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authorKeith Whitwell <keithw@vmware.com>2009-07-24 18:17:05 +0100
committerKeith Whitwell <keithw@vmware.com>2009-07-24 18:17:05 +0100
commita1dbd7aa159e266592a1e52504680992327ca9e0 (patch)
tree3656902d68d0b46052e9fa0f6ffc92d1efef2a6d /src/gallium/drivers/softpipe/sp_setup.c
parentab9fb5167023a26566b53e98f206dd73a18000f3 (diff)
softpipe: actually pass >1 quad from triangle routine
First attempt
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_setup.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_setup.c186
1 files changed, 89 insertions, 97 deletions
diff --git a/src/gallium/drivers/softpipe/sp_setup.c b/src/gallium/drivers/softpipe/sp_setup.c
index 23dcae89c6..a132911c99 100644
--- a/src/gallium/drivers/softpipe/sp_setup.c
+++ b/src/gallium/drivers/softpipe/sp_setup.c
@@ -62,6 +62,8 @@ struct edge {
};
+#define MAX_QUADS 16
+
/**
* Triangle setup info (derived from draw_stage).
@@ -84,10 +86,14 @@ struct setup_context {
struct edge emaj;
float oneoverarea;
+ int facing;
+
+ struct quad_header quad[MAX_QUADS];
+ struct quad_header *quad_ptrs[MAX_QUADS];
+ unsigned count;
struct tgsi_interp_coef coef[PIPE_MAX_SHADER_INPUTS];
struct tgsi_interp_coef posCoef; /* For Z, W */
- struct quad_header quad;
struct {
int left[2]; /**< [0] = row0, [1] = row1 */
@@ -176,41 +182,6 @@ clip_emit_quad( struct setup_context *setup, struct quad_header *quad )
}
}
-/**
- * Emit a quad (pass to next stage). No clipping is done.
- */
-static INLINE void
-emit_quad( struct setup_context *setup, struct quad_header *quad, uint thread )
-{
- struct softpipe_context *sp = setup->softpipe;
-#if DEBUG_FRAGS
- uint mask = quad->inout.mask;
-#endif
-
-#if DEBUG_FRAGS
- if (mask & 1) setup->numFragsEmitted++;
- if (mask & 2) setup->numFragsEmitted++;
- if (mask & 4) setup->numFragsEmitted++;
- if (mask & 8) setup->numFragsEmitted++;
-#endif
- sp->quad.first->run( sp->quad.first, &quad, 1 );
-#if DEBUG_FRAGS
- mask = quad->inout.mask;
- if (mask & 1) setup->numFragsWritten++;
- if (mask & 2) setup->numFragsWritten++;
- if (mask & 4) setup->numFragsWritten++;
- if (mask & 8) setup->numFragsWritten++;
-#endif
-}
-
-
-#define EMIT_QUAD(setup,x,y,qmask) \
-do { \
- setup->quad.input.x0 = x; \
- setup->quad.input.y0 = y; \
- setup->quad.inout.mask = qmask; \
- emit_quad( setup, &setup->quad, 0 ); \
-} while (0)
/**
@@ -219,7 +190,12 @@ do { \
*/
static INLINE int block( int x )
{
- return x & ~1;
+ return x & ~(2-1);
+}
+
+static INLINE int block_x( int x )
+{
+ return x & ~(16-1);
}
@@ -228,13 +204,15 @@ static INLINE int block( int x )
*/
static void flush_spans( struct setup_context *setup )
{
- const int step = 30;
+ const int step = 16;
const int xleft0 = setup->span.left[0];
const int xleft1 = setup->span.left[1];
const int xright0 = setup->span.right[0];
const int xright1 = setup->span.right[1];
+ struct quad_stage *pipe = setup->softpipe->quad.first;
+
- int minleft = block(MIN2(xleft0, xleft1));
+ int minleft = block_x(MIN2(xleft0, xleft1));
int maxright = MAX2(xright0, xright1);
int x;
@@ -244,7 +222,8 @@ static void flush_spans( struct setup_context *setup )
unsigned skip_right0 = CLAMP(x + step - xright0, 0, step);
unsigned skip_right1 = CLAMP(x + step - xright1, 0, step);
unsigned lx = x;
-
+ unsigned q = 0;
+
unsigned skipmask_left0 = (1U << skip_left0) - 1U;
unsigned skipmask_left1 = (1U << skip_left1) - 1U;
@@ -256,13 +235,22 @@ static void flush_spans( struct setup_context *setup )
unsigned mask0 = ~skipmask_left0 & ~skipmask_right0;
unsigned mask1 = ~skipmask_left1 & ~skipmask_right1;
- while (mask0 | mask1) {
- unsigned quadmask = (mask0 & 3) | ((mask1 & 3) << 2);
- if (quadmask)
- EMIT_QUAD( setup, lx, setup->span.y, quadmask );
- mask0 >>= 2;
- mask1 >>= 2;
- lx += 2;
+ if (mask0 | mask1) {
+ do {
+ unsigned quadmask = (mask0 & 3) | ((mask1 & 3) << 2);
+ if (quadmask) {
+ setup->quad[q].input.x0 = lx;
+ setup->quad[q].input.y0 = setup->span.y;
+ setup->quad[q].inout.mask = quadmask;
+ setup->quad_ptrs[q] = &setup->quad[q];
+ q++;
+ }
+ mask0 >>= 2;
+ mask1 >>= 2;
+ lx += 2;
+ } while (mask0 | mask1);
+
+ pipe->run( pipe, setup->quad_ptrs, q );
}
}
@@ -281,7 +269,7 @@ static void print_vertex(const struct setup_context *setup,
{
int i;
debug_printf(" Vertex: (%p)\n", v);
- for (i = 0; i < setup->quad.nr_attrs; i++) {
+ for (i = 0; i < setup->quad[0].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])) {
@@ -386,7 +374,9 @@ static boolean setup_sort_vertices( struct setup_context *setup,
* - the GLSL gl_FrontFacing fragment attribute (bool)
* - two-sided stencil test
*/
- setup->quad.input.facing = (det > 0.0) ^ (setup->softpipe->rasterizer->front_winding == PIPE_WINDING_CW);
+ setup->facing =
+ ((det > 0.0) ^
+ (setup->softpipe->rasterizer->front_winding == PIPE_WINDING_CW));
return TRUE;
}
@@ -573,7 +563,7 @@ static void setup_tri_coefficients( struct setup_context *setup )
}
if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
- setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing;
+ setup->coef[fragSlot].a0[0] = 1.0f - setup->facing;
setup->coef[fragSlot].dadx[0] = 0.0;
setup->coef[fragSlot].dady[0] = 0.0;
}
@@ -741,7 +731,7 @@ void setup_tri( struct setup_context *setup,
setup_tri_coefficients( setup );
setup_tri_edges( setup );
- setup->quad.input.prim = QUAD_PRIM_TRI;
+ assert(setup->softpipe->reduced_prim == PIPE_PRIM_TRIANGLES);
setup->span.y = 0;
setup->span.right[0] = 0;
@@ -881,7 +871,7 @@ setup_line_coefficients(struct setup_context *setup,
}
if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
- setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing;
+ setup->coef[fragSlot].a0[0] = 1.0f - setup->facing;
setup->coef[fragSlot].dadx[0] = 0.0;
setup->coef[fragSlot].dady[0] = 0.0;
}
@@ -902,20 +892,20 @@ plot(struct setup_context *setup, int x, int y)
const int quadY = y - iy;
const int mask = (1 << ix) << (2 * iy);
- if (quadX != setup->quad.input.x0 ||
- quadY != setup->quad.input.y0)
+ if (quadX != setup->quad[0].input.x0 ||
+ quadY != setup->quad[0].input.y0)
{
/* flush prev quad, start new quad */
- if (setup->quad.input.x0 != -1)
- clip_emit_quad( setup, &setup->quad );
+ if (setup->quad[0].input.x0 != -1)
+ clip_emit_quad( setup, &setup->quad[0] );
- setup->quad.input.x0 = quadX;
- setup->quad.input.y0 = quadY;
- setup->quad.inout.mask = 0x0;
+ setup->quad[0].input.x0 = quadX;
+ setup->quad[0].input.y0 = quadY;
+ setup->quad[0].inout.mask = 0x0;
}
- setup->quad.inout.mask |= mask;
+ setup->quad[0].inout.mask |= mask;
}
@@ -975,17 +965,18 @@ setup_line(struct setup_context *setup,
assert(dx >= 0);
assert(dy >= 0);
+ assert(setup->softpipe->reduced_prim == PIPE_PRIM_LINES);
+
+ setup->quad[0].input.x0 = setup->quad[0].input.y0 = -1;
+ setup->quad[0].inout.mask = 0x0;
- setup->quad.input.x0 = setup->quad.input.y0 = -1;
- setup->quad.inout.mask = 0x0;
- 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.
*/
- setup->quad.input.coverage[0] =
- setup->quad.input.coverage[1] =
- setup->quad.input.coverage[2] =
- setup->quad.input.coverage[3] = 1.0;
+ setup->quad[0].input.coverage[0] =
+ setup->quad[0].input.coverage[1] =
+ setup->quad[0].input.coverage[2] =
+ setup->quad[0].input.coverage[3] = 1.0;
if (dx > dy) {
/*** X-major line ***/
@@ -1029,8 +1020,8 @@ setup_line(struct setup_context *setup,
}
/* draw final quad */
- if (setup->quad.inout.mask) {
- clip_emit_quad( setup, &setup->quad );
+ if (setup->quad[0].inout.mask) {
+ clip_emit_quad( setup, &setup->quad[0] );
}
}
@@ -1078,6 +1069,8 @@ setup_point( struct setup_context *setup,
if (softpipe->no_rast)
return;
+ assert(setup->softpipe->reduced_prim == PIPE_PRIM_POINTS);
+
/* For points, all interpolants are constant-valued.
* However, for point sprites, we'll need to setup texcoords appropriately.
* XXX: which coefficients are the texcoords???
@@ -1124,22 +1117,21 @@ setup_point( struct setup_context *setup,
}
if (spfs->info.input_semantic_name[fragSlot] == TGSI_SEMANTIC_FACE) {
- setup->coef[fragSlot].a0[0] = 1.0f - setup->quad.input.facing;
+ setup->coef[fragSlot].a0[0] = 1.0f - setup->facing;
setup->coef[fragSlot].dadx[0] = 0.0;
setup->coef[fragSlot].dady[0] = 0.0;
}
}
- setup->quad.input.prim = QUAD_PRIM_POINT;
if (halfSize <= 0.5 && !round) {
/* special case for 1-pixel points */
const int ix = ((int) x) & 1;
const int iy = ((int) y) & 1;
- setup->quad.input.x0 = (int) x - ix;
- setup->quad.input.y0 = (int) y - iy;
- setup->quad.inout.mask = (1 << ix) << (2 * iy);
- clip_emit_quad( setup, &setup->quad );
+ setup->quad[0].input.x0 = (int) x - ix;
+ setup->quad[0].input.y0 = (int) y - iy;
+ setup->quad[0].inout.mask = (1 << ix) << (2 * iy);
+ clip_emit_quad( setup, &setup->quad[0] );
}
else {
if (round) {
@@ -1159,15 +1151,15 @@ setup_point( struct setup_context *setup,
for (ix = ixmin; ix <= ixmax; ix += 2) {
float dx, dy, dist2, cover;
- setup->quad.inout.mask = 0x0;
+ setup->quad[0].inout.mask = 0x0;
dx = (ix + 0.5f) - x;
dy = (iy + 0.5f) - y;
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
- setup->quad.input.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f);
- setup->quad.inout.mask |= MASK_TOP_LEFT;
+ setup->quad[0].input.coverage[QUAD_TOP_LEFT] = MIN2(cover, 1.0f);
+ setup->quad[0].inout.mask |= MASK_TOP_LEFT;
}
dx = (ix + 1.5f) - x;
@@ -1175,8 +1167,8 @@ setup_point( struct setup_context *setup,
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
- setup->quad.input.coverage[QUAD_TOP_RIGHT] = MIN2(cover, 1.0f);
- setup->quad.inout.mask |= MASK_TOP_RIGHT;
+ setup->quad[0].input.coverage[QUAD_TOP_RIGHT] = MIN2(cover, 1.0f);
+ setup->quad[0].inout.mask |= MASK_TOP_RIGHT;
}
dx = (ix + 0.5f) - x;
@@ -1184,8 +1176,8 @@ setup_point( struct setup_context *setup,
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
- setup->quad.input.coverage[QUAD_BOTTOM_LEFT] = MIN2(cover, 1.0f);
- setup->quad.inout.mask |= MASK_BOTTOM_LEFT;
+ setup->quad[0].input.coverage[QUAD_BOTTOM_LEFT] = MIN2(cover, 1.0f);
+ setup->quad[0].inout.mask |= MASK_BOTTOM_LEFT;
}
dx = (ix + 1.5f) - x;
@@ -1193,14 +1185,14 @@ setup_point( struct setup_context *setup,
dist2 = dx * dx + dy * dy;
if (dist2 <= rmax2) {
cover = 1.0F - (dist2 - rmin2) * cscale;
- setup->quad.input.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f);
- setup->quad.inout.mask |= MASK_BOTTOM_RIGHT;
+ setup->quad[0].input.coverage[QUAD_BOTTOM_RIGHT] = MIN2(cover, 1.0f);
+ setup->quad[0].inout.mask |= MASK_BOTTOM_RIGHT;
}
- if (setup->quad.inout.mask) {
- setup->quad.input.x0 = ix;
- setup->quad.input.y0 = iy;
- clip_emit_quad( setup, &setup->quad );
+ if (setup->quad[0].inout.mask) {
+ setup->quad[0].input.x0 = ix;
+ setup->quad[0].input.y0 = iy;
+ clip_emit_quad( setup, &setup->quad[0] );
}
}
}
@@ -1244,10 +1236,10 @@ setup_point( struct setup_context *setup,
mask &= (MASK_BOTTOM_LEFT | MASK_TOP_LEFT);
}
- setup->quad.inout.mask = mask;
- setup->quad.input.x0 = ix;
- setup->quad.input.y0 = iy;
- clip_emit_quad( setup, &setup->quad );
+ setup->quad[0].inout.mask = mask;
+ setup->quad[0].input.x0 = ix;
+ setup->quad[0].input.y0 = iy;
+ clip_emit_quad( setup, &setup->quad[0] );
}
}
}
@@ -1262,9 +1254,6 @@ void setup_prepare( struct setup_context *setup )
softpipe_update_derived(sp);
}
- /* Note: nr_attrs is only used for debugging (vertex printing) */
- setup->quad.nr_attrs = draw_num_vs_outputs(sp->draw);
-
sp->quad.first->begin( sp->quad.first );
if (sp->reduced_api_prim == PIPE_PRIM_TRIANGLES &&
@@ -1293,11 +1282,14 @@ void setup_destroy_context( struct setup_context *setup )
struct setup_context *setup_create_context( struct softpipe_context *softpipe )
{
struct setup_context *setup = CALLOC_STRUCT(setup_context);
+ unsigned i;
setup->softpipe = softpipe;
- setup->quad.coef = setup->coef;
- setup->quad.posCoef = &setup->posCoef;
+ for (i = 0; i < MAX_QUADS; i++) {
+ setup->quad[i].coef = setup->coef;
+ setup->quad[i].posCoef = &setup->posCoef;
+ }
setup->span.left[0] = 1000000; /* greater than right[0] */
setup->span.left[1] = 1000000; /* greater than right[1] */