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i915tex: Fix up state changes for i8xx.

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(cherry picked from commit 2af613e0b8)
This commit is contained in:
Michel Dänzer 2007-11-30 11:40:06 +01:00
parent 169e62f563
commit e8997c0183
1 changed files with 56 additions and 6 deletions
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62
src/mesa/drivers/dri/i915tex/i830_vtbl.c
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@ -377,10 +377,16 @@ do { \
ADVANCE_BATCH(); \
} while (0)
static GLuint
get_dirty(struct i830_hw_state *state)
{
return state->active & ~state->emitted;
}
static GLuint
get_state_size(struct i830_hw_state *state)
{
GLuint dirty = state->active & ~state->emitted;
GLuint dirty = get_dirty(state);
GLuint sz = 0;
GLuint i;
@ -411,7 +417,7 @@ get_state_size(struct i830_hw_state *state)
/* Push the state into the sarea and/or texture memory.
*/
static void
i830_emit_state(struct intel_context *intel)
i830_do_emit_state(struct intel_context *intel)
{
struct i830_context *i830 = i830_context(&intel->ctx);
struct i830_hw_state *state = i830->current;
@ -428,10 +434,32 @@ i830_emit_state(struct intel_context *intel)
*/
intel_batchbuffer_require_space(intel->batch, get_state_size(state), 0);
/* Workaround. There are cases I haven't been able to track down
* where we aren't emitting a full state at the start of a new
* batchbuffer. This code spots that we are on a new batchbuffer
* and forces a full state emit no matter what.
*
* In the normal case state->emitted is already zero, this code is
* another set of checks to make sure it really is.
*/
if (intel->batch->id != intel->last_state_batch_id ||
intel->batch->map == intel->batch->ptr)
{
state->emitted = 0;
intel_batchbuffer_require_space(intel->batch, get_state_size(state), 0);
}
/* Do this here as we may have flushed the batchbuffer above,
* causing more state to be dirty!
*/
dirty = state->active & ~state->emitted;
dirty = get_dirty(state);
state->emitted |= dirty;
assert(get_dirty(state) == 0);
if (intel->batch->id != intel->last_state_batch_id) {
assert(dirty & I830_UPLOAD_CTX);
intel->last_state_batch_id = intel->batch->id;
}
if (dirty & I830_UPLOAD_INVARIENT) {
DBG("I830_UPLOAD_INVARIENT:\n");
@ -513,7 +541,30 @@ i830_emit_state(struct intel_context *intel)
}
}
state->emitted |= dirty;
intel->batch->dirty_state &= ~dirty;
assert(get_dirty(state) == 0);
}
static void
i830_emit_state(struct intel_context *intel)
{
struct i830_context *i830 = i830_context(&intel->ctx);
i830_do_emit_state( intel );
/* Second chance - catch batchbuffer wrap in the middle of state
* emit. This shouldn't happen but it has been observed in
* testing.
*/
if (get_dirty( i830->current )) {
/* Force a full re-emit if this happens.
*/
i830->current->emitted = 0;
i830_do_emit_state( intel );
}
assert(get_dirty(i830->current) == 0);
assert((intel->batch->dirty_state & (1<<1)) == 0);
}
static void
@ -650,8 +701,7 @@ i830_assert_not_dirty( struct intel_context *intel )
{
struct i830_context *i830 = i830_context(&intel->ctx);
struct i830_hw_state *state = i830->current;
GLuint dirty = state->active & ~state->emitted;
assert(!dirty);
assert(!get_dirty(state));
}