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In a typical graphics application it is a common usage to update some uniforms once per draw, and such uniforms include the word positions, orientations, and so on. In the current state of WebGPU, this means that for each draw call we have to create a new bind group to set the right uniform values. Bind group creation is expected to be more expensive than recording draws because a memory allocation is required. The functionality of dynamic buffer offset is to reduce the number of bind groups that need to be created. The patch implements dynamic buffer offset on OpenGL backend using glBindBufferRange and adds validation to check whether visibility of resources are none. Bug=dawn:55 Change-Id: I77e10a9677d1737f377301ee89e29d904c91c298 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9540 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Austin Eng <enga@chromium.org> Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>