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softpipe: asst clean-ups, const correctness, comments

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This commit is contained in:
Brian Paul 2009-02-11 22:13:17 -07:00
parent f164101b24
commit 492e61d94f
1 changed files with 16 additions and 14 deletions
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30
src/gallium/drivers/softpipe/sp_setup.c
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@ -32,13 +32,12 @@
* \author Brian Paul
*/
#include "sp_setup.h"
#include "sp_context.h"
#include "sp_prim_setup.h"
#include "sp_quad.h"
#include "sp_quad_pipe.h"
#include "sp_setup.h"
#include "sp_state.h"
#include "sp_prim_setup.h"
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_vertex.h"
@ -265,17 +264,20 @@ is_inf_or_nan(float x)
}
static boolean cull_tri( struct setup_context *setup,
float det )
/**
* Do triangle cull test using tri determinant (sign indicates orientation)
* \return true if triangle is to be culled.
*/
static INLINE boolean
cull_tri(const struct setup_context *setup, float det)
{
if (det != 0)
{
if (det != 0) {
/* if (det < 0 then Z points toward camera and triangle is
* counter-clockwise winding.
*/
unsigned winding = (det < 0) ? PIPE_WINDING_CCW : PIPE_WINDING_CW;
if ((winding & setup->winding) == 0)
if ((winding & setup->winding) == 0)
return FALSE;
}
@ -1009,7 +1011,7 @@ void setup_tri( struct setup_context *setup,
* for a line.
*/
static void
line_linear_coeff(struct setup_context *setup,
line_linear_coeff(const struct setup_context *setup,
struct tgsi_interp_coef *coef,
uint vertSlot, uint i)
{
@ -1029,9 +1031,9 @@ line_linear_coeff(struct setup_context *setup,
* for a line.
*/
static void
line_persp_coeff(struct setup_context *setup,
struct tgsi_interp_coef *coef,
uint vertSlot, uint i)
line_persp_coeff(const struct setup_context *setup,
struct tgsi_interp_coef *coef,
uint vertSlot, uint i)
{
/* XXX double-check/verify this arithmetic */
const float a0 = setup->vmin[vertSlot][i] * setup->vmin[0][3];
@ -1266,7 +1268,7 @@ setup_line(struct setup_context *setup,
static void
point_persp_coeff(struct setup_context *setup,
point_persp_coeff(const struct setup_context *setup,
const float (*vert)[4],
struct tgsi_interp_coef *coef,
uint vertSlot, uint i)