зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
3.1 KiB
C++
97 строки
3.1 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& out_rv)
|
|
{
|
|
const char funcName[] = "getInternalfomratParameter";
|
|
retval.setObjectOrNull(nullptr);
|
|
|
|
if (IsContextLost())
|
|
return;
|
|
|
|
if (target != LOCAL_GL_RENDERBUFFER) {
|
|
ErrorInvalidEnum("%s: `target` must be RENDERBUFFER, was: 0x%04x.", funcName,
|
|
target);
|
|
return;
|
|
}
|
|
|
|
// GLES 3.0.4 $4.4.4 p212:
|
|
// "An internal format is color-renderable if it is one of the formats from table 3.13
|
|
// noted as color-renderable or if it is unsized format RGBA or RGB."
|
|
|
|
GLenum sizedFormat;
|
|
switch (internalformat) {
|
|
case LOCAL_GL_RGB:
|
|
sizedFormat = LOCAL_GL_RGB8;
|
|
break;
|
|
case LOCAL_GL_RGBA:
|
|
sizedFormat = LOCAL_GL_RGBA8;
|
|
break;
|
|
default:
|
|
sizedFormat = internalformat;
|
|
break;
|
|
}
|
|
|
|
// In RenderbufferStorage, we allow DEPTH_STENCIL. Therefore, it is accepted for
|
|
// internalformat as well. Please ignore the conformance test fail for DEPTH_STENCIL.
|
|
|
|
const auto usage = mFormatUsage->GetRBUsage(sizedFormat);
|
|
if (!usage) {
|
|
ErrorInvalidEnum("%s: `internalformat` must be color-, depth-, or stencil-renderable, was: 0x%04x.",
|
|
funcName, internalformat);
|
|
return;
|
|
}
|
|
|
|
if (pname != LOCAL_GL_SAMPLES) {
|
|
ErrorInvalidEnumInfo("%s: `pname` must be SAMPLES, was 0x%04x.", funcName, pname);
|
|
return;
|
|
}
|
|
|
|
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) {
|
|
out_rv = NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
delete[] samples;
|
|
|
|
retval.setObjectOrNull(obj);
|
|
}
|
|
|
|
void
|
|
WebGL2Context::RenderbufferStorageMultisample(GLenum target, GLsizei samples,
|
|
GLenum internalFormat,
|
|
GLsizei width, GLsizei height)
|
|
{
|
|
const char funcName[] = "renderbufferStorageMultisample";
|
|
if (IsContextLost())
|
|
return;
|
|
|
|
RenderbufferStorage_base(funcName, target, samples, internalFormat, width, height);
|
|
}
|
|
|
|
} // namespace mozilla
|