[core] move framebuffer reading to gl::Context

1 files changed, 1 insertions, 14 deletions

diff --git a/platform/default/offscreen_view.cpp b/platform/default/offscreen_view.cpp
index 613e00fc2b..574686ebc9 100644
--- a/platform/default/offscreen_view.cpp
+++ b/platform/default/offscreen_view.cpp
@@ -1,6 +1,5 @@
 #include <mbgl/platform/default/offscreen_view.hpp>
 #include <mbgl/gl/context.hpp>
-#include <mbgl/gl/gl.hpp>
 
 #include <cstring>
 #include <cassert>
@@ -25,19 +24,7 @@ void OffscreenView::bind() {
 }
 
 PremultipliedImage OffscreenView::readStillImage() {
-    PremultipliedImage image { size };
-    MBGL_CHECK_ERROR(glReadPixels(0, 0, size.width, size.height, GL_RGBA, GL_UNSIGNED_BYTE, image.data.get()));
-
-    const auto stride = image.stride();
-    auto tmp = std::make_unique<uint8_t[]>(stride);
-    uint8_t* rgba = image.data.get();
-    for (int i = 0, j = size.height - 1; i < j; i++, j--) {
-        std::memcpy(tmp.get(), rgba + i * stride, stride);
-        std::memcpy(rgba + i * stride, rgba + j * stride, stride);
-        std::memcpy(rgba + j * stride, tmp.get(), stride);
-    }
-
-    return image;
+    return context.readFramebuffer<PremultipliedImage>(size);
 }
 
 } // namespace mbgl