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path: root/drivers/gles3/rasterizer_canvas_gles3.cpp
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Diffstat (limited to 'drivers/gles3/rasterizer_canvas_gles3.cpp')
-rw-r--r--drivers/gles3/rasterizer_canvas_gles3.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp
index c1d203be28..8d4954136e 100644
--- a/drivers/gles3/rasterizer_canvas_gles3.cpp
+++ b/drivers/gles3/rasterizer_canvas_gles3.cpp
@@ -1023,8 +1023,8 @@ void RasterizerCanvasGLES3::_bind_instance_data_buffer(uint32_t p_max_index) {
glBindBufferBase(GL_UNIFORM_BUFFER, INSTANCE_UNIFORM_LOCATION, state.canvas_instance_data_buffers[state.current_buffer]);
#ifdef WEB_ENABLED
- //WebGL 2.0 does not support mapping buffers, so use slow glBufferData instead
- glBufferData(GL_UNIFORM_BUFFER, sizeof(InstanceData) * p_max_index, state.instance_data_array, GL_DYNAMIC_DRAW);
+ //WebGL 2.0 does not support mapping buffers, so use slow glBufferSubData instead
+ glBufferSubData(GL_UNIFORM_BUFFER, 0, sizeof(InstanceData) * p_max_index, state.instance_data_array);
#else
void *ubo = glMapBufferRange(GL_UNIFORM_BUFFER, 0, sizeof(InstanceData) * p_max_index, GL_MAP_WRITE_BIT | GL_MAP_UNSYNCHRONIZED_BIT);
memcpy(ubo, state.instance_data_array, sizeof(InstanceData) * p_max_index);