}
-static void r200_emit_state_list( r200ContextPtr rmesa,
- struct r200_state_atom *list )
+/* The state atoms will be emitted in the order they appear in the atom list,
+ * so this step is important.
+ */
+void r200SetUpAtomList( r200ContextPtr rmesa )
{
- struct r200_state_atom *state, *tmp;
- char *dest;
- int i, size, mtu;
-
- size = 0;
- foreach_s( state, tmp, list ) {
- if (state->check( rmesa->glCtx, state->idx )) {
-/* dest = r200AllocCmdBuf( rmesa, state->cmd_size * 4, __FUNCTION__);
- memcpy( dest, state->cmd, state->cmd_size * 4);*/
- size += state->cmd_size;
- state->dirty = GL_TRUE;
- move_to_head( &(rmesa->hw.clean), state );
- if (R200_DEBUG & DEBUG_STATE)
- print_state_atom( state );
- }
- else if (R200_DEBUG & DEBUG_STATE)
- fprintf(stderr, "skip state %s\n", state->name);
- }
-
- if (!size)
- return;
+ int i, mtu;
- dest = r200AllocCmdBuf( rmesa, size * 4, __FUNCTION__);
mtu = rmesa->glCtx->Const.MaxTextureUnits;
-#define EMIT_ATOM(ATOM) \
-do { \
- if (rmesa->hw.ATOM.dirty) { \
- rmesa->hw.ATOM.dirty = GL_FALSE; \
- memcpy( dest, rmesa->hw.ATOM.cmd, rmesa->hw.ATOM.cmd_size * 4); \
- dest += rmesa->hw.ATOM.cmd_size * 4; \
- } \
-} while (0)
-
- EMIT_ATOM (ctx);
- EMIT_ATOM (set);
- EMIT_ATOM (lin);
- EMIT_ATOM (msk);
- EMIT_ATOM (vpt);
- EMIT_ATOM (vtx);
- EMIT_ATOM (vap);
- EMIT_ATOM (vte);
- EMIT_ATOM (msc);
- EMIT_ATOM (cst);
- EMIT_ATOM (zbs);
- EMIT_ATOM (tcl);
- EMIT_ATOM (msl);
- EMIT_ATOM (tcg);
- EMIT_ATOM (grd);
- EMIT_ATOM (fog);
- EMIT_ATOM (tam);
- EMIT_ATOM (tf);
- for (i = 0; i < mtu; ++i) {
- EMIT_ATOM (tex[i]);
- }
- for (i = 0; i < mtu; ++i) {
- EMIT_ATOM (cube[i]);
- }
+ make_empty_list(&rmesa->hw.atomlist);
+ rmesa->hw.atomlist.name = "atom-list";
+
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.ctx );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.set );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.lin );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.msk );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.vpt );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.vtx );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.vap );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.vte );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.msc );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.cst );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.zbs );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.tcl );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.msl );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.tcg );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.grd );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.fog );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.tam );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.tf );
+ for (i = 0; i < mtu; ++i)
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.tex[i] );
+ for (i = 0; i < mtu; ++i)
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.cube[i] );
for (i = 0; i < 3 + mtu; ++i)
- EMIT_ATOM (mat[i]);
- EMIT_ATOM (eye);
- EMIT_ATOM (glt);
- for (i = 0; i < 2; ++i) {
- EMIT_ATOM (mtl[i]);
- }
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.mat[i] );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.eye );
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.glt );
+ for (i = 0; i < 2; ++i)
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.mtl[i] );
for (i = 0; i < 8; ++i)
- EMIT_ATOM (lit[i]);
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.lit[i] );
for (i = 0; i < 6; ++i)
- EMIT_ATOM (ucp[i]);
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.ucp[i] );
for (i = 0; i < 6; ++i)
- EMIT_ATOM (pix[i]);
-
-#undef EMIT_ATOM
-
+ insert_at_tail( &rmesa->hw.atomlist, &rmesa->hw.pix[i] );
}
-
void r200EmitState( r200ContextPtr rmesa )
{
- struct r200_state_atom *state, *tmp;
+ char *dest;
+ int i, mtu;
+ struct r200_state_atom *atom;
if (R200_DEBUG & (DEBUG_STATE|DEBUG_PRIMS))
fprintf(stderr, "%s\n", __FUNCTION__);
- /* Somewhat overkill:
- */
- if ( rmesa->lost_context) {
- if (R200_DEBUG & (DEBUG_STATE|DEBUG_PRIMS|DEBUG_IOCTL))
- fprintf(stderr, "%s - lost context\n", __FUNCTION__);
+ if (!rmesa->hw.is_dirty && !rmesa->hw.all_dirty)
+ return;
- foreach_s( state, tmp, &(rmesa->hw.clean) )
- move_to_tail(&(rmesa->hw.dirty), state );
+ mtu = rmesa->glCtx->Const.MaxTextureUnits;
- rmesa->lost_context = 0;
+ /* To avoid going across the entire set of states multiple times, just check
+ * for enough space for the case of emitting all state, and inline the
+ * r200AllocCmdBuf code here without all the checks.
+ */
+ dest = rmesa->store.cmd_buf + rmesa->store.cmd_used;
+ r200EnsureCmdBufSpace( rmesa, rmesa->hw.max_state_size );
+
+ if (R200_DEBUG & DEBUG_STATE) {
+ foreach( atom, &rmesa->hw.atomlist ) {
+ if ( atom->dirty || rmesa->hw.all_dirty ) {
+ if ( atom->check( rmesa->glCtx, atom->idx ) )
+ print_state_atom( atom );
+ else
+ fprintf(stderr, "skip state %s\n", atom->name);
+ }
+ }
}
-/* else {
- move_to_tail( &rmesa->hw.dirty, &rmesa->hw.mtl[0] );*/
- /* odd bug? -- isosurf, cycle between reflect & lit */
-/* }*/
- r200_emit_state_list( rmesa, &rmesa->hw.dirty );
-}
+ foreach( atom, &rmesa->hw.atomlist ) {
+ if ( rmesa->hw.all_dirty )
+ atom->dirty = GL_TRUE;
+ if ( atom->dirty ) {
+ if ( atom->check( rmesa->glCtx, atom->idx ) ) {
+ int size = atom->cmd_size * 4;
+ memcpy( dest, atom->cmd, size);
+ dest += size;
+ rmesa->store.cmd_used += size;
+ atom->dirty = GL_FALSE;
+ }
+ }
+ }
+ assert( rmesa->store.cmd_used <= R200_CMD_BUF_SZ );
+ rmesa->hw.is_dirty = GL_FALSE;
+ rmesa->hw.all_dirty = GL_FALSE;
+}
/* Fire a section of the retained (indexed_verts) buffer as a regular
* primtive.
DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
rmesa->swtcl.RenderIndex = ~0;
- rmesa->lost_context = 1;
+ rmesa->hw.all_dirty = 1;
/* Set the maximum texture size small enough that we can guarentee that
* all texture units can bind a maximal texture and have them both in
GLuint idx;
int *cmd; /* one or more cmd's */
int *lastcmd; /* one or more cmd's */
+ int *savedcmd; /* one or more cmd's */
GLboolean dirty;
GLboolean (*check)( GLcontext *, int ); /* is this state active? */
};
struct r200_hw_state {
- /* All state should be on one of these lists:
- */
- struct r200_state_atom dirty; /* dirty list head placeholder */
- struct r200_state_atom clean; /* clean list head placeholder */
+ /* Head of the linked list of state atoms. */
+ struct r200_state_atom atomlist;
/* Hardware state, stored as cmdbuf commands:
* -- Need to doublebuffer for
struct r200_state_atom glt;
int max_state_size; /* Number of bytes necessary for a full state emit. */
+ GLboolean is_dirty, all_dirty;
};
struct r200_state {
drm_clip_rect_t *pClipRects;
unsigned int lastStamp;
GLboolean lost_context;
+ GLboolean save_on_next_unlock;
r200ScreenPtr r200Screen; /* Screen private DRI data */
drm_radeon_sarea_t *sarea; /* Private SAREA data */
static void r200WaitForIdle( r200ContextPtr rmesa );
+void r200SaveHwState( r200ContextPtr rmesa )
+{
+ struct r200_state_atom *atom;
+
+ foreach( atom, &rmesa->hw.atomlist )
+ memcpy(atom->savedcmd, atom->cmd, atom->cmd_size * 4);
+}
+
+static void r200SwapHwState( r200ContextPtr rmesa )
+{
+ int *temp;
+ struct r200_state_atom *atom;
+
+ foreach( atom, &rmesa->hw.atomlist ) {
+ temp = atom->cmd;
+ atom->cmd = atom->savedcmd;
+ atom->savedcmd = temp;
+ }
+}
+
+/* At this point we were in FlushCmdBufLocked but we had lost our context, so
+ * we need to unwire our current cmdbuf and hook a new one in, emit that, then
+ * wire the old cmdbuf back in so that FlushCmdBufLocked can continue and the
+ * buffer can depend on the state not being lost across lock/unlock.
+ */
+static void r200BackUpAndEmitLostStateLocked( r200ContextPtr rmesa )
+{
+ GLuint nr_released_bufs;
+ struct r200_store store;
+ struct r200_hw_state temp_state;
+ static int count = 0;
+
+ rmesa->lost_context = GL_FALSE;
+
+ nr_released_bufs = rmesa->dma.nr_released_bufs;
+ store = rmesa->store;
+ rmesa->store.statenr = 0;
+ rmesa->store.primnr = 0;
+ rmesa->store.cmd_used = 0;
+ rmesa->store.elts_start = 0;
+ rmesa->hw.all_dirty = GL_TRUE;
+ r200SwapHwState( rmesa );
+ /* In this case it's okay to EmitState while locked because we won't exhaust
+ * our (empty) cmdbuf.
+ */
+ r200EmitState( rmesa );
+ r200FlushCmdBufLocked( rmesa, __FUNCTION__ );
+
+ r200SwapHwState( rmesa );
+ /* We've just cleared out the dirty flags, so we don't remember what
+ * actually needed to be emitted for the next state emit.
+ */
+ rmesa->hw.all_dirty = GL_TRUE;
+ rmesa->dma.nr_released_bufs = nr_released_bufs;
+ rmesa->store = store;
+}
int r200FlushCmdBufLocked( r200ContextPtr rmesa, const char * caller )
{
int ret, i;
drm_radeon_cmd_buffer_t cmd;
+ if (rmesa->lost_context)
+ r200BackUpAndEmitLostStateLocked( rmesa );
+
if (R200_DEBUG & DEBUG_IOCTL) {
fprintf(stderr, "%s from %s\n", __FUNCTION__, caller);
rmesa->store.statenr = 0;
rmesa->store.cmd_used = 0;
rmesa->dma.nr_released_bufs = 0;
- /* Set lost_context so that the first state emit on the new buffer is a full
- * one. This is because the context might get lost while preparing the next
- * buffer, and when we lock and find out, we don't have the information to
- * recreate the state. This function should always be called before the new
- * buffer is begun, so it's sufficient to just set lost_context here.
- *
- * The alternative to this would be to copy out the state on unlock
- * (approximately) and if we did lose the context, dispatch a cmdbuf to reset
- * the state to that old copy before continuing with the accumulated command
- * buffer.
- */
- rmesa->lost_context = 1;
+ rmesa->save_on_next_unlock = 1;
return ret;
}
}
UNLOCK_HARDWARE( rmesa );
- rmesa->lost_context = 1;
+ rmesa->hw.all_dirty = GL_TRUE;
rmesa->swap_count++;
(*rmesa->get_ust)( & ust );
cx += dPriv->x;
cy = dPriv->y + dPriv->h - cy - ch;
- /* We have to emit state along with the clear, since the kernel relies on
- * some of it. The EmitState that was above R200_FIREVERTICES was an
- * attempt to do that, except that another context may come in and cause us
- * to lose our context while we're unlocked.
- */
- r200EmitState( rmesa );
-
LOCK_HARDWARE( rmesa );
/* Throttle the number of clear ioctls we do.
}
UNLOCK_HARDWARE( rmesa );
- rmesa->lost_context = 1;
+ rmesa->hw.all_dirty = GL_TRUE;
}
if (rmesa->dma.flush)
rmesa->dma.flush( rmesa );
- if (!is_empty_list(&rmesa->hw.dirty))
- r200EmitState( rmesa );
+ r200EmitState( rmesa );
if (rmesa->store.cmd_used)
r200FlushCmdBuf( rmesa, __FUNCTION__ );
extern GLuint r200GartOffsetFromVirtual( r200ContextPtr rmesa,
const GLvoid *pointer );
+void r200SaveHwState( r200ContextPtr rmesa );
+void r200SetUpAtomList( r200ContextPtr rmesa );
+
/* ================================================================
* Helper macros:
*/
#define R200_STATECHANGE( rmesa, ATOM ) \
do { \
R200_NEWPRIM( rmesa ); \
- move_to_head( &(rmesa->hw.dirty), &(rmesa->hw.ATOM)); \
+ rmesa->hw.ATOM.dirty = GL_TRUE; \
+ rmesa->hw.is_dirty = GL_TRUE; \
} while (0)
#define R200_DB_STATE( ATOM ) \
if (memcmp(atom->cmd, atom->lastcmd, atom->cmd_size*4)) {
int *tmp;
R200_NEWPRIM( rmesa );
- move_to_head( &(rmesa->hw.dirty), atom );
+ atom->dirty = GL_TRUE;
+ rmesa->hw.is_dirty = GL_TRUE;
tmp = atom->cmd;
atom->cmd = atom->lastcmd;
atom->lastcmd = tmp;
for ( i = 0 ; i < rmesa->nr_heaps ; i++ ) {
DRI_AGE_TEXTURES( rmesa->texture_heaps[ i ] );
}
+
+ rmesa->lost_context = GL_TRUE;
}
rmesa->dri.hwLock, \
rmesa->dri.hwContext ); \
DEBUG_RESET(); \
+ if (rmesa->save_on_next_unlock) { \
+ r200SaveHwState( rmesa ); \
+ rmesa->save_on_next_unlock = GL_FALSE; \
+ } \
} while (0)
#endif
fprintf(stderr, msg);
fprintf(stderr, ": ");
- foreach(l, &(rmesa->hw.dirty)) {
- fprintf(stderr, "%s, ", l->name);
+ foreach(l, &rmesa->hw.atomlist) {
+ if (l->dirty || rmesa->hw.all_dirty)
+ fprintf(stderr, "%s, ", l->name);
}
fprintf(stderr, "\n");
rmesa->state.pixel.readOffset = rmesa->state.color.drawOffset;
rmesa->state.pixel.readPitch = rmesa->state.color.drawPitch;
- /* Initialize lists:
- */
- make_empty_list(&(rmesa->hw.dirty)); rmesa->hw.dirty.name = "DIRTY";
- make_empty_list(&(rmesa->hw.clean)); rmesa->hw.clean.name = "CLEAN";
-
rmesa->hw.max_state_size = 0;
#define ALLOC_STATE( ATOM, CHK, SZ, NM, IDX ) \
rmesa->hw.ATOM.cmd_size = SZ; \
rmesa->hw.ATOM.cmd = (int *)CALLOC(SZ * sizeof(int)); \
rmesa->hw.ATOM.lastcmd = (int *)CALLOC(SZ * sizeof(int)); \
+ rmesa->hw.ATOM.savedcmd = (int *)CALLOC(SZ * sizeof(int)); \
rmesa->hw.ATOM.name = NM; \
rmesa->hw.ATOM.idx = IDX; \
- rmesa->hw.ATOM.check = check_##CHK; \
- insert_at_head(&(rmesa->hw.dirty), &(rmesa->hw.ATOM)); \
+ rmesa->hw.ATOM.check = check_##CHK; \
+ rmesa->hw.ATOM.dirty = GL_FALSE; \
rmesa->hw.max_state_size += SZ * sizeof(int); \
} while (0)
ALLOC_STATE( pix[4], tex, PIX_STATE_SIZE, "PIX/pixstage-4", 4 );
ALLOC_STATE( pix[5], tex, PIX_STATE_SIZE, "PIX/pixstage-5", 5 );
+ r200SetUpAtomList( rmesa );
/* Fill in the packet headers:
*/
r200LightingSpaceChange( ctx );
- rmesa->lost_context = 1;
+ r200SaveHwState( rmesa );
+ rmesa->hw.all_dirty = GL_TRUE;
}
projects / mesa.git / commitdiff