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Diffstat (limited to 'src/gallium/drivers/nvc0/nvc0_miptree.c')
-rw-r--r--src/gallium/drivers/nvc0/nvc0_miptree.c319
1 files changed, 319 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvc0/nvc0_miptree.c b/src/gallium/drivers/nvc0/nvc0_miptree.c
new file mode 100644
index 0000000000..bced324552
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_miptree.c
@@ -0,0 +1,319 @@
+/*
+ * Copyright 2008 Ben Skeggs
+ *
+ * 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
+ * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS 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.
+ */
+
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+
+#include "nvc0_context.h"
+#include "nvc0_resource.h"
+#include "nvc0_transfer.h"
+
+static INLINE uint32_t
+get_tile_dims(unsigned nx, unsigned ny, unsigned nz)
+{
+ uint32_t tile_mode = 0x000;
+
+ if (ny > 64) tile_mode = 0x040; /* height 128 tiles */
+ else
+ if (ny > 32) tile_mode = 0x030; /* height 64 tiles */
+ else
+ if (ny > 16) tile_mode = 0x020; /* height 32 tiles */
+ else
+ if (ny > 8) tile_mode = 0x010; /* height 16 tiles */
+
+ if (nz == 1)
+ return tile_mode;
+ else
+ if (tile_mode > 0x020)
+ tile_mode = 0x020;
+
+ if (nz > 16 && tile_mode < 0x020)
+ return tile_mode | 0x500; /* depth 32 tiles */
+ if (nz > 8) return tile_mode | 0x400; /* depth 16 tiles */
+ if (nz > 4) return tile_mode | 0x300; /* depth 8 tiles */
+ if (nz > 2) return tile_mode | 0x200; /* depth 4 tiles */
+
+ return tile_mode | 0x100;
+}
+
+uint32_t
+nvc0_miptree_zslice_offset(struct nvc0_miptree *mt, unsigned l, unsigned z)
+{
+ unsigned nblocksy; /* height of texture level aligned to tile height */
+
+ unsigned stride_2d; /* to next slice within a 3D tile */
+ unsigned stride_3d; /* to slice in the next (in z direction !) 3D tile */
+
+ unsigned tile_d_shift = NVC0_TILE_DIM_SHIFT(mt->level[l].tile_mode, 2);
+ unsigned tile_d = 1 << tile_d_shift;
+
+ nblocksy = util_format_get_nblocksy(mt->base.base.format,
+ u_minify(mt->base.base.height0, l));
+
+ nblocksy = align(nblocksy, NVC0_TILE_HEIGHT(mt->level[l].tile_mode));
+
+ stride_2d = NVC0_TILE_SIZE_2D(mt->level[l].tile_mode);
+
+ stride_3d = (nblocksy * mt->level[l].pitch) << tile_d_shift;
+
+ return (z & (tile_d - 1)) * stride_2d + (z >> tile_d_shift) * stride_3d;
+}
+
+static void
+nvc0_miptree_destroy(struct pipe_screen *pscreen, struct pipe_resource *pt)
+{
+ struct nvc0_miptree *mt = nvc0_miptree(pt);
+
+ nouveau_screen_bo_release(pscreen, mt->base.bo);
+
+ FREE(mt);
+}
+
+static boolean
+nvc0_miptree_get_handle(struct pipe_screen *pscreen,
+ struct pipe_resource *pt,
+ struct winsys_handle *whandle)
+{
+ struct nvc0_miptree *mt = nvc0_miptree(pt);
+ unsigned stride;
+
+ if (!mt || !mt->base.bo)
+ return FALSE;
+
+ stride = util_format_get_stride(mt->base.base.format,
+ mt->base.base.width0);
+
+ return nouveau_screen_bo_get_handle(pscreen,
+ mt->base.bo,
+ stride,
+ whandle);
+}
+
+const struct u_resource_vtbl nvc0_miptree_vtbl =
+{
+ nvc0_miptree_get_handle, /* get_handle */
+ nvc0_miptree_destroy, /* resource_destroy */
+ nvc0_miptree_transfer_new, /* get_transfer */
+ nvc0_miptree_transfer_del, /* transfer_destroy */
+ nvc0_miptree_transfer_map, /* transfer_map */
+ u_default_transfer_flush_region, /* transfer_flush_region */
+ nvc0_miptree_transfer_unmap, /* transfer_unmap */
+ u_default_transfer_inline_write /* transfer_inline_write */
+};
+
+struct pipe_resource *
+nvc0_miptree_create(struct pipe_screen *pscreen,
+ const struct pipe_resource *templ)
+{
+ struct nouveau_device *dev = nouveau_screen(pscreen)->device;
+ struct nvc0_miptree *mt = CALLOC_STRUCT(nvc0_miptree);
+ struct pipe_resource *pt = &mt->base.base;
+ int ret;
+ unsigned w, h, d, l, alloc_size;
+ uint32_t tile_flags;
+
+ if (!mt)
+ return NULL;
+
+ mt->base.vtbl = &nvc0_miptree_vtbl;
+ *pt = *templ;
+ pipe_reference_init(&pt->reference, 1);
+ pt->screen = pscreen;
+
+ mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
+ w = pt->width0;
+ h = pt->height0;
+ d = mt->layout_3d ? pt->depth0 : 1;
+
+ switch (pt->format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ tile_flags = 0x0700; /* COMPRESSED */
+ tile_flags = 0x0100; /* NORMAL */
+ break;
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ tile_flags = 0x5300; /* MSAA 4, COMPRESSED */
+ tile_flags = 0x4600; /* NORMAL */
+ break;
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ tile_flags = 0x1100; /* NORMAL */
+ if (w * h >= 128 * 128 && 0)
+ tile_flags = 0x1700; /* COMPRESSED, requires magic */
+ break;
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ tile_flags = 0xf500; /* COMPRESSED */
+ tile_flags = 0xf700; /* MSAA 2 */
+ tile_flags = 0xf900; /* MSAA 4 */
+ tile_flags = 0xfe00; /* NORMAL */
+ break;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_USCALED:
+ tile_flags = 0xce00; /* COMPRESSED */
+ tile_flags = 0xcf00; /* MSAA 2, COMPRESSED */
+ tile_flags = 0xd000; /* MSAA 4, COMPRESSED */
+ tile_flags = 0xc300; /* NORMAL */
+ break;
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ tile_flags = 0xe900; /* COMPRESSED */
+ tile_flags = 0xfe00; /* NORMAL */
+ break;
+ default:
+ tile_flags = 0xe000; /* MSAA 4, COMPRESSED 32 BIT */
+ tile_flags = 0xfe00; /* NORMAL 32 BIT */
+ if (w * h >= 128 * 128 && 0)
+ tile_flags = 0xdb00; /* COMPRESSED 32 BIT, requires magic */
+ break;
+ }
+
+ /* For 3D textures, a mipmap is spanned by all the layers, for array
+ * textures and cube maps, each layer contains its own mipmaps.
+ */
+ for (l = 0; l <= pt->last_level; ++l) {
+ struct nvc0_miptree_level *lvl = &mt->level[l];
+ unsigned nbx = util_format_get_nblocksx(pt->format, w);
+ unsigned nby = util_format_get_nblocksy(pt->format, h);
+ unsigned blocksize = util_format_get_blocksize(pt->format);
+
+ lvl->offset = mt->total_size;
+ lvl->tile_mode = get_tile_dims(nbx, nby, d);
+ lvl->pitch = align(nbx * blocksize, NVC0_TILE_PITCH(lvl->tile_mode));
+
+ mt->total_size += lvl->pitch *
+ align(nby, NVC0_TILE_HEIGHT(lvl->tile_mode)) *
+ align(d, NVC0_TILE_DEPTH(lvl->tile_mode));
+
+ w = u_minify(w, 1);
+ h = u_minify(h, 1);
+ d = u_minify(d, 1);
+ }
+
+ if (pt->array_size > 1) {
+ mt->layer_stride = align(mt->total_size,
+ NVC0_TILE_SIZE(mt->level[0].tile_mode));
+ mt->total_size = mt->layer_stride * pt->array_size;
+ }
+
+ alloc_size = mt->total_size;
+ if (tile_flags == 0x1700)
+ alloc_size *= 3; /* HiZ, XXX: correct size */
+
+ ret = nouveau_bo_new_tile(dev, NOUVEAU_BO_VRAM, 256, alloc_size,
+ mt->level[0].tile_mode, tile_flags,
+ &mt->base.bo);
+ if (ret) {
+ FREE(mt);
+ return NULL;
+ }
+ mt->base.domain = NOUVEAU_BO_VRAM;
+
+ return pt;
+}
+
+struct pipe_resource *
+nvc0_miptree_from_handle(struct pipe_screen *pscreen,
+ const struct pipe_resource *templ,
+ struct winsys_handle *whandle)
+{
+ struct nvc0_miptree *mt;
+ unsigned stride;
+
+ /* only supports 2D, non-mipmapped textures for the moment */
+ if ((templ->target != PIPE_TEXTURE_2D &&
+ templ->target != PIPE_TEXTURE_RECT) ||
+ templ->last_level != 0 ||
+ templ->depth0 != 1 ||
+ templ->array_size > 1)
+ return NULL;
+
+ mt = CALLOC_STRUCT(nvc0_miptree);
+ if (!mt)
+ return NULL;
+
+ mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
+ if (mt->base.bo == NULL) {
+ FREE(mt);
+ return NULL;
+ }
+
+ mt->base.base = *templ;
+ mt->base.vtbl = &nvc0_miptree_vtbl;
+ pipe_reference_init(&mt->base.base.reference, 1);
+ mt->base.base.screen = pscreen;
+ mt->level[0].pitch = stride;
+ mt->level[0].offset = 0;
+ mt->level[0].tile_mode = mt->base.bo->tile_mode;
+
+ /* no need to adjust bo reference count */
+ return &mt->base.base;
+}
+
+
+/* Surface functions.
+ */
+
+struct pipe_surface *
+nvc0_miptree_surface_new(struct pipe_context *pipe,
+ struct pipe_resource *pt,
+ const struct pipe_surface *templ)
+{
+ struct nvc0_miptree *mt = nvc0_miptree(pt); /* guaranteed */
+ struct nvc0_surface *ns;
+ struct pipe_surface *ps;
+ struct nvc0_miptree_level *lvl = &mt->level[templ->u.tex.level];
+
+ ns = CALLOC_STRUCT(nvc0_surface);
+ if (!ns)
+ return NULL;
+ ps = &ns->base;
+
+ pipe_reference_init(&ps->reference, 1);
+ pipe_resource_reference(&ps->texture, pt);
+ ps->context = pipe;
+ ps->format = templ->format;
+ ps->usage = templ->usage;
+ ps->u.tex.level = templ->u.tex.level;
+ ps->u.tex.first_layer = templ->u.tex.first_layer;
+ ps->u.tex.last_layer = templ->u.tex.last_layer;
+
+ ns->width = u_minify(pt->width0, ps->u.tex.level);
+ ns->height = u_minify(pt->height0, ps->u.tex.level);
+ ns->depth = ps->u.tex.last_layer - ps->u.tex.first_layer + 1;
+ ns->offset = lvl->offset;
+
+ /* comment says there are going to be removed, but they're used by the st */
+ ps->width = ns->width;
+ ps->height = ns->height;
+
+ return ps;
+}
+
+void
+nvc0_miptree_surface_del(struct pipe_context *pipe, struct pipe_surface *ps)
+{
+ struct nvc0_surface *s = nvc0_surface(ps);
+
+ pipe_resource_reference(&ps->texture, NULL);
+
+ FREE(s);
+}