radeonsi: implement GL_KHR_blend_equation_advanced
[mesa.git] / src / gallium / drivers / radeonsi / si_hw_context.c
index e15f6a9cc69bcb663219515cd5ff96f343cf9877..61c8d7067a18e64e2fbde48dc15f6ed0d4311461 100644 (file)
  * 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.
- *
- * Authors:
- *      Jerome Glisse
  */
 
 #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 possible load to reinitialize when we have no preamble
-        * IB + 5 dwords for write to L2 + 3 bytes for every range written to
-        * CE RAM.
-        */
-       return 5 + 5 + 3 + count * element_size;
-}
+#include "util/os_time.h"
 
-static unsigned si_ce_needed_cs_space(void)
+void si_destroy_saved_cs(struct si_saved_cs *scs)
 {
-       unsigned space = 0;
-
-       space += si_descriptor_list_cs_space(SI_NUM_CONST_BUFFERS, 4);
-       space += si_descriptor_list_cs_space(SI_NUM_SHADER_BUFFERS, 4);
-       space += si_descriptor_list_cs_space(SI_NUM_SAMPLERS, 16);
-       space += si_descriptor_list_cs_space(SI_NUM_IMAGES, 8);
-       space *= SI_NUM_SHADERS;
-
-       space += si_descriptor_list_cs_space(SI_NUM_RW_BUFFERS, 4);
-
-       /* Increment CE counter packet */
-       space += 2;
-
-       return space;
+       si_clear_saved_cs(&scs->gfx);
+       r600_resource_reference(&scs->trace_buf, NULL);
+       free(scs);
 }
 
 /* initialize */
 void si_need_cs_space(struct si_context *ctx)
 {
        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
@@ -78,7 +53,7 @@ void si_need_cs_space(struct si_context *ctx)
                                                   ctx->b.vram, ctx->b.gtt))) {
                ctx->b.gtt = 0;
                ctx->b.vram = 0;
-               ctx->b.gfx.flush(ctx, RADEON_FLUSH_ASYNC, NULL);
+               ctx->b.gfx.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
                return;
        }
        ctx->b.gtt = 0;
@@ -87,9 +62,8 @@ void si_need_cs_space(struct si_context *ctx)
        /* If the CS is sufficiently large, don't count the space needed
         * and just flush if there is not enough space left.
         */
-       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);
+       if (!ctx->b.ws->cs_check_space(cs, 2048))
+               ctx->b.gfx.flush(ctx, PIPE_FLUSH_ASYNC, NULL);
 }
 
 void si_context_gfx_flush(void *context, unsigned flags,
@@ -105,11 +79,11 @@ void si_context_gfx_flush(void *context, unsigned flags,
        if (!radeon_emitted(cs, ctx->b.initial_gfx_cs_size))
                return;
 
-       if (r600_check_device_reset(&ctx->b))
+       if (si_check_device_reset(&ctx->b))
                return;
 
-       if (ctx->screen->b.debug_flags & DBG_CHECK_VM)
-               flags &= ~RADEON_FLUSH_ASYNC;
+       if (ctx->screen->debug_flags & DBG(CHECK_VM))
+               flags &= ~PIPE_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.
@@ -123,7 +97,14 @@ void si_context_gfx_flush(void *context, unsigned flags,
 
        ctx->gfx_flush_in_progress = true;
 
-       r600_preflush_suspend_features(&ctx->b);
+       if (!LIST_IS_EMPTY(&ctx->b.active_queries))
+               si_suspend_queries(&ctx->b);
+
+       ctx->streamout.suspended = false;
+       if (ctx->streamout.begin_emitted) {
+               si_emit_streamout_end(ctx);
+               ctx->streamout.suspended = true;
+       }
 
        ctx->b.flags |= SI_CONTEXT_CS_PARTIAL_FLUSH |
                        SI_CONTEXT_PS_PARTIAL_FLUSH;
@@ -135,62 +116,83 @@ void si_context_gfx_flush(void *context, unsigned flags,
 
        si_emit_cache_flush(ctx);
 
-       if (ctx->trace_buf)
+       if (ctx->current_saved_cs) {
                si_trace_emit(ctx);
+               si_log_hw_flush(ctx);
 
-       if (ctx->is_debug) {
                /* 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);
+               si_save_cs(ws, cs, &ctx->current_saved_cs->gfx, true);
+               ctx->current_saved_cs->flushed = true;
+               ctx->current_saved_cs->time_flush = os_time_get_nano();
        }
 
        /* Flush the CS. */
        ws->cs_flush(cs, flags, &ctx->b.last_gfx_fence);
        if (fence)
                ws->fence_reference(fence, ctx->b.last_gfx_fence);
+
+       /* This must be after cs_flush returns, since the context's API
+        * thread can concurrently read this value in si_fence_finish. */
        ctx->b.num_gfx_cs_flushes++;
 
        /* Check VM faults if needed. */
-       if (ctx->screen->b.debug_flags & DBG_CHECK_VM) {
+       if (ctx->screen->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_check_vm_faults(&ctx->b, &ctx->current_saved_cs->gfx, RING_GFX);
        }
 
+       if (ctx->current_saved_cs)
+               si_saved_cs_reference(&ctx->current_saved_cs, NULL);
+
        si_begin_new_cs(ctx);
        ctx->gfx_flush_in_progress = false;
 }
 
-void si_begin_new_cs(struct si_context *ctx)
+static void si_begin_cs_debug(struct si_context *ctx)
 {
-       if (ctx->is_debug) {
-               uint32_t zero = 0;
+       static const uint32_t zeros[1];
+       assert(!ctx->current_saved_cs);
+
+       ctx->current_saved_cs = calloc(1, sizeof(*ctx->current_saved_cs));
+       if (!ctx->current_saved_cs)
+               return;
 
-               /* Create a buffer used for writing trace IDs and initialize it to 0. */
-               assert(!ctx->trace_buf);
-               ctx->trace_buf = (struct r600_resource*)
+       pipe_reference_init(&ctx->current_saved_cs->reference, 1);
+
+       ctx->current_saved_cs->trace_buf = (struct r600_resource*)
                                 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,
-                                                   0, sizeof(zero), &zero);
-               ctx->trace_id = 0;
+                                                   PIPE_USAGE_STAGING, 8);
+       if (!ctx->current_saved_cs->trace_buf) {
+               free(ctx->current_saved_cs);
+               ctx->current_saved_cs = NULL;
+               return;
        }
 
-       if (ctx->trace_buf)
-               si_trace_emit(ctx);
+       pipe_buffer_write_nooverlap(&ctx->b.b, &ctx->current_saved_cs->trace_buf->b.b,
+                                   0, sizeof(zeros), zeros);
+       ctx->current_saved_cs->trace_id = 0;
+
+       si_trace_emit(ctx);
+
+       radeon_add_to_buffer_list(&ctx->b, &ctx->b.gfx, ctx->current_saved_cs->trace_buf,
+                             RADEON_USAGE_READWRITE, RADEON_PRIO_TRACE);
+}
+
+void si_begin_new_cs(struct si_context *ctx)
+{
+       if (ctx->is_debug)
+               si_begin_cs_debug(ctx);
 
        /* 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;
+       ctx->b.flags |= SI_CONTEXT_START_PIPELINE_STATS;
 
        /* set all valid group as dirty so they get reemited on
         * next draw command
@@ -202,49 +204,79 @@ void si_begin_new_cs(struct si_context *ctx)
        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_preamble_ib)
-               si_ce_reinitialize_all_descriptors(ctx);
-
-       if (ctx->b.chip_class >= CIK)
-               si_mark_atom_dirty(ctx, &ctx->prefetch_L2);
-
-       ctx->framebuffer.dirty_cbufs = (1 << 8) - 1;
-       ctx->framebuffer.dirty_zsbuf = true;
+       if (ctx->queued.named.ls)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_LS;
+       if (ctx->queued.named.hs)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_HS;
+       if (ctx->queued.named.es)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_ES;
+       if (ctx->queued.named.gs)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_GS;
+       if (ctx->queued.named.vs)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_VS;
+       if (ctx->queued.named.ps)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_PS;
+       if (ctx->vb_descriptors_buffer && ctx->vertex_elements)
+               ctx->prefetch_L2_mask |= SI_PREFETCH_VBO_DESCRIPTORS;
+
+       /* CLEAR_STATE disables all colorbuffers, so only enable bound ones. */
+       bool has_clear_state = ctx->screen->has_clear_state;
+       if (has_clear_state) {
+               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;
+       } else {
+               ctx->framebuffer.dirty_cbufs = u_bit_consecutive(0, 8);
+               ctx->framebuffer.dirty_zsbuf = true;
+       }
+       /* 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->clip_state.atom);
+       /* CLEAR_STATE sets zeros. */
+       if (!has_clear_state || 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);
-       si_mark_atom_dirty(ctx, &ctx->sample_mask.atom);
+       /* CLEAR_STATE sets 0xffff. */
+       if (!has_clear_state || ctx->sample_mask.sample_mask != 0xffff)
+               si_mark_atom_dirty(ctx, &ctx->sample_mask.atom);
        si_mark_atom_dirty(ctx, &ctx->cb_render_state);
-       si_mark_atom_dirty(ctx, &ctx->blend_color.atom);
+       /* CLEAR_STATE sets zeros. */
+       if (!has_clear_state || ctx->blend_color.any_nonzeros)
+               si_mark_atom_dirty(ctx, &ctx->blend_color.atom);
        si_mark_atom_dirty(ctx, &ctx->db_render_state);
+       if (ctx->b.chip_class >= GFX9)
+               si_mark_atom_dirty(ctx, &ctx->dpbb_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->streamout.enable_atom);
        si_mark_atom_dirty(ctx, &ctx->b.render_cond_atom);
        si_all_descriptors_begin_new_cs(ctx);
+       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);
+       ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+       ctx->viewports.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+       ctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+       si_mark_atom_dirty(ctx, &ctx->scissors.atom);
+       si_mark_atom_dirty(ctx, &ctx->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);
+               si_context_add_resource_size(&ctx->b.b,
+                                            &ctx->scratch_buffer->b.b);
+       }
+
+       if (ctx->streamout.suspended) {
+               ctx->streamout.append_bitmask = ctx->streamout.enabled_mask;
+               si_streamout_buffers_dirty(ctx);
        }
 
-       r600_postflush_resume_features(&ctx->b);
+       if (!LIST_IS_EMPTY(&ctx->b.active_queries))
+               si_resume_queries(&ctx->b);
 
        assert(!ctx->b.gfx.cs->prev_dw);
        ctx->b.initial_gfx_cs_size = ctx->b.gfx.cs->current.cdw;