Jeroen Bakker
f3515ffed9
GPUBatch.draw only supported basic drawing methods. Although all supported platforms support drawing a subset of the index buffer and/or drawing of multiple instances of the same set of indexes. This patch adds parameters to the existing `GPUBatch.draw` method to add support for these drawing methods. For drawing a subset of the index buffer the parameters `index_start` and `index_count` can be used. `my_batch.draw(my_shader, index_start=10, index_count=5)` For drawing multiple indexes the parameters `instance_start` and `instance_count` can be used. `my_batch.draw(my_shader, instance_start=0, instance_count=10)` Both set of parameters can be used together. `my_batch.draw(my_shader, index_start=10, index_count=5, instance_start=0, instance_count=10)` For compatibility reasons the `program` isn't required to be named as demonstrated by `my_shader`.
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