WebGLCompressedTextureETC.cpp   [plain text]

/*
 * Copyright (C) 2019 Google Inc. All rights reserved.
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#include "config.h"

#if ENABLE(WEBGL)
#include "WebGLCompressedTextureETC.h"

#include "Extensions3D.h"
#include "WebGLRenderingContextBase.h"

namespace WebCore {

WebGLCompressedTextureETC::WebGLCompressedTextureETC(WebGLRenderingContextBase& context)
    : WebGLExtension(context)
{
    context.graphicsContext3D()->getExtensions().ensureEnabled("GL_ANGLE_compressed_texture_etc");

    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_R11_EAC);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SIGNED_R11_EAC);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RG11_EAC);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SIGNED_RG11_EAC);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB8_ETC2);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ETC2);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_RGBA8_ETC2_EAC);
    context.addCompressedTextureFormat(Extensions3D::COMPRESSED_SRGB8_ALPHA8_ETC2_EAC);
}

WebGLCompressedTextureETC::~WebGLCompressedTextureETC() = default;

WebGLExtension::ExtensionName WebGLCompressedTextureETC::getName() const
{
    return WebGLCompressedTextureETCName;
}

bool WebGLCompressedTextureETC::supported(WebGLRenderingContextBase& context)
{
    return context.graphicsContext3D()->getExtensions().supports("GL_ANGLE_compressed_texture_etc");
}

} // namespace WebCore

#endif // ENABLE(WEBGL)