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06ead9bcc1
Mesa/i965_aperture_call_for_Q3.patch

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diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_context.c mesa_haihao//src/mesa/drivers/dri/i965/brw_context.c
--- mesa_orig//src/mesa/drivers/dri/i965/brw_context.c 2009-01-12 13:29:40.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_context.c 2009-01-13 16:43:37.000000000 +0800
@@ -33,6 +33,7 @@
#include "brw_context.h"
#include "brw_defines.h"
#include "brw_draw.h"
+#include "brw_state.h"
#include "brw_vs.h"
#include "imports.h"
#include "intel_tex.h"
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_context.h mesa_haihao//src/mesa/drivers/dri/i965/brw_context.h
--- mesa_orig//src/mesa/drivers/dri/i965/brw_context.h 2009-01-12 13:29:36.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_context.h 2009-01-13 16:43:37.000000000 +0800
@@ -431,6 +431,19 @@ struct brw_context
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;
@@ -659,14 +672,6 @@ GLboolean brwCreateContext( const __GLco
/*======================================================================
- * 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
*/
void brw_debug_batch(struct intel_context *intel);
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_curbe.c mesa_haihao//src/mesa/drivers/dri/i965/brw_curbe.c
--- mesa_orig//src/mesa/drivers/dri/i965/brw_curbe.c 2009-01-12 13:29:40.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_curbe.c 2009-01-13 16:47:46.000000000 +0800
@@ -307,6 +307,7 @@ static void prepare_constant_buffer(stru
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
@@ -328,13 +329,6 @@ static void emit_constant_buffer(struct
{
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);
BEGIN_BATCH(2, IGNORE_CLIPRECTS);
if (sz == 0) {
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_draw.c mesa_haihao//src/mesa/drivers/dri/i965/brw_draw.c
--- mesa_orig//src/mesa/drivers/dri/i965/brw_draw.c 2009-01-12 13:29:37.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_draw.c 2009-01-13 16:43:37.000000000 +0800
@@ -105,6 +105,7 @@ static GLuint brw_set_prim(struct brw_co
}
brw_validate_state(brw);
+ brw_upload_state(brw);
}
return hw_prim[prim];
@@ -256,6 +257,7 @@ static GLboolean brw_try_draw_prims( GLc
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)
@@ -304,8 +306,6 @@ static GLboolean brw_try_draw_prims( GLc
*/
brw_set_prim(brw, prim[0].mode);
- /* XXX: Need to separate validate and upload of state.
- */
brw_validate_state( brw );
/* Various fallback checks:
@@ -316,6 +316,31 @@ static GLboolean brw_try_draw_prims( GLc
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]);
}
@@ -326,6 +351,10 @@ static GLboolean brw_try_draw_prims( GLc
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__);
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_draw_upload.c mesa_haihao//src/mesa/drivers/dri/i965/brw_draw_upload.c
--- mesa_orig//src/mesa/drivers/dri/i965/brw_draw_upload.c 2009-01-12 13:29:36.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_draw_upload.c 2009-01-13 16:43:37.000000000 +0800
@@ -250,10 +250,10 @@ static void get_space( struct brw_contex
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;
}
@@ -353,12 +353,21 @@ static void brw_prepare_vertices(struct
intel_buffer_object(input->glarray->BufferObj);
/* Named buffer object: Just reference its contents directly. */
+ dri_bo_unreference(input->bo);
input->bo = intel_bufferobj_buffer(intel, intel_buffer,
INTEL_READ);
dri_bo_reference(input->bo);
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.
*/
@@ -415,6 +424,11 @@ static void brw_prepare_vertices(struct
copy_array_to_vbo_array(brw, upload[i], upload[i]->element_size);
}
}
+
+ 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)
@@ -509,7 +523,7 @@ static void brw_prepare_indices(struct b
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;
@@ -558,6 +572,8 @@ static void brw_prepare_indices(struct b
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)
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_misc_state.c mesa_haihao//src/mesa/drivers/dri/i965/brw_misc_state.c
--- mesa_orig//src/mesa/drivers/dri/i965/brw_misc_state.c 2009-01-12 13:29:39.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_misc_state.c 2009-01-13 16:50:17.000000000 +0800
@@ -71,6 +71,11 @@ const struct brw_tracked_state brw_blend
.emit = upload_blend_constant_color
};
+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.
@@ -81,13 +86,6 @@ const struct brw_tracked_state brw_blend
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);
BEGIN_BATCH(6, IGNORE_CLIPRECTS);
OUT_BATCH(CMD_BINDING_TABLE_PTRS << 16 | (6 - 2));
@@ -107,6 +105,7 @@ const struct brw_tracked_state brw_bindi
.brw = BRW_NEW_BATCH,
.cache = CACHE_NEW_SURF_BIND,
},
+ .prepare = prepare_binding_table_pointers,
.emit = upload_binding_table_pointers,
};
@@ -140,21 +139,18 @@ static void upload_pipelined_state_point
brw->state.dirty.brw |= BRW_NEW_PSP;
}
+
+static void prepare_psp_urb_cbs(struct brw_context *brw)
+{
+ 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 )
{
- 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);
-
upload_pipelined_state_pointers(brw);
brw_upload_urb_fence(brw);
brw_upload_constant_buffer_state(brw);
@@ -172,9 +168,18 @@ const struct brw_tracked_state brw_psp_u
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;
@@ -196,10 +201,6 @@ static void emit_depthbuffer(struct brw_
ADVANCE_BATCH();
} else {
unsigned int format;
- dri_bo *aper_array[] = {
- intel->batch->buf,
- region->buffer
- };
switch (region->cpp) {
case 2:
@@ -216,9 +217,6 @@ static void emit_depthbuffer(struct brw_
return;
}
- if (dri_bufmgr_check_aperture_space(aper_array, ARRAY_SIZE(aper_array)))
- intel_batchbuffer_flush(intel->batch);
-
BEGIN_BATCH(len, IGNORE_CLIPRECTS);
OUT_BATCH(CMD_DEPTH_BUFFER << 16 | (len - 2));
OUT_BATCH(((region->pitch * region->cpp) - 1) |
@@ -247,6 +245,7 @@ const struct brw_tracked_state brw_depth
.brw = BRW_NEW_DEPTH_BUFFER | BRW_NEW_BATCH,
.cache = 0,
},
+ .prepare = prepare_depthbuffer,
.emit = emit_depthbuffer,
};
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_state.h mesa_haihao//src/mesa/drivers/dri/i965/brw_state.h
--- mesa_orig//src/mesa/drivers/dri/i965/brw_state.h 2009-01-12 13:29:39.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_state.h 2009-01-13 16:43:37.000000000 +0800
@@ -35,6 +35,16 @@
#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;
@@ -84,6 +94,14 @@ const struct brw_tracked_state brw_indic
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
*/
dri_bo *brw_cache_data(struct brw_cache *cache,
diff -urNap mesa_orig//src/mesa/drivers/dri/i965/brw_state_upload.c mesa_haihao//src/mesa/drivers/dri/i965/brw_state_upload.c
--- mesa_orig//src/mesa/drivers/dri/i965/brw_state_upload.c 2009-01-12 13:29:39.000000000 +0800
+++ mesa_haihao//src/mesa/drivers/dri/i965/brw_state_upload.c 2009-01-13 16:43:37.000000000 +0800
@@ -169,6 +169,18 @@ static void xor_states( struct brw_state
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:
@@ -177,12 +189,15 @@ void brw_validate_state( struct brw_cont
{
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->wrap)
state->brw |= BRW_NEW_CONTEXT;
@@ -211,8 +226,6 @@ void brw_validate_state( struct brw_cont
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];
@@ -226,19 +239,15 @@ void brw_validate_state( struct brw_cont
}
}
}
+}
- 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
@@ -263,8 +272,6 @@ got_flushed:
if (check_state(state, &atom->dirty)) {
if (atom->emit) {
atom->emit( brw );
- if (intel->batch->buf != last_batch_bo)
- goto got_flushed;
}
}
@@ -289,15 +296,11 @@ 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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