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- /* 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 "WebGLContext.h"
- #include "WebGLFormats.h"
- #ifdef FOO
- #error FOO is already defined! We use FOO() macros to keep things succinct in this file.
- #endif
- namespace mozilla {
- WebGLExtensionColorBufferFloat::WebGLExtensionColorBufferFloat(WebGLContext* webgl)
- : WebGLExtensionBase(webgl)
- {
- MOZ_ASSERT(IsSupported(webgl), "Don't construct extension if unsupported.");
- auto& fua = webgl->mFormatUsage;
- auto fnUpdateUsage = [&fua](GLenum sizedFormat, webgl::EffectiveFormat effFormat) {
- auto usage = fua->EditUsage(effFormat);
- usage->SetRenderable();
- fua->AllowRBFormat(sizedFormat, usage);
- };
- #define FOO(x) fnUpdateUsage(LOCAL_GL_ ## x, webgl::EffectiveFormat::x)
- // The extension doesn't actually add RGB32F; only RGBA32F.
- FOO(RGBA32F);
- #undef FOO
- }
- WebGLExtensionColorBufferFloat::~WebGLExtensionColorBufferFloat()
- {
- }
- bool
- WebGLExtensionColorBufferFloat::IsSupported(const WebGLContext* webgl)
- {
- gl::GLContext* gl = webgl->GL();
- // ANGLE supports this, but doesn't have a way to advertize its support,
- // since it's compliant with WEBGL_color_buffer_float's clamping, but not
- // EXT_color_buffer_float.
- return gl->IsSupported(gl::GLFeature::renderbuffer_color_float) ||
- gl->IsANGLE();
- }
- IMPL_WEBGL_EXTENSION_GOOP(WebGLExtensionColorBufferFloat, WEBGL_color_buffer_float)
- } // namespace mozilla
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