96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGL2Context.h"
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#include "GLContext.h"
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#include "WebGLContextUtils.h"
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namespace mozilla {
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void
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WebGL2Context::GetInternalformatParameter(JSContext* cx, GLenum target,
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GLenum internalformat, GLenum pname,
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JS::MutableHandleValue retval,
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ErrorResult& out_rv)
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{
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const char funcName[] = "getInternalfomratParameter";
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retval.setObjectOrNull(nullptr);
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if (IsContextLost())
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return;
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if (target != LOCAL_GL_RENDERBUFFER) {
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ErrorInvalidEnum("%s: `target` must be RENDERBUFFER, was: 0x%04x.", funcName,
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target);
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return;
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}
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// GLES 3.0.4 $4.4.4 p212:
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// "An internal format is color-renderable if it is one of the formats from table 3.13
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// noted as color-renderable or if it is unsized format RGBA or RGB."
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GLenum sizedFormat;
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switch (internalformat) {
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case LOCAL_GL_RGB:
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sizedFormat = LOCAL_GL_RGB8;
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break;
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case LOCAL_GL_RGBA:
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sizedFormat = LOCAL_GL_RGBA8;
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break;
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default:
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sizedFormat = internalformat;
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break;
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}
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// In RenderbufferStorage, we allow DEPTH_STENCIL. Therefore, it is accepted for
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// internalformat as well. Please ignore the conformance test fail for DEPTH_STENCIL.
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const auto usage = mFormatUsage->GetRBUsage(sizedFormat);
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if (!usage) {
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ErrorInvalidEnum("%s: `internalformat` must be color-, depth-, or stencil-renderable, was: 0x%04x.",
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funcName, internalformat);
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return;
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}
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if (pname != LOCAL_GL_SAMPLES) {
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ErrorInvalidEnumInfo("%s: `pname` must be SAMPLES, was 0x%04x.", funcName, pname);
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return;
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}
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GLint* samples = nullptr;
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GLint sampleCount = 0;
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gl->fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalformat,
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LOCAL_GL_NUM_SAMPLE_COUNTS, 1, &sampleCount);
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if (sampleCount > 0) {
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samples = new GLint[sampleCount];
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gl->fGetInternalformativ(LOCAL_GL_RENDERBUFFER, internalformat, LOCAL_GL_SAMPLES,
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sampleCount, samples);
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}
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JSObject* obj = dom::Int32Array::Create(cx, this, sampleCount, samples);
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if (!obj) {
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out_rv = NS_ERROR_OUT_OF_MEMORY;
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}
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delete[] samples;
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retval.setObjectOrNull(obj);
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}
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void
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WebGL2Context::RenderbufferStorageMultisample(GLenum target, GLsizei samples,
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GLenum internalFormat,
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GLsizei width, GLsizei height)
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{
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const char funcName[] = "renderbufferStorageMultisample";
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if (IsContextLost())
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return;
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RenderbufferStorage_base(funcName, target, samples, internalFormat, width, height);
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}
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} // namespace mozilla
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