diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_point.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_point.c | 141 |
1 files changed, 73 insertions, 68 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_point.c b/src/gallium/drivers/llvmpipe/lp_setup_point.c index 108c831e66..e30e70e16d 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_point.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_point.c @@ -45,6 +45,10 @@ struct point_info { int dx01, dx12; const float (*v0)[4]; + + float (*a0)[4]; + float (*dadx)[4]; + float (*dady)[4]; }; @@ -53,20 +57,19 @@ struct point_info { */ static void constant_coef(struct lp_setup_context *setup, - struct lp_rast_triangle *point, + struct point_info *info, unsigned slot, const float value, unsigned i) { - point->inputs.a0[slot][i] = value; - point->inputs.dadx[slot][i] = 0.0f; - point->inputs.dady[slot][i] = 0.0f; + info->a0[slot][i] = value; + info->dadx[slot][i] = 0.0f; + info->dady[slot][i] = 0.0f; } static void point_persp_coeff(struct lp_setup_context *setup, - struct lp_rast_triangle *point, const struct point_info *info, unsigned slot, unsigned i) @@ -82,9 +85,9 @@ point_persp_coeff(struct lp_setup_context *setup, assert(i < 4); - point->inputs.a0[slot][i] = info->v0[slot][i]*w0; - point->inputs.dadx[slot][i] = 0.0f; - point->inputs.dady[slot][i] = 0.0f; + info->a0[slot][i] = info->v0[slot][i]*w0; + info->dadx[slot][i] = 0.0f; + info->dady[slot][i] = 0.0f; } @@ -98,7 +101,6 @@ point_persp_coeff(struct lp_setup_context *setup, */ static void texcoord_coef(struct lp_setup_context *setup, - struct lp_rast_triangle *point, const struct point_info *info, unsigned slot, unsigned i, @@ -115,14 +117,14 @@ texcoord_coef(struct lp_setup_context *setup, float x0 = info->v0[0][0] - setup->pixel_offset; float y0 = info->v0[0][1] - setup->pixel_offset; - point->inputs.dadx[slot][0] = dadx; - point->inputs.dady[slot][0] = dady; - point->inputs.a0[slot][0] = 0.5 - (dadx * x0 + dady * y0); + info->dadx[slot][0] = dadx; + info->dady[slot][0] = dady; + info->a0[slot][0] = 0.5 - (dadx * x0 + dady * y0); if (perspective) { - point->inputs.dadx[slot][0] *= w0; - point->inputs.dady[slot][0] *= w0; - point->inputs.a0[slot][0] *= w0; + info->dadx[slot][0] *= w0; + info->dady[slot][0] *= w0; + info->a0[slot][0] *= w0; } } else if (i == 1) { @@ -135,25 +137,25 @@ texcoord_coef(struct lp_setup_context *setup, dady = -dady; } - point->inputs.dadx[slot][1] = dadx; - point->inputs.dady[slot][1] = dady; - point->inputs.a0[slot][1] = 0.5 - (dadx * x0 + dady * y0); + info->dadx[slot][1] = dadx; + info->dady[slot][1] = dady; + info->a0[slot][1] = 0.5 - (dadx * x0 + dady * y0); if (perspective) { - point->inputs.dadx[slot][1] *= w0; - point->inputs.dady[slot][1] *= w0; - point->inputs.a0[slot][1] *= w0; + info->dadx[slot][1] *= w0; + info->dady[slot][1] *= w0; + info->a0[slot][1] *= w0; } } else if (i == 2) { - point->inputs.a0[slot][2] = 0.0f; - point->inputs.dadx[slot][2] = 0.0f; - point->inputs.dady[slot][2] = 0.0f; + info->a0[slot][2] = 0.0f; + info->dadx[slot][2] = 0.0f; + info->dady[slot][2] = 0.0f; } else { - point->inputs.a0[slot][3] = perspective ? w0 : 1.0f; - point->inputs.dadx[slot][3] = 0.0f; - point->inputs.dady[slot][3] = 0.0f; + info->a0[slot][3] = perspective ? w0 : 1.0f; + info->dadx[slot][3] = 0.0f; + info->dady[slot][3] = 0.0f; } } @@ -166,33 +168,32 @@ texcoord_coef(struct lp_setup_context *setup, */ static void setup_point_fragcoord_coef(struct lp_setup_context *setup, - struct lp_rast_triangle *point, - const struct point_info *info, + struct point_info *info, unsigned slot, unsigned usage_mask) { /*X*/ if (usage_mask & TGSI_WRITEMASK_X) { - point->inputs.a0[slot][0] = 0.0; - point->inputs.dadx[slot][0] = 1.0; - point->inputs.dady[slot][0] = 0.0; + info->a0[slot][0] = 0.0; + info->dadx[slot][0] = 1.0; + info->dady[slot][0] = 0.0; } /*Y*/ if (usage_mask & TGSI_WRITEMASK_Y) { - point->inputs.a0[slot][1] = 0.0; - point->inputs.dadx[slot][1] = 0.0; - point->inputs.dady[slot][1] = 1.0; + info->a0[slot][1] = 0.0; + info->dadx[slot][1] = 0.0; + info->dady[slot][1] = 1.0; } /*Z*/ if (usage_mask & TGSI_WRITEMASK_Z) { - constant_coef(setup, point, slot, info->v0[0][2], 2); + constant_coef(setup, info, slot, info->v0[0][2], 2); } /*W*/ if (usage_mask & TGSI_WRITEMASK_W) { - constant_coef(setup, point, slot, info->v0[0][3], 3); + constant_coef(setup, info, slot, info->v0[0][3], 3); } } @@ -202,8 +203,7 @@ setup_point_fragcoord_coef(struct lp_setup_context *setup, */ static void setup_point_coefficients( struct lp_setup_context *setup, - struct lp_rast_triangle *point, - const struct point_info *info) + struct point_info *info) { const struct lp_fragment_shader *shader = setup->fs.current.variant->shader; unsigned fragcoord_usage_mask = TGSI_WRITEMASK_XYZ; @@ -248,7 +248,7 @@ setup_point_coefficients( struct lp_setup_context *setup, (setup->sprite_coord_enable & (1 << semantic_index))) { for (i = 0; i < NUM_CHANNELS; i++) { if (usage_mask & (1 << i)) { - texcoord_coef(setup, point, info, slot + 1, i, + texcoord_coef(setup, info, slot + 1, i, setup->sprite_coord_origin, perspective); } @@ -261,10 +261,10 @@ setup_point_coefficients( struct lp_setup_context *setup, for (i = 0; i < NUM_CHANNELS; i++) { if (usage_mask & (1 << i)) { if (perspective) { - point_persp_coeff(setup, point, info, slot+1, i); + point_persp_coeff(setup, info, slot+1, i); } else { - constant_coef(setup, point, slot+1, info->v0[vert_attr][i], i); + constant_coef(setup, info, slot+1, info->v0[vert_attr][i], i); } } } @@ -273,7 +273,7 @@ setup_point_coefficients( struct lp_setup_context *setup, case LP_INTERP_FACING: for (i = 0; i < NUM_CHANNELS; i++) if (usage_mask & (1 << i)) - constant_coef(setup, point, slot+1, 1.0, i); + constant_coef(setup, info, slot+1, 1.0, i); break; default: @@ -284,7 +284,7 @@ setup_point_coefficients( struct lp_setup_context *setup, /* The internal position input is in slot zero: */ - setup_point_fragcoord_coef(setup, point, info, 0, + setup_point_fragcoord_coef(setup, info, 0, fragcoord_usage_mask); } @@ -368,39 +368,44 @@ try_setup_point( struct lp_setup_context *setup, info.dx12 = fixed_width; info.dy01 = fixed_width; info.dy12 = 0; + info.a0 = GET_A0(&point->inputs); + info.dadx = GET_DADX(&point->inputs); + info.dady = GET_DADY(&point->inputs); /* Setup parameter interpolants: */ - setup_point_coefficients(setup, point, &info); + setup_point_coefficients(setup, &info); point->inputs.frontfacing = TRUE; point->inputs.disable = FALSE; point->inputs.opaque = FALSE; { - point->plane[0].dcdx = -1; - point->plane[0].dcdy = 0; - point->plane[0].c = 1-bbox.x0; - point->plane[0].ei = 0; - point->plane[0].eo = 1; - - point->plane[1].dcdx = 1; - point->plane[1].dcdy = 0; - point->plane[1].c = bbox.x1+1; - point->plane[1].ei = -1; - point->plane[1].eo = 0; - - point->plane[2].dcdx = 0; - point->plane[2].dcdy = 1; - point->plane[2].c = 1-bbox.y0; - point->plane[2].ei = 0; - point->plane[2].eo = 1; - - point->plane[3].dcdx = 0; - point->plane[3].dcdy = -1; - point->plane[3].c = bbox.y1+1; - point->plane[3].ei = -1; - point->plane[3].eo = 0; + struct lp_rast_plane *plane = GET_PLANES(point); + + plane[0].dcdx = -1; + plane[0].dcdy = 0; + plane[0].c = 1-bbox.x0; + plane[0].ei = 0; + plane[0].eo = 1; + + plane[1].dcdx = 1; + plane[1].dcdy = 0; + plane[1].c = bbox.x1+1; + plane[1].ei = -1; + plane[1].eo = 0; + + plane[2].dcdx = 0; + plane[2].dcdy = 1; + plane[2].c = 1-bbox.y0; + plane[2].ei = 0; + plane[2].eo = 1; + + plane[3].dcdx = 0; + plane[3].dcdy = -1; + plane[3].c = bbox.y1+1; + plane[3].ei = -1; + plane[3].eo = 0; } return lp_setup_bin_triangle(setup, point, &bbox, nr_planes); |