Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
michael@0 | 1 | /* vim: se cin sw=2 ts=2 et : */ |
michael@0 | 2 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
michael@0 | 3 | * |
michael@0 | 4 | * This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 5 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 6 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 7 | |
michael@0 | 8 | #include "GfxInfoWebGL.h" |
michael@0 | 9 | |
michael@0 | 10 | #include "nsServiceManagerUtils.h" |
michael@0 | 11 | |
michael@0 | 12 | #include "GLDefs.h" |
michael@0 | 13 | #include "nsIDOMWebGLRenderingContext.h" |
michael@0 | 14 | #include "nsICanvasRenderingContextInternal.h" |
michael@0 | 15 | |
michael@0 | 16 | using namespace mozilla::widget; |
michael@0 | 17 | |
michael@0 | 18 | nsresult |
michael@0 | 19 | GfxInfoWebGL::GetWebGLParameter(const nsAString& aParam, nsAString& aResult) |
michael@0 | 20 | { |
michael@0 | 21 | GLenum param; |
michael@0 | 22 | |
michael@0 | 23 | if (aParam.EqualsLiteral("vendor")) param = LOCAL_GL_VENDOR; |
michael@0 | 24 | else if (aParam.EqualsLiteral("renderer")) param = LOCAL_GL_RENDERER; |
michael@0 | 25 | else if (aParam.EqualsLiteral("version")) param = LOCAL_GL_VERSION; |
michael@0 | 26 | else if (aParam.EqualsLiteral("shading_language_version")) param = LOCAL_GL_SHADING_LANGUAGE_VERSION; |
michael@0 | 27 | else if (aParam.EqualsLiteral("extensions")) param = LOCAL_GL_EXTENSIONS; |
michael@0 | 28 | else if (aParam.EqualsLiteral("full-renderer")) param = 0; |
michael@0 | 29 | else return NS_ERROR_INVALID_ARG; |
michael@0 | 30 | |
michael@0 | 31 | nsCOMPtr<nsIDOMWebGLRenderingContext> webgl = |
michael@0 | 32 | do_CreateInstance("@mozilla.org/content/canvas-rendering-context;1?id=experimental-webgl"); |
michael@0 | 33 | if (!webgl) |
michael@0 | 34 | return NS_ERROR_NOT_AVAILABLE; |
michael@0 | 35 | |
michael@0 | 36 | nsCOMPtr<nsICanvasRenderingContextInternal> webglInternal = |
michael@0 | 37 | do_QueryInterface(webgl); |
michael@0 | 38 | if (!webglInternal) |
michael@0 | 39 | return NS_ERROR_NOT_AVAILABLE; |
michael@0 | 40 | |
michael@0 | 41 | nsresult rv = webglInternal->SetDimensions(16, 16); |
michael@0 | 42 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 43 | |
michael@0 | 44 | if (param) |
michael@0 | 45 | return webgl->MozGetUnderlyingParamString(param, aResult); |
michael@0 | 46 | |
michael@0 | 47 | // this is the "full renderer" string, which is vendor + renderer + version |
michael@0 | 48 | |
michael@0 | 49 | nsAutoString str; |
michael@0 | 50 | |
michael@0 | 51 | rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_VENDOR, str); |
michael@0 | 52 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 53 | |
michael@0 | 54 | aResult.Append(str); |
michael@0 | 55 | aResult.AppendLiteral(" -- "); |
michael@0 | 56 | |
michael@0 | 57 | rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_RENDERER, str); |
michael@0 | 58 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 59 | |
michael@0 | 60 | aResult.Append(str); |
michael@0 | 61 | aResult.AppendLiteral(" -- "); |
michael@0 | 62 | |
michael@0 | 63 | rv = webgl->MozGetUnderlyingParamString(LOCAL_GL_VERSION, str); |
michael@0 | 64 | NS_ENSURE_SUCCESS(rv, rv); |
michael@0 | 65 | |
michael@0 | 66 | aResult.Append(str); |
michael@0 | 67 | |
michael@0 | 68 | return NS_OK; |
michael@0 | 69 | } |