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authorBrian Paul <[email protected]>2012-12-07 13:58:34 -0700
committerBrian Paul <[email protected]>2012-12-08 06:58:10 -0700
commit4b73cdb864aef6d64c35a7ab9a59e4ee4e3f9d0f (patch)
tree19c52ea3738fc07c6ade5f00c1c168f81d6b2a77 /docs/llvmpipe.html
parentc5f544e69075001855da9f49f1c1d06191765a6c (diff)
draw: fix/improve dirty state validation
This patch does two things: 1. Constant buffer state changes were broken (but happened to work by dumb luck). The problem is we weren't calling draw_do_flush() in draw_set_mapped_constant_buffer() when we changed that state. All the other draw_set_foo() functions were calling draw_do_flush() already. 2. Use a simpler state validation step when we're changing light-weight parameter state such as constant buffers, viewport dims or clip planes. There's no need to revalidate the whole pipeline when changing state like that. The new validation method is called bind_parameters() and is called instead of the prepare() method. A new DRAW_FLUSH_PARAMETER_CHANGE flag is used to signal these light-weight state changes. This results in a modest but measurable increase in FPS for many Mesa demos. Reviewed-by: Jose Fonseca <[email protected]>
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