1 files changed, 96 insertions, 0 deletions
diff --git a/gfx/angle/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp b/gfx/angle/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp
new file mode 100755
index 000000000..b0bf0f9cd
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/RenderbufferD3D.cpp
@@ -0,0 +1,96 @@
+//
+// Copyright (c) 2014 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.
+//
+
+// RenderbufferD3d.cpp: Implements the RenderbufferD3D class, a specialization of RenderbufferImpl
+
+
+#include "libANGLE/renderer/d3d/RenderbufferD3D.h"
+
+#include "libANGLE/Image.h"
+#include "libANGLE/renderer/d3d/EGLImageD3D.h"
+#include "libANGLE/renderer/d3d/RendererD3D.h"
+#include "libANGLE/renderer/d3d/RenderTargetD3D.h"
+
+namespace rx
+{
+RenderbufferD3D::RenderbufferD3D(RendererD3D *renderer)
+    : mRenderer(renderer), mRenderTarget(nullptr), mImage(nullptr)
+{
+}
+
+RenderbufferD3D::~RenderbufferD3D()
+{
+    SafeDelete(mRenderTarget);
+    mImage = nullptr;
+}
+
+gl::Error RenderbufferD3D::setStorage(GLenum internalformat, size_t width, size_t height)
+{
+    return setStorageMultisample(0, internalformat, width, height);
+}
+
+gl::Error RenderbufferD3D::setStorageMultisample(size_t samples, GLenum internalformat, size_t width, size_t height)
+{
+    // If the renderbuffer parameters are queried, the calling function
+    // will expect one of the valid renderbuffer formats for use in
+    // glRenderbufferStorage, but we should create depth and stencil buffers
+    // as DEPTH24_STENCIL8
+    GLenum creationFormat = internalformat;
+    if (internalformat == GL_DEPTH_COMPONENT16 || internalformat == GL_STENCIL_INDEX8)
+    {
+        creationFormat = GL_DEPTH24_STENCIL8_OES;
+    }
+
+    // ANGLE_framebuffer_multisample states GL_OUT_OF_MEMORY is generated on a failure to create
+    // the specified storage.
+    // Because ES 3.0 already knows the exact number of supported samples, it would already have been
+    // validated and generated GL_INVALID_VALUE.
+    const gl::TextureCaps &formatCaps = mRenderer->getNativeTextureCaps().get(creationFormat);
+    if (samples > formatCaps.getMaxSamples())
+    {
+        return gl::Error(GL_OUT_OF_MEMORY, "Renderbuffer format does not support %u samples, %u is the maximum.",
+                         samples, formatCaps.getMaxSamples());
+    }
+
+    RenderTargetD3D *newRT = NULL;
+    ANGLE_TRY(mRenderer->createRenderTarget(static_cast<int>(width), static_cast<int>(height),
+                                            creationFormat, static_cast<GLsizei>(samples), &newRT));
+
+    SafeDelete(mRenderTarget);
+    mImage        = nullptr;
+    mRenderTarget = newRT;
+
+    return gl::NoError();
+}
+
+gl::Error RenderbufferD3D::setStorageEGLImageTarget(egl::Image *image)
+{
+    mImage = GetImplAs<EGLImageD3D>(image);
+    SafeDelete(mRenderTarget);
+
+    return gl::NoError();
+}
+
+gl::Error RenderbufferD3D::getRenderTarget(RenderTargetD3D **outRenderTarget)
+{
+    if (mImage)
+    {
+        return mImage->getRenderTarget(outRenderTarget);
+    }
+    else
+    {
+        *outRenderTarget = mRenderTarget;
+        return gl::NoError();
+    }
+}
+
+gl::Error RenderbufferD3D::getAttachmentRenderTarget(const gl::FramebufferAttachment::Target &target,
+                                                     FramebufferAttachmentRenderTarget **rtOut)
+{
+    return getRenderTarget(reinterpret_cast<RenderTargetD3D **>(rtOut));
+}
+
+}