1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/src/WebGLExtensionInstancedArrays.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,63 @@
1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#include "WebGLContext.h"
1.10 +#include "WebGLExtensions.h"
1.11 +#include "mozilla/dom/WebGLRenderingContextBinding.h"
1.12 +#include "GLContext.h"
1.13 +
1.14 +using namespace mozilla;
1.15 +
1.16 +WebGLExtensionInstancedArrays::WebGLExtensionInstancedArrays(WebGLContext* context)
1.17 + : WebGLExtensionBase(context)
1.18 +{
1.19 + MOZ_ASSERT(IsSupported(context), "should not construct WebGLExtensionInstancedArrays: "
1.20 + "ANGLE_instanced_arrays unsupported.");
1.21 +}
1.22 +
1.23 +WebGLExtensionInstancedArrays::~WebGLExtensionInstancedArrays()
1.24 +{
1.25 +}
1.26 +
1.27 +void
1.28 +WebGLExtensionInstancedArrays::DrawArraysInstancedANGLE(GLenum mode, GLint first,
1.29 + GLsizei count, GLsizei primcount)
1.30 +{
1.31 + if (mIsLost)
1.32 + return mContext->ErrorInvalidOperation("drawArraysInstancedANGLE: Extension is lost.");
1.33 +
1.34 + mContext->DrawArraysInstanced(mode, first, count, primcount);
1.35 +}
1.36 +
1.37 +void
1.38 +WebGLExtensionInstancedArrays::DrawElementsInstancedANGLE(GLenum mode, GLsizei count,
1.39 + GLenum type, WebGLintptr offset,
1.40 + GLsizei primcount)
1.41 +{
1.42 + if (mIsLost)
1.43 + return mContext->ErrorInvalidOperation("drawElementsInstancedANGLE: Extension is lost.");
1.44 +
1.45 + mContext->DrawElementsInstanced(mode, count, type, offset, primcount);
1.46 +}
1.47 +
1.48 +void
1.49 +WebGLExtensionInstancedArrays::VertexAttribDivisorANGLE(GLuint index, GLuint divisor)
1.50 +{
1.51 + if (mIsLost)
1.52 + return mContext->ErrorInvalidOperation("vertexAttribDivisorANGLE: Extension is lost.");
1.53 +
1.54 + mContext->VertexAttribDivisor(index, divisor);
1.55 +}
1.56 +
1.57 +bool
1.58 +WebGLExtensionInstancedArrays::IsSupported(const WebGLContext* context)
1.59 +{
1.60 + gl::GLContext* gl = context->GL();
1.61 +
1.62 + return gl->IsSupported(gl::GLFeature::draw_instanced) &&
1.63 + gl->IsSupported(gl::GLFeature::instanced_arrays);
1.64 +}
1.65 +
1.66 +IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionInstancedArrays)
