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authorBrian <brian.paul@tungstengraphics.com>2007-10-19 10:10:08 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-10-19 10:10:08 -0600
commit2b2f761e2b0dc160793be2f48e811d2d455e1e22 (patch)
tree390bd4395ff8f92a84c586142e3703bf32fad006 /src
parent46c3cf18315345effd15a69987294c1195843e2a (diff)
Initial implementation of surface tile caching.
Instead of using read/write_quad() functions, do framebuffer accesses via get/put_tile(). A cache of tiles is used to avoid frequent get/put() calls. Only implemented for color buffers right now.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/pipe/softpipe/Makefile1
-rw-r--r--src/mesa/pipe/softpipe/sp_clear.c5
-rw-r--r--src/mesa/pipe/softpipe/sp_flush.c12
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_blend.c33
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_colormask.c18
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_depth_test.c20
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_output.c101
-rw-r--r--src/mesa/pipe/softpipe/sp_surface.c8
-rw-r--r--src/mesa/pipe/softpipe/sp_surface.h3
9 files changed, 129 insertions, 72 deletions
diff --git a/src/mesa/pipe/softpipe/Makefile b/src/mesa/pipe/softpipe/Makefile
index 63eb6b5761..2cbd9e5b51 100644
--- a/src/mesa/pipe/softpipe/Makefile
+++ b/src/mesa/pipe/softpipe/Makefile
@@ -35,6 +35,7 @@ DRIVER_SOURCES = \
sp_state_vertex.c \
sp_tex_layout.c \
sp_tex_sample.c \
+ sp_tile_cache.c \
sp_surface.c
C_SOURCES = \
diff --git a/src/mesa/pipe/softpipe/sp_clear.c b/src/mesa/pipe/softpipe/sp_clear.c
index 539da1d58b..46370b4ed9 100644
--- a/src/mesa/pipe/softpipe/sp_clear.c
+++ b/src/mesa/pipe/softpipe/sp_clear.c
@@ -35,6 +35,7 @@
#include "sp_context.h"
#include "sp_surface.h"
#include "sp_state.h"
+#include "sp_tile_cache.h"
/**
@@ -46,6 +47,7 @@ softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
unsigned clearValue)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
+ struct softpipe_surface *sps = softpipe_surface(ps);
unsigned x, y, w, h;
softpipe_update_derived(softpipe); /* not needed?? */
@@ -64,5 +66,8 @@ softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
assert(w <= ps->region->pitch);
assert(h <= ps->region->height);
+ /* XXX skip this fill if we're using tile cache */
pipe->region_fill(pipe, ps->region, 0, x, y, w, h, clearValue);
+
+ sp_clear_tile_cache(sps, clearValue);
}
diff --git a/src/mesa/pipe/softpipe/sp_flush.c b/src/mesa/pipe/softpipe/sp_flush.c
index cdf4a53c83..d4eada8228 100644
--- a/src/mesa/pipe/softpipe/sp_flush.c
+++ b/src/mesa/pipe/softpipe/sp_flush.c
@@ -33,8 +33,11 @@
#include "pipe/p_defines.h"
#include "sp_flush.h"
#include "sp_context.h"
+#include "sp_surface.h"
+#include "sp_tile_cache.h"
#include "sp_winsys.h"
+
/* There will be actual work to do here. In future we may want a
* fence-like interface instead of finish, and perhaps flush will take
* flags to indicate what type of flush is required.
@@ -43,9 +46,18 @@ void
softpipe_flush( struct pipe_context *pipe,
unsigned flags )
{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+ uint i;
+
/* - flush the quad pipeline
* - flush the texture cache
* - flush the render cache
*/
+
+ for (i = 0; i < softpipe->framebuffer.num_cbufs; i++) {
+ struct softpipe_surface *sps = softpipe_surface(softpipe->framebuffer.cbufs[i]);
+ if (sps)
+ sp_flush_tile_cache(sps);
+ }
}
diff --git a/src/mesa/pipe/softpipe/sp_quad_blend.c b/src/mesa/pipe/softpipe/sp_quad_blend.c
index 3af5ab5b29..43294e4cd4 100644
--- a/src/mesa/pipe/softpipe/sp_quad_blend.c
+++ b/src/mesa/pipe/softpipe/sp_quad_blend.c
@@ -35,6 +35,7 @@
#include "sp_context.h"
#include "sp_headers.h"
#include "sp_surface.h"
+#include "sp_tile_cache.h"
#include "sp_quad.h"
@@ -106,10 +107,19 @@ logicop_quad(struct quad_stage *qs, struct quad_header *quad)
uint *src4 = (uint *) src;
uint *dst4 = (uint *) dst;
uint *res4 = (uint *) res;
- uint j;
+ struct softpipe_cached_tile *
+ tile = sp_get_cached_tile(sps, quad->x0, quad->y0);
+ uint i, j;
+
+ /* get/swizzle dest colors */
+ for (j = 0; j < QUAD_SIZE; j++) {
+ int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
+ int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
+ for (i = 0; i < 4; i++) {
+ dest[i][j] = tile->data.color[y][x][i];
+ }
+ }
- /* get colors from framebuffer */
- sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
/* convert to ubyte */
for (j = 0; j < 4; j++) { /* loop over R,G,B,A channels */
UNCLAMPED_FLOAT_TO_UBYTE(dst[j][0], dest[j][0]); /* P0 */
@@ -209,19 +219,28 @@ logicop_quad(struct quad_stage *qs, struct quad_header *quad)
static void
blend_quad(struct quad_stage *qs, struct quad_header *quad)
{
- static const float zero[4] = { 0, 0, 0, 0 };
- static const float one[4] = { 1, 1, 1, 1 };
struct softpipe_context *softpipe = qs->softpipe;
struct softpipe_surface *sps = softpipe_surface(softpipe->cbuf);
+ static const float zero[4] = { 0, 0, 0, 0 };
+ static const float one[4] = { 1, 1, 1, 1 };
float source[4][QUAD_SIZE], dest[4][QUAD_SIZE];
+ struct softpipe_cached_tile *
+ tile = sp_get_cached_tile(sps, quad->x0, quad->y0);
+ uint i, j;
if (softpipe->blend->logicop_enable) {
logicop_quad(qs, quad);
return;
}
- /* get colors from framebuffer */
- sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
+ /* get/swizzle dest colors */
+ for (j = 0; j < QUAD_SIZE; j++) {
+ int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
+ int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
+ for (i = 0; i < 4; i++) {
+ dest[i][j] = tile->data.color[y][x][i];
+ }
+ }
/*
* Compute src/first term RGB
diff --git a/src/mesa/pipe/softpipe/sp_quad_colormask.c b/src/mesa/pipe/softpipe/sp_quad_colormask.c
index c3e110532a..aa69f53580 100644
--- a/src/mesa/pipe/softpipe/sp_quad_colormask.c
+++ b/src/mesa/pipe/softpipe/sp_quad_colormask.c
@@ -36,17 +36,31 @@
#include "sp_headers.h"
#include "sp_surface.h"
#include "sp_quad.h"
+#include "sp_tile_cache.h"
+/**
+ * XXX colormask could be rolled into blending...
+ */
static void
colormask_quad(struct quad_stage *qs, struct quad_header *quad)
{
struct softpipe_context *softpipe = qs->softpipe;
struct softpipe_surface *sps = softpipe_surface(softpipe->cbuf);
float dest[4][QUAD_SIZE];
-
- sps->read_quad_f_swz(sps, quad->x0, quad->y0, dest);
+ struct softpipe_cached_tile *
+ tile = sp_get_cached_tile(sps, quad->x0, quad->y0);
+ uint i, j;
+
+ /* get/swizzle dest colors */
+ for (j = 0; j < QUAD_SIZE; j++) {
+ int x = (quad->x0 & (TILE_SIZE-1)) + (j & 1);
+ int y = (quad->y0 & (TILE_SIZE-1)) + (j >> 1);
+ for (i = 0; i < 4; i++) {
+ dest[i][j] = tile->data.color[y][x][i];
+ }
+ }
/* R */
if (!(softpipe->blend->colormask & PIPE_MASK_R))
diff --git a/src/mesa/pipe/softpipe/sp_quad_depth_test.c b/src/mesa/pipe/softpipe/sp_quad_depth_test.c
index ff1d84a02d..efd08b981c 100644
--- a/src/mesa/pipe/softpipe/sp_quad_depth_test.c
+++ b/src/mesa/pipe/softpipe/sp_quad_depth_test.c
@@ -32,6 +32,7 @@
#include "sp_headers.h"
#include "sp_surface.h"
#include "sp_quad.h"
+#include "sp_tile_cache.h"
/**
@@ -48,6 +49,9 @@ sp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
unsigned zmask = 0;
unsigned j;
float scale;
+#if 0
+ struct cached_tile *tile = sp_get_cached_tile(softpipe, quad->x0, quad->y0);
+#endif
assert(sps); /* shouldn't get here if there's no zbuffer */
@@ -74,8 +78,16 @@ sp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
qzzzz[j] = (unsigned) (quad->outputs.depth[j] * scale);
}
+#if 0
+ for (j = 0; j < 4; j++) {
+ int x = quad->x0 % TILE_SIZE + (j & 1);
+ int y = quad->y0 % TILE_SIZE + (j >> 1);
+ bzzzz[j] = tile->depth[y][x];
+ }
+#else
/* get zquad from zbuffer */
sps->read_quad_z(sps, quad->x0, quad->y0, bzzzz);
+#endif
switch (softpipe->depth_stencil->depth.func) {
case PIPE_FUNC_NEVER:
@@ -139,8 +151,16 @@ sp_depth_test_quad(struct quad_stage *qs, struct quad_header *quad)
}
}
+#if 1
/* write updated zquad to zbuffer */
sps->write_quad_z(sps, quad->x0, quad->y0, bzzzz);
+#else
+ for (j = 0; j < 4; j++) {
+ int x = quad->x0 % TILE_SIZE + (j & 1);
+ int y = quad->y0 % TILE_SIZE + (j >> 1);
+ tile->depth[y][x] = bzzzz[j];
+ }
+#endif
}
}
diff --git a/src/mesa/pipe/softpipe/sp_quad_output.c b/src/mesa/pipe/softpipe/sp_quad_output.c
index 49420c4fe7..01ee06a69c 100644
--- a/src/mesa/pipe/softpipe/sp_quad_output.c
+++ b/src/mesa/pipe/softpipe/sp_quad_output.c
@@ -1,57 +1,36 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * Copyright (C) 1999-2005 Brian Paul All Rights Reserved.
- *
+/**************************************************************************
+ *
+ * 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, sublicense,
- * 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 shall be included
- * in all copies or substantial portions of the Software.
- *
+ * 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
- */
+ * 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.
+ *
+ **************************************************************************/
-/* Vertices are just an array of floats, with all the attributes
- * packed. We currently assume a layout like:
- *
- * attr[0][0..3] - window position
- * attr[1..n][0..3] - remaining attributes.
- *
- * Attributes are assumed to be 4 floats wide but are packed so that
- * all the enabled attributes run contiguously.
- */
#include "pipe/p_util.h"
#include "sp_context.h"
#include "sp_headers.h"
#include "sp_surface.h"
#include "sp_quad.h"
-
-
-static void mask_copy( float (*dest)[4],
- float (*src)[4],
- unsigned mask )
-{
- unsigned i, j;
-
- for (i = 0; i < 4; i++) {
- if (mask & (1<<i)) {
- for (j = 0; j < 4; j++) {
- dest[j][i] = src[j][i];
- }
- }
- }
-}
+#include "sp_tile_cache.h"
/**
@@ -64,20 +43,22 @@ output_quad(struct quad_stage *qs, struct quad_header *quad)
{
struct softpipe_context *softpipe = qs->softpipe;
struct softpipe_surface *sps = softpipe_surface(softpipe->cbuf);
-
- if (quad->mask != MASK_ALL) {
- float tmp[4][QUAD_SIZE];
-
- /* XXX probably add a masked-write function someday */
-
- sps->read_quad_f_swz(sps, quad->x0, quad->y0, tmp);
-
- mask_copy( tmp, quad->outputs.color, quad->mask );
-
- sps->write_quad_f_swz(sps, quad->x0, quad->y0, tmp);
- }
- else if (quad->mask) {
- sps->write_quad_f_swz(sps, quad->x0, quad->y0, quad->outputs.color);
+ struct softpipe_cached_tile *tile
+ = sp_get_cached_tile(sps, quad->x0, quad->y0);
+ /* in-tile pos: */
+ const int itx = quad->x0 % TILE_SIZE;
+ const int ity = quad->y0 % TILE_SIZE;
+ int i, j;
+
+ /* get/swizzle dest colors */
+ for (j = 0; j < QUAD_SIZE; j++) {
+ if (quad->mask & (1 << j)) {
+ int x = itx + (j & 1);
+ int y = ity + (j >> 1);
+ for (i = 0; i < 4; i++) { /* loop over color chans */
+ tile->data.color[y][x][i] = quad->outputs.color[i][j];
+ }
+ }
}
}
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c
index 292676a302..e5b4f249fa 100644
--- a/src/mesa/pipe/softpipe/sp_surface.c
+++ b/src/mesa/pipe/softpipe/sp_surface.c
@@ -25,12 +25,12 @@
*
**************************************************************************/
+#include "pipe/p_defines.h"
+#include "pipe/p_util.h"
#include "sp_context.h"
#include "sp_state.h"
#include "sp_surface.h"
-#include "pipe/p_defines.h"
-#include "pipe/p_util.h"
-
+#include "sp_tile_cache.h"
/**
* Softpipe surface functions.
@@ -871,6 +871,8 @@ s8_write_quad_stencil(struct softpipe_surface *sps,
void
softpipe_init_surface_funcs(struct softpipe_surface *sps)
{
+ sps->tc = sp_create_tile_cache();
+
assert(sps->surface.format);
switch (sps->surface.format) {
diff --git a/src/mesa/pipe/softpipe/sp_surface.h b/src/mesa/pipe/softpipe/sp_surface.h
index 545983f431..431303553f 100644
--- a/src/mesa/pipe/softpipe/sp_surface.h
+++ b/src/mesa/pipe/softpipe/sp_surface.h
@@ -37,6 +37,7 @@
struct pipe_context;
struct softpipe_surface;
struct softpipe_context;
+struct softpipe_tile_cache;
/**
@@ -45,6 +46,8 @@ struct softpipe_context;
struct softpipe_surface {
struct pipe_surface surface;
+ struct softpipe_tile_cache *tc;
+
/**
* Functions for read/writing surface data
*/