{
struct v3d_context *v3d = v3d_context(pctx);
- /* XXX perf: If we're reading from the output of TF in this job, we
- * should instead be using the wait for transform feedback
- * functionality.
- */
-
/* Flush writes to textures we're sampling. */
for (int i = 0; i < v3d->tex[s].num_textures; i++) {
struct pipe_sampler_view *pview = v3d->tex[s].textures[i];
continue;
struct v3d_sampler_view *view = v3d_sampler_view(pview);
- if (view->texture != view->base.texture)
+ if (view->texture != view->base.texture &&
+ view->base.format != PIPE_FORMAT_X32_S8X24_UINT)
v3d_update_shadow_texture(pctx, &view->base);
- v3d_flush_jobs_writing_resource(v3d, view->texture);
+ v3d_flush_jobs_writing_resource(v3d, view->texture,
+ V3D_FLUSH_DEFAULT);
}
/* Flush writes to UBOs. */
foreach_bit(i, v3d->constbuf[s].enabled_mask) {
struct pipe_constant_buffer *cb = &v3d->constbuf[s].cb[i];
- if (cb->buffer)
- v3d_flush_jobs_writing_resource(v3d, cb->buffer);
+ if (cb->buffer) {
+ v3d_flush_jobs_writing_resource(v3d, cb->buffer,
+ V3D_FLUSH_DEFAULT);
+ }
}
- /* Flush writes to our image views */
+ /* Flush reads/writes to our SSBOs */
+ foreach_bit(i, v3d->ssbo[s].enabled_mask) {
+ struct pipe_shader_buffer *sb = &v3d->ssbo[s].sb[i];
+ if (sb->buffer) {
+ v3d_flush_jobs_reading_resource(v3d, sb->buffer,
+ V3D_FLUSH_NOT_CURRENT_JOB);
+ }
+ }
+
+ /* Flush reads/writes to our image views */
foreach_bit(i, v3d->shaderimg[s].enabled_mask) {
struct v3d_image_view *view = &v3d->shaderimg[s].si[i];
- v3d_flush_jobs_writing_resource(v3d, view->base.resource);
+ v3d_flush_jobs_reading_resource(v3d, view->base.resource,
+ V3D_FLUSH_NOT_CURRENT_JOB);
+ }
+
+ /* Flush writes to our vertex buffers (i.e. from transform feedback) */
+ if (s == PIPE_SHADER_VERTEX) {
+ foreach_bit(i, v3d->vertexbuf.enabled_mask) {
+ struct pipe_vertex_buffer *vb = &v3d->vertexbuf.vb[i];
+
+ v3d_flush_jobs_writing_resource(v3d, vb->buffer.resource,
+ V3D_FLUSH_DEFAULT);
+ }
+ }
+}
+
+static void
+v3d_predraw_check_outputs(struct pipe_context *pctx)
+{
+ struct v3d_context *v3d = v3d_context(pctx);
+
+ /* Flush jobs reading from TF buffers that we are about to write. */
+ if (v3d_transform_feedback_enabled(v3d)) {
+ struct v3d_streamout_stateobj *so = &v3d->streamout;
+
+ for (int i = 0; i < so->num_targets; i++) {
+ if (!so->targets[i])
+ continue;
+
+ const struct pipe_stream_output_target *target =
+ so->targets[i];
+ v3d_flush_jobs_reading_resource(v3d, target->buffer,
+ V3D_FLUSH_DEFAULT);
+ }
+ }
+}
+
+/**
+ * Checks if the state for the current draw reads a particular resource in
+ * in the given shader stage.
+ */
+static bool
+v3d_state_reads_resource(struct v3d_context *v3d,
+ struct pipe_resource *prsc,
+ enum pipe_shader_type s)
+{
+ struct v3d_resource *rsc = v3d_resource(prsc);
+
+ /* Vertex buffers */
+ if (s == PIPE_SHADER_VERTEX) {
+ foreach_bit(i, v3d->vertexbuf.enabled_mask) {
+ struct pipe_vertex_buffer *vb = &v3d->vertexbuf.vb[i];
+ if (!vb->buffer.resource)
+ continue;
+
+ struct v3d_resource *vb_rsc =
+ v3d_resource(vb->buffer.resource);
+ if (rsc->bo == vb_rsc->bo)
+ return true;
+ }
+ }
+
+ /* Constant buffers */
+ foreach_bit(i, v3d->constbuf[s].enabled_mask) {
+ struct pipe_constant_buffer *cb = &v3d->constbuf[s].cb[i];
+ if (!cb->buffer)
+ continue;
+
+ struct v3d_resource *cb_rsc = v3d_resource(cb->buffer);
+ if (rsc->bo == cb_rsc->bo)
+ return true;
+ }
+
+ /* Shader storage buffers */
+ foreach_bit(i, v3d->ssbo[s].enabled_mask) {
+ struct pipe_shader_buffer *sb = &v3d->ssbo[s].sb[i];
+ if (!sb->buffer)
+ continue;
+
+ struct v3d_resource *sb_rsc = v3d_resource(sb->buffer);
+ if (rsc->bo == sb_rsc->bo)
+ return true;
+ }
+
+ /* Textures */
+ for (int i = 0; i < v3d->tex[s].num_textures; i++) {
+ struct pipe_sampler_view *pview = v3d->tex[s].textures[i];
+ if (!pview)
+ continue;
+
+ struct v3d_sampler_view *view = v3d_sampler_view(pview);
+ struct v3d_resource *v_rsc = v3d_resource(view->texture);
+ if (rsc->bo == v_rsc->bo)
+ return true;
+ }
+
+ return false;
+}
+
+static void
+v3d_emit_wait_for_tf(struct v3d_job *job)
+{
+ /* XXX: we might be able to skip this in some cases, for now we
+ * always emit it.
+ */
+ cl_emit(&job->bcl, FLUSH_TRANSFORM_FEEDBACK_DATA, flush);
+
+ cl_emit(&job->bcl, WAIT_FOR_TRANSFORM_FEEDBACK, wait) {
+ /* XXX: Wait for all outstanding writes... maybe we can do
+ * better in some cases.
+ */
+ wait.block_count = 255;
+ }
+
+ /* We have just flushed all our outstanding TF work in this job so make
+ * sure we don't emit TF flushes again for any of it again.
+ */
+ _mesa_set_clear(job->tf_write_prscs, NULL);
+}
+
+static void
+v3d_emit_wait_for_tf_if_needed(struct v3d_context *v3d, struct v3d_job *job)
+{
+ if (!job->tf_enabled)
+ return;
+
+ set_foreach(job->tf_write_prscs, entry) {
+ struct pipe_resource *prsc = (struct pipe_resource *)entry->key;
+ for (int s = 0; s < PIPE_SHADER_COMPUTE; s++) {
+ /* Fragment shaders can only start executing after all
+ * binning (and thus TF) is complete.
+ *
+ * XXX: For VS/GS/TES, if the binning shader does not
+ * read the resource then we could also avoid emitting
+ * the wait.
+ */
+ if (s == PIPE_SHADER_FRAGMENT)
+ continue;
+
+ if (v3d_state_reads_resource(v3d, prsc, s)) {
+ v3d_emit_wait_for_tf(job);
+ return;
+ }
+ }
}
}
/* Upload the uniforms to the indirect CL first */
struct v3d_cl_reloc fs_uniforms =
- v3d_write_uniforms(v3d, v3d->prog.fs,
+ v3d_write_uniforms(v3d, job, v3d->prog.fs,
PIPE_SHADER_FRAGMENT);
struct v3d_cl_reloc vs_uniforms =
- v3d_write_uniforms(v3d, v3d->prog.vs,
+ v3d_write_uniforms(v3d, job, v3d->prog.vs,
PIPE_SHADER_VERTEX);
struct v3d_cl_reloc cs_uniforms =
- v3d_write_uniforms(v3d, v3d->prog.cs,
+ v3d_write_uniforms(v3d, job, v3d->prog.cs,
PIPE_SHADER_VERTEX);
+ /* Update the cache dirty flag based on the shader progs data */
+ job->tmu_dirty_rcl |= v3d->prog.cs->prog_data.vs->base.tmu_dirty_rcl;
+ job->tmu_dirty_rcl |= v3d->prog.vs->prog_data.vs->base.tmu_dirty_rcl;
+ job->tmu_dirty_rcl |= v3d->prog.fs->prog_data.fs->base.tmu_dirty_rcl;
+
/* See GFXH-930 workaround below */
uint32_t num_elements_to_emit = MAX2(vtx->num_elements, 1);
uint32_t shader_rec_offset =
shader.fragment_shader_uses_real_pixel_centre_w_in_addition_to_centroid_w2 =
v3d->prog.fs->prog_data.fs->uses_center_w;
+#if V3D_VERSION >= 40
+ shader.do_scoreboard_wait_on_first_thread_switch =
+ v3d->prog.fs->prog_data.fs->lock_scoreboard_on_first_thrsw;
+ shader.disable_implicit_point_line_varyings =
+ !v3d->prog.fs->prog_data.fs->uses_implicit_point_line_varyings;
+#endif
+
shader.number_of_varyings_in_fragment_shader =
v3d->prog.fs->prog_data.fs->num_inputs;
v3d->prog.vs->prog_data.vs->separate_segments;
shader.coordinate_shader_input_vpm_segment_size =
- v3d->prog.cs->prog_data.vs->vpm_input_size;
+ v3d->prog.cs->prog_data.vs->separate_segments ?
+ v3d->prog.cs->prog_data.vs->vpm_input_size : 1;
shader.vertex_shader_input_vpm_segment_size =
- v3d->prog.vs->prog_data.vs->vpm_input_size;
+ v3d->prog.vs->prog_data.vs->separate_segments ?
+ v3d->prog.vs->prog_data.vs->vpm_input_size : 1;
shader.coordinate_shader_output_vpm_segment_size =
v3d->prog.cs->prog_data.vs->vpm_output_size;
vtx->defaults_offset);
}
+ bool cs_loaded_any = false;
for (int i = 0; i < vtx->num_elements; i++) {
struct pipe_vertex_element *elem = &vtx->pipe[i];
struct pipe_vertex_buffer *vb =
v3d->prog.cs->prog_data.vs->vattr_sizes[i];
attr.number_of_values_read_by_vertex_shader =
v3d->prog.vs->prog_data.vs->vattr_sizes[i];
+
+ /* GFXH-930: At least one attribute must be enabled
+ * and read by CS and VS. If we have attributes being
+ * consumed by the VS but not the CS, then set up a
+ * dummy load of the last attribute into the CS's VPM
+ * inputs. (Since CS is just dead-code-elimination
+ * compared to VS, we can't have CS loading but not
+ * VS).
+ */
+ if (v3d->prog.cs->prog_data.vs->vattr_sizes[i])
+ cs_loaded_any = true;
+ if (i == vtx->num_elements - 1 && !cs_loaded_any) {
+ attr.number_of_values_read_by_coordinate_shader = 1;
+ }
#if V3D_VERSION >= 41
attr.maximum_index = 0xffffff;
#endif
v3d_bo_unreference(&cs_uniforms.bo);
v3d_bo_unreference(&vs_uniforms.bo);
v3d_bo_unreference(&fs_uniforms.bo);
-
- job->shader_rec_count++;
}
/**
- * Computes the various transform feedback statistics, since they can't be
- * recorded by CL packets.
+ * Updates the number of primitvies generated from the number of vertices
+ * to draw. We do this here instead of using PRIMITIVE_COUNTS_FEEDBACK because
+ * using the GPU packet for this might require sync waits and this is trivial
+ * to handle in the CPU instead.
*/
static void
-v3d_tf_statistics_record(struct v3d_context *v3d,
- const struct pipe_draw_info *info,
- bool prim_tf)
+v3d_update_primitives_generated_counter(struct v3d_context *v3d,
+ const struct pipe_draw_info *info)
{
if (!v3d->active_queries)
return;
uint32_t prims = u_prims_for_vertices(info->mode, info->count);
v3d->prims_generated += prims;
-
- if (prim_tf) {
- /* XXX: Only count if we didn't overflow. */
- v3d->tf_prims_generated += prims;
- }
}
static void
return;
}
- /* Before setting up the draw, flush anything writing to the textures
- * that we read from.
+ /* Before setting up the draw, flush anything writing to the resources
+ * that we read from or reading from resources we write to.
*/
for (int s = 0; s < PIPE_SHADER_COMPUTE; s++)
v3d_predraw_check_stage_inputs(pctx, s);
- if (info->indirect)
- v3d_flush_jobs_writing_resource(v3d, info->indirect->buffer);
+ if (info->indirect) {
+ v3d_flush_jobs_writing_resource(v3d, info->indirect->buffer,
+ V3D_FLUSH_DEFAULT);
+ }
+
+ v3d_predraw_check_outputs(pctx);
+
+ /* If transform feedback is active and we are switching primitive type
+ * we need to submit the job before drawing and update the vertex count
+ * written to TF based on the primitive type since we will need to
+ * know the exact vertex count if the application decides to call
+ * glDrawTransformFeedback() later.
+ */
+ if (v3d->streamout.num_targets > 0 &&
+ u_base_prim_type(info->mode) != u_base_prim_type(v3d->prim_mode)) {
+ v3d_tf_update_counters(v3d);
+ }
struct v3d_job *job = v3d_get_job_for_fbo(v3d);
job->submit.in_sync_bcl = v3d->out_sync;
}
- /* Mark SSBOs as being written. We don't actually know which ones are
- * read vs written, so just assume the worst
+ /* Mark SSBOs and images as being written. We don't actually know
+ * which ones are read vs written, so just assume the worst.
*/
for (int s = 0; s < PIPE_SHADER_COMPUTE; s++) {
foreach_bit(i, v3d->ssbo[s].enabled_mask) {
v3d_update_compiled_shaders(v3d, info->mode);
v3d_update_job_ez(v3d, job);
+ /* If this job was writing to transform feedback buffers before this
+ * draw and we are reading from them here, then we need to wait for TF
+ * to complete before we emit this draw.
+ *
+ * Notice this check needs to happen before we emit state for the
+ * current draw call, where we update job->tf_enabled, so we can ensure
+ * that we only check TF writes for prior draws.
+ */
+ v3d_emit_wait_for_tf_if_needed(v3d, job);
+
#if V3D_VERSION >= 41
v3d41_emit_state(pctx);
#else
prim_tf_enable = (V3D_PRIM_POINTS_TF - V3D_PRIM_POINTS);
#endif
- v3d_tf_statistics_record(v3d, info, v3d->streamout.num_targets);
+ v3d_update_primitives_generated_counter(v3d, info);
/* Note that the primitive type fields match with OpenGL/gallium
* definitions, up to but not including QUADS.
}
}
- job->draw_calls_queued++;
-
if (info->has_user_indices)
pipe_resource_reference(&prsc, NULL);
} else {
info->indirect->offset);
}
} else if (info->instance_count > 1) {
+ struct pipe_stream_output_target *so =
+ info->count_from_stream_output;
+ uint32_t vert_count = so ?
+ v3d_stream_output_target_get_vertex_count(so) :
+ info->count;
cl_emit(&job->bcl, VERTEX_ARRAY_INSTANCED_PRIMS, prim) {
prim.mode = info->mode | prim_tf_enable;
prim.index_of_first_vertex = info->start;
prim.number_of_instances = info->instance_count;
- prim.instance_length = info->count;
+ prim.instance_length = vert_count;
}
} else {
+ struct pipe_stream_output_target *so =
+ info->count_from_stream_output;
+ uint32_t vert_count = so ?
+ v3d_stream_output_target_get_vertex_count(so) :
+ info->count;
cl_emit(&job->bcl, VERTEX_ARRAY_PRIMS, prim) {
prim.mode = info->mode | prim_tf_enable;
- prim.length = info->count;
+ prim.length = vert_count;
prim.index_of_first_vertex = info->start;
}
}
cl_emit(&job->bcl, TRANSFORM_FEEDBACK_FLUSH_AND_COUNT, flush);
job->draw_calls_queued++;
+ if (v3d->streamout.num_targets)
+ job->tf_draw_calls_queued++;
/* Increment the TF offsets by how many verts we wrote. XXX: This
* needs some clamping to the buffer size.
v3d_flush(pctx);
}
+#if V3D_VERSION >= 41
+#define V3D_CSD_CFG012_WG_COUNT_SHIFT 16
+#define V3D_CSD_CFG012_WG_OFFSET_SHIFT 0
+/* Allow this dispatch to start while the last one is still running. */
+#define V3D_CSD_CFG3_OVERLAP_WITH_PREV (1 << 26)
+/* Maximum supergroup ID. 6 bits. */
+#define V3D_CSD_CFG3_MAX_SG_ID_SHIFT 20
+/* Batches per supergroup minus 1. 8 bits. */
+#define V3D_CSD_CFG3_BATCHES_PER_SG_M1_SHIFT 12
+/* Workgroups per supergroup, 0 means 16 */
+#define V3D_CSD_CFG3_WGS_PER_SG_SHIFT 8
+#define V3D_CSD_CFG3_WG_SIZE_SHIFT 0
+
+#define V3D_CSD_CFG5_PROPAGATE_NANS (1 << 2)
+#define V3D_CSD_CFG5_SINGLE_SEG (1 << 1)
+#define V3D_CSD_CFG5_THREADING (1 << 0)
+
+static void
+v3d_launch_grid(struct pipe_context *pctx, const struct pipe_grid_info *info)
+{
+ struct v3d_context *v3d = v3d_context(pctx);
+ struct v3d_screen *screen = v3d->screen;
+
+ v3d_predraw_check_stage_inputs(pctx, PIPE_SHADER_COMPUTE);
+
+ v3d_update_compiled_cs(v3d);
+
+ if (!v3d->prog.compute->resource) {
+ static bool warned = false;
+ if (!warned) {
+ fprintf(stderr,
+ "Compute shader failed to compile. "
+ "Expect corruption.\n");
+ warned = true;
+ }
+ return;
+ }
+
+ /* Some of the units of scale:
+ *
+ * - Batches of 16 work items (shader invocations) that will be queued
+ * to the run on a QPU at once.
+ *
+ * - Workgroups composed of work items based on the shader's layout
+ * declaration.
+ *
+ * - Supergroups of 1-16 workgroups. There can only be 16 supergroups
+ * running at a time on the core, so we want to keep them large to
+ * keep the QPUs busy, but a whole supergroup will sync at a barrier
+ * so we want to keep them small if one is present.
+ */
+ struct drm_v3d_submit_csd submit = { 0 };
+ struct v3d_job *job = v3d_job_create(v3d);
+
+ /* Set up the actual number of workgroups, synchronously mapping the
+ * indirect buffer if necessary to get the dimensions.
+ */
+ if (info->indirect) {
+ struct pipe_transfer *transfer;
+ uint32_t *map = pipe_buffer_map_range(pctx, info->indirect,
+ info->indirect_offset,
+ 3 * sizeof(uint32_t),
+ PIPE_TRANSFER_READ,
+ &transfer);
+ memcpy(v3d->compute_num_workgroups, map, 3 * sizeof(uint32_t));
+ pipe_buffer_unmap(pctx, transfer);
+
+ if (v3d->compute_num_workgroups[0] == 0 ||
+ v3d->compute_num_workgroups[1] == 0 ||
+ v3d->compute_num_workgroups[2] == 0) {
+ /* Nothing to dispatch, so skip the draw (CSD can't
+ * handle 0 workgroups).
+ */
+ return;
+ }
+ } else {
+ v3d->compute_num_workgroups[0] = info->grid[0];
+ v3d->compute_num_workgroups[1] = info->grid[1];
+ v3d->compute_num_workgroups[2] = info->grid[2];
+ }
+
+ for (int i = 0; i < 3; i++) {
+ submit.cfg[i] |= (v3d->compute_num_workgroups[i] <<
+ V3D_CSD_CFG012_WG_COUNT_SHIFT);
+ }
+
+ perf_debug("CSD only using single WG per SG currently, "
+ "should increase that when possible.");
+ int wgs_per_sg = 1;
+ int wg_size = info->block[0] * info->block[1] * info->block[2];
+ submit.cfg[3] |= wgs_per_sg << V3D_CSD_CFG3_WGS_PER_SG_SHIFT;
+ submit.cfg[3] |= ((DIV_ROUND_UP(wgs_per_sg * wg_size, 16) - 1) <<
+ V3D_CSD_CFG3_BATCHES_PER_SG_M1_SHIFT);
+ submit.cfg[3] |= (wg_size & 0xff) << V3D_CSD_CFG3_WG_SIZE_SHIFT;
+
+ int batches_per_wg = DIV_ROUND_UP(wg_size, 16);
+ /* Number of batches the dispatch will invoke (minus 1). */
+ submit.cfg[4] = batches_per_wg * (v3d->compute_num_workgroups[0] *
+ v3d->compute_num_workgroups[1] *
+ v3d->compute_num_workgroups[2]) - 1;
+
+ /* Make sure we didn't accidentally underflow. */
+ assert(submit.cfg[4] != ~0);
+
+ v3d_job_add_bo(job, v3d_resource(v3d->prog.compute->resource)->bo);
+ submit.cfg[5] = (v3d_resource(v3d->prog.compute->resource)->bo->offset +
+ v3d->prog.compute->offset);
+ submit.cfg[5] |= V3D_CSD_CFG5_PROPAGATE_NANS;
+ if (v3d->prog.compute->prog_data.base->single_seg)
+ submit.cfg[5] |= V3D_CSD_CFG5_SINGLE_SEG;
+ if (v3d->prog.compute->prog_data.base->threads == 4)
+ submit.cfg[5] |= V3D_CSD_CFG5_THREADING;
+
+ if (v3d->prog.compute->prog_data.compute->shared_size) {
+ v3d->compute_shared_memory =
+ v3d_bo_alloc(v3d->screen,
+ v3d->prog.compute->prog_data.compute->shared_size *
+ wgs_per_sg,
+ "shared_vars");
+ }
+
+ struct v3d_cl_reloc uniforms = v3d_write_uniforms(v3d, job,
+ v3d->prog.compute,
+ PIPE_SHADER_COMPUTE);
+ v3d_job_add_bo(job, uniforms.bo);
+ submit.cfg[6] = uniforms.bo->offset + uniforms.offset;
+
+ /* Pull some job state that was stored in a SUBMIT_CL struct out to
+ * our SUBMIT_CSD struct
+ */
+ submit.bo_handles = job->submit.bo_handles;
+ submit.bo_handle_count = job->submit.bo_handle_count;
+
+ /* Serialize this in the rest of our command stream. */
+ submit.in_sync = v3d->out_sync;
+ submit.out_sync = v3d->out_sync;
+
+ if (!(V3D_DEBUG & V3D_DEBUG_NORAST)) {
+ int ret = v3d_ioctl(screen->fd, DRM_IOCTL_V3D_SUBMIT_CSD,
+ &submit);
+ static bool warned = false;
+ if (ret && !warned) {
+ fprintf(stderr, "CSD submit call returned %s. "
+ "Expect corruption.\n", strerror(errno));
+ warned = true;
+ }
+ }
+
+ v3d_job_free(v3d, job);
+
+ /* Mark SSBOs as being written.. we don't actually know which ones are
+ * read vs written, so just assume the worst
+ */
+ foreach_bit(i, v3d->ssbo[PIPE_SHADER_COMPUTE].enabled_mask) {
+ struct v3d_resource *rsc = v3d_resource(
+ v3d->ssbo[PIPE_SHADER_COMPUTE].sb[i].buffer);
+ rsc->writes++; /* XXX */
+ }
+
+ foreach_bit(i, v3d->shaderimg[PIPE_SHADER_COMPUTE].enabled_mask) {
+ struct v3d_resource *rsc = v3d_resource(
+ v3d->shaderimg[PIPE_SHADER_COMPUTE].si[i].base.resource);
+ rsc->writes++;
+ }
+
+ v3d_bo_unreference(&uniforms.bo);
+ v3d_bo_unreference(&v3d->compute_shared_memory);
+}
+#endif
+
/**
* Implements gallium's clear() hook (glClear()) by drawing a pair of triangles.
*/
v3d->framebuffer.width,
v3d->framebuffer.height,
util_framebuffer_get_num_layers(&v3d->framebuffer),
- buffers, color, depth, stencil);
+ buffers, color, depth, stencil,
+ util_framebuffer_get_num_samples(&v3d->framebuffer) > 1);
}
/**
pctx->clear = v3d_clear;
pctx->clear_render_target = v3d_clear_render_target;
pctx->clear_depth_stencil = v3d_clear_depth_stencil;
+#if V3D_VERSION >= 41
+ if (v3d_context(pctx)->screen->has_csd)
+ pctx->launch_grid = v3d_launch_grid;
+#endif
}
projects / mesa.git / blobdiff