mirror of
https://github.com/Feodor2/Mypal68.git
synced 2025-06-18 23:05:40 -04:00
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
/* 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 {
|
|
|
|
WebGLExtensionBase::WebGLExtensionBase(WebGLContext* context)
|
|
: WebGLContextBoundObject(context), mIsLost(false) {}
|
|
|
|
WebGLExtensionBase::~WebGLExtensionBase() {}
|
|
|
|
void WebGLExtensionBase::MarkLost() {
|
|
mIsLost = true;
|
|
|
|
OnMarkLost();
|
|
}
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(WebGLExtensionBase)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(WebGLExtensionBase, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(WebGLExtensionBase, Release)
|
|
|
|
// -
|
|
|
|
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();
|
|
}
|
|
|
|
void WebGLExtensionExplicitPresent::Present() const {
|
|
if (mIsLost || !mContext) return;
|
|
mContext->PresentScreenBuffer();
|
|
}
|
|
|
|
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionExplicitPresent, WEBGL_explicit_present)
|
|
|
|
// -
|
|
|
|
WebGLExtensionFloatBlend::WebGLExtensionFloatBlend(WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
WebGLExtensionFloatBlend::~WebGLExtensionFloatBlend() = default;
|
|
|
|
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);
|
|
}
|
|
|
|
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionFloatBlend, EXT_float_blend)
|
|
|
|
// -
|
|
|
|
WebGLExtensionFBORenderMipmap::WebGLExtensionFBORenderMipmap(
|
|
WebGLContext* const webgl)
|
|
: WebGLExtensionBase(webgl) {
|
|
MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
|
|
}
|
|
|
|
WebGLExtensionFBORenderMipmap::~WebGLExtensionFBORenderMipmap() = default;
|
|
|
|
bool WebGLExtensionFBORenderMipmap::IsSupported(
|
|
const WebGLContext* const webgl) {
|
|
if (webgl->IsWebGL2()) return false;
|
|
if (!StaticPrefs::webgl_enable_draft_extensions()) {
|
|
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);
|
|
}
|
|
|
|
IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionFBORenderMipmap, OES_fbo_render_mipmap)
|
|
|
|
} // namespace mozilla
|