[40/55] radeonsi: move functions out of and remove r600_pipe_common.c

Submitted by Marek Olšák on April 2, 2018, 4:08 a.m.

Details

Message ID 1522642128-15348-41-git-send-email-maraeo@gmail.com
State Accepted
Commit a67ee02388db727a165fd14af313043789f43ad3
Headers show
Series "RadeonSI Mega cleanup" ( rev: 1 ) in Mesa

Not browsing as part of any series.

Commit Message

Marek Olšák April 2, 2018, 4:08 a.m.
From: Marek Olšák <marek.olsak@amd.com>

---
 src/gallium/drivers/radeon/Makefile.sources     |   1 -
 src/gallium/drivers/radeon/r600_buffer_common.c |  35 ++++
 src/gallium/drivers/radeon/r600_pipe_common.c   | 229 ------------------------
 src/gallium/drivers/radeon/r600_pipe_common.h   |   7 -
 src/gallium/drivers/radeonsi/si_pipe.c          | 147 ++++++++++++++-
 src/gallium/drivers/radeonsi/si_pipe.h          |   3 +
 6 files changed, 183 insertions(+), 239 deletions(-)
 delete mode 100644 src/gallium/drivers/radeon/r600_pipe_common.c

Patch hide | download patch | download mbox

diff --git a/src/gallium/drivers/radeon/Makefile.sources b/src/gallium/drivers/radeon/Makefile.sources
index f8ee860..2ecfeb0 100644
--- a/src/gallium/drivers/radeon/Makefile.sources
+++ b/src/gallium/drivers/radeon/Makefile.sources
@@ -3,7 +3,6 @@  C_SOURCES := \
 	r600_cs.h \
 	r600_gpu_load.c \
 	r600_perfcounter.c \
-	r600_pipe_common.c \
 	r600_pipe_common.h \
 	r600_query.c \
 	r600_query.h \
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index a8a7bda..b98065b 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -708,6 +708,40 @@  static struct pipe_resource *si_resource_create(struct pipe_screen *screen,
 	}
 }
 
+static bool si_resource_commit(struct pipe_context *pctx,
+			       struct pipe_resource *resource,
+			       unsigned level, struct pipe_box *box,
+			       bool commit)
+{
+	struct si_context *ctx = (struct si_context *)pctx;
+	struct r600_resource *res = r600_resource(resource);
+
+	/*
+	 * Since buffer commitment changes cannot be pipelined, we need to
+	 * (a) flush any pending commands that refer to the buffer we're about
+	 *     to change, and
+	 * (b) wait for threaded submit to finish, including those that were
+	 *     triggered by some other, earlier operation.
+	 */
+	if (radeon_emitted(ctx->b.gfx_cs, ctx->b.initial_gfx_cs_size) &&
+	    ctx->b.ws->cs_is_buffer_referenced(ctx->b.gfx_cs,
+					       res->buf, RADEON_USAGE_READWRITE)) {
+		si_flush_gfx_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
+	}
+	if (radeon_emitted(ctx->b.dma_cs, 0) &&
+	    ctx->b.ws->cs_is_buffer_referenced(ctx->b.dma_cs,
+					       res->buf, RADEON_USAGE_READWRITE)) {
+		si_flush_dma_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
+	}
+
+	ctx->b.ws->cs_sync_flush(ctx->b.dma_cs);
+	ctx->b.ws->cs_sync_flush(ctx->b.gfx_cs);
+
+	assert(resource->target == PIPE_BUFFER);
+
+	return ctx->b.ws->buffer_commit(res->buf, box->x, box->width, commit);
+}
+
 void si_init_screen_buffer_functions(struct si_screen *sscreen)
 {
 	sscreen->b.resource_create = si_resource_create;
@@ -723,4 +757,5 @@  void si_init_buffer_functions(struct si_context *sctx)
 	sctx->b.b.transfer_unmap = u_transfer_unmap_vtbl;
 	sctx->b.b.texture_subdata = u_default_texture_subdata;
 	sctx->b.b.buffer_subdata = si_buffer_subdata;
+	sctx->b.b.resource_commit = si_resource_commit;
 }
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
deleted file mode 100644
index 10a0da4..0000000
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ /dev/null
@@ -1,229 +0,0 @@ 
-/*
- * Copyright 2013 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "r600_pipe_common.h"
-#include "r600_cs.h"
-#include "util/u_memory.h"
-#include "util/u_upload_mgr.h"
-#include "radeon/radeon_video.h"
-
-/*
- * pipe_context
- */
-
-static enum pipe_reset_status si_get_reset_status(struct pipe_context *ctx)
-{
-	struct si_context *sctx = (struct si_context *)ctx;
-	unsigned latest = sctx->b.ws->query_value(sctx->b.ws,
-						  RADEON_GPU_RESET_COUNTER);
-
-	if (sctx->b.gpu_reset_counter == latest)
-		return PIPE_NO_RESET;
-
-	sctx->b.gpu_reset_counter = latest;
-	return PIPE_UNKNOWN_CONTEXT_RESET;
-}
-
-static void si_set_device_reset_callback(struct pipe_context *ctx,
-					   const struct pipe_device_reset_callback *cb)
-{
-	struct si_context *sctx = (struct si_context *)ctx;
-
-	if (cb)
-		sctx->b.device_reset_callback = *cb;
-	else
-		memset(&sctx->b.device_reset_callback, 0,
-		       sizeof(sctx->b.device_reset_callback));
-}
-
-bool si_check_device_reset(struct si_context *sctx)
-{
-	enum pipe_reset_status status;
-
-	if (!sctx->b.device_reset_callback.reset)
-		return false;
-
-	if (!sctx->b.b.get_device_reset_status)
-		return false;
-
-	status = sctx->b.b.get_device_reset_status(&sctx->b.b);
-	if (status == PIPE_NO_RESET)
-		return false;
-
-	sctx->b.device_reset_callback.reset(sctx->b.device_reset_callback.data, status);
-	return true;
-}
-
-static bool si_resource_commit(struct pipe_context *pctx,
-			       struct pipe_resource *resource,
-			       unsigned level, struct pipe_box *box,
-			       bool commit)
-{
-	struct si_context *ctx = (struct si_context *)pctx;
-	struct r600_resource *res = r600_resource(resource);
-
-	/*
-	 * Since buffer commitment changes cannot be pipelined, we need to
-	 * (a) flush any pending commands that refer to the buffer we're about
-	 *     to change, and
-	 * (b) wait for threaded submit to finish, including those that were
-	 *     triggered by some other, earlier operation.
-	 */
-	if (radeon_emitted(ctx->b.gfx_cs, ctx->b.initial_gfx_cs_size) &&
-	    ctx->b.ws->cs_is_buffer_referenced(ctx->b.gfx_cs,
-					       res->buf, RADEON_USAGE_READWRITE)) {
-		si_flush_gfx_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
-	}
-	if (radeon_emitted(ctx->b.dma_cs, 0) &&
-	    ctx->b.ws->cs_is_buffer_referenced(ctx->b.dma_cs,
-					       res->buf, RADEON_USAGE_READWRITE)) {
-		si_flush_dma_cs(ctx, PIPE_FLUSH_ASYNC, NULL);
-	}
-
-	ctx->b.ws->cs_sync_flush(ctx->b.dma_cs);
-	ctx->b.ws->cs_sync_flush(ctx->b.gfx_cs);
-
-	assert(resource->target == PIPE_BUFFER);
-
-	return ctx->b.ws->buffer_commit(res->buf, box->x, box->width, commit);
-}
-
-bool si_common_context_init(struct si_context *sctx,
-			    struct si_screen *sscreen,
-			    unsigned context_flags)
-{
-
-	slab_create_child(&sctx->b.pool_transfers, &sscreen->pool_transfers);
-	slab_create_child(&sctx->b.pool_transfers_unsync, &sscreen->pool_transfers);
-
-	sctx->b.screen = sscreen;
-	sctx->b.ws = sscreen->ws;
-	sctx->b.family = sscreen->info.family;
-	sctx->b.chip_class = sscreen->info.chip_class;
-
-	sctx->b.b.resource_commit = si_resource_commit;
-
-	if (sscreen->info.drm_major == 2 && sscreen->info.drm_minor >= 43) {
-		sctx->b.b.get_device_reset_status = si_get_reset_status;
-		sctx->b.gpu_reset_counter =
-				sctx->b.ws->query_value(sctx->b.ws,
-							RADEON_GPU_RESET_COUNTER);
-	}
-
-	sctx->b.b.set_device_reset_callback = si_set_device_reset_callback;
-
-	si_init_context_texture_functions(sctx);
-	si_init_query_functions(sctx);
-
-	if (sctx->b.chip_class == CIK ||
-	    sctx->b.chip_class == VI ||
-	    sctx->b.chip_class == GFX9) {
-		sctx->b.eop_bug_scratch = (struct r600_resource*)
-					  pipe_buffer_create(&sscreen->b, 0, PIPE_USAGE_DEFAULT,
-							     16 * sscreen->info.num_render_backends);
-		if (!sctx->b.eop_bug_scratch)
-			return false;
-	}
-
-	sctx->b.allocator_zeroed_memory =
-			u_suballocator_create(&sctx->b.b, sscreen->info.gart_page_size,
-					      0, PIPE_USAGE_DEFAULT, 0, true);
-	if (!sctx->b.allocator_zeroed_memory)
-		return false;
-
-	sctx->b.b.stream_uploader = u_upload_create(&sctx->b.b, 1024 * 1024,
-						    0, PIPE_USAGE_STREAM,
-						    R600_RESOURCE_FLAG_READ_ONLY);
-	if (!sctx->b.b.stream_uploader)
-		return false;
-
-	sctx->b.b.const_uploader = u_upload_create(&sctx->b.b, 128 * 1024,
-						   0, PIPE_USAGE_DEFAULT,
-						   R600_RESOURCE_FLAG_32BIT |
-						   (sscreen->cpdma_prefetch_writes_memory ?
-							    0 : R600_RESOURCE_FLAG_READ_ONLY));
-	if (!sctx->b.b.const_uploader)
-		return false;
-
-	sctx->b.cached_gtt_allocator = u_upload_create(&sctx->b.b, 16 * 1024,
-						       0, PIPE_USAGE_STAGING, 0);
-	if (!sctx->b.cached_gtt_allocator)
-		return false;
-
-	sctx->b.ctx = sctx->b.ws->ctx_create(sctx->b.ws);
-	if (!sctx->b.ctx)
-		return false;
-
-	if (sscreen->info.num_sdma_rings && !(sscreen->debug_flags & DBG(NO_ASYNC_DMA))) {
-		sctx->b.dma_cs = sctx->b.ws->cs_create(sctx->b.ctx, RING_DMA,
-						       (void*)si_flush_dma_cs,
-						       sctx);
-	}
-
-	return true;
-}
-
-void si_common_context_cleanup(struct si_context *sctx)
-{
-	unsigned i,j;
-
-	/* Release DCC stats. */
-	for (i = 0; i < ARRAY_SIZE(sctx->b.dcc_stats); i++) {
-		assert(!sctx->b.dcc_stats[i].query_active);
-
-		for (j = 0; j < ARRAY_SIZE(sctx->b.dcc_stats[i].ps_stats); j++)
-			if (sctx->b.dcc_stats[i].ps_stats[j])
-				sctx->b.b.destroy_query(&sctx->b.b,
-							sctx->b.dcc_stats[i].ps_stats[j]);
-
-		r600_texture_reference(&sctx->b.dcc_stats[i].tex, NULL);
-	}
-
-	if (sctx->b.query_result_shader)
-		sctx->b.b.delete_compute_state(&sctx->b.b, sctx->b.query_result_shader);
-
-	if (sctx->b.gfx_cs)
-		sctx->b.ws->cs_destroy(sctx->b.gfx_cs);
-	if (sctx->b.dma_cs)
-		sctx->b.ws->cs_destroy(sctx->b.dma_cs);
-	if (sctx->b.ctx)
-		sctx->b.ws->ctx_destroy(sctx->b.ctx);
-
-	if (sctx->b.b.stream_uploader)
-		u_upload_destroy(sctx->b.b.stream_uploader);
-	if (sctx->b.b.const_uploader)
-		u_upload_destroy(sctx->b.b.const_uploader);
-	if (sctx->b.cached_gtt_allocator)
-		u_upload_destroy(sctx->b.cached_gtt_allocator);
-
-	slab_destroy_child(&sctx->b.pool_transfers);
-	slab_destroy_child(&sctx->b.pool_transfers_unsync);
-
-	if (sctx->b.allocator_zeroed_memory) {
-		u_suballocator_destroy(sctx->b.allocator_zeroed_memory);
-	}
-	sctx->b.ws->fence_reference(&sctx->b.last_gfx_fence, NULL);
-	sctx->b.ws->fence_reference(&sctx->b.last_sdma_fence, NULL);
-	r600_resource_reference(&sctx->b.eop_bug_scratch, NULL);
-}
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index b27ed41..37896ec 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -503,13 +503,6 @@  void si_replace_buffer_storage(struct pipe_context *ctx,
 void si_init_screen_buffer_functions(struct si_screen *sscreen);
 void si_init_buffer_functions(struct si_context *sctx);
 
-/* r600_common_pipe.c */
-bool si_common_context_init(struct si_context *sctx,
-			    struct si_screen *sscreen,
-			    unsigned context_flags);
-void si_common_context_cleanup(struct si_context *sctx);
-bool si_check_device_reset(struct si_context *sctx);
-
 /* r600_gpu_load.c */
 void si_gpu_load_kill_thread(struct si_screen *sscreen);
 uint64_t si_begin_counter(struct si_screen *sscreen, unsigned type);
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 52dbd11..626a36e 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -34,6 +34,7 @@ 
 #include "util/u_memory.h"
 #include "util/u_suballoc.h"
 #include "util/u_tests.h"
+#include "util/u_upload_mgr.h"
 #include "util/xmlconfig.h"
 #include "vl/vl_decoder.h"
 #include "../ddebug/dd_util.h"
@@ -159,7 +160,44 @@  static void si_destroy_context(struct pipe_context *context)
 	if (sctx->blitter)
 		util_blitter_destroy(sctx->blitter);
 
-	si_common_context_cleanup(sctx);
+	/* Release DCC stats. */
+	for (int i = 0; i < ARRAY_SIZE(sctx->b.dcc_stats); i++) {
+		assert(!sctx->b.dcc_stats[i].query_active);
+
+		for (int j = 0; j < ARRAY_SIZE(sctx->b.dcc_stats[i].ps_stats); j++)
+			if (sctx->b.dcc_stats[i].ps_stats[j])
+				sctx->b.b.destroy_query(&sctx->b.b,
+							sctx->b.dcc_stats[i].ps_stats[j]);
+
+		r600_texture_reference(&sctx->b.dcc_stats[i].tex, NULL);
+	}
+
+	if (sctx->b.query_result_shader)
+		sctx->b.b.delete_compute_state(&sctx->b.b, sctx->b.query_result_shader);
+
+	if (sctx->b.gfx_cs)
+		sctx->b.ws->cs_destroy(sctx->b.gfx_cs);
+	if (sctx->b.dma_cs)
+		sctx->b.ws->cs_destroy(sctx->b.dma_cs);
+	if (sctx->b.ctx)
+		sctx->b.ws->ctx_destroy(sctx->b.ctx);
+
+	if (sctx->b.b.stream_uploader)
+		u_upload_destroy(sctx->b.b.stream_uploader);
+	if (sctx->b.b.const_uploader)
+		u_upload_destroy(sctx->b.b.const_uploader);
+	if (sctx->b.cached_gtt_allocator)
+		u_upload_destroy(sctx->b.cached_gtt_allocator);
+
+	slab_destroy_child(&sctx->b.pool_transfers);
+	slab_destroy_child(&sctx->b.pool_transfers_unsync);
+
+	if (sctx->b.allocator_zeroed_memory)
+		u_suballocator_destroy(sctx->b.allocator_zeroed_memory);
+
+	sctx->b.ws->fence_reference(&sctx->b.last_gfx_fence, NULL);
+	sctx->b.ws->fence_reference(&sctx->b.last_sdma_fence, NULL);
+	r600_resource_reference(&sctx->b.eop_bug_scratch, NULL);
 
 	LLVMDisposeTargetMachine(sctx->tm);
 
@@ -184,6 +222,49 @@  si_amdgpu_get_reset_status(struct pipe_context *ctx)
 	return sctx->b.ws->ctx_query_reset_status(sctx->b.ctx);
 }
 
+static enum pipe_reset_status si_get_reset_status(struct pipe_context *ctx)
+{
+	struct si_context *sctx = (struct si_context *)ctx;
+	unsigned latest = sctx->b.ws->query_value(sctx->b.ws,
+						  RADEON_GPU_RESET_COUNTER);
+
+	if (sctx->b.gpu_reset_counter == latest)
+		return PIPE_NO_RESET;
+
+	sctx->b.gpu_reset_counter = latest;
+	return PIPE_UNKNOWN_CONTEXT_RESET;
+}
+
+static void si_set_device_reset_callback(struct pipe_context *ctx,
+					   const struct pipe_device_reset_callback *cb)
+{
+	struct si_context *sctx = (struct si_context *)ctx;
+
+	if (cb)
+		sctx->b.device_reset_callback = *cb;
+	else
+		memset(&sctx->b.device_reset_callback, 0,
+		       sizeof(sctx->b.device_reset_callback));
+}
+
+bool si_check_device_reset(struct si_context *sctx)
+{
+	enum pipe_reset_status status;
+
+	if (!sctx->b.device_reset_callback.reset)
+		return false;
+
+	if (!sctx->b.b.get_device_reset_status)
+		return false;
+
+	status = sctx->b.b.get_device_reset_status(&sctx->b.b);
+	if (status == PIPE_NO_RESET)
+		return false;
+
+	sctx->b.device_reset_callback.reset(sctx->b.device_reset_callback.data, status);
+	return true;
+}
+
 /* Apitrace profiling:
  *   1) qapitrace : Tools -> Profile: Measure CPU & GPU times
  *   2) In the middle panel, zoom in (mouse wheel) on some bad draw call
@@ -263,9 +344,71 @@  static struct pipe_context *si_create_context(struct pipe_screen *screen,
 	sctx->screen = sscreen; /* Easy accessing of screen/winsys. */
 	sctx->is_debug = (flags & PIPE_CONTEXT_DEBUG) != 0;
 
-	if (!si_common_context_init(sctx, sscreen, flags))
+	slab_create_child(&sctx->b.pool_transfers, &sscreen->pool_transfers);
+	slab_create_child(&sctx->b.pool_transfers_unsync, &sscreen->pool_transfers);
+
+	sctx->b.screen = sscreen;
+	sctx->b.ws = sscreen->ws;
+	sctx->b.family = sscreen->info.family;
+	sctx->b.chip_class = sscreen->info.chip_class;
+
+	if (sscreen->info.drm_major == 2 && sscreen->info.drm_minor >= 43) {
+		sctx->b.b.get_device_reset_status = si_get_reset_status;
+		sctx->b.gpu_reset_counter =
+				sctx->b.ws->query_value(sctx->b.ws,
+							RADEON_GPU_RESET_COUNTER);
+	}
+
+	sctx->b.b.set_device_reset_callback = si_set_device_reset_callback;
+
+	si_init_context_texture_functions(sctx);
+	si_init_query_functions(sctx);
+
+	if (sctx->b.chip_class == CIK ||
+	    sctx->b.chip_class == VI ||
+	    sctx->b.chip_class == GFX9) {
+		sctx->b.eop_bug_scratch = (struct r600_resource*)
+					  pipe_buffer_create(&sscreen->b, 0, PIPE_USAGE_DEFAULT,
+							     16 * sscreen->info.num_render_backends);
+		if (!sctx->b.eop_bug_scratch)
+			goto fail;
+	}
+
+	sctx->b.allocator_zeroed_memory =
+			u_suballocator_create(&sctx->b.b, sscreen->info.gart_page_size,
+					      0, PIPE_USAGE_DEFAULT, 0, true);
+	if (!sctx->b.allocator_zeroed_memory)
+		goto fail;
+
+	sctx->b.b.stream_uploader = u_upload_create(&sctx->b.b, 1024 * 1024,
+						    0, PIPE_USAGE_STREAM,
+						    R600_RESOURCE_FLAG_READ_ONLY);
+	if (!sctx->b.b.stream_uploader)
+		goto fail;
+
+	sctx->b.b.const_uploader = u_upload_create(&sctx->b.b, 128 * 1024,
+						   0, PIPE_USAGE_DEFAULT,
+						   R600_RESOURCE_FLAG_32BIT |
+						   (sscreen->cpdma_prefetch_writes_memory ?
+							    0 : R600_RESOURCE_FLAG_READ_ONLY));
+	if (!sctx->b.b.const_uploader)
 		goto fail;
 
+	sctx->b.cached_gtt_allocator = u_upload_create(&sctx->b.b, 16 * 1024,
+						       0, PIPE_USAGE_STAGING, 0);
+	if (!sctx->b.cached_gtt_allocator)
+		goto fail;
+
+	sctx->b.ctx = sctx->b.ws->ctx_create(sctx->b.ws);
+	if (!sctx->b.ctx)
+		goto fail;
+
+	if (sscreen->info.num_sdma_rings && !(sscreen->debug_flags & DBG(NO_ASYNC_DMA))) {
+		sctx->b.dma_cs = sctx->b.ws->cs_create(sctx->b.ctx, RING_DMA,
+						       (void*)si_flush_dma_cs,
+						       sctx);
+	}
+
 	if (sscreen->info.drm_major == 3)
 		sctx->b.b.get_device_reset_status = si_amdgpu_get_reset_status;
 
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 451a353..4a924d3 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -759,6 +759,9 @@  void si_init_compute_functions(struct si_context *sctx);
 /* si_perfcounters.c */
 void si_init_perfcounters(struct si_screen *screen);
 
+/* si_pipe.c */
+bool si_check_device_reset(struct si_context *sctx);
+
 /* si_test_dma.c */
 void si_test_dma(struct si_screen *sscreen);