X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=flat_input_test.cpp;h=8358dcf17c7084b06ae1913938ff34c3b1c1fea6;hp=db03bd0aa05baa74f1bcb9a278216ef4243b538b;hb=f5e3256da7d8e3a56c002da47bedf8ec1a2133f4;hpb=b10c546f579c7ccb5939161e61a71cd18a3f9bbd diff --git a/flat_input_test.cpp b/flat_input_test.cpp index db03bd0..8358dcf 100644 --- a/flat_input_test.cpp +++ b/flat_input_test.cpp @@ -1,8 +1,18 @@ // Unit tests for FlatInput. -#include "test_util.h" -#include "gtest/gtest.h" +#include +#include + +#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; @@ -101,7 +111,7 @@ TEST(FlatInput, AlphaIsNotModifiedBySRGBConversion) { }; 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); @@ -177,7 +187,7 @@ TEST(FlatInput, Pitch) { }; float out_data[4 * width * height]; - EffectChainTester tester(NULL, width, height); + EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; @@ -204,7 +214,7 @@ TEST(FlatInput, UpdatedData) { }; float out_data[width * height]; - EffectChainTester tester(NULL, width, height); + EffectChainTester tester(nullptr, width, height); ImageFormat format; format.color_space = COLORSPACE_sRGB; @@ -223,3 +233,182 @@ TEST(FlatInput, UpdatedData) { 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