diff options
Diffstat (limited to 'src/gallium/drivers/nv40/nv40_miptree.c')
-rw-r--r-- | src/gallium/drivers/nv40/nv40_miptree.c | 68 |
1 files changed, 45 insertions, 23 deletions
diff --git a/src/gallium/drivers/nv40/nv40_miptree.c b/src/gallium/drivers/nv40/nv40_miptree.c index 5a201cc..89bd155 100644 --- a/src/gallium/drivers/nv40/nv40_miptree.c +++ b/src/gallium/drivers/nv40/nv40_miptree.c @@ -1,14 +1,19 @@ #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 "nv40_context.h" +#include "../nv04/nv04_surface_2d.h" + + static void nv40_miptree_layout(struct nv40_miptree *mt) { struct pipe_texture *pt = &mt->base; - uint width = pt->width[0], height = pt->height[0], depth = pt->depth[0]; + uint width = pt->width0; uint offset = 0; int nr_faces, l, f; uint wide_pitch = pt->tex_usage & (PIPE_TEXTURE_USAGE_SAMPLER | @@ -21,29 +26,21 @@ nv40_miptree_layout(struct nv40_miptree *mt) nr_faces = 6; } else if (pt->target == PIPE_TEXTURE_3D) { - nr_faces = pt->depth[0]; + nr_faces = pt->depth0; } else { nr_faces = 1; } for (l = 0; l <= pt->last_level; l++) { - pt->width[l] = width; - pt->height[l] = height; - pt->depth[l] = depth; - 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)) - mt->level[l].pitch = align(pt->width[0] * pt->block.size, 64); + mt->level[l].pitch = align(util_format_get_stride(pt->format, pt->width0), 64); else - mt->level[l].pitch = pt->width[l] * pt->block.size; + mt->level[l].pitch = util_format_get_stride(pt->format, width); mt->level[l].image_offset = CALLOC(nr_faces, sizeof(unsigned)); - width = MAX2(1, width >> 1); - height = MAX2(1, height >> 1); - depth = MAX2(1, depth >> 1); + width = u_minify(width, 1); } for (f = 0; f < nr_faces; f++) { @@ -51,14 +48,14 @@ nv40_miptree_layout(struct nv40_miptree *mt) mt->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(mt->level[l].pitch * pt->height[l], 64); + u_minify(pt->width0, l + 1) > 1 && u_minify(pt->height0, l + 1) > 1) + offset += align(mt->level[l].pitch * u_minify(pt->height0, l), 64); else - offset += mt->level[l].pitch * pt->height[l]; + offset += mt->level[l].pitch * u_minify(pt->height0, l); } mt->level[l].image_offset[f] = offset; - offset += mt->level[l].pitch * pt->height[l]; + offset += mt->level[l].pitch * u_minify(pt->height0, l); } mt->total_size = offset; @@ -79,8 +76,8 @@ nv40_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt) mt->base.screen = pscreen; /* 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 | @@ -109,6 +106,12 @@ nv40_miptree_create(struct pipe_screen *pscreen, 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; + nv40_miptree_layout(mt); mt->buffer = pscreen->buffer_create(pscreen, 256, buf_usage, mt->total_size); @@ -116,7 +119,7 @@ nv40_miptree_create(struct pipe_screen *pscreen, const struct pipe_texture *pt) FREE(mt); return NULL; } - + mt->bo = nouveau_bo(mt->buffer); return &mt->base; } @@ -128,7 +131,7 @@ nv40_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(nv40_miptree); @@ -141,7 +144,11 @@ nv40_miptree_blanket(struct pipe_screen *pscreen, const struct pipe_texture *pt, mt->level[0].pitch = stride[0]; mt->level[0].image_offset = CALLOC(1, sizeof(unsigned)); + /* Assume whoever created this buffer expects it to be linear for now */ + mt->base.tex_usage |= NOUVEAU_TEXTURE_USAGE_LINEAR; + pipe_buffer_reference(&mt->buffer, pb); + mt->bo = nouveau_bo(mt->buffer); return &mt->base; } @@ -173,8 +180,8 @@ nv40_miptree_surface_new(struct pipe_screen *pscreen, 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; @@ -191,12 +198,27 @@ nv40_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_texture *pt, ns->base.offset = mt->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(pscreen, ((struct nv40_screen*)pscreen)->eng2d, ns)->base; + return &ns->base; } static void nv40_miptree_surface_del(struct pipe_surface *ps) { + struct nv04_surface* ns = (struct nv04_surface*)ps; + if(ns->backing) + { + struct nv40_screen* screen = (struct nv40_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); + nv40_miptree_surface_del(&ns->backing->base); + } + pipe_texture_reference(&ps->texture, NULL); FREE(ps); } |