect2);
tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
check_error();
glBindTexture(GL_TEXTURE_2D, texnum);
check_error();
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, height, 0, GL_RGBA, GL_FLOAT, NULL);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, width, height, 0, GL_RGBA, GL_FLOAT, nullptr);
check_error();
glGenFramebuffers(1, &fbo);
class PrintfingBlueEffect : public Effect {
public:
PrintfingBlueEffect() {}
- virtual string effect_type_id() const { return "PrintfingBlueEffect"; }
- string output_fragment_shader() {
+ string effect_type_id() const override { return "PrintfingBlueEffect"; }
+ string output_fragment_shader() override {
stringstream ss;
ss.imbue(locale("C"));
ss.precision(8);
// setlocale() behind-the-scenes, and that might corrupt the returned
// pointer, so we need to take our own copy of it here.
char *saved_locale = setlocale(LC_ALL, "nb_NO.UTF_8");
- if (saved_locale == NULL) {
+ if (saved_locale == nullptr) {
// The locale wasn't available.
return;
}
class PassThroughEffect : public IdentityEffect {
public:
PassThroughEffect() {}
- virtual string effect_type_id() const { return "PassThroughEffect"; }
- virtual bool needs_linear_light() const { return false; }
- AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+ string effect_type_id() const override { return "PassThroughEffect"; }
+ bool needs_linear_light() const override { return false; }
+ AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
};
// Same, just also bouncing.
class BouncingPassThroughEffect : public BouncingIdentityEffect {
public:
BouncingPassThroughEffect() {}
- virtual string effect_type_id() const { return "BouncingPassThroughEffect"; }
- virtual bool needs_linear_light() const { return false; }
- bool needs_texture_bounce() const { return true; }
- AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+ string effect_type_id() const override { return "BouncingPassThroughEffect"; }
+ bool needs_linear_light() const override { return false; }
+ bool needs_texture_bounce() const override { return true; }
+ AlphaHandling alpha_handling() const override { return DONT_CARE_ALPHA_TYPE; }
};
TEST(EffectChainTest, Linear10bitIntermediateAccuracy) {
expect_equal(linear_data, out_data, size, 1, 7.5e-3, 2e-5);
}
-TEST(EffectChainTest, SquareRoot10bitIntermediateAccuracy) {
+TEST_P(WithAndWithoutComputeShaderTest, SquareRoot10bitIntermediateAccuracy) {
// Note that we do the comparison in sRGB space, which is what we
// typically would want; however, we do the sRGB conversion ourself
// to avoid compounding errors from shader conversions into the
EffectChainTester tester(data, size, 1, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR, GL_RGBA32F);
tester.get_chain()->set_intermediate_format(GL_RGB10_A2, SQUARE_ROOT_FRAMEBUFFER_TRANSFORMATION);
- tester.get_chain()->add_effect(new IdentityEffect());
+ if (GetParam() == "compute") {
+ tester.get_chain()->add_effect(new IdentityComputeEffect());
+ } else {
+ tester.get_chain()->add_effect(new IdentityEffect());
+ }
tester.get_chain()->add_effect(new BouncingIdentityEffect());
tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
class RecordingIdentityEffect : public Effect {
public:
RecordingIdentityEffect() {}
- virtual string effect_type_id() const { return "RecordingIdentityEffect"; }
- string output_fragment_shader() { return read_file("identity.frag"); }
+ string effect_type_id() const override { return "RecordingIdentityEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
GLuint last_glsl_program_num;
- void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num)
+ void set_gl_state(GLuint glsl_program_num, const std::string& prefix, unsigned *sampler_num) override
{
last_glsl_program_num = glsl_program_num;
}
expect_equal(data, out_data, 3, 2);
}
+TEST(ComputeShaderTest, Identity) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f,
+ 0.75f, 1.0f, 1.0f,
+ };
+ float out_data[6];
+ EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR);
+ if (!movit_compute_shaders_supported) {
+ fprintf(stderr, "Skipping test; no support for compile shaders.\n");
+ return;
+ }
+ tester.get_chain()->add_effect(new IdentityComputeEffect());
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ expect_equal(data, out_data, 3, 2);
+}
+
+// Like IdentityComputeEffect, but due to the alpha handling, this will be
+// the very last effect in the chain, which means we can't output it directly
+// to the screen.
+class IdentityAlphaComputeEffect : public IdentityComputeEffect {
+ AlphaHandling alpha_handling() const { return DONT_CARE_ALPHA_TYPE; }
+};
+
+TEST(ComputeShaderTest, LastEffectInChain) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f,
+ 0.75f, 1.0f, 1.0f,
+ };
+ float out_data[6];
+ EffectChainTester tester(data, 3, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR);
+ if (!movit_compute_shaders_supported) {
+ fprintf(stderr, "Skipping test; no support for compile shaders.\n");
+ return;
+ }
+ tester.get_chain()->add_effect(new IdentityAlphaComputeEffect());
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ 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);
+}
+
+// A compute shader to mirror the inputs, in 2x2 blocks.
+class MirrorComputeEffect : public Effect {
+public:
+ MirrorComputeEffect() {}
+ string effect_type_id() const override { return "MirrorComputeEffect"; }
+ bool is_compute_shader() const override { return true; }
+ string output_fragment_shader() override { return read_file("mirror.comp"); }
+ void get_compute_dimensions(unsigned output_width, unsigned output_height,
+ unsigned *x, unsigned *y, unsigned *z) const override {
+ *x = output_width / 2;
+ *y = output_height / 2;
+ *z = 1;
+ }
+};
+
+TEST(ComputeShaderTest, ComputeThenOneToOne) {
+ float data[] = {
+ 0.0f, 0.25f, 0.3f, 0.8f,
+ 0.75f, 1.0f, 1.0f, 0.2f,
+ };
+ float expected_data[] = {
+ 0.8f, 0.3f, 0.25f, 0.0f,
+ 0.2f, 1.0f, 1.0f, 0.75f,
+ };
+ float out_data[8];
+ EffectChainTester tester(data, 4, 2, FORMAT_GRAYSCALE, COLORSPACE_sRGB, GAMMA_LINEAR);
+ tester.get_chain()->add_effect(new MirrorComputeEffect());
+ tester.get_chain()->add_effect(new OneToOneEffect());
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ expect_equal(expected_data, out_data, 4, 2);
+}
+
} // namespace movit
projects / movit / blobdiff