Optimizing Skia Surface Creation for GPU Rendering: Evaluating CPU vs GPU Approaches

[stephane]

What is the most efficient and effective method to create a Skia surface for drawing graphics, with the intention of later converting it into an SkImage for rendering on a GPU-accelerated surface like OpenGL, Vulkan, or Metal, to ensure optimal performance within the graphics pipeline? While creating a CPU-based surface seems easiest, I'm uncertain if it's the most appropriate approach for this purpose.

[Jim Van Verth]

You could create a GPU SkSurface and then use SkSurface::makeImageSnapshot() to get an SkImage from it. That will make a copy, which I'm not sure whether you want or not.

On Fri, Jan 19, 2024 at 11:28 AM stephane <zeus9...@gmail.com> wrote:

What is the most efficient and effective method to create a Skia surface for drawing graphics, with the intention of later converting it into an SkImage for rendering on a GPU-accelerated surface like OpenGL, Vulkan, or Metal, to ensure optimal performance within the graphics pipeline? While creating a CPU-based surface seems easiest, I'm uncertain if it's the most appropriate approach for this purpose.

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Jim Van Verth | Software Engineer | Google.com