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Make shaders operate on a block of memory instead of arrays of vertex_header's

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This commit is contained in:
Zack Rusin 2008-04-12 21:52:46 -04:00 • committed by Keith Whitwell
parent 808f968f3a
commit 3f7a3dd58c
7 changed files with 100 additions and 77 deletions
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10
src/gallium/auxiliary/draw/draw_context.c
View file

@ -86,14 +86,12 @@ struct draw_context *draw_create( void )
/* Statically allocate maximum sized vertices for the cache - could be cleverer...
*/
{
uint i;
const unsigned size = (MAX_VERTEX_SIZE + 0x0f) & ~0x0f;
char *tmp = align_malloc(Elements(draw->vs.queue) * size, 16);
char *tmp = align_malloc(VS_QUEUE_LENGTH * size, 16);
if (!tmp)
goto fail;
for (i = 0; i < Elements(draw->vs.queue); i++)
draw->vs.queue[i].vertex = (struct vertex_header *)(tmp + i * size);
draw->vs.vertex_cache = tmp;
}
draw->shader_queue_flush = draw_vertex_shader_queue_flush;
@ -156,8 +154,8 @@ void draw_destroy( struct draw_context *draw )
tgsi_exec_machine_free_data(&draw->machine);
if (draw->vs.queue[0].vertex)
align_free( draw->vs.queue[0].vertex ); /* Frees all the vertices. */
if (draw->vs.vertex_cache)
align_free( draw->vs.vertex_cache ); /* Frees all the vertices. */
/* Not so fast -- we're just borrowing this at the moment.
*

15
src/gallium/auxiliary/draw/draw_private.h
View file

@ -152,7 +152,7 @@ struct draw_vertex_shader {
struct draw_context *draw,
const unsigned *elts,
unsigned count,
struct vertex_header *vOut[] );
void *out );
void (*delete)( struct draw_vertex_shader * );
@ -321,10 +321,8 @@ struct draw_context
/* Vertex shader queue:
*/
struct {
struct {
unsigned elt; /**< index into the user's vertex arrays */
struct vertex_header *vertex;
} queue[VS_QUEUE_LENGTH];
unsigned elts[VS_QUEUE_LENGTH]; /**< index into the user's vertex arrays */
char *vertex_cache;
unsigned queue_nr;
unsigned post_nr;
} vs;
@ -450,4 +448,11 @@ dot4(const float *a, const float *b)
return result;
}
static INLINE struct vertex_header *
draw_header_from_block(char *block, int num)
{
static const unsigned size = (MAX_VERTEX_SIZE + 0x0f) & ~0x0f;
return (struct vertex_header*)(block + num * size);
}
#endif /* DRAW_PRIVATE_H */

33
src/gallium/auxiliary/draw/draw_vertex_cache.c
View file

@ -71,25 +71,27 @@ static struct vertex_header *get_vertex( struct draw_context *draw,
/* Cache hit?
*/
if (draw->vcache.idx[slot].in == i) {
// _mesa_printf("HIT %d %d\n", slot, i);
/*debug_printf("HIT %d %d\n", slot, i);*/
assert(draw->vcache.idx[slot].out < draw->vs.queue_nr);
return draw->vs.queue[draw->vcache.idx[slot].out].vertex;
return draw_header_from_block(draw->vs.vertex_cache,
draw->vcache.idx[slot].out);
}
/* Otherwise a collision
*/
slot = VCACHE_SIZE + draw->vcache.overflow++;
// _mesa_printf("XXX %d --> %d\n", i, slot);
/*debug_printf("XXX %d --> %d\n", i, slot);*/
}
/* Deal with the cache miss:
*/
{
unsigned out;
struct vertex_header *header;
assert(slot < Elements(draw->vcache.idx));
// _mesa_printf("NEW %d %d\n", slot, i);
/*debug_printf("NEW %d %d\n", slot, i);*/
draw->vcache.idx[slot].in = i;
draw->vcache.idx[slot].out = out = draw->vs.queue_nr++;
draw->vcache.referenced |= (1 << slot);
@ -99,17 +101,19 @@ static struct vertex_header *get_vertex( struct draw_context *draw,
*/
assert(draw->vs.queue_nr < VS_QUEUE_LENGTH);
draw->vs.queue[out].elt = i;
draw->vs.queue[out].vertex->clipmask = 0;
draw->vs.queue[out].vertex->edgeflag = draw_get_edgeflag(draw, i);
draw->vs.queue[out].vertex->pad = 0;
draw->vs.queue[out].vertex->vertex_id = UNDEFINED_VERTEX_ID;
header = draw_header_from_block(draw->vs.vertex_cache, out);
draw->vs.elts[out] = i;
header->clipmask = 0;
header->edgeflag = draw_get_edgeflag(draw, i);
header->pad = 0;
header->vertex_id = UNDEFINED_VERTEX_ID;
/* Need to set the vertex's edge flag here. If we're being called
* by do_ef_triangle(), that function needs edge flag info!
*/
return draw->vs.queue[draw->vcache.idx[slot].out].vertex;
return draw_header_from_block(draw->vs.vertex_cache,
draw->vcache.idx[slot].out);
}
}
@ -142,8 +146,11 @@ void draw_vertex_cache_reset_vertex_ids( struct draw_context *draw )
{
unsigned i;
for (i = 0; i < draw->vs.post_nr; i++)
draw->vs.queue[i].vertex->vertex_id = UNDEFINED_VERTEX_ID;
for (i = 0; i < draw->vs.post_nr; i++) {
struct vertex_header * header =
draw_header_from_block(draw->vs.vertex_cache, i);
header->vertex_id = UNDEFINED_VERTEX_ID;
}
}

7
src/gallium/auxiliary/draw/draw_vertex_shader.c
View file

@ -57,18 +57,17 @@ draw_vertex_shader_queue_flush(struct draw_context *draw)
/* run vertex shader on vertex cache entries, four per invokation */
for (i = 0; i < draw->vs.queue_nr; i += MAX_SHADER_VERTICES) {
struct vertex_header *dests[MAX_SHADER_VERTICES];
unsigned elts[MAX_SHADER_VERTICES];
int j, n = MIN2(MAX_SHADER_VERTICES, draw->vs.queue_nr - i);
struct vertex_header *dests =
draw_header_from_block(draw->vs.vertex_cache, i);
for (j = 0; j < n; j++) {
elts[j] = draw->vs.queue[i + j].elt;
dests[j] = draw->vs.queue[i + j].vertex;
elts[j] = draw->vs.elts[i + j];
}
for ( ; j < MAX_SHADER_VERTICES; j++) {
elts[j] = elts[0];
dests[j] = draw->vs.queue[i + j].vertex;
}
assert(n > 0);

54
src/gallium/auxiliary/draw/draw_vs_exec.c
View file

@ -69,7 +69,7 @@ vs_exec_run( struct draw_vertex_shader *shader,
struct draw_context *draw,
const unsigned *elts,
unsigned count,
struct vertex_header *vOut[] )
void *vOut )
{
struct tgsi_exec_machine *machine = &draw->machine;
unsigned int i, j;
@ -106,6 +106,8 @@ vs_exec_run( struct draw_vertex_shader *shader,
for (j = 0; j < max_vertices; j++) {
unsigned slot;
float x, y, z, w;
struct vertex_header *out =
draw_header_from_block(vOut, i + j);
/* Handle attr[0] (position) specially:
*
@ -113,15 +115,15 @@ vs_exec_run( struct draw_vertex_shader *shader,
* program as a set of DP4 instructions appended to the
* user-provided code.
*/
x = vOut[i + j]->clip[0] = machine->Outputs[0].xyzw[0].f[j];
y = vOut[i + j]->clip[1] = machine->Outputs[0].xyzw[1].f[j];
z = vOut[i + j]->clip[2] = machine->Outputs[0].xyzw[2].f[j];
w = vOut[i + j]->clip[3] = machine->Outputs[0].xyzw[3].f[j];
x = out->clip[0] = machine->Outputs[0].xyzw[0].f[j];
y = out->clip[1] = machine->Outputs[0].xyzw[1].f[j];
z = out->clip[2] = machine->Outputs[0].xyzw[2].f[j];
w = out->clip[3] = machine->Outputs[0].xyzw[3].f[j];
if (!draw->rasterizer->bypass_clipping) {
vOut[i + j]->clipmask = compute_clipmask(vOut[i + j]->clip, draw->plane,
draw->nr_planes);
clipped += vOut[i + j]->clipmask;
out->clipmask = compute_clipmask(out->clip, draw->plane,
draw->nr_planes);
clipped += out->clipmask;
/* divide by w */
w = 1.0f / w;
@ -130,42 +132,42 @@ vs_exec_run( struct draw_vertex_shader *shader,
z *= w;
}
else {
vOut[i + j]->clipmask = 0;
out->clipmask = 0;
}
vOut[i + j]->edgeflag = 1;
out->edgeflag = 1;
if (!draw->identity_viewport) {
/* Viewport mapping */
vOut[i + j]->data[0][0] = x * scale[0] + trans[0];
vOut[i + j]->data[0][1] = y * scale[1] + trans[1];
vOut[i + j]->data[0][2] = z * scale[2] + trans[2];
vOut[i + j]->data[0][3] = w;
out->data[0][0] = x * scale[0] + trans[0];
out->data[0][1] = y * scale[1] + trans[1];
out->data[0][2] = z * scale[2] + trans[2];
out->data[0][3] = w;
}
else {
vOut[i + j]->data[0][0] = x;
vOut[i + j]->data[0][1] = y;
vOut[i + j]->data[0][2] = z;
vOut[i + j]->data[0][3] = w;
out->data[0][0] = x;
out->data[0][1] = y;
out->data[0][2] = z;
out->data[0][3] = w;
}
/* Remaining attributes are packed into sequential post-transform
* vertex attrib slots.
*/
for (slot = 1; slot < draw->num_vs_outputs; slot++) {
vOut[i + j]->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
vOut[i + j]->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
vOut[i + j]->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
vOut[i + j]->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
out->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
out->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
out->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
out->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
}
#if 0 /*DEBUG*/
printf("%d) Post xform vert:\n", i + j);
for (slot = 0; slot < draw->num_vs_outputs; slot++) {
printf("\t%d: %f %f %f %f\n", slot,
vOut[i + j]->data[slot][0],
vOut[i + j]->data[slot][1],
vOut[i + j]->data[slot][2],
vOut[i + j]->data[slot][3]);
out->data[slot][0],
out->data[slot][1],
out->data[slot][2],
out->data[slot][3]);
}
#endif
} /* loop over vertices */

2
src/gallium/auxiliary/draw/draw_vs_llvm.c
View file

@ -72,7 +72,7 @@ vs_llvm_run( struct draw_vertex_shader *base,
struct draw_context *draw,
const unsigned *elts,
unsigned count,
struct vertex_header *vOut[] )
void *vOut )
{
struct draw_llvm_vertex_shader *shader =
(struct draw_llvm_vertex_shader *)base;

56
src/gallium/auxiliary/draw/draw_vs_sse.c
View file

@ -83,7 +83,7 @@ vs_sse_run( struct draw_vertex_shader *base,
struct draw_context *draw,
const unsigned *elts,
unsigned count,
struct vertex_header *vOut[] )
void *vOut )
{
struct draw_sse_vertex_shader *shader = (struct draw_sse_vertex_shader *)base;
struct tgsi_exec_machine *machine = &draw->machine;
@ -135,16 +135,18 @@ vs_sse_run( struct draw_vertex_shader *base,
for (j = 0; j < max_vertices; j++) {
unsigned slot;
float x, y, z, w;
struct vertex_header *out =
draw_header_from_block(vOut, i + j);
x = vOut[i + j]->clip[0] = machine->Outputs[0].xyzw[0].f[j];
y = vOut[i + j]->clip[1] = machine->Outputs[0].xyzw[1].f[j];
z = vOut[i + j]->clip[2] = machine->Outputs[0].xyzw[2].f[j];
w = vOut[i + j]->clip[3] = machine->Outputs[0].xyzw[3].f[j];
x = out->clip[0] = machine->Outputs[0].xyzw[0].f[j];
y = out->clip[1] = machine->Outputs[0].xyzw[1].f[j];
z = out->clip[2] = machine->Outputs[0].xyzw[2].f[j];
w = out->clip[3] = machine->Outputs[0].xyzw[3].f[j];
if (!draw->rasterizer->bypass_clipping) {
vOut[i + j]->clipmask = compute_clipmask(vOut[i + j]->clip, draw->plane,
draw->nr_planes);
clipped += vOut[i + j]->clipmask;
out->clipmask = compute_clipmask(out->clip, draw->plane,
draw->nr_planes);
clipped += out->clipmask;
/* divide by w */
w = 1.0f / w;
@ -153,33 +155,43 @@ vs_sse_run( struct draw_vertex_shader *base,
z *= w;
}
else {
vOut[i + j]->clipmask = 0;
out->clipmask = 0;
}
vOut[j]->edgeflag = 1;
out->edgeflag = 1;
if (!draw->identity_viewport) {
/* Viewport mapping */
vOut[i + j]->data[0][0] = x * scale[0] + trans[0];
vOut[i + j]->data[0][1] = y * scale[1] + trans[1];
vOut[i + j]->data[0][2] = z * scale[2] + trans[2];
vOut[i + j]->data[0][3] = w;
out->data[0][0] = x * scale[0] + trans[0];
out->data[0][1] = y * scale[1] + trans[1];
out->data[0][2] = z * scale[2] + trans[2];
out->data[0][3] = w;
}
else {
vOut[i + j]->data[0][0] = x;
vOut[i + j]->data[0][1] = y;
vOut[i + j]->data[0][2] = z;
vOut[i + j]->data[0][3] = w;
out->data[0][0] = x;
out->data[0][1] = y;
out->data[0][2] = z;
out->data[0][3] = w;
}
/* Remaining attributes are packed into sequential post-transform
* vertex attrib slots.
*/
for (slot = 1; slot < draw->num_vs_outputs; slot++) {
vOut[i + j]->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
vOut[i + j]->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
vOut[i + j]->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
vOut[i + j]->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
out->data[slot][0] = machine->Outputs[slot].xyzw[0].f[j];
out->data[slot][1] = machine->Outputs[slot].xyzw[1].f[j];
out->data[slot][2] = machine->Outputs[slot].xyzw[2].f[j];
out->data[slot][3] = machine->Outputs[slot].xyzw[3].f[j];
}
#if 0 /*DEBUG*/
printf("%d) Post xform vert:\n", i + j);
for (slot = 0; slot < draw->num_vs_outputs; slot++) {
printf("\t%d: %f %f %f %f\n", slot,
out->data[slot][0],
out->data[slot][1],
out->data[slot][2],
out->data[slot][3]);
}
#endif
}
}
return clipped != 0;