kolibrios-fun/drivers/video/Gallium/auxiliary/util/u_dual_blend.h
Sergey Semyonov (Serge) edb28b33f3 Gallium 3D: initial commit
git-svn-id: svn://kolibrios.org@3770 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-06 10:06:47 +00:00

27 lines
807 B
C

#ifndef U_DUAL_BLEND_H
#define U_DUAL_BLEND_H
#include "pipe/p_state.h"
static INLINE boolean util_blend_factor_is_dual_src(int factor)
{
return (factor == PIPE_BLENDFACTOR_SRC1_COLOR) ||
(factor == PIPE_BLENDFACTOR_SRC1_ALPHA) ||
(factor == PIPE_BLENDFACTOR_INV_SRC1_COLOR) ||
(factor == PIPE_BLENDFACTOR_INV_SRC1_ALPHA);
}
static INLINE boolean util_blend_state_is_dual(const struct pipe_blend_state *blend,
int index)
{
if (util_blend_factor_is_dual_src(blend->rt[index].rgb_src_factor) ||
util_blend_factor_is_dual_src(blend->rt[index].alpha_src_factor) ||
util_blend_factor_is_dual_src(blend->rt[index].rgb_dst_factor) ||
util_blend_factor_is_dual_src(blend->rt[index].alpha_dst_factor))
return true;
return false;
}
#endif