[Tizen] Using Depth and Stencil buffer & texture

[platform/core/uifw/dali-core.git] / dali / internal / render / renderers / render-texture-frame-buffer.cpp

diff --git a/dali/internal/render/renderers/render-texture-frame-buffer.cpp b/dali/internal/render/renderers/render-texture-frame-buffer.cpp
index 9e3120e..3062c6d 100644 (file)
--- a/dali/internal/render/renderers/render-texture-frame-buffer.cpp
+++ b/dali/internal/render/renderers/render-texture-frame-buffer.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,14 +26,30 @@ namespace Internal
 {
 namespace Render
 {
+namespace
+{
+const GLenum COLOR_ATTACHMENTS[] =
+{
+    GL_COLOR_ATTACHMENT0,
+    GL_COLOR_ATTACHMENT1,
+    GL_COLOR_ATTACHMENT2,
+    GL_COLOR_ATTACHMENT3,
+    GL_COLOR_ATTACHMENT4,
+    GL_COLOR_ATTACHMENT5,
+    GL_COLOR_ATTACHMENT6,
+    GL_COLOR_ATTACHMENT7,
+};
+}
 
 TextureFrameBuffer::TextureFrameBuffer( uint32_t width, uint32_t height, Mask attachments )
 : FrameBuffer(),
   mId( 0u ),
+  mTextureId{ 0u },
   mDepthBuffer( attachments & Dali::FrameBuffer::Attachment::DEPTH ),
   mStencilBuffer( attachments & Dali::FrameBuffer::Attachment::STENCIL ),
   mWidth( width ),
-  mHeight( height )
+  mHeight( height ),
+  mColorAttachmentCount( 0u )
 {
 }
 
@@ -83,22 +99,48 @@ void TextureFrameBuffer::AttachColorTexture( Context& context, Render::Texture*
 {
   context.BindFramebuffer( GL_FRAMEBUFFER, mId );
 
+  const GLuint textureId = texture->GetId();
+  mTextureId[mColorAttachmentCount] = textureId;
+
   // Create a color attachment.
+  const GLenum iAttachment = COLOR_ATTACHMENTS[mColorAttachmentCount];
   if( texture->GetType() == TextureType::TEXTURE_2D )
   {
-    if( !texture->IsNativeImage() )
-    {
-      context.FramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texture->GetId(), mipmapLevel );
-    }
-    else
-    {
-      // If it's a native image we need to use GL_TEXTURE_EXTERNAL_OES as the texture target parameter
-      context.FramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_EXTERNAL_OES, texture->GetId(), mipmapLevel );
-    }
+    context.FramebufferTexture2D( GL_FRAMEBUFFER, iAttachment, texture->GetTarget(), textureId, mipmapLevel );
   }
   else
   {
-    context.FramebufferTexture2D( GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer, texture->GetId(), mipmapLevel );
+    context.FramebufferTexture2D( GL_FRAMEBUFFER, iAttachment, GL_TEXTURE_CUBE_MAP_POSITIVE_X + layer, textureId, mipmapLevel );
+  }
+
+  ++mColorAttachmentCount;
+  context.DrawBuffers(mColorAttachmentCount, COLOR_ATTACHMENTS);
+  DALI_ASSERT_DEBUG(context.CheckFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE);
+
+  context.BindFramebuffer( GL_FRAMEBUFFER, 0 );
+}
+
+void TextureFrameBuffer::AttachDepthTexture( Context& context, Render::Texture* texture, uint32_t mipmapLevel )
+{
+  context.BindFramebuffer( GL_FRAMEBUFFER, mId );
+
+  // Create a depth attachment.
+  if( texture->GetType() == TextureType::TEXTURE_2D )
+  {
+    context.FramebufferTexture2D( GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, texture->GetId(), mipmapLevel );
+  }
+
+  context.BindFramebuffer( GL_FRAMEBUFFER, 0 );
+}
+
+void TextureFrameBuffer::AttachDepthStencilTexture( Context& context, Render::Texture* texture, uint32_t mipmapLevel )
+{
+  context.BindFramebuffer( GL_FRAMEBUFFER, mId );
+
+  // Create a stencil attachment.
+  if( texture->GetType() == TextureType::TEXTURE_2D )
+  {
+    context.FramebufferTexture2D( GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_TEXTURE_2D, texture->GetId(), mipmapLevel );
   }
 
   context.BindFramebuffer( GL_FRAMEBUFFER, 0 );