// Unit tests for FlatInput.
-#include "test_util.h"
-#include "gtest/gtest.h"
+#include <epoxy/gl.h>
+#include <stddef.h>
+
+#include "effect_chain.h"
#include "flat_input.h"
+#include "gtest/gtest.h"
+#include "resource_pool.h"
+#include "test_util.h"
+#include "util.h"
+
+using namespace std;
+
+namespace movit {
TEST(FlatInput, SimpleGrayscale) {
const int size = 4;
};
float out_data[4 * size];
- EffectChainTester tester(NULL, 1, size);
+ EffectChainTester tester(nullptr, 1, size);
tester.add_input(data, FORMAT_RGBA_POSTMULTIPLIED_ALPHA, COLORSPACE_sRGB, GAMMA_sRGB);
tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
};
float out_data[4 * width * height];
- EffectChainTester tester(NULL, width, height);
+ EffectChainTester tester(nullptr, width, height);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
};
float out_data[width * height];
- EffectChainTester tester(NULL, width, height);
+ EffectChainTester tester(nullptr, width, height);
ImageFormat format;
format.color_space = COLORSPACE_sRGB;
tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
expect_equal(data, out_data, width, height);
}
+
+TEST(FlatInput, PBO) {
+ const int width = 3;
+ const int height = 2;
+
+ float data[width * height] = {
+ 0.0, 1.0, 0.5,
+ 0.5, 0.5, 0.2,
+ };
+ float expected_data[4 * width * height] = {
+ 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 0.5, 0.5, 0.5, 1.0,
+ 0.5, 0.5, 0.5, 1.0, 0.5, 0.5, 0.5, 1.0, 0.2, 0.2, 0.2, 1.0,
+ };
+ float out_data[4 * width * height];
+
+ GLuint pbo;
+ glGenBuffers(1, &pbo);
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, pbo);
+ glBufferData(GL_PIXEL_UNPACK_BUFFER_ARB, width * height * sizeof(float), data, GL_STREAM_DRAW);
+ glBindBuffer(GL_PIXEL_UNPACK_BUFFER_ARB, 0);
+
+ EffectChainTester tester(nullptr, width, height);
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
+ input->set_pixel_data((float *)BUFFER_OFFSET(0), pbo);
+ tester.get_chain()->add_input(input);
+
+ tester.run(out_data, GL_RGBA, COLORSPACE_sRGB, GAMMA_LINEAR);
+ expect_equal(expected_data, out_data, 4 * width, height);
+
+ 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(nullptr, 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);
+}
+
+// Just an IdentityEffect, but marks as needing mipmaps, so that we can use it
+// for downscaling to verify mipmaps were used.
+class MipmapNeedingEffect : public Effect {
+public:
+ MipmapNeedingEffect() {}
+ MipmapRequirements needs_mipmaps() const override { return NEEDS_MIPMAPS; }
+
+ string effect_type_id() const override { return "MipmapNeedingEffect"; }
+ string output_fragment_shader() override { return read_file("identity.frag"); }
+
+private:
+ EffectChain *chain;
+};
+
+TEST(FlatInput, ExternalTextureMipmapState) {
+ const int width = 4;
+ const int height = 4;
+
+ float data[width * height] = {
+ 1.0, 0.0, 0.0, 0.0,
+ 0.0, 0.0, 0.0, 0.0,
+ 0.0, 0.0, 0.0, 0.0,
+ 0.0, 0.0, 0.0, 0.0,
+ };
+ float expected_data[] = {
+ 0.0625,
+ };
+ float out_data[1];
+
+ EffectChainTester tester(nullptr, 1, 1, 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_R8, width, height);
+ check_error();
+ glBindTexture(GL_TEXTURE_2D, tex);
+ check_error();
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
+ check_error();
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+ check_error();
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_RED, 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();
+ glGenerateMipmap(GL_TEXTURE_2D);
+ check_error();
+
+ // Turn off mipmaps, so that we verify that Movit turns it back on.
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ check_error();
+
+ FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
+ input->set_texture_num(tex);
+ tester.get_chain()->add_input(input);
+ tester.get_chain()->add_effect(new MipmapNeedingEffect);
+
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ pool.release_2d_texture(tex);
+
+ expect_equal(expected_data, out_data, 1, 1);
+}
+
+TEST(FlatInput, NoData) {
+ const int width = 2;
+ const int height = 4;
+
+ float out_data[width * height];
+
+ EffectChainTester tester(nullptr, width, height);
+
+ ImageFormat format;
+ format.color_space = COLORSPACE_sRGB;
+ format.gamma_curve = GAMMA_LINEAR;
+
+ FlatInput *input = new FlatInput(format, FORMAT_GRAYSCALE, GL_FLOAT, width, height);
+ tester.get_chain()->add_input(input);
+
+ tester.run(out_data, GL_RED, COLORSPACE_sRGB, GAMMA_LINEAR);
+
+ // Don't care what the output was, just that it does not crash.
+}
+
+} // namespace movit
projects / movit / blobdiff