Issue #1053 - Part 3a: Remove Android conditionals from /gfx

9 files changed, 8 insertions, 414 deletions

diff --git a/gfx/gl/GLBlitHelper.cpp b/gfx/gl/GLBlitHelper.cpp
index d59cea8636..da7f5b462d 100644
--- a/gfx/gl/GLBlitHelper.cpp
+++ b/gfx/gl/GLBlitHelper.cpp
@@ -14,12 +14,6 @@
 #include "mozilla/gfx/Matrix.h"
 #include "mozilla/UniquePtr.h"
 
-#ifdef MOZ_WIDGET_ANDROID
-#include "AndroidSurfaceTexture.h"
-#include "GLImages.h"
-#include "GLLibraryEGL.h"
-#endif
-
 #ifdef XP_MACOSX
 #include "MacIOSurfaceImage.h"
 #include "GLContextCGL.h"
@@ -146,26 +140,6 @@ GLBlitHelper::InitTexQuadProgram(BlitType target)
                                          vTexCoord * uTexCoordMult);  \n\
         }                                                             \n\
     ";
-#ifdef ANDROID /* MOZ_WIDGET_ANDROID */
-    const char kTexExternalBlit_FragShaderSource[] = "\
-        #version 100                                                    \n\
-        #extension GL_OES_EGL_image_external : require                  \n\
-        #ifdef GL_FRAGMENT_PRECISION_HIGH                               \n\
-            precision highp float;                                      \n\
-        #else                                                           \n\
-            precision mediump float;                                    \n\
-        #endif                                                          \n\
-        varying vec2 vTexCoord;                                         \n\
-        uniform mat4 uTextureTransform;                                 \n\
-        uniform samplerExternalOES uTexUnit;                            \n\
-                                                                        \n\
-        void main()                                                     \n\
-        {                                                               \n\
-            gl_FragColor = texture2D(uTexUnit,                          \n\
-                (uTextureTransform * vec4(vTexCoord, 0.0, 1.0)).xy);    \n\
-        }                                                               \n\
-    ";
-#endif
     /* From Rec601:
     [R]   [1.1643835616438356,  0.0,                 1.5960267857142858]      [ Y -  16]
     [G] = [1.1643835616438358, -0.3917622900949137, -0.8129676472377708]    x [Cb - 128]
@@ -257,14 +231,6 @@ GLBlitHelper::InitTexQuadProgram(BlitType target)
         fragShaderPtr = &mTex2DRectBlit_FragShader;
         fragShaderSource = kTex2DRectBlit_FragShaderSource;
         break;
-#ifdef ANDROID
-    case ConvertSurfaceTexture:
-    case ConvertGralloc:
-        programPtr = &mTexExternalBlit_Program;
-        fragShaderPtr = &mTexExternalBlit_FragShader;
-        fragShaderSource = kTexExternalBlit_FragShaderSource;
-        break;
-#endif
     case ConvertPlanarYCbCr:
         programPtr = &mTexYUVPlanarBlit_Program;
         fragShaderPtr = &mTexYUVPlanarBlit_FragShader;
@@ -398,10 +364,6 @@ GLBlitHelper::InitTexQuadProgram(BlitType target)
         // Cache and set attribute and uniform
         mGL->fUseProgram(program);
         switch (target) {
-#ifdef ANDROID
-            case ConvertSurfaceTexture:
-            case ConvertGralloc:
-#endif
             case BlitTex2D:
             case BlitTexRect:
             case ConvertEGLImage: {
@@ -678,67 +640,6 @@ GLBlitHelper::BindAndUploadEGLImage(EGLImage image, GLuint target)
     mGL->fEGLImageTargetTexture2D(target, image);
 }
 
-#ifdef MOZ_WIDGET_ANDROID
-
-#define ATTACH_WAIT_MS 50
-
-bool
-GLBlitHelper::BlitSurfaceTextureImage(layers::SurfaceTextureImage* stImage)
-{
-    AndroidSurfaceTexture* surfaceTexture = stImage->GetSurfaceTexture();
-
-    ScopedBindTextureUnit boundTU(mGL, LOCAL_GL_TEXTURE0);
-
-    if (NS_FAILED(surfaceTexture->Attach(mGL, PR_MillisecondsToInterval(ATTACH_WAIT_MS))))
-        return false;
-
-    // UpdateTexImage() changes the EXTERNAL binding, so save it here
-    // so we can restore it after.
-    int oldBinding = 0;
-    mGL->fGetIntegerv(LOCAL_GL_TEXTURE_BINDING_EXTERNAL, &oldBinding);
-
-    surfaceTexture->UpdateTexImage();
-
-    gfx::Matrix4x4 transform;
-    surfaceTexture->GetTransformMatrix(transform);
-
-    mGL->fUniformMatrix4fv(mTextureTransformLoc, 1, false, &transform._11);
-    mGL->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
-
-    surfaceTexture->Detach();
-
-    mGL->fBindTexture(LOCAL_GL_TEXTURE_EXTERNAL, oldBinding);
-    return true;
-}
-
-bool
-GLBlitHelper::BlitEGLImageImage(layers::EGLImageImage* image)
-{
-    EGLImage eglImage = image->GetImage();
-    EGLSync eglSync = image->GetSync();
-
-    if (eglSync) {
-        EGLint status = sEGLLibrary.fClientWaitSync(EGL_DISPLAY(), eglSync, 0, LOCAL_EGL_FOREVER);
-        if (status != LOCAL_EGL_CONDITION_SATISFIED) {
-            return false;
-        }
-    }
-
-    ScopedBindTextureUnit boundTU(mGL, LOCAL_GL_TEXTURE0);
-
-    int oldBinding = 0;
-    mGL->fGetIntegerv(LOCAL_GL_TEXTURE_BINDING_2D, &oldBinding);
-
-    BindAndUploadEGLImage(eglImage, LOCAL_GL_TEXTURE_2D);
-
-    mGL->fDrawArrays(LOCAL_GL_TRIANGLE_STRIP, 0, 4);
-
-    mGL->fBindTexture(LOCAL_GL_TEXTURE_2D, oldBinding);
-    return true;
-}
-
-#endif
-
 bool
 GLBlitHelper::BlitPlanarYCbCrImage(layers::PlanarYCbCrImage* yuvImage)
 {
@@ -835,16 +736,6 @@ GLBlitHelper::BlitImageToFramebuffer(layers::Image* srcImage,
         srcOrigin = OriginPos::BottomLeft;
         break;
 
-#ifdef MOZ_WIDGET_ANDROID
-    case ImageFormat::SURFACE_TEXTURE:
-        type = ConvertSurfaceTexture;
-        srcOrigin = srcImage->AsSurfaceTextureImage()->GetOriginPos();
-        break;
-    case ImageFormat::EGLIMAGE:
-        type = ConvertEGLImage;
-        srcOrigin = srcImage->AsEGLImageImage()->GetOriginPos();
-        break;
-#endif
 #ifdef XP_MACOSX
     case ImageFormat::MAC_IOSURFACE:
         type = ConvertMacIOSurfaceImage;
@@ -877,14 +768,6 @@ GLBlitHelper::BlitImageToFramebuffer(layers::Image* srcImage,
             return ret;
         }
 
-#ifdef MOZ_WIDGET_ANDROID
-    case ConvertSurfaceTexture:
-        return BlitSurfaceTextureImage(static_cast<layers::SurfaceTextureImage*>(srcImage));
-
-    case ConvertEGLImage:
-        return BlitEGLImageImage(static_cast<layers::EGLImageImage*>(srcImage));
-#endif
-
 #ifdef XP_MACOSX
     case ConvertMacIOSurfaceImage:
         return BlitMacIOSurfaceImage(srcImage->AsMacIOSurfaceImage());
@@ -983,8 +866,7 @@ GLBlitHelper::BlitFramebufferToTexture(GLuint srcFB, GLuint destTex,
                                        GLenum destTarget,
                                        bool internalFBs)
 {
-    // On the Android 4.3 emulator, IsFramebuffer may return false incorrectly.
-    MOZ_ASSERT_IF(mGL->Renderer() != GLRenderer::AndroidEmulator, !srcFB || mGL->fIsFramebuffer(srcFB));
+    MOZ_ASSERT(!srcFB || mGL->fIsFramebuffer(srcFB));
     MOZ_ASSERT(mGL->fIsTexture(destTex));
 
     if (mGL->IsSupported(GLFeature::framebuffer_blit)) {
diff --git a/gfx/gl/GLBlitHelper.h b/gfx/gl/GLBlitHelper.h
index b98c472331..c2858f5913 100644
--- a/gfx/gl/GLBlitHelper.h
+++ b/gfx/gl/GLBlitHelper.h
@@ -107,11 +107,6 @@ class GLBlitHelper final
     void BindAndUploadEGLImage(EGLImage image, GLuint target);
 
     bool BlitPlanarYCbCrImage(layers::PlanarYCbCrImage* yuvImage);
-#ifdef MOZ_WIDGET_ANDROID
-    // Blit onto the current FB.
-    bool BlitSurfaceTextureImage(layers::SurfaceTextureImage* stImage);
-    bool BlitEGLImageImage(layers::EGLImageImage* eglImage);
-#endif
 #ifdef XP_MACOSX
     bool BlitMacIOSurfaceImage(layers::MacIOSurfaceImage* ioImage);
 #endif
diff --git a/gfx/gl/GLContext.cpp b/gfx/gl/GLContext.cpp
index e81bb980c7..72a7bea58b 100644
--- a/gfx/gl/GLContext.cpp
+++ b/gfx/gl/GLContext.cpp
@@ -10,9 +10,6 @@
 #include <string.h>
 #include <ctype.h>
 #include <vector>
-#ifdef MOZ_WIDGET_ANDROID
-#include <sys/mman.h>
-#endif
 
 #include "GLBlitHelper.h"
 #include "GLReadTexImageHelper.h"
@@ -47,10 +44,6 @@
 #include "nsCocoaFeatures.h"
 #endif
 
-#ifdef MOZ_WIDGET_ANDROID
-#include "AndroidBridge.h"
-#endif
-
 namespace mozilla {
 namespace gl {
 
@@ -234,7 +227,7 @@ ParseGLSLVersion(GLContext* gl, uint32_t* out_version)
     }
 
     if (!versionString) {
-        // This happens on the Android emulators. We'll just return 100
+        MOZ_ASSERT(false, "LOCAL_GL_SHADING_LANGUAGE_VERSION undefined, returning 100");
         *out_version = 100;
         return true;
     }
@@ -1056,28 +1049,6 @@ GLContext::InitWithPrefixImpl(const char* prefix, bool trygl)
         // prevents occasional driver crash.
         mNeedsFlushBeforeDeleteFB = true;
     }
-#ifdef MOZ_WIDGET_ANDROID
-    if (mWorkAroundDriverBugs &&
-        (Renderer() == GLRenderer::AdrenoTM305 ||
-         Renderer() == GLRenderer::AdrenoTM320 ||
-         Renderer() == GLRenderer::AdrenoTM330) &&
-        AndroidBridge::Bridge()->GetAPIVersion() < 21) {
-        // Bug 1164027. Driver crashes when functions such as
-        // glTexImage2D fail due to virtual memory exhaustion.
-        mTextureAllocCrashesOnMapFailure = true;
-    }
-#endif
-#if MOZ_WIDGET_ANDROID
-    if (mWorkAroundDriverBugs &&
-        Renderer() == GLRenderer::SGX540 &&
-        AndroidBridge::Bridge()->GetAPIVersion() <= 15) {
-        // Bug 1288446. Driver sometimes crashes when uploading data to a
-        // texture if the render target has changed since the texture was
-        // rendered from. Calling glCheckFramebufferStatus after
-        // glFramebufferTexture2D prevents the crash.
-        mNeedsCheckAfterAttachTextureToFb = true;
-    }
-#endif
 
     mMaxTextureImageSize = mMaxTextureSize;
 
@@ -1810,17 +1781,6 @@ GLContext::InitExtensions()
             MarkExtensionUnsupported(OES_EGL_sync);
         }
 
-#ifdef MOZ_WIDGET_ANDROID
-        if (Vendor() == GLVendor::Imagination &&
-            Renderer() == GLRenderer::SGX544MP &&
-            AndroidBridge::Bridge()->GetAPIVersion() < 21)
-        {
-            // Bug 1026404
-            MarkExtensionUnsupported(OES_EGL_image);
-            MarkExtensionUnsupported(OES_EGL_image_external);
-        }
-#endif
-
         if (Vendor() == GLVendor::ARM &&
             (Renderer() == GLRenderer::Mali400MP ||
              Renderer() == GLRenderer::Mali450MP))
@@ -1829,16 +1789,6 @@ GLContext::InitExtensions()
             MarkExtensionUnsupported(OES_EGL_image_external);
         }
 
-        if (Renderer() == GLRenderer::AndroidEmulator) {
-            // the Android emulator, which we use to run B2G reftests on,
-            // doesn't expose the OES_rgb8_rgba8 extension, but it seems to
-            // support it (tautologically, as it only runs on desktop GL).
-            MarkExtensionSupported(OES_rgb8_rgba8);
-            // there seems to be a similar issue for EXT_texture_format_BGRA8888
-            // on the Android 4.3 emulator
-            MarkExtensionSupported(EXT_texture_format_BGRA8888);
-        }
-
         if (Vendor() == GLVendor::VMware &&
             Renderer() == GLRenderer::GalliumLlvmpipe)
         {
@@ -2037,8 +1987,7 @@ GLContext::AttachBuffersToFB(GLuint colorTex, GLuint colorRB,
                               colorTex,
                               0);
     } else if (colorRB) {
-        // On the Android 4.3 emulator, IsRenderbuffer may return false incorrectly.
-        MOZ_ASSERT_IF(Renderer() != GLRenderer::AndroidEmulator, fIsRenderbuffer(colorRB));
+        MOZ_ASSERT(fIsRenderbuffer(colorRB));
         fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
                                  LOCAL_GL_COLOR_ATTACHMENT0,
                                  LOCAL_GL_RENDERBUFFER,
@@ -2046,7 +1995,7 @@ GLContext::AttachBuffersToFB(GLuint colorTex, GLuint colorRB,
     }
 
     if (depthRB) {
-        MOZ_ASSERT_IF(Renderer() != GLRenderer::AndroidEmulator, fIsRenderbuffer(depthRB));
+        MOZ_ASSERT(fIsRenderbuffer(depthRB));
         fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
                                  LOCAL_GL_DEPTH_ATTACHMENT,
                                  LOCAL_GL_RENDERBUFFER,
@@ -2054,7 +2003,7 @@ GLContext::AttachBuffersToFB(GLuint colorTex, GLuint colorRB,
     }
 
     if (stencilRB) {
-        MOZ_ASSERT_IF(Renderer() != GLRenderer::AndroidEmulator, fIsRenderbuffer(stencilRB));
+        MOZ_ASSERT(fIsRenderbuffer(stencilRB));
         fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER,
                                  LOCAL_GL_STENCIL_ATTACHMENT,
                                  LOCAL_GL_RENDERBUFFER,
@@ -2934,29 +2883,6 @@ GLContext::fDeleteFramebuffers(GLsizei n, const GLuint* names)
     TRACKING_CONTEXT(DeletedFramebuffers(this, n, names));
 }
 
-#ifdef MOZ_WIDGET_ANDROID
-/**
- * Conservatively estimate whether there is enough available
- * contiguous virtual address space to map a newly allocated texture.
- */
-static bool
-WillTextureMapSucceed(GLsizei width, GLsizei height, GLenum format, GLenum type)
-{
-    bool willSucceed = false;
-    // Some drivers leave large gaps between textures, so require
-    // there to be double the actual size of the texture available.
-    size_t size = width * height * GetBytesPerTexel(format, type) * 2;
-
-    void *p = mmap(nullptr, size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-    if (p != MAP_FAILED) {
-        willSucceed = true;
-        munmap(p, size);
-    }
-
-    return willSucceed;
-}
-#endif // MOZ_WIDGET_ANDROID
-
 void
 GLContext::fTexImage2D(GLenum target, GLint level, GLint internalformat,
                        GLsizei width, GLsizei height, GLint border,
@@ -2969,17 +2895,6 @@ GLContext::fTexImage2D(GLenum target, GLint level, GLint internalformat,
         height = -1;
         border = -1;
     }
-#if MOZ_WIDGET_ANDROID
-    if (mTextureAllocCrashesOnMapFailure) {
-        // We have no way of knowing whether this texture already has
-        // storage allocated for it, and therefore whether this check
-        // is necessary. We must therefore assume it does not and
-        // always perform the check.
-        if (!WillTextureMapSucceed(width, height, internalformat, type)) {
-            return;
-        }
-    }
-#endif
     raw_fTexImage2D(target, level, internalformat, width, height, border, format, type, pixels);
 }
 
diff --git a/gfx/gl/GLContext.h b/gfx/gl/GLContext.h
index f6af638972..5f0f5a4e89 100644
--- a/gfx/gl/GLContext.h
+++ b/gfx/gl/GLContext.h
@@ -788,18 +788,10 @@ private:
 
     static void AssertNotPassingStackBufferToTheGL(const void* ptr);
 
-#ifdef MOZ_WIDGET_ANDROID
-// Record the name of the GL call for better hang stacks on Android.
-#define BEFORE_GL_CALL                              \
-            PROFILER_LABEL_FUNC(                    \
-              js::ProfileEntry::Category::GRAPHICS);\
-            BeforeGLCall(MOZ_FUNCTION_NAME)
-#else
 #define BEFORE_GL_CALL                              \
             do {                                    \
                 BeforeGLCall(MOZ_FUNCTION_NAME);    \
             } while (0)
-#endif
 
 #define AFTER_GL_CALL                               \
             do {                                    \
@@ -815,12 +807,7 @@ private:
 
 #else // ifdef MOZ_GL_DEBUG
 
-#ifdef MOZ_WIDGET_ANDROID
-// Record the name of the GL call for better hang stacks on Android.
-#define BEFORE_GL_CALL PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS)
-#else
 #define BEFORE_GL_CALL do { } while (0)
-#endif
 #define AFTER_GL_CALL do { } while (0)
 #define TRACKING_CONTEXT(a) do {} while (0)
 #define ASSERT_NOT_PASSING_STACK_BUFFER_TO_GL(ptr) do {} while (0)
diff --git a/gfx/gl/GLContextProviderEGL.cpp b/gfx/gl/GLContextProviderEGL.cpp
index e39858a92e..ad515e6040 100644
--- a/gfx/gl/GLContextProviderEGL.cpp
+++ b/gfx/gl/GLContextProviderEGL.cpp
@@ -11,20 +11,7 @@
     #define GET_NATIVE_WINDOW(aWidget) ((EGLNativeWindowType)aWidget->GetNativeData(NS_NATIVE_WINDOW))
 #endif
 
-#ifdef MOZ_WIDGET_ANDROID
-    #define GET_JAVA_SURFACE(aWidget) (aWidget->GetNativeData(NS_JAVA_SURFACE))
-#endif
-
 #if defined(XP_UNIX)
-    #ifdef MOZ_WIDGET_ANDROID
-        #include <android/native_window.h>
-        #include <android/native_window_jni.h>
-    #endif
-
-    #ifdef ANDROID
-        #include <android/log.h>
-        #define LOG(args...)  __android_log_print(ANDROID_LOG_INFO, "Android" , ## args)
-    #endif
 
     #define GLES2_LIB "libGLESv2.so"
     #define GLES2_LIB2 "libGLESv2.so.2"
@@ -164,22 +151,8 @@ CreateSurfaceForWindow(nsIWidget* widget, const EGLConfig& config) {
     EGLSurface newSurface = nullptr;
 
     MOZ_ASSERT(widget);
-#ifdef MOZ_WIDGET_ANDROID
-    void* javaSurface = GET_JAVA_SURFACE(widget);
-    if (!javaSurface) {
-        MOZ_CRASH("GFX: Failed to get Java surface.\n");
-    }
-    JNIEnv* const env = jni::GetEnvForThread();
-    ANativeWindow* const nativeWindow = ANativeWindow_fromSurface(
-            env, reinterpret_cast<jobject>(javaSurface));
-    newSurface = sEGLLibrary.fCreateWindowSurface(
-            sEGLLibrary.fGetDisplay(EGL_DEFAULT_DISPLAY),
-            config, nativeWindow, 0);
-    ANativeWindow_release(nativeWindow);
-#else
     newSurface = sEGLLibrary.fCreateWindowSurface(EGL_DISPLAY(), config,
                                                   GET_NATIVE_WINDOW(widget), 0);
-#endif
     return newSurface;
 }
 
@@ -229,11 +202,6 @@ GLContextEGL::~GLContextEGL()
 bool
 GLContextEGL::Init()
 {
-#if defined(ANDROID)
-    // We can't use LoadApitraceLibrary here because the GLContext
-    // expects its own handle to the GL library
-    if (!OpenLibrary(APITRACE_LIB))
-#endif
         if (!OpenLibrary(GLES2_LIB)) {
 #if defined(XP_UNIX)
             if (!OpenLibrary(GLES2_LIB2)) {
@@ -432,10 +400,8 @@ GLContextEGL::GetWSIInfo(nsCString* const out) const
     out->AppendLiteral("\nEGL_EXTENSIONS: ");
     out->Append((const char*)sEGLLibrary.fQueryString(EGL_DISPLAY(), LOCAL_EGL_EXTENSIONS));
 
-#ifndef ANDROID // This query will crash some old android.
     out->AppendLiteral("\nEGL_EXTENSIONS(nullptr): ");
     out->Append((const char*)sEGLLibrary.fQueryString(nullptr, LOCAL_EGL_EXTENSIONS));
-#endif
 }
 
 // hold a reference to the given surface
@@ -685,18 +651,6 @@ CreateConfig(EGLConfig* aConfig, nsIWidget* aWidget)
 {
     int32_t depth = gfxPlatform::GetPlatform()->GetScreenDepth();
     if (!CreateConfig(aConfig, depth, aWidget)) {
-#ifdef MOZ_WIDGET_ANDROID
-        // Bug 736005
-        // Android doesn't always support 16 bit so also try 24 bit
-        if (depth == 16) {
-            return CreateConfig(aConfig, 24, aWidget);
-        }
-        // Bug 970096
-        // Some devices that have 24 bit screens only support 16 bit OpenGL?
-        if (depth == 24) {
-            return CreateConfig(aConfig, 16, aWidget);
-        }
-#endif
         return false;
     } else {
         return true;
@@ -771,43 +725,6 @@ GLContextProviderEGL::CreateForWindow(nsIWidget* aWidget, bool aForceAccelerated
     return gl.forget();
 }
 
-#if defined(ANDROID)
-EGLSurface
-GLContextProviderEGL::CreateEGLSurface(void* aWindow)
-{
-    nsCString discardFailureId;
-    if (!sEGLLibrary.EnsureInitialized(false, &discardFailureId)) {
-        MOZ_CRASH("GFX: Failed to load EGL library 4!\n");
-    }
-
-    EGLConfig config;
-    if (!CreateConfig(&config, static_cast<nsIWidget*>(aWindow))) {
-        MOZ_CRASH("GFX: Failed to create EGLConfig 2!\n");
-    }
-
-    MOZ_ASSERT(aWindow);
-
-    EGLSurface surface = sEGLLibrary.fCreateWindowSurface(EGL_DISPLAY(), config, aWindow,
-                                                          0);
-    if (surface == EGL_NO_SURFACE) {
-        MOZ_CRASH("GFX: Failed to create EGLSurface 2!\n");
-    }
-
-    return surface;
-}
-
-void
-GLContextProviderEGL::DestroyEGLSurface(EGLSurface surface)
-{
-    nsCString discardFailureId;
-    if (!sEGLLibrary.EnsureInitialized(false, &discardFailureId)) {
-        MOZ_CRASH("GFX: Failed to load EGL library 5!\n");
-    }
-
-    sEGLLibrary.fDestroySurface(EGL_DISPLAY(), surface);
-}
-#endif // defined(ANDROID)
-
 static void
 FillContextAttribs(bool alpha, bool depth, bool stencil, bool bpp16,
                    bool es3, nsTArray<EGLint>* out)
diff --git a/gfx/gl/GLContextProviderImpl.h b/gfx/gl/GLContextProviderImpl.h
index 7b63905e64..0a5d30eaad 100644
--- a/gfx/gl/GLContextProviderImpl.h
+++ b/gfx/gl/GLContextProviderImpl.h
@@ -10,9 +10,6 @@
 #ifndef GL_CONTEXT_PROVIDER_NAME
 #error GL_CONTEXT_PROVIDER_NAME not defined
 #endif
-#if defined(ANDROID)
-typedef void* EGLSurface;
-#endif // defined(ANDROID)
 
 class GL_CONTEXT_PROVIDER_NAME
 {
@@ -111,11 +108,6 @@ public:
     static already_AddRefed<GLContext>
     CreateWrappingExisting(void* aContext, void* aSurface);
 
-#if defined(ANDROID)
-    static EGLSurface CreateEGLSurface(void* aWindow);
-    static void DestroyEGLSurface(EGLSurface surface);
-#endif // defined(ANDROID)
-
     /**
      * Get a pointer to the global context, creating it if it doesn't exist.
      */
diff --git a/gfx/gl/GLLibraryEGL.cpp b/gfx/gl/GLLibraryEGL.cpp
index b8b53f7c27..5b95d83b2b 100644
--- a/gfx/gl/GLLibraryEGL.cpp
+++ b/gfx/gl/GLLibraryEGL.cpp
@@ -54,46 +54,6 @@ static const char* sEGLExtensionNames[] = {
     "EGL_ANGLE_platform_angle_d3d"
 };
 
-#if defined(ANDROID)
-
-static PRLibrary* LoadApitraceLibrary()
-{
-    // Initialization of gfx prefs here is only needed during the unit tests...
-    gfxPrefs::GetSingleton();
-    if (!gfxPrefs::UseApitrace()) {
-        return nullptr;
-    }
-
-    static PRLibrary* sApitraceLibrary = nullptr;
-
-    if (sApitraceLibrary)
-        return sApitraceLibrary;
-
-    nsCString logFile = Preferences::GetCString("gfx.apitrace.logfile");
-
-    if (logFile.IsEmpty()) {
-        logFile = "firefox.trace";
-    }
-
-    // The firefox process can't write to /data/local, but it can write
-    // to $GRE_HOME/
-    nsAutoCString logPath;
-    logPath.AppendPrintf("%s/%s", getenv("GRE_HOME"), logFile.get());
-
-    // apitrace uses the TRACE_FILE environment variable to determine where
-    // to log trace output to
-    printf_stderr("Logging GL tracing output to %s", logPath.get());
-    setenv("TRACE_FILE", logPath.get(), false);
-
-    printf_stderr("Attempting load of %s\n", APITRACE_LIB);
-
-    sApitraceLibrary = PR_LoadLibrary(APITRACE_LIB);
-
-    return sApitraceLibrary;
-}
-
-#endif // ANDROID
-
 #ifdef XP_WIN
 // see the comment in GLLibraryEGL::EnsureInitialized() for the rationale here.
 static PRLibrary*
@@ -348,13 +308,8 @@ GLLibraryEGL::EnsureInitialized(bool forceAccel, nsACString* const out_failureId
 
 #else // !Windows
 
-    // On non-Windows (Android) we use system copies of libEGL. We look for
-    // the APITrace lib, libEGL.so, and libEGL.so.1 in that order.
-
-#if defined(ANDROID)
-    if (!mEGLLibrary)
-        mEGLLibrary = LoadApitraceLibrary();
-#endif
+    // On non-Windows we use system copies of libEGL. We look for
+    // libEGL.so and libEGL.so.1 in that order.
 
     if (!mEGLLibrary) {
         printf_stderr("Attempting load of libEGL.so\n");
@@ -593,24 +548,6 @@ GLLibraryEGL::EnsureInitialized(bool forceAccel, nsACString* const out_failureId
         MarkExtensionUnsupported(KHR_image_pixmap);
     }
 
-    if (IsExtensionSupported(ANDROID_native_fence_sync)) {
-        GLLibraryLoader::SymLoadStruct nativeFenceSymbols[] = {
-            { (PRFuncPtr*) &mSymbols.fDupNativeFenceFDANDROID, { "eglDupNativeFenceFDANDROID", nullptr } },
-            { nullptr, { nullptr } }
-        };
-
-        bool success = GLLibraryLoader::LoadSymbols(mEGLLibrary,
-                                                    &nativeFenceSymbols[0],
-                                                    lookupFunction);
-        if (!success) {
-            NS_ERROR("EGL supports ANDROID_native_fence_sync without exposing its functions!");
-
-            MarkExtensionUnsupported(ANDROID_native_fence_sync);
-
-            mSymbols.fDupNativeFenceFDANDROID = nullptr;
-        }
-    }
-
     mInitialized = true;
     return true;
 }
@@ -642,12 +579,7 @@ GLLibraryEGL::InitClientExtensions()
 
     const char* rawExtString = nullptr;
 
-#ifndef ANDROID
-    // Bug 1209612: Crashes on a number of android drivers.
-    // Ideally we would only blocklist this there, but for now we don't need the client
-    // extension list on ANDROID (we mostly need it on ANGLE), and we'd rather not crash.
     rawExtString = (const char*)fQueryString(nullptr, LOCAL_EGL_EXTENSIONS);
-#endif
 
     if (!rawExtString) {
         if (shouldDumpExts) {
diff --git a/gfx/gl/GLLibraryEGL.h b/gfx/gl/GLLibraryEGL.h
index 88fce067ea..e48f2e21be 100644
--- a/gfx/gl/GLLibraryEGL.h
+++ b/gfx/gl/GLLibraryEGL.h
@@ -33,17 +33,6 @@
     typedef void* EGLNativePixmapType;
     typedef void* EGLNativeWindowType;
 
-    #ifdef ANDROID
-        // We only need to explicitly dlopen egltrace
-        // on android as we can use LD_PRELOAD or other tricks
-        // on other platforms. We look for it in /data/local
-        // as that's writeable by all users
-        //
-        // This should really go in GLLibraryEGL.cpp but we currently reference
-        // APITRACE_LIB in GLContextProviderEGL.cpp. Further refactoring
-        // will come in subsequent patches on Bug 732865
-        #define APITRACE_LIB "/data/local/tmp/egltrace.so"
-    #endif
 #endif
 
 #if defined(MOZ_X11)
@@ -79,28 +68,15 @@ namespace gl {
 # endif
 #endif
 
-#ifdef MOZ_WIDGET_ANDROID
-// Record the name of the GL call for better hang stacks on Android.
-#define BEFORE_GL_CALL                      \
-    PROFILER_LABEL_FUNC(                    \
-      js::ProfileEntry::Category::GRAPHICS);\
-    BeforeGLCall(MOZ_FUNCTION_NAME)
-#else
 #define BEFORE_GL_CALL do {          \
     BeforeGLCall(MOZ_FUNCTION_NAME); \
 } while (0)
-#endif
 
 #define AFTER_GL_CALL do {           \
     AfterGLCall(MOZ_FUNCTION_NAME);  \
 } while (0)
-#else
-#ifdef MOZ_WIDGET_ANDROID
-// Record the name of the GL call for better hang stacks on Android.
-#define BEFORE_GL_CALL PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS)
-#else
+#else // !DEBUG
 #define BEFORE_GL_CALL
-#endif
 #define AFTER_GL_CALL
 #endif
 
diff --git a/gfx/gl/moz.build b/gfx/gl/moz.build
index 4922932140..d5287ca595 100644
--- a/gfx/gl/moz.build
+++ b/gfx/gl/moz.build
@@ -16,8 +16,6 @@ elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
         gl_provider = 'EGL'
     else:
         gl_provider = 'GLX'
-elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'android':
-    gl_provider = 'EGL'
 
 if CONFIG['MOZ_GL_PROVIDER']:
     gl_provider = CONFIG['MOZ_GL_PROVIDER']