gecko-dev/dom/canvas/WebGLExtensions.cpp
Jeff Gilbert e1d0fe64bb Bug 1477756 - Client-side bindings mirror for precise CC, and merge similar codepaths. r=handyman
* Context loss using RAII
* Move Program reflection Client-side

Depends on D54018

Differential Revision: https://phabricator.services.mozilla.com/D54019

--HG--
extra : moz-landing-system : lando
2020-01-08 22:19:16 +00:00

89 lines
2.7 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "mozilla/StaticPrefs_webgl.h"
#include "WebGLContext.h"
namespace mozilla {
WebGLExtensionBlendMinMax::WebGLExtensionBlendMinMax(WebGLContext* webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
bool WebGLExtensionBlendMinMax::IsSupported(const WebGLContext* webgl) {
if (webgl->IsWebGL2()) return false;
return webgl->GL()->IsSupported(gl::GLFeature::blend_minmax);
}
// -
WebGLExtensionExplicitPresent::WebGLExtensionExplicitPresent(
WebGLContext* const webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
bool WebGLExtensionExplicitPresent::IsSupported(
const WebGLContext* const webgl) {
return StaticPrefs::webgl_enable_draft_extensions();
}
// -
WebGLExtensionFloatBlend::WebGLExtensionFloatBlend(WebGLContext* const webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
bool WebGLExtensionFloatBlend::IsSupported(const WebGLContext* const webgl) {
if (!WebGLExtensionColorBufferFloat::IsSupported(webgl) &&
!WebGLExtensionEXTColorBufferFloat::IsSupported(webgl))
return false;
const auto& gl = webgl->gl;
if (!gl->IsGLES() && gl->Version() >= 300) return true;
if (gl->IsGLES() && gl->Version() >= 320) return true;
return gl->IsExtensionSupported(gl::GLContext::EXT_float_blend);
}
// -
WebGLExtensionFBORenderMipmap::WebGLExtensionFBORenderMipmap(
WebGLContext* const webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
bool WebGLExtensionFBORenderMipmap::IsSupported(
const WebGLContext* const webgl) {
if (webgl->IsWebGL2()) return false;
const auto& gl = webgl->gl;
if (!gl->IsGLES()) return true;
if (gl->Version() >= 300) return true;
return gl->IsExtensionSupported(gl::GLContext::OES_fbo_render_mipmap);
}
// -
WebGLExtensionMultiview::WebGLExtensionMultiview(WebGLContext* const webgl)
: WebGLExtensionBase(webgl) {
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
}
bool WebGLExtensionMultiview::IsSupported(const WebGLContext* const webgl) {
if (!webgl->IsWebGL2()) return false;
const auto& gl = webgl->gl;
return gl->IsSupported(gl::GLFeature::multiview);
}
} // namespace mozilla