void
RenderTexture::createArrayRenderTexture(int jcolor_format, int jdepth_format, bool resolve_depth) {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
GLenum depth_format;
glBindTexture(target_, gl_texture_->id());
texImage3D(jcolor_format, width_, height_, target_);
switch (jdepth_format) {
case DepthFormat::DEPTH_24:
depth_format = GL_DEPTH_COMPONENT24;
break;
case DepthFormat::DEPTH_24_STENCIL_8:
depth_format = GL_DEPTH24_STENCIL8_OES;
break;
default:
depth_format = GL_DEPTH_COMPONENT16;
break;
}
PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC glFramebufferTextureMultiviewOVR =
(PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC) eglGetProcAddress(
"glFramebufferTextureMultiviewOVR");
PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC glFramebufferTextureMultisampleMultiviewOVR =
(PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC) eglGetProcAddress(
"glFramebufferTextureMultisampleMultiviewOVR");
if (jdepth_format != DepthFormat::DEPTH_0)
createArrayTexture(frameBufferDepthTextureId, width_, height_, depth_format);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, renderTexture_gl_frame_buffer_->id());
if (sample_count_ <= 1 && !resolve_depth) {
glFramebufferTextureMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
gl_texture_->id(), 0, 0, 2);
}
if (sample_count_ > 1 && !resolve_depth) {
if (jdepth_format != DepthFormat::DEPTH_0) {
glFramebufferTextureMultisampleMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
frameBufferDepthTextureId, 0, sample_count_,
0, 2);
}
glFramebufferTextureMultisampleMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
gl_texture_->id(), 0, sample_count_, 0, 2);
}
if (resolve_depth && sample_count_ > 1) {
if (jdepth_format != DepthFormat::DEPTH_0)
glFramebufferTextureMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
frameBufferDepthTextureId, 0, 0, 2);
glGenTextures(1, &render_texture_gl_texture_);
glBindTexture(GL_TEXTURE_2D_ARRAY, render_texture_gl_texture_);
texImage3D(jcolor_format, width_, height_, GL_TEXTURE_2D_ARRAY);
glFramebufferTextureMultisampleMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
render_texture_gl_texture_, 0, sample_count_, 0,
2);
}
/* Check BO is OK. */
GLenum result = (glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER));
if (result != GL_FRAMEBUFFER_COMPLETE) {
LOGE("RenderTextureArray::bindFrameBuffer Could not bind framebuffer: %d", result);
switch (result) {
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT :
LOGE("GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT");
break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
LOGE("GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT");
break;
case GL_FRAMEBUFFER_UNSUPPORTED:
LOGE("GL_FRAMEBUFFER_UNSUPPORTED");
break;
}
LOGE("Framebuffer incomplete at %s:%i\n", __FILE__, __LINE__);
/* Unbind framebuffer. */
(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0));
}
checkGLError("glFramebufferTextureMultiviewOVR 2");
glScissor(0, 0, width_, height_);
glViewport(0, 0, width_, height_);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
if (resolve_depth && sample_count_ > 1) {
delete renderTexture_gl_resolve_buffer_;
renderTexture_gl_resolve_buffer_ = new GLFrameBuffer();
glBindFramebuffer(GL_FRAMEBUFFER, renderTexture_gl_resolve_buffer_->id());
glFramebufferTextureMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
gl_texture_->id(), 0, 0, 2);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
LOGE(
"resolve FBO %i is not complete: 0x%x", renderTexture_gl_resolve_buffer_->id(),
status);
}
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
GLMultiviewRenderTexture::GLMultiviewRenderTexture(int width, int height, int sample_count,
int jcolor_format, int jdepth_format, bool resolve_depth,
const TextureParameters* texture_parameters, int layers, int const viewport[]):GLRenderTexture(width, height, sample_count, jcolor_format, jdepth_format,
resolve_depth, texture_parameters, viewport), mLayers_(layers) {
GLRenderImage* colorbuffer = new GLRenderImage(width, height, layers, jcolor_format, texture_parameters);
GLenum depth_format;
setImage(colorbuffer);
initialize();
colorbuffer->isReady();
switch (jdepth_format)
{
case DepthFormat::DEPTH_24:
depth_format = GL_DEPTH_COMPONENT24_OES;
break;
case DepthFormat::DEPTH_24_STENCIL_8:
depth_format = GL_DEPTH24_STENCIL8_OES;
break;
default:
depth_format = GL_DEPTH_COMPONENT16;
break;
}
const GLenum depthStencilAttachment =
GL_DEPTH24_STENCIL8_OES == depth_format ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC glFramebufferTextureMultiviewOVR =
(PFNGLFRAMEBUFFERTEXTUREMULTIVIEWOVRPROC) eglGetProcAddress(
"glFramebufferTextureMultiviewOVR");
PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC glFramebufferTextureMultisampleMultiviewOVR =
(PFNGLFRAMEBUFFERTEXTUREMULTISAMPLEMULTIVIEWOVRPROC) eglGetProcAddress(
"glFramebufferTextureMultisampleMultiviewOVR");
if (jdepth_format != DepthFormat::DEPTH_0)
createArrayTexture(frameBufferDepthTextureId, width, height, depth_format);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, renderTexture_gl_frame_buffer_->id());
if (sample_count <= 1 && !resolve_depth) {
glFramebufferTextureMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
getId(), 0, 0, 2);
}
if (sample_count > 1 && !resolve_depth) {
if (jdepth_format != DepthFormat::DEPTH_0) {
glFramebufferTextureMultisampleMultiviewOVR(GL_DRAW_FRAMEBUFFER, depthStencilAttachment,
frameBufferDepthTextureId, 0, sample_count,
0, 2);
}
glFramebufferTextureMultisampleMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
getId(), 0, sample_count, 0, 2);
}
if (resolve_depth && sample_count > 1) {
if (jdepth_format != DepthFormat::DEPTH_0)
glFramebufferTextureMultiviewOVR(GL_DRAW_FRAMEBUFFER, depthStencilAttachment,
frameBufferDepthTextureId, 0, 0, 2);
glGenTextures(1, &render_texture_gl_texture_);
glBindTexture(GL_TEXTURE_2D_ARRAY, render_texture_gl_texture_);
texImage3D(jcolor_format, width, height,2, GL_TEXTURE_2D_ARRAY);
glFramebufferTextureMultisampleMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
render_texture_gl_texture_, 0, sample_count, 0,
2);
}
/* Check BO is OK. */
GLenum result = (glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER));
if (result != GL_FRAMEBUFFER_COMPLETE) {
LOGE("RenderTextureArray::bindFrameBuffer Could not bind framebuffer: %d", result);
switch (result) {
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT :
LOGE("GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT");
break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT:
LOGE("GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT");
break;
case GL_FRAMEBUFFER_UNSUPPORTED:
LOGE("GL_FRAMEBUFFER_UNSUPPORTED");
break;
}
LOGE("Framebuffer incomplete at %s:%i\n", __FILE__, __LINE__);
/* Unbind framebuffer. */
(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0));
}
checkGLError("glFramebufferTextureMultiviewOVR 2");
glScissor(0, 0, width, height);
glViewport(0, 0, width, height);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
if (resolve_depth && sample_count > 1) {
delete renderTexture_gl_resolve_buffer_;
renderTexture_gl_resolve_buffer_ = new GLFrameBuffer();
glBindFramebuffer(GL_FRAMEBUFFER, renderTexture_gl_resolve_buffer_->id());
glFramebufferTextureMultiviewOVR(GL_DRAW_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
colorbuffer->getId(), 0, 0, 2);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE) {
LOGE(
"resolve FBO %i is not complete: 0x%x", renderTexture_gl_resolve_buffer_->id(),
status);
}
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
///////////////////////////////////////////////////////////////////
}
