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-rw-r--r--src/intel/vulkan/anv_cmd_buffer.c29
-rw-r--r--src/intel/vulkan/anv_device.c25
-rw-r--r--src/intel/vulkan/anv_extensions.py2
-rw-r--r--src/intel/vulkan/anv_pipeline.c11
-rw-r--r--src/intel/vulkan/anv_private.h13
-rw-r--r--src/intel/vulkan/genX_cmd_buffer.c129
-rw-r--r--src/intel/vulkan/genX_pipeline.c122
7 files changed, 329 insertions, 2 deletions
diff --git a/src/intel/vulkan/anv_cmd_buffer.c b/src/intel/vulkan/anv_cmd_buffer.c
index 7b3a3a47dd5..53303e0e745 100644
--- a/src/intel/vulkan/anv_cmd_buffer.c
+++ b/src/intel/vulkan/anv_cmd_buffer.c
@@ -653,6 +653,35 @@ void anv_CmdBindVertexBuffers(
}
}
+void anv_CmdBindTransformFeedbackBuffersEXT(
+ VkCommandBuffer commandBuffer,
+ uint32_t firstBinding,
+ uint32_t bindingCount,
+ const VkBuffer* pBuffers,
+ const VkDeviceSize* pOffsets,
+ const VkDeviceSize* pSizes)
+{
+ ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
+ struct anv_xfb_binding *xfb = cmd_buffer->state.xfb_bindings;
+
+ /* We have to defer setting up vertex buffer since we need the buffer
+ * stride from the pipeline. */
+
+ assert(firstBinding + bindingCount <= MAX_XFB_BUFFERS);
+ for (uint32_t i = 0; i < bindingCount; i++) {
+ if (pBuffers[i] == VK_NULL_HANDLE) {
+ xfb[firstBinding + i].buffer = NULL;
+ } else {
+ ANV_FROM_HANDLE(anv_buffer, buffer, pBuffers[i]);
+ xfb[firstBinding + i].buffer = buffer;
+ xfb[firstBinding + i].offset = pOffsets[i];
+ xfb[firstBinding + i].size =
+ anv_buffer_get_range(buffer, pOffsets[i],
+ pSizes ? pSizes[i] : VK_WHOLE_SIZE);
+ }
+ }
+}
+
enum isl_format
anv_isl_format_for_descriptor_type(VkDescriptorType type)
{
diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 9d8a982110b..6a5e51d0e91 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -970,6 +970,14 @@ void anv_GetPhysicalDeviceFeatures2(
break;
}
+ case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_FEATURES_EXT: {
+ VkPhysicalDeviceTransformFeedbackFeaturesEXT *features =
+ (VkPhysicalDeviceTransformFeedbackFeaturesEXT *)ext;
+ features->transformFeedback = VK_TRUE;
+ features->geometryStreams = VK_TRUE;
+ break;
+ }
+
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_ATTRIBUTE_DIVISOR_FEATURES_EXT: {
VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT *features =
(VkPhysicalDeviceVertexAttributeDivisorFeaturesEXT *)ext;
@@ -1287,6 +1295,23 @@ void anv_GetPhysicalDeviceProperties2(
break;
}
+ case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_PROPERTIES_EXT: {
+ VkPhysicalDeviceTransformFeedbackPropertiesEXT *props =
+ (VkPhysicalDeviceTransformFeedbackPropertiesEXT *)ext;
+
+ props->maxTransformFeedbackStreams = MAX_XFB_STREAMS;
+ props->maxTransformFeedbackBuffers = MAX_XFB_BUFFERS;
+ props->maxTransformFeedbackBufferSize = (1ull << 32);
+ props->maxTransformFeedbackStreamDataSize = 128 * 4;
+ props->maxTransformFeedbackBufferDataSize = 128 * 4;
+ props->maxTransformFeedbackBufferDataStride = 2048;
+ props->transformFeedbackQueries = VK_FALSE;
+ props->transformFeedbackStreamsLinesTriangles = VK_FALSE;
+ props->transformFeedbackRasterizationStreamSelect = VK_FALSE;
+ props->transformFeedbackDraw = VK_FALSE;
+ break;
+ }
+
case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_ATTRIBUTE_DIVISOR_PROPERTIES_EXT: {
VkPhysicalDeviceVertexAttributeDivisorPropertiesEXT *props =
(VkPhysicalDeviceVertexAttributeDivisorPropertiesEXT *)ext;
diff --git a/src/intel/vulkan/anv_extensions.py b/src/intel/vulkan/anv_extensions.py
index 29875f3fbce..22bad94e5b8 100644
--- a/src/intel/vulkan/anv_extensions.py
+++ b/src/intel/vulkan/anv_extensions.py
@@ -132,7 +132,7 @@ EXTENSIONS = [
Extension('VK_EXT_scalar_block_layout', 1, True),
Extension('VK_EXT_shader_viewport_index_layer', 1, True),
Extension('VK_EXT_shader_stencil_export', 1, 'device->info.gen >= 9'),
- Extension('VK_EXT_transform_feedback', 1, False),
+ Extension('VK_EXT_transform_feedback', 1, True),
Extension('VK_EXT_vertex_attribute_divisor', 3, True),
Extension('VK_GOOGLE_decorate_string', 1, True),
Extension('VK_GOOGLE_hlsl_functionality1', 1, True),
diff --git a/src/intel/vulkan/anv_pipeline.c b/src/intel/vulkan/anv_pipeline.c
index 75e3c362a1d..be869cfa061 100644
--- a/src/intel/vulkan/anv_pipeline.c
+++ b/src/intel/vulkan/anv_pipeline.c
@@ -32,6 +32,7 @@
#include "anv_private.h"
#include "compiler/brw_nir.h"
#include "anv_nir.h"
+#include "nir/nir_xfb_info.h"
#include "spirv/nir_spirv.h"
#include "vk_util.h"
@@ -138,6 +139,7 @@ anv_shader_compile_to_nir(struct anv_device *device,
.device_group = true,
.draw_parameters = true,
.float64 = pdevice->info.gen >= 8,
+ .geometry_streams = true,
.image_write_without_format = true,
.int16 = pdevice->info.gen >= 8,
.int64 = pdevice->info.gen >= 8,
@@ -155,6 +157,7 @@ anv_shader_compile_to_nir(struct anv_device *device,
.subgroup_shuffle = true,
.subgroup_vote = true,
.tessellation = true,
+ .transform_feedback = pdevice->info.gen >= 8,
.variable_pointers = true,
},
.ubo_ptr_type = glsl_vector_type(GLSL_TYPE_UINT, 2),
@@ -1082,6 +1085,12 @@ anv_pipeline_compile_graphics(struct anv_pipeline *pipeline,
void *stage_ctx = ralloc_context(NULL);
+ nir_xfb_info *xfb_info = NULL;
+ if (s == MESA_SHADER_VERTEX ||
+ s == MESA_SHADER_TESS_EVAL ||
+ s == MESA_SHADER_GEOMETRY)
+ xfb_info = nir_gather_xfb_info(stages[s].nir, stage_ctx);
+
anv_pipeline_lower_nir(pipeline, stage_ctx, &stages[s], layout);
const unsigned *code;
@@ -1123,7 +1132,7 @@ anv_pipeline_compile_graphics(struct anv_pipeline *pipeline,
stages[s].nir->constant_data_size,
&stages[s].prog_data.base,
brw_prog_data_size(s),
- NULL, &stages[s].bind_map);
+ xfb_info, &stages[s].bind_map);
if (!bin) {
ralloc_free(stage_ctx);
result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index 6e89ab7a80b..3889065c93c 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -151,6 +151,8 @@ struct gen_l3_config;
#define ANV_HZ_FC_VAL 1.0f
#define MAX_VBS 28
+#define MAX_XFB_BUFFERS 4
+#define MAX_XFB_STREAMS 4
#define MAX_SETS 8
#define MAX_RTS 8
#define MAX_VIEWPORTS 16
@@ -1769,6 +1771,7 @@ enum anv_cmd_dirty_bits {
ANV_CMD_DIRTY_PIPELINE = 1 << 9,
ANV_CMD_DIRTY_INDEX_BUFFER = 1 << 10,
ANV_CMD_DIRTY_RENDER_TARGETS = 1 << 11,
+ ANV_CMD_DIRTY_XFB_ENABLE = 1 << 12,
};
typedef uint32_t anv_cmd_dirty_mask_t;
@@ -1972,6 +1975,12 @@ struct anv_vertex_binding {
VkDeviceSize offset;
};
+struct anv_xfb_binding {
+ struct anv_buffer * buffer;
+ VkDeviceSize offset;
+ VkDeviceSize size;
+};
+
#define ANV_PARAM_PUSH(offset) ((1 << 16) | (uint32_t)(offset))
#define ANV_PARAM_PUSH_OFFSET(param) ((param) & 0xffff)
@@ -2164,6 +2173,8 @@ struct anv_cmd_state {
VkRect2D render_area;
uint32_t restart_index;
struct anv_vertex_binding vertex_bindings[MAX_VBS];
+ bool xfb_enabled;
+ struct anv_xfb_binding xfb_bindings[MAX_XFB_BUFFERS];
VkShaderStageFlags push_constant_stages;
struct anv_push_constants * push_constants[MESA_SHADER_STAGES];
struct anv_state binding_tables[MESA_SHADER_STAGES];
@@ -2582,6 +2593,8 @@ struct anv_pipeline {
uint32_t instance_divisor;
} vb[MAX_VBS];
+ uint8_t xfb_used;
+
bool primitive_restart;
uint32_t topology;
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index cec4819ba4a..d58559f8719 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -2642,6 +2642,34 @@ genX(cmd_buffer_flush_state)(struct anv_cmd_buffer *cmd_buffer)
cmd_buffer->state.gfx.vb_dirty &= ~vb_emit;
+#if GEN_GEN >= 8
+ if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_XFB_ENABLE) {
+ /* We don't need any per-buffer dirty tracking because you're not
+ * allowed to bind different XFB buffers while XFB is enabled.
+ */
+ for (unsigned idx = 0; idx < MAX_XFB_BUFFERS; idx++) {
+ struct anv_xfb_binding *xfb = &cmd_buffer->state.xfb_bindings[idx];
+ anv_batch_emit(&cmd_buffer->batch, GENX(3DSTATE_SO_BUFFER), sob) {
+ sob.SOBufferIndex = idx;
+
+ if (cmd_buffer->state.xfb_enabled && xfb->buffer) {
+ sob.SOBufferEnable = true;
+ sob.MOCS = cmd_buffer->device->default_mocs,
+ sob.StreamOffsetWriteEnable = false;
+ sob.SurfaceBaseAddress = anv_address_add(xfb->buffer->address,
+ xfb->offset);
+ /* Size is in DWords - 1 */
+ sob.SurfaceSize = xfb->size / 4 - 1;
+ }
+ }
+ }
+
+ /* CNL and later require a CS stall after 3DSTATE_SO_BUFFER */
+ if (GEN_GEN >= 10)
+ cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_CS_STALL_BIT;
+ }
+#endif
+
if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_PIPELINE) {
anv_batch_emit_batch(&cmd_buffer->batch, &pipeline->batch);
@@ -3272,6 +3300,107 @@ void genX(CmdDrawIndexedIndirectCountKHR)(
}
}
+void genX(CmdBeginTransformFeedbackEXT)(
+ VkCommandBuffer commandBuffer,
+ uint32_t firstCounterBuffer,
+ uint32_t counterBufferCount,
+ const VkBuffer* pCounterBuffers,
+ const VkDeviceSize* pCounterBufferOffsets)
+{
+ ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
+
+ assert(firstCounterBuffer < MAX_XFB_BUFFERS);
+ assert(counterBufferCount <= MAX_XFB_BUFFERS);
+ assert(firstCounterBuffer + counterBufferCount <= MAX_XFB_BUFFERS);
+
+ /* From the SKL PRM Vol. 2c, SO_WRITE_OFFSET:
+ *
+ * "Ssoftware must ensure that no HW stream output operations can be in
+ * process or otherwise pending at the point that the MI_LOAD/STORE
+ * commands are processed. This will likely require a pipeline flush."
+ */
+ cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_CS_STALL_BIT;
+ genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
+
+ for (uint32_t idx = 0; idx < MAX_XFB_BUFFERS; idx++) {
+ /* If we have a counter buffer, this is a resume so we need to load the
+ * value into the streamout offset register. Otherwise, this is a begin
+ * and we need to reset it to zero.
+ */
+ if (pCounterBuffers &&
+ idx >= firstCounterBuffer &&
+ idx - firstCounterBuffer < counterBufferCount &&
+ pCounterBuffers[idx - firstCounterBuffer] != VK_NULL_HANDLE) {
+ uint32_t cb_idx = idx - firstCounterBuffer;
+ ANV_FROM_HANDLE(anv_buffer, counter_buffer, pCounterBuffers[cb_idx]);
+ uint64_t offset = pCounterBufferOffsets ?
+ pCounterBufferOffsets[cb_idx] : 0;
+
+ anv_batch_emit(&cmd_buffer->batch, GENX(MI_LOAD_REGISTER_MEM), lrm) {
+ lrm.RegisterAddress = GENX(SO_WRITE_OFFSET0_num) + idx * 4;
+ lrm.MemoryAddress = anv_address_add(counter_buffer->address,
+ offset);
+ }
+ } else {
+ anv_batch_emit(&cmd_buffer->batch, GENX(MI_LOAD_REGISTER_IMM), lri) {
+ lri.RegisterOffset = GENX(SO_WRITE_OFFSET0_num) + idx * 4;
+ lri.DataDWord = 0;
+ }
+ }
+ }
+
+ cmd_buffer->state.xfb_enabled = true;
+ cmd_buffer->state.gfx.dirty |= ANV_CMD_DIRTY_XFB_ENABLE;
+}
+
+void genX(CmdEndTransformFeedbackEXT)(
+ VkCommandBuffer commandBuffer,
+ uint32_t firstCounterBuffer,
+ uint32_t counterBufferCount,
+ const VkBuffer* pCounterBuffers,
+ const VkDeviceSize* pCounterBufferOffsets)
+{
+ ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
+
+ assert(firstCounterBuffer < MAX_XFB_BUFFERS);
+ assert(counterBufferCount <= MAX_XFB_BUFFERS);
+ assert(firstCounterBuffer + counterBufferCount <= MAX_XFB_BUFFERS);
+
+ /* From the SKL PRM Vol. 2c, SO_WRITE_OFFSET:
+ *
+ * "Ssoftware must ensure that no HW stream output operations can be in
+ * process or otherwise pending at the point that the MI_LOAD/STORE
+ * commands are processed. This will likely require a pipeline flush."
+ */
+ cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_CS_STALL_BIT;
+ genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
+
+ for (uint32_t cb_idx = 0; cb_idx < counterBufferCount; cb_idx++) {
+ unsigned idx = firstCounterBuffer + cb_idx;
+
+ /* If we have a counter buffer, this is a resume so we need to load the
+ * value into the streamout offset register. Otherwise, this is a begin
+ * and we need to reset it to zero.
+ */
+ if (pCounterBuffers &&
+ cb_idx < counterBufferCount &&
+ pCounterBuffers[cb_idx] != VK_NULL_HANDLE) {
+ ANV_FROM_HANDLE(anv_buffer, counter_buffer, pCounterBuffers[cb_idx]);
+ uint64_t offset = pCounterBufferOffsets ?
+ pCounterBufferOffsets[cb_idx] : 0;
+
+ anv_batch_emit(&cmd_buffer->batch, GENX(MI_STORE_REGISTER_MEM), srm) {
+ srm.MemoryAddress = anv_address_add(counter_buffer->address,
+ offset);
+ srm.RegisterAddress = GENX(SO_WRITE_OFFSET0_num) + idx * 4;
+ }
+ }
+ }
+
+ cmd_buffer->state.xfb_enabled = false;
+ cmd_buffer->state.gfx.dirty |= ANV_CMD_DIRTY_XFB_ENABLE;
+}
+
static VkResult
flush_compute_descriptor_set(struct anv_cmd_buffer *cmd_buffer)
{
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index 1bc445eae82..899a96fd84f 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -28,6 +28,7 @@
#include "common/gen_l3_config.h"
#include "common/gen_sample_positions.h"
+#include "nir/nir_xfb_info.h"
#include "vk_util.h"
#include "vk_format_info.h"
@@ -1127,9 +1128,130 @@ static void
emit_3dstate_streamout(struct anv_pipeline *pipeline,
const VkPipelineRasterizationStateCreateInfo *rs_info)
{
+#if GEN_GEN >= 8
+ const struct brw_vue_prog_data *prog_data =
+ anv_pipeline_get_last_vue_prog_data(pipeline);
+ const struct brw_vue_map *vue_map = &prog_data->vue_map;
+#endif
+
+ nir_xfb_info *xfb_info;
+ if (anv_pipeline_has_stage(pipeline, MESA_SHADER_GEOMETRY))
+ xfb_info = pipeline->shaders[MESA_SHADER_GEOMETRY]->xfb_info;
+ else if (anv_pipeline_has_stage(pipeline, MESA_SHADER_TESS_EVAL))
+ xfb_info = pipeline->shaders[MESA_SHADER_TESS_EVAL]->xfb_info;
+ else
+ xfb_info = pipeline->shaders[MESA_SHADER_VERTEX]->xfb_info;
+
+ pipeline->xfb_used = xfb_info ? xfb_info->buffers_written : 0;
+
anv_batch_emit(&pipeline->batch, GENX(3DSTATE_STREAMOUT), so) {
so.RenderingDisable = rs_info->rasterizerDiscardEnable;
+
+#if GEN_GEN >= 8
+ if (xfb_info) {
+ so.SOFunctionEnable = true;
+
+ const VkPipelineRasterizationStateStreamCreateInfoEXT *stream_info =
+ vk_find_struct_const(rs_info, PIPELINE_RASTERIZATION_STATE_STREAM_CREATE_INFO_EXT);
+ so.RenderStreamSelect = stream_info ?
+ stream_info->rasterizationStream : 0;
+
+ so.Buffer0SurfacePitch = xfb_info->strides[0];
+ so.Buffer1SurfacePitch = xfb_info->strides[1];
+ so.Buffer2SurfacePitch = xfb_info->strides[2];
+ so.Buffer3SurfacePitch = xfb_info->strides[3];
+
+ int urb_entry_read_offset = 0;
+ int urb_entry_read_length =
+ (prog_data->vue_map.num_slots + 1) / 2 - urb_entry_read_offset;
+
+ /* We always read the whole vertex. This could be reduced at some
+ * point by reading less and offsetting the register index in the
+ * SO_DECLs.
+ */
+ so.Stream0VertexReadOffset = urb_entry_read_offset;
+ so.Stream0VertexReadLength = urb_entry_read_length - 1;
+ so.Stream1VertexReadOffset = urb_entry_read_offset;
+ so.Stream1VertexReadLength = urb_entry_read_length - 1;
+ so.Stream2VertexReadOffset = urb_entry_read_offset;
+ so.Stream2VertexReadLength = urb_entry_read_length - 1;
+ so.Stream3VertexReadOffset = urb_entry_read_offset;
+ so.Stream3VertexReadLength = urb_entry_read_length - 1;
+ }
+#endif /* GEN_GEN >= 8 */
+ }
+
+#if GEN_GEN >= 8
+ if (xfb_info) {
+ struct GENX(SO_DECL) so_decl[MAX_XFB_STREAMS][128];
+ int next_offset[MAX_XFB_BUFFERS] = {0, 0, 0, 0};
+ int decls[MAX_XFB_STREAMS] = {0, 0, 0, 0};
+
+ memset(so_decl, 0, sizeof(so_decl));
+
+ for (unsigned i = 0; i < xfb_info->output_count; i++) {
+ const nir_xfb_output_info *output = &xfb_info->outputs[i];
+ unsigned buffer = output->buffer;
+ unsigned stream = xfb_info->buffer_to_stream[buffer];
+
+ /* Our hardware is unusual in that it requires us to program SO_DECLs
+ * for fake "hole" components, rather than simply taking the offset
+ * for each real varying. Each hole can have size 1, 2, 3, or 4; we
+ * program as many size = 4 holes as we can, then a final hole to
+ * accommodate the final 1, 2, or 3 remaining.
+ */
+ int hole_dwords = (output->offset - next_offset[buffer]) / 4;
+ while (hole_dwords > 0) {
+ so_decl[stream][decls[stream]++] = (struct GENX(SO_DECL)) {
+ .HoleFlag = 1,
+ .OutputBufferSlot = buffer,
+ .ComponentMask = (1 << MIN2(hole_dwords, 4)) - 1,
+ };
+ hole_dwords -= 4;
+ }
+
+ next_offset[buffer] = output->offset +
+ __builtin_popcount(output->component_mask) * 4;
+
+ so_decl[stream][decls[stream]++] = (struct GENX(SO_DECL)) {
+ .OutputBufferSlot = buffer,
+ .RegisterIndex = vue_map->varying_to_slot[output->location],
+ .ComponentMask = output->component_mask,
+ };
+ }
+
+ int max_decls = 0;
+ for (unsigned s = 0; s < MAX_XFB_STREAMS; s++)
+ max_decls = MAX2(max_decls, decls[s]);
+
+ uint8_t sbs[MAX_XFB_STREAMS] = { };
+ for (unsigned b = 0; b < MAX_XFB_BUFFERS; b++) {
+ if (xfb_info->buffers_written & (1 << b))
+ sbs[xfb_info->buffer_to_stream[b]] |= 1 << b;
+ }
+
+ uint32_t *dw = anv_batch_emitn(&pipeline->batch, 3 + 2 * max_decls,
+ GENX(3DSTATE_SO_DECL_LIST),
+ .StreamtoBufferSelects0 = sbs[0],
+ .StreamtoBufferSelects1 = sbs[1],
+ .StreamtoBufferSelects2 = sbs[2],
+ .StreamtoBufferSelects3 = sbs[3],
+ .NumEntries0 = decls[0],
+ .NumEntries1 = decls[1],
+ .NumEntries2 = decls[2],
+ .NumEntries3 = decls[3]);
+
+ for (int i = 0; i < max_decls; i++) {
+ GENX(SO_DECL_ENTRY_pack)(NULL, dw + 3 + i * 2,
+ &(struct GENX(SO_DECL_ENTRY)) {
+ .Stream0Decl = so_decl[0][i],
+ .Stream1Decl = so_decl[1][i],
+ .Stream2Decl = so_decl[2][i],
+ .Stream3Decl = so_decl[3][i],
+ });
+ }
}
+#endif /* GEN_GEN >= 8 */
}
static uint32_t
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 21:12:33 +0000