* \author Brian Paul
*/
-#include "sp_setup.h"
-
#include "sp_context.h"
-#include "sp_headers.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"
#endif
+
+
/**
- * Test if x is NaN or +/- infinity.
+ * Do triangle cull test using tri determinant (sign indicates orientation)
+ * \return true if triangle is to be culled.
*/
static INLINE boolean
-is_inf_or_nan(float x)
-{
- union fi tmp;
- tmp.f = x;
- return !(int)((unsigned int)((tmp.i & 0x7fffffff)-0x7f800000) >> 31);
-}
-
-
-static boolean cull_tri( struct setup_context *setup,
- float det )
+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;
}
for (i = 0; i < setup->quad.nr_attrs; i++) {
debug_printf(" %d: %f %f %f %f\n", i,
v[i][0], v[i][1], v[i][2], v[i][3]);
+ if (util_is_inf_or_nan(v[i][0])) {
+ debug_printf(" NaN!\n");
+ }
}
}
#endif
debug_printf("%s one-over-area %f area %f det %f\n",
__FUNCTION__, setup->oneoverarea, area, det );
*/
- if (is_inf_or_nan(setup->oneoverarea))
+ if (util_is_inf_or_nan(setup->oneoverarea))
return FALSE;
}
setup->coef[slot].dadx[0] = 1.0;
setup->coef[slot].dady[0] = 0.0;
/*Y*/
- if (setup->softpipe->rasterizer->origin_lower_left) {
- /* y=0=bottom */
- const int winHeight = setup->softpipe->framebuffer.height;
- setup->coef[slot].a0[1] = (float) (winHeight - 1);
- setup->coef[slot].dady[1] = -1.0;
- }
- else {
- /* y=0=top */
- setup->coef[slot].a0[1] = 0.0;
- setup->coef[slot].dady[1] = 1.0;
- }
+ setup->coef[slot].a0[1] = 0.0;
setup->coef[slot].dadx[1] = 0.0;
+ setup->coef[slot].dady[1] = 1.0;
/*Z*/
setup->coef[slot].a0[2] = setup->posCoef.a0[2];
setup->coef[slot].dadx[2] = setup->posCoef.dadx[2];
setup_tri_coefficients( setup );
setup_tri_edges( setup );
- setup->quad.input.prim = PRIM_TRI;
+ setup->quad.input.prim = QUAD_PRIM_TRI;
setup->span.y = 0;
setup->span.y_flags = 0;
* 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)
{
* 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];
/* NOTE: this is not really area but something proportional to it */
area = setup->emaj.dx * setup->emaj.dx + setup->emaj.dy * setup->emaj.dy;
- if (area == 0.0f || is_inf_or_nan(area))
+ if (area == 0.0f || util_is_inf_or_nan(area))
return FALSE;
setup->oneoverarea = 1.0f / area;
setup->quad.input.x0 = setup->quad.input.y0 = -1;
setup->quad.inout.mask = 0x0;
- setup->quad.input.prim = PRIM_LINE;
+ setup->quad.input.prim = QUAD_PRIM_LINE;
/* XXX temporary: set coverage to 1.0 so the line appears
* if AA mode happens to be enabled.
*/
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)
}
}
- setup->quad.input.prim = PRIM_POINT;
+ setup->quad.input.prim = QUAD_PRIM_POINT;
if (halfSize <= 0.5 && !round) {
/* special case for 1-pixel points */
softpipe_update_derived(sp);
}
- /* Mark surfaces as defined now */
- for (i = 0; i < sp->framebuffer.num_cbufs; i++){
- if (sp->framebuffer.cbufs[i]) {
- sp->framebuffer.cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
- }
- }
- if (sp->framebuffer.zsbuf) {
- sp->framebuffer.zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
- }
-
/* Note: nr_attrs is only used for debugging (vertex printing) */
setup->quad.nr_attrs = draw_num_vs_outputs(sp->draw);