r600g: move streamout state to drivers/radeon
[mesa.git] / src / gallium / drivers / r600 / r600_buffer.c
index 6ced719c8f01a2d708f62f32fa0bb9383de99b68..88281b07106776cb8448862c2233043a58593808 100644 (file)
  *      Jerome Glisse
  *      Corbin Simpson <MostAwesomeDude@gmail.com>
  */
-#include <pipe/p_screen.h>
-#include <util/u_format.h>
-#include <util/u_math.h>
-#include <util/u_inlines.h>
-#include <util/u_memory.h>
-#include "util/u_upload_mgr.h"
-
-#include "state_tracker/drm_driver.h"
-
-#include <xf86drm.h>
-#include "radeon_drm.h"
-
-#include "r600.h"
 #include "r600_pipe.h"
+#include "util/u_upload_mgr.h"
+#include "util/u_memory.h"
+#include "util/u_surface.h"
 
 static void r600_buffer_destroy(struct pipe_screen *screen,
                                struct pipe_resource *buf)
 {
-       struct r600_screen *rscreen = (struct r600_screen*)screen;
-       struct r600_resource_buffer *rbuffer = r600_buffer(buf);
+       struct r600_resource *rbuffer = r600_resource(buf);
+
+       util_range_destroy(&rbuffer->valid_buffer_range);
+       pb_reference(&rbuffer->buf, NULL);
+       FREE(rbuffer);
+}
 
-       if (rbuffer->r.bo) {
-               r600_bo_reference((struct radeon*)screen->winsys, &rbuffer->r.bo, NULL);
+static void r600_set_constants_dirty_if_bound(struct r600_context *rctx,
+                                             struct r600_resource *rbuffer)
+{
+       unsigned shader;
+
+       for (shader = 0; shader < PIPE_SHADER_TYPES; shader++) {
+               struct r600_constbuf_state *state = &rctx->constbuf_state[shader];
+               bool found = false;
+               uint32_t mask = state->enabled_mask;
+
+               while (mask) {
+                       unsigned i = u_bit_scan(&mask);
+                       if (state->cb[i].buffer == &rbuffer->b.b) {
+                               found = true;
+                               state->dirty_mask |= 1 << i;
+                       }
+               }
+               if (found) {
+                       r600_constant_buffers_dirty(rctx, state);
+               }
        }
-       rbuffer->r.bo = NULL;
-       util_slab_free(&rscreen->pool_buffers, rbuffer);
 }
 
-static struct pipe_transfer *r600_get_transfer(struct pipe_context *ctx,
-                                              struct pipe_resource *resource,
-                                              unsigned level,
-                                              unsigned usage,
-                                              const struct pipe_box *box)
+static void *r600_buffer_get_transfer(struct pipe_context *ctx,
+                                     struct pipe_resource *resource,
+                                      unsigned level,
+                                      unsigned usage,
+                                      const struct pipe_box *box,
+                                     struct pipe_transfer **ptransfer,
+                                     void *data, struct r600_resource *staging,
+                                     unsigned offset)
 {
-       struct r600_pipe_context *rctx = (struct r600_pipe_context*)ctx;
-       struct pipe_transfer *transfer = util_slab_alloc(&rctx->pool_transfers);
-
-       transfer->resource = resource;
-       transfer->level = level;
-       transfer->usage = usage;
-       transfer->box = *box;
-       transfer->stride = 0;
-       transfer->layer_stride = 0;
-       transfer->data = NULL;
-
-       /* Note strides are zero, this is ok for buffers, but not for
-        * textures 2d & higher at least.
-        */
-       return transfer;
+       struct r600_context *rctx = (struct r600_context*)ctx;
+       struct r600_transfer *transfer = util_slab_alloc(&rctx->pool_transfers);
+
+       transfer->transfer.resource = resource;
+       transfer->transfer.level = level;
+       transfer->transfer.usage = usage;
+       transfer->transfer.box = *box;
+       transfer->transfer.stride = 0;
+       transfer->transfer.layer_stride = 0;
+       transfer->offset = offset;
+       transfer->staging = staging;
+       *ptransfer = &transfer->transfer;
+       return data;
 }
 
-static void *r600_buffer_transfer_map(struct pipe_context *pipe,
-                                     struct pipe_transfer *transfer)
+static void *r600_buffer_transfer_map(struct pipe_context *ctx,
+                                       struct pipe_resource *resource,
+                                       unsigned level,
+                                       unsigned usage,
+                                       const struct pipe_box *box,
+                                       struct pipe_transfer **ptransfer)
 {
-       struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
-       int write = 0;
+       struct r600_context *rctx = (struct r600_context*)ctx;
+       struct r600_resource *rbuffer = r600_resource(resource);
        uint8_t *data;
 
-       if (rbuffer->r.b.user_ptr)
-               return (uint8_t*)rbuffer->r.b.user_ptr + transfer->box.x;
+       assert(box->x + box->width <= resource->width0);
 
-       if (transfer->usage & PIPE_TRANSFER_DONTBLOCK) {
-               /* FIXME */
+       /* See if the buffer range being mapped has never been initialized,
+        * in which case it can be mapped unsynchronized. */
+       if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
+           usage & PIPE_TRANSFER_WRITE &&
+           !util_ranges_intersect(&rbuffer->valid_buffer_range, box->x, box->x + box->width)) {
+               usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
        }
-       if (transfer->usage & PIPE_TRANSFER_WRITE) {
-               write = 1;
+
+       if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE &&
+           !(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
+               assert(usage & PIPE_TRANSFER_WRITE);
+
+               /* Check if mapping this buffer would cause waiting for the GPU. */
+               if (r600_rings_is_buffer_referenced(rctx, rbuffer->cs_buf, RADEON_USAGE_READWRITE) ||
+                   rctx->b.ws->buffer_is_busy(rbuffer->buf, RADEON_USAGE_READWRITE)) {
+                       unsigned i, mask;
+
+                       /* Discard the buffer. */
+                       pb_reference(&rbuffer->buf, NULL);
+
+                       /* Create a new one in the same pipe_resource. */
+                       /* XXX We probably want a different alignment for buffers and textures. */
+                       r600_init_resource(rctx->screen, rbuffer, rbuffer->b.b.width0, 4096,
+                                          TRUE, rbuffer->b.b.usage);
+
+                       /* We changed the buffer, now we need to bind it where the old one was bound. */
+                       /* Vertex buffers. */
+                       mask = rctx->vertex_buffer_state.enabled_mask;
+                       while (mask) {
+                               i = u_bit_scan(&mask);
+                               if (rctx->vertex_buffer_state.vb[i].buffer == &rbuffer->b.b) {
+                                       rctx->vertex_buffer_state.dirty_mask |= 1 << i;
+                                       r600_vertex_buffers_dirty(rctx);
+                               }
+                       }
+                       /* Streamout buffers. */
+                       for (i = 0; i < rctx->b.streamout.num_targets; i++) {
+                               if (rctx->b.streamout.targets[i]->b.buffer == &rbuffer->b.b) {
+                                       if (rctx->b.streamout.begin_emitted) {
+                                               r600_emit_streamout_end(&rctx->b);
+                                       }
+                                       rctx->b.streamout.append_bitmask = rctx->b.streamout.enabled_mask;
+                                       r600_streamout_buffers_dirty(&rctx->b);
+                               }
+                       }
+                       /* Constant buffers. */
+                       r600_set_constants_dirty_if_bound(rctx, rbuffer);
+               }
        }
-       data = r600_bo_map((struct radeon*)pipe->winsys, rbuffer->r.bo, transfer->usage, pipe);
-       if (!data)
+       else if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
+                !(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
+                !(rctx->screen->debug_flags & DBG_NO_DISCARD_RANGE) &&
+                (rctx->screen->has_cp_dma ||
+                 (rctx->screen->has_streamout &&
+                  /* The buffer range must be aligned to 4 with streamout. */
+                  box->x % 4 == 0 && box->width % 4 == 0))) {
+               assert(usage & PIPE_TRANSFER_WRITE);
+
+               /* Check if mapping this buffer would cause waiting for the GPU. */
+               if (r600_rings_is_buffer_referenced(rctx, rbuffer->cs_buf, RADEON_USAGE_READWRITE) ||
+                   rctx->b.ws->buffer_is_busy(rbuffer->buf, RADEON_USAGE_READWRITE)) {
+                       /* Do a wait-free write-only transfer using a temporary buffer. */
+                       unsigned offset;
+                       struct r600_resource *staging = NULL;
+
+                       u_upload_alloc(rctx->uploader, 0, box->width + (box->x % R600_MAP_BUFFER_ALIGNMENT),
+                                      &offset, (struct pipe_resource**)&staging, (void**)&data);
+
+                       if (staging) {
+                               data += box->x % R600_MAP_BUFFER_ALIGNMENT;
+                               return r600_buffer_get_transfer(ctx, resource, level, usage, box,
+                                                               ptransfer, data, staging, offset);
+                       }
+               }
+       }
+
+       /* mmap and synchronize with rings */
+       data = r600_buffer_mmap_sync_with_rings(rctx, rbuffer, usage);
+       if (!data) {
                return NULL;
+       }
+       data += box->x;
 
-       return (uint8_t*)data + transfer->box.x;
+       return r600_buffer_get_transfer(ctx, resource, level, usage, box,
+                                       ptransfer, data, NULL, 0);
 }
 
 static void r600_buffer_transfer_unmap(struct pipe_context *pipe,
                                        struct pipe_transfer *transfer)
 {
-       struct r600_resource_buffer *rbuffer = r600_buffer(transfer->resource);
-
-       if (rbuffer->r.b.user_ptr)
-               return;
-
-       if (rbuffer->r.bo)
-               r600_bo_unmap((struct radeon*)pipe->winsys, rbuffer->r.bo);
-}
-
-static void r600_buffer_transfer_flush_region(struct pipe_context *pipe,
-                                               struct pipe_transfer *transfer,
-                                               const struct pipe_box *box)
-{
-}
+       struct r600_context *rctx = (struct r600_context*)pipe;
+       struct r600_transfer *rtransfer = (struct r600_transfer*)transfer;
+       struct r600_resource *rbuffer = r600_resource(transfer->resource);
+
+       if (rtransfer->staging) {
+               struct pipe_resource *dst, *src;
+               unsigned soffset, doffset, size;
+
+               dst = transfer->resource;
+               src = &rtransfer->staging->b.b;
+               size = transfer->box.width;
+               doffset = transfer->box.x;
+               soffset = rtransfer->offset + transfer->box.x % R600_MAP_BUFFER_ALIGNMENT;
+               /* Copy the staging buffer into the original one. */
+               if (rctx->b.rings.dma.cs && !(size % 4) && !(doffset % 4) && !(soffset % 4)) {
+                       if (rctx->screen->b.chip_class >= EVERGREEN) {
+                               evergreen_dma_copy(rctx, dst, src, doffset, soffset, size);
+                       } else {
+                               r600_dma_copy(rctx, dst, src, doffset, soffset, size);
+                       }
+               } else {
+                       struct pipe_box box;
+
+                       u_box_1d(soffset, size, &box);
+                       r600_copy_buffer(pipe, dst, doffset, src, &box);
+               }
+               pipe_resource_reference((struct pipe_resource**)&rtransfer->staging, NULL);
+       }
 
-static void r600_transfer_destroy(struct pipe_context *ctx,
-                                 struct pipe_transfer *transfer)
-{
-       struct r600_pipe_context *rctx = (struct r600_pipe_context*)ctx;
+       if (transfer->usage & PIPE_TRANSFER_WRITE) {
+               util_range_add(&rbuffer->valid_buffer_range, transfer->box.x,
+                              transfer->box.x + transfer->box.width);
+       }
        util_slab_free(&rctx->pool_transfers, transfer);
 }
 
-static void r600_buffer_transfer_inline_write(struct pipe_context *pipe,
-                                               struct pipe_resource *resource,
-                                               unsigned level,
-                                               unsigned usage,
-                                               const struct pipe_box *box,
-                                               const void *data,
-                                               unsigned stride,
-                                               unsigned layer_stride)
-{
-       struct radeon *ws = (struct radeon*)pipe->winsys;
-       struct r600_resource_buffer *rbuffer = r600_buffer(resource);
-       uint8_t *map = NULL;
-
-       assert(rbuffer->r.b.user_ptr == NULL);
-
-       map = r600_bo_map(ws, rbuffer->r.bo,
-                         PIPE_TRANSFER_WRITE | PIPE_TRANSFER_DISCARD | usage,
-                         pipe);
-
-       memcpy(map + box->x, data, box->width);
-
-       if (rbuffer->r.bo)
-               r600_bo_unmap(ws, rbuffer->r.bo);
-}
-
 static const struct u_resource_vtbl r600_buffer_vtbl =
 {
        u_default_resource_get_handle,          /* get_handle */
        r600_buffer_destroy,                    /* resource_destroy */
-       r600_get_transfer,                      /* get_transfer */
-       r600_transfer_destroy,                  /* transfer_destroy */
        r600_buffer_transfer_map,               /* transfer_map */
-       r600_buffer_transfer_flush_region,      /* transfer_flush_region */
+       NULL,                                   /* transfer_flush_region */
        r600_buffer_transfer_unmap,             /* transfer_unmap */
-       r600_buffer_transfer_inline_write       /* transfer_inline_write */
+       NULL                                    /* transfer_inline_write */
 };
 
-struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
-                                        const struct pipe_resource *templ)
+bool r600_init_resource(struct r600_screen *rscreen,
+                       struct r600_resource *res,
+                       unsigned size, unsigned alignment,
+                       bool use_reusable_pool, unsigned usage)
 {
-       struct r600_screen *rscreen = (struct r600_screen*)screen;
-       struct r600_resource_buffer *rbuffer;
-       struct r600_bo *bo;
-       /* XXX We probably want a different alignment for buffers and textures. */
-       unsigned alignment = 4096;
-
-       rbuffer = util_slab_alloc(&rscreen->pool_buffers);
-
-       rbuffer->magic = R600_BUFFER_MAGIC;
-       rbuffer->r.b.b.b = *templ;
-       pipe_reference_init(&rbuffer->r.b.b.b.reference, 1);
-       rbuffer->r.b.b.b.screen = screen;
-       rbuffer->r.b.b.vtbl = &r600_buffer_vtbl;
-       rbuffer->r.b.user_ptr = NULL;
-       rbuffer->r.size = rbuffer->r.b.b.b.width0;
-       rbuffer->r.bo_size = rbuffer->r.size;
-
-       bo = r600_bo((struct radeon*)screen->winsys,
-                    rbuffer->r.b.b.b.width0,
-                    alignment, rbuffer->r.b.b.b.bind,
-                    rbuffer->r.b.b.b.usage);
-
-       if (bo == NULL) {
-               FREE(rbuffer);
-               return NULL;
+       uint32_t initial_domain, domains;
+
+       switch(usage) {
+       case PIPE_USAGE_STAGING:
+               /* Staging resources participate in transfers, i.e. are used
+                * for uploads and downloads from regular resources.
+                * We generate them internally for some transfers.
+                */
+               initial_domain = RADEON_DOMAIN_GTT;
+               domains = RADEON_DOMAIN_GTT;
+               break;
+       case PIPE_USAGE_DYNAMIC:
+       case PIPE_USAGE_STREAM:
+               /* Default to GTT, but allow the memory manager to move it to VRAM. */
+               initial_domain = RADEON_DOMAIN_GTT;
+               domains = RADEON_DOMAIN_GTT | RADEON_DOMAIN_VRAM;
+               break;
+       case PIPE_USAGE_DEFAULT:
+       case PIPE_USAGE_STATIC:
+       case PIPE_USAGE_IMMUTABLE:
+       default:
+               /* Don't list GTT here, because the memory manager would put some
+                * resources to GTT no matter what the initial domain is.
+                * Not listing GTT in the domains improves performance a lot. */
+               initial_domain = RADEON_DOMAIN_VRAM;
+               domains = RADEON_DOMAIN_VRAM;
+               break;
        }
-       rbuffer->r.bo = bo;
-       return &rbuffer->r.b.b.b;
-}
 
-struct pipe_resource *r600_user_buffer_create(struct pipe_screen *screen,
-                                             void *ptr, unsigned bytes,
-                                             unsigned bind)
-{
-       struct r600_screen *rscreen = (struct r600_screen*)screen;
-       struct r600_resource_buffer *rbuffer;
-
-       rbuffer = util_slab_alloc(&rscreen->pool_buffers);
-
-       rbuffer->magic = R600_BUFFER_MAGIC;
-       pipe_reference_init(&rbuffer->r.b.b.b.reference, 1);
-       rbuffer->r.b.b.vtbl = &r600_buffer_vtbl;
-       rbuffer->r.b.b.b.screen = screen;
-       rbuffer->r.b.b.b.target = PIPE_BUFFER;
-       rbuffer->r.b.b.b.format = PIPE_FORMAT_R8_UNORM;
-       rbuffer->r.b.b.b.usage = PIPE_USAGE_IMMUTABLE;
-       rbuffer->r.b.b.b.bind = bind;
-       rbuffer->r.b.b.b.width0 = bytes;
-       rbuffer->r.b.b.b.height0 = 1;
-       rbuffer->r.b.b.b.depth0 = 1;
-       rbuffer->r.b.b.b.array_size = 1;
-       rbuffer->r.b.b.b.flags = 0;
-       rbuffer->r.b.user_ptr = ptr;
-       rbuffer->r.bo = NULL;
-       rbuffer->r.bo_size = 0;
-       return &rbuffer->r.b.b.b;
-}
-
-struct pipe_resource *r600_buffer_from_handle(struct pipe_screen *screen,
-                                             struct winsys_handle *whandle)
-{
-       struct radeon *rw = (struct radeon*)screen->winsys;
-       struct r600_resource *rbuffer;
-       struct r600_bo *bo = NULL;
-
-       bo = r600_bo_handle(rw, whandle->handle, NULL);
-       if (bo == NULL) {
-               return NULL;
+       res->buf = rscreen->b.ws->buffer_create(rscreen->b.ws, size, alignment,
+                                              use_reusable_pool,
+                                              initial_domain);
+       if (!res->buf) {
+               return false;
        }
 
-       rbuffer = CALLOC_STRUCT(r600_resource);
-       if (rbuffer == NULL) {
-               r600_bo_reference(rw, &bo, NULL);
-               return NULL;
-       }
+       res->cs_buf = rscreen->b.ws->buffer_get_cs_handle(res->buf);
+       res->domains = domains;
+       util_range_set_empty(&res->valid_buffer_range);
 
-       pipe_reference_init(&rbuffer->b.b.b.reference, 1);
-       rbuffer->b.b.b.target = PIPE_BUFFER;
-       rbuffer->b.b.b.screen = screen;
-       rbuffer->b.b.vtbl = &r600_buffer_vtbl;
-       rbuffer->bo = bo;
-       return &rbuffer->b.b.b;
+       if (rscreen->debug_flags & DBG_VM && res->b.b.target == PIPE_BUFFER) {
+               fprintf(stderr, "VM start=0x%llX  end=0x%llX | Buffer %u bytes\n",
+                       r600_resource_va(&rscreen->b.b, &res->b.b),
+                       r600_resource_va(&rscreen->b.b, &res->b.b) + res->buf->size,
+                       res->buf->size);
+       }
+       return true;
 }
 
-void r600_upload_index_buffer(struct r600_pipe_context *rctx, struct r600_drawl *draw)
+struct pipe_resource *r600_buffer_create(struct pipe_screen *screen,
+                                        const struct pipe_resource *templ,
+                                        unsigned alignment)
 {
-       struct r600_resource_buffer *rbuffer = r600_buffer(draw->index_buffer);
-       boolean flushed;
-
-       u_upload_data(rctx->vbuf_mgr->uploader, 0,
-                     draw->info.count * draw->index_size,
-                     rbuffer->r.b.user_ptr,
-                     &draw->index_buffer_offset,
-                     &draw->index_buffer, &flushed);
-}
+       struct r600_screen *rscreen = (struct r600_screen*)screen;
+       struct r600_resource *rbuffer;
 
-void r600_upload_const_buffer(struct r600_pipe_context *rctx, struct r600_resource_buffer **rbuffer,
-                            uint32_t *const_offset)
-{
-       if ((*rbuffer)->r.b.user_ptr) {
-               uint8_t *ptr = (*rbuffer)->r.b.user_ptr;
-               unsigned size = (*rbuffer)->r.b.b.b.width0;
-               boolean flushed;
+       rbuffer = MALLOC_STRUCT(r600_resource);
 
-               *rbuffer = NULL;
+       rbuffer->b.b = *templ;
+       pipe_reference_init(&rbuffer->b.b.reference, 1);
+       rbuffer->b.b.screen = screen;
+       rbuffer->b.vtbl = &r600_buffer_vtbl;
+       util_range_init(&rbuffer->valid_buffer_range);
 
-               u_upload_data(rctx->vbuf_mgr->uploader, 0, size, ptr, const_offset,
-                             (struct pipe_resource**)rbuffer, &flushed);
-       } else {
-               *const_offset = 0;
+       if (!r600_init_resource(rscreen, rbuffer, templ->width0, alignment, TRUE, templ->usage)) {
+               FREE(rbuffer);
+               return NULL;
        }
+       return &rbuffer->b.b;
 }