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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_vcache.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_pt_vcache.c611
1 files changed, 0 insertions, 611 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c
deleted file mode 100644
index 993f388dc3..0000000000
--- a/src/gallium/auxiliary/draw/draw_pt_vcache.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
- /*
- * Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
- */
-
-#include "util/u_memory.h"
-#include "util/u_prim.h"
-#include "draw/draw_context.h"
-#include "draw/draw_private.h"
-#include "draw/draw_pt.h"
-
-
-#define CACHE_MAX 256
-#define FETCH_MAX 256
-#define DRAW_MAX (16*1024)
-
-
-struct vcache_frontend {
- struct draw_pt_front_end base;
- struct draw_context *draw;
-
- unsigned in[CACHE_MAX];
- ushort out[CACHE_MAX];
-
- ushort draw_elts[DRAW_MAX];
- unsigned fetch_elts[FETCH_MAX];
-
- unsigned draw_count;
- unsigned fetch_count;
- unsigned fetch_max;
-
- struct draw_pt_middle_end *middle;
-
- unsigned input_prim;
- unsigned output_prim;
-
- unsigned middle_prim;
- unsigned opt;
-};
-
-
-static INLINE void
-vcache_flush( struct vcache_frontend *vcache )
-{
- if (vcache->middle_prim != vcache->output_prim) {
- vcache->middle_prim = vcache->output_prim;
- vcache->middle->prepare( vcache->middle,
- vcache->middle_prim,
- vcache->opt,
- &vcache->fetch_max );
- }
-
- if (vcache->draw_count) {
- vcache->middle->run( vcache->middle,
- vcache->fetch_elts,
- vcache->fetch_count,
- vcache->draw_elts,
- vcache->draw_count,
- 0x0 );
- }
-
- memset(vcache->in, ~0, sizeof(vcache->in));
- vcache->fetch_count = 0;
- vcache->draw_count = 0;
-}
-
-
-static INLINE void
-vcache_check_flush( struct vcache_frontend *vcache )
-{
- if (vcache->draw_count + 6 >= DRAW_MAX ||
- vcache->fetch_count + 6 >= FETCH_MAX) {
- vcache_flush( vcache );
- }
-}
-
-
-static INLINE void
-vcache_elt( struct vcache_frontend *vcache,
- unsigned felt,
- ushort flags )
-{
- unsigned idx = felt % CACHE_MAX;
-
- if (vcache->in[idx] != felt) {
- assert(vcache->fetch_count < FETCH_MAX);
-
- vcache->in[idx] = felt;
- vcache->out[idx] = (ushort)vcache->fetch_count;
- vcache->fetch_elts[vcache->fetch_count++] = felt;
- }
-
- vcache->draw_elts[vcache->draw_count++] = vcache->out[idx] | flags;
-}
-
-
-
-static INLINE void
-vcache_triangle( struct vcache_frontend *vcache,
- unsigned i0,
- unsigned i1,
- unsigned i2 )
-{
- vcache_elt(vcache, i0, 0);
- vcache_elt(vcache, i1, 0);
- vcache_elt(vcache, i2, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_triangle_flags( struct vcache_frontend *vcache,
- ushort flags,
- unsigned i0,
- unsigned i1,
- unsigned i2 )
-{
- vcache_elt(vcache, i0, flags);
- vcache_elt(vcache, i1, 0);
- vcache_elt(vcache, i2, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_line( struct vcache_frontend *vcache,
- unsigned i0,
- unsigned i1 )
-{
- vcache_elt(vcache, i0, 0);
- vcache_elt(vcache, i1, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_line_flags( struct vcache_frontend *vcache,
- ushort flags,
- unsigned i0,
- unsigned i1 )
-{
- vcache_elt(vcache, i0, flags);
- vcache_elt(vcache, i1, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_point( struct vcache_frontend *vcache,
- unsigned i0 )
-{
- vcache_elt(vcache, i0, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_line_adj_flags( struct vcache_frontend *vcache,
- unsigned flags,
- unsigned a0, unsigned i0, unsigned i1, unsigned a1 )
-{
- vcache_elt(vcache, a0, 0);
- vcache_elt(vcache, i0, flags);
- vcache_elt(vcache, i1, 0);
- vcache_elt(vcache, a1, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_line_adj( struct vcache_frontend *vcache,
- unsigned a0, unsigned i0, unsigned i1, unsigned a1 )
-{
- vcache_elt(vcache, a0, 0);
- vcache_elt(vcache, i0, 0);
- vcache_elt(vcache, i1, 0);
- vcache_elt(vcache, a1, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_triangle_adj_flags( struct vcache_frontend *vcache,
- unsigned flags,
- unsigned i0, unsigned a0,
- unsigned i1, unsigned a1,
- unsigned i2, unsigned a2 )
-{
- vcache_elt(vcache, i0, flags);
- vcache_elt(vcache, a0, 0);
- vcache_elt(vcache, i1, 0);
- vcache_elt(vcache, a1, 0);
- vcache_elt(vcache, i2, 0);
- vcache_elt(vcache, a2, 0);
- vcache_check_flush(vcache);
-}
-
-
-static INLINE void
-vcache_triangle_adj( struct vcache_frontend *vcache,
- unsigned i0, unsigned a0,
- unsigned i1, unsigned a1,
- unsigned i2, unsigned a2 )
-{
- vcache_elt(vcache, i0, 0);
- vcache_elt(vcache, a0, 0);
- vcache_elt(vcache, i1, 0);
- vcache_elt(vcache, a1, 0);
- vcache_elt(vcache, i2, 0);
- vcache_elt(vcache, a2, 0);
- vcache_check_flush(vcache);
-}
-
-
-/* At least for now, we're back to using a template include file for
- * this. The two paths aren't too different though - it may be
- * possible to reunify them.
- */
-#define TRIANGLE(flags,i0,i1,i2) vcache_triangle_flags(vcache,flags,i0,i1,i2)
-#define LINE(flags,i0,i1) vcache_line_flags(vcache,flags,i0,i1)
-#define POINT(i0) vcache_point(vcache,i0)
-#define LINE_ADJ(flags,a0,i0,i1,a1) \
- vcache_line_adj_flags(vcache,flags,a0,i0,i1,a1)
-#define TRIANGLE_ADJ(flags,i0,a0,i1,a1,i2,a2) \
- vcache_triangle_adj_flags(vcache,flags,i0,a0,i1,a1,i2,a2)
-#define FUNC vcache_run_extras
-#include "draw_pt_vcache_tmp.h"
-
-#define TRIANGLE(flags,i0,i1,i2) vcache_triangle(vcache,i0,i1,i2)
-#define LINE(flags,i0,i1) vcache_line(vcache,i0,i1)
-#define POINT(i0) vcache_point(vcache,i0)
-#define LINE_ADJ(flags,a0,i0,i1,a1) \
- vcache_line_adj(vcache,a0,i0,i1,a1)
-#define TRIANGLE_ADJ(flags,i0,a0,i1,a1,i2,a2) \
- vcache_triangle_adj(vcache,i0,a0,i1,a1,i2,a2)
-#define FUNC vcache_run
-#include "draw_pt_vcache_tmp.h"
-
-static INLINE void
-rebase_uint_elts( const unsigned *src,
- unsigned count,
- int delta,
- ushort *dest )
-{
- unsigned i;
- for (i = 0; i < count; i++)
- dest[i] = (ushort)(src[i] + delta);
-}
-
-
-static INLINE void
-rebase_ushort_elts( const ushort *src,
- unsigned count,
- int delta,
- ushort *dest )
-{
- unsigned i;
- for (i = 0; i < count; i++)
- dest[i] = (ushort)(src[i] + delta);
-}
-
-
-static INLINE void
-rebase_ubyte_elts( const ubyte *src,
- unsigned count,
- int delta,
- ushort *dest )
-{
- unsigned i;
- for (i = 0; i < count; i++)
- dest[i] = (ushort)(src[i] + delta);
-}
-
-
-static INLINE void
-translate_uint_elts( const unsigned *src,
- unsigned count,
- ushort *dest )
-{
- unsigned i;
- for (i = 0; i < count; i++)
- dest[i] = (ushort)(src[i]);
-}
-
-
-static INLINE void
-translate_ushort_elts( const ushort *src,
- unsigned count,
- ushort *dest )
-{
- unsigned i;
- for (i = 0; i < count; i++)
- dest[i] = (ushort)(src[i]);
-}
-
-
-static INLINE void
-translate_ubyte_elts( const ubyte *src,
- unsigned count,
- ushort *dest )
-{
- unsigned i;
- for (i = 0; i < count; i++)
- dest[i] = (ushort)(src[i]);
-}
-
-
-
-
-#if 0
-static INLINE enum pipe_format
-format_from_get_elt( pt_elt_func get_elt )
-{
- switch (draw->pt.user.eltSize) {
- case 1: return PIPE_FORMAT_R8_UNORM;
- case 2: return PIPE_FORMAT_R16_UNORM;
- case 4: return PIPE_FORMAT_R32_UNORM;
- default: return PIPE_FORMAT_NONE;
- }
-}
-#endif
-
-
-/**
- * Check if any vertex attributes use instance divisors.
- * Note that instance divisors complicate vertex fetching so we need
- * to take the vcache path when they're in use.
- */
-static boolean
-any_instance_divisors(const struct draw_context *draw)
-{
- uint i;
-
- for (i = 0; i < draw->pt.nr_vertex_elements; i++) {
- uint div = draw->pt.vertex_element[i].instance_divisor;
- if (div)
- return TRUE;
- }
- return FALSE;
-}
-
-
-static INLINE void
-vcache_check_run( struct draw_pt_front_end *frontend,
- unsigned draw_start,
- unsigned draw_count )
-{
- struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
- struct draw_context *draw = vcache->draw;
- const unsigned min_index = draw->pt.user.min_index;
- const unsigned max_index = draw->pt.user.max_index;
- const unsigned index_size = draw->pt.user.eltSize;
- const int elt_bias = draw->pt.user.eltBias;
- unsigned fetch_count;
- const ushort *transformed_elts;
- ushort *storage = NULL;
- boolean ok = FALSE;
- const void *elts = draw_pt_elt_ptr(draw, draw_start);
-
- /* debug: verify indexes are in range [min_index, max_index] */
- if (0) {
- unsigned i;
- for (i = 0; i < draw_count; i++) {
- if (index_size == 1) {
- assert( ((const ubyte *) elts)[i] >= min_index);
- assert( ((const ubyte *) elts)[i] <= max_index);
- }
- else if (index_size == 2) {
- assert( ((const ushort *) elts)[i] >= min_index);
- assert( ((const ushort *) elts)[i] <= max_index);
- }
- else {
- assert(index_size == 4);
- assert( ((const uint *) elts)[i] >= min_index);
- assert( ((const uint *) elts)[i] <= max_index);
- }
- }
- }
-
- /* Note: max_index is frequently 0xffffffff so we have to be sure
- * that any arithmetic involving max_index doesn't overflow!
- */
- if (max_index >= (unsigned) DRAW_PIPE_MAX_VERTICES)
- goto fail;
-
- if (any_instance_divisors(draw))
- goto fail;
-
- fetch_count = max_index + 1 - min_index;
-
- if (0)
- debug_printf("fetch_count %d fetch_max %d draw_count %d\n", fetch_count,
- vcache->fetch_max,
- draw_count);
-
- if (elt_bias + max_index >= DRAW_PIPE_MAX_VERTICES ||
- fetch_count >= UNDEFINED_VERTEX_ID ||
- fetch_count > draw_count) {
- if (0) debug_printf("fail\n");
- goto fail;
- }
-
- if (vcache->middle_prim != vcache->input_prim) {
- vcache->middle_prim = vcache->input_prim;
- vcache->middle->prepare( vcache->middle,
- vcache->middle_prim,
- vcache->opt,
- &vcache->fetch_max );
- }
-
- assert((elt_bias >= 0 && min_index + elt_bias >= min_index) ||
- (elt_bias < 0 && min_index + elt_bias < min_index));
-
- if (min_index == 0 &&
- index_size == 2) {
- transformed_elts = (const ushort *)elts;
- }
- else {
- storage = MALLOC( draw_count * sizeof(ushort) );
- if (!storage)
- goto fail;
-
- if (min_index == 0) {
- switch(index_size) {
- case 1:
- translate_ubyte_elts( (const ubyte *)elts,
- draw_count,
- storage );
- break;
-
- case 2:
- translate_ushort_elts( (const ushort *)elts,
- draw_count,
- storage );
- break;
-
- case 4:
- translate_uint_elts( (const uint *)elts,
- draw_count,
- storage );
- break;
-
- default:
- assert(0);
- FREE(storage);
- return;
- }
- }
- else {
- switch(index_size) {
- case 1:
- rebase_ubyte_elts( (const ubyte *)elts,
- draw_count,
- 0 - (int)min_index,
- storage );
- break;
-
- case 2:
- rebase_ushort_elts( (const ushort *)elts,
- draw_count,
- 0 - (int)min_index,
- storage );
- break;
-
- case 4:
- rebase_uint_elts( (const uint *)elts,
- draw_count,
- 0 - (int)min_index,
- storage );
- break;
-
- default:
- assert(0);
- FREE(storage);
- return;
- }
- }
- transformed_elts = storage;
- }
-
- if (fetch_count < UNDEFINED_VERTEX_ID)
- ok = vcache->middle->run_linear_elts( vcache->middle,
- min_index + elt_bias, /* start */
- fetch_count,
- transformed_elts,
- draw_count, 0x0 );
-
- FREE(storage);
-
- if (ok)
- return;
-
- debug_printf("failed to execute atomic draw elts for %d/%d, splitting up\n",
- fetch_count, draw_count);
-
-fail:
- vcache_run( frontend, draw_start, draw_count );
-}
-
-
-
-
-static void
-vcache_prepare( struct draw_pt_front_end *frontend,
- unsigned in_prim,
- struct draw_pt_middle_end *middle,
- unsigned opt )
-{
- struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
-
- if (opt & PT_PIPELINE) {
- vcache->base.run = vcache_run_extras;
- }
- else {
- vcache->base.run = vcache_check_run;
- }
-
- /* VCache will always emit the reduced version of its input
- * primitive, ie STRIP/FANS become TRIS, etc.
- *
- * This is not to be confused with what the GS might be up to,
- * which is a separate issue.
- */
- vcache->input_prim = in_prim;
- switch (in_prim) {
- case PIPE_PRIM_LINES_ADJACENCY:
- case PIPE_PRIM_LINE_STRIP_ADJACENCY:
- vcache->output_prim = PIPE_PRIM_LINES_ADJACENCY;
- break;
- case PIPE_PRIM_TRIANGLES_ADJACENCY:
- case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
- vcache->output_prim = PIPE_PRIM_TRIANGLES_ADJACENCY;
- break;
- default:
- vcache->output_prim = u_reduced_prim(in_prim);
- }
-
- vcache->middle = middle;
- vcache->opt = opt;
-
- /* Have to run prepare here, but try and guess a good prim for
- * doing so:
- */
- vcache->middle_prim = (opt & PT_PIPELINE)
- ? vcache->output_prim : vcache->input_prim;
-
- middle->prepare( middle,
- vcache->middle_prim,
- opt, &vcache->fetch_max );
-}
-
-
-static void
-vcache_finish( struct draw_pt_front_end *frontend )
-{
- struct vcache_frontend *vcache = (struct vcache_frontend *)frontend;
- vcache->middle->finish( vcache->middle );
- vcache->middle = NULL;
-}
-
-
-static void
-vcache_destroy( struct draw_pt_front_end *frontend )
-{
- FREE(frontend);
-}
-
-
-struct draw_pt_front_end *draw_pt_vcache( struct draw_context *draw )
-{
- struct vcache_frontend *vcache = CALLOC_STRUCT( vcache_frontend );
- if (vcache == NULL)
- return NULL;
-
- vcache->base.prepare = vcache_prepare;
- vcache->base.run = NULL;
- vcache->base.finish = vcache_finish;
- vcache->base.destroy = vcache_destroy;
- vcache->draw = draw;
-
- memset(vcache->in, ~0, sizeof(vcache->in));
-
- return &vcache->base;
-}
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