diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_point.c | 44 |
1 files changed, 23 insertions, 21 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_point.c b/src/gallium/drivers/llvmpipe/lp_setup_point.c index 5538987151..5521cbbe87 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_point.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_point.c @@ -52,26 +52,29 @@ struct point_info { /** * Compute a0 for a constant-valued coefficient (GL_FLAT shading). */ -static void constant_coef( struct lp_setup_context *setup, - struct lp_rast_triangle *point, - unsigned slot, - const float value, - unsigned i ) +static void +constant_coef(struct lp_setup_context *setup, + struct lp_rast_triangle *point, + 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; } -static void perspective_coef( struct lp_setup_context *setup, - struct lp_rast_triangle *point, - const struct point_info *info, - unsigned slot, - unsigned vert_attr, - unsigned i) + +static void +perspective_coef(struct lp_setup_context *setup, + struct lp_rast_triangle *point, + const struct point_info *info, + unsigned slot, + unsigned vert_attr, + unsigned i) { - if (i == 0) { - float dadx = FIXED_ONE / (float)info->dx12; + if (i == 0) { + float dadx = FIXED_ONE / (float)info->dx12; float dady = 0.0f; point->inputs.dadx[slot][i] = dadx; point->inputs.dady[slot][i] = dady; @@ -79,30 +82,26 @@ static void perspective_coef( struct lp_setup_context *setup, (dadx * ((float)info->v0[0][0] - setup->pixel_offset) + dady * ((float)info->v0[0][1] - setup->pixel_offset))); } - else if (i == 1) { - float dadx = 0.0f; + float dadx = 0.0f; float dady = FIXED_ONE / (float)info->dx12; - + point->inputs.dadx[slot][i] = dadx; point->inputs.dady[slot][i] = dady; point->inputs.a0[slot][i] = (0.5 - (dadx * ((float)info->v0[0][0] - setup->pixel_offset) + dady * ((float)info->v0[0][1] - setup->pixel_offset))); } - else if (i == 2) { point->inputs.a0[slot][i] = 0.0f; point->inputs.dadx[slot][i] = 0.0f; point->inputs.dady[slot][i] = 0.0f; } - else if (i == 3) { point->inputs.a0[slot][i] = 1.0f; point->inputs.dadx[slot][i] = 0.0f; point->inputs.dady[slot][i] = 0.0f; } - } @@ -144,6 +143,7 @@ setup_point_fragcoord_coef(struct lp_setup_context *setup, } } + /** * Compute the point->coef[] array dadx, dady, a0 values. */ @@ -203,6 +203,7 @@ setup_point_coefficients( struct lp_setup_context *setup, fragcoord_usage_mask); } + static INLINE int subpixel_snap(float a) { @@ -322,8 +323,9 @@ try_setup_point( struct lp_setup_context *setup, } -static void lp_setup_point( struct lp_setup_context *setup, - const float (*v0)[4] ) +static void +lp_setup_point(struct lp_setup_context *setup, + const float (*v0)[4]) { if (!try_setup_point( setup, v0 )) { |