freedreno/ir3: split out shader compiler from a3xx
[mesa.git] / src / gallium / drivers / freedreno / freedreno_resource.c
index b5efdce469d6d8e7789d084ad9c434207e3734f6..ebc134a3bb0e116eaa78e2bd379296b3e2ad7834 100644 (file)
 #include "freedreno_screen.h"
 #include "freedreno_surface.h"
 #include "freedreno_context.h"
+#include "freedreno_query_hw.h"
 #include "freedreno_util.h"
 
-static void *
-fd_resource_transfer_map(struct pipe_context *pctx,
-               struct pipe_resource *prsc,
-               unsigned level, unsigned usage,
-               const struct pipe_box *box,
-               struct pipe_transfer **pptrans)
-{
-       struct fd_context *ctx = fd_context(pctx);
-       struct fd_resource *rsc = fd_resource(prsc);
-       struct pipe_transfer *ptrans = util_slab_alloc(&ctx->transfer_pool);
-       enum pipe_format format = prsc->format;
-       char *buf;
+#include <errno.h>
 
-       if (!ptrans)
-               return NULL;
-
-       ptrans->resource = prsc;
-       ptrans->level = level;
-       ptrans->usage = usage;
-       ptrans->box = *box;
-       ptrans->stride = rsc->pitch * rsc->cpp;
-       ptrans->layer_stride = ptrans->stride;
+static void
+realloc_bo(struct fd_resource *rsc, uint32_t size)
+{
+       struct fd_screen *screen = fd_screen(rsc->base.b.screen);
+       uint32_t flags = DRM_FREEDRENO_GEM_CACHE_WCOMBINE |
+                       DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
 
-       buf = fd_bo_map(rsc->bo);
+       /* if we start using things other than write-combine,
+        * be sure to check for PIPE_RESOURCE_FLAG_MAP_COHERENT
+        */
 
-       *pptrans = ptrans;
+       if (rsc->bo)
+               fd_bo_del(rsc->bo);
 
-       return buf +
-               box->y / util_format_get_blockheight(format) * ptrans->stride +
-               box->x / util_format_get_blockwidth(format) * rsc->cpp;
+       rsc->bo = fd_bo_new(screen->dev, size, flags);
+       rsc->timestamp = 0;
+       rsc->dirty = false;
 }
 
 static void fd_resource_transfer_flush_region(struct pipe_context *pctx,
@@ -91,15 +81,89 @@ fd_resource_transfer_unmap(struct pipe_context *pctx,
                struct pipe_transfer *ptrans)
 {
        struct fd_context *ctx = fd_context(pctx);
+       struct fd_resource *rsc = fd_resource(ptrans->resource);
+       if (!(ptrans->usage & PIPE_TRANSFER_UNSYNCHRONIZED))
+               fd_bo_cpu_fini(rsc->bo);
+       pipe_resource_reference(&ptrans->resource, NULL);
        util_slab_free(&ctx->transfer_pool, ptrans);
 }
 
+static void *
+fd_resource_transfer_map(struct pipe_context *pctx,
+               struct pipe_resource *prsc,
+               unsigned level, unsigned usage,
+               const struct pipe_box *box,
+               struct pipe_transfer **pptrans)
+{
+       struct fd_context *ctx = fd_context(pctx);
+       struct fd_resource *rsc = fd_resource(prsc);
+       struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
+       struct pipe_transfer *ptrans;
+       enum pipe_format format = prsc->format;
+       uint32_t op = 0;
+       char *buf;
+       int ret = 0;
+
+       ptrans = util_slab_alloc(&ctx->transfer_pool);
+       if (!ptrans)
+               return NULL;
+
+       /* util_slab_alloc() doesn't zero: */
+       memset(ptrans, 0, sizeof(*ptrans));
+
+       pipe_resource_reference(&ptrans->resource, prsc);
+       ptrans->level = level;
+       ptrans->usage = usage;
+       ptrans->box = *box;
+       ptrans->stride = slice->pitch * rsc->cpp;
+       ptrans->layer_stride = ptrans->stride;
+
+       if (usage & PIPE_TRANSFER_READ)
+               op |= DRM_FREEDRENO_PREP_READ;
+
+       if (usage & PIPE_TRANSFER_WRITE)
+               op |= DRM_FREEDRENO_PREP_WRITE;
+
+       if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)
+               op |= DRM_FREEDRENO_PREP_NOSYNC;
+
+       /* some state trackers (at least XA) don't do this.. */
+       if (!(usage & (PIPE_TRANSFER_FLUSH_EXPLICIT | PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)))
+               fd_resource_transfer_flush_region(pctx, ptrans, box);
+
+       if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
+               ret = fd_bo_cpu_prep(rsc->bo, ctx->screen->pipe, op);
+               if ((ret == -EBUSY) && (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE))
+                       realloc_bo(rsc, fd_bo_size(rsc->bo));
+               else if (ret)
+                       goto fail;
+       }
+
+       buf = fd_bo_map(rsc->bo);
+       if (!buf) {
+               fd_resource_transfer_unmap(pctx, ptrans);
+               return NULL;
+       }
+
+       *pptrans = ptrans;
+
+       return buf + slice->offset +
+               box->y / util_format_get_blockheight(format) * ptrans->stride +
+               box->x / util_format_get_blockwidth(format) * rsc->cpp +
+               box->z * slice->size0;
+
+fail:
+       fd_resource_transfer_unmap(pctx, ptrans);
+       return NULL;
+}
+
 static void
 fd_resource_destroy(struct pipe_screen *pscreen,
                struct pipe_resource *prsc)
 {
        struct fd_resource *rsc = fd_resource(prsc);
-       fd_bo_del(rsc->bo);
+       if (rsc->bo)
+               fd_bo_del(rsc->bo);
        FREE(rsc);
 }
 
@@ -110,11 +174,12 @@ fd_resource_get_handle(struct pipe_screen *pscreen,
 {
        struct fd_resource *rsc = fd_resource(prsc);
 
-       return fd_screen_bo_get_handle(pscreen, rsc->bo, rsc->pitch, handle);
+       return fd_screen_bo_get_handle(pscreen, rsc->bo,
+                       rsc->slices[0].pitch * rsc->cpp, handle);
 }
 
 
-const struct u_resource_vtbl fd_resource_vtbl = {
+static const struct u_resource_vtbl fd_resource_vtbl = {
                .resource_get_handle      = fd_resource_get_handle,
                .resource_destroy         = fd_resource_destroy,
                .transfer_map             = fd_resource_transfer_map,
@@ -123,6 +188,33 @@ const struct u_resource_vtbl fd_resource_vtbl = {
                .transfer_inline_write    = u_default_transfer_inline_write,
 };
 
+static uint32_t
+setup_slices(struct fd_resource *rsc)
+{
+       struct pipe_resource *prsc = &rsc->base.b;
+       uint32_t level, size = 0;
+       uint32_t width = prsc->width0;
+       uint32_t height = prsc->height0;
+       uint32_t depth = prsc->depth0;
+
+       for (level = 0; level <= prsc->last_level; level++) {
+               struct fd_resource_slice *slice = fd_resource_slice(rsc, level);
+               uint32_t aligned_width = align(width, 32);
+
+               slice->pitch = aligned_width;
+               slice->offset = size;
+               slice->size0 = slice->pitch * height * rsc->cpp;
+
+               size += slice->size0 * depth * prsc->array_size;
+
+               width = u_minify(width, 1);
+               height = u_minify(height, 1);
+               depth = u_minify(depth, 1);
+       }
+
+       return size;
+}
+
 /**
  * Create a new texture object, using the given template info.
  */
@@ -130,12 +222,11 @@ static struct pipe_resource *
 fd_resource_create(struct pipe_screen *pscreen,
                const struct pipe_resource *tmpl)
 {
-       struct fd_screen *screen = fd_screen(pscreen);
        struct fd_resource *rsc = CALLOC_STRUCT(fd_resource);
        struct pipe_resource *prsc = &rsc->base.b;
-       uint32_t flags, size;
+       uint32_t size;
 
-       DBG("target=%d, format=%s, %ux%u@%u, array_size=%u, last_level=%u, "
+       DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
                        "nr_samples=%u, usage=%u, bind=%x, flags=%x",
                        tmpl->target, util_format_name(tmpl->format),
                        tmpl->width0, tmpl->height0, tmpl->depth0,
@@ -151,15 +242,20 @@ fd_resource_create(struct pipe_screen *pscreen,
        prsc->screen = pscreen;
 
        rsc->base.vtbl = &fd_resource_vtbl;
-       rsc->pitch = align(tmpl->width0, 32);
        rsc->cpp = util_format_get_blocksize(tmpl->format);
 
-       size = rsc->pitch * tmpl->height0 * rsc->cpp;
-       flags = DRM_FREEDRENO_GEM_TYPE_KMEM; /* TODO */
+       assert(rsc->cpp);
 
-       rsc->bo = fd_bo_new(screen->dev, size, flags);
+       size = setup_slices(rsc);
+
+       realloc_bo(rsc, size);
+       if (!rsc->bo)
+               goto fail;
 
        return prsc;
+fail:
+       fd_resource_destroy(pscreen, prsc);
+       return NULL;
 }
 
 /**
@@ -173,9 +269,10 @@ fd_resource_from_handle(struct pipe_screen *pscreen,
                struct winsys_handle *handle)
 {
        struct fd_resource *rsc = CALLOC_STRUCT(fd_resource);
+       struct fd_resource_slice *slice = &rsc->slices[0];
        struct pipe_resource *prsc = &rsc->base.b;
 
-       DBG("target=%d, format=%s, %ux%u@%u, array_size=%u, last_level=%u, "
+       DBG("target=%d, format=%s, %ux%ux%u, array_size=%u, last_level=%u, "
                        "nr_samples=%u, usage=%u, bind=%x, flags=%x",
                        tmpl->target, util_format_name(tmpl->format),
                        tmpl->width0, tmpl->height0, tmpl->depth0,
@@ -190,14 +287,25 @@ fd_resource_from_handle(struct pipe_screen *pscreen,
        pipe_reference_init(&prsc->reference, 1);
        prsc->screen = pscreen;
 
-       rsc->bo = fd_screen_bo_from_handle(pscreen, handle, &rsc->pitch);
+       rsc->bo = fd_screen_bo_from_handle(pscreen, handle, &slice->pitch);
+       if (!rsc->bo)
+               goto fail;
 
        rsc->base.vtbl = &fd_resource_vtbl;
-       rsc->pitch = align(tmpl->width0, 32);
+       rsc->cpp = util_format_get_blocksize(tmpl->format);
+       slice->pitch /= rsc->cpp;
+
+       assert(rsc->cpp);
 
        return prsc;
+
+fail:
+       fd_resource_destroy(pscreen, prsc);
+       return NULL;
 }
 
+static bool render_blit(struct pipe_context *pctx, struct pipe_blit_info *info);
+
 /**
  * Copy a block of pixels from one resource to another.
  * The resource must be of the same format.
@@ -212,8 +320,32 @@ fd_resource_copy_region(struct pipe_context *pctx,
                unsigned src_level,
                const struct pipe_box *src_box)
 {
-       DBG("TODO: ");
-       // TODO
+       /* TODO if we have 2d core, or other DMA engine that could be used
+        * for simple copies and reasonably easily synchronized with the 3d
+        * core, this is where we'd plug it in..
+        */
+       struct pipe_blit_info info = {
+               .dst = {
+                       .resource = dst,
+                       .box = {
+                               .x      = dstx,
+                               .y      = dsty,
+                               .z      = dstz,
+                               .width  = src_box->width,
+                               .height = src_box->height,
+                               .depth  = src_box->depth,
+                       },
+                       .format = util_format_linear(dst->format),
+               },
+               .src = {
+                       .resource = src,
+                       .box      = *src_box,
+                       .format   = util_format_linear(src->format),
+               },
+               .mask = PIPE_MASK_RGBA,
+               .filter = PIPE_TEX_FILTER_NEAREST,
+       };
+       render_blit(pctx, &info);
 }
 
 /* Optimal hardware path for blitting pixels.
@@ -222,7 +354,6 @@ fd_resource_copy_region(struct pipe_context *pctx,
 static void
 fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
 {
-       struct fd_context *ctx = fd_context(pctx);
        struct pipe_blit_info info = *blit_info;
 
        if (info.src.resource->nr_samples > 1 &&
@@ -242,11 +373,19 @@ fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
                info.mask &= ~PIPE_MASK_S;
        }
 
-       if (!util_blitter_is_blit_supported(ctx->blitter, &info)) {
+       render_blit(pctx, &info);
+}
+
+static bool
+render_blit(struct pipe_context *pctx, struct pipe_blit_info *info)
+{
+       struct fd_context *ctx = fd_context(pctx);
+
+       if (!util_blitter_is_blit_supported(ctx->blitter, info)) {
                DBG("blit unsupported %s -> %s",
-                               util_format_short_name(info.src.resource->format),
-                               util_format_short_name(info.dst.resource->format));
-               return;
+                               util_format_short_name(info->src.resource->format),
+                               util_format_short_name(info->dst.resource->format));
+               return false;
        }
 
        util_blitter_save_vertex_buffer_slot(ctx->blitter, ctx->vertexbuf.vb);
@@ -267,7 +406,16 @@ fd_blit(struct pipe_context *pctx, const struct pipe_blit_info *blit_info)
        util_blitter_save_fragment_sampler_views(ctx->blitter,
                        ctx->fragtex.num_textures, ctx->fragtex.textures);
 
-       util_blitter_blit(ctx->blitter, &info);
+       fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_BLIT);
+       util_blitter_blit(ctx->blitter, info);
+       fd_hw_query_set_stage(ctx, ctx->ring, FD_STAGE_NULL);
+
+       return true;
+}
+
+static void
+fd_flush_resource(struct pipe_context *ctx, struct pipe_resource *resource)
+{
 }
 
 void
@@ -290,4 +438,5 @@ fd_resource_context_init(struct pipe_context *pctx)
        pctx->surface_destroy = fd_surface_destroy;
        pctx->resource_copy_region = fd_resource_copy_region;
        pctx->blit = fd_blit;
+       pctx->flush_resource = fd_flush_resource;
 }