#include "brw_context.h"
#include "brw_defines.h"
#include "brw_draw.h"
+#include "brw_state.h"
#include "brw_vs.h"
#include "intel_tex.h"
#include "intel_blit.h"
GLuint nr_draw_regions;
struct intel_region *draw_regions[MAX_DRAW_BUFFERS];
struct intel_region *depth_region;
+
+ /**
+ * List of buffers accumulated in brw_validate_state to receive
+ * dri_bo_check_aperture treatment before exec, so we can know if we
+ * should flush the batch and try again before emitting primitives.
+ *
+ * This can be a fixed number as we only have a limited number of
+ * objects referenced from the batchbuffer in a primitive emit,
+ * consisting of the vertex buffers, pipelined state pointers,
+ * the CURBE, the depth buffer, and a query BO.
+ */
+ dri_bo *validated_bos[VERT_ATTRIB_MAX + 16];
+ int validated_bo_count;
} state;
struct brw_state_pointers attribs;
void brw_emit_query_begin(struct brw_context *brw);
void brw_emit_query_end(struct brw_context *brw);
-/*======================================================================
- * brw_state.c
- */
-void brw_validate_state( struct brw_context *brw );
-void brw_init_state( struct brw_context *brw );
-void brw_destroy_state( struct brw_context *brw );
-
-
/*======================================================================
* brw_state_dump.c
*/
dri_bo_subdata(brw->curbe.curbe_bo, brw->curbe.curbe_offset, bufsz, buf);
}
+ brw_add_validated_bo(brw, brw->curbe.curbe_bo);
/* Because this provokes an action (ie copy the constants into the
* URB), it shouldn't be shortcircuited if identical to the
{
struct intel_context *intel = &brw->intel;
GLuint sz = brw->curbe.total_size;
- dri_bo *aper_array[] = {
- brw->intel.batch->buf,
- brw->curbe.curbe_bo,
- };
-
- if (dri_bufmgr_check_aperture_space(aper_array, ARRAY_SIZE(aper_array))) {
- intel_batchbuffer_flush(intel->batch);
- return;
- }
BEGIN_BATCH(2, IGNORE_CLIPRECTS);
if (sz == 0) {
struct intel_context *intel = intel_context(ctx);
struct brw_context *brw = brw_context(ctx);
GLboolean retval = GL_FALSE;
+ GLboolean warn = GL_FALSE;
GLuint i;
if (ctx->NewState)
*/
brw_set_prim(brw, prim[0].mode);
- /* XXX: Need to separate validate and upload of state.
- */
brw_validate_state( brw );
/* Various fallback checks:
if (check_fallbacks( brw, prim, nr_prims ))
goto out;
+ /* Check that we can fit our state in with our existing batchbuffer, or
+ * flush otherwise.
+ */
+ if (dri_bufmgr_check_aperture_space(brw->state.validated_bos,
+ brw->state.validated_bo_count)) {
+ static GLboolean warned;
+ intel_batchbuffer_flush(intel->batch);
+
+ /* Validate the state after we flushed the batch (which would have
+ * changed the set of dirty state). If we still fail to
+ * check_aperture, warn of what's happening, but attempt to continue
+ * on since it may succeed anyway, and the user would probably rather
+ * see a failure and a warning than a fallback.
+ */
+ brw_validate_state(brw);
+ if (!warned &&
+ dri_bufmgr_check_aperture_space(brw->state.validated_bos,
+ brw->state.validated_bo_count)) {
+ warn = GL_TRUE;
+ warned = GL_TRUE;
+ }
+ }
+
+ brw_upload_state(brw);
+
for (i = 0; i < nr_prims; i++) {
brw_emit_prim(brw, &prim[i]);
}
out:
UNLOCK_HARDWARE(intel);
+ if (warn)
+ fprintf(stderr, "i965: Single primitive emit potentially exceeded "
+ "available aperture space\n");
+
if (!retval)
DBG("%s failed\n", __FUNCTION__);
wrap_buffers(brw, size);
}
+ assert(*bo_return == NULL);
dri_bo_reference(brw->vb.upload.bo);
*bo_return = brw->vb.upload.bo;
*offset_return = brw->vb.upload.offset;
-
brw->vb.upload.offset += size;
}
input->offset = (unsigned long)input->glarray->Ptr;
input->stride = input->glarray->StrideB;
} else {
+ if (input->bo != NULL) {
+ /* Already-uploaded vertex data is present from a previous
+ * prepare_vertices, but we had to re-validate state due to
+ * check_aperture failing and a new batch being produced.
+ */
+ continue;
+ }
+
/* Queue the buffer object up to be uploaded in the next pass,
* when we've decided if we're doing interleaved or not.
*/
}
brw_prepare_query_begin(brw);
+
+ for (i = 0; i < nr_enabled; i++) {
+ struct brw_vertex_element *input = enabled[i];
+
+ brw_add_validated_bo(brw, input->bo);
+ }
}
static void brw_emit_vertices(struct brw_context *brw)
struct intel_context *intel = &brw->intel;
const struct _mesa_index_buffer *index_buffer = brw->ib.ib;
GLuint ib_size;
- dri_bo *bo;
+ dri_bo *bo = NULL;
struct gl_buffer_object *bufferobj;
GLuint offset;
dri_bo_unreference(brw->ib.bo);
brw->ib.bo = bo;
brw->ib.offset = offset;
+
+ brw_add_validated_bo(brw, brw->ib.bo);
}
static void brw_emit_indices(struct brw_context *brw)
.emit = upload_drawing_rect
};
+static void prepare_binding_table_pointers(struct brw_context *brw)
+{
+ brw_add_validated_bo(brw, brw->wm.bind_bo);
+}
+
/**
* Upload the binding table pointers, which point each stage's array of surface
* state pointers.
static void upload_binding_table_pointers(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
- dri_bo *aper_array[] = {
- intel->batch->buf,
- brw->wm.bind_bo,
- };
-
- if (dri_bufmgr_check_aperture_space(aper_array, ARRAY_SIZE(aper_array))) {
- intel_batchbuffer_flush(intel->batch);
- return;
- }
BEGIN_BATCH(6, IGNORE_CLIPRECTS);
OUT_BATCH(CMD_BINDING_TABLE_PTRS << 16 | (6 - 2));
.brw = BRW_NEW_BATCH,
.cache = CACHE_NEW_SURF_BIND,
},
+ .prepare = prepare_binding_table_pointers,
.emit = upload_binding_table_pointers,
};
brw->state.dirty.brw |= BRW_NEW_PSP;
}
-static void upload_psp_urb_cbs(struct brw_context *brw )
+
+static void prepare_psp_urb_cbs(struct brw_context *brw)
{
- struct intel_context *intel = &brw->intel;
- dri_bo *aper_array[] = {
- intel->batch->buf,
- brw->vs.state_bo,
- brw->gs.state_bo,
- brw->clip.state_bo,
- brw->wm.state_bo,
- brw->cc.state_bo,
- };
-
- if (dri_bufmgr_check_aperture_space(aper_array, ARRAY_SIZE(aper_array))) {
- intel_batchbuffer_flush(intel->batch);
- return;
- }
+ brw_add_validated_bo(brw, brw->vs.state_bo);
+ brw_add_validated_bo(brw, brw->gs.state_bo);
+ brw_add_validated_bo(brw, brw->clip.state_bo);
+ brw_add_validated_bo(brw, brw->wm.state_bo);
+ brw_add_validated_bo(brw, brw->cc.state_bo);
+}
+static void upload_psp_urb_cbs(struct brw_context *brw )
+{
upload_pipelined_state_pointers(brw);
brw_upload_urb_fence(brw);
brw_upload_constant_buffer_state(brw);
CACHE_NEW_WM_UNIT |
CACHE_NEW_CC_UNIT)
},
+ .prepare = prepare_psp_urb_cbs,
.emit = upload_psp_urb_cbs,
};
+static void prepare_depthbuffer(struct brw_context *brw)
+{
+ struct intel_region *region = brw->state.depth_region;
+
+ if (region != NULL)
+ brw_add_validated_bo(brw, region->buffer);
+}
+
static void emit_depthbuffer(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
ADVANCE_BATCH();
} else {
unsigned int format;
- dri_bo *aper_array[] = {
- intel->batch->buf,
- region->buffer
- };
switch (region->cpp) {
case 2:
return;
}
- if (dri_bufmgr_check_aperture_space(aper_array, ARRAY_SIZE(aper_array))) {
- intel_batchbuffer_flush(intel->batch);
- return;
- }
-
BEGIN_BATCH(len, IGNORE_CLIPRECTS);
OUT_BATCH(CMD_DEPTH_BUFFER << 16 | (len - 2));
OUT_BATCH(((region->pitch * region->cpp) - 1) |
.brw = BRW_NEW_DEPTH_BUFFER | BRW_NEW_BATCH,
.cache = 0,
},
+ .prepare = prepare_depthbuffer,
.emit = emit_depthbuffer,
};
#include "main/imports.h"
#include "brw_context.h"
+#include "brw_state.h"
#include "intel_batchbuffer.h"
#include "intel_reg.h"
brw_prepare_query_begin(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
- dri_bo *aper_array[] = {
- intel->batch->buf,
- brw->query.bo,
- };
/* Skip if we're not doing any queries. */
if (is_empty_list(&brw->query.active_head))
brw->query.index = 0;
}
- if (dri_bufmgr_check_aperture_space(aper_array, ARRAY_SIZE(aper_array)))
- intel_batchbuffer_flush(intel->batch);
+ brw_add_validated_bo(brw, brw->query.bo);
}
/** Called just before primitive drawing to get a beginning PS_DEPTH_COUNT. */
#include "brw_context.h"
+static inline void
+brw_add_validated_bo(struct brw_context *brw, dri_bo *bo)
+{
+ assert(brw->state.validated_bo_count < ARRAY_SIZE(brw->state.validated_bos));
+
+ if (bo != NULL) {
+ dri_bo_reference(bo);
+ brw->state.validated_bos[brw->state.validated_bo_count++] = bo;
+ }
+};
const struct brw_tracked_state brw_blend_constant_color;
const struct brw_tracked_state brw_cc_unit;
const struct brw_tracked_state brw_indices;
const struct brw_tracked_state brw_vertices;
+/***********************************************************************
+ * brw_state.c
+ */
+void brw_validate_state(struct brw_context *brw);
+void brw_upload_state(struct brw_context *brw);
+void brw_init_state(struct brw_context *brw);
+void brw_destroy_state(struct brw_context *brw);
+
/***********************************************************************
* brw_state_cache.c
*/
result->cache = a->cache ^ b->cache;
}
+static void
+brw_clear_validated_bos(struct brw_context *brw)
+{
+ int i;
+
+ /* Clear the last round of validated bos */
+ for (i = 0; i < brw->state.validated_bo_count; i++) {
+ dri_bo_unreference(brw->state.validated_bos[i]);
+ brw->state.validated_bos[i] = NULL;
+ }
+ brw->state.validated_bo_count = 0;
+}
/***********************************************************************
* Emit all state:
{
struct intel_context *intel = &brw->intel;
struct brw_state_flags *state = &brw->state.dirty;
- GLuint i, count, pass = 0;
- dri_bo *last_batch_bo = NULL;
+ GLuint i;
+
+ brw_clear_validated_bos(brw);
state->mesa |= brw->intel.NewGLState;
brw->intel.NewGLState = 0;
+ brw_add_validated_bo(brw, intel->batch->buf);
+
if (brw->emit_state_always) {
state->mesa |= ~0;
state->brw |= ~0;
brw->intel.Fallback = 0;
- count = 0;
-
/* do prepare stage for all atoms */
for (i = 0; i < Elements(atoms); i++) {
const struct brw_tracked_state *atom = brw->state.atoms[i];
}
}
}
+}
- if (brw->intel.Fallback)
- return;
- /* We're about to try to set up a coherent state in the batchbuffer for
- * the emission of primitives. If we exceed the aperture size in any of the
- * emit() calls, we need to go back to square 1 and try setting up again.
- */
-got_flushed:
- dri_bo_unreference(last_batch_bo);
- last_batch_bo = intel->batch->buf;
- dri_bo_reference(last_batch_bo);
- assert(pass++ <= 2);
+void brw_upload_state(struct brw_context *brw)
+{
+ struct brw_state_flags *state = &brw->state.dirty;
+ int i;
+
+ brw_clear_validated_bos(brw);
if (INTEL_DEBUG) {
/* Debug version which enforces various sanity checks on the
if (check_state(state, &atom->dirty)) {
if (atom->emit) {
atom->emit( brw );
- if (intel->batch->buf != last_batch_bo)
- goto got_flushed;
}
}
if (check_state(state, &atom->dirty)) {
if (atom->emit) {
atom->emit( brw );
- if (intel->batch->buf != last_batch_bo)
- goto got_flushed;
}
}
}
}
- dri_bo_unreference(last_batch_bo);
-
if (!brw->intel.Fallback)
memset(state, 0, sizeof(*state));
}
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