diff options
author | Keith Whitwell <keithw@vmware.com> | 2010-02-05 09:50:21 +0000 |
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committer | Keith Whitwell <keithw@vmware.com> | 2010-02-05 09:50:21 +0000 |
commit | c036d13d7d2cc905226fe53ebd86a18da808963f (patch) | |
tree | 1520a41a750b3a2a2685c3d7f46e87f921ad7b83 /src/gallium/drivers/nv20/nv20_miptree.c | |
parent | 69f20294cd8bed52e4a9b648158423c5f0754941 (diff) | |
parent | 5b6b67eb3ff714fbba8aed88a22a7646e1dbf655 (diff) |
Merge commit 'fj/mesa-next'
Diffstat (limited to 'src/gallium/drivers/nv20/nv20_miptree.c')
-rw-r--r-- | src/gallium/drivers/nv20/nv20_miptree.c | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/src/gallium/drivers/nv20/nv20_miptree.c b/src/gallium/drivers/nv20/nv20_miptree.c deleted file mode 100644 index 2d3473b086..0000000000 --- a/src/gallium/drivers/nv20/nv20_miptree.c +++ /dev/null @@ -1,226 +0,0 @@ -#include "pipe/p_state.h" -#include "pipe/p_defines.h" -#include "util/u_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->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; - } else { - nr_faces = 1; - } - - for (l = 0; l <= pt->last_level; l++) { - 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 = util_format_get_stride(pt->format, width); - - nv20mt->level[l].image_offset = - CALLOC(nr_faces, sizeof(unsigned)); - - width = u_minify(width, 1); - } - - for (f = 0; f < nr_faces; f++) { - for (l = 0; l < pt->last_level; l++) { - nv20mt->level[l].image_offset[f] = offset; - - 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 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; - 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 = 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_destroy(struct pipe_texture *pt) -{ - struct nv20_miptree *nv20mt = (struct nv20_miptree *)pt; - int l; - - 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 * -nv20_miptree_surface_get(struct pipe_screen *screen, struct pipe_texture *pt, - unsigned face, unsigned level, unsigned zslice, - unsigned flags) -{ - struct nv20_miptree *nv20mt = (struct nv20_miptree *)pt; - struct nv04_surface *ns; - - ns = CALLOC_STRUCT(nv04_surface); - if (!ns) - return NULL; - 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) { - ns->base.offset = nv20mt->level[level].image_offset[face]; - } else - if (pt->target == PIPE_TEXTURE_3D) { - ns->base.offset = nv20mt->level[level].image_offset[zslice]; - } else { - 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); -} - -void nv20_screen_init_miptree_functions(struct pipe_screen *pscreen) -{ - pscreen->texture_create = nv20_miptree_create; - pscreen->texture_blanket = nv20_miptree_blanket; - pscreen->texture_destroy = nv20_miptree_destroy; - pscreen->get_tex_surface = nv20_miptree_surface_get; - pscreen->tex_surface_destroy = nv20_miptree_surface_destroy; -} - |