diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_quad_blend.c | 76 |
1 files changed, 54 insertions, 22 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_blend.c b/src/gallium/drivers/softpipe/sp_quad_blend.c index 598df26da6f..7180fa11c82 100644 --- a/src/gallium/drivers/softpipe/sp_quad_blend.c +++ b/src/gallium/drivers/softpipe/sp_quad_blend.c @@ -57,6 +57,7 @@ struct blend_quad_stage struct quad_stage base; boolean clamp[PIPE_MAX_COLOR_BUFS]; /**< clamp colors to [0,1]? */ enum format base_format[PIPE_MAX_COLOR_BUFS]; + enum util_format_type format_type[PIPE_MAX_COLOR_BUFS]; }; @@ -702,19 +703,19 @@ blend_quad(struct quad_stage *qs, */ switch (softpipe->blend->rt[blend_index].rgb_func) { case PIPE_BLEND_ADD: - VEC4_ADD_SAT(quadColor[0], source[0], blend_dest[0]); /* R */ - VEC4_ADD_SAT(quadColor[1], source[1], blend_dest[1]); /* G */ - VEC4_ADD_SAT(quadColor[2], source[2], blend_dest[2]); /* B */ + VEC4_ADD(quadColor[0], source[0], blend_dest[0]); /* R */ + VEC4_ADD(quadColor[1], source[1], blend_dest[1]); /* G */ + VEC4_ADD(quadColor[2], source[2], blend_dest[2]); /* B */ break; case PIPE_BLEND_SUBTRACT: - VEC4_SUB_SAT(quadColor[0], source[0], blend_dest[0]); /* R */ - VEC4_SUB_SAT(quadColor[1], source[1], blend_dest[1]); /* G */ - VEC4_SUB_SAT(quadColor[2], source[2], blend_dest[2]); /* B */ + VEC4_SUB(quadColor[0], source[0], blend_dest[0]); /* R */ + VEC4_SUB(quadColor[1], source[1], blend_dest[1]); /* G */ + VEC4_SUB(quadColor[2], source[2], blend_dest[2]); /* B */ break; case PIPE_BLEND_REVERSE_SUBTRACT: - VEC4_SUB_SAT(quadColor[0], blend_dest[0], source[0]); /* R */ - VEC4_SUB_SAT(quadColor[1], blend_dest[1], source[1]); /* G */ - VEC4_SUB_SAT(quadColor[2], blend_dest[2], source[2]); /* B */ + VEC4_SUB(quadColor[0], blend_dest[0], source[0]); /* R */ + VEC4_SUB(quadColor[1], blend_dest[1], source[1]); /* G */ + VEC4_SUB(quadColor[2], blend_dest[2], source[2]); /* B */ break; case PIPE_BLEND_MIN: VEC4_MIN(quadColor[0], source[0], blend_dest[0]); /* R */ @@ -735,13 +736,13 @@ blend_quad(struct quad_stage *qs, */ switch (softpipe->blend->rt[blend_index].alpha_func) { case PIPE_BLEND_ADD: - VEC4_ADD_SAT(quadColor[3], source[3], blend_dest[3]); /* A */ + VEC4_ADD(quadColor[3], source[3], blend_dest[3]); /* A */ break; case PIPE_BLEND_SUBTRACT: - VEC4_SUB_SAT(quadColor[3], source[3], blend_dest[3]); /* A */ + VEC4_SUB(quadColor[3], source[3], blend_dest[3]); /* A */ break; case PIPE_BLEND_REVERSE_SUBTRACT: - VEC4_SUB_SAT(quadColor[3], blend_dest[3], source[3]); /* A */ + VEC4_SUB(quadColor[3], blend_dest[3], source[3]); /* A */ break; case PIPE_BLEND_MIN: VEC4_MIN(quadColor[3], source[3], blend_dest[3]); /* A */ @@ -909,10 +910,19 @@ blend_fallback(struct quad_stage *qs, if (blend->logicop_enable) { - logicop_quad( qs, quadColor, dest ); + if (bqs->format_type[cbuf] != UTIL_FORMAT_TYPE_FLOAT) { + logicop_quad( qs, quadColor, dest ); + } } else if (blend->rt[blend_buf].blend_enable) { blend_quad(qs, quadColor, dest, blend_color, blend_buf); + + /* If fixed-point dest color buffer, need to clamp the outgoing + * fragment colors now. + */ + if (clamp) { + clamp_colors(quadColor); + } } rebase_colors(bqs->base_format[cbuf], quadColor); @@ -969,6 +979,13 @@ blend_single_add_src_alpha_inv_src_alpha(struct quad_stage *qs, } } + /* If fixed-point dest color buffer, need to clamp the incoming + * fragment colors now. + */ + if (bqs->clamp[0]) { + clamp_colors(quadColor); + } + VEC4_MUL(source[0], quadColor[0], alpha); /* R */ VEC4_MUL(source[1], quadColor[1], alpha); /* G */ VEC4_MUL(source[2], quadColor[2], alpha); /* B */ @@ -978,12 +995,19 @@ blend_single_add_src_alpha_inv_src_alpha(struct quad_stage *qs, VEC4_MUL(dest[0], dest[0], one_minus_alpha); /* R */ VEC4_MUL(dest[1], dest[1], one_minus_alpha); /* G */ VEC4_MUL(dest[2], dest[2], one_minus_alpha); /* B */ - VEC4_MUL(dest[3], dest[3], one_minus_alpha); /* B */ + VEC4_MUL(dest[3], dest[3], one_minus_alpha); /* A */ + + VEC4_ADD(quadColor[0], source[0], dest[0]); /* R */ + VEC4_ADD(quadColor[1], source[1], dest[1]); /* G */ + VEC4_ADD(quadColor[2], source[2], dest[2]); /* B */ + VEC4_ADD(quadColor[3], source[3], dest[3]); /* A */ - VEC4_ADD_SAT(quadColor[0], source[0], dest[0]); /* R */ - VEC4_ADD_SAT(quadColor[1], source[1], dest[1]); /* G */ - VEC4_ADD_SAT(quadColor[2], source[2], dest[2]); /* B */ - VEC4_ADD_SAT(quadColor[3], source[3], dest[3]); /* A */ + /* If fixed-point dest color buffer, need to clamp the outgoing + * fragment colors now. + */ + if (bqs->clamp[0]) { + clamp_colors(quadColor); + } rebase_colors(bqs->base_format[0], quadColor); @@ -1035,10 +1059,17 @@ blend_single_add_one_one(struct quad_stage *qs, clamp_colors(quadColor); } - VEC4_ADD_SAT(quadColor[0], quadColor[0], dest[0]); /* R */ - VEC4_ADD_SAT(quadColor[1], quadColor[1], dest[1]); /* G */ - VEC4_ADD_SAT(quadColor[2], quadColor[2], dest[2]); /* B */ - VEC4_ADD_SAT(quadColor[3], quadColor[3], dest[3]); /* A */ + VEC4_ADD(quadColor[0], quadColor[0], dest[0]); /* R */ + VEC4_ADD(quadColor[1], quadColor[1], dest[1]); /* G */ + VEC4_ADD(quadColor[2], quadColor[2], dest[2]); /* B */ + VEC4_ADD(quadColor[3], quadColor[3], dest[3]); /* A */ + + /* If fixed-point dest color buffer, need to clamp the outgoing + * fragment colors now. + */ + if (bqs->clamp[0]) { + clamp_colors(quadColor); + } rebase_colors(bqs->base_format[0], quadColor); @@ -1150,6 +1181,7 @@ choose_blend_quad(struct quad_stage *qs, util_format_description(format); /* assuming all or no color channels are normalized: */ bqs->clamp[i] = desc->channel[0].normalized; + bqs->format_type[i] = desc->channel[0].type; if (util_format_is_intensity(format)) bqs->base_format[i] = INTENSITY; |