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* llvmpipe: Fix alpha testing precision on rgba8 formats.José Fonseca2012-05-221-0/+28
| | | | | | | | | | This is a long standing problem, that recently surfaced with the change to enable perspective correct color interpolation. A fix for all possible formats is left to the future. Reviewed-by: Brian Paul <[email protected]> Reviewed-by: Roland Scheidegger <[email protected]>
* gallivm/llvmpipe: squash merge of the llvm-context branchBrian Paul2010-11-301-2/+2
| | | | | | | | | | | | | | This branch defines a gallivm_state structure which contains the LLVMBuilderRef, LLVMContextRef, etc. All data structures built with this object can be periodically freed during a "garbage collection" operation. The gallivm_state object has to be passed to most of the builder functions where LLVMBuilderRef used to be used. Conflicts: src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c src/gallium/drivers/llvmpipe/lp_state_setup.c
* llvmpipe: try to be sensible about whether to branch after mask updatesKeith Whitwell2010-10-091-1/+5
| | | | | Don't branch more than once in quick succession. Don't branch at the end of the shader.
* llvmpipe: Don't store display the alpha ref value in the key.José Fonseca2010-09-111-6/+5
| | | | It's never used.
* gallivm/llvmpipe: move lp_bld_alpha.c to llvmpipe/ directoryBrian Paul2010-04-161-0/+64
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* llvmpipe: export the tgsi translation code to a common layerZack Rusin2010-02-081-63/+0
| | | | | | | the llvmpipe tgsi translation is a lot more complete than what was in gallivm so replacing the latter with the former. this is needed since the draw llvm paths will use the same code. effectively the proven llvmpipe code becomes gallivm.
* llvmpipe: Remove unnecessary headers.Vinson Lee2010-01-211-1/+0
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* llvmpipe: Make lp_type a regular union.José Fonseca2009-09-141-1/+1
| | | | | Union not worth the hassle of violating C99 or adding a name to the structure.
* llvmpipe: Pass the alpha ref value and blend color in the jit context.José Fonseca2009-08-291-2/+2
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* llvmpipe: s/uni/scalar/.José Fonseca2009-08-291-1/+1
| | | | More obvious name.
* llvmpipe: Early depth testing.José Fonseca2009-08-291-2/+3
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* llvmpipe: Centralize mask update logic.José Fonseca2009-08-291-9/+4
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* llvmpipe: Code generate alpha testing and append to generated fragment shader.José Fonseca2009-08-291-0/+68