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path: root/src/gallium/drivers/nouveau/nvc0/nvc0_miptree.c
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Diffstat (limited to 'src/gallium/drivers/nouveau/nvc0/nvc0_miptree.c')
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_miptree.c358
1 files changed, 358 insertions, 0 deletions
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_miptree.c b/src/gallium/drivers/nouveau/nvc0/nvc0_miptree.c
new file mode 100644
index 00000000000..79c9390b78f
--- /dev/null
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_miptree.c
@@ -0,0 +1,358 @@
+/*
+ * 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 OR COPYRIGHT HOLDERS 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/nvc0_context.h"
+#include "nvc0/nvc0_resource.h"
+
+static uint32_t
+nvc0_tex_choose_tile_dims(unsigned nx, unsigned ny, unsigned nz)
+{
+ return nv50_tex_choose_tile_dims_helper(nx, ny, nz);
+}
+
+static uint32_t
+nvc0_mt_choose_storage_type(struct nv50_miptree *mt, boolean compressed)
+{
+ const unsigned ms = util_logbase2(mt->base.base.nr_samples);
+
+ uint32_t tile_flags;
+
+ if (unlikely(mt->base.base.bind & PIPE_BIND_CURSOR))
+ return 0;
+ if (unlikely(mt->base.base.flags & NOUVEAU_RESOURCE_FLAG_LINEAR))
+ return 0;
+
+ switch (mt->base.base.format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ if (compressed)
+ tile_flags = 0x02 + ms;
+ else
+ tile_flags = 0x01;
+ break;
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+ if (compressed)
+ tile_flags = 0x51 + ms;
+ else
+ tile_flags = 0x46;
+ break;
+ case PIPE_FORMAT_Z24X8_UNORM:
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+ if (compressed)
+ tile_flags = 0x17 + ms;
+ else
+ tile_flags = 0x11;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT:
+ if (compressed)
+ tile_flags = 0x86 + ms;
+ else
+ tile_flags = 0x7b;
+ break;
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ if (compressed)
+ tile_flags = 0xce + ms;
+ else
+ tile_flags = 0xc3;
+ break;
+ default:
+ switch (util_format_get_blocksizebits(mt->base.base.format)) {
+ case 128:
+ if (compressed)
+ tile_flags = 0xf4 + ms * 2;
+ else
+ tile_flags = 0xfe;
+ break;
+ case 64:
+ if (compressed) {
+ switch (ms) {
+ case 0: tile_flags = 0xe6; break;
+ case 1: tile_flags = 0xeb; break;
+ case 2: tile_flags = 0xed; break;
+ case 3: tile_flags = 0xf2; break;
+ default:
+ return 0;
+ }
+ } else {
+ tile_flags = 0xfe;
+ }
+ break;
+ case 32:
+ if (compressed && ms) {
+ switch (ms) {
+ /* This one makes things blurry:
+ case 0: tile_flags = 0xdb; break;
+ */
+ case 1: tile_flags = 0xdd; break;
+ case 2: tile_flags = 0xdf; break;
+ case 3: tile_flags = 0xe4; break;
+ default:
+ return 0;
+ }
+ } else {
+ tile_flags = 0xfe;
+ }
+ break;
+ case 16:
+ case 8:
+ tile_flags = 0xfe;
+ break;
+ default:
+ return 0;
+ }
+ break;
+ }
+
+ return tile_flags;
+}
+
+static INLINE boolean
+nvc0_miptree_init_ms_mode(struct nv50_miptree *mt)
+{
+ switch (mt->base.base.nr_samples) {
+ case 8:
+ mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS8;
+ mt->ms_x = 2;
+ mt->ms_y = 1;
+ break;
+ case 4:
+ mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS4;
+ mt->ms_x = 1;
+ mt->ms_y = 1;
+ break;
+ case 2:
+ mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS2;
+ mt->ms_x = 1;
+ break;
+ case 1:
+ case 0:
+ mt->ms_mode = NVC0_3D_MULTISAMPLE_MODE_MS1;
+ break;
+ default:
+ NOUVEAU_ERR("invalid nr_samples: %u\n", mt->base.base.nr_samples);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static void
+nvc0_miptree_init_layout_video(struct nv50_miptree *mt)
+{
+ const struct pipe_resource *pt = &mt->base.base;
+ const unsigned blocksize = util_format_get_blocksize(pt->format);
+
+ assert(pt->last_level == 0);
+ assert(mt->ms_x == 0 && mt->ms_y == 0);
+ assert(!util_format_is_compressed(pt->format));
+
+ mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
+ mt->level[0].tile_mode = 0x10;
+ mt->level[0].pitch = align(pt->width0 * blocksize, 64);
+ mt->total_size = align(pt->height0, 16) * mt->level[0].pitch * (mt->layout_3d ? pt->depth0 : 1);
+
+ if (pt->array_size > 1) {
+ mt->layer_stride = align(mt->total_size, NVC0_TILE_SIZE(0x10));
+ mt->total_size = mt->layer_stride * pt->array_size;
+ }
+}
+
+static void
+nvc0_miptree_init_layout_tiled(struct nv50_miptree *mt)
+{
+ struct pipe_resource *pt = &mt->base.base;
+ unsigned w, h, d, l;
+ const unsigned blocksize = util_format_get_blocksize(pt->format);
+
+ mt->layout_3d = pt->target == PIPE_TEXTURE_3D;
+
+ w = pt->width0 << mt->ms_x;
+ h = pt->height0 << mt->ms_y;
+
+ /* For 3D textures, a mipmap is spanned by all the layers, for array
+ * textures and cube maps, each layer contains its own mipmaps.
+ */
+ d = mt->layout_3d ? pt->depth0 : 1;
+
+ assert(!mt->ms_mode || !pt->last_level);
+
+ for (l = 0; l <= pt->last_level; ++l) {
+ struct nv50_miptree_level *lvl = &mt->level[l];
+ unsigned tsx, tsy, tsz;
+ unsigned nbx = util_format_get_nblocksx(pt->format, w);
+ unsigned nby = util_format_get_nblocksy(pt->format, h);
+
+ lvl->offset = mt->total_size;
+
+ lvl->tile_mode = nvc0_tex_choose_tile_dims(nbx, nby, d);
+
+ tsx = NVC0_TILE_SIZE_X(lvl->tile_mode); /* x is tile row pitch in bytes */
+ tsy = NVC0_TILE_SIZE_Y(lvl->tile_mode);
+ tsz = NVC0_TILE_SIZE_Z(lvl->tile_mode);
+
+ lvl->pitch = align(nbx * blocksize, tsx);
+
+ mt->total_size += lvl->pitch * align(nby, tsy) * align(d, tsz);
+
+ 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;
+ }
+}
+
+const struct u_resource_vtbl nvc0_miptree_vtbl =
+{
+ nv50_miptree_get_handle, /* get_handle */
+ nv50_miptree_destroy, /* resource_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 nv50_miptree *mt = CALLOC_STRUCT(nv50_miptree);
+ struct pipe_resource *pt = &mt->base.base;
+ boolean compressed = dev->drm_version >= 0x01000101;
+ int ret;
+ union nouveau_bo_config bo_config;
+ uint32_t bo_flags;
+
+ if (!mt)
+ return NULL;
+
+ mt->base.vtbl = &nvc0_miptree_vtbl;
+ *pt = *templ;
+ pipe_reference_init(&pt->reference, 1);
+ pt->screen = pscreen;
+
+ if (pt->usage == PIPE_USAGE_STAGING) {
+ switch (pt->target) {
+ case PIPE_TEXTURE_1D:
+ case PIPE_TEXTURE_2D:
+ case PIPE_TEXTURE_RECT:
+ if (pt->last_level == 0 &&
+ !util_format_is_depth_or_stencil(pt->format) &&
+ pt->nr_samples <= 1)
+ pt->flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (pt->bind & PIPE_BIND_LINEAR)
+ pt->flags |= NOUVEAU_RESOURCE_FLAG_LINEAR;
+
+ bo_config.nvc0.memtype = nvc0_mt_choose_storage_type(mt, compressed);
+
+ if (!nvc0_miptree_init_ms_mode(mt)) {
+ FREE(mt);
+ return NULL;
+ }
+
+ if (unlikely(pt->flags & NVC0_RESOURCE_FLAG_VIDEO)) {
+ nvc0_miptree_init_layout_video(mt);
+ } else
+ if (likely(bo_config.nvc0.memtype)) {
+ nvc0_miptree_init_layout_tiled(mt);
+ } else
+ if (!nv50_miptree_init_layout_linear(mt, 128)) {
+ FREE(mt);
+ return NULL;
+ }
+ bo_config.nvc0.tile_mode = mt->level[0].tile_mode;
+
+ if (!bo_config.nvc0.memtype && pt->usage == PIPE_USAGE_STAGING)
+ mt->base.domain = NOUVEAU_BO_GART;
+ else
+ mt->base.domain = NOUVEAU_BO_VRAM;
+
+ bo_flags = mt->base.domain | NOUVEAU_BO_NOSNOOP;
+
+ if (mt->base.base.bind & (PIPE_BIND_CURSOR | PIPE_BIND_DISPLAY_TARGET))
+ bo_flags |= NOUVEAU_BO_CONTIG;
+
+ ret = nouveau_bo_new(dev, bo_flags, 4096, mt->total_size, &bo_config,
+ &mt->base.bo);
+ if (ret) {
+ FREE(mt);
+ return NULL;
+ }
+ mt->base.address = mt->base.bo->offset;
+
+ NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_count, 1);
+ NOUVEAU_DRV_STAT(nouveau_screen(pscreen), tex_obj_current_bytes,
+ mt->total_size);
+
+ return pt;
+}
+
+/* Offset of zslice @z from start of level @l. */
+INLINE unsigned
+nvc0_mt_zslice_offset(const struct nv50_miptree *mt, unsigned l, unsigned z)
+{
+ const struct pipe_resource *pt = &mt->base.base;
+
+ unsigned tds = NVC0_TILE_SHIFT_Z(mt->level[l].tile_mode);
+ unsigned ths = NVC0_TILE_SHIFT_Y(mt->level[l].tile_mode);
+
+ unsigned nby = util_format_get_nblocksy(pt->format,
+ u_minify(pt->height0, l));
+
+ /* to next 2D tile slice within a 3D tile */
+ unsigned stride_2d = NVC0_TILE_SIZE_2D(mt->level[l].tile_mode);
+
+ /* to slice in the next (in z direction) 3D tile */
+ unsigned stride_3d = (align(nby, (1 << ths)) * mt->level[l].pitch) << tds;
+
+ return (z & (1 << (tds - 1))) * stride_2d + (z >> tds) * stride_3d;
+}
+
+/* Surface functions.
+ */
+
+struct pipe_surface *
+nvc0_miptree_surface_new(struct pipe_context *pipe,
+ struct pipe_resource *pt,
+ const struct pipe_surface *templ)
+{
+ struct nv50_surface *ns = nv50_surface_from_miptree(nv50_miptree(pt), templ);
+ if (!ns)
+ return NULL;
+ ns->base.context = pipe;
+ return &ns->base;
+}
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