llvmpipe: move more coef setup into lp_setup_coef.c

This commit is contained in:
Keith Whitwell
2010-09-01 18:43:46 +01:00
parent afba373cb1
commit 9df8a7565d
4 changed files with 61 additions and 40 deletions
+28 -7
View File
@@ -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
+4 -1
View File
@@ -56,6 +56,9 @@ struct lp_tri_info {
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);
#endif
@@ -151,13 +151,34 @@ static void perspective_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 slot;
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;
/* The internal position input is in slot zero:
*/
linear_coef(inputs, info, 0, 0);
linear_coef(inputs, &info, 0, 0);
/* setup interpolation for all the remaining attributes:
*/
@@ -167,19 +188,19 @@ void lp_setup_tri_coef( struct lp_setup_context *setup,
switch (setup->fs.input[slot].interp) {
case LP_INTERP_CONSTANT:
if (setup->flatshade_first) {
constant_coef4(inputs, info, slot+1, info->v0[vert_attr]);
constant_coef4(inputs, &info, slot+1, info.v0[vert_attr]);
}
else {
constant_coef4(inputs, info, slot+1, info->v2[vert_attr]);
constant_coef4(inputs, &info, slot+1, info.v2[vert_attr]);
}
break;
case LP_INTERP_LINEAR:
linear_coef(inputs, info, slot+1, vert_attr);
linear_coef(inputs, &info, slot+1, vert_attr);
break;
case LP_INTERP_PERSPECTIVE:
perspective_coef(inputs, info, slot+1, vert_attr);
perspective_coef(inputs, &info, slot+1, vert_attr);
break;
case LP_INTERP_POSITION:
@@ -190,7 +211,7 @@ void lp_setup_tri_coef( struct lp_setup_context *setup,
break;
case LP_INTERP_FACING:
setup_facing_coef(inputs, info, slot+1);
setup_facing_coef(inputs, &info, slot+1);
break;
default:
+1 -25
View File
@@ -227,10 +227,6 @@ do_triangle_ccw(struct lp_setup_context *setup,
struct lp_rast_triangle *tri;
int x[3];
int y[3];
float dy01, dy20;
float dx01, dx20;
float oneoverarea;
struct lp_tri_info info;
int area;
struct u_rect bbox;
unsigned tri_bytes;
@@ -330,29 +326,9 @@ do_triangle_ccw(struct lp_setup_context *setup,
return TRUE;
}
/*
*/
dx01 = v0[0][0] - v1[0][0];
dy01 = v0[0][1] - v1[0][1];
dx20 = v2[0][0] - v0[0][0];
dy20 = v2[0][1] - v0[0][1];
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 parameter interpolants:
*/
lp_setup_tri_coef( setup, &tri->inputs, &info );
lp_setup_tri_coef( setup, &tri->inputs, v0, v1, v2, frontfacing );
tri->inputs.facing = frontfacing ? 1.0F : -1.0F;
tri->inputs.disable = FALSE;