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raze-gles/polymer/eduke32/build/include/a.h
helixhorned 3753d45601 a-c.c: prevent stray lines on bottom of sprites by saturating v. tex coords. 
The functions mvlineasm1, mvlineasm4 and tvlineasm2 can now be set to clamp
the vertical texture coordinate (vplc), preventing the unsightly stray lines
on the bottom of non-y-flipped sprites. (The first part of this effort, r3483,
handled their top).

However, this is only enabled for the mvlineasm ones: the vectorized variants
suffered almost no slowdown (even though a PADDUSD SSE instruction would be a
nice thing to have), while it was pretty significant for the sequential
translucent ones.

Summarizing, this leaves two cases where stray lines may appear in the non-ASM
build (the saturation is NYI for a.nasm):
- at the bottom of y-flipped sprites
- at the bottom of translucent sprites (can be toggled by #define)

Another observation is that recent GCC generates much faster code for this
stuff than Clang from SVN.

git-svn-id: https://svn.eduke32.com/eduke32@4161 1a8010ca-5511-0410-912e-c29ae57300e0
2013-11-16 18:47:11 +00:00

188 lines
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// Assembly-language function wrappers for a.asm functions
// for the Build Engine
// by Jonathon Fowler (jf@jonof.id.au)
#ifndef __a_h__
#define __a_h__
#include "compat.h"
#if defined(__GNUC__) && defined(__i386__) && !defined(NOASM)
#if defined(__linux) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__SYLLABLE__)
#define __cdecl
#endif
#ifdef __cplusplus
extern "C"
{
#endif
extern int32_t __cdecl mmxoverlay();
extern int32_t __cdecl sethlinesizes(int32_t,int32_t,int32_t);
extern int32_t __cdecl setpalookupaddress(char *);
extern int32_t __cdecl setuphlineasm4(int32_t,int32_t);
extern int32_t __cdecl hlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setuprhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl rhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setuprmhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl rmhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setupqrhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl qrhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setvlinebpl(int32_t);
extern int32_t __cdecl fixtransluscence(int32_t);
extern int32_t __cdecl prevlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl vlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl vlineasm1nonpow2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setuptvlineasm(int32_t,int32_t);
extern int32_t __cdecl tvlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl tvlineasm1nonpow2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setuptvlineasm2(int32_t,int32_t,int32_t);
extern int32_t __cdecl tvlineasm2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl mvlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl mvlineasm1nonpow2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl setupvlineasm(int32_t);
extern int32_t __cdecl vlineasm4(int32_t,char *);
extern int32_t __cdecl setupmvlineasm(int32_t,int32_t);
extern int32_t __cdecl mvlineasm4(int32_t,char *);
extern int32_t __cdecl setupspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl spritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl msetupspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl mspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl tsetupspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl tspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl mhline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl mhlineskipmodify(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl msethlineshift(int32_t,int32_t);
extern int32_t __cdecl thline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl thlineskipmodify(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl tsethlineshift(int32_t,int32_t);
extern int32_t __cdecl setupslopevlin(int32_t,int32_t,int32_t);
extern int32_t __cdecl slopevlin(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t __cdecl settransnormal();
extern int32_t __cdecl settransreverse();
extern int32_t __cdecl setupdrawslab(int32_t,int32_t);
extern int32_t __cdecl drawslab(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern void __cdecl stretchhline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
#ifdef __cplusplus
}
#endif
#elif defined(_MSC_VER) && !defined(NOASM) // __GNUC__ && __i386__
#ifdef __cplusplus
extern "C"
{
#endif
extern int32_t _cdecl mmxoverlay();
extern int32_t _cdecl sethlinesizes(int32_t,int32_t,int32_t);
extern int32_t _cdecl setpalookupaddress(char *);
extern int32_t _cdecl setuphlineasm4(int32_t,int32_t);
extern int32_t _cdecl hlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setuprhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl rhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setuprmhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl rmhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setupqrhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl qrhlineasm4(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setvlinebpl(int32_t);
extern int32_t _cdecl fixtransluscence(int32_t);
extern int32_t _cdecl prevlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl vlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl vlineasm1nonpow2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setuptvlineasm(int32_t,int32_t);
extern int32_t _cdecl tvlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl tvlineasm1nonpow2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setuptvlineasm2(int32_t,int32_t,int32_t);
extern int32_t _cdecl tvlineasm2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl mvlineasm1(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl mvlineasm1nonpow2(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl setupvlineasm(int32_t);
extern int32_t _cdecl vlineasm4(int32_t,char *);
extern int32_t _cdecl setupmvlineasm(int32_t,int32_t);
extern int32_t _cdecl mvlineasm4(int32_t,char *);
extern int32_t _cdecl setupspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl spritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl msetupspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl mspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl tsetupspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl tspritevline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl mhline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl mhlineskipmodify(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl msethlineshift(int32_t,int32_t);
extern int32_t _cdecl thline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl thlineskipmodify(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl tsethlineshift(int32_t,int32_t);
extern int32_t _cdecl setupslopevlin(int32_t,int32_t,int32_t);
extern int32_t _cdecl slopevlin(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern int32_t _cdecl settransnormal();
extern int32_t _cdecl settransreverse();
extern int32_t _cdecl setupdrawslab(int32_t,int32_t);
extern int32_t _cdecl drawslab(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
extern void _cdecl stretchhline(int32_t,int32_t,int32_t,int32_t,int32_t,int32_t);
#ifdef __cplusplus
}
#endif
#else // _MSC_VER
#define ENGINE_USING_A_C
#include <stdint.h>
#define prevlineasm1 vlineasm1
void setvlinebpl(int32_t dabpl);
void fixtransluscence(intptr_t datransoff);
void settransnormal(void);
void settransreverse(void);
void sethlinesizes(int32_t logx, int32_t logy, intptr_t bufplc);
void setpalookupaddress(char *paladdr);
void setuphlineasm4(int32_t bxinc, int32_t byinc);
void hlineasm4(int32_t cnt, int32_t skiploadincs, int32_t paloffs, uint32_t by, uint32_t bx, intptr_t p);
void setupslopevlin(int32_t logylogx, intptr_t bufplc, int32_t pinc);
void slopevlin(intptr_t p, int32_t i, intptr_t slopaloffs, int32_t cnt, int32_t bx, int32_t by);
void setupvlineasm(int32_t neglogy);
int32_t vlineasm1(int32_t vinc, intptr_t paloffs, int32_t cnt, uint32_t vplc, intptr_t bufplc, intptr_t p);
void vlineasm4(int32_t cnt, char *p);
void setupmvlineasm(int32_t neglogy, int32_t dosaturate);
int32_t mvlineasm1(int32_t vinc, intptr_t paloffs, int32_t cnt, uint32_t vplc, intptr_t bufplc, intptr_t p);
void mvlineasm4(int32_t cnt, char *p);
void setuptvlineasm(int32_t neglogy, int32_t dosaturate);
int32_t tvlineasm1(int32_t vinc, intptr_t paloffs, int32_t cnt, uint32_t vplc, intptr_t bufplc, intptr_t p);
void setuptvlineasm2(int32_t neglogy, intptr_t paloffs1, intptr_t paloffs2);
void tvlineasm2(uint32_t vplc2, int32_t vinc1, intptr_t bufplc1, intptr_t bufplc2, uint32_t vplc1, intptr_t p);
void msethlineshift(int32_t logx, int32_t logy);
void mhline(intptr_t bufplc, uint32_t bx, int32_t cntup16, int32_t junk, uint32_t by, intptr_t p);
void tsethlineshift(int32_t logx, int32_t logy);
void thline(intptr_t bufplc, uint32_t bx, int32_t cntup16, int32_t junk, uint32_t by, intptr_t p);
void setupspritevline(intptr_t paloffs, int32_t bxinc, int32_t byinc, int32_t ysiz);
void spritevline(int32_t bx, int32_t by, int32_t cnt, intptr_t bufplc, intptr_t p);
void msetupspritevline(intptr_t paloffs, int32_t bxinc, int32_t byinc, int32_t ysiz);
void mspritevline(int32_t bx, int32_t by, int32_t cnt, intptr_t bufplc, intptr_t p);
void tsetupspritevline(intptr_t paloffs, int32_t bxinc, int32_t byinc, int32_t ysiz);
void tspritevline(int32_t bx, int32_t by, int32_t cnt, intptr_t bufplc, intptr_t p);
void setupdrawslab (int32_t dabpl, intptr_t pal);
void drawslab (int32_t dx, int32_t v, int32_t dy, int32_t vi, intptr_t vptr, intptr_t p);
void stretchhline (intptr_t p0, int32_t u, int32_t cnt, int32_t uinc, intptr_t rptr, intptr_t p);
void mmxoverlay();
#endif // else
#endif // __a_h__
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