void
RenderTexture::create2DRenderTexture(int jcolor_format, int jdepth_format, bool resolve_depth) {
initialize(width_, height_);
GLenum depth_format;
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glBindTexture(target_, gl_texture_->id());
switch (jcolor_format) {
case ColorFormat::COLOR_565:
glTexImage2D(target_, 0, GL_RGB, width_, height_, 0, GL_RGB,
GL_UNSIGNED_SHORT_5_6_5, 0);
break;
case ColorFormat::COLOR_5551:
glTexImage2D(target_, 0, GL_RGB5_A1, width_, height_, 0, GL_RGBA,
GL_UNSIGNED_SHORT_5_5_5_1, 0);
break;
case ColorFormat::COLOR_4444:
glTexImage2D(target_, 0, GL_RGBA, width_, height_, 0, GL_RGBA,
GL_UNSIGNED_SHORT_4_4_4_4, 0);
break;
case ColorFormat::COLOR_8888:
glTexImage2D(target_, 0, GL_RGBA8, width_, height_, 0, GL_RGBA,
GL_UNSIGNED_BYTE, 0);
break;
case ColorFormat::COLOR_8888_sRGB:
glTexImage2D(target_, 0, GL_SRGB8_ALPHA8, width_, height_, 0, GL_RGBA,
GL_UNSIGNED_BYTE, 0);
break;
default:
break;
}
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;
}
if (sample_count_ <= 1) {
generateRenderTextureNoMultiSampling(jdepth_format, depth_format, width_,
height_);
} else if (resolve_depth) {
generateRenderTexture(sample_count_, jdepth_format, depth_format, width_,
height_, jcolor_format);
} else {
generateRenderTextureEXT(sample_count_, jdepth_format, depth_format,
width_, height_);
}
if (jdepth_format != DepthFormat::DEPTH_0) {
GLenum attachment =
DepthFormat::DEPTH_24_STENCIL_8 == jdepth_format ? GL_DEPTH_STENCIL_ATTACHMENT
: GL_DEPTH_ATTACHMENT;
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER,
renderTexture_gl_render_buffer_->id());
}
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());
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, gl_texture_->id(), 0);
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);
}
GLNonMultiviewRenderTexture::GLNonMultiviewRenderTexture(int width, int height, int sample_count,
int jcolor_format, int jdepth_format, bool resolve_depth,
const TextureParameters* texture_parameters, int viewport[]):GLRenderTexture(width, height, sample_count, jcolor_format, jdepth_format,
resolve_depth, texture_parameters, viewport) {
GLRenderImage* colorbuffer = new GLRenderImage(width, height, jcolor_format, texture_parameters);
GLenum depth_format;
setImage(colorbuffer);
initialize();
getImage()->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;
}
if (sample_count <= 1)
{
generateRenderTextureNoMultiSampling(jdepth_format, depth_format,
width, height);
}
else if (resolve_depth)
{
generateRenderTexture(sample_count, jdepth_format, depth_format,
width, height, jcolor_format);
}
else
{
generateRenderTextureEXT(sample_count, jdepth_format,
depth_format, width, height);
}
if (jdepth_format != DepthFormat::DEPTH_0)
{
GLenum attachment = DepthFormat::DEPTH_24_STENCIL_8 == jdepth_format ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT;
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER, renderTexture_gl_render_buffer_->id());
}
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());
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
colorbuffer->getTarget(), colorbuffer->getId(), 0);
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);
checkGLError(" GLNonMultiviewRenderTexture:");
}