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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/WebGLVertexArray.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/WebGLVertexArray.cpp')
-rw-r--r-- | dom/canvas/WebGLVertexArray.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/dom/canvas/WebGLVertexArray.cpp b/dom/canvas/WebGLVertexArray.cpp new file mode 100644 index 0000000000..360d2dc057 --- /dev/null +++ b/dom/canvas/WebGLVertexArray.cpp @@ -0,0 +1,70 @@ +/* -*- 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 "WebGLVertexArray.h" + +#include "GLContext.h" +#include "mozilla/dom/WebGLRenderingContextBinding.h" +#include "WebGLBuffer.h" +#include "WebGLContext.h" +#include "WebGLVertexArrayGL.h" +#include "WebGLVertexArrayFake.h" + +namespace mozilla { + +WebGLVertexArray* WebGLVertexArray::Create(WebGLContext* webgl) { + if (webgl->gl->IsSupported(gl::GLFeature::vertex_array_object)) { + return new WebGLVertexArrayGL(webgl); + } + return new WebGLVertexArrayFake(webgl); +} + +WebGLVertexArray::WebGLVertexArray(WebGLContext* const webgl) + : WebGLContextBoundObject(webgl) { + const webgl::VertAttribPointerDesc defaultDesc; + const webgl::VertAttribPointerCalculated defaultCalc; + for (const auto i : IntegerRange(mContext->MaxVertexAttribs())) { + AttribPointer(i, nullptr, defaultDesc, defaultCalc); + } +} + +WebGLVertexArray::~WebGLVertexArray() = default; + +Maybe<double> WebGLVertexArray::GetVertexAttrib(const uint32_t index, + const GLenum pname) const { + const auto& binding = mBindings[index]; + const auto& desc = mDescs[index]; + + switch (pname) { + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_STRIDE: + return Some(desc.byteStrideOrZero); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_SIZE: + return Some(desc.channels); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_TYPE: + return Some(desc.type); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_INTEGER: + return Some(desc.intFunc); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_DIVISOR: + return Some(binding.layout.divisor); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_ENABLED: + return Some(binding.layout.isArray); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_NORMALIZED: + return Some(desc.normalized); + + case LOCAL_GL_VERTEX_ATTRIB_ARRAY_POINTER: + return Some(binding.layout.byteOffset); + + default: + return {}; + } +} + +} // namespace mozilla |