// // Copyright 2015 The ANGLE Project Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // // ETCTextureTest: // Tests for ETC lossy decode formats. // #include "test_utils/ANGLETest.h" using namespace angle; namespace { class ETCTextureTest : public ANGLETest { protected: ETCTextureTest() : mTexture(0u) { setWindowWidth(128); setWindowHeight(128); setConfigRedBits(8); setConfigGreenBits(8); setConfigBlueBits(8); setConfigAlphaBits(8); } void testSetUp() override { glGenTextures(1, &mTexture); ASSERT_GL_NO_ERROR(); } void testTearDown() override { glDeleteTextures(1, &mTexture); } GLuint mTexture; }; // Tests a texture with ETC1 lossy decode format TEST_P(ETCTextureTest, ETC1Validation) { bool supported = IsGLExtensionEnabled("GL_ANGLE_lossy_etc_decode"); glBindTexture(GL_TEXTURE_2D, mTexture); GLubyte pixel[8] = {0x0, 0x0, 0xf8, 0x2, 0x43, 0xff, 0x4, 0x12}; glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, 4, 4, 0, sizeof(pixel), pixel); if (supported) { EXPECT_GL_NO_ERROR(); glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 4, 4, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, 2, 2, 0, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_ETC1_RGB8_LOSSY_DECODE_ANGLE, 1, 1, 0, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); } else { EXPECT_GL_ERROR(GL_INVALID_ENUM); } } // Tests a texture with ETC2 RGB8 lossy decode format TEST_P(ETCTextureTest, ETC2RGB8Validation) { bool supported = IsGLExtensionEnabled("GL_ANGLE_lossy_etc_decode"); glBindTexture(GL_TEXTURE_2D, mTexture); GLubyte pixel[] = { 0x00, 0x00, 0xf8, 0x02, 0x43, 0xff, 0x04, 0x12, // Individual/differential block 0x1c, 0x65, 0xc6, 0x62, 0xff, 0xf0, 0xff, 0x00, // T block 0x62, 0xf2, 0xe3, 0x32, 0xff, 0x0f, 0xff, 0x00, // H block 0x71, 0x88, 0xfb, 0xee, 0x87, 0x07, 0x11, 0x1f // Planar block }; glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 8, 8, 0, sizeof(pixel), pixel); if (supported) { EXPECT_GL_NO_ERROR(); glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 8, 8, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); const GLsizei imageSize = 8; glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 2, 2, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_RGB8_LOSSY_DECODE_ETC2_ANGLE, 1, 1, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); } else { EXPECT_GL_ERROR(GL_INVALID_ENUM); } } // Tests a texture with ETC2 SRGB8 lossy decode format TEST_P(ETCTextureTest, ETC2SRGB8Validation) { bool supported = IsGLExtensionEnabled("GL_ANGLE_lossy_etc_decode"); glBindTexture(GL_TEXTURE_2D, mTexture); GLubyte pixel[] = { 0x00, 0x00, 0xf8, 0x02, 0x43, 0xff, 0x04, 0x12, // Individual/differential block 0x1c, 0x65, 0xc6, 0x62, 0xff, 0xf0, 0xff, 0x00, // T block 0x62, 0xf2, 0xe3, 0x32, 0xff, 0x0f, 0xff, 0x00, // H block 0x71, 0x88, 0xfb, 0xee, 0x87, 0x07, 0x11, 0x1f // Planar block }; glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 8, 8, 0, sizeof(pixel), pixel); if (supported) { EXPECT_GL_NO_ERROR(); glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 8, 8, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); const GLsizei imageSize = 8; glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 2, 2, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_SRGB8_LOSSY_DECODE_ETC2_ANGLE, 1, 1, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); } else { EXPECT_GL_ERROR(GL_INVALID_ENUM); } } // Tests a texture with ETC2 RGB8 punchthrough A1 lossy decode format TEST_P(ETCTextureTest, ETC2RGB8A1Validation) { bool supported = IsGLExtensionEnabled("GL_ANGLE_lossy_etc_decode"); glBindTexture(GL_TEXTURE_2D, mTexture); GLubyte pixel[] = { 0x80, 0x98, 0x59, 0x02, 0x6e, 0xe7, 0x44, 0x47, // Individual/differential block 0xeb, 0x85, 0x68, 0x30, 0x77, 0x73, 0x44, 0x44, // T block 0xb4, 0x05, 0xab, 0x92, 0xf8, 0x8c, 0x07, 0x73, // H block 0xbb, 0x90, 0x15, 0xba, 0x8a, 0x8c, 0xd5, 0x5f // Planar block }; glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 8, 8, 0, sizeof(pixel), pixel); if (supported) { EXPECT_GL_NO_ERROR(); glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 8, 8, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); const GLsizei imageSize = 8; glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 2, 2, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 1, 1, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); } else { EXPECT_GL_ERROR(GL_INVALID_ENUM); } } // Tests a texture with ETC2 SRGB8 punchthrough A1 lossy decode format TEST_P(ETCTextureTest, ETC2SRGB8A1Validation) { bool supported = IsGLExtensionEnabled("GL_ANGLE_lossy_etc_decode"); glBindTexture(GL_TEXTURE_2D, mTexture); GLubyte pixel[] = { 0x80, 0x98, 0x59, 0x02, 0x6e, 0xe7, 0x44, 0x47, // Individual/differential block 0xeb, 0x85, 0x68, 0x30, 0x77, 0x73, 0x44, 0x44, // T block 0xb4, 0x05, 0xab, 0x92, 0xf8, 0x8c, 0x07, 0x73, // H block 0xbb, 0x90, 0x15, 0xba, 0x8a, 0x8c, 0xd5, 0x5f // Planar block }; glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 8, 8, 0, sizeof(pixel), pixel); if (supported) { EXPECT_GL_NO_ERROR(); glCompressedTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 8, 8, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, sizeof(pixel), pixel); EXPECT_GL_NO_ERROR(); const GLsizei imageSize = 8; glCompressedTexImage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 4, 4, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 2, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 2, 2, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); glCompressedTexImage2D(GL_TEXTURE_2D, 3, GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_LOSSY_DECODE_ETC2_ANGLE, 1, 1, 0, imageSize, pixel); EXPECT_GL_NO_ERROR(); } else { EXPECT_GL_ERROR(GL_INVALID_ENUM); } } ANGLE_INSTANTIATE_TEST_ES2_AND_ES3(ETCTextureTest); } // anonymous namespace