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-rw-r--r--gfx/angle/src/tests/gl_tests/CopyCompressedTextureTest.cpp369
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diff --git a/gfx/angle/src/tests/gl_tests/CopyCompressedTextureTest.cpp b/gfx/angle/src/tests/gl_tests/CopyCompressedTextureTest.cpp
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+++ b/gfx/angle/src/tests/gl_tests/CopyCompressedTextureTest.cpp
@@ -0,0 +1,369 @@
+//
+// Copyright 2016 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.
+//
+
+// CopyCompressedTextureTest.cpp: Tests of the GL_CHROMIUM_copy_compressed_texture extension
+
+#include "test_utils/ANGLETest.h"
+
+namespace angle
+{
+
+class CopyCompressedTextureTest : public ANGLETest
+{
+ protected:
+ CopyCompressedTextureTest()
+ {
+ setWindowWidth(256);
+ setWindowHeight(256);
+ setConfigRedBits(8);
+ setConfigGreenBits(8);
+ setConfigBlueBits(8);
+ setConfigAlphaBits(8);
+ }
+
+ void SetUp() override
+ {
+ ANGLETest::SetUp();
+
+ glGenTextures(2, mTextures);
+
+ mProgram = CompileProgram(
+ "attribute vec2 a_position;\n"
+ "varying vec2 v_texcoord;\n"
+ "void main()\n"
+ "{\n"
+ " gl_Position = vec4(a_position, 0.0, 1.0);\n"
+ " v_texcoord = (a_position + 1.0) * 0.5;\n"
+ "}\n",
+ "precision mediump float;\n"
+ "uniform sampler2D u_texture;\n"
+ "varying vec2 v_texcoord;\n"
+ "void main()\n"
+ "{\n"
+ " gl_FragColor = texture2D(u_texture, v_texcoord);\n"
+ "}\n");
+ ASSERT_NE(0u, mProgram);
+
+ if (extensionEnabled("GL_CHROMIUM_copy_compressed_texture"))
+ {
+ glCompressedCopyTextureCHROMIUM =
+ reinterpret_cast<PFNGLCOMPRESSEDCOPYTEXTURECHROMIUMPROC>(
+ eglGetProcAddress("glCompressedCopyTextureCHROMIUM"));
+ }
+ }
+
+ void TearDown() override
+ {
+ glDeleteTextures(2, mTextures);
+ glDeleteProgram(mProgram);
+
+ ANGLETest::TearDown();
+ }
+
+ bool checkExtensions() const
+ {
+ if (!extensionEnabled("GL_CHROMIUM_copy_compressed_texture"))
+ {
+ std::cout
+ << "Test skipped because GL_CHROMIUM_copy_compressed_texture is not available."
+ << std::endl;
+ return false;
+ }
+
+ EXPECT_NE(nullptr, glCompressedCopyTextureCHROMIUM);
+ if (glCompressedCopyTextureCHROMIUM == nullptr)
+ {
+ return false;
+ }
+
+ return true;
+ }
+
+ GLuint mProgram = 0;
+ GLuint mTextures[2] = {0, 0};
+
+ PFNGLCOMPRESSEDCOPYTEXTURECHROMIUMPROC glCompressedCopyTextureCHROMIUM = nullptr;
+};
+
+namespace
+{
+
+const GLColor &CompressedImageColor = GLColor::red;
+
+// Single compressed ATC block of source pixels all set to:
+// CompressedImageColor.
+const uint8_t CompressedImageATC[8] = {0x0, 0x7c, 0x0, 0xf8, 0x55, 0x55, 0x55, 0x55};
+
+// Single compressed ATCIA block of source pixels all set to:
+// CompressedImageColor.
+const uint8_t CompressedImageATCIA[16] = {0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0x7c, 0x0, 0xf8, 0x55, 0x55, 0x55, 0x55};
+
+// Single compressed DXT1 block of source pixels all set to:
+// CompressedImageColor.
+const uint8_t CompressedImageDXT1[8] = {0x00, 0xf8, 0x00, 0xf8, 0xaa, 0xaa, 0xaa, 0xaa};
+
+// Single compressed DXT5 block of source pixels all set to:
+// CompressedImageColor.
+const uint8_t CompressedImageDXT5[16] = {0xff, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+ 0x0, 0xf8, 0x0, 0xf8, 0xaa, 0xaa, 0xaa, 0xaa};
+
+// Single compressed DXT1 block of source pixels all set to:
+// CompressedImageColor.
+const uint8_t CompressedImageETC1[8] = {0x0, 0x0, 0xf8, 0x2, 0xff, 0xff, 0x0, 0x0};
+
+} // anonymous namespace
+
+// Test to ensure that the basic functionality of the extension works.
+TEST_P(CopyCompressedTextureTest, Basic)
+{
+ if (!checkExtensions())
+ {
+ return;
+ }
+
+ if (!extensionEnabled("GL_EXT_texture_compression_dxt1"))
+ {
+ std::cout << "Test skipped because GL_EXT_texture_compression_dxt1 is not available."
+ << std::endl;
+ return;
+ }
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0,
+ sizeof(CompressedImageDXT1), CompressedImageDXT1);
+ ASSERT_GL_NO_ERROR();
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[1]);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glCompressedCopyTextureCHROMIUM(mTextures[0], mTextures[1]);
+ ASSERT_GL_NO_ERROR();
+
+ // Load texture.
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(GL_TEXTURE_2D, mTextures[1]);
+ GLint textureLoc = glGetUniformLocation(mProgram, "u_texture");
+ glUseProgram(mProgram);
+ glUniform1i(textureLoc, 0);
+
+ // Draw.
+ drawQuad(mProgram, "a_position", 0.5f);
+
+ EXPECT_PIXEL_COLOR_EQ(getWindowWidth() / 2, getWindowHeight() / 2, CompressedImageColor);
+ ASSERT_GL_NO_ERROR();
+}
+
+// Test validation of compressed formats
+TEST_P(CopyCompressedTextureTest, InternalFormat)
+{
+ if (!checkExtensions())
+ {
+ return;
+ }
+
+ struct Data
+ {
+ GLint format;
+ const uint8_t *data;
+ GLsizei dataSize;
+
+ Data() : Data(GL_NONE, nullptr, 0) {}
+ Data(GLint format, const uint8_t *data, GLsizei dataSize)
+ : format(format), data(data), dataSize(dataSize)
+ {
+ }
+ };
+ std::vector<Data> supportedFormats;
+
+ if (extensionEnabled("GL_AMD_compressed_ATC_texture"))
+ {
+ supportedFormats.push_back(
+ Data(GL_ATC_RGB_AMD, CompressedImageATC, sizeof(CompressedImageATC)));
+ supportedFormats.push_back(Data(GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD, CompressedImageATCIA,
+ sizeof(CompressedImageATCIA)));
+ }
+ if (extensionEnabled("GL_EXT_texture_compression_dxt1"))
+ {
+ supportedFormats.push_back(Data(GL_COMPRESSED_RGB_S3TC_DXT1_EXT, CompressedImageDXT1,
+ sizeof(CompressedImageDXT1)));
+ }
+ if (extensionEnabled("GL_ANGLE_texture_compression_dxt5"))
+ {
+ supportedFormats.push_back(Data(GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, CompressedImageDXT5,
+ sizeof(CompressedImageDXT5)));
+ }
+ if (extensionEnabled("GL_OES_compressed_ETC1_RGB8_texture"))
+ {
+ supportedFormats.push_back(
+ Data(GL_ETC1_RGB8_OES, CompressedImageETC1, sizeof(CompressedImageETC1)));
+ }
+
+ for (const auto &supportedFormat : supportedFormats)
+ {
+ glBindTexture(GL_TEXTURE_2D, mTextures[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glCompressedTexImage2D(GL_TEXTURE_2D, 0, supportedFormat.format, 4, 4, 0,
+ supportedFormat.dataSize, supportedFormat.data);
+ ASSERT_GL_NO_ERROR();
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[1]);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glCompressedCopyTextureCHROMIUM(mTextures[0], mTextures[1]);
+ ASSERT_GL_NO_ERROR();
+ }
+}
+
+// Test that uncompressed textures generate errors when copying
+TEST_P(CopyCompressedTextureTest, InternalFormatNotSupported)
+{
+ if (!checkExtensions())
+ {
+ return;
+ }
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, &GLColor::red);
+ ASSERT_GL_NO_ERROR();
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[1]);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ ASSERT_GL_NO_ERROR();
+
+ // Check that the GL_RGBA format reports an error.
+ glCompressedCopyTextureCHROMIUM(mTextures[0], mTextures[1]);
+ EXPECT_GL_ERROR(GL_INVALID_OPERATION);
+}
+
+// Test validation of texture IDs
+TEST_P(CopyCompressedTextureTest, InvalidTextureIds)
+{
+ if (!checkExtensions())
+ {
+ return;
+ }
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0,
+ sizeof(CompressedImageDXT1), CompressedImageDXT1);
+ ASSERT_GL_NO_ERROR();
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[1]);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ ASSERT_GL_NO_ERROR();
+
+ glCompressedCopyTextureCHROMIUM(mTextures[0], 99993);
+ EXPECT_GL_ERROR(GL_INVALID_VALUE);
+
+ glCompressedCopyTextureCHROMIUM(99994, mTextures[1]);
+ EXPECT_GL_ERROR(GL_INVALID_VALUE);
+
+ glCompressedCopyTextureCHROMIUM(99995, 99996);
+ EXPECT_GL_ERROR(GL_INVALID_VALUE);
+
+ glCompressedCopyTextureCHROMIUM(mTextures[0], mTextures[1]);
+ EXPECT_GL_NO_ERROR();
+}
+
+// Test that only 2D textures are valid
+TEST_P(CopyCompressedTextureTest, BindingPoints)
+{
+ if (!checkExtensions())
+ {
+ return;
+ }
+
+ glBindTexture(GL_TEXTURE_CUBE_MAP, mTextures[0]);
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ for (GLenum face = GL_TEXTURE_CUBE_MAP_POSITIVE_X; face <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z;
+ face++)
+ {
+ glCompressedTexImage2D(face, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0,
+ sizeof(CompressedImageDXT1), CompressedImageDXT1);
+ }
+ ASSERT_GL_NO_ERROR();
+
+ glBindTexture(GL_TEXTURE_CUBE_MAP, mTextures[1]);
+ glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ ASSERT_GL_NO_ERROR();
+
+ glCompressedCopyTextureCHROMIUM(mTextures[0], mTextures[1]);
+ EXPECT_GL_ERROR(GL_INVALID_VALUE);
+}
+
+// Test the destination texture cannot be immutable
+TEST_P(CopyCompressedTextureTest, Immutable)
+{
+ if (!checkExtensions() || getClientMajorVersion() < 3)
+ {
+ return;
+ }
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[0]);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4, 0,
+ sizeof(CompressedImageDXT1), CompressedImageDXT1);
+ ASSERT_GL_NO_ERROR();
+
+ glBindTexture(GL_TEXTURE_2D, mTextures[1]);
+ glTexStorage2D(GL_TEXTURE_2D, 1, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, 4, 4);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ ASSERT_GL_NO_ERROR();
+
+ glCompressedCopyTextureCHROMIUM(mTextures[0], mTextures[1]);
+ EXPECT_GL_ERROR(GL_INVALID_OPERATION);
+}
+
+// Use this to select which configurations (e.g. which renderer, which GLES major version) these
+// tests should be run against.
+ANGLE_INSTANTIATE_TEST(CopyCompressedTextureTest,
+ ES2_D3D9(),
+ ES2_D3D11(),
+ ES3_D3D11(),
+ ES2_OPENGL(),
+ ES3_OPENGL(),
+ ES2_OPENGLES(),
+ ES3_OPENGLES());
+
+} // namespace angle