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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/WebGL2ContextTransformFeedback.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/WebGL2ContextTransformFeedback.cpp')
-rw-r--r-- | dom/canvas/WebGL2ContextTransformFeedback.cpp | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/dom/canvas/WebGL2ContextTransformFeedback.cpp b/dom/canvas/WebGL2ContextTransformFeedback.cpp new file mode 100644 index 0000000000..3dc6484604 --- /dev/null +++ b/dom/canvas/WebGL2ContextTransformFeedback.cpp @@ -0,0 +1,94 @@ +/* -*- Mode: C++; tab-width: 4; 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 "WebGL2Context.h" +#include "WebGLProgram.h" +#include "WebGLTransformFeedback.h" +#include "GLContext.h" + +namespace mozilla { + +// ------------------------------------------------------------------------- +// Transform Feedback + +RefPtr<WebGLTransformFeedback> WebGL2Context::CreateTransformFeedback() { + const FuncScope funcScope(*this, "createTransformFeedback"); + if (IsContextLost()) return nullptr; + + GLuint tf = 0; + gl->fGenTransformFeedbacks(1, &tf); + + return new WebGLTransformFeedback(this, tf); +} + +void WebGL2Context::BindTransformFeedback(WebGLTransformFeedback* tf) { + FuncScope funcScope(*this, "bindTransformFeedback"); + if (IsContextLost()) return; + funcScope.mBindFailureGuard = true; + + if (tf && !ValidateObject("tf", *tf)) return; + + if (mBoundTransformFeedback->mIsActive && + !mBoundTransformFeedback->mIsPaused) { + ErrorInvalidOperation( + "Currently bound transform feedback is active and not" + " paused."); + return; + } + + //// + + mBoundTransformFeedback = (tf ? tf : mDefaultTransformFeedback.get()); + + gl->fBindTransformFeedback(LOCAL_GL_TRANSFORM_FEEDBACK, + mBoundTransformFeedback->mGLName); + + if (mBoundTransformFeedback) { + mBoundTransformFeedback->mHasBeenBound = true; + } + + funcScope.mBindFailureGuard = false; +} + +void WebGL2Context::BeginTransformFeedback(GLenum primMode) { + const FuncScope funcScope(*this, "beginTransformFeedback"); + if (IsContextLost()) return; + + mBoundTransformFeedback->BeginTransformFeedback(primMode); +} + +void WebGL2Context::EndTransformFeedback() { + const FuncScope funcScope(*this, "endTransformFeedback"); + if (IsContextLost()) return; + + mBoundTransformFeedback->EndTransformFeedback(); +} + +void WebGL2Context::PauseTransformFeedback() { + const FuncScope funcScope(*this, "pauseTransformFeedback"); + if (IsContextLost()) return; + + mBoundTransformFeedback->PauseTransformFeedback(); +} + +void WebGL2Context::ResumeTransformFeedback() { + const FuncScope funcScope(*this, "resumeTransformFeedback"); + if (IsContextLost()) return; + + mBoundTransformFeedback->ResumeTransformFeedback(); +} + +void WebGL2Context::TransformFeedbackVaryings( + WebGLProgram& program, const std::vector<std::string>& varyings, + GLenum bufferMode) const { + const FuncScope funcScope(*this, "transformFeedbackVaryings"); + if (IsContextLost()) return; + + if (!ValidateObject("program", program)) return; + + program.TransformFeedbackVaryings(varyings, bufferMode); +} + +} // namespace mozilla |