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-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_aaline.c12
-rw-r--r--src/gallium/auxiliary/draw/draw_pipe_pstipple.c15
-rw-r--r--src/gallium/auxiliary/util/p_tile.c50
-rw-r--r--src/gallium/auxiliary/util/u_blit.c3
-rw-r--r--src/gallium/auxiliary/util/u_gen_mipmap.c21
-rw-r--r--src/gallium/drivers/failover/fo_context.c2
-rw-r--r--src/gallium/drivers/i915simple/i915_screen.c31
-rw-r--r--src/gallium/drivers/i915simple/i915_surface.c23
-rw-r--r--src/gallium/drivers/i915simple/i915_texture.c13
-rw-r--r--src/gallium/drivers/i965simple/brw_surface.c51
-rw-r--r--src/gallium/drivers/i965simple/brw_tex_layout.c2
-rw-r--r--src/gallium/drivers/softpipe/sp_context.c6
-rw-r--r--src/gallium/drivers/softpipe/sp_draw_arrays.c6
-rw-r--r--src/gallium/drivers/softpipe/sp_flush.c35
-rw-r--r--src/gallium/drivers/softpipe/sp_screen.c22
-rw-r--r--src/gallium/drivers/softpipe/sp_surface.c23
-rw-r--r--src/gallium/drivers/softpipe/sp_texture.c87
-rw-r--r--src/gallium/drivers/softpipe/sp_texture.h1
-rw-r--r--src/gallium/drivers/softpipe/sp_tile_cache.c36
-rw-r--r--src/gallium/drivers/softpipe/sp_tile_cache.h2
-rw-r--r--src/gallium/include/pipe/p_context.h6
-rw-r--r--src/gallium/include/pipe/p_inlines.h31
-rw-r--r--src/gallium/include/pipe/p_screen.h17
-rw-r--r--src/gallium/include/pipe/p_state.h4
-rw-r--r--src/gallium/include/pipe/p_util.h3
-rw-r--r--src/gallium/include/pipe/p_winsys.h2
-rw-r--r--src/gallium/winsys/xlib/xm_winsys.c2
27 files changed, 328 insertions, 178 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pipe_aaline.c b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
index f501b2aed41..6dc20f2c90a 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_aaline.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_aaline.c
@@ -415,8 +415,11 @@ aaline_create_texture(struct aaline_stage *aaline)
assert(aaline->texture->width[level] == aaline->texture->height[level]);
- surface = screen->get_tex_surface(screen, aaline->texture, 0, level, 0);
- data = pipe_surface_map(surface);
+ /* This texture is new, no need to flush.
+ */
+ surface = screen->get_tex_surface(screen, aaline->texture, 0, level, 0,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+ data = screen->surface_map(screen, surface, PIPE_BUFFER_USAGE_CPU_WRITE);
if (data == NULL)
return FALSE;
@@ -440,9 +443,8 @@ aaline_create_texture(struct aaline_stage *aaline)
}
/* unmap */
- pipe_surface_unmap(surface);
- pipe_surface_reference(&surface, NULL);
- pipe->texture_update(pipe, aaline->texture, 0, (1 << level));
+ screen->surface_unmap(screen, surface);
+ screen->tex_surface_release(screen, &surface);
}
return TRUE;
}
diff --git a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
index c4de9d2698e..3aa326acc7f 100644
--- a/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
+++ b/src/gallium/auxiliary/draw/draw_pipe_pstipple.c
@@ -376,8 +376,14 @@ pstip_update_texture(struct pstip_stage *pstip)
uint i, j;
ubyte *data;
- surface = screen->get_tex_surface(screen, pstip->texture, 0, 0, 0);
- data = pipe_surface_map(surface);
+ /* XXX: want to avoid flushing just because we use stipple:
+ */
+ pipe->flush( pipe, PIPE_FLUSH_TEXTURE_CACHE, NULL );
+
+ surface = screen->get_tex_surface(screen, pstip->texture, 0, 0, 0,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
+ data = screen->surface_map(screen, surface,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
/*
* Load alpha texture.
@@ -399,9 +405,8 @@ pstip_update_texture(struct pstip_stage *pstip)
}
/* unmap */
- pipe_surface_unmap(surface);
- pipe_surface_reference(&surface, NULL);
- pipe->texture_update(pipe, pstip->texture, 0, 0x1);
+ screen->surface_unmap(screen, surface);
+ screen->tex_surface_release(screen, &surface);
}
diff --git a/src/gallium/auxiliary/util/p_tile.c b/src/gallium/auxiliary/util/p_tile.c
index 63e1cc6013a..5728757d2fb 100644
--- a/src/gallium/auxiliary/util/p_tile.c
+++ b/src/gallium/auxiliary/util/p_tile.c
@@ -50,6 +50,7 @@ pipe_get_tile_raw(struct pipe_context *pipe,
uint x, uint y, uint w, uint h,
void *p, int dst_stride)
{
+ struct pipe_screen *screen = pipe->screen;
const uint cpp = ps->cpp;
const ubyte *pSrc;
const uint src_stride = ps->pitch * cpp;
@@ -63,7 +64,11 @@ pipe_get_tile_raw(struct pipe_context *pipe,
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
- pSrc = (const ubyte *) pipe_surface_map(ps) + (y * ps->pitch + x) * cpp;
+ pSrc = (const ubyte *) screen->surface_map(screen, ps,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ assert(pSrc); /* XXX: proper error handling! */
+
+ pSrc += (y * ps->pitch + x) * cpp;
pDest = (ubyte *) p;
for (i = 0; i < h; i++) {
@@ -72,7 +77,7 @@ pipe_get_tile_raw(struct pipe_context *pipe,
pSrc += src_stride;
}
- pipe_surface_unmap(ps);
+ screen->surface_unmap(screen, ps);
}
@@ -86,6 +91,7 @@ pipe_put_tile_raw(struct pipe_context *pipe,
uint x, uint y, uint w, uint h,
const void *p, int src_stride)
{
+ struct pipe_screen *screen = pipe->screen;
const uint cpp = ps->cpp;
const ubyte *pSrc;
const uint dst_stride = ps->pitch * cpp;
@@ -100,7 +106,11 @@ pipe_put_tile_raw(struct pipe_context *pipe,
return;
pSrc = (const ubyte *) p;
- pDest = (ubyte *) pipe_surface_map(ps) + (y * ps->pitch + x) * cpp;
+
+ pDest = screen->surface_map(screen, ps, PIPE_BUFFER_USAGE_CPU_WRITE);
+ assert(pDest); /* XXX: proper error handling */
+
+ pDest += (y * ps->pitch + x) * cpp;
for (i = 0; i < h; i++) {
memcpy(pDest, pSrc, w * cpp);
@@ -108,7 +118,7 @@ pipe_put_tile_raw(struct pipe_context *pipe,
pSrc += src_stride;
}
- pipe_surface_unmap(ps);
+ screen->surface_unmap(screen, ps);
}
@@ -834,18 +844,26 @@ pipe_get_tile_z(struct pipe_context *pipe,
uint x, uint y, uint w, uint h,
uint *z)
{
+ struct pipe_screen *screen = pipe->screen;
const uint dstStride = w;
+ void *map;
uint *pDest = z;
uint i, j;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
+ map = screen->surface_map(screen, ps, PIPE_BUFFER_USAGE_CPU_READ);
+ if (!map) {
+ assert(0);
+ return;
+ }
+
switch (ps->format) {
case PIPE_FORMAT_Z32_UNORM:
{
const uint *pSrc
- = (const uint *) pipe_surface_map(ps) + (y * ps->pitch + x);
+ = (const uint *)map + (y * ps->pitch + x);
for (i = 0; i < h; i++) {
memcpy(pDest, pSrc, 4 * w);
pDest += dstStride;
@@ -857,7 +875,7 @@ pipe_get_tile_z(struct pipe_context *pipe,
case PIPE_FORMAT_X8Z24_UNORM:
{
const uint *pSrc
- = (const uint *) pipe_surface_map(ps) + (y * ps->pitch + x);
+ = (const uint *)map + (y * ps->pitch + x);
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
/* convert 24-bit Z to 32-bit Z */
@@ -871,7 +889,7 @@ pipe_get_tile_z(struct pipe_context *pipe,
case PIPE_FORMAT_Z16_UNORM:
{
const ushort *pSrc
- = (const ushort *) pipe_surface_map(ps) + (y * ps->pitch + x);
+ = (const ushort *)map + (y * ps->pitch + x);
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
/* convert 16-bit Z to 32-bit Z */
@@ -886,7 +904,7 @@ pipe_get_tile_z(struct pipe_context *pipe,
assert(0);
}
- pipe_surface_unmap(ps);
+ screen->surface_unmap(screen, ps);
}
@@ -896,17 +914,25 @@ pipe_put_tile_z(struct pipe_context *pipe,
uint x, uint y, uint w, uint h,
const uint *zSrc)
{
+ struct pipe_screen *screen = pipe->screen;
const uint srcStride = w;
const uint *pSrc = zSrc;
+ void *map;
uint i, j;
if (pipe_clip_tile(x, y, &w, &h, ps))
return;
+ map = screen->surface_map(screen, ps, PIPE_BUFFER_USAGE_CPU_WRITE);
+ if (!map) {
+ assert(0);
+ return;
+ }
+
switch (ps->format) {
case PIPE_FORMAT_Z32_UNORM:
{
- uint *pDest = (uint *) pipe_surface_map(ps) + (y * ps->pitch + x);
+ uint *pDest = (uint *) map + (y * ps->pitch + x);
for (i = 0; i < h; i++) {
memcpy(pDest, pSrc, 4 * w);
pDest += ps->pitch;
@@ -917,7 +943,7 @@ pipe_put_tile_z(struct pipe_context *pipe,
case PIPE_FORMAT_S8Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
{
- uint *pDest = (uint *) pipe_surface_map(ps) + (y * ps->pitch + x);
+ uint *pDest = (uint *) map + (y * ps->pitch + x);
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
/* convert 32-bit Z to 24-bit Z (0 stencil) */
@@ -930,7 +956,7 @@ pipe_put_tile_z(struct pipe_context *pipe,
break;
case PIPE_FORMAT_Z16_UNORM:
{
- ushort *pDest = (ushort *) pipe_surface_map(ps) + (y * ps->pitch + x);
+ ushort *pDest = (ushort *) map + (y * ps->pitch + x);
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
/* convert 32-bit Z to 16-bit Z */
@@ -945,7 +971,7 @@ pipe_put_tile_z(struct pipe_context *pipe,
assert(0);
}
- pipe_surface_unmap(ps);
+ screen->surface_unmap(screen, ps);
}
diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c
index 9e9912c6e46..257473ab26f 100644
--- a/src/gallium/auxiliary/util/u_blit.c
+++ b/src/gallium/auxiliary/util/u_blit.c
@@ -287,7 +287,8 @@ util_blit_pixels(struct blit_state *ctx,
if (!tex)
return;
- texSurf = screen->get_tex_surface(screen, tex, 0, 0, 0);
+ texSurf = screen->get_tex_surface(screen, tex, 0, 0, 0,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
/* load temp texture */
pipe->surface_copy(pipe, FALSE,
diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c
index 0348629ab82..6ed5503c9ae 100644
--- a/src/gallium/auxiliary/util/u_gen_mipmap.c
+++ b/src/gallium/auxiliary/util/u_gen_mipmap.c
@@ -586,8 +586,11 @@ make_1d_mipmap(struct gen_mipmap_state *ctx,
struct pipe_surface *srcSurf, *dstSurf;
void *srcMap, *dstMap;
- srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice);
- dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice);
+ srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice,
+ PIPE_BUFFER_USAGE_CPU_READ);
+
+ dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
srcMap = ((ubyte *) winsys->buffer_map(winsys, srcSurf->buffer,
PIPE_BUFFER_USAGE_CPU_READ)
@@ -626,8 +629,10 @@ make_2d_mipmap(struct gen_mipmap_state *ctx,
struct pipe_surface *srcSurf, *dstSurf;
ubyte *srcMap, *dstMap;
- srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice);
- dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice);
+ srcSurf = screen->get_tex_surface(screen, pt, face, srcLevel, zslice,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ dstSurf = screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
srcMap = ((ubyte *) winsys->buffer_map(winsys, srcSurf->buffer,
PIPE_BUFFER_USAGE_CPU_READ)
@@ -888,10 +893,14 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
for (dstLevel = baseLevel + 1; dstLevel <= lastLevel; dstLevel++) {
const uint srcLevel = dstLevel - 1;
+ struct pipe_surface *surf =
+ screen->get_tex_surface(screen, pt, face, dstLevel, zslice,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+
/*
* Setup framebuffer / dest surface
*/
- fb.cbufs[0] = screen->get_tex_surface(screen, pt, face, dstLevel, zslice);
+ fb.cbufs[0] = surf;
fb.width = pt->width[dstLevel];
fb.height = pt->height[dstLevel];
cso_set_framebuffer(ctx->cso, &fb);
@@ -922,7 +931,7 @@ util_gen_mipmap(struct gen_mipmap_state *ctx,
pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
/* need to signal that the texture has changed _after_ rendering to it */
- pipe->texture_update(pipe, pt, face, (1 << dstLevel));
+ pipe_surface_reference( &surf, NULL );
}
/* restore state we changed */
diff --git a/src/gallium/drivers/failover/fo_context.c b/src/gallium/drivers/failover/fo_context.c
index cb95ba516f9..014a3e31d50 100644
--- a/src/gallium/drivers/failover/fo_context.c
+++ b/src/gallium/drivers/failover/fo_context.c
@@ -147,8 +147,8 @@ struct pipe_context *failover_create( struct pipe_context *hw,
failover->pipe.texture_create = hw->texture_create;
failover->pipe.texture_release = hw->texture_release;
failover->pipe.get_tex_surface = hw->get_tex_surface;
-#endif
failover->pipe.texture_update = hw->texture_update;
+#endif
failover->pipe.flush = hw->flush;
diff --git a/src/gallium/drivers/i915simple/i915_screen.c b/src/gallium/drivers/i915simple/i915_screen.c
index 631642e1b6b..dcd349e478b 100644
--- a/src/gallium/drivers/i915simple/i915_screen.c
+++ b/src/gallium/drivers/i915simple/i915_screen.c
@@ -200,6 +200,35 @@ i915_destroy_screen( struct pipe_screen *screen )
}
+static void *
+i915_surface_map( struct pipe_screen *screen,
+ struct pipe_surface *surface,
+ unsigned flags )
+{
+ char *map = screen->winsys->buffer_map( screen->winsys, surface->buffer, flags );
+ if (map == NULL)
+ return NULL;
+
+ if (surface->texture &&
+ (flags & PIPE_BUFFER_USAGE_CPU_WRITE))
+ {
+ /* Do something to notify contexts of a texture change.
+ */
+ /* i915_screen(screen)->timestamp++; */
+ }
+
+ return map + surface->offset;
+}
+
+static void
+i915_surface_unmap(struct pipe_screen *screen,
+ struct pipe_surface *surface)
+{
+ screen->winsys->buffer_unmap( screen->winsys, surface->buffer );
+}
+
+
+
/**
* Create a new i915_screen object
*/
@@ -243,6 +272,8 @@ i915_create_screen(struct pipe_winsys *winsys, uint pci_id)
i915screen->screen.get_param = i915_get_param;
i915screen->screen.get_paramf = i915_get_paramf;
i915screen->screen.is_format_supported = i915_is_format_supported;
+ i915screen->screen.surface_map = i915_surface_map;
+ i915screen->screen.surface_unmap = i915_surface_unmap;
i915_init_screen_texture_functions(&i915screen->screen);
diff --git a/src/gallium/drivers/i915simple/i915_surface.c b/src/gallium/drivers/i915simple/i915_surface.c
index f4fbedbe9bc..98367ac0739 100644
--- a/src/gallium/drivers/i915simple/i915_surface.c
+++ b/src/gallium/drivers/i915simple/i915_surface.c
@@ -51,17 +51,25 @@ i915_surface_copy(struct pipe_context *pipe,
assert( dst->cpp == src->cpp );
if (0) {
- pipe_copy_rect(pipe_surface_map(dst),
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_CPU_WRITE );
+
+ const void *src_map = pipe->screen->surface_map( pipe->screen,
+ src,
+ PIPE_BUFFER_USAGE_CPU_READ );
+
+ pipe_copy_rect(dst_map,
dst->cpp,
dst->pitch,
dstx, dsty,
width, height,
- pipe_surface_map(src),
+ src_map,
do_flip ? -(int) src->pitch : src->pitch,
srcx, do_flip ? 1 - srcy - height : srcy);
- pipe_surface_unmap(src);
- pipe_surface_unmap(dst);
+ pipe->screen->surface_unmap(pipe->screen, src);
+ pipe->screen->surface_unmap(pipe->screen, dst);
}
else {
i915_copy_blit( i915_context(pipe),
@@ -92,7 +100,10 @@ i915_surface_fill(struct pipe_context *pipe,
{
if (0) {
unsigned i, j;
- void *dst_map = pipe_surface_map(dst);
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_CPU_WRITE );
+
switch (dst->cpp) {
case 1: {
@@ -126,7 +137,7 @@ i915_surface_fill(struct pipe_context *pipe,
break;
}
- pipe_surface_unmap( dst );
+ pipe->screen->surface_unmap(pipe->screen, dst);
}
else {
i915_fill_blit( i915_context(pipe),
diff --git a/src/gallium/drivers/i915simple/i915_texture.c b/src/gallium/drivers/i915simple/i915_texture.c
index c39e747705b..7b9359a0fea 100644
--- a/src/gallium/drivers/i915simple/i915_texture.c
+++ b/src/gallium/drivers/i915simple/i915_texture.c
@@ -541,13 +541,6 @@ i915_texture_release_screen(struct pipe_screen *screen,
}
-static void
-i915_texture_update(struct pipe_context *pipe, struct pipe_texture *texture,
- uint face, uint levelsMask)
-{
- /* no-op? */
-}
-
/*
* XXX note: same as code in sp_surface.c
@@ -555,7 +548,8 @@ i915_texture_update(struct pipe_context *pipe, struct pipe_texture *texture,
static struct pipe_surface *
i915_get_tex_surface_screen(struct pipe_screen *screen,
struct pipe_texture *pt,
- unsigned face, unsigned level, unsigned zslice)
+ unsigned face, unsigned level, unsigned zslice,
+ unsigned flags)
{
struct i915_texture *tex = (struct i915_texture *)pt;
struct pipe_winsys *ws = screen->winsys;
@@ -586,6 +580,7 @@ i915_get_tex_surface_screen(struct pipe_screen *screen,
ps->height = pt->height[level];
ps->pitch = tex->pitch;
ps->offset = offset;
+ ps->usage = flags;
}
return ps;
}
@@ -594,7 +589,7 @@ i915_get_tex_surface_screen(struct pipe_screen *screen,
void
i915_init_texture_functions(struct i915_context *i915)
{
- i915->pipe.texture_update = i915_texture_update;
+// i915->pipe.texture_update = i915_texture_update;
}
diff --git a/src/gallium/drivers/i965simple/brw_surface.c b/src/gallium/drivers/i965simple/brw_surface.c
index c99a91dcf76..3e3736b2806 100644
--- a/src/gallium/drivers/i965simple/brw_surface.c
+++ b/src/gallium/drivers/i965simple/brw_surface.c
@@ -35,27 +35,6 @@
#include "util/p_tile.h"
-/* Upload data to a rectangular sub-region. Lots of choices how to do this:
- *
- * - memcpy by span to current destination
- * - upload data as new buffer and blit
- *
- * Currently always memcpy.
- */
-static void
-brw_surface_data(struct pipe_context *pipe,
- struct pipe_surface *dst,
- unsigned dstx, unsigned dsty,
- const void *src, unsigned src_pitch,
- unsigned srcx, unsigned srcy, unsigned width, unsigned height)
-{
- pipe_copy_rect(pipe_surface_map(dst) + dst->offset,
- dst->cpp, dst->pitch,
- dstx, dsty, width, height, src, src_pitch, srcx, srcy);
-
- pipe_surface_unmap(dst);
-}
-
/* Assumes all values are within bounds -- no checking at this level -
* do it higher up if required.
@@ -72,17 +51,25 @@ brw_surface_copy(struct pipe_context *pipe,
assert(dst->cpp == src->cpp);
if (0) {
- pipe_copy_rect(pipe_surface_map(dst) + dst->offset,
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_CPU_WRITE );
+
+ const void *src_map = pipe->screen->surface_map( pipe->screen,
+ src,
+ PIPE_BUFFER_USAGE_CPU_READ );
+
+ pipe_copy_rect(dst_map,
dst->cpp,
dst->pitch,
- dstx, dsty,
- width, height,
- pipe_surface_map(src) + src->offset,
- do_flip ? -src->pitch : src->pitch,
+ dstx, dsty,
+ width, height,
+ src_map,
+ do_flip ? -(int) src->pitch : src->pitch,
srcx, do_flip ? 1 - srcy - height : srcy);
- pipe_surface_unmap(src);
- pipe_surface_unmap(dst);
+ pipe->screen->surface_unmap(pipe->screen, src);
+ pipe->screen->surface_unmap(pipe->screen, dst);
}
else {
brw_copy_blit(brw_context(pipe),
@@ -113,7 +100,10 @@ brw_surface_fill(struct pipe_context *pipe,
{
if (0) {
unsigned i, j;
- void *dst_map = pipe_surface_map(dst);
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_CPU_WRITE );
+
switch (dst->cpp) {
case 1: {
@@ -147,7 +137,7 @@ brw_surface_fill(struct pipe_context *pipe,
break;
}
- pipe_surface_unmap( dst );
+ pipe->screen->surface_unmap(pipe->screen, dst);
}
else {
brw_fill_blit(brw_context(pipe),
@@ -164,7 +154,6 @@ brw_surface_fill(struct pipe_context *pipe,
void
brw_init_surface_functions(struct brw_context *brw)
{
- (void) brw_surface_data; /* silence warning */
brw->pipe.surface_copy = brw_surface_copy;
brw->pipe.surface_fill = brw_surface_fill;
}
diff --git a/src/gallium/drivers/i965simple/brw_tex_layout.c b/src/gallium/drivers/i965simple/brw_tex_layout.c
index b580f98204c..ba4c4a7bcf5 100644
--- a/src/gallium/drivers/i965simple/brw_tex_layout.c
+++ b/src/gallium/drivers/i965simple/brw_tex_layout.c
@@ -407,7 +407,7 @@ brw_get_tex_surface_screen(struct pipe_screen *screen,
void
brw_init_texture_functions(struct brw_context *brw)
{
- brw->pipe.texture_update = brw_texture_update;
+// brw->pipe.texture_update = brw_texture_update;
}
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index edf91ecafa3..ee74826763c 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -192,11 +192,11 @@ softpipe_create( struct pipe_screen *screen,
* Must be before quad stage setup!
*/
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++)
- softpipe->cbuf_cache[i] = sp_create_tile_cache();
- softpipe->zsbuf_cache = sp_create_tile_cache();
+ softpipe->cbuf_cache[i] = sp_create_tile_cache( screen );
+ softpipe->zsbuf_cache = sp_create_tile_cache( screen );
for (i = 0; i < PIPE_MAX_SAMPLERS; i++)
- softpipe->tex_cache[i] = sp_create_tile_cache();
+ softpipe->tex_cache[i] = sp_create_tile_cache( screen );
/* setup quad rendering stages */
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index 6c58f9909da..355c120d187 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -50,7 +50,7 @@ softpipe_map_constant_buffers(struct softpipe_context *sp)
for (i = 0; i < 2; i++) {
if (sp->constants[i].size)
sp->mapped_constants[i] = ws->buffer_map(ws, sp->constants[i].buffer,
- PIPE_BUFFER_USAGE_CPU_READ);
+ PIPE_BUFFER_USAGE_GPU_READ);
}
draw_set_mapped_constant_buffer(sp->draw,
@@ -133,14 +133,14 @@ softpipe_draw_elements(struct pipe_context *pipe,
void *buf
= pipe->winsys->buffer_map(pipe->winsys,
sp->vertex_buffer[i].buffer,
- PIPE_BUFFER_USAGE_CPU_READ);
+ PIPE_BUFFER_USAGE_GPU_READ);
draw_set_mapped_vertex_buffer(draw, i, buf);
}
/* Map index buffer, if present */
if (indexBuffer) {
void *mapped_indexes
= pipe->winsys->buffer_map(pipe->winsys, indexBuffer,
- PIPE_BUFFER_USAGE_CPU_READ);
+ PIPE_BUFFER_USAGE_GPU_READ);
draw_set_mapped_element_buffer(draw, indexSize, mapped_indexes);
}
else {
diff --git a/src/gallium/drivers/softpipe/sp_flush.c b/src/gallium/drivers/softpipe/sp_flush.c
index 0625b69099b..e03994b63b7 100644
--- a/src/gallium/drivers/softpipe/sp_flush.c
+++ b/src/gallium/drivers/softpipe/sp_flush.c
@@ -50,25 +50,28 @@ softpipe_flush( struct pipe_context *pipe,
draw_flush(softpipe->draw);
- /* - flush the quad pipeline
- * - flush the texture cache
- * - flush the render cache
- */
+ if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
+ for (i = 0; i < softpipe->num_textures; i++) {
+ sp_flush_tile_cache(softpipe, softpipe->tex_cache[i]);
+ }
+ }
- for (i = 0; i < softpipe->framebuffer.num_cbufs; i++)
- if (softpipe->cbuf_cache[i])
- sp_flush_tile_cache(softpipe, softpipe->cbuf_cache[i]);
+ if (flags & PIPE_FLUSH_RENDER_CACHE) {
+ for (i = 0; i < softpipe->framebuffer.num_cbufs; i++)
+ if (softpipe->cbuf_cache[i])
+ sp_flush_tile_cache(softpipe, softpipe->cbuf_cache[i]);
- if (softpipe->zsbuf_cache)
- sp_flush_tile_cache(softpipe, softpipe->zsbuf_cache);
+ if (softpipe->zsbuf_cache)
+ sp_flush_tile_cache(softpipe, softpipe->zsbuf_cache);
- /* Need this call for hardware buffers before swapbuffers.
- *
- * there should probably be another/different flush-type function
- * that's called before swapbuffers because we don't always want
- * to unmap surfaces when flushing.
- */
- softpipe_unmap_surfaces(softpipe);
+ /* Need this call for hardware buffers before swapbuffers.
+ *
+ * there should probably be another/different flush-type function
+ * that's called before swapbuffers because we don't always want
+ * to unmap surfaces when flushing.
+ */
+ softpipe_unmap_surfaces(softpipe);
+ }
if (fence)
*fence = NULL;
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 7dacb1c4613..e9926bf41f9 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -33,6 +33,7 @@
#include "sp_texture.h"
#include "sp_winsys.h"
+#include "sp_screen.h"
static const char *
@@ -137,6 +138,7 @@ softpipe_destroy_screen( struct pipe_screen *screen )
}
+
/**
* Create a new pipe_screen object
* Note: we're not presently subclassing pipe_screen (no softpipe_screen).
@@ -144,22 +146,22 @@ softpipe_destroy_screen( struct pipe_screen *screen )
struct pipe_screen *
softpipe_create_screen(struct pipe_winsys *winsys)
{
- struct pipe_screen *screen = CALLOC_STRUCT(pipe_screen);
+ struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen);
if (!screen)
return NULL;
- screen->winsys = winsys;
+ screen->base.winsys = winsys;
- screen->destroy = softpipe_destroy_screen;
+ screen->base.destroy = softpipe_destroy_screen;
- screen->get_name = softpipe_get_name;
- screen->get_vendor = softpipe_get_vendor;
- screen->get_param = softpipe_get_param;
- screen->get_paramf = softpipe_get_paramf;
- screen->is_format_supported = softpipe_is_format_supported;
+ screen->base.get_name = softpipe_get_name;
+ screen->base.get_vendor = softpipe_get_vendor;
+ screen->base.get_param = softpipe_get_param;
+ screen->base.get_paramf = softpipe_get_paramf;
+ screen->base.is_format_supported = softpipe_is_format_supported;
- softpipe_init_screen_texture_funcs(screen);
+ softpipe_init_screen_texture_funcs(&screen->base);
- return screen;
+ return &screen->base;
}
diff --git a/src/gallium/drivers/softpipe/sp_surface.c b/src/gallium/drivers/softpipe/sp_surface.c
index 653449c4f18..b5cc0535481 100644
--- a/src/gallium/drivers/softpipe/sp_surface.c
+++ b/src/gallium/drivers/softpipe/sp_surface.c
@@ -47,18 +47,27 @@ sp_surface_copy(struct pipe_context *pipe,
unsigned srcx, unsigned srcy, unsigned width, unsigned height)
{
assert( dst->cpp == src->cpp );
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_GPU_WRITE );
- pipe_copy_rect(pipe_surface_map(dst),
+ const void *src_map = pipe->screen->surface_map( pipe->screen,
+ src,
+ PIPE_BUFFER_USAGE_GPU_READ );
+
+ assert(src_map && dst_map);
+
+ pipe_copy_rect(dst_map,
dst->cpp,
dst->pitch,
dstx, dsty,
width, height,
- pipe_surface_map(src),
+ src_map,
do_flip ? -(int) src->pitch : src->pitch,
srcx, do_flip ? 1 - srcy - height : srcy);
- pipe_surface_unmap(src);
- pipe_surface_unmap(dst);
+ pipe->screen->surface_unmap(pipe->screen, src);
+ pipe->screen->surface_unmap(pipe->screen, dst);
}
@@ -83,7 +92,9 @@ sp_surface_fill(struct pipe_context *pipe,
unsigned width, unsigned height, unsigned value)
{
unsigned i, j;
- void *dst_map = pipe_surface_map(dst);
+ void *dst_map = pipe->screen->surface_map( pipe->screen,
+ dst,
+ PIPE_BUFFER_USAGE_GPU_WRITE );
assert(dst->pitch > 0);
assert(width <= dst->pitch);
@@ -147,7 +158,7 @@ sp_surface_fill(struct pipe_context *pipe,
break;
}
- pipe_surface_unmap( dst );
+ pipe->screen->surface_unmap(pipe->screen, dst);
}
diff --git a/src/gallium/drivers/softpipe/sp_texture.c b/src/gallium/drivers/softpipe/sp_texture.c
index 256586ec886..ee3fa994f94 100644
--- a/src/gallium/drivers/softpipe/sp_texture.c
+++ b/src/gallium/drivers/softpipe/sp_texture.c
@@ -40,6 +40,7 @@
#include "sp_state.h"
#include "sp_texture.h"
#include "sp_tile_cache.h"
+#include "sp_screen.h"
/* Simple, maximally packed layout.
@@ -116,19 +117,10 @@ softpipe_texture_release(struct pipe_screen *screen,
if (!*pt)
return;
- /*
- DBG("%s %p refcount will be %d\n",
- __FUNCTION__, (void *) *pt, (*pt)->refcount - 1);
- */
if (--(*pt)->refcount <= 0) {
struct softpipe_texture *spt = softpipe_texture(*pt);
- /*
- DBG("%s deleting %p\n", __FUNCTION__, (void *) spt);
- */
-
pipe_buffer_reference(screen->winsys, &spt->buffer, NULL);
-
FREE(spt);
}
*pt = NULL;
@@ -138,7 +130,8 @@ softpipe_texture_release(struct pipe_screen *screen,
static struct pipe_surface *
softpipe_get_tex_surface(struct pipe_screen *screen,
struct pipe_texture *pt,
- unsigned face, unsigned level, unsigned zslice)
+ unsigned face, unsigned level, unsigned zslice,
+ unsigned usage)
{
struct pipe_winsys *ws = screen->winsys;
struct softpipe_texture *spt = softpipe_texture(pt);
@@ -157,6 +150,7 @@ softpipe_get_tex_surface(struct pipe_screen *screen,
ps->height = pt->height[level];
ps->pitch = ps->width;
ps->offset = spt->level_offset[level];
+ ps->usage = usage;
if (pt->target == PIPE_TEXTURE_CUBE || pt->target == PIPE_TEXTURE_3D) {
ps->offset += ((pt->target == PIPE_TEXTURE_CUBE) ? face : zslice) *
@@ -167,30 +161,74 @@ softpipe_get_tex_surface(struct pipe_screen *screen,
assert(face == 0);
assert(zslice == 0);
}
+
+ if (usage & (PIPE_BUFFER_USAGE_CPU_WRITE |
+ PIPE_BUFFER_USAGE_GPU_WRITE)) {
+ /* XXX if writing to the texture, invalidate the texcache entries!!! */
+ assert(0);
+ }
}
return ps;
}
-static void
-softpipe_texture_update(struct pipe_context *pipe,
- struct pipe_texture *texture,
- uint face, uint levelsMask)
+static void
+softpipe_tex_surface_release(struct pipe_screen *screen,
+ struct pipe_surface **s)
{
- struct softpipe_context *softpipe = softpipe_context(pipe);
- uint unit;
- for (unit = 0; unit < softpipe->num_textures; unit++) {
- if (softpipe->texture[unit] == texture) {
- sp_flush_tile_cache(softpipe, softpipe->tex_cache[unit]);
- }
+ /* Effectively do the texture_update work here - if texture images
+ * needed post-processing to put them into hardware layout, this is
+ * where it would happen. For softpipe, nothing to do.
+ */
+ assert ((*s)->texture);
+
+ screen->winsys->surface_release(screen->winsys, s);
+}
+
+
+static void *
+softpipe_surface_map( struct pipe_screen *screen,
+ struct pipe_surface *surface,
+ unsigned flags )
+{
+ ubyte *map;
+
+ if (flags & ~surface->usage) {
+ assert(0);
+ return NULL;
+ }
+
+ map = screen->winsys->buffer_map( screen->winsys, surface->buffer, flags );
+ if (map == NULL)
+ return NULL;
+
+ /* May want to different things here depending on read/write nature
+ * of the map:
+ */
+ if (surface->texture &&
+ (flags & PIPE_BUFFER_USAGE_GPU_WRITE))
+ {
+ /* Do something to notify sharing contexts of a texture change.
+ * In softpipe, that would mean flushing the texture cache.
+ */
+ softpipe_screen(screen)->timestamp++;
}
+
+ return map + surface->offset;
+}
+
+
+static void
+softpipe_surface_unmap(struct pipe_screen *screen,
+ struct pipe_surface *surface)
+{
+ screen->winsys->buffer_unmap( screen->winsys, surface->buffer );
}
void
-softpipe_init_texture_funcs( struct softpipe_context *softpipe )
+softpipe_init_texture_funcs(struct softpipe_context *sp)
{
- softpipe->pipe.texture_update = softpipe_texture_update;
}
@@ -199,5 +237,10 @@ softpipe_init_screen_texture_funcs(struct pipe_screen *screen)
{
screen->texture_create = softpipe_texture_create;
screen->texture_release = softpipe_texture_release;
+
screen->get_tex_surface = softpipe_get_tex_surface;
+ screen->tex_surface_release = softpipe_tex_surface_release;
+
+ screen->surface_map = softpipe_surface_map;
+ screen->surface_unmap = softpipe_surface_unmap;
}
diff --git a/src/gallium/drivers/softpipe/sp_texture.h b/src/gallium/drivers/softpipe/sp_texture.h
index a7322144e6f..2ba093320dc 100644
--- a/src/gallium/drivers/softpipe/sp_texture.h
+++ b/src/gallium/drivers/softpipe/sp_texture.h
@@ -61,7 +61,6 @@ softpipe_texture(struct pipe_texture *pt)
extern void
softpipe_init_texture_funcs( struct softpipe_context *softpipe );
-
extern void
softpipe_init_screen_texture_funcs(struct pipe_screen *screen);
diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.c b/src/gallium/drivers/softpipe/sp_tile_cache.c
index a88aad5d097..a3fd375a2d1 100644
--- a/src/gallium/drivers/softpipe/sp_tile_cache.c
+++ b/src/gallium/drivers/softpipe/sp_tile_cache.c
@@ -49,6 +49,7 @@
struct softpipe_tile_cache
{
+ struct pipe_screen *screen;
struct pipe_surface *surface; /**< the surface we're caching */
void *surface_map;
struct pipe_texture *texture; /**< if caching a texture */
@@ -109,13 +110,14 @@ clear_clear_flag(uint *bitvec, int x, int y)
struct softpipe_tile_cache *
-sp_create_tile_cache(void)
+sp_create_tile_cache( struct pipe_screen *screen )
{
struct softpipe_tile_cache *tc;
uint pos;
tc = CALLOC_STRUCT( softpipe_tile_cache );
if (tc) {
+ tc->screen = screen;
for (pos = 0; pos < NUM_ENTRIES; pos++) {
tc->entries[pos].x =
tc->entries[pos].y = -1;
@@ -154,16 +156,17 @@ sp_tile_cache_set_surface(struct softpipe_tile_cache *tc,
assert(!tc->texture);
if (tc->surface_map) {
- /*assert(tc->surface != ps);*/
- pipe_surface_unmap(tc->surface);
+ tc->screen->surface_unmap(tc->screen, tc->surface);
tc->surface_map = NULL;
}
pipe_surface_reference(&tc->surface, ps);
- if (ps) {
- if (tc->surface_map)
- tc->surface_map = pipe_surface_map(ps);
+ if (tc->surface) {
+ if (tc->surface_map) /* XXX: this is always NULL!? */
+ tc->surface_map = tc->screen->surface_map(tc->screen, tc->surface,
+ PIPE_BUFFER_USAGE_GPU_READ |
+ PIPE_BUFFER_USAGE_GPU_WRITE);
tc->depth_stencil = (ps->format == PIPE_FORMAT_S8Z24_UNORM ||
ps->format == PIPE_FORMAT_Z16_UNORM ||
@@ -187,10 +190,13 @@ void
sp_tile_cache_map_surfaces(struct softpipe_tile_cache *tc)
{
if (tc->surface && !tc->surface_map)
- tc->surface_map = pipe_surface_map(tc->surface);
+ tc->surface_map = tc->screen->surface_map(tc->screen, tc->surface,
+ PIPE_BUFFER_USAGE_GPU_WRITE |
+ PIPE_BUFFER_USAGE_GPU_READ);
if (tc->tex_surf && !tc->tex_surf_map)
- tc->tex_surf_map = pipe_surface_map(tc->tex_surf);
+ tc->tex_surf_map = tc->screen->surface_map(tc->screen, tc->tex_surf,
+ PIPE_BUFFER_USAGE_GPU_READ);
}
@@ -198,12 +204,12 @@ void
sp_tile_cache_unmap_surfaces(struct softpipe_tile_cache *tc)
{
if (tc->surface_map) {
- pipe_surface_unmap(tc->surface);
+ tc->screen->surface_unmap(tc->screen, tc->surface);
tc->surface_map = NULL;
}
if (tc->tex_surf_map) {
- pipe_surface_unmap(tc->tex_surf);
+ tc->screen->surface_unmap(tc->screen, tc->tex_surf);
tc->tex_surf_map = NULL;
}
}
@@ -224,7 +230,7 @@ sp_tile_cache_set_texture(struct pipe_context *pipe,
pipe_texture_reference(&tc->texture, texture);
if (tc->tex_surf_map) {
- pipe_surface_unmap(tc->tex_surf);
+ tc->screen->surface_unmap(tc->screen, tc->tex_surf);
tc->tex_surf_map = NULL;
}
pipe_surface_reference(&tc->tex_surf, NULL);
@@ -514,10 +520,12 @@ sp_get_cached_tile_tex(struct pipe_context *pipe,
/* get new surface (view into texture) */
if (tc->tex_surf_map)
- pipe_surface_unmap(tc->tex_surf);
+ tc->screen->surface_unmap(tc->screen, tc->tex_surf);
- tc->tex_surf = screen->get_tex_surface(screen, tc->texture, face, level, z);
- tc->tex_surf_map = pipe_surface_map(tc->tex_surf);
+ tc->tex_surf = screen->get_tex_surface(screen, tc->texture, face, level, z,
+ PIPE_BUFFER_USAGE_GPU_READ);
+ tc->tex_surf_map = screen->surface_map(screen, tc->tex_surf,
+ PIPE_BUFFER_USAGE_GPU_READ);
tc->tex_face = face;
tc->tex_level = level;
diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.h b/src/gallium/drivers/softpipe/sp_tile_cache.h
index 2631e29a3a6..bc96c941f61 100644
--- a/src/gallium/drivers/softpipe/sp_tile_cache.h
+++ b/src/gallium/drivers/softpipe/sp_tile_cache.h
@@ -61,7 +61,7 @@ struct softpipe_cached_tile
extern struct softpipe_tile_cache *
-sp_create_tile_cache(void);
+sp_create_tile_cache( struct pipe_screen *screen );
extern void
sp_destroy_tile_cache(struct softpipe_tile_cache *tc);
diff --git a/src/gallium/include/pipe/p_context.h b/src/gallium/include/pipe/p_context.h
index f3a9c2cd8b2..0f68f592f77 100644
--- a/src/gallium/include/pipe/p_context.h
+++ b/src/gallium/include/pipe/p_context.h
@@ -198,12 +198,6 @@ struct pipe_context {
/*@}*/
- /** Called when texture data is changed */
- void (*texture_update)(struct pipe_context *pipe,
- struct pipe_texture *texture,
- uint face, uint dirtyLevelsMask);
-
-
/** Flush rendering (flags = bitmask of PIPE_FLUSH_x tokens) */
void (*flush)( struct pipe_context *pipe,
unsigned flags,
diff --git a/src/gallium/include/pipe/p_inlines.h b/src/gallium/include/pipe/p_inlines.h
index 8eb604e73f1..592c3c87c26 100644
--- a/src/gallium/include/pipe/p_inlines.h
+++ b/src/gallium/include/pipe/p_inlines.h
@@ -39,20 +39,6 @@ extern "C" {
#endif
-static INLINE void *
-pipe_surface_map(struct pipe_surface *surface)
-{
- return (char *)surface->winsys->buffer_map( surface->winsys, surface->buffer,
- PIPE_BUFFER_USAGE_CPU_WRITE |
- PIPE_BUFFER_USAGE_CPU_READ )
- + surface->offset;
-}
-
-static INLINE void
-pipe_surface_unmap(struct pipe_surface *surface)
-{
- surface->winsys->buffer_unmap( surface->winsys, surface->buffer );
-}
/**
* Set 'ptr' to point to 'surf' and update reference counting.
@@ -66,9 +52,20 @@ pipe_surface_reference(struct pipe_surface **ptr, struct pipe_surface *surf)
if (surf)
surf->refcount++;
- if (*ptr /* && --(*ptr)->refcount == 0 */) {
- struct pipe_winsys *winsys = (*ptr)->winsys;
- winsys->surface_release(winsys, ptr);
+ if (*ptr) {
+
+ /* There are currently two sorts of surfaces... This needs to be
+ * fixed so that all surfaces are views into a texture.
+ */
+ if ((*ptr)->texture) {
+ struct pipe_screen *screen = (*ptr)->texture->screen;
+ screen->tex_surface_release( screen, ptr );
+ }
+ else {
+ struct pipe_winsys *winsys = (*ptr)->winsys;
+ winsys->surface_release(winsys, ptr);
+ }
+
assert(!*ptr);
}
diff --git a/src/gallium/include/pipe/p_screen.h b/src/gallium/include/pipe/p_screen.h
index 26ac99d287d..c080579c26e 100644
--- a/src/gallium/include/pipe/p_screen.h
+++ b/src/gallium/include/pipe/p_screen.h
@@ -96,7 +96,22 @@ struct pipe_screen {
struct pipe_surface *(*get_tex_surface)(struct pipe_screen *,
struct pipe_texture *texture,
unsigned face, unsigned level,
- unsigned zslice);
+ unsigned zslice,
+ unsigned usage );
+
+ /* Surfaces allocated by the above must be released here:
+ */
+ void (*tex_surface_release)( struct pipe_screen *,
+ struct pipe_surface ** );
+
+
+ void *(*surface_map)( struct pipe_screen *,
+ struct pipe_surface *surface,
+ unsigned flags );
+
+ void (*surface_unmap)( struct pipe_screen *,
+ struct pipe_surface *surface );
+
};
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 912d84e7b99..62b05a403b3 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -273,7 +273,11 @@ struct pipe_surface
unsigned pitch; /**< in pixels */
unsigned offset; /**< offset from start of buffer, in bytes */
unsigned refcount;
+ unsigned usage; /**< PIPE_BUFFER_USAGE_* */
+
struct pipe_winsys *winsys; /**< winsys which owns/created the surface */
+
+ struct pipe_texture *texture; /**< optional texture into which this is a view */
};
diff --git a/src/gallium/include/pipe/p_util.h b/src/gallium/include/pipe/p_util.h
index 0e7e2466662..0d8ed167b2a 100644
--- a/src/gallium/include/pipe/p_util.h
+++ b/src/gallium/include/pipe/p_util.h
@@ -204,7 +204,10 @@ mem_dup(const void *src, uint size)
#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) )
#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) )
+#ifndef Elements
#define Elements(x) (sizeof(x)/sizeof((x)[0]))
+#endif
+
#define Offset(TYPE, MEMBER) ((unsigned)&(((TYPE *)NULL)->MEMBER))
/**
diff --git a/src/gallium/include/pipe/p_winsys.h b/src/gallium/include/pipe/p_winsys.h
index 3005ec2d941..87a66b66d75 100644
--- a/src/gallium/include/pipe/p_winsys.h
+++ b/src/gallium/include/pipe/p_winsys.h
@@ -90,7 +90,7 @@ struct pipe_winsys
void (*surface_release)(struct pipe_winsys *ws, struct pipe_surface **s);
-
+
/**
* Buffer management. Buffer attributes are mostly fixed over its lifetime.
*
diff --git a/src/gallium/winsys/xlib/xm_winsys.c b/src/gallium/winsys/xlib/xm_winsys.c
index 8a89278cde6..fd2f56eff24 100644
--- a/src/gallium/winsys/xlib/xm_winsys.c
+++ b/src/gallium/winsys/xlib/xm_winsys.c
@@ -508,6 +508,7 @@ xm_surface_alloc_storage(struct pipe_winsys *winsys,
surf->format = format;
surf->cpp = pf_get_size(format);
surf->pitch = round_up(width, alignment / surf->cpp);
+ surf->usage = flags;
#ifdef GALLIUM_CELL /* XXX a bit of a hack */
height = round_up(height, TILE_SIZE);
@@ -562,6 +563,7 @@ static void
xm_surface_release(struct pipe_winsys *winsys, struct pipe_surface **s)
{
struct pipe_surface *surf = *s;
+ assert(!surf->texture);
surf->refcount--;
if (surf->refcount == 0) {
if (surf->buffer)