diff --git a/include/GLSLANG/ShaderLang.h b/include/GLSLANG/ShaderLang.h
index 91201540c..4bc006c05 100644
--- a/include/GLSLANG/ShaderLang.h
+++ b/include/GLSLANG/ShaderLang.h
@@ -48,7 +48,7 @@ typedef unsigned int GLenum;
 
 // Version number for shader translation API.
 // It is incremented every time the API changes.
-#define ANGLE_SH_VERSION 145
+#define ANGLE_SH_VERSION 146
 
 typedef enum {
   SH_GLES2_SPEC = 0x8B40,
@@ -255,6 +255,7 @@ typedef struct
     // Set to 1 to enable the extension, else 0.
     int OES_standard_derivatives;
     int OES_EGL_image_external;
+    int OES_EGL_image_external_essl3;
     int NV_EGL_stream_consumer_external;
     int ARB_texture_rectangle;
     int EXT_blend_func_extended;
diff --git a/src/compiler/translator/Compiler.cpp b/src/compiler/translator/Compiler.cpp
index 66da0c2d6..93062ca6a 100644
--- a/src/compiler/translator/Compiler.cpp
+++ b/src/compiler/translator/Compiler.cpp
@@ -480,6 +480,8 @@ void TCompiler::initSamplerDefaultPrecision(TBasicType samplerType)
 void TCompiler::setResourceString()
 {
     std::ostringstream strstream;
+
+    // clang-format off
     strstream << ":MaxVertexAttribs:" << compileResources.MaxVertexAttribs
               << ":MaxVertexUniformVectors:" << compileResources.MaxVertexUniformVectors
               << ":MaxVaryingVectors:" << compileResources.MaxVaryingVectors
@@ -490,6 +492,8 @@ void TCompiler::setResourceString()
               << ":MaxDrawBuffers:" << compileResources.MaxDrawBuffers
               << ":OES_standard_derivatives:" << compileResources.OES_standard_derivatives
               << ":OES_EGL_image_external:" << compileResources.OES_EGL_image_external
+              << ":OES_EGL_image_external_essl3:" << compileResources.OES_EGL_image_external_essl3
+              << ":NV_EGL_stream_consumer_external:" << compileResources.NV_EGL_stream_consumer_external
               << ":ARB_texture_rectangle:" << compileResources.ARB_texture_rectangle
               << ":EXT_draw_buffers:" << compileResources.EXT_draw_buffers
               << ":FragmentPrecisionHigh:" << compileResources.FragmentPrecisionHigh
@@ -509,6 +513,7 @@ void TCompiler::setResourceString()
               << ":MaxDualSourceDrawBuffers:" << compileResources.MaxDualSourceDrawBuffers
               << ":NV_draw_buffers:" << compileResources.NV_draw_buffers
               << ":WEBGL_debug_shader_precision:" << compileResources.WEBGL_debug_shader_precision;
+    // clang-format on
 
     builtInResourcesString = strstream.str();
 }
diff --git a/src/compiler/translator/Initialize.cpp b/src/compiler/translator/Initialize.cpp
index ff35d2069..a50c017f0 100644
--- a/src/compiler/translator/Initialize.cpp
+++ b/src/compiler/translator/Initialize.cpp
@@ -315,6 +315,17 @@ void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInR
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsamplerCube, float3, float1);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureLod", gsampler2DArray, float3, float1);
 
+    if (resources.OES_EGL_image_external_essl3)
+    {
+        const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
+
+        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerExternalOES, float2);
+        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
+                                  float3);
+        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
+                                  float4);
+    }
+
     if (type == GL_FRAGMENT_SHADER)
     {
         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texture", gsampler2D, float2, float1);
@@ -324,6 +335,18 @@ void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInR
         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float3, float1);
         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler2D, float4, float1);
         symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "textureProj", gsampler3D, float4, float1);
+
+        if (resources.OES_EGL_image_external_essl3)
+        {
+            const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
+
+            symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texture", samplerExternalOES, float2,
+                                      float1);
+            symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
+                                      float3, float1);
+            symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "textureProj", samplerExternalOES,
+                                      float4, float1);
+        }
     }
 
     const TType *sampler2DShadow = TCache::getType(EbtSampler2DShadow);
@@ -351,6 +374,13 @@ void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInR
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerCubeShadow, int1);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, int3, "textureSize", sampler2DArrayShadow, int1);
 
+    if (resources.OES_EGL_image_external_essl3)
+    {
+        const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
+
+        symbolTable.insertBuiltIn(ESSL3_BUILTINS, int2, "textureSize", samplerExternalOES, int1);
+    }
+
     if (type == GL_FRAGMENT_SHADER)
     {
         symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpDFdx, genType, "dFdx", genType);
@@ -403,6 +433,14 @@ void InsertBuiltInFunctions(sh::GLenum type, ShShaderSpec spec, const ShBuiltInR
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler3D, int3, int1);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetch", gsampler2DArray, int3, int1);
 
+    if (resources.OES_EGL_image_external_essl3)
+    {
+        const TType *samplerExternalOES = TCache::getType(EbtSamplerExternalOES);
+
+        symbolTable.insertBuiltIn(ESSL3_BUILTINS, float4, "texelFetch", samplerExternalOES, int2,
+                                  int1);
+    }
+
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2D, int2, int1, int2);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler3D, int3, int1, int3);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, gvec4, "texelFetchOffset", gsampler2DArray, int3, int1, int2);
@@ -594,6 +632,8 @@ void InitExtensionBehavior(const ShBuiltInResources& resources,
         extBehavior["GL_OES_standard_derivatives"] = EBhUndefined;
     if (resources.OES_EGL_image_external)
         extBehavior["GL_OES_EGL_image_external"] = EBhUndefined;
+    if (resources.OES_EGL_image_external_essl3)
+        extBehavior["GL_OES_EGL_image_external_essl3"] = EBhUndefined;
     if (resources.NV_EGL_stream_consumer_external)
         extBehavior["GL_NV_EGL_stream_consumer_external"] = EBhUndefined;
     if (resources.ARB_texture_rectangle)
diff --git a/src/compiler/translator/ShaderLang.cpp b/src/compiler/translator/ShaderLang.cpp
index 421597b9b..e4f27fb1b 100644
--- a/src/compiler/translator/ShaderLang.cpp
+++ b/src/compiler/translator/ShaderLang.cpp
@@ -148,6 +148,8 @@ void ShInitBuiltInResources(ShBuiltInResources* resources)
     // Extensions.
     resources->OES_standard_derivatives = 0;
     resources->OES_EGL_image_external = 0;
+    resources->OES_EGL_image_external_essl3    = 0;
+    resources->NV_EGL_stream_consumer_external = 0;
     resources->ARB_texture_rectangle = 0;
     resources->EXT_blend_func_extended      = 0;
     resources->EXT_draw_buffers = 0;
diff --git a/src/compiler/translator/TextureFunctionHLSL.cpp b/src/compiler/translator/TextureFunctionHLSL.cpp
index b859310ac..f0b48d047 100644
--- a/src/compiler/translator/TextureFunctionHLSL.cpp
+++ b/src/compiler/translator/TextureFunctionHLSL.cpp
@@ -201,6 +201,7 @@ int GetHLSLCoordCount(const TextureFunctionHLSL::TextureFunction &textureFunctio
         switch (textureFunction.sampler)
         {
             case EbtSampler2D:
+            case EbtSamplerExternalOES:
                 hlslCoords = 2;
                 break;
             case EbtSamplerCube:
@@ -275,6 +276,7 @@ void OutputTextureFunctionArgumentList(TInfoSinkBase &out,
         switch (textureFunction.sampler)
         {
             case EbtSampler2D:
+            case EbtSamplerExternalOES:
                 out << "sampler2D s";
                 break;
             case EbtSamplerCube:
@@ -790,6 +792,7 @@ void OutputTextureSampleFunctionReturnStatement(
         switch (textureFunction.sampler)
         {
             case EbtSampler2D:
+            case EbtSamplerExternalOES:
                 out << "tex2D";
                 break;
             case EbtSamplerCube:
diff --git a/src/libANGLE/Compiler.cpp b/src/libANGLE/Compiler.cpp
index 15e094ea3..127ecd818 100644
--- a/src/libANGLE/Compiler.cpp
+++ b/src/libANGLE/Compiler.cpp
@@ -50,8 +50,8 @@ Compiler::Compiler(rx::GLImplFactory *implFactory, const ContextState &data)
     mResources.OES_standard_derivatives     = extensions.standardDerivatives;
     mResources.EXT_draw_buffers             = extensions.drawBuffers;
     mResources.EXT_shader_texture_lod       = extensions.shaderTextureLOD;
-    // TODO: disabled until the extension is actually supported.
-    mResources.OES_EGL_image_external = 0;
+    mResources.OES_EGL_image_external          = extensions.eglImageExternal;
+    mResources.OES_EGL_image_external_essl3    = extensions.eglImageExternalEssl3;
     mResources.NV_EGL_stream_consumer_external = extensions.eglStreamConsumerExternal;
     // TODO: use shader precision caps to determine if high precision is supported?
     mResources.FragmentPrecisionHigh = 1;
diff --git a/src/libANGLE/Context.cpp b/src/libANGLE/Context.cpp
index ca43a1090..19fd7117b 100644
--- a/src/libANGLE/Context.cpp
+++ b/src/libANGLE/Context.cpp
@@ -2089,6 +2089,7 @@ void Context::initCaps(GLuint clientVersion)
     {
         // Disable ES3+ extensions
         mExtensions.colorBufferFloat = false;
+        mExtensions.eglImageExternalEssl3 = false;
     }
 
     if (clientVersion > 2)
diff --git a/src/libANGLE/Texture.cpp b/src/libANGLE/Texture.cpp
index 7b8aef809..79cb69399 100644
--- a/src/libANGLE/Texture.cpp
+++ b/src/libANGLE/Texture.cpp
@@ -61,7 +61,7 @@ TextureState::TextureState(GLenum target)
       swizzleGreen(GL_GREEN),
       swizzleBlue(GL_BLUE),
       swizzleAlpha(GL_ALPHA),
-      samplerState(),
+      samplerState(SamplerState::CreateDefaultForTarget(target)),
       baseLevel(0),
       maxLevel(1000),
       immutableFormat(false),
@@ -755,7 +755,7 @@ void Texture::releaseTexImageInternal()
 Error Texture::setEGLImageTarget(GLenum target, egl::Image *imageTarget)
 {
     ASSERT(target == mState.target);
-    ASSERT(target == GL_TEXTURE_2D);
+    ASSERT(target == GL_TEXTURE_2D || target == GL_TEXTURE_EXTERNAL_OES);
 
     // Release from previous calls to eglBindTexImage, to avoid calling the Impl after
     releaseTexImageInternal();
@@ -847,6 +847,27 @@ bool Texture::computeSamplerCompleteness(const SamplerState &samplerState,
         }
     }
 
+    // From GL_OES_EGL_image_external_essl3: If state is present in a sampler object bound to a
+    // texture unit that would have been rejected by a call to TexParameter* for the texture bound
+    // to that unit, the behavior of the implementation is as if the texture were incomplete. For
+    // example, if TEXTURE_WRAP_S or TEXTURE_WRAP_T is set to anything but CLAMP_TO_EDGE on the
+    // sampler object bound to a texture unit and the texture bound to that unit is an external
+    // texture, the texture will be considered incomplete.
+    // Sampler object state which does not affect sampling for the type of texture bound to a
+    // texture unit, such as TEXTURE_WRAP_R for an external texture, does not affect completeness.
+    if (mState.target == GL_TEXTURE_EXTERNAL_OES)
+    {
+        if (samplerState.wrapS != GL_CLAMP_TO_EDGE || samplerState.wrapT != GL_CLAMP_TO_EDGE)
+        {
+            return false;
+        }
+
+        if (samplerState.minFilter != GL_LINEAR && samplerState.minFilter != GL_NEAREST)
+        {
+            return false;
+        }
+    }
+
     // OpenGLES 3.0.2 spec section 3.8.13 states that a texture is not mipmap complete if:
     // The internalformat specified for the texture arrays is a sized internal depth or
     // depth and stencil format (see table 3.13), the value of TEXTURE_COMPARE_-
diff --git a/src/libANGLE/angletypes.cpp b/src/libANGLE/angletypes.cpp
index 3a636c9e4..0cd69963e 100644
--- a/src/libANGLE/angletypes.cpp
+++ b/src/libANGLE/angletypes.cpp
@@ -53,6 +53,23 @@ SamplerState::SamplerState()
 {
 }
 
+// static
+SamplerState SamplerState::CreateDefaultForTarget(GLenum target)
+{
+    SamplerState state;
+
+    // According to OES_EGL_image_external: For external textures, the default min filter is
+    // GL_LINEAR and the default s and t wrap modes are GL_CLAMP_TO_EDGE.
+    if (target == GL_TEXTURE_EXTERNAL_OES)
+    {
+        state.minFilter = GL_LINEAR;
+        state.wrapS     = GL_CLAMP_TO_EDGE;
+        state.wrapT     = GL_CLAMP_TO_EDGE;
+    }
+
+    return state;
+}
+
 static void MinMax(int a, int b, int *minimum, int *maximum)
 {
     if (a < b)
diff --git a/src/libANGLE/angletypes.h b/src/libANGLE/angletypes.h
index 0cd533ebe..52c4b6214 100644
--- a/src/libANGLE/angletypes.h
+++ b/src/libANGLE/angletypes.h
@@ -194,6 +194,7 @@ struct DepthStencilState
 struct SamplerState
 {
     SamplerState();
+    static SamplerState CreateDefaultForTarget(GLenum target);
 
     GLenum minFilter;
     GLenum magFilter;
diff --git a/src/libANGLE/renderer/d3d/TextureD3D.cpp b/src/libANGLE/renderer/d3d/TextureD3D.cpp
index 728bc9b8e..fb63c2e3b 100644
--- a/src/libANGLE/renderer/d3d/TextureD3D.cpp
+++ b/src/libANGLE/renderer/d3d/TextureD3D.cpp
@@ -3178,21 +3178,17 @@ void TextureD3D_2DArray::markAllImagesDirty()
 TextureD3D_External::TextureD3D_External(const gl::TextureState &state, RendererD3D *renderer)
     : TextureD3D(state, renderer)
 {
-    mImage = renderer->createImage();
 }
 
 TextureD3D_External::~TextureD3D_External()
 {
-    SafeDelete(mImage);
     SafeDelete(mTexStorage);
 }
 
 ImageD3D *TextureD3D_External::getImage(const gl::ImageIndex &index) const
 {
-    // External images only have one mipmap level
-    ASSERT(index.type == GL_TEXTURE_EXTERNAL_OES);
-    ASSERT(index.mipIndex == 0);
-    return mImage;
+    UNREACHABLE();
+    return nullptr;
 }
 
 GLsizei TextureD3D_External::getLayerCount(int level) const
@@ -3200,29 +3196,6 @@ GLsizei TextureD3D_External::getLayerCount(int level) const
     return 1;
 }
 
-GLsizei TextureD3D_External::getWidth(GLint level) const
-{
-    ASSERT(level == 0);
-    return mImage->getWidth();
-}
-
-GLsizei TextureD3D_External::getHeight(GLint level) const
-{
-    ASSERT(level == 0);
-    return mImage->getHeight();
-}
-
-GLenum TextureD3D_External::getInternalFormat(GLint level) const
-{
-    ASSERT(level == 0);
-    return mImage->getInternalFormat();
-}
-
-bool TextureD3D_External::isDepth(GLint level) const
-{
-    return false;
-}
-
 gl::Error TextureD3D_External::setImage(GLenum target,
                                         size_t imageLevel,
                                         GLenum internalFormat,
@@ -3308,15 +3281,11 @@ gl::Error TextureD3D_External::setImageExternal(GLenum target,
 {
     ASSERT(target == GL_TEXTURE_EXTERNAL_OES);
 
-    // If the strean is null, the external image is unbound and we release the storage
-    if (stream == nullptr)
+    SafeDelete(mTexStorage);
+
+    // If the stream is null, the external image is unbound and we release the storage
+    if (stream != nullptr)
     {
-        SafeDelete(mTexStorage);
-        mTexStorage = nullptr;
-    }
-    else
-    {
-        SafeDelete(mTexStorage);
         mTexStorage = mRenderer->createTextureStorageExternal(stream, desc);
     }
 
@@ -3335,8 +3304,12 @@ void TextureD3D_External::releaseTexImage()
 
 gl::Error TextureD3D_External::setEGLImageTarget(GLenum target, egl::Image *image)
 {
-    UNREACHABLE();
-    return gl::Error(GL_INVALID_OPERATION);
+    EGLImageD3D *eglImaged3d = GetImplAs<EGLImageD3D>(image);
+
+    SafeDelete(mTexStorage);
+    mTexStorage = mRenderer->createTextureStorageEGLImage(eglImaged3d);
+
+    return gl::NoError();
 }
 
 void TextureD3D_External::initMipmapsImages()
@@ -3350,19 +3323,9 @@ gl::Error TextureD3D_External::getRenderTarget(const gl::ImageIndex &index, Rend
     return gl::Error(GL_INVALID_OPERATION);
 }
 
-bool TextureD3D_External::isValidLevel(int level) const
-{
-    return (level == 0);
-}
-
-bool TextureD3D_External::isLevelComplete(int level) const
-{
-    return (level == 0) ? (mTexStorage != nullptr) : false;
-}
-
 bool TextureD3D_External::isImageComplete(const gl::ImageIndex &index) const
 {
-    return isLevelComplete(index.mipIndex);
+    return (index.mipIndex == 0) ? (mTexStorage != nullptr) : false;
 }
 
 gl::Error TextureD3D_External::initializeStorage(bool renderTarget)
@@ -3393,20 +3356,6 @@ gl::Error TextureD3D_External::updateStorage()
     return gl::Error(GL_NO_ERROR);
 }
 
-gl::Error TextureD3D_External::updateStorageLevel(int level)
-{
-    UNREACHABLE();
-    return gl::Error(GL_NO_ERROR);
-}
-
-void TextureD3D_External::redefineImage(size_t level,
-                                        GLenum internalformat,
-                                        const gl::Extents &size,
-                                        bool forceRelease)
-{
-    UNREACHABLE();
-}
-
 gl::ImageIndexIterator TextureD3D_External::imageIterator() const
 {
     return gl::ImageIndexIterator::Make2D(0, mTexStorage->getLevelCount());
diff --git a/src/libANGLE/renderer/d3d/TextureD3D.h b/src/libANGLE/renderer/d3d/TextureD3D.h
index 412d738e9..eedb9f6a6 100644
--- a/src/libANGLE/renderer/d3d/TextureD3D.h
+++ b/src/libANGLE/renderer/d3d/TextureD3D.h
@@ -413,11 +413,6 @@ class TextureD3D_External : public TextureD3D
     ImageD3D *getImage(const gl::ImageIndex &index) const override;
     GLsizei getLayerCount(int level) const override;
 
-    GLsizei getWidth(GLint level) const;
-    GLsizei getHeight(GLint level) const;
-    GLenum getInternalFormat(GLint level) const;
-    bool isDepth(GLint level) const;
-
     gl::Error setImage(GLenum target,
                        size_t level,
                        GLenum internalFormat,
@@ -492,18 +487,7 @@ class TextureD3D_External : public TextureD3D
     gl::Error updateStorage() override;
     void initMipmapsImages() override;
 
-    bool isValidLevel(int level) const;
-    bool isLevelComplete(int level) const;
     bool isImageComplete(const gl::ImageIndex &index) const override;
-
-    gl::Error updateStorageLevel(int level);
-
-    void redefineImage(size_t level,
-                       GLenum internalformat,
-                       const gl::Extents &size,
-                       bool forceRelease);
-
-    ImageD3D *mImage;
 };
 }
 
diff --git a/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp b/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
index a26152e68..7da9be403 100644
--- a/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
+++ b/src/libANGLE/renderer/d3d/d3d11/renderer11_utils.cpp
@@ -1231,6 +1231,8 @@ void GenerateCaps(ID3D11Device *device, ID3D11DeviceContext *deviceContext, cons
     extensions->fboRenderMipmap = false;
     extensions->debugMarker = true;
     extensions->eglImage                 = true;
+    extensions->eglImageExternal          = true;
+    extensions->eglImageExternalEssl3     = true;
     extensions->eglStreamConsumerExternal = true;
     extensions->unpackSubimage           = true;
     extensions->packSubimage             = true;
diff --git a/src/libANGLE/renderer/d3d/d3d9/Context9.cpp b/src/libANGLE/renderer/d3d/d3d9/Context9.cpp
index a1e30d12a..6949d01f1 100644
--- a/src/libANGLE/renderer/d3d/d3d9/Context9.cpp
+++ b/src/libANGLE/renderer/d3d/d3d9/Context9.cpp
@@ -69,6 +69,8 @@ TextureImpl *Context9::createTexture(const gl::TextureState &state)
             return new TextureD3D_2D(state, mRenderer);
         case GL_TEXTURE_CUBE_MAP:
             return new TextureD3D_Cube(state, mRenderer);
+        case GL_TEXTURE_EXTERNAL_OES:
+            return new TextureD3D_External(state, mRenderer);
         default:
             UNREACHABLE();
     }
diff --git a/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp b/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
index 329535936..dd578a119 100644
--- a/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
+++ b/src/libANGLE/renderer/d3d/d3d9/Renderer9.cpp
@@ -1657,6 +1657,7 @@ gl::Error Renderer9::applyUniforms(const ProgramD3D &programD3D,
         {
             case GL_SAMPLER_2D:
             case GL_SAMPLER_CUBE:
+            case GL_SAMPLER_EXTERNAL_OES:
                 break;
             case GL_BOOL:
             case GL_BOOL_VEC2:
diff --git a/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp b/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp
index b55f7dcfe..2c0629516 100644
--- a/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp
+++ b/src/libANGLE/renderer/d3d/d3d9/renderer9_utils.cpp
@@ -590,6 +590,7 @@ void GenerateCaps(IDirect3D9 *d3d9,
     extensions->colorBufferFloat = false;
     extensions->debugMarker = true;
     extensions->eglImage               = true;
+    extensions->eglImageExternal       = true;
     extensions->unpackSubimage         = true;
     extensions->packSubimage           = true;
     extensions->vertexArrayObject      = true;
diff --git a/src/libANGLE/validationES.cpp b/src/libANGLE/validationES.cpp
index 76e8c64fe..30c7b5474 100644
--- a/src/libANGLE/validationES.cpp
+++ b/src/libANGLE/validationES.cpp
@@ -857,13 +857,18 @@ bool ValidateTexParamParameters(gl::Context *context, GLenum target, GLenum pnam
       case GL_TEXTURE_COMPARE_FUNC:
       case GL_TEXTURE_MIN_LOD:
       case GL_TEXTURE_MAX_LOD:
-          // ES3 texture paramters are not supported on external textures as the extension is
-          // written against ES2.
-          if (context->getClientVersion() < 3 || target == GL_TEXTURE_EXTERNAL_OES)
+          if (context->getClientVersion() < 3)
         {
             context->handleError(Error(GL_INVALID_ENUM));
             return false;
         }
+        if (target == GL_TEXTURE_EXTERNAL_OES && !context->getExtensions().eglImageExternalEssl3)
+        {
+            context->handleError(Error(GL_INVALID_ENUM,
+                                       "ES3 texture parameters are not available without "
+                                       "GL_OES_EGL_image_external_essl3."));
+            return false;
+        }
         break;
 
       default: break;
@@ -1014,16 +1019,20 @@ bool ValidateTexParamParameters(gl::Context *context, GLenum target, GLenum pnam
         break;
 
       case GL_TEXTURE_BASE_LEVEL:
-      case GL_TEXTURE_MAX_LEVEL:
-          if (target == GL_TEXTURE_EXTERNAL_OES)
+          if (param < 0)
           {
-              // This is not specified, but in line with the spirit of OES_EGL_image_external spec,
-              // which generally forbids setting mipmap related parameters on external textures.
-              context->handleError(
-                  Error(GL_INVALID_OPERATION,
-                        "Setting the base level or max level of external textures not supported"));
+              context->handleError(Error(GL_INVALID_VALUE));
               return false;
           }
+          if (target == GL_TEXTURE_EXTERNAL_OES && param != 0)
+          {
+              context->handleError(
+                  Error(GL_INVALID_OPERATION, "Base level must be 0 for external textures."));
+              return false;
+          }
+          return true;
+
+      case GL_TEXTURE_MAX_LEVEL:
           if (param < 0)
           {
               context->handleError(Error(GL_INVALID_VALUE));
@@ -2398,6 +2407,20 @@ bool ValidateEGLImageTargetTexture2DOES(Context *context,
     switch (target)
     {
         case GL_TEXTURE_2D:
+            if (!context->getExtensions().eglImage)
+            {
+                context->handleError(Error(
+                    GL_INVALID_ENUM, "GL_TEXTURE_2D texture target requires GL_OES_EGL_image."));
+            }
+            break;
+
+        case GL_TEXTURE_EXTERNAL_OES:
+            if (!context->getExtensions().eglImageExternal)
+            {
+                context->handleError(Error(
+                    GL_INVALID_ENUM,
+                    "GL_TEXTURE_EXTERNAL_OES texture target requires GL_OES_EGL_image_external."));
+            }
             break;
 
         default:
diff --git a/src/libANGLE/validationES2.cpp b/src/libANGLE/validationES2.cpp
index 6e3810018..309f223e9 100644
--- a/src/libANGLE/validationES2.cpp
+++ b/src/libANGLE/validationES2.cpp
@@ -1997,7 +1997,8 @@ bool ValidateBindTexture(Context *context, GLenum target, GLuint texture)
             }
             break;
         case GL_TEXTURE_EXTERNAL_OES:
-            if (!context->getExtensions().eglStreamConsumerExternal)
+            if (!context->getExtensions().eglImageExternal &&
+                !context->getExtensions().eglStreamConsumerExternal)
             {
                 context->handleError(
                     Error(GL_INVALID_ENUM, "External texture extension not enabled"));
diff --git a/src/libGLESv2/entry_points_gles_2_0.cpp b/src/libGLESv2/entry_points_gles_2_0.cpp
index 2babb5617..f23f4988d 100644
--- a/src/libGLESv2/entry_points_gles_2_0.cpp
+++ b/src/libGLESv2/entry_points_gles_2_0.cpp
@@ -2279,7 +2279,7 @@ void GL_APIENTRY GetTexParameterfv(GLenum target, GLenum pname, GLfloat* params)
     Context *context = GetValidGlobalContext();
     if (context)
     {
-        if (!ValidTextureTarget(context, target))
+        if (!ValidTextureTarget(context, target) && !ValidTextureExternalTarget(context, target))
         {
             context->handleError(Error(GL_INVALID_ENUM, "Invalid texture target"));
             return;
@@ -2434,7 +2434,7 @@ void GL_APIENTRY GetTexParameteriv(GLenum target, GLenum pname, GLint* params)
     Context *context = GetValidGlobalContext();
     if (context)
     {
-        if (!ValidTextureTarget(context, target))
+        if (!ValidTextureTarget(context, target) && !ValidTextureExternalTarget(context, target))
         {
             context->handleError(Error(GL_INVALID_ENUM, "Invalid texture target"));
             return;
diff --git a/src/tests/egl_tests/EGLStreamTest.cpp b/src/tests/egl_tests/EGLStreamTest.cpp
index 020d902f2..1453a640b 100644
--- a/src/tests/egl_tests/EGLStreamTest.cpp
+++ b/src/tests/egl_tests/EGLStreamTest.cpp
@@ -358,37 +358,79 @@ TEST_P(EGLStreamTest, StreamProducerTextureNV12End2End)
 {
     EGLWindow *window            = getEGLWindow();
     EGLDisplay display           = window->getDisplay();
-    const char *extensionsString = eglQueryString(display, EGL_EXTENSIONS);
-    if (strstr(extensionsString, "EGL_ANGLE_stream_producer_d3d_texture_nv12") == nullptr)
+    if (!eglDisplayExtensionEnabled(display, "EGL_ANGLE_stream_producer_d3d_texture_nv12"))
     {
         std::cout << "Stream producer d3d nv12 texture not supported" << std::endl;
         return;
     }
 
-    // Shader setup
-    const std::string yuvVS =
-        "attribute highp vec4 position; varying vec2 texcoord; void main(void)\n"
-        "{\n"
-        "    gl_Position = position;\n"
-        "    texcoord = (position.xy * 0.5) + 0.5;\n"
-        "    texcoord.y = 1.0 - texcoord.y;\n"
-        "}\n";
+    bool useESSL3Shaders =
+        getClientVersion() >= 3 && extensionEnabled("GL_OES_EGL_image_external_essl3");
 
     // yuv to rgb conversion shader using Microsoft's given conversion formulas
-    const std::string yuvPS =
-        "#extension GL_NV_EGL_stream_consumer_external : require\n"
-        "precision highp float; varying vec2 texcoord;\n"
-        "uniform samplerExternalOES y; uniform samplerExternalOES uv\n;"
-        "void main(void)\n"
-        "{\n"
-        "    float c = texture2D(y, texcoord).r - (16.0 / 256.0);\n"
-        "    float d = texture2D(uv, texcoord).r - 0.5;\n"
-        "    float e = texture2D(uv, texcoord).g - 0.5;\n"
-        "    float r = 1.164383 * c + 1.596027 * e;\n"
-        "    float g = 1.164383 * c - 0.391762 * d - 0.812968 * e;\n"
-        "    float b = 1.164383 * c + 2.017232 * d;\n"
-        "    gl_FragColor = vec4(r, g, b, 1.0);\n"
-        "}\n";
+    std::string yuvVS, yuvPS;
+    if (useESSL3Shaders)
+    {
+        yuvVS =
+            "#version 300 es\n"
+            "in highp vec4 position;\n"
+            "out vec2 texcoord;\n"
+            "void main(void)\n"
+            "{\n"
+            "    gl_Position = position;\n"
+            "    texcoord = (position.xy * 0.5) + 0.5;\n"
+            "    texcoord.y = 1.0 - texcoord.y;\n"
+            "}\n";
+        yuvPS =
+            "#version 300 es\n"
+            "#extension GL_OES_EGL_image_external_essl3 : require\n"
+            "#extension GL_NV_EGL_stream_consumer_external : require\n"
+            "precision highp float;\n"
+            "in vec2 texcoord;\n"
+            "out vec4 color;\n"
+            "uniform samplerExternalOES y;\n"
+            "uniform samplerExternalOES uv\n;"
+            "void main(void)\n"
+            "{\n"
+            "    float c = texture(y, texcoord).r - (16.0 / 256.0);\n"
+            "    float d = texture(uv, texcoord).r - 0.5;\n"
+            "    float e = texture(uv, texcoord).g - 0.5;\n"
+            "    float r = 1.164383 * c + 1.596027 * e;\n"
+            "    float g = 1.164383 * c - 0.391762 * d - 0.812968 * e;\n"
+            "    float b = 1.164383 * c + 2.017232 * d;\n"
+            "    color = vec4(r, g, b, 1.0);\n"
+            "}\n";
+    }
+    else
+    {
+        yuvVS =
+            "attribute highp vec4 position;\n"
+            "varying vec2 texcoord;\n"
+            "void main(void)\n"
+            "{\n"
+            "    gl_Position = position;\n"
+            "    texcoord = (position.xy * 0.5) + 0.5;\n"
+            "    texcoord.y = 1.0 - texcoord.y;\n"
+            "}\n";
+
+        yuvPS =
+            "#extension GL_NV_EGL_stream_consumer_external : require\n"
+            "precision highp float;\n"
+            "varying vec2 texcoord;\n"
+            "uniform samplerExternalOES y;\n"
+            "uniform samplerExternalOES uv\n;"
+            "void main(void)\n"
+            "{\n"
+            "    float c = texture2D(y, texcoord).r - (16.0 / 256.0);\n"
+            "    float d = texture2D(uv, texcoord).r - 0.5;\n"
+            "    float e = texture2D(uv, texcoord).g - 0.5;\n"
+            "    float r = 1.164383 * c + 1.596027 * e;\n"
+            "    float g = 1.164383 * c - 0.391762 * d - 0.812968 * e;\n"
+            "    float b = 1.164383 * c + 2.017232 * d;\n"
+            "    gl_FragColor = vec4(r, g, b, 1.0);\n"
+            "}\n";
+    }
+
     GLuint program = CompileProgram(yuvVS, yuvPS);
     ASSERT_NE(0u, program);
     GLuint yUniform  = glGetUniformLocation(program, "y");
diff --git a/src/tests/gl_tests/ImageTest.cpp b/src/tests/gl_tests/ImageTest.cpp
index 9f110c8fe..c5e6e1cef 100644
--- a/src/tests/gl_tests/ImageTest.cpp
+++ b/src/tests/gl_tests/ImageTest.cpp
@@ -40,6 +40,18 @@ class ImageTest : public ANGLETest
             "    texcoord = (position.xy * 0.5) + 0.5;\n"
             "    texcoord.y = 1.0 - texcoord.y;\n"
             "}\n";
+        const std::string vsESSL3Source =
+            "#version 300 es\n"
+            "precision highp float;\n"
+            "in vec4 position;\n"
+            "out vec2 texcoord;\n"
+            "\n"
+            "void main()\n"
+            "{\n"
+            "    gl_Position = position;\n"
+            "    texcoord = (position.xy * 0.5) + 0.5;\n"
+            "    texcoord.y = 1.0 - texcoord.y;\n"
+            "}\n";
 
         const std::string textureFSSource =
             "precision highp float;\n"
@@ -50,6 +62,28 @@ class ImageTest : public ANGLETest
             "{\n"
             "    gl_FragColor = texture2D(tex, texcoord);\n"
             "}\n";
+        const std::string textureExternalFSSource =
+            "#extension GL_OES_EGL_image_external : require\n"
+            "precision highp float;\n"
+            "uniform samplerExternalOES tex;\n"
+            "varying vec2 texcoord;\n"
+            "\n"
+            "void main()\n"
+            "{\n"
+            "    gl_FragColor = texture2D(tex, texcoord);\n"
+            "}\n";
+        const std::string textureExternalESSL3FSSource =
+            "#version 300 es\n"
+            "#extension GL_OES_EGL_image_external_essl3 : require\n"
+            "precision highp float;\n"
+            "uniform samplerExternalOES tex;\n"
+            "in vec2 texcoord;\n"
+            "out vec4 color;"
+            "\n"
+            "void main()\n"
+            "{\n"
+            "    color = texture(tex, texcoord);\n"
+            "}\n";
 
         mTextureProgram = CompileProgram(vsSource, textureFSSource);
         if (mTextureProgram == 0)
@@ -59,6 +93,24 @@ class ImageTest : public ANGLETest
 
         mTextureUniformLocation = glGetUniformLocation(mTextureProgram, "tex");
 
+        if (extensionEnabled("GL_OES_EGL_image_external"))
+        {
+            mTextureExternalProgram = CompileProgram(vsSource, textureExternalFSSource);
+            ASSERT_NE(0u, mTextureExternalProgram) << "shader compilation failed.";
+
+            mTextureExternalUniformLocation = glGetUniformLocation(mTextureExternalProgram, "tex");
+        }
+
+        if (extensionEnabled("GL_OES_EGL_image_external_essl3"))
+        {
+            mTextureExternalESSL3Program =
+                CompileProgram(vsESSL3Source, textureExternalESSL3FSSource);
+            ASSERT_NE(0u, mTextureExternalESSL3Program) << "shader compilation failed.";
+
+            mTextureExternalESSL3UniformLocation =
+                glGetUniformLocation(mTextureExternalESSL3Program, "tex");
+        }
+
         eglCreateImageKHR =
             reinterpret_cast<PFNEGLCREATEIMAGEKHRPROC>(eglGetProcAddress("eglCreateImageKHR"));
         eglDestroyImageKHR =
@@ -69,9 +121,11 @@ class ImageTest : public ANGLETest
 
     void TearDown() override
     {
-        ANGLETest::TearDown();
-
         glDeleteProgram(mTextureProgram);
+        glDeleteProgram(mTextureExternalProgram);
+        glDeleteProgram(mTextureExternalESSL3Program);
+
+        ANGLETest::TearDown();
     }
 
     void createEGLImage2DTextureSource(size_t width,
@@ -245,6 +299,23 @@ class ImageTest : public ANGLETest
         *outTargetTexture = target;
     }
 
+    void createEGLImageTargetTextureExternal(EGLImageKHR image, GLuint *outTargetTexture)
+    {
+        // Create a target texture from the image
+        GLuint target;
+        glGenTextures(1, &target);
+        glBindTexture(GL_TEXTURE_EXTERNAL_OES, target);
+        glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, image);
+
+        // Disable mipmapping
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+        ASSERT_GL_NO_ERROR();
+
+        *outTargetTexture = target;
+    }
+
     void createEGLImageTargetRenderbuffer(EGLImageKHR image, GLuint *outTargetRenderbuffer)
     {
         // Create a target texture from the image
@@ -258,19 +329,41 @@ class ImageTest : public ANGLETest
         *outTargetRenderbuffer = target;
     }
 
-    void verifyResults2D(GLuint texture, GLubyte data[4])
+    void verifyResultsTexture(GLuint texture,
+                              GLubyte data[4],
+                              GLenum textureTarget,
+                              GLuint program,
+                              GLuint textureUniform)
     {
         // Draw a quad with the target texture
-        glUseProgram(mTextureProgram);
-        glBindTexture(GL_TEXTURE_2D, texture);
-        glUniform1i(mTextureUniformLocation, 0);
+        glUseProgram(program);
+        glBindTexture(textureTarget, texture);
+        glUniform1i(textureUniform, 0);
 
-        drawQuad(mTextureProgram, "position", 0.5f);
+        drawQuad(program, "position", 0.5f);
 
         // Expect that the rendered quad has the same color as the source texture
         EXPECT_PIXEL_EQ(0, 0, data[0], data[1], data[2], data[3]);
     }
 
+    void verifyResults2D(GLuint texture, GLubyte data[4])
+    {
+        verifyResultsTexture(texture, data, GL_TEXTURE_2D, mTextureProgram,
+                             mTextureUniformLocation);
+    }
+
+    void verifyResultsExternal(GLuint texture, GLubyte data[4])
+    {
+        verifyResultsTexture(texture, data, GL_TEXTURE_EXTERNAL_OES, mTextureExternalProgram,
+                             mTextureExternalUniformLocation);
+    }
+
+    void verifyResultsExternalESSL3(GLuint texture, GLubyte data[4])
+    {
+        verifyResultsTexture(texture, data, GL_TEXTURE_EXTERNAL_OES, mTextureExternalESSL3Program,
+                             mTextureExternalESSL3UniformLocation);
+    }
+
     void verifyResultsRenderbuffer(GLuint renderbuffer, GLubyte data[4])
     {
         // Bind the renderbuffer to a framebuffer
@@ -298,10 +391,20 @@ class ImageTest : public ANGLETest
     GLuint mTextureProgram;
     GLint mTextureUniformLocation;
 
+    GLuint mTextureExternalProgram        = 0;
+    GLint mTextureExternalUniformLocation = -1;
+
+    GLuint mTextureExternalESSL3Program        = 0;
+    GLint mTextureExternalESSL3UniformLocation = -1;
+
     PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
     PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
 };
 
+class ImageTestES3 : public ImageTest
+{
+};
+
 // Check validation from the EGL_KHR_image_base extension
 TEST_P(ImageTest, ValidationImageBase)
 {
@@ -755,17 +858,114 @@ TEST_P(ImageTest, ValidationGLEGLImage)
 // Check validation from the GL_OES_EGL_image_external extension
 TEST_P(ImageTest, ValidationGLEGLImageExternal)
 {
-    // This extension is not implemented anywhere yet.  This makes sure that it is tested once it is
-    // added.
-    EXPECT_FALSE(extensionEnabled("GL_OES_EGL_image_external"));
+    if (!extensionEnabled("GL_OES_EGL_image_external"))
+    {
+        std::cout << "Test skipped because GL_OES_EGL_image_external is not available."
+                  << std::endl;
+        return;
+    }
+
+    GLuint texture;
+    glGenTextures(1, &texture);
+    glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture);
+
+    // In the initial state of a TEXTURE_EXTERNAL_OES texture object, the value assigned to
+    // TEXTURE_MIN_FILTER and TEXTURE_MAG_FILTER is LINEAR, and the s and t wrap modes are both set
+    // to CLAMP_TO_EDGE
+    auto getTexParam = [](GLenum target, GLenum pname)
+    {
+        GLint value = 0;
+        glGetTexParameteriv(target, pname, &value);
+        EXPECT_GL_NO_ERROR();
+        return value;
+    };
+    EXPECT_GLENUM_EQ(GL_LINEAR, getTexParam(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER));
+    EXPECT_GLENUM_EQ(GL_LINEAR, getTexParam(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER));
+    EXPECT_GLENUM_EQ(GL_CLAMP_TO_EDGE, getTexParam(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S));
+    EXPECT_GLENUM_EQ(GL_CLAMP_TO_EDGE, getTexParam(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T));
+
+    // "When <target> is TEXTURE_EXTERNAL_OES only NEAREST and LINEAR are accepted as
+    // TEXTURE_MIN_FILTER, only CLAMP_TO_EDGE is accepted as TEXTURE_WRAP_S and TEXTURE_WRAP_T, and
+    // only FALSE is accepted as GENERATE_MIPMAP. Attempting to set other values for
+    // TEXTURE_MIN_FILTER, TEXTURE_WRAP_S, TEXTURE_WRAP_T, or GENERATE_MIPMAP will result in an
+    // INVALID_ENUM error.
+    GLenum validMinFilters[]{
+        GL_NEAREST, GL_LINEAR,
+    };
+    for (auto minFilter : validMinFilters)
+    {
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, minFilter);
+        EXPECT_GL_NO_ERROR();
+    }
+
+    GLenum invalidMinFilters[]{
+        GL_NEAREST_MIPMAP_LINEAR, GL_NEAREST_MIPMAP_NEAREST, GL_LINEAR_MIPMAP_LINEAR,
+        GL_LINEAR_MIPMAP_NEAREST,
+    };
+    for (auto minFilter : invalidMinFilters)
+    {
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, minFilter);
+        EXPECT_GL_ERROR(GL_INVALID_ENUM);
+    }
+
+    GLenum validWrapModes[]{
+        GL_CLAMP_TO_EDGE,
+    };
+    for (auto minFilter : validWrapModes)
+    {
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, minFilter);
+        EXPECT_GL_NO_ERROR();
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, minFilter);
+        EXPECT_GL_NO_ERROR();
+    }
+
+    GLenum invalidWrapModes[]{
+        GL_REPEAT, GL_MIRRORED_REPEAT,
+    };
+    for (auto minFilter : invalidWrapModes)
+    {
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S, minFilter);
+        EXPECT_GL_ERROR(GL_INVALID_ENUM);
+        glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T, minFilter);
+        EXPECT_GL_ERROR(GL_INVALID_ENUM);
+    }
+
+    // When <target> is set to TEXTURE_EXTERNAL_OES, GenerateMipmap always fails and generates an
+    // INVALID_ENUM error.
+    glGenerateMipmap(GL_TEXTURE_EXTERNAL_OES);
+    EXPECT_GL_ERROR(GL_INVALID_ENUM);
+
+    glDeleteTextures(1, &texture);
 }
 
 // Check validation from the GL_OES_EGL_image_external_essl3 extension
 TEST_P(ImageTest, ValidationGLEGLImageExternalESSL3)
 {
-    // This extension is not implemented anywhere yet.  This makes sure that it is tested once it is
-    // added.
-    EXPECT_FALSE(extensionEnabled("GL_OES_EGL_image_external_essl3"));
+    if (!extensionEnabled("GL_OES_EGL_image_external_essl3"))
+    {
+        std::cout << "Test skipped because GL_OES_EGL_image_external is not available."
+                  << std::endl;
+        return;
+    }
+
+    // Make sure this extension is not exposed without ES3.
+    ASSERT_GE(getClientVersion(), 3);
+
+    GLuint texture;
+    glGenTextures(1, &texture);
+    glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture);
+
+    // It is an INVALID_OPERATION error to set the TEXTURE_BASE_LEVEL to a value other than zero.
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_BASE_LEVEL, 1);
+    EXPECT_GL_ERROR(GL_INVALID_OPERATION);
+
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_BASE_LEVEL, 10);
+    EXPECT_GL_ERROR(GL_INVALID_OPERATION);
+
+    glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_BASE_LEVEL, 0);
+    EXPECT_GL_NO_ERROR();
+
+    glDeleteTextures(1, &texture);
 }
 
 TEST_P(ImageTest, Source2DTarget2D)
@@ -834,6 +1034,74 @@ TEST_P(ImageTest, Source2DTargetRenderbuffer)
     glDeleteRenderbuffers(1, &target);
 }
 
+TEST_P(ImageTest, Source2DTargetExternal)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_texture_2D_image"))
+    {
+        std::cout
+            << "Test skipped because OES_EGL_image, OES_EGL_image_external, EGL_KHR_image_base or "
+               "EGL_KHR_gl_texture_2D_image is not available."
+            << std::endl;
+        return;
+    }
+
+    GLubyte data[4] = {255, 0, 255, 255};
+
+    // Create the Image
+    GLuint source;
+    EGLImageKHR image;
+    createEGLImage2DTextureSource(1, 1, GL_RGBA, GL_UNSIGNED_BYTE, data, &source, &image);
+
+    // Create the target
+    GLuint target;
+    createEGLImageTargetTextureExternal(image, &target);
+
+    // Expect that the target renderbuffer has the same color as the source texture
+    verifyResultsExternal(target, data);
+
+    // Clean up
+    glDeleteTextures(1, &source);
+    eglDestroyImageKHR(window->getDisplay(), image);
+    glDeleteRenderbuffers(1, &target);
+}
+
+TEST_P(ImageTestES3, Source2DTargetExternalESSL3)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external_essl3") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_texture_2D_image"))
+    {
+        std::cout << "Test skipped because OES_EGL_image, OES_EGL_image_external_essl3, "
+                     "EGL_KHR_image_base or "
+                     "EGL_KHR_gl_texture_2D_image is not available."
+                  << std::endl;
+        return;
+    }
+
+    GLubyte data[4] = {255, 0, 255, 255};
+
+    // Create the Image
+    GLuint source;
+    EGLImageKHR image;
+    createEGLImage2DTextureSource(1, 1, GL_RGBA, GL_UNSIGNED_BYTE, data, &source, &image);
+
+    // Create the target
+    GLuint target;
+    createEGLImageTargetTextureExternal(image, &target);
+
+    // Expect that the target renderbuffer has the same color as the source texture
+    verifyResultsExternalESSL3(target, data);
+
+    // Clean up
+    glDeleteTextures(1, &source);
+    eglDestroyImageKHR(window->getDisplay(), image);
+    glDeleteRenderbuffers(1, &target);
+}
+
 TEST_P(ImageTest, SourceCubeTarget2D)
 {
     EGLWindow *window = getEGLWindow();
@@ -916,6 +1184,92 @@ TEST_P(ImageTest, SourceCubeTargetRenderbuffer)
     }
 }
 
+// Test cubemap -> external texture EGL images.
+TEST_P(ImageTest, SourceCubeTargetExternal)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_texture_cubemap_image"))
+    {
+        std::cout
+            << "Test skipped because OES_EGL_image, OES_EGL_image_external, EGL_KHR_image_base or "
+               "EGL_KHR_gl_texture_cubemap_image is not available."
+            << std::endl;
+        return;
+    }
+
+    GLubyte data[24] = {
+        255, 0, 255, 255, 255, 255, 255, 255, 255, 0, 0, 255,
+        0,   0, 255, 255, 0,   255, 0,   255, 0,   0, 0, 255,
+    };
+
+    for (EGLenum faceIdx = 0; faceIdx < 6; faceIdx++)
+    {
+        // Create the Image
+        GLuint source;
+        EGLImageKHR image;
+        createEGLImageCubemapTextureSource(
+            1, 1, GL_RGBA, GL_UNSIGNED_BYTE, reinterpret_cast<uint8_t *>(data), sizeof(GLubyte) * 4,
+            EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR + faceIdx, &source, &image);
+
+        // Create the target
+        GLuint target;
+        createEGLImageTargetTextureExternal(image, &target);
+
+        // Expect that the target texture has the same color as the source texture
+        verifyResultsExternal(target, &data[faceIdx * 4]);
+
+        // Clean up
+        glDeleteTextures(1, &source);
+        eglDestroyImageKHR(window->getDisplay(), image);
+        glDeleteRenderbuffers(1, &target);
+    }
+}
+
+// Test cubemap -> external texture EGL images using ESSL3 shaders.
+TEST_P(ImageTestES3, SourceCubeTargetExternalESSL3)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external_essl3") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_texture_cubemap_image"))
+    {
+        std::cout << "Test skipped because OES_EGL_image, OES_EGL_image_external_essl3, "
+                     "EGL_KHR_image_base or "
+                     "EGL_KHR_gl_texture_cubemap_image is not available."
+                  << std::endl;
+        return;
+    }
+
+    GLubyte data[24] = {
+        255, 0, 255, 255, 255, 255, 255, 255, 255, 0, 0, 255,
+        0,   0, 255, 255, 0,   255, 0,   255, 0,   0, 0, 255,
+    };
+
+    for (EGLenum faceIdx = 0; faceIdx < 6; faceIdx++)
+    {
+        // Create the Image
+        GLuint source;
+        EGLImageKHR image;
+        createEGLImageCubemapTextureSource(
+            1, 1, GL_RGBA, GL_UNSIGNED_BYTE, reinterpret_cast<uint8_t *>(data), sizeof(GLubyte) * 4,
+            EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR + faceIdx, &source, &image);
+
+        // Create the target
+        GLuint target;
+        createEGLImageTargetTextureExternal(image, &target);
+
+        // Expect that the target texture has the same color as the source texture
+        verifyResultsExternalESSL3(target, &data[faceIdx * 4]);
+
+        // Clean up
+        glDeleteTextures(1, &source);
+        eglDestroyImageKHR(window->getDisplay(), image);
+        glDeleteRenderbuffers(1, &target);
+    }
+}
+
 TEST_P(ImageTest, Source3DTargetTexture)
 {
     EGLWindow *window = getEGLWindow();
@@ -1008,6 +1362,102 @@ TEST_P(ImageTest, Source3DTargetRenderbuffer)
     }
 }
 
+// Test 3D -> external texture EGL images.
+TEST_P(ImageTest, Source3DTargetExternal)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_texture_3D_image"))
+    {
+        std::cout
+            << "Test skipped because OES_EGL_image, OES_EGL_image_external, EGL_KHR_image_base or "
+               "EGL_KHR_gl_texture_3D_image is not available."
+            << std::endl;
+        return;
+    }
+
+    if (getClientVersion() < 3 && !extensionEnabled("GL_OES_texture_3D"))
+    {
+        std::cout << "Test skipped because 3D textures are not available." << std::endl;
+        return;
+    }
+
+    const size_t depth      = 2;
+    GLubyte data[4 * depth] = {
+        255, 0, 255, 255, 255, 255, 0, 255,
+    };
+
+    for (size_t layer = 0; layer < depth; layer++)
+    {
+        // Create the Image
+        GLuint source;
+        EGLImageKHR image;
+        createEGLImage3DTextureSource(1, 1, depth, GL_RGBA, GL_UNSIGNED_BYTE, data, layer, &source,
+                                      &image);
+
+        // Create the target
+        GLuint target;
+        createEGLImageTargetTextureExternal(image, &target);
+
+        // Expect that the target renderbuffer has the same color as the source texture
+        verifyResultsExternal(target, &data[layer * 4]);
+
+        // Clean up
+        glDeleteTextures(1, &source);
+        eglDestroyImageKHR(window->getDisplay(), image);
+        glDeleteTextures(1, &target);
+    }
+}
+
+// Test 3D -> external texture EGL images using ESSL3 shaders.
+TEST_P(ImageTestES3, Source3DTargetExternalESSL3)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external_essl3") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_texture_3D_image"))
+    {
+        std::cout << "Test skipped because OES_EGL_image, OES_EGL_image_external_essl3, "
+                     "EGL_KHR_image_base or "
+                     "EGL_KHR_gl_texture_3D_image is not available."
+                  << std::endl;
+        return;
+    }
+
+    if (getClientVersion() < 3 && !extensionEnabled("GL_OES_texture_3D"))
+    {
+        std::cout << "Test skipped because 3D textures are not available." << std::endl;
+        return;
+    }
+
+    const size_t depth      = 2;
+    GLubyte data[4 * depth] = {
+        255, 0, 255, 255, 255, 255, 0, 255,
+    };
+
+    for (size_t layer = 0; layer < depth; layer++)
+    {
+        // Create the Image
+        GLuint source;
+        EGLImageKHR image;
+        createEGLImage3DTextureSource(1, 1, depth, GL_RGBA, GL_UNSIGNED_BYTE, data, layer, &source,
+                                      &image);
+
+        // Create the target
+        GLuint target;
+        createEGLImageTargetTextureExternal(image, &target);
+
+        // Expect that the target renderbuffer has the same color as the source texture
+        verifyResultsExternalESSL3(target, &data[layer * 4]);
+
+        // Clean up
+        glDeleteTextures(1, &source);
+        eglDestroyImageKHR(window->getDisplay(), image);
+        glDeleteTextures(1, &target);
+    }
+}
+
 TEST_P(ImageTest, SourceRenderbufferTargetTexture)
 {
     EGLWindow *window = getEGLWindow();
@@ -1041,6 +1491,76 @@ TEST_P(ImageTest, SourceRenderbufferTargetTexture)
     glDeleteTextures(1, &target);
 }
 
+// Test renderbuffer -> external texture EGL images.
+TEST_P(ImageTest, SourceRenderbufferTargetTextureExternal)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_renderbuffer_image"))
+    {
+        std::cout
+            << "Test skipped because OES_EGL_image, OES_EGL_image_external, EGL_KHR_image_base or "
+               "EGL_KHR_gl_renderbuffer_image is not available."
+            << std::endl;
+        return;
+    }
+
+    GLubyte data[4] = {255, 0, 255, 255};
+
+    // Create the Image
+    GLuint source;
+    EGLImageKHR image;
+    createEGLImageRenderbufferSource(1, 1, GL_RGBA8_OES, data, &source, &image);
+
+    // Create the target
+    GLuint target;
+    createEGLImageTargetTextureExternal(image, &target);
+
+    // Expect that the target texture has the same color as the source texture
+    verifyResultsExternal(target, data);
+
+    // Clean up
+    glDeleteRenderbuffers(1, &source);
+    eglDestroyImageKHR(window->getDisplay(), image);
+    glDeleteTextures(1, &target);
+}
+
+// Test renderbuffer -> external texture EGL images using ESSL3 shaders.
+TEST_P(ImageTestES3, SourceRenderbufferTargetTextureExternalESSL3)
+{
+    EGLWindow *window = getEGLWindow();
+    if (!extensionEnabled("OES_EGL_image") || !extensionEnabled("OES_EGL_image_external_essl3") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_image_base") ||
+        !eglDisplayExtensionEnabled(window->getDisplay(), "EGL_KHR_gl_renderbuffer_image"))
+    {
+        std::cout
+            << "Test skipped because OES_EGL_image, OES_EGL_image_external, EGL_KHR_image_base or "
+               "EGL_KHR_gl_renderbuffer_image is not available."
+            << std::endl;
+        return;
+    }
+
+    GLubyte data[4] = {255, 0, 255, 255};
+
+    // Create the Image
+    GLuint source;
+    EGLImageKHR image;
+    createEGLImageRenderbufferSource(1, 1, GL_RGBA8_OES, data, &source, &image);
+
+    // Create the target
+    GLuint target;
+    createEGLImageTargetTextureExternal(image, &target);
+
+    // Expect that the target texture has the same color as the source texture
+    verifyResultsExternalESSL3(target, data);
+
+    // Clean up
+    glDeleteRenderbuffers(1, &source);
+    eglDestroyImageKHR(window->getDisplay(), image);
+    glDeleteTextures(1, &target);
+}
+
 TEST_P(ImageTest, SourceRenderbufferTargetRenderbuffer)
 {
     EGLWindow *window = getEGLWindow();
@@ -1449,4 +1969,5 @@ ANGLE_INSTANTIATE_TEST(ImageTest,
                        ES3_OPENGL(),
                        ES2_OPENGLES(),
                        ES3_OPENGLES());
+ANGLE_INSTANTIATE_TEST(ImageTestES3, ES3_D3D11(), ES3_OPENGL(), ES3_OPENGLES());
 }