2009-08-16 11:50:17 +01:00
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/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#ifndef LP_BLD_DEBUG_H
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#define LP_BLD_DEBUG_H
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2010-03-15 19:50:40 +00:00
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#include "gallivm/lp_bld.h"
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2009-08-18 20:23:35 +01:00
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#include "pipe/p_compiler.h"
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#include "util/u_string.h"
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2010-10-10 18:47:24 +01:00
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#define GALLIVM_DEBUG_TGSI (1 << 0)
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#define GALLIVM_DEBUG_IR (1 << 1)
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#define GALLIVM_DEBUG_ASM (1 << 2)
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#define GALLIVM_DEBUG_NO_OPT (1 << 3)
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#define GALLIVM_DEBUG_PERF (1 << 4)
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#define GALLIVM_DEBUG_NO_BRILINEAR (1 << 5)
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gallivm: Add no_rho_approx debug option
This will calculate rho correctly as
sqrt(max((ds/dx)^2 + (dt/dx)^2 + (dr/dx)^2), (ds/dx)^2 + (dt/dx)^2 + (dr/dx)^2))
instead of max(|ds/dx|,|dt/dx|,|dr/dx|,|ds/dy|,|dt/dy,|dr/dy|)
(for 3 coords - 2 coords work analogous, for 1 coord there's no point doing
the exact version), for both implicit and explicit derivatives.
While such approximation seems to be allowed in OpenGL some APIs may be less
forgiving, and the error can be quite large (sqrt(2) for 2 coords, sqrt(3) for
3 coords so wrong by nearly one mip level in the latter case).
This also helps to single out "real" bugs from "expected" ones, so it is debug
only (though at least combined with no_brilinear I didn't really see much of a
performance difference but only tested with a debug build - at least with
implicit mipmaps the instruction count is almost exactly the same though the
instructions are more complex (1 sqrt and mul/adds instead of and/max mostly).
The code when the option isn't set stays exactly the same.
v2: rename no_rho_opt to no_rho_approx.
Reviewed-by: Brian Paul <brianp@vmware.com>
2013-04-18 16:04:01 +01:00
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#define GALLIVM_DEBUG_NO_RHO_APPROX (1 << 6)
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2013-08-19 20:12:59 +01:00
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#define GALLIVM_DEBUG_NO_QUAD_LOD (1 << 7)
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#define GALLIVM_DEBUG_GC (1 << 8)
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2016-05-11 03:42:51 +01:00
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#define GALLIVM_DEBUG_DUMP_BC (1 << 9)
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2010-05-15 11:42:02 +01:00
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2011-03-13 19:24:26 +00:00
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#ifdef __cplusplus
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extern "C" {
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#endif
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2010-05-15 11:42:02 +01:00
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#ifdef DEBUG
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extern unsigned gallivm_debug;
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#else
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#define gallivm_debug 0
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#endif
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2015-07-21 00:58:43 +01:00
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static inline void
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2009-08-18 20:23:35 +01:00
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lp_build_name(LLVMValueRef val, const char *format, ...)
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{
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#ifdef DEBUG
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char name[32];
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va_list ap;
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va_start(ap, format);
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util_vsnprintf(name, sizeof name, format, ap);
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va_end(ap);
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LLVMSetValueName(val, name);
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#else
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(void)val;
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(void)format;
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#endif
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}
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2010-05-08 23:23:41 +01:00
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void
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lp_debug_dump_value(LLVMValueRef value);
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2009-09-09 19:21:22 +01:00
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boolean
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lp_check_alignment(const void *ptr, unsigned alignment);
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2009-08-16 11:50:17 +01:00
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void
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2013-04-17 13:32:15 +01:00
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lp_disassemble(LLVMValueRef func, const void *code);
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void
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lp_profile(LLVMValueRef func, const void *code);
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2009-08-16 11:50:17 +01:00
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2011-03-13 19:24:26 +00:00
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#ifdef __cplusplus
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}
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#endif
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2009-08-16 11:50:17 +01:00
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#endif /* !LP_BLD_DEBUG_H */
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