Add m-esr52 at 52.6.0

1 files changed, 214 insertions, 0 deletions

diff --git a/dom/canvas/WebGLSampler.cpp b/dom/canvas/WebGLSampler.cpp
new file mode 100644
index 000000000..b777eaeff
--- /dev/null
+++ b/dom/canvas/WebGLSampler.cpp
@@ -0,0 +1,214 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* 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 "WebGLSampler.h"
+
+#include "GLContext.h"
+#include "mozilla/dom/WebGL2RenderingContextBinding.h"
+#include "WebGLContext.h"
+
+namespace mozilla {
+
+WebGLSampler::WebGLSampler(WebGLContext* webgl, GLuint sampler)
+    : WebGLRefCountedObject(webgl)
+    , mGLName(sampler)
+    , mMinFilter(LOCAL_GL_NEAREST_MIPMAP_LINEAR)
+    , mMagFilter(LOCAL_GL_LINEAR)
+    , mWrapS(LOCAL_GL_REPEAT)
+    , mWrapT(LOCAL_GL_REPEAT)
+    , mWrapR(LOCAL_GL_REPEAT)
+    , mMinLod(-1000)
+    , mMaxLod(1000)
+    , mCompareMode(LOCAL_GL_NONE)
+    , mCompareFunc(LOCAL_GL_LEQUAL)
+{
+    mContext->mSamplers.insertBack(this);
+}
+
+WebGLSampler::~WebGLSampler()
+{
+    DeleteOnce();
+}
+
+void
+WebGLSampler::Delete()
+{
+    mContext->MakeContextCurrent();
+    mContext->gl->fDeleteSamplers(1, &mGLName);
+
+    removeFrom(mContext->mSamplers);
+}
+
+WebGLContext*
+WebGLSampler::GetParentObject() const
+{
+    return mContext;
+}
+
+JSObject*
+WebGLSampler::WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto)
+{
+    return dom::WebGLSamplerBinding::Wrap(cx, this, givenProto);
+}
+
+static bool
+ValidateSamplerParameterParams(WebGLContext* webgl, const char* funcName, GLenum pname,
+                               const FloatOrInt& param)
+{
+    const auto& paramInt = param.i;
+
+    switch (pname) {
+    case LOCAL_GL_TEXTURE_MIN_FILTER:
+        switch (paramInt) {
+        case LOCAL_GL_NEAREST:
+        case LOCAL_GL_LINEAR:
+        case LOCAL_GL_NEAREST_MIPMAP_NEAREST:
+        case LOCAL_GL_NEAREST_MIPMAP_LINEAR:
+        case LOCAL_GL_LINEAR_MIPMAP_NEAREST:
+        case LOCAL_GL_LINEAR_MIPMAP_LINEAR:
+            return true;
+
+        default:
+            break;
+        }
+        break;
+
+    case LOCAL_GL_TEXTURE_MAG_FILTER:
+        switch (paramInt) {
+        case LOCAL_GL_NEAREST:
+        case LOCAL_GL_LINEAR:
+            return true;
+
+        default:
+            break;
+        }
+        break;
+
+    case LOCAL_GL_TEXTURE_WRAP_S:
+    case LOCAL_GL_TEXTURE_WRAP_T:
+    case LOCAL_GL_TEXTURE_WRAP_R:
+        switch (paramInt) {
+        case LOCAL_GL_CLAMP_TO_EDGE:
+        case LOCAL_GL_REPEAT:
+        case LOCAL_GL_MIRRORED_REPEAT:
+            return true;
+
+        default:
+            break;
+        }
+        break;
+
+    case LOCAL_GL_TEXTURE_MIN_LOD:
+    case LOCAL_GL_TEXTURE_MAX_LOD:
+        return true;
+
+    case LOCAL_GL_TEXTURE_COMPARE_MODE:
+        switch (paramInt) {
+        case LOCAL_GL_NONE:
+        case LOCAL_GL_COMPARE_REF_TO_TEXTURE:
+            return true;
+
+        default:
+            break;
+        }
+        break;
+
+    case LOCAL_GL_TEXTURE_COMPARE_FUNC:
+        switch (paramInt) {
+        case LOCAL_GL_LEQUAL:
+        case LOCAL_GL_GEQUAL:
+        case LOCAL_GL_LESS:
+        case LOCAL_GL_GREATER:
+        case LOCAL_GL_EQUAL:
+        case LOCAL_GL_NOTEQUAL:
+        case LOCAL_GL_ALWAYS:
+        case LOCAL_GL_NEVER:
+            return true;
+
+        default:
+            break;
+        }
+        break;
+
+    default:
+        webgl->ErrorInvalidEnumArg(funcName, "pname", pname);
+        return false;
+    }
+
+    webgl->ErrorInvalidEnumArg(funcName, "param", paramInt);
+    return false;
+}
+
+void
+WebGLSampler::SamplerParameter(const char* funcName, GLenum pname,
+                               const FloatOrInt& param)
+{
+    if (!ValidateSamplerParameterParams(mContext, funcName, pname, param))
+        return;
+
+    switch (pname) {
+    case LOCAL_GL_TEXTURE_MIN_FILTER:
+        mMinFilter = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_MAG_FILTER:
+        mMagFilter = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_WRAP_S:
+        mWrapS = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_WRAP_T:
+        mWrapT = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_WRAP_R:
+        mWrapR = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_COMPARE_MODE:
+        mCompareMode = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_COMPARE_FUNC:
+        mCompareFunc = param.i;
+        break;
+
+    case LOCAL_GL_TEXTURE_MIN_LOD:
+        mMinLod = param.f;
+        break;
+
+    case LOCAL_GL_TEXTURE_MAX_LOD:
+        mMaxLod = param.f;
+        break;
+
+    default:
+        MOZ_CRASH("GFX: Unhandled pname");
+        break;
+    }
+
+    for (uint32_t i = 0; i < mContext->mBoundSamplers.Length(); ++i) {
+        if (this == mContext->mBoundSamplers[i])
+            mContext->InvalidateResolveCacheForTextureWithTexUnit(i);
+    }
+
+    ////
+
+    mContext->gl->MakeCurrent();
+    if (param.isFloat) {
+        mContext->gl->fSamplerParameterf(mGLName, pname, param.f);
+    } else {
+        mContext->gl->fSamplerParameteri(mGLName, pname, param.i);
+    }
+}
+
+////
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLSampler)
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLSampler, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLSampler, Release)
+
+} // namespace mozilla