1 files changed, 33 insertions, 0 deletions
diff --git a/dom/canvas/WebGLExtensionTextureFloatLinear.cpp b/dom/canvas/WebGLExtensionTextureFloatLinear.cpp
new file mode 100644
index 0000000000..ee0ceec0a8
--- /dev/null
+++ b/dom/canvas/WebGLExtensionTextureFloatLinear.cpp
@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "WebGLExtensions.h"
+
+#include "GLContext.h"
+#include "mozilla/dom/WebGLRenderingContextBinding.h"
+#include "WebGLContext.h"
+#include "WebGLFormats.h"
+
+namespace mozilla {
+
+WebGLExtensionTextureFloatLinear::WebGLExtensionTextureFloatLinear(
+    WebGLContext* webgl)
+    : WebGLExtensionBase(webgl) {
+  auto& fua = webgl->mFormatUsage;
+
+  fua->EditUsage(webgl::EffectiveFormat::RGBA32F)->isFilterable = true;
+  fua->EditUsage(webgl::EffectiveFormat::RGB32F)->isFilterable = true;
+
+  if (webgl->IsWebGL2()) {
+    fua->EditUsage(webgl::EffectiveFormat::R32F)->isFilterable = true;
+    fua->EditUsage(webgl::EffectiveFormat::RG32F)->isFilterable = true;
+  } else {
+    fua->EditUsage(webgl::EffectiveFormat::Luminance32FAlpha32F)->isFilterable =
+        true;
+    fua->EditUsage(webgl::EffectiveFormat::Luminance32F)->isFilterable = true;
+    fua->EditUsage(webgl::EffectiveFormat::Alpha32F)->isFilterable = true;
+  }
+}
+
+}  // namespace mozilla