зеркало из https://github.com/mozilla/gecko-dev.git
79 строки
2.4 KiB
C++
79 строки
2.4 KiB
C++
/* -*- 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 "GLContext.h"
|
|
#include "js/Array.h" // JS::NewArrayObject
|
|
#include "mozilla/dom/WebGL2RenderingContextBinding.h"
|
|
#include "mozilla/RefPtr.h"
|
|
#include "WebGLBuffer.h"
|
|
#include "WebGLContext.h"
|
|
#include "WebGLProgram.h"
|
|
#include "WebGLVertexArray.h"
|
|
#include "WebGLVertexAttribData.h"
|
|
|
|
namespace mozilla {
|
|
|
|
// -------------------------------------------------------------------------
|
|
// Uniform Buffer Objects and Transform Feedback Buffers
|
|
|
|
Maybe<double> WebGL2Context::GetIndexedParameter(const GLenum pname,
|
|
const uint32_t index) const {
|
|
const FuncScope funcScope(*this, "getIndexedParameter");
|
|
if (IsContextLost()) return {};
|
|
|
|
const auto* bindings = &mIndexedUniformBufferBindings;
|
|
const char* limitStr = "MAX_UNIFORM_BUFFER_BINDINGS";
|
|
switch (pname) {
|
|
case LOCAL_GL_UNIFORM_BUFFER_START:
|
|
case LOCAL_GL_UNIFORM_BUFFER_SIZE:
|
|
break;
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
|
|
bindings = &(mBoundTransformFeedback->mIndexedBindings);
|
|
limitStr = "MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS";
|
|
break;
|
|
|
|
default:
|
|
ErrorInvalidEnumInfo("pname", pname);
|
|
return {};
|
|
}
|
|
|
|
if (index >= bindings->size()) {
|
|
ErrorInvalidValue("`index` must be < %s.", limitStr);
|
|
return {};
|
|
}
|
|
const auto& binding = (*bindings)[index];
|
|
|
|
switch (pname) {
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_START:
|
|
case LOCAL_GL_UNIFORM_BUFFER_START:
|
|
return Some(binding.mRangeStart);
|
|
break;
|
|
|
|
case LOCAL_GL_TRANSFORM_FEEDBACK_BUFFER_SIZE:
|
|
case LOCAL_GL_UNIFORM_BUFFER_SIZE:
|
|
return Some(binding.mRangeSize);
|
|
|
|
default:
|
|
MOZ_CRASH("impossible");
|
|
}
|
|
}
|
|
|
|
void WebGL2Context::UniformBlockBinding(WebGLProgram& program,
|
|
GLuint uniformBlockIndex,
|
|
GLuint uniformBlockBinding) {
|
|
const FuncScope funcScope(*this, "uniformBlockBinding");
|
|
if (IsContextLost()) return;
|
|
|
|
if (!ValidateObject("program", program)) return;
|
|
|
|
program.UniformBlockBinding(uniformBlockIndex, uniformBlockBinding);
|
|
}
|
|
|
|
} // namespace mozilla
|