1 files changed, 96 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/gl/RenderbufferGL.cpp b/gfx/angle/src/libANGLE/renderer/gl/RenderbufferGL.cpp
new file mode 100755
index 000000000..bfc2bb254
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/gl/RenderbufferGL.cpp
@@ -0,0 +1,96 @@
+//
+// Copyright 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// RenderbufferGL.cpp: Implements the class methods for RenderbufferGL.
+
+#include "libANGLE/renderer/gl/RenderbufferGL.h"
+
+#include "common/debug.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/angletypes.h"
+#include "libANGLE/renderer/gl/FunctionsGL.h"
+#include "libANGLE/renderer/gl/StateManagerGL.h"
+#include "libANGLE/renderer/gl/formatutilsgl.h"
+#include "libANGLE/renderer/gl/renderergl_utils.h"
+
+namespace rx
+{
+RenderbufferGL::RenderbufferGL(const FunctionsGL *functions,
+                               const WorkaroundsGL &workarounds,
+                               StateManagerGL *stateManager,
+                               const gl::TextureCapsMap &textureCaps)
+    : RenderbufferImpl(),
+      mFunctions(functions),
+      mWorkarounds(workarounds),
+      mStateManager(stateManager),
+      mTextureCaps(textureCaps),
+      mRenderbufferID(0)
+{
+    mFunctions->genRenderbuffers(1, &mRenderbufferID);
+    mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mRenderbufferID);
+}
+
+RenderbufferGL::~RenderbufferGL()
+{
+    mStateManager->deleteRenderbuffer(mRenderbufferID);
+    mRenderbufferID = 0;
+}
+
+gl::Error RenderbufferGL::setStorage(GLenum internalformat, size_t width, size_t height)
+{
+    mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mRenderbufferID);
+
+    nativegl::RenderbufferFormat renderbufferFormat =
+        nativegl::GetRenderbufferFormat(mFunctions, mWorkarounds, internalformat);
+    mFunctions->renderbufferStorage(GL_RENDERBUFFER, renderbufferFormat.internalFormat,
+                                    static_cast<GLsizei>(width), static_cast<GLsizei>(height));
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+gl::Error RenderbufferGL::setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height)
+{
+    mStateManager->bindRenderbuffer(GL_RENDERBUFFER, mRenderbufferID);
+
+    nativegl::RenderbufferFormat renderbufferFormat =
+        nativegl::GetRenderbufferFormat(mFunctions, mWorkarounds, internalformat);
+    mFunctions->renderbufferStorageMultisample(
+        GL_RENDERBUFFER, static_cast<GLsizei>(samples), renderbufferFormat.internalFormat,
+        static_cast<GLsizei>(width), static_cast<GLsizei>(height));
+
+    const gl::TextureCaps &formatCaps = mTextureCaps.get(internalformat);
+    if (samples > formatCaps.getMaxSamples())
+    {
+        // Before version 4.2, it is unknown if the specific internal format can support the requested number
+        // of samples.  It is expected that GL_OUT_OF_MEMORY is returned if the renderbuffer cannot be created.
+        GLenum error = GL_NO_ERROR;
+        do
+        {
+            error = mFunctions->getError();
+            if (error == GL_OUT_OF_MEMORY)
+            {
+                return gl::Error(GL_OUT_OF_MEMORY);
+            }
+
+            ASSERT(error == GL_NO_ERROR);
+        } while (error != GL_NO_ERROR);
+    }
+
+    return gl::Error(GL_NO_ERROR);
+}
+
+gl::Error RenderbufferGL::setStorageEGLImageTarget(egl::Image *image)
+{
+    UNIMPLEMENTED();
+    return gl::Error(GL_INVALID_OPERATION);
+}
+
+GLuint RenderbufferGL::getRenderbufferID() const
+{
+    return mRenderbufferID;
+}
+
+}