#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
+#include "util/u_format.h"
+#include "util/u_math.h"
#include "nv20_context.h"
#include "nv20_screen.h"
+#include "../nv04/nv04_surface_2d.h"
static void
nv20_miptree_layout(struct nv20_miptree *nv20mt)
{
struct pipe_texture *pt = &nv20mt->base;
- boolean swizzled = FALSE;
- uint width = pt->width[0], height = pt->height[0];
+ uint width = pt->width0;
uint offset = 0;
int nr_faces, l, f;
+ uint wide_pitch = pt->tex_usage & (PIPE_TEXTURE_USAGE_SAMPLER |
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL |
+ PIPE_TEXTURE_USAGE_RENDER_TARGET |
+ PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_PRIMARY);
if (pt->target == PIPE_TEXTURE_CUBE) {
nr_faces = 6;
}
for (l = 0; l <= pt->last_level; l++) {
- pt->width[l] = width;
- pt->height[l] = height;
- pt->nblocksx[l] = pf_get_nblocksx(&pt->block, width);
- pt->nblocksy[l] = pf_get_nblocksy(&pt->block, height);
-
- if (swizzled)
- nv20mt->level[l].pitch = pt->nblocksx[l] * pt->block.size;
+ if (wide_pitch && (pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR))
+ nv20mt->level[l].pitch = align(util_format_get_stride(pt->format, pt->width0), 64);
else
- nv20mt->level[l].pitch = pt->nblocksx[0] * pt->block.size;
- nv20mt->level[l].pitch = (nv20mt->level[l].pitch + 63) & ~63;
+ nv20mt->level[l].pitch = util_format_get_stride(pt->format, width);
nv20mt->level[l].image_offset =
CALLOC(nr_faces, sizeof(unsigned));
- width = MAX2(1, width >> 1);
- height = MAX2(1, height >> 1);
-
+ width = u_minify(width, 1);
}
for (f = 0; f < nr_faces; f++) {
- for (l = 0; l <= pt->last_level; l++) {
+ for (l = 0; l < pt->last_level; l++) {
nv20mt->level[l].image_offset[f] = offset;
- offset += nv20mt->level[l].pitch * pt->height[l];
+
+ if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR) &&
+ u_minify(pt->width0, l + 1) > 1 && u_minify(pt->height0, l + 1) > 1)
+ offset += align(nv20mt->level[l].pitch * u_minify(pt->height0, l), 64);
+ else
+ offset += nv20mt->level[l].pitch * u_minify(pt->height0, l);
}
+
+ nv20mt->level[l].image_offset[f] = offset;
+ offset += nv20mt->level[l].pitch * u_minify(pt->height0, l);
}
nv20mt->total_size = offset;
}
+static struct pipe_texture *
+nv20_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt,
+ const unsigned *stride, struct pipe_buffer *pb)
+{
+ struct nv20_miptree *mt;
+
+ /* Only supports 2D, non-mipmapped textures for the moment */
+ if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 ||
+ pt->depth0 != 1)
+ return NULL;
+
+ mt = CALLOC_STRUCT(nv20_miptree);
+ if (!mt)
+ return NULL;
+
+ mt->base = *pt;
+ pipe_reference_init(&mt->base.reference, 1);
+ mt->base.screen = pscreen;
+ mt->level[0].pitch = stride[0];
+ mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
+
+ pipe_buffer_reference(&mt->buffer, pb);
+ mt->bo = nouveau_bo(mt->buffer);
+ return &mt->base;
+}
+
static struct pipe_texture *
nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt)
{
- struct pipe_winsys *ws = screen->winsys;
struct nv20_miptree *mt;
+ unsigned buf_usage = PIPE_BUFFER_USAGE_PIXEL |
+ NOUVEAU_BUFFER_USAGE_TEXTURE;
mt = MALLOC(sizeof(struct nv20_miptree));
if (!mt)
return NULL;
mt->base = *pt;
- mt->base.refcount = 1;
+ pipe_reference_init(&mt->base.reference, 1);
mt->base.screen = screen;
+ /* Swizzled textures must be POT */
+ if (pt->width0 & (pt->width0 - 1) ||
+ pt->height0 & (pt->height0 - 1))
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ else
+ if (pt->tex_usage & (PIPE_TEXTURE_USAGE_PRIMARY |
+ PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL))
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ else
+ if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ else {
+ switch (pt->format) {
+ /* TODO: Figure out which formats can be swizzled */
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_R16_SNORM:
+ {
+ if (debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE))
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ break;
+ }
+ default:
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+ }
+ }
+
+ if (pt->tex_usage & PIPE_TEXTURE_USAGE_DYNAMIC)
+ buf_usage |= PIPE_BUFFER_USAGE_CPU_READ_WRITE;
+
+ /* apparently we can't render to swizzled surfaces smaller than 64 bytes, so make them linear.
+ * If the user did not ask for a render target, they can still render to it, but it will cost them an extra copy.
+ * This also happens for small mipmaps of large textures. */
+ if (pt->tex_usage & PIPE_TEXTURE_USAGE_RENDER_TARGET && util_format_get_stride(pt->format, pt->width0) < 64)
+ mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR;
+
nv20_miptree_layout(mt);
- mt->buffer = ws->buffer_create(ws, 256, PIPE_BUFFER_USAGE_PIXEL,
- mt->total_size);
+ mt->buffer = screen->buffer_create(screen, 256, buf_usage, mt->total_size);
if (!mt->buffer) {
FREE(mt);
return NULL;
}
+ mt->bo = nouveau_bo(mt->buffer);
return &mt->base;
}
static void
-nv20_miptree_release(struct pipe_screen *screen, struct pipe_texture **pt)
+nv20_miptree_destroy(struct pipe_texture *pt)
{
- struct pipe_texture *mt = *pt;
-
- *pt = NULL;
- if (--mt->refcount <= 0) {
- struct nv20_miptree *nv20mt = (struct nv20_miptree *)mt;
- int l;
+ struct nv20_miptree *nv20mt = (struct nv20_miptree *)pt;
+ int l;
- pipe_buffer_reference(screen, &nv20mt->buffer, NULL);
- for (l = 0; l <= mt->last_level; l++) {
- if (nv20mt->level[l].image_offset)
- FREE(nv20mt->level[l].image_offset);
- }
- FREE(nv20mt);
- }
+ pipe_buffer_reference(&nv20mt->buffer, NULL);
+ for (l = 0; l <= pt->last_level; l++) {
+ if (nv20mt->level[l].image_offset)
+ FREE(nv20mt->level[l].image_offset);
+ }
}
static struct pipe_surface *
unsigned flags)
{
struct nv20_miptree *nv20mt = (struct nv20_miptree *)pt;
- struct pipe_surface *ps;
+ struct nv04_surface *ns;
- ps = CALLOC_STRUCT(pipe_surface);
- if (!ps)
+ ns = CALLOC_STRUCT(nv04_surface);
+ if (!ns)
return NULL;
- pipe_texture_reference(&ps->texture, pt);
- ps->format = pt->format;
- ps->width = pt->width[level];
- ps->height = pt->height[level];
- ps->block = pt->block;
- ps->nblocksx = pt->nblocksx[level];
- ps->nblocksy = pt->nblocksy[level];
- ps->stride = nv20mt->level[level].pitch;
- ps->usage = flags;
- ps->status = PIPE_SURFACE_STATUS_DEFINED;
- ps->refcount = 1;
+ pipe_texture_reference(&ns->base.texture, pt);
+ ns->base.format = pt->format;
+ ns->base.width = u_minify(pt->width0, level);
+ ns->base.height = u_minify(pt->height0, level);
+ ns->base.usage = flags;
+ pipe_reference_init(&ns->base.reference, 1);
+ ns->base.face = face;
+ ns->base.level = level;
+ ns->base.zslice = zslice;
+ ns->pitch = nv20mt->level[level].pitch;
if (pt->target == PIPE_TEXTURE_CUBE) {
- ps->offset = nv20mt->level[level].image_offset[face];
+ ns->base.offset = nv20mt->level[level].image_offset[face];
} else
if (pt->target == PIPE_TEXTURE_3D) {
- ps->offset = nv20mt->level[level].image_offset[zslice];
+ ns->base.offset = nv20mt->level[level].image_offset[zslice];
} else {
- ps->offset = nv20mt->level[level].image_offset[0];
+ ns->base.offset = nv20mt->level[level].image_offset[0];
}
- return ps;
+ /* create a linear temporary that we can render into if necessary.
+ * Note that ns->pitch is always a multiple of 64 for linear surfaces and swizzled surfaces are POT, so
+ * ns->pitch & 63 is equivalent to (ns->pitch < 64 && swizzled)*/
+ if((ns->pitch & 63) && (ns->base.usage & (PIPE_BUFFER_USAGE_GPU_WRITE | NOUVEAU_BUFFER_USAGE_NO_RENDER)) == PIPE_BUFFER_USAGE_GPU_WRITE)
+ return &nv04_surface_wrap_for_render(screen, ((struct nv20_screen*)screen)->eng2d, ns)->base;
+
+ return &ns->base;
}
static void
-nv20_miptree_surface_release(struct pipe_screen *pscreen,
- struct pipe_surface **psurface)
+nv20_miptree_surface_destroy(struct pipe_surface *ps)
{
- struct pipe_surface *ps = *psurface;
-
- *psurface = NULL;
- if (--ps->refcount > 0)
- return;
-
+ struct nv04_surface* ns = (struct nv04_surface*)ps;
+ if(ns->backing)
+ {
+ struct nv20_screen* screen = (struct nv20_screen*)ps->texture->screen;
+ if(ns->backing->base.usage & PIPE_BUFFER_USAGE_GPU_WRITE)
+ screen->eng2d->copy(screen->eng2d, &ns->backing->base, 0, 0, ps, 0, 0, ns->base.width, ns->base.height);
+ nv20_miptree_surface_destroy(&ns->backing->base);
+ }
+
pipe_texture_reference(&ps->texture, NULL);
FREE(ps);
}
void nv20_screen_init_miptree_functions(struct pipe_screen *pscreen)
{
pscreen->texture_create = nv20_miptree_create;
- pscreen->texture_release = nv20_miptree_release;
+ pscreen->texture_blanket = nv20_miptree_blanket;
+ pscreen->texture_destroy = nv20_miptree_destroy;
pscreen->get_tex_surface = nv20_miptree_surface_get;
- pscreen->tex_surface_release = nv20_miptree_surface_release;
+ pscreen->tex_surface_destroy = nv20_miptree_surface_destroy;
}