setupRenderBufferStorage method
void
setupRenderBufferStorage(
- Renderbuffer renderbuffer,
- RenderTarget renderTarget,
- bool isMultisample
Implementation
void setupRenderBufferStorage(Renderbuffer renderbuffer, RenderTarget renderTarget, bool isMultisample) {
gl.bindRenderbuffer(WebGL.RENDERBUFFER, renderbuffer);
if (renderTarget.depthBuffer && !renderTarget.stencilBuffer) {
dynamic glInternalFormat = WebGL.DEPTH_COMPONENT16;
if (isMultisample || useMultisampledRenderToTexture(renderTarget)) {
final depthTexture = renderTarget.depthTexture;
if (depthTexture != null) {
if (depthTexture.type == FloatType) {
glInternalFormat = WebGL.DEPTH_COMPONENT32F;
} else if (depthTexture.type == UnsignedIntType) {
glInternalFormat = WebGL.DEPTH_COMPONENT24;
}
}
final samples = getRenderTargetSamples(renderTarget);
// gl.renderbufferStorageMultisample(gl.RENDERBUFFER, samples,
// glInternalFormat, renderTarget.width, renderTarget.height);
if (useMultisampledRenderToTexture(renderTarget)) {
multisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT(
WebGL.RENDERBUFFER, samples, glInternalFormat, renderTarget.width.toInt(), renderTarget.height.toInt());
} else {
gl.renderbufferStorageMultisample(
WebGL.RENDERBUFFER, samples, glInternalFormat, renderTarget.width.toInt(), renderTarget.height.toInt());
}
} else {
gl.renderbufferStorage(
WebGL.RENDERBUFFER, glInternalFormat, renderTarget.width.toInt(), renderTarget.height.toInt());
}
gl.framebufferRenderbuffer(WebGL.FRAMEBUFFER, WebGL.DEPTH_ATTACHMENT, WebGL.RENDERBUFFER, renderbuffer);
} else if (renderTarget.depthBuffer && renderTarget.stencilBuffer) {
final samples = getRenderTargetSamples(renderTarget);
if (isMultisample && useMultisampledRenderToTexture(renderTarget) == false) {
final samples = getRenderTargetSamples(renderTarget);
gl.renderbufferStorageMultisample(
WebGL.RENDERBUFFER, samples, WebGL.DEPTH24_STENCIL8, renderTarget.width.toInt(), renderTarget.height.toInt());
} else if (useMultisampledRenderToTexture(renderTarget)) {
multisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT(
WebGL.RENDERBUFFER, samples, WebGL.DEPTH24_STENCIL8, renderTarget.width.toInt(), renderTarget.height.toInt());
} else {
gl.renderbufferStorage(WebGL.RENDERBUFFER, WebGL.DEPTH_STENCIL, renderTarget.width, renderTarget.height);
}
gl.framebufferRenderbuffer(WebGL.FRAMEBUFFER, WebGL.DEPTH_STENCIL_ATTACHMENT, WebGL.RENDERBUFFER, renderbuffer);
} else {
// Use the first texture for MRT so far
final texture = renderTarget.isWebGLMultipleRenderTargets == true ? (renderTarget.texture as GroupTexture).children[0] : renderTarget.texture;
final glFormat = utils.convert(texture.format);
final glType = utils.convert(texture.type);
final glInternalFormat = getInternalFormat(texture.internalFormat, glFormat, glType, texture.encoding);
final samples = getRenderTargetSamples(renderTarget);
if (isMultisample && useMultisampledRenderToTexture(renderTarget) == false) {
gl.renderbufferStorageMultisample(
WebGL.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height);
} else if (useMultisampledRenderToTexture(renderTarget)) {
multisampledRenderToTextureExtension.renderbufferStorageMultisampleEXT(
WebGL.RENDERBUFFER, samples, glInternalFormat, renderTarget.width, renderTarget.height);
} else {
gl.renderbufferStorage(WebGL.RENDERBUFFER, glInternalFormat, renderTarget.width, renderTarget.height);
}
}
gl.bindRenderbuffer(WebGL.RENDERBUFFER, null);
}