gecko-dev/dom/canvas/WebGL2ContextRenderbuffers.cpp

67 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "WebGLContextUtils.h"
namespace mozilla {
void
WebGL2Context::GetInternalformatParameter(JSContext* cx, GLenum target,
GLenum internalformat, GLenum pname,
JS::MutableHandleValue retval,
ErrorResult& rv)
{
if (IsContextLost())
return;
if (target != LOCAL_GL_RENDERBUFFER) {
return ErrorInvalidEnumInfo("getInternalfomratParameter: target must be "
"RENDERBUFFER. Was:", target);
}
// GL_INVALID_ENUM is generated if internalformat is not color-,
// depth-, or stencil-renderable.
// TODO: When format table queries lands.
if (pname != LOCAL_GL_SAMPLES) {
return ErrorInvalidEnumInfo("getInternalformatParameter: pname must be SAMPLES. "
"Was:", pname);
}
GLint* samples = nullptr;
GLint sampleCount = 0;
gl->fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalformat,
LOCAL_GL_NUM_SAMPLE_COUNTS, 1, &sampleCount);
if (sampleCount > 0) {
samples = new GLint[sampleCount];
gl->fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalformat, LOCAL_GL_SAMPLES,
sampleCount, samples);
}
JSObject* obj = dom::Int32Array::Create(cx, this, sampleCount, samples);
if (!obj) {
rv = NS_ERROR_OUT_OF_MEMORY;
}
delete[] samples;
retval.setObjectOrNull(obj);
}
void
WebGL2Context::RenderbufferStorageMultisample(GLenum target, GLsizei samples,
GLenum internalFormat,
GLsizei width, GLsizei height)
{
RenderbufferStorage_base("renderbufferStorageMultisample", target, samples,
internalFormat, width, height);
}
} // namespace mozilla