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llvmpipe: minor assorted clean-ups

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This commit is contained in:
Brian Paul 2010-01-13 18:01:45 -07:00
parent 018b78ad64
commit f19f218e7a
1 changed files with 12 additions and 10 deletions
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22
src/gallium/drivers/llvmpipe/lp_setup_tri.c
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@ -36,6 +36,7 @@
#define NUM_CHANNELS 4
/**
* Compute a0 for a constant-valued coefficient (GL_FLAT shading).
*/
@ -45,10 +46,11 @@ static void constant_coef( struct lp_rast_triangle *tri,
unsigned i )
{
tri->inputs.a0[slot][i] = value;
tri->inputs.dadx[slot][i] = 0;
tri->inputs.dady[slot][i] = 0;
tri->inputs.dadx[slot][i] = 0.0f;
tri->inputs.dady[slot][i] = 0.0f;
}
/**
* Compute a0, dadx and dady for a linearly interpolated coefficient,
* for a triangle.
@ -184,8 +186,7 @@ static void setup_tri_coefficients( struct setup_context *setup,
/* Allocate space for the a0, dadx and dady arrays
*/
{
unsigned bytes;
bytes = (setup->fs.nr_inputs + 1) * 4 * sizeof(float);
unsigned bytes = (setup->fs.nr_inputs + 1) * 4 * sizeof(float);
tri->inputs.a0 = lp_scene_alloc_aligned( scene, bytes, 16 );
tri->inputs.dadx = lp_scene_alloc_aligned( scene, bytes, 16 );
tri->inputs.dady = lp_scene_alloc_aligned( scene, bytes, 16 );
@ -281,7 +282,7 @@ do_triangle_ccw(struct setup_context *setup,
*
* XXX: subject to overflow??
*/
if (area <= 0) {
if (area <= 0.0f) {
lp_scene_putback_data( scene, sizeof *tri );
return;
}
@ -306,8 +307,7 @@ do_triangle_ccw(struct setup_context *setup,
*/
setup_tri_coefficients( setup, tri, oneoverarea, v1, v2, v3, frontfacing );
/* half-edge constants, will be interated over the whole
* rendertarget.
/* half-edge constants, will be interated over the whole render target.
*/
tri->c1 = tri->dy12 * x1 - tri->dx12 * y1;
tri->c2 = tri->dy23 * x2 - tri->dx23 * y2;
@ -494,6 +494,7 @@ do_triangle_ccw(struct setup_context *setup,
}
}
static void triangle_cw( struct setup_context *setup,
const float (*v0)[4],
const float (*v1)[4],
@ -502,6 +503,7 @@ static void triangle_cw( struct setup_context *setup,
do_triangle_ccw( setup, v1, v0, v2, !setup->ccw_is_frontface );
}
static void triangle_ccw( struct setup_context *setup,
const float (*v0)[4],
const float (*v1)[4],
@ -510,6 +512,7 @@ static void triangle_ccw( struct setup_context *setup,
do_triangle_ccw( setup, v0, v1, v2, setup->ccw_is_frontface );
}
static void triangle_both( struct setup_context *setup,
const float (*v0)[4],
const float (*v1)[4],
@ -522,12 +525,13 @@ static void triangle_both( struct setup_context *setup,
const float fy = v1[0][1] - v2[0][1];
/* det = cross(e,f).z */
if (ex * fy - ey * fx < 0)
if (ex * fy - ey * fx < 0.0f)
triangle_ccw( setup, v0, v1, v2 );
else
triangle_cw( setup, v0, v1, v2 );
}
static void triangle_nop( struct setup_context *setup,
const float (*v0)[4],
const float (*v1)[4],
@ -554,5 +558,3 @@ lp_setup_choose_triangle( struct setup_context *setup )
break;
}
}