* 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
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, 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 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 above copyright notice and this permission notice 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
+ * 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.
*/
+
+/**
+ * @file iris_draw.c
+ *
+ * The main driver hooks for drawing and launching compute shaders.
+ */
+
#include <stdio.h>
#include <errno.h>
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "util/u_inlines.h"
#include "util/u_transfer.h"
+#include "util/u_upload_mgr.h"
#include "intel/compiler/brw_compiler.h"
+#include "intel/compiler/brw_eu_defines.h"
#include "iris_context.h"
+#include "iris_defines.h"
+
+static bool
+prim_is_points_or_lines(const struct pipe_draw_info *draw)
+{
+ /* We don't need to worry about adjacency - it can only be used with
+ * geometry shaders, and we don't care about this info when GS is on.
+ */
+ return draw->mode == PIPE_PRIM_POINTS ||
+ draw->mode == PIPE_PRIM_LINES ||
+ draw->mode == PIPE_PRIM_LINE_LOOP ||
+ draw->mode == PIPE_PRIM_LINE_STRIP;
+}
+
+/**
+ * Record the current primitive mode and restart information, flagging
+ * related packets as dirty if necessary.
+ *
+ * This must be called before updating compiled shaders, because the patch
+ * information informs the TCS key.
+ */
+static void
+iris_update_draw_info(struct iris_context *ice,
+ const struct pipe_draw_info *info)
+{
+ struct iris_screen *screen = (struct iris_screen *)ice->ctx.screen;
+ const struct brw_compiler *compiler = screen->compiler;
+
+ if (ice->state.prim_mode != info->mode) {
+ ice->state.prim_mode = info->mode;
+ ice->state.dirty |= IRIS_DIRTY_VF_TOPOLOGY;
+
+
+ /* For XY Clip enables */
+ bool points_or_lines = prim_is_points_or_lines(info);
+ if (points_or_lines != ice->state.prim_is_points_or_lines) {
+ ice->state.prim_is_points_or_lines = points_or_lines;
+ ice->state.dirty |= IRIS_DIRTY_CLIP;
+ }
+ }
+
+ if (info->mode == PIPE_PRIM_PATCHES &&
+ ice->state.vertices_per_patch != info->vertices_per_patch) {
+ ice->state.vertices_per_patch = info->vertices_per_patch;
+ ice->state.dirty |= IRIS_DIRTY_VF_TOPOLOGY;
+
+ /* 8_PATCH TCS needs this for key->input_vertices */
+ if (compiler->use_tcs_8_patch)
+ ice->state.stage_dirty |= IRIS_STAGE_DIRTY_UNCOMPILED_TCS;
+
+ /* Flag constants dirty for gl_PatchVerticesIn if needed. */
+ const struct shader_info *tcs_info =
+ iris_get_shader_info(ice, MESA_SHADER_TESS_CTRL);
+ if (tcs_info &&
+ tcs_info->system_values_read & (1ull << SYSTEM_VALUE_VERTICES_IN)) {
+ ice->state.stage_dirty |= IRIS_STAGE_DIRTY_CONSTANTS_TCS;
+ ice->state.shaders[MESA_SHADER_TESS_CTRL].sysvals_need_upload = true;
+ }
+ }
+
+ if (ice->state.primitive_restart != info->primitive_restart ||
+ ice->state.cut_index != info->restart_index) {
+ ice->state.dirty |= IRIS_DIRTY_VF;
+ ice->state.primitive_restart = info->primitive_restart;
+ ice->state.cut_index = info->restart_index;
+ }
+}
+
+/**
+ * Update shader draw parameters, flagging VF packets as dirty if necessary.
+ */
+static void
+iris_update_draw_parameters(struct iris_context *ice,
+ const struct pipe_draw_info *info)
+{
+ bool changed = false;
+
+ if (ice->state.vs_uses_draw_params) {
+ struct iris_state_ref *draw_params = &ice->draw.draw_params;
+
+ if (info->indirect) {
+ pipe_resource_reference(&draw_params->res, info->indirect->buffer);
+ draw_params->offset =
+ info->indirect->offset + (info->index_size ? 12 : 8);
+ changed = true;
+ ice->draw.params_valid = false;
+ } else {
+ int firstvertex = info->index_size ? info->index_bias : info->start;
+
+ if (!ice->draw.params_valid ||
+ ice->draw.params.firstvertex != firstvertex ||
+ ice->draw.params.baseinstance != info->start_instance) {
+
+ changed = true;
+ ice->draw.params.firstvertex = firstvertex;
+ ice->draw.params.baseinstance = info->start_instance;
+ ice->draw.params_valid = true;
+
+ u_upload_data(ice->ctx.stream_uploader, 0,
+ sizeof(ice->draw.params), 4, &ice->draw.params,
+ &draw_params->offset, &draw_params->res);
+ }
+ }
+ }
+
+ if (ice->state.vs_uses_derived_draw_params) {
+ struct iris_state_ref *derived_params = &ice->draw.derived_draw_params;
+ int is_indexed_draw = info->index_size ? -1 : 0;
+
+ if (ice->draw.derived_params.drawid != info->drawid ||
+ ice->draw.derived_params.is_indexed_draw != is_indexed_draw) {
+
+ changed = true;
+ ice->draw.derived_params.drawid = info->drawid;
+ ice->draw.derived_params.is_indexed_draw = is_indexed_draw;
+
+ u_upload_data(ice->ctx.stream_uploader, 0,
+ sizeof(ice->draw.derived_params), 4,
+ &ice->draw.derived_params,
+ &derived_params->offset, &derived_params->res);
+ }
+ }
+
+ if (changed) {
+ ice->state.dirty |= IRIS_DIRTY_VERTEX_BUFFERS |
+ IRIS_DIRTY_VERTEX_ELEMENTS |
+ IRIS_DIRTY_VF_SGVS;
+ }
+}
+
+static void
+iris_indirect_draw_vbo(struct iris_context *ice,
+ const struct pipe_draw_info *dinfo)
+{
+ struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
+ struct pipe_draw_info info = *dinfo;
+
+ if (info.indirect->indirect_draw_count &&
+ ice->state.predicate == IRIS_PREDICATE_STATE_USE_BIT) {
+ /* Upload MI_PREDICATE_RESULT to GPR15.*/
+ batch->screen->vtbl.load_register_reg64(batch, CS_GPR(15), MI_PREDICATE_RESULT);
+ }
+
+ const uint64_t orig_dirty = ice->state.dirty;
+ const uint64_t orig_stage_dirty = ice->state.stage_dirty;
+
+ for (int i = 0; i < info.indirect->draw_count; i++) {
+ info.drawid = i;
+
+ iris_batch_maybe_flush(batch, 1500);
+
+ iris_update_draw_parameters(ice, &info);
+
+ batch->screen->vtbl.upload_render_state(ice, batch, &info);
+
+ ice->state.dirty &= ~IRIS_ALL_DIRTY_FOR_RENDER;
+ ice->state.stage_dirty &= ~IRIS_ALL_STAGE_DIRTY_FOR_RENDER;
+
+ info.indirect->offset += info.indirect->stride;
+ }
+
+ if (info.indirect->indirect_draw_count &&
+ ice->state.predicate == IRIS_PREDICATE_STATE_USE_BIT) {
+ /* Restore MI_PREDICATE_RESULT. */
+ batch->screen->vtbl.load_register_reg64(batch, MI_PREDICATE_RESULT, CS_GPR(15));
+ }
+
+ /* Put this back for post-draw resolves, we'll clear it again after. */
+ ice->state.dirty = orig_dirty;
+ ice->state.stage_dirty = orig_stage_dirty;
+}
+
+static void
+iris_simple_draw_vbo(struct iris_context *ice,
+ const struct pipe_draw_info *draw)
+{
+ struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
+
+ iris_batch_maybe_flush(batch, 1500);
+
+ iris_update_draw_parameters(ice, draw);
+
+ batch->screen->vtbl.upload_render_state(ice, batch, draw);
+}
+
+/**
+ * The pipe->draw_vbo() driver hook. Performs a draw on the GPU.
+ */
void
iris_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
{
struct iris_context *ice = (struct iris_context *) ctx;
- struct iris_batch *batch = &ice->render_batch;
+ struct iris_screen *screen = (struct iris_screen*)ice->ctx.screen;
+ const struct gen_device_info *devinfo = &screen->devinfo;
+ struct iris_batch *batch = &ice->batches[IRIS_BATCH_RENDER];
- iris_batch_maybe_flush(batch, 1500);
+ if (ice->state.predicate == IRIS_PREDICATE_STATE_DONT_RENDER)
+ return;
- // XXX: actually do brw_cache_flush_for_*
- // XXX: CS stall is really expensive
- iris_emit_pipe_control_flush(batch,
- PIPE_CONTROL_DEPTH_CACHE_FLUSH |
- PIPE_CONTROL_RENDER_TARGET_FLUSH |
- PIPE_CONTROL_CS_STALL);
+ /* We can't safely re-emit 3DSTATE_SO_BUFFERS because it may zero the
+ * write offsets, changing the behavior.
+ */
+ if (unlikely(INTEL_DEBUG & DEBUG_REEMIT)) {
+ ice->state.dirty |= IRIS_ALL_DIRTY_FOR_RENDER & ~IRIS_DIRTY_SO_BUFFERS;
+ ice->state.stage_dirty |= IRIS_ALL_STAGE_DIRTY_FOR_RENDER;
+ }
- iris_emit_pipe_control_flush(batch,
- PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE |
- PIPE_CONTROL_CONST_CACHE_INVALIDATE);
+ iris_update_draw_info(ice, info);
- iris_cache_sets_clear(batch);
- // XXX: ^^^
+ if (devinfo->gen == 9)
+ gen9_toggle_preemption(ice, batch, info);
iris_update_compiled_shaders(ice);
- if (iris_binder_is_empty(&batch->binder)) {
- ice->state.dirty |= IRIS_DIRTY_BINDINGS_VS |
- IRIS_DIRTY_BINDINGS_TCS |
- IRIS_DIRTY_BINDINGS_TES |
- IRIS_DIRTY_BINDINGS_GS |
- IRIS_DIRTY_BINDINGS_FS;
+ if (ice->state.dirty & IRIS_DIRTY_RENDER_RESOLVES_AND_FLUSHES) {
+ bool draw_aux_buffer_disabled[BRW_MAX_DRAW_BUFFERS] = { };
+ for (gl_shader_stage stage = 0; stage < MESA_SHADER_COMPUTE; stage++) {
+ if (ice->shaders.prog[stage])
+ iris_predraw_resolve_inputs(ice, batch, draw_aux_buffer_disabled,
+ stage, true);
+ }
+ iris_predraw_resolve_framebuffer(ice, batch, draw_aux_buffer_disabled);
+ }
+
+ iris_binder_reserve_3d(ice);
+
+ batch->screen->vtbl.update_surface_base_address(batch, &ice->state.binder);
+
+ iris_handle_always_flush_cache(batch);
+
+ if (info->indirect)
+ iris_indirect_draw_vbo(ice, info);
+ else
+ iris_simple_draw_vbo(ice, info);
+
+ iris_handle_always_flush_cache(batch);
+
+ iris_postdraw_update_resolve_tracking(ice, batch);
+
+ ice->state.dirty &= ~IRIS_ALL_DIRTY_FOR_RENDER;
+ ice->state.stage_dirty &= ~IRIS_ALL_STAGE_DIRTY_FOR_RENDER;
+}
+
+static void
+iris_update_grid_size_resource(struct iris_context *ice,
+ const struct pipe_grid_info *grid)
+{
+ const struct iris_screen *screen = (void *) ice->ctx.screen;
+ const struct isl_device *isl_dev = &screen->isl_dev;
+ struct iris_state_ref *grid_ref = &ice->state.grid_size;
+ struct iris_state_ref *state_ref = &ice->state.grid_surf_state;
+
+ const struct iris_compiled_shader *shader = ice->shaders.prog[MESA_SHADER_COMPUTE];
+ bool grid_needs_surface = shader->bt.used_mask[IRIS_SURFACE_GROUP_CS_WORK_GROUPS];
+ bool grid_updated = false;
+
+ if (grid->indirect) {
+ pipe_resource_reference(&grid_ref->res, grid->indirect);
+ grid_ref->offset = grid->indirect_offset;
+
+ /* Zero out the grid size so that the next non-indirect grid launch will
+ * re-upload it properly.
+ */
+ memset(ice->state.last_grid, 0, sizeof(ice->state.last_grid));
+ grid_updated = true;
+ } else if (memcmp(ice->state.last_grid, grid->grid, sizeof(grid->grid)) != 0) {
+ memcpy(ice->state.last_grid, grid->grid, sizeof(grid->grid));
+ u_upload_data(ice->state.dynamic_uploader, 0, sizeof(grid->grid), 4,
+ grid->grid, &grid_ref->offset, &grid_ref->res);
+ grid_updated = true;
+ }
+
+ /* If we changed the grid, the old surface state is invalid. */
+ if (grid_updated)
+ pipe_resource_reference(&state_ref->res, NULL);
+
+ /* Skip surface upload if we don't need it or we already have one */
+ if (!grid_needs_surface || state_ref->res)
+ return;
+
+ struct iris_bo *grid_bo = iris_resource_bo(grid_ref->res);
+
+ void *surf_map = NULL;
+ u_upload_alloc(ice->state.surface_uploader, 0, isl_dev->ss.size,
+ isl_dev->ss.align, &state_ref->offset, &state_ref->res,
+ &surf_map);
+ state_ref->offset +=
+ iris_bo_offset_from_base_address(iris_resource_bo(state_ref->res));
+ isl_buffer_fill_state(&screen->isl_dev, surf_map,
+ .address = grid_ref->offset + grid_bo->gtt_offset,
+ .size_B = sizeof(grid->grid),
+ .format = ISL_FORMAT_RAW,
+ .stride_B = 1,
+ .mocs = iris_mocs(grid_bo, isl_dev));
+
+ ice->state.stage_dirty |= IRIS_STAGE_DIRTY_BINDINGS_CS;
+}
+
+void
+iris_launch_grid(struct pipe_context *ctx, const struct pipe_grid_info *grid)
+{
+ struct iris_context *ice = (struct iris_context *) ctx;
+ struct iris_batch *batch = &ice->batches[IRIS_BATCH_COMPUTE];
+
+ if (ice->state.predicate == IRIS_PREDICATE_STATE_DONT_RENDER)
+ return;
+
+ if (unlikely(INTEL_DEBUG & DEBUG_REEMIT)) {
+ ice->state.dirty |= IRIS_ALL_DIRTY_FOR_COMPUTE;
+ ice->state.stage_dirty |= IRIS_ALL_STAGE_DIRTY_FOR_COMPUTE;
+ }
+
+ if (ice->state.dirty & IRIS_DIRTY_COMPUTE_RESOLVES_AND_FLUSHES)
+ iris_predraw_resolve_inputs(ice, batch, NULL, MESA_SHADER_COMPUTE, false);
+
+ iris_batch_maybe_flush(batch, 1500);
+
+ iris_update_compiled_compute_shader(ice);
+
+ if (memcmp(ice->state.last_block, grid->block, sizeof(grid->block)) != 0) {
+ memcpy(ice->state.last_block, grid->block, sizeof(grid->block));
+ ice->state.stage_dirty |= IRIS_STAGE_DIRTY_CONSTANTS_CS;
+ ice->state.shaders[MESA_SHADER_COMPUTE].sysvals_need_upload = true;
}
- // XXX: don't do this unless things are dirty...
- iris_binder_reserve_3d(batch, ice->shaders.prog);
- ice->vtbl.upload_render_state(ice, batch, info);
+ iris_update_grid_size_resource(ice, grid);
+
+ iris_binder_reserve_compute(ice);
+ batch->screen->vtbl.update_surface_base_address(batch, &ice->state.binder);
+
+ if (ice->state.compute_predicate) {
+ batch->screen->vtbl.load_register_mem64(batch, MI_PREDICATE_RESULT,
+ ice->state.compute_predicate, 0);
+ ice->state.compute_predicate = NULL;
+ }
+
+ iris_handle_always_flush_cache(batch);
+
+ batch->screen->vtbl.upload_compute_state(ice, batch, grid);
+
+ iris_handle_always_flush_cache(batch);
- ice->state.dirty = 0ull;
+ ice->state.dirty &= ~IRIS_ALL_DIRTY_FOR_COMPUTE;
+ ice->state.stage_dirty &= ~IRIS_ALL_STAGE_DIRTY_FOR_COMPUTE;
- // XXX: don't flush always
- iris_batch_flush(batch);
+ /* Note: since compute shaders can't access the framebuffer, there's
+ * no need to call iris_postdraw_update_resolve_tracking.
+ */
}
projects / mesa.git / blobdiff