diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_quad_blend.c')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_quad_blend.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_blend.c b/src/gallium/drivers/softpipe/sp_quad_blend.c index e243c63fa2..d9babe81da 100644 --- a/src/gallium/drivers/softpipe/sp_quad_blend.c +++ b/src/gallium/drivers/softpipe/sp_quad_blend.c @@ -229,7 +229,7 @@ blend_quad(struct quad_stage *qs, static const float zero[4] = { 0, 0, 0, 0 }; static const float one[4] = { 1, 1, 1, 1 }; struct softpipe_context *softpipe = qs->softpipe; - float source[4][QUAD_SIZE]; + float source[4][QUAD_SIZE] = { { 0 } }; /* * Compute src/first term RGB @@ -478,7 +478,15 @@ blend_quad(struct quad_stage *qs, VEC4_MUL(dest[2], dest[2], dest[2]); /* B */ break; case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: - assert(0); /* illegal */ + { + const float *alpha = quadColor[3]; + float diff[4], temp[4]; + VEC4_SUB(diff, one, dest[3]); + VEC4_MIN(temp, alpha, diff); + VEC4_MUL(dest[0], quadColor[0], temp); /* R */ + VEC4_MUL(dest[1], quadColor[1], temp); /* G */ + VEC4_MUL(dest[2], quadColor[2], temp); /* B */ + } break; case PIPE_BLENDFACTOR_CONST_COLOR: { @@ -600,7 +608,7 @@ blend_quad(struct quad_stage *qs, VEC4_MUL(dest[3], dest[3], dest[3]); /* A */ break; case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: - assert(0); /* illegal */ + /* dest = dest * 1 NO-OP, leave dest as-is */ break; case PIPE_BLENDFACTOR_CONST_COLOR: /* fall-through */ @@ -946,15 +954,15 @@ choose_blend_quad(struct quad_stage *qs, qs->run = blend_noop; } else if (!softpipe->blend->logicop_enable && - softpipe->blend->colormask == 0xf) + softpipe->blend->colormask == 0xf && + softpipe->framebuffer.nr_cbufs == 1) { if (!blend->blend_enable) { qs->run = single_output_color; } else if (blend->rgb_src_factor == blend->alpha_src_factor && blend->rgb_dst_factor == blend->alpha_dst_factor && - blend->rgb_func == blend->alpha_func && - softpipe->framebuffer.nr_cbufs == 1) + blend->rgb_func == blend->alpha_func) { if (blend->alpha_func == PIPE_BLEND_ADD) { if (blend->rgb_src_factor == PIPE_BLENDFACTOR_ONE && |