diff options
Diffstat (limited to 'src/gallium/drivers/softpipe')
| -rw-r--r-- | src/gallium/drivers/softpipe/sp_quad_blend.c | 82 |
1 files changed, 55 insertions, 27 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_blend.c b/src/gallium/drivers/softpipe/sp_quad_blend.c index b8ed0867343..e243c63fa23 100644 --- a/src/gallium/drivers/softpipe/sp_quad_blend.c +++ b/src/gallium/drivers/softpipe/sp_quad_blend.c @@ -793,7 +793,10 @@ blend_single_add_src_alpha_inv_src_alpha(struct quad_stage *qs, struct quad_header *quads[], unsigned nr) { - float source[4]; + static const float one[4] = { 1, 1, 1, 1 }; + float one_minus_alpha[QUAD_SIZE]; + float dest[4][QUAD_SIZE]; + float source[4][QUAD_SIZE]; uint i, j, q; struct softpipe_cached_tile *tile @@ -803,26 +806,45 @@ blend_single_add_src_alpha_inv_src_alpha(struct quad_stage *qs, for (q = 0; q < nr; q++) { struct quad_header *quad = quads[q]; + float (*quadColor)[4] = quad->output.color[0]; + const float *alpha = quadColor[3]; const int itx = (quad->input.x0 & (TILE_SIZE-1)); const int ity = (quad->input.y0 & (TILE_SIZE-1)); - float (*swzColor)[4] = quad->output.color[0]; - for (j = 0; j < 4; j++) { - if (quad->inout.mask & (1<<j)) { - float *dest = tile->data.color[ity + (j>>1)][itx + (j&1)]; - const float alpha = swzColor[3][j]; - const float one_minus_alpha = 1.0 - alpha; + /* get/swizzle dest colors */ + for (j = 0; j < QUAD_SIZE; j++) { + int x = itx + (j & 1); + int y = ity + (j >> 1); + for (i = 0; i < 4; i++) { + dest[i][j] = tile->data.color[y][x][i]; + } + } - for (i = 0; i < 4; i++) { - dest[i] *= one_minus_alpha; - dest[i] += swzColor[i][j] * alpha; + VEC4_MUL(source[0], quadColor[0], alpha); /* R */ + VEC4_MUL(source[1], quadColor[1], alpha); /* G */ + VEC4_MUL(source[2], quadColor[2], alpha); /* B */ + VEC4_MUL(source[3], quadColor[3], alpha); /* A */ + + VEC4_SUB(one_minus_alpha, one, alpha); + 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_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 */ - /* XXX: redundant, will be clamped later for argb8 surfaces: - */ - dest[i] = CLAMP(dest[i], 0.0, 1.0); + for (j = 0; j < QUAD_SIZE; j++) { + if (quad->inout.mask & (1 << j)) { + int x = itx + (j & 1); + int y = ity + (j >> 1); + for (i = 0; i < 4; i++) { /* loop over color chans */ + tile->data.color[y][x][i] = quadColor[i][j]; } } - } + } } } @@ -841,27 +863,33 @@ blend_single_add_one_one(struct quad_stage *qs, for (q = 0; q < nr; q++) { struct quad_header *quad = quads[q]; + float (*quadColor)[4] = quad->output.color[0]; const int itx = (quad->input.x0 & (TILE_SIZE-1)); const int ity = (quad->input.y0 & (TILE_SIZE-1)); - float (*dest)[64][4] = (float (*)[64][4])&tile->data.color[ity][itx]; - float (*swzColor)[4] = quad->output.color[0]; - float quadColor[4][4]; - + /* get/swizzle dest colors */ for (j = 0; j < QUAD_SIZE; j++) { + int x = itx + (j & 1); + int y = ity + (j >> 1); for (i = 0; i < 4; i++) { - quadColor[i][j] = swzColor[j][i]; + dest[i][j] = tile->data.color[y][x][i]; } } - if (quad->inout.mask & 1) - VEC4_ADD_SAT(dest[0][0], quadColor[0], dest[0][0]); - if (quad->inout.mask & 2) - VEC4_ADD_SAT(dest[0][1], quadColor[1], dest[0][1]); - if (quad->inout.mask & 4) - VEC4_ADD_SAT(dest[1][0], quadColor[2], dest[1][0]); - if (quad->inout.mask & 8) - VEC4_ADD_SAT(dest[1][1], quadColor[3], dest[1][1]); + 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 */ + + for (j = 0; j < QUAD_SIZE; j++) { + if (quad->inout.mask & (1 << j)) { + int x = itx + (j & 1); + int y = ity + (j >> 1); + for (i = 0; i < 4; i++) { /* loop over color chans */ + tile->data.color[y][x][i] = quadColor[i][j]; + } + } + } } } |