*
**************************************************************************/
-#include "pipe/p_util.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
+
#include "draw/draw_context.h"
#include "draw/draw_private.h"
#include "draw/draw_pt.h"
#define FETCH_MAX 256
-#define DRAW_MAX (16*FETCH_MAX)
+#define DRAW_MAX (FETCH_MAX+8)
struct varray_frontend {
struct draw_pt_front_end base;
ushort draw_elts[DRAW_MAX];
unsigned fetch_elts[FETCH_MAX];
- unsigned draw_count;
- unsigned fetch_count;
-
- unsigned fetch_start;
+ unsigned driver_fetch_max;
+ unsigned fetch_max;
struct draw_pt_middle_end *middle;
unsigned output_prim;
};
-static void varray_flush(struct varray_frontend *varray)
-{
- if (varray->draw_count) {
-#if 0
- debug_printf("FLUSH fc = %d, dc = %d\n",
- varray->fetch_count,
- varray->draw_count);
- debug_printf("\telt0 = %d, eltx = %d, draw0 = %d, drawx = %d\n",
- varray->fetch_elts[0],
- varray->fetch_elts[varray->fetch_count-1],
- varray->draw_elts[0],
- varray->draw_elts[varray->draw_count-1]);
-#endif
- varray->middle->run(varray->middle,
- varray->fetch_elts,
- varray->fetch_count,
- varray->draw_elts,
- varray->draw_count);
- }
-
- varray->fetch_count = 0;
- varray->draw_count = 0;
-}
static void varray_flush_linear(struct varray_frontend *varray,
unsigned start, unsigned count)
{
if (count) {
-#if 0
- debug_printf("FLUSH LINEAR start = %d, count = %d\n",
- start,
- count);
-#endif
assert(varray->middle->run_linear);
varray->middle->run_linear(varray->middle, start, count);
}
}
-static INLINE void fetch_init(struct varray_frontend *varray,
- unsigned count)
+static void varray_line_loop_segment(struct varray_frontend *varray,
+ unsigned start,
+ unsigned segment_start,
+ unsigned segment_count,
+ boolean end )
{
- unsigned idx;
-#if 0
- debug_printf("FETCH INIT c = %d, fs = %d\n",
- count,
- varray->fetch_start);
-#endif
- for (idx = 0; idx < count; ++idx) {
- varray->fetch_elts[idx] = varray->fetch_start + idx;
- }
- varray->fetch_start += idx;
- varray->fetch_count = idx;
-}
+ assert(segment_count+1 < varray->fetch_max);
+ if (segment_count >= 1) {
+ unsigned nr = 0, i;
+ for (i = 0; i < segment_count; i++)
+ varray->fetch_elts[nr++] = start + segment_start + i;
+ if (end)
+ varray->fetch_elts[nr++] = start;
+ assert(nr < FETCH_MAX);
-static INLINE void add_draw_el(struct varray_frontend *varray,
- unsigned idx)
-{
- varray->draw_elts[varray->draw_count++] = (ushort)idx;
+ varray->middle->run(varray->middle,
+ varray->fetch_elts,
+ nr,
+ varray->draw_elts, /* ie. linear */
+ nr);
+ }
}
-static INLINE void varray_triangle( struct varray_frontend *varray,
- unsigned i0,
- unsigned i1,
- unsigned i2 )
-{
- add_draw_el(varray, i0);
- add_draw_el(varray, i1);
- add_draw_el(varray, i2);
-}
-static INLINE void varray_line( struct varray_frontend *varray,
- unsigned i0,
- unsigned i1 )
+static void varray_fan_segment(struct varray_frontend *varray,
+ unsigned start,
+ unsigned segment_start,
+ unsigned segment_count )
{
- add_draw_el(varray, i0);
- add_draw_el(varray, i1);
-}
+ assert(segment_count+1 < varray->fetch_max);
+ if (segment_count >= 2) {
+ unsigned nr = 0, i;
+ if (segment_start != 0)
+ varray->fetch_elts[nr++] = start;
-static INLINE void varray_point( struct varray_frontend *varray,
- unsigned i0 )
-{
- add_draw_el(varray, i0);
+ for (i = 0 ; i < segment_count; i++)
+ varray->fetch_elts[nr++] = start + segment_start + i;
+
+ assert(nr < FETCH_MAX);
+
+ varray->middle->run(varray->middle,
+ varray->fetch_elts,
+ nr,
+ varray->draw_elts, /* ie. linear */
+ nr);
+ }
}
-#if 0
-#define TRIANGLE(flags,i0,i1,i2) varray_triangle(varray,i0,i1,i2)
-#define LINE(flags,i0,i1) varray_line(varray,i0,i1)
-#define POINT(i0) varray_point(varray,i0)
-#define FUNC varray_decompose
-#include "draw_pt_decompose.h"
-#else
-#define TRIANGLE(vc,i0,i1,i2) varray_triangle(vc,i0,i1,i2)
-#define LINE(vc,i0,i1) varray_line(vc,i0,i1)
-#define POINT(vc,i0) varray_point(vc,i0)
+
+
#define FUNC varray_run
#include "draw_pt_varray_tmp_linear.h"
-#endif
static unsigned decompose_prim[PIPE_PRIM_POLYGON + 1] = {
PIPE_PRIM_POINTS,
PIPE_PRIM_LINES,
- PIPE_PRIM_LINES, /* decomposed LINELOOP */
+ PIPE_PRIM_LINE_STRIP, /* decomposed LINELOOP */
PIPE_PRIM_LINE_STRIP,
PIPE_PRIM_TRIANGLES,
PIPE_PRIM_TRIANGLE_STRIP,
- PIPE_PRIM_TRIANGLES, /* decomposed TRI_FAN */
+ PIPE_PRIM_TRIANGLE_FAN,
PIPE_PRIM_QUADS,
PIPE_PRIM_QUAD_STRIP,
- PIPE_PRIM_TRIANGLES /* decomposed POLYGON */
+ PIPE_PRIM_POLYGON
};
varray->output_prim = decompose_prim[prim];
varray->middle = middle;
- middle->prepare(middle, varray->output_prim, opt);
+ middle->prepare(middle, varray->output_prim, opt, &varray->driver_fetch_max );
+
+ /* check that the max is even */
+ assert((varray->driver_fetch_max & 1) == 0);
+
+ varray->fetch_max = MIN2(FETCH_MAX, varray->driver_fetch_max);
}
struct draw_pt_front_end *draw_pt_varray(struct draw_context *draw)
{
+ ushort i;
struct varray_frontend *varray = CALLOC_STRUCT(varray_frontend);
if (varray == NULL)
return NULL;
varray->base.destroy = varray_destroy;
varray->draw = draw;
+ for (i = 0; i < DRAW_MAX; i++) {
+ varray->draw_elts[i] = i;
+ }
+
return &varray->base;
}
projects / mesa.git / blobdiff