replace with ES compatible glMapBufferRange

2019-11-05 19:17:53 +01:00
parent 52ad58aec4
commit 698ad50c2a
1 changed files with 1 additions and 1 deletions
--- a/src/rtt.cpp
+++ b/src/rtt.cpp
@@ -508,7 +508,7 @@ glm::uint8_t* PBO::map() noexcept
 {
    App::I->render_task([this] {
        glBindBuffer(GL_PIXEL_PACK_BUFFER, buffer_id);
-        mapped_ptr = (GLubyte*)glMapBuffer(GL_PIXEL_PACK_BUFFER, GL_READ_ONLY);
+        mapped_ptr = (GLubyte*)glMapBufferRange(GL_PIXEL_PACK_BUFFER, 0, width * height * 4, GL_MAP_READ_BIT);
        glBindBuffer(GL_PIXEL_PACK_BUFFER, 0);
    });
    return mapped_ptr;