diff options
Diffstat (limited to 'src/gallium/drivers/nv20/nv20_miptree.c')
-rw-r--r-- | src/gallium/drivers/nv20/nv20_miptree.c | 58 |
1 files changed, 39 insertions, 19 deletions
diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c index 185fbf5..8f7538e 100644 --- a/src/gallium/drivers/nv20/nv20_miptree.c +++ b/src/gallium/drivers/nv20/nv20_miptree.c @@ -1,15 +1,18 @@ #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; - 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 | @@ -25,21 +28,15 @@ nv20_miptree_layout(struct nv20_miptree *nv20mt) } 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 (wide_pitch && (pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR)) - nv20mt->level[l].pitch = align(pt->width[0] * pt->block.size, 64); + nv20mt->level[l].pitch = align(util_format_get_stride(pt->format, pt->width0), 64); else - nv20mt->level[l].pitch = pt->width[l] * pt->block.size; + 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++) { @@ -47,14 +44,14 @@ nv20_miptree_layout(struct nv20_miptree *nv20mt) nv20mt->level[l].image_offset[f] = offset; if (!(pt->tex_usage & NOUVEAU_TEXTURE_USAGE_LINEAR) && - pt->width[l + 1] > 1 && pt->height[l + 1] > 1) - offset += align(nv20mt->level[l].pitch * pt->height[l], 64); + 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 * pt->height[l]; + offset += nv20mt->level[l].pitch * u_minify(pt->height0, l); } nv20mt->level[l].image_offset[f] = offset; - offset += nv20mt->level[l].pitch * pt->height[l]; + offset += nv20mt->level[l].pitch * u_minify(pt->height0, l); } nv20mt->total_size = offset; @@ -68,7 +65,7 @@ nv20_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt, /* Only supports 2D, non-mipmapped textures for the moment */ if (pt->target != PIPE_TEXTURE_2D || pt->last_level != 0 || - pt->depth[0] != 1) + pt->depth0 != 1) return NULL; mt = CALLOC_STRUCT(nv20_miptree); @@ -82,6 +79,7 @@ nv20_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt, mt->level[0].image_offset = CALLOC(1, sizeof(unsigned)); pipe_buffer_reference(&mt->buffer, pb); + mt->bo = nouveau_bo(mt->buffer); return &mt->base; } @@ -100,8 +98,8 @@ nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt) mt->base.screen = screen; /* Swizzled textures must be POT */ - if (pt->width[0] & (pt->width[0] - 1) || - pt->height[0] & (pt->height[0] - 1)) + 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 | @@ -130,6 +128,12 @@ nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt) 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 = screen->buffer_create(screen, 256, buf_usage, mt->total_size); @@ -137,6 +141,7 @@ nv20_miptree_create(struct pipe_screen *screen, const struct pipe_texture *pt) FREE(mt); return NULL; } + mt->bo = nouveau_bo(mt->buffer); return &mt->base; } @@ -167,8 +172,8 @@ nv20_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt, return NULL; pipe_texture_reference(&ns->base.texture, pt); ns->base.format = pt->format; - ns->base.width = pt->width[level]; - ns->base.height = pt->height[level]; + 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; @@ -185,12 +190,27 @@ nv20_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt, ns->base.offset = nv20mt->level[level].image_offset[0]; } + /* 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_destroy(struct pipe_surface *ps) { + 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); } |