ac,radeonsi: move some VS input descriptions to ac_shader_abi
[mesa.git] / src / gallium / drivers / radeonsi / si_hw_context.c
index 2381b6c0004b465fb2f1073d93c45654af0a4a47..92d0cc51dd66049b9a1d592bda5b95140c315b51 100644 (file)
  */
 
 #include "si_pipe.h"
+#include "radeon/r600_cs.h"
+
+static unsigned si_descriptor_list_cs_space(unsigned count, unsigned element_size)
+{
+       /* Ensure we have enough space to start a new range in a hole */
+       assert(element_size >= 3);
+
+       /* 5 dwords for write to L2 + 3 bytes for the packet header of
+        * every disjoint range written to CE RAM.
+        */
+       return 5 + (3 * count / 2) + count * element_size;
+}
+
+static unsigned si_ce_needed_cs_space(void)
+{
+       unsigned space = 0;
+
+       space += si_descriptor_list_cs_space(SI_NUM_SHADER_BUFFERS +
+                                            SI_NUM_CONST_BUFFERS, 4);
+       /* two 8-byte images share one 16-byte slot */
+       space += si_descriptor_list_cs_space(SI_NUM_IMAGES / 2 +
+                                            SI_NUM_SAMPLERS, 16);
+       space *= SI_NUM_SHADERS;
+
+       space += si_descriptor_list_cs_space(SI_NUM_RW_BUFFERS, 4);
+
+       /* Increment CE counter packet */
+       space += 2;
+
+       return space;
+}
 
 /* initialize */
-void si_need_cs_space(struct si_context *ctx, unsigned num_dw,
-                       boolean count_draw_in)
+void si_need_cs_space(struct si_context *ctx)
 {
-       struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
+       struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
+       struct radeon_winsys_cs *ce_ib = ctx->ce_ib;
+
+       /* There is no need to flush the DMA IB here, because
+        * r600_need_dma_space always flushes the GFX IB if there is
+        * a conflict, which means any unflushed DMA commands automatically
+        * precede the GFX IB (= they had no dependency on the GFX IB when
+        * they were submitted).
+        */
 
        /* There are two memory usage counters in the winsys for all buffers
-        * that have been added (cs_add_reloc) and two counters in the pipe
+        * that have been added (cs_add_buffer) and two counters in the pipe
         * driver for those that haven't been added yet.
-        * */
-       if (!ctx->b.ws->cs_memory_below_limit(ctx->b.rings.gfx.cs, ctx->b.vram, ctx->b.gtt)) {
+        */
+       if (unlikely(!radeon_cs_memory_below_limit(ctx->b.screen, ctx->b.gfx.cs,
+                                                  ctx->b.vram, ctx->b.gtt))) {
                ctx->b.gtt = 0;
                ctx->b.vram = 0;
-               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
+               ctx->b.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
                return;
        }
        ctx->b.gtt = 0;
        ctx->b.vram = 0;
 
        /* If the CS is sufficiently large, don't count the space needed
-        * and just flush if there is less than 8096 dwords left.
+        * and just flush if there is not enough space left.
         */
-       if (cs->max_dw >= 24 * 1024) {
-               if (cs->cdw > cs->max_dw - 8 * 1024)
-                       ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
-               return;
-       }
-
-       /* The number of dwords we already used in the CS so far. */
-       num_dw += cs->cdw;
-
-       if (count_draw_in) {
-               unsigned mask = ctx->dirty_atoms;
-
-               while (mask)
-                       num_dw += ctx->atoms.array[u_bit_scan(&mask)]->num_dw;
-
-               /* The number of dwords all the dirty states would take. */
-               num_dw += si_pm4_dirty_dw(ctx);
-
-               /* The upper-bound of how much a draw command would take. */
-               num_dw += SI_MAX_DRAW_CS_DWORDS;
-       }
-
-       /* Count in queries_suspend. */
-       num_dw += ctx->b.num_cs_dw_nontimer_queries_suspend +
-                 ctx->b.num_cs_dw_timer_queries_suspend;
-
-       /* Count in streamout_end at the end of CS. */
-       if (ctx->b.streamout.begin_emitted) {
-               num_dw += ctx->b.streamout.num_dw_for_end;
-       }
-
-       /* Count in render_condition(NULL) at the end of CS. */
-       if (ctx->b.predicate_drawing) {
-               num_dw += 3;
-       }
-
-       /* Count in framebuffer cache flushes at the end of CS. */
-       num_dw += ctx->atoms.s.cache_flush->num_dw;
-
-       if (ctx->screen->b.trace_bo)
-               num_dw += SI_TRACE_CS_DWORDS * 2;
-
-       /* Flush if there's not enough space. */
-       if (num_dw > cs->max_dw) {
-               ctx->b.rings.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
-       }
+       if (!ctx->b.ws->cs_check_space(cs, 2048) ||
+           (ce_ib && !ctx->b.ws->cs_check_space(ce_ib, si_ce_needed_cs_space())))
+               ctx->b.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
 }
 
 void si_context_gfx_flush(void *context, unsigned flags,
                          struct pipe_fence_handle **fence)
 {
        struct si_context *ctx = context;
-       struct radeon_winsys_cs *cs = ctx->b.rings.gfx.cs;
+       struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
        struct radeon_winsys *ws = ctx->b.ws;
 
-       if (cs->cdw == ctx->b.initial_gfx_cs_size &&
-           (!fence || ctx->last_gfx_fence)) {
-               if (fence)
-                       ws->fence_reference(fence, ctx->last_gfx_fence);
-               if (!(flags & RADEON_FLUSH_ASYNC))
-                       ws->cs_sync_flush(cs);
+       if (ctx->gfx_flush_in_progress)
                return;
+
+       if (!radeon_emitted(cs, ctx->b.initial_gfx_cs_size))
+               return;
+
+       if (r600_check_device_reset(&ctx->b))
+               return;
+
+       if (ctx->screen->b.debug_flags & DBG_CHECK_VM)
+               flags &= ~RADEON_FLUSH_ASYNC;
+
+       /* If the state tracker is flushing the GFX IB, r600_flush_from_st is
+        * responsible for flushing the DMA IB and merging the fences from both.
+        * This code is only needed when the driver flushes the GFX IB
+        * internally, and it never asks for a fence handle.
+        */
+       if (radeon_emitted(ctx->b.dma.cs, 0)) {
+               assert(fence == NULL); /* internal flushes only */
+               ctx->b.dma.flush(ctx, flags, NULL);
        }
 
-       ctx->b.rings.gfx.flushing = true;
+       ctx->gfx_flush_in_progress = true;
+
+       /* This CE dump should be done in parallel with the last draw. */
+       if (ctx->ce_ib)
+               si_ce_save_all_descriptors_at_ib_end(ctx);
 
        r600_preflush_suspend_features(&ctx->b);
 
-       ctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER |
-                       SI_CONTEXT_INV_TC_L1 |
-                       SI_CONTEXT_INV_TC_L2 |
-                       /* this is probably not needed anymore */
+       ctx->b.flags |= SI_CONTEXT_CS_PARTIAL_FLUSH |
                        SI_CONTEXT_PS_PARTIAL_FLUSH;
-       si_emit_cache_flush(ctx, NULL);
 
-       /* force to keep tiling flags */
-       flags |= RADEON_FLUSH_KEEP_TILING_FLAGS;
+       /* DRM 3.1.0 doesn't flush TC for VI correctly. */
+       if (ctx->b.chip_class == VI && ctx->b.screen->info.drm_minor <= 1)
+               ctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2 |
+                               SI_CONTEXT_INV_VMEM_L1;
+
+       si_emit_cache_flush(ctx);
 
        if (ctx->trace_buf)
                si_trace_emit(ctx);
 
-       /* Save the IB for debug contexts. */
        if (ctx->is_debug) {
-               free(ctx->last_ib);
-               ctx->last_ib_dw_size = cs->cdw;
-               ctx->last_ib = malloc(cs->cdw * 4);
-               memcpy(ctx->last_ib, cs->buf, cs->cdw * 4);
+               /* Save the IB for debug contexts. */
+               radeon_clear_saved_cs(&ctx->last_gfx);
+               radeon_save_cs(ws, cs, &ctx->last_gfx);
                r600_resource_reference(&ctx->last_trace_buf, ctx->trace_buf);
                r600_resource_reference(&ctx->trace_buf, NULL);
        }
 
        /* Flush the CS. */
-       ws->cs_flush(cs, flags, &ctx->last_gfx_fence,
-                    ctx->screen->b.cs_count++);
-       ctx->b.rings.gfx.flushing = false;
-
+       ws->cs_flush(cs, flags, &ctx->b.last_gfx_fence);
        if (fence)
-               ws->fence_reference(fence, ctx->last_gfx_fence);
+               ws->fence_reference(fence, ctx->b.last_gfx_fence);
+       ctx->b.num_gfx_cs_flushes++;
+
+       /* Check VM faults if needed. */
+       if (ctx->screen->b.debug_flags & DBG_CHECK_VM) {
+               /* Use conservative timeout 800ms, after which we won't wait any
+                * longer and assume the GPU is hung.
+                */
+               ctx->b.ws->fence_wait(ctx->b.ws, ctx->b.last_gfx_fence, 800*1000*1000);
+
+               si_check_vm_faults(&ctx->b, &ctx->last_gfx, RING_GFX);
+       }
 
        si_begin_new_cs(ctx);
+       ctx->gfx_flush_in_progress = false;
 }
 
 void si_begin_new_cs(struct si_context *ctx)
@@ -158,7 +178,7 @@ void si_begin_new_cs(struct si_context *ctx)
                /* Create a buffer used for writing trace IDs and initialize it to 0. */
                assert(!ctx->trace_buf);
                ctx->trace_buf = (struct r600_resource*)
-                                pipe_buffer_create(ctx->b.b.screen, PIPE_BIND_CUSTOM,
+                                pipe_buffer_create(ctx->b.b.screen, 0,
                                                    PIPE_USAGE_STAGING, 4);
                if (ctx->trace_buf)
                        pipe_buffer_write_nooverlap(&ctx->b.b, &ctx->trace_buf->b.b,
@@ -169,12 +189,12 @@ void si_begin_new_cs(struct si_context *ctx)
        if (ctx->trace_buf)
                si_trace_emit(ctx);
 
-       /* Flush read caches at the beginning of CS. */
-       ctx->b.flags |= SI_CONTEXT_FLUSH_AND_INV_FRAMEBUFFER |
-                       SI_CONTEXT_INV_TC_L1 |
-                       SI_CONTEXT_INV_TC_L2 |
-                       SI_CONTEXT_INV_KCACHE |
-                       SI_CONTEXT_INV_ICACHE;
+       /* Flush read caches at the beginning of CS not flushed by the kernel. */
+       if (ctx->b.chip_class >= CIK)
+               ctx->b.flags |= SI_CONTEXT_INV_SMEM_L1 |
+                               SI_CONTEXT_INV_ICACHE;
+
+       ctx->b.flags |= R600_CONTEXT_START_PIPELINE_STATS;
 
        /* set all valid group as dirty so they get reemited on
         * next draw command
@@ -183,38 +203,84 @@ void si_begin_new_cs(struct si_context *ctx)
 
        /* The CS initialization should be emitted before everything else. */
        si_pm4_emit(ctx, ctx->init_config);
+       if (ctx->init_config_gs_rings)
+               si_pm4_emit(ctx, ctx->init_config_gs_rings);
+
+       if (ctx->ce_preamble_ib)
+               si_ce_enable_loads(ctx->ce_preamble_ib);
+       else if (ctx->ce_ib)
+               si_ce_enable_loads(ctx->ce_ib);
+
+       if (ctx->ce_ib)
+               si_ce_restore_all_descriptors_at_ib_start(ctx);
+
+       if (ctx->b.chip_class >= CIK)
+               si_mark_atom_dirty(ctx, &ctx->prefetch_L2);
+
+       /* CLEAR_STATE disables all colorbuffers, so only enable bound ones. */
+       ctx->framebuffer.dirty_cbufs =
+               u_bit_consecutive(0, ctx->framebuffer.state.nr_cbufs);
+       /* CLEAR_STATE disables the zbuffer, so only enable it if it's bound. */
+       ctx->framebuffer.dirty_zsbuf = ctx->framebuffer.state.zsbuf != NULL;
+       /* This should always be marked as dirty to set the framebuffer scissor
+        * at least. */
+       si_mark_atom_dirty(ctx, &ctx->framebuffer.atom);
 
        si_mark_atom_dirty(ctx, &ctx->clip_regs);
-       si_mark_atom_dirty(ctx, &ctx->framebuffer.atom);
-       si_mark_atom_dirty(ctx, &ctx->msaa_sample_locs);
+       /* CLEAR_STATE sets zeros. */
+       if (ctx->clip_state.any_nonzeros)
+               si_mark_atom_dirty(ctx, &ctx->clip_state.atom);
+       ctx->msaa_sample_locs.nr_samples = 0;
+       si_mark_atom_dirty(ctx, &ctx->msaa_sample_locs.atom);
        si_mark_atom_dirty(ctx, &ctx->msaa_config);
+       /* CLEAR_STATE sets 0xffff. */
+       if (ctx->sample_mask.sample_mask != 0xffff)
+               si_mark_atom_dirty(ctx, &ctx->sample_mask.atom);
+       si_mark_atom_dirty(ctx, &ctx->cb_render_state);
+       /* CLEAR_STATE sets zeros. */
+       if (ctx->blend_color.any_nonzeros)
+               si_mark_atom_dirty(ctx, &ctx->blend_color.atom);
        si_mark_atom_dirty(ctx, &ctx->db_render_state);
+       si_mark_atom_dirty(ctx, &ctx->stencil_ref.atom);
+       si_mark_atom_dirty(ctx, &ctx->spi_map);
        si_mark_atom_dirty(ctx, &ctx->b.streamout.enable_atom);
+       si_mark_atom_dirty(ctx, &ctx->b.render_cond_atom);
        si_all_descriptors_begin_new_cs(ctx);
-
-       ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
-       ctx->viewports.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
-       si_mark_atom_dirty(ctx, &ctx->scissors.atom);
-       si_mark_atom_dirty(ctx, &ctx->viewports.atom);
+       si_all_resident_buffers_begin_new_cs(ctx);
+
+       ctx->b.scissors.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       ctx->b.viewports.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       ctx->b.viewports.depth_range_dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
+       si_mark_atom_dirty(ctx, &ctx->b.scissors.atom);
+       si_mark_atom_dirty(ctx, &ctx->b.viewports.atom);
+
+       si_mark_atom_dirty(ctx, &ctx->scratch_state);
+       if (ctx->scratch_buffer) {
+               r600_context_add_resource_size(&ctx->b.b,
+                                              &ctx->scratch_buffer->b.b);
+       }
 
        r600_postflush_resume_features(&ctx->b);
 
-       ctx->b.initial_gfx_cs_size = ctx->b.rings.gfx.cs->cdw;
+       assert(!ctx->b.gfx.cs->prev_dw);
+       ctx->b.initial_gfx_cs_size = ctx->b.gfx.cs->current.cdw;
 
        /* Invalidate various draw states so that they are emitted before
         * the first draw call. */
        si_invalidate_draw_sh_constants(ctx);
+       ctx->last_index_size = -1;
        ctx->last_primitive_restart_en = -1;
        ctx->last_restart_index = SI_RESTART_INDEX_UNKNOWN;
        ctx->last_gs_out_prim = -1;
        ctx->last_prim = -1;
        ctx->last_multi_vgt_param = -1;
-       ctx->last_ls_hs_config = -1;
        ctx->last_rast_prim = -1;
        ctx->last_sc_line_stipple = ~0;
-       ctx->emit_scratch_reloc = true;
+       ctx->last_vs_state = ~0;
        ctx->last_ls = NULL;
        ctx->last_tcs = NULL;
        ctx->last_tes_sh_base = -1;
        ctx->last_num_tcs_input_cp = -1;
+
+       ctx->cs_shader_state.initialized = false;
 }