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MMX add blending function added.

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This commit is contained in:
Jose Fonseca 2002-04-19 10:53:08 +00:00
parent 533e88824a
commit 0c527ab054
3 changed files with 29 additions and 4 deletions
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10
src/mesa/swrast/s_blend.c
View file

@ -1,4 +1,4 @@
/* $Id: s_blend.c,v 1.20 2002/04/19 10:33:34 jrfonseca Exp $ */
/* $Id: s_blend.c,v 1.21 2002/04/19 10:53:08 jrfonseca Exp $ */
/*
* Mesa 3-D graphics library
@ -656,7 +656,13 @@ void _swrast_choose_blend_func( GLcontext *ctx )
SWRAST_CONTEXT(ctx)->BlendFunc = blend_transparency;
}
else if (eq==GL_FUNC_ADD_EXT && srcRGB==GL_ONE && dstRGB==GL_ONE) {
SWRAST_CONTEXT(ctx)->BlendFunc = blend_add;
#if defined(USE_MMX_ASM)
if ( cpu_has_mmx ) {
SWRAST_CONTEXT(ctx)->BlendFunc = _mesa_mmx_blend_add;
}
else
#endif
SWRAST_CONTEXT(ctx)->BlendFunc = blend_add;
}
else if (((eq==GL_FUNC_ADD_EXT || eq==GL_FUNC_REVERSE_SUBTRACT_EXT)
&& (srcRGB==GL_ZERO && dstRGB==GL_SRC_COLOR))

6
src/mesa/x86/mmx.h
View file

@ -1,4 +1,4 @@
/* $Id: mmx.h,v 1.7 2002/04/19 10:33:34 jrfonseca Exp $ */
/* $Id: mmx.h,v 1.8 2002/04/19 10:53:08 jrfonseca Exp $ */
/*
* Mesa 3-D graphics library
@ -32,6 +32,10 @@ extern void _ASMAPI
_mesa_mmx_blend_transparency( GLcontext *ctx, GLuint n, const GLubyte mask[],
GLubyte rgba[][4], const GLubyte dest[][4] );
extern void _ASMAPI
_mesa_mmx_blend_add( GLcontext *ctx, GLuint n, const GLubyte mask[],
GLubyte rgba[][4], const GLubyte dest[][4] );
extern void _ASMAPI
_mesa_mmx_blend_modulate( GLcontext *ctx, GLuint n, const GLubyte mask[],
GLubyte rgba[][4], const GLubyte dest[][4] );

17
src/mesa/x86/mmx_blend.S
View file

@ -270,7 +270,22 @@ const_80:
#include "mmx_blendtmp.h"
/* modulate
/* add bleding mode
*/
#define TAG(x) x##_add
#define INIT
#define MAIN( rgba, dest ) \
GMB_LOAD( rgba, dest, MM1, MM2 ) ;\
PADDUSB ( MM1, MM2 ) ;\
GMB_STORE( rgba, MM2 )
#include "mmx_blendtmp.h"
/* modulate blending mode
*/
#define TAG(x) x##_modulate