diff options
author | Keith Whitwell <keithw@vmware.com> | 2010-09-01 18:43:46 +0100 |
---|---|---|
committer | Keith Whitwell <keithw@vmware.com> | 2010-09-07 14:02:29 +0100 |
commit | 9df8a7565db608eaccf917632bf6c702203531b8 (patch) | |
tree | e4757e2e28947405370c8cd35f220ede2339093f /src/gallium/drivers/llvmpipe/lp_setup_coef.c | |
parent | afba373cb19af662c6fdaf245956d6e25254a900 (diff) |
llvmpipe: move more coef setup into lp_setup_coef.c
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_coef.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_coef.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_coef.c b/src/gallium/drivers/llvmpipe/lp_setup_coef.c index 95e3e8fffe..8dc2688ddb 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_coef.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_coef.c @@ -187,11 +187,32 @@ static void setup_facing_coef( struct lp_rast_shader_inputs *inputs, */ void lp_setup_tri_coef( struct lp_setup_context *setup, struct lp_rast_shader_inputs *inputs, - const struct lp_tri_info *info) + const float (*v0)[4], + const float (*v1)[4], + const float (*v2)[4], + boolean frontfacing) { unsigned fragcoord_usage_mask = TGSI_WRITEMASK_XYZ; unsigned slot; unsigned i; + struct lp_tri_info info; + float dx01 = v0[0][0] - v1[0][0]; + float dy01 = v0[0][1] - v1[0][1]; + float dx20 = v2[0][0] - v0[0][0]; + float dy20 = v2[0][1] - v0[0][1]; + float oneoverarea = 1.0f / (dx01 * dy20 - dx20 * dy01); + + info.v0 = v0; + info.v1 = v1; + info.v2 = v2; + info.frontfacing = frontfacing; + info.x0_center = v0[0][0] - setup->pixel_offset; + info.y0_center = v0[0][1] - setup->pixel_offset; + info.dx01_ooa = dx01 * oneoverarea; + info.dx20_ooa = dx20 * oneoverarea; + info.dy01_ooa = dy01 * oneoverarea; + info.dy20_ooa = dy20 * oneoverarea; + /* setup interpolation for all the remaining attributes: */ @@ -204,25 +225,25 @@ void lp_setup_tri_coef( struct lp_setup_context *setup, if (setup->flatshade_first) { for (i = 0; i < NUM_CHANNELS; i++) if (usage_mask & (1 << i)) - constant_coef(inputs, slot+1, info->v0[vert_attr][i], i); + constant_coef(inputs, slot+1, info.v0[vert_attr][i], i); } else { for (i = 0; i < NUM_CHANNELS; i++) if (usage_mask & (1 << i)) - constant_coef(inputs, slot+1, info->v2[vert_attr][i], i); + constant_coef(inputs, slot+1, info.v2[vert_attr][i], i); } break; case LP_INTERP_LINEAR: for (i = 0; i < NUM_CHANNELS; i++) if (usage_mask & (1 << i)) - linear_coef(inputs, info, slot+1, vert_attr, i); + linear_coef(inputs, &info, slot+1, vert_attr, i); break; case LP_INTERP_PERSPECTIVE: for (i = 0; i < NUM_CHANNELS; i++) if (usage_mask & (1 << i)) - perspective_coef(inputs, info, slot+1, vert_attr, i); + perspective_coef(inputs, &info, slot+1, vert_attr, i); fragcoord_usage_mask |= TGSI_WRITEMASK_W; break; @@ -236,7 +257,7 @@ void lp_setup_tri_coef( struct lp_setup_context *setup, break; case LP_INTERP_FACING: - setup_facing_coef(inputs, slot+1, info->frontfacing, usage_mask); + setup_facing_coef(inputs, slot+1, info.frontfacing, usage_mask); break; default: @@ -246,7 +267,7 @@ void lp_setup_tri_coef( struct lp_setup_context *setup, /* The internal position input is in slot zero: */ - setup_fragcoord_coef(inputs, info, 0, fragcoord_usage_mask); + setup_fragcoord_coef(inputs, &info, 0, fragcoord_usage_mask); } #else |