[core] Render fill-extrusion layers (#8431)

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mbgl/gl/context.cpp b/src/mbgl/gl/context.cpp
index 565fe33771..1a5a6a2289 100644
--- a/src/mbgl/gl/context.cpp
+++ b/src/mbgl/gl/context.cpp
@@ -250,6 +250,7 @@ UniqueRenderbuffer Context::createRenderbuffer(const RenderbufferType type, cons
     bindRenderbuffer = renderbuffer;
     MBGL_CHECK_ERROR(
         glRenderbufferStorage(GL_RENDERBUFFER, static_cast<GLenum>(type), size.width, size.height));
+    bindRenderbuffer = 0;
     return renderbuffer;
 }
 
@@ -384,6 +385,17 @@ Framebuffer Context::createFramebuffer(const Texture& color) {
     return { color.size, std::move(fbo) };
 }
 
+Framebuffer
+Context::createFramebuffer(const Texture& color,
+                           const Renderbuffer<RenderbufferType::DepthComponent>& depthTarget) {
+    auto fbo = createFramebuffer();
+    bindFramebuffer = fbo;
+    MBGL_CHECK_ERROR(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, color.texture, 0));
+    MBGL_CHECK_ERROR(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depthTarget.renderbuffer));
+    checkFramebuffer();
+    return { depthTarget.size, std::move(fbo) };
+}
+
 UniqueTexture
 Context::createTexture(const Size size, const void* data, TextureFormat format, TextureUnit unit) {
     auto obj = createTexture();