#define HAVE_LLVM 0
#endif
+#if HAVE_LLVM
+#include <llvm-c/TargetMachine.h>
+#endif
+
+#ifndef MESA_LLVM_VERSION_PATCH
+#define MESA_LLVM_VERSION_PATCH 0
+#endif
+
struct r600_multi_fence {
struct pipe_reference reference;
struct pipe_fence_handle *gfx;
* pipe_context
*/
+/**
+ * Write an EOP event.
+ *
+ * \param event EVENT_TYPE_*
+ * \param event_flags Optional cache flush flags (TC)
+ * \param data_sel 1 = fence, 3 = timestamp
+ * \param buf Buffer
+ * \param va GPU address
+ * \param old_value Previous fence value (for a bug workaround)
+ * \param new_value Fence value to write for this event.
+ */
+void r600_gfx_write_event_eop(struct r600_common_context *ctx,
+ unsigned event, unsigned event_flags,
+ unsigned data_sel,
+ struct r600_resource *buf, uint64_t va,
+ uint32_t old_fence, uint32_t new_fence)
+{
+ struct radeon_winsys_cs *cs = ctx->gfx.cs;
+ unsigned op = EVENT_TYPE(event) |
+ EVENT_INDEX(5) |
+ event_flags;
+
+ if (ctx->chip_class == CIK ||
+ ctx->chip_class == VI) {
+ /* Two EOP events are required to make all engines go idle
+ * (and optional cache flushes executed) before the timestamp
+ * is written.
+ */
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
+ radeon_emit(cs, op);
+ radeon_emit(cs, va);
+ radeon_emit(cs, ((va >> 32) & 0xffff) | EOP_DATA_SEL(data_sel));
+ radeon_emit(cs, old_fence); /* immediate data */
+ radeon_emit(cs, 0); /* unused */
+ }
+
+ radeon_emit(cs, PKT3(PKT3_EVENT_WRITE_EOP, 4, 0));
+ radeon_emit(cs, op);
+ radeon_emit(cs, va);
+ radeon_emit(cs, ((va >> 32) & 0xffff) | EOP_DATA_SEL(data_sel));
+ radeon_emit(cs, new_fence); /* immediate data */
+ radeon_emit(cs, 0); /* unused */
+
+ if (buf)
+ r600_emit_reloc(ctx, &ctx->gfx, buf, RADEON_USAGE_WRITE,
+ RADEON_PRIO_QUERY);
+}
+
+unsigned r600_gfx_write_fence_dwords(struct r600_common_screen *screen)
+{
+ unsigned dwords = 6;
+
+ if (screen->chip_class == CIK ||
+ screen->chip_class == VI)
+ dwords *= 2;
+
+ if (!screen->info.has_virtual_memory)
+ dwords += 2;
+
+ return dwords;
+}
+
+void r600_gfx_wait_fence(struct r600_common_context *ctx,
+ uint64_t va, uint32_t ref, uint32_t mask)
+{
+ struct radeon_winsys_cs *cs = ctx->gfx.cs;
+
+ radeon_emit(cs, PKT3(PKT3_WAIT_REG_MEM, 5, 0));
+ radeon_emit(cs, WAIT_REG_MEM_EQUAL | WAIT_REG_MEM_MEM_SPACE(1));
+ radeon_emit(cs, va);
+ radeon_emit(cs, va >> 32);
+ radeon_emit(cs, ref); /* reference value */
+ radeon_emit(cs, mask); /* mask */
+ radeon_emit(cs, 4); /* poll interval */
+}
+
void r600_draw_rectangle(struct blitter_context *blitter,
int x1, int y1, int x2, int y2, float depth,
enum blitter_attrib_type type,
/* Upload vertices. The hw rectangle has only 3 vertices,
* I guess the 4th one is derived from the first 3.
* The vertex specification should match u_blitter's vertex element state. */
- u_upload_alloc(rctx->uploader, 0, sizeof(float) * 24, 256, &offset, &buf, (void**)&vb);
+ u_upload_alloc(rctx->b.stream_uploader, 0, sizeof(float) * 24,
+ rctx->screen->info.tcc_cache_line_size,
+ &offset, &buf, (void**)&vb);
if (!buf)
return;
pipe_resource_reference(&buf, NULL);
}
+static void r600_dma_emit_wait_idle(struct r600_common_context *rctx)
+{
+ struct radeon_winsys_cs *cs = rctx->dma.cs;
+
+ /* NOP waits for idle on Evergreen and later. */
+ if (rctx->chip_class >= CIK)
+ radeon_emit(cs, 0x00000000); /* NOP */
+ else if (rctx->chip_class >= EVERGREEN)
+ radeon_emit(cs, 0xf0000000); /* NOP */
+ else {
+ /* TODO: R600-R700 should use the FENCE packet.
+ * CS checker support is required. */
+ }
+}
+
void r600_need_dma_space(struct r600_common_context *ctx, unsigned num_dw,
struct r600_resource *dst, struct r600_resource *src)
{
- uint64_t vram = 0, gtt = 0;
+ uint64_t vram = ctx->dma.cs->used_vram;
+ uint64_t gtt = ctx->dma.cs->used_gart;
if (dst) {
vram += dst->vram_usage;
/* Flush if there's not enough space, or if the memory usage per IB
* is too large.
+ *
+ * IBs using too little memory are limited by the IB submission overhead.
+ * IBs using too much memory are limited by the kernel/TTM overhead.
+ * Too long IBs create CPU-GPU pipeline bubbles and add latency.
+ *
+ * This heuristic makes sure that DMA requests are executed
+ * very soon after the call is made and lowers memory usage.
+ * It improves texture upload performance by keeping the DMA
+ * engine busy while uploads are being submitted.
*/
+ num_dw++; /* for emit_wait_idle below */
if (!ctx->ws->cs_check_space(ctx->dma.cs, num_dw) ||
+ ctx->dma.cs->used_vram + ctx->dma.cs->used_gart > 64 * 1024 * 1024 ||
!radeon_cs_memory_below_limit(ctx->screen, ctx->dma.cs, vram, gtt)) {
ctx->dma.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
assert((num_dw + ctx->dma.cs->current.cdw) <= ctx->dma.cs->current.max_dw);
}
+ /* Wait for idle if either buffer has been used in the IB before to
+ * prevent read-after-write hazards.
+ */
+ if ((dst &&
+ ctx->ws->cs_is_buffer_referenced(ctx->dma.cs, dst->buf,
+ RADEON_USAGE_READWRITE)) ||
+ (src &&
+ ctx->ws->cs_is_buffer_referenced(ctx->dma.cs, src->buf,
+ RADEON_USAGE_WRITE)))
+ r600_dma_emit_wait_idle(ctx);
+
/* If GPUVM is not supported, the CS checker needs 2 entries
* in the buffer list per packet, which has to be done manually.
*/
RADEON_USAGE_READ,
RADEON_PRIO_SDMA_BUFFER);
}
-}
-/* This is required to prevent read-after-write hazards. */
-void r600_dma_emit_wait_idle(struct r600_common_context *rctx)
-{
- struct radeon_winsys_cs *cs = rctx->dma.cs;
-
- /* done at the end of DMA calls, so increment this. */
- rctx->num_dma_calls++;
-
- /* IBs using too little memory are limited by the IB submission overhead.
- * IBs using too much memory are limited by the kernel/TTM overhead.
- * Too long IBs create CPU-GPU pipeline bubbles and add latency.
- *
- * This heuristic makes sure that DMA requests are executed
- * very soon after the call is made and lowers memory usage.
- * It improves texture upload performance by keeping the DMA
- * engine busy while uploads are being submitted.
- */
- if (cs->used_vram + cs->used_gart > 64 * 1024 * 1024) {
- rctx->dma.flush(rctx, RADEON_FLUSH_ASYNC, NULL);
- return;
- }
-
- r600_need_dma_space(rctx, 1, NULL, NULL);
-
- if (!radeon_emitted(cs, 0)) /* empty queue */
- return;
-
- /* NOP waits for idle on Evergreen and later. */
- if (rctx->chip_class >= CIK)
- radeon_emit(cs, 0x00000000); /* NOP */
- else if (rctx->chip_class >= EVERGREEN)
- radeon_emit(cs, 0xf0000000); /* NOP */
- else {
- /* TODO: R600-R700 should use the FENCE packet.
- * CS checker support is required. */
- }
+ /* this function is called before all DMA calls, so increment this. */
+ ctx->num_dma_calls++;
}
static void r600_memory_barrier(struct pipe_context *ctx, unsigned flags)
if (flags & PIPE_FLUSH_DEFERRED)
rflags |= RADEON_FLUSH_ASYNC;
- if (rctx->dma.cs) {
+ /* DMA IBs are preambles to gfx IBs, therefore must be flushed first. */
+ if (rctx->dma.cs)
rctx->dma.flush(rctx, rflags, fence ? &sdma_fence : NULL);
- }
if (!radeon_emitted(rctx->gfx.cs, rctx->initial_gfx_cs_size)) {
if (fence)
memset(&rctx->debug, 0, sizeof(rctx->debug));
}
+static void r600_set_device_reset_callback(struct pipe_context *ctx,
+ const struct pipe_device_reset_callback *cb)
+{
+ struct r600_common_context *rctx = (struct r600_common_context *)ctx;
+
+ if (cb)
+ rctx->device_reset_callback = *cb;
+ else
+ memset(&rctx->device_reset_callback, 0,
+ sizeof(rctx->device_reset_callback));
+}
+
+bool r600_check_device_reset(struct r600_common_context *rctx)
+{
+ enum pipe_reset_status status;
+
+ if (!rctx->device_reset_callback.reset)
+ return false;
+
+ if (!rctx->b.get_device_reset_status)
+ return false;
+
+ status = rctx->b.get_device_reset_status(&rctx->b);
+ if (status == PIPE_NO_RESET)
+ return false;
+
+ rctx->device_reset_callback.reset(rctx->device_reset_callback.data, status);
+ return true;
+}
+
+static void r600_dma_clear_buffer_fallback(struct pipe_context *ctx,
+ struct pipe_resource *dst,
+ uint64_t offset, uint64_t size,
+ unsigned value)
+{
+ struct r600_common_context *rctx = (struct r600_common_context *)ctx;
+
+ rctx->clear_buffer(ctx, dst, offset, size, value, R600_COHERENCY_NONE);
+}
+
bool r600_common_context_init(struct r600_common_context *rctx,
struct r600_common_screen *rscreen,
unsigned context_flags)
{
- util_slab_create(&rctx->pool_transfers,
- sizeof(struct r600_transfer), 64,
- UTIL_SLAB_SINGLETHREADED);
+ slab_create_child(&rctx->pool_transfers, &rscreen->pool_transfers);
rctx->screen = rscreen;
rctx->ws = rscreen->ws;
rctx->family = rscreen->family;
rctx->chip_class = rscreen->chip_class;
- if (rscreen->chip_class >= CIK)
- rctx->max_db = MAX2(8, rscreen->info.num_render_backends);
- else if (rscreen->chip_class >= EVERGREEN)
- rctx->max_db = 8;
- else
- rctx->max_db = 4;
-
rctx->b.invalidate_resource = r600_invalidate_resource;
rctx->b.transfer_map = u_transfer_map_vtbl;
rctx->b.transfer_flush_region = u_transfer_flush_region_vtbl;
rctx->b.memory_barrier = r600_memory_barrier;
rctx->b.flush = r600_flush_from_st;
rctx->b.set_debug_callback = r600_set_debug_callback;
+ rctx->dma_clear_buffer = r600_dma_clear_buffer_fallback;
/* evergreen_compute.c has a special codepath for global buffers.
* Everything else can use the direct path.
RADEON_GPU_RESET_COUNTER);
}
- LIST_INITHEAD(&rctx->texture_buffers);
+ rctx->b.set_device_reset_callback = r600_set_device_reset_callback;
r600_init_context_texture_functions(rctx);
r600_init_viewport_functions(rctx);
rctx->allocator_zeroed_memory =
u_suballocator_create(&rctx->b, rscreen->info.gart_page_size,
- 0, PIPE_USAGE_DEFAULT, true);
+ 0, PIPE_USAGE_DEFAULT, 0, true);
if (!rctx->allocator_zeroed_memory)
return false;
- rctx->uploader = u_upload_create(&rctx->b, 1024 * 1024,
- PIPE_BIND_INDEX_BUFFER |
- PIPE_BIND_CONSTANT_BUFFER, PIPE_USAGE_STREAM);
- if (!rctx->uploader)
+ rctx->b.stream_uploader = u_upload_create(&rctx->b, 1024 * 1024,
+ 0, PIPE_USAGE_STREAM);
+ if (!rctx->b.stream_uploader)
+ return false;
+
+ rctx->b.const_uploader = u_upload_create(&rctx->b, 128 * 1024,
+ 0, PIPE_USAGE_DEFAULT);
+ if (!rctx->b.const_uploader)
return false;
rctx->ctx = rctx->ws->ctx_create(rctx->ws);
r600_texture_reference(&rctx->dcc_stats[i].tex, NULL);
}
+ if (rctx->query_result_shader)
+ rctx->b.delete_compute_state(&rctx->b, rctx->query_result_shader);
+
if (rctx->gfx.cs)
rctx->ws->cs_destroy(rctx->gfx.cs);
if (rctx->dma.cs)
if (rctx->ctx)
rctx->ws->ctx_destroy(rctx->ctx);
- if (rctx->uploader) {
- u_upload_destroy(rctx->uploader);
- }
+ if (rctx->b.stream_uploader)
+ u_upload_destroy(rctx->b.stream_uploader);
+ if (rctx->b.const_uploader)
+ u_upload_destroy(rctx->b.const_uploader);
- util_slab_destroy(&rctx->pool_transfers);
+ slab_destroy_child(&rctx->pool_transfers);
if (rctx->allocator_zeroed_memory) {
u_suballocator_destroy(rctx->allocator_zeroed_memory);
rctx->ws->fence_reference(&rctx->last_sdma_fence, NULL);
}
-void r600_context_add_resource_size(struct pipe_context *ctx, struct pipe_resource *r)
-{
- struct r600_common_context *rctx = (struct r600_common_context *)ctx;
- struct r600_resource *rr = (struct r600_resource *)r;
-
- if (!r) {
- return;
- }
-
- /*
- * The idea is to compute a gross estimate of memory requirement of
- * each draw call. After each draw call, memory will be precisely
- * accounted. So the uncertainty is only on the current draw call.
- * In practice this gave very good estimate (+/- 10% of the target
- * memory limit).
- */
- rctx->vram += rr->vram_usage;
- rctx->gtt += rr->gart_usage;
-}
-
/*
* pipe_screen
*/
{ "notgsi", DBG_NO_TGSI, "Don't print the TGSI"},
{ "noasm", DBG_NO_ASM, "Don't print disassembled shaders"},
{ "preoptir", DBG_PREOPT_IR, "Print the LLVM IR before initial optimizations" },
+ { "checkir", DBG_CHECK_IR, "Enable additional sanity checks on shader IR" },
+ { "nooptvariant", DBG_NO_OPT_VARIANT, "Disable compiling optimized shader variants." },
{ "testdma", DBG_TEST_DMA, "Invoke SDMA tests and exit." },
case CHIP_FIJI: return "AMD FIJI";
case CHIP_POLARIS10: return "AMD POLARIS10";
case CHIP_POLARIS11: return "AMD POLARIS11";
+ case CHIP_POLARIS12: return "AMD POLARIS12";
case CHIP_STONEY: return "AMD STONEY";
default: return "AMD unknown";
}
}
+static void r600_disk_cache_create(struct r600_common_screen *rscreen)
+{
+ uint32_t mesa_timestamp;
+ if (disk_cache_get_function_timestamp(r600_disk_cache_create,
+ &mesa_timestamp)) {
+ char *timestamp_str;
+ int res = -1;
+ if (rscreen->chip_class < SI) {
+ res = asprintf(×tamp_str, "%u",mesa_timestamp);
+ }
+#if HAVE_LLVM
+ else {
+ uint32_t llvm_timestamp;
+ if (disk_cache_get_function_timestamp(LLVMInitializeAMDGPUTargetInfo,
+ &llvm_timestamp)) {
+ res = asprintf(×tamp_str, "%u_%u",
+ mesa_timestamp, llvm_timestamp);
+ }
+ }
+#endif
+ if (res != -1) {
+ rscreen->disk_shader_cache =
+ disk_cache_create(r600_get_chip_name(rscreen),
+ timestamp_str);
+ free(timestamp_str);
+ }
+ }
+}
+
+static struct disk_cache *r600_get_disk_shader_cache(struct pipe_screen *pscreen)
+{
+ struct r600_common_screen *rscreen = (struct r600_common_screen*)pscreen;
+ return rscreen->disk_shader_cache;
+}
+
static const char* r600_get_name(struct pipe_screen* pscreen)
{
struct r600_common_screen *rscreen = (struct r600_common_screen*)pscreen;
case CHIP_TONGA: return "tonga";
case CHIP_ICELAND: return "iceland";
case CHIP_CARRIZO: return "carrizo";
-#if HAVE_LLVM <= 0x0307
- case CHIP_FIJI: return "tonga";
- case CHIP_STONEY: return "carrizo";
-#else
- case CHIP_FIJI: return "fiji";
- case CHIP_STONEY: return "stoney";
-#endif
-#if HAVE_LLVM <= 0x0308
- case CHIP_POLARIS10: return "tonga";
- case CHIP_POLARIS11: return "tonga";
-#else
- case CHIP_POLARIS10: return "polaris10";
- case CHIP_POLARIS11: return "polaris11";
-#endif
- default: return "";
+ case CHIP_FIJI:
+ return HAVE_LLVM >= 0x0308 ? "fiji" : "carrizo";
+ case CHIP_STONEY:
+ return HAVE_LLVM >= 0x0308 ? "stoney" : "carrizo";
+ case CHIP_POLARIS10:
+ return HAVE_LLVM >= 0x0309 ? "polaris10" : "carrizo";
+ case CHIP_POLARIS11:
+ case CHIP_POLARIS12: /* same as polaris11 */
+ return HAVE_LLVM >= 0x0309 ? "polaris11" : "carrizo";
+ default:
+ return "";
}
}
if (rscreen->family <= CHIP_ARUBA) {
triple = "r600--";
} else {
- triple = "amdgcn--";
+ if (HAVE_LLVM < 0x0400) {
+ triple = "amdgcn--";
+ } else {
+ triple = "amdgcn-mesa-mesa3d";
+ }
}
switch(rscreen->family) {
/* Clang < 3.6 is missing Hainan in its list of
*max_threads_per_block = 256;
}
return sizeof(uint64_t);
+ case PIPE_COMPUTE_CAP_ADDRESS_BITS:
+ if (ret) {
+ uint32_t *address_bits = ret;
+ address_bits[0] = 32;
+ if (rscreen->chip_class >= SI)
+ address_bits[0] = 64;
+ }
+ return 1 * sizeof(uint32_t);
case PIPE_COMPUTE_CAP_MAX_GLOBAL_SIZE:
if (ret) {
*subgroup_size = r600_wavefront_size(rscreen->family);
}
return sizeof(uint32_t);
+ case PIPE_COMPUTE_CAP_MAX_VARIABLE_THREADS_PER_BLOCK:
+ if (ret) {
+ uint64_t *max_variable_threads_per_block = ret;
+ if (rscreen->chip_class >= SI && HAVE_LLVM >= 0x309 &&
+ ir_type == PIPE_SHADER_IR_TGSI)
+ *max_variable_threads_per_block = SI_MAX_VARIABLE_THREADS_PER_BLOCK;
+ else
+ *max_variable_threads_per_block = 0;
+ }
+ return sizeof(uint64_t);
}
fprintf(stderr, "unknown PIPE_COMPUTE_CAP %d\n", param);
info->device_memory_evicted =
ws->query_value(ws, RADEON_NUM_BYTES_MOVED) / 1024;
- /* Just return the number of evicted 64KB pages. */
- info->nr_device_memory_evictions = info->device_memory_evicted / 64;
+
+ if (rscreen->info.drm_major == 3 && rscreen->info.drm_minor >= 4)
+ info->nr_device_memory_evictions =
+ ws->query_value(ws, RADEON_NUM_EVICTIONS);
+ else
+ /* Just return the number of evicted 64KB pages. */
+ info->nr_device_memory_evictions = info->device_memory_evicted / 64;
}
struct pipe_resource *r600_resource_create_common(struct pipe_screen *screen,
const struct pipe_resource *templ)
{
- struct r600_common_screen *rscreen = (struct r600_common_screen*)screen;
-
if (templ->target == PIPE_BUFFER) {
- return r600_buffer_create(screen, templ,
- rscreen->info.gart_page_size);
+ return r600_buffer_create(screen, templ, 256);
} else {
return r600_texture_create(screen, templ);
}
snprintf(kernel_version, sizeof(kernel_version),
" / %s", uname_data.release);
-#if HAVE_LLVM
- snprintf(llvm_string, sizeof(llvm_string),
- ", LLVM %i.%i.%i", (HAVE_LLVM >> 8) & 0xff,
- HAVE_LLVM & 0xff, MESA_LLVM_VERSION_PATCH);
-#endif
+ if (HAVE_LLVM > 0) {
+ snprintf(llvm_string, sizeof(llvm_string),
+ ", LLVM %i.%i.%i", (HAVE_LLVM >> 8) & 0xff,
+ HAVE_LLVM & 0xff, MESA_LLVM_VERSION_PATCH);
+ }
snprintf(rscreen->renderer_string, sizeof(rscreen->renderer_string),
"%s (DRM %i.%i.%i%s%s)",
rscreen->b.get_name = r600_get_name;
rscreen->b.get_vendor = r600_get_vendor;
rscreen->b.get_device_vendor = r600_get_device_vendor;
+ rscreen->b.get_disk_shader_cache = r600_get_disk_shader_cache;
rscreen->b.get_compute_param = r600_get_compute_param;
rscreen->b.get_paramf = r600_get_paramf;
rscreen->b.get_timestamp = r600_get_timestamp;
rscreen->chip_class = rscreen->info.chip_class;
rscreen->debug_flags = debug_get_flags_option("R600_DEBUG", common_debug_options, 0);
+ r600_disk_cache_create(rscreen);
+
+ slab_create_parent(&rscreen->pool_transfers, sizeof(struct r600_transfer), 64);
+
rscreen->force_aniso = MIN2(16, debug_get_num_option("R600_TEX_ANISO", -1));
if (rscreen->force_aniso >= 0) {
printf("radeon: Forcing anisotropy filter to %ix\n",
printf("chip_class = %i\n", rscreen->info.chip_class);
printf("gart_size = %i MB\n", (int)DIV_ROUND_UP(rscreen->info.gart_size, 1024*1024));
printf("vram_size = %i MB\n", (int)DIV_ROUND_UP(rscreen->info.vram_size, 1024*1024));
+ printf("vram_vis_size = %i MB\n", (int)DIV_ROUND_UP(rscreen->info.vram_vis_size, 1024*1024));
printf("max_alloc_size = %i MB\n",
(int)DIV_ROUND_UP(rscreen->info.max_alloc_size, 1024*1024));
printf("has_virtual_memory = %i\n", rscreen->info.has_virtual_memory);
printf("num_render_backends = %i\n", rscreen->info.num_render_backends);
printf("num_tile_pipes = %i\n", rscreen->info.num_tile_pipes);
printf("pipe_interleave_bytes = %i\n", rscreen->info.pipe_interleave_bytes);
+ printf("enabled_rb_mask = 0x%x\n", rscreen->info.enabled_rb_mask);
}
return true;
}
pipe_mutex_destroy(rscreen->aux_context_lock);
rscreen->aux_context->destroy(rscreen->aux_context);
+ slab_destroy_parent(&rscreen->pool_transfers);
+
+ disk_cache_destroy(rscreen->disk_shader_cache);
rscreen->ws->destroy(rscreen->ws);
FREE(rscreen);
}
}
}
+bool r600_extra_shader_checks(struct r600_common_screen *rscreen, unsigned processor)
+{
+ return (rscreen->debug_flags & DBG_CHECK_IR) ||
+ r600_can_dump_shader(rscreen, processor);
+}
+
void r600_screen_clear_buffer(struct r600_common_screen *rscreen, struct pipe_resource *dst,
- uint64_t offset, uint64_t size, unsigned value,
- enum r600_coherency coher)
+ uint64_t offset, uint64_t size, unsigned value)
{
struct r600_common_context *rctx = (struct r600_common_context*)rscreen->aux_context;
pipe_mutex_lock(rscreen->aux_context_lock);
- rctx->clear_buffer(&rctx->b, dst, offset, size, value, coher);
+ rctx->dma_clear_buffer(&rctx->b, dst, offset, size, value);
rscreen->aux_context->flush(rscreen->aux_context, NULL, 0);
pipe_mutex_unlock(rscreen->aux_context_lock);
}