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authorYounes Manton <[email protected]>2010-04-30 20:42:30 -0400
committerYounes Manton <[email protected]>2010-04-30 20:42:30 -0400
commita8ea1dacc63ac567498049e5756c247b9fec6cd9 (patch)
tree4031e2e2b6166bd926b43fa4bbb3aab773a30ee5 /src/gallium/drivers/nvfx/nvfx_miptree.c
parent404fb63b4649f58fce443615e49337d42b8ddece (diff)
parent35d960cc744c374ccaad48c3d80559b59c74e28a (diff)
Merge branch 'master' of ssh://git.freedesktop.org/git/mesa/mesa into pipe-video
Conflicts: src/gallium/auxiliary/Makefile src/gallium/auxiliary/SConscript src/gallium/auxiliary/util/u_format.csv src/gallium/auxiliary/vl/vl_compositor.c src/gallium/auxiliary/vl/vl_compositor.h src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.c src/gallium/auxiliary/vl/vl_mpeg12_mc_renderer.h src/gallium/drivers/identity/id_objects.c src/gallium/drivers/identity/id_objects.h src/gallium/drivers/identity/id_screen.c src/gallium/drivers/nv40/Makefile src/gallium/drivers/nv40/nv40_screen.c src/gallium/drivers/softpipe/sp_texture.c src/gallium/drivers/softpipe/sp_texture.h src/gallium/drivers/softpipe/sp_video_context.c src/gallium/drivers/softpipe/sp_video_context.h src/gallium/include/pipe/p_format.h src/gallium/include/pipe/p_screen.h src/gallium/include/pipe/p_video_context.h src/gallium/include/pipe/p_video_state.h src/gallium/include/state_tracker/dri1_api.h src/gallium/include/state_tracker/drm_api.h src/gallium/state_trackers/dri/common/dri_context.c src/gallium/state_trackers/xorg/xvmc/attributes.c src/gallium/state_trackers/xorg/xvmc/block.c src/gallium/state_trackers/xorg/xvmc/context.c src/gallium/state_trackers/xorg/xvmc/subpicture.c src/gallium/state_trackers/xorg/xvmc/surface.c src/gallium/state_trackers/xorg/xvmc/tests/.gitignore src/gallium/state_trackers/xorg/xvmc/tests/Makefile src/gallium/state_trackers/xorg/xvmc/xvmc_private.h src/gallium/winsys/drm/radeon/core/radeon_drm.c src/gallium/winsys/g3dvl/vl_winsys.h src/gallium/winsys/g3dvl/xlib/xsp_winsys.c src/gallium/winsys/sw/Makefile
Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_miptree.c')
-rw-r--r--src/gallium/drivers/nvfx/nvfx_miptree.c310
1 files changed, 310 insertions, 0 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_miptree.c b/src/gallium/drivers/nvfx/nvfx_miptree.c
new file mode 100644
index 00000000000..aeb88e9ac96
--- /dev/null
+++ b/src/gallium/drivers/nvfx/nvfx_miptree.c
@@ -0,0 +1,310 @@
+#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 "nvfx_context.h"
+#include "nvfx_resource.h"
+#include "nvfx_transfer.h"
+#include "nv04_surface_2d.h"
+
+/* Currently using separate implementations for buffers and textures,
+ * even though gallium has a unified abstraction of these objects.
+ * Eventually these should be combined, and mechanisms like transfers
+ * be adapted to work for both buffer and texture uploads.
+ */
+
+static void
+nvfx_miptree_layout(struct nvfx_miptree *mt)
+{
+ struct pipe_resource *pt = &mt->base.base;
+ uint width = pt->width0;
+ uint offset = 0;
+ int nr_faces, l, f;
+ uint wide_pitch = pt->bind & (PIPE_BIND_SAMPLER_VIEW |
+ PIPE_BIND_DEPTH_STENCIL |
+ PIPE_BIND_RENDER_TARGET |
+ PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_SCANOUT);
+
+ if (pt->target == PIPE_TEXTURE_CUBE) {
+ nr_faces = 6;
+ } else
+ if (pt->target == PIPE_TEXTURE_3D) {
+ nr_faces = pt->depth0;
+ } else {
+ nr_faces = 1;
+ }
+
+ for (l = 0; l <= pt->last_level; l++) {
+ if (wide_pitch && (pt->flags & NVFX_RESOURCE_FLAG_LINEAR))
+ mt->level[l].pitch = align(util_format_get_stride(pt->format, pt->width0), 64);
+ else
+ mt->level[l].pitch = util_format_get_stride(pt->format, width);
+
+ mt->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++) {
+ mt->level[l].image_offset[f] = offset;
+
+ if (!(pt->flags & NVFX_RESOURCE_FLAG_LINEAR) &&
+ 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 * u_minify(pt->height0, l);
+ }
+
+ mt->level[l].image_offset[f] = offset;
+ offset += mt->level[l].pitch * u_minify(pt->height0, l);
+ }
+
+ mt->total_size = offset;
+}
+
+static boolean
+nvfx_miptree_get_handle(struct pipe_screen *pscreen,
+ struct pipe_resource *ptexture,
+ struct winsys_handle *whandle)
+{
+ struct nvfx_miptree* mt = (struct nvfx_miptree*)ptexture;
+
+ if (!mt || !mt->base.bo)
+ return FALSE;
+
+ return nouveau_screen_bo_get_handle(pscreen,
+ mt->base.bo,
+ mt->level[0].pitch,
+ whandle);
+}
+
+
+static void
+nvfx_miptree_destroy(struct pipe_screen *screen, struct pipe_resource *pt)
+{
+ struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
+ int l;
+
+ nouveau_screen_bo_release(screen, mt->base.bo);
+
+ for (l = 0; l <= pt->last_level; l++) {
+ if (mt->level[l].image_offset)
+ FREE(mt->level[l].image_offset);
+ }
+
+ FREE(mt);
+}
+
+
+
+
+struct u_resource_vtbl nvfx_miptree_vtbl =
+{
+ nvfx_miptree_get_handle, /* get_handle */
+ nvfx_miptree_destroy, /* resource_destroy */
+ NULL, /* is_resource_referenced */
+ nvfx_miptree_transfer_new, /* get_transfer */
+ nvfx_miptree_transfer_del, /* transfer_destroy */
+ nvfx_miptree_transfer_map, /* transfer_map */
+ u_default_transfer_flush_region, /* transfer_flush_region */
+ nvfx_miptree_transfer_unmap, /* transfer_unmap */
+ u_default_transfer_inline_write /* transfer_inline_write */
+};
+
+
+
+struct pipe_resource *
+nvfx_miptree_create(struct pipe_screen *pscreen, const struct pipe_resource *pt)
+{
+ struct nvfx_miptree *mt;
+ static int no_swizzle = -1;
+ if(no_swizzle < 0)
+ no_swizzle = debug_get_bool_option("NOUVEAU_NO_SWIZZLE", FALSE);
+
+ mt = CALLOC_STRUCT(nvfx_miptree);
+ if (!mt)
+ return NULL;
+
+ mt->base.base = *pt;
+ mt->base.vtbl = &nvfx_miptree_vtbl;
+ pipe_reference_init(&mt->base.base.reference, 1);
+ mt->base.base.screen = pscreen;
+
+ /* Swizzled textures must be POT */
+ if (pt->width0 & (pt->width0 - 1) ||
+ pt->height0 & (pt->height0 - 1))
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ else
+ if (pt->bind & (PIPE_BIND_SCANOUT |
+ PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_DEPTH_STENCIL))
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ else
+ if (pt->usage == PIPE_USAGE_DYNAMIC)
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ else {
+ switch (pt->format) {
+ case PIPE_FORMAT_B5G6R5_UNORM:
+ case PIPE_FORMAT_L8A8_UNORM:
+ case PIPE_FORMAT_A8_UNORM:
+ case PIPE_FORMAT_L8_UNORM:
+ case PIPE_FORMAT_I8_UNORM:
+ /* TODO: we can actually swizzle these formats on nv40, we
+ are just preserving the pre-unification behavior.
+ The whole 2D code is going to be rewritten anyway. */
+ if(nvfx_screen(pscreen)->is_nv4x) {
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ break;
+ }
+ /* TODO: Figure out which formats can be swizzled */
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_R16_SNORM:
+ {
+ if (no_swizzle)
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ break;
+ }
+ default:
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ }
+ }
+
+ /* 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->bind & PIPE_BIND_RENDER_TARGET &&
+ util_format_get_stride(pt->format, pt->width0) < 64)
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+
+ nvfx_miptree_layout(mt);
+
+ mt->base.bo = nouveau_screen_bo_new(pscreen, 256,
+ pt->usage, pt->bind, mt->total_size);
+ if (!mt->base.bo) {
+ FREE(mt);
+ return NULL;
+ }
+ return &mt->base.base;
+}
+
+
+
+
+struct pipe_resource *
+nvfx_miptree_from_handle(struct pipe_screen *pscreen,
+ const struct pipe_resource *template,
+ struct winsys_handle *whandle)
+{
+ struct nvfx_miptree *mt;
+ unsigned stride;
+
+ /* Only supports 2D, non-mipmapped textures for the moment */
+ if (template->target != PIPE_TEXTURE_2D ||
+ template->last_level != 0 ||
+ template->depth0 != 1)
+ return NULL;
+
+ mt = CALLOC_STRUCT(nvfx_miptree);
+ if (!mt)
+ return NULL;
+
+ mt->base.bo = nouveau_screen_bo_from_handle(pscreen, whandle, &stride);
+ if (mt->base.bo == NULL) {
+ FREE(mt);
+ return NULL;
+ }
+
+ mt->base.base = *template;
+ mt->base.vtbl = &nvfx_miptree_vtbl;
+ pipe_reference_init(&mt->base.base.reference, 1);
+ mt->base.base.screen = pscreen;
+ mt->level[0].pitch = stride;
+ mt->level[0].image_offset = CALLOC(1, sizeof(unsigned));
+
+ /* Assume whoever created this buffer expects it to be linear for now */
+ mt->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+
+ /* XXX: Need to adjust bo refcount??
+ */
+ /* nouveau_bo_ref(bo, &mt->base.bo); */
+ return &mt->base.base;
+}
+
+
+
+
+
+/* Surface helpers, not strictly required to implement the resource vtbl:
+ */
+struct pipe_surface *
+nvfx_miptree_surface_new(struct pipe_screen *pscreen, struct pipe_resource *pt,
+ unsigned face, unsigned level, unsigned zslice,
+ unsigned flags)
+{
+ struct nvfx_miptree *mt = (struct nvfx_miptree *)pt;
+ struct nv04_surface *ns;
+
+ ns = CALLOC_STRUCT(nv04_surface);
+ if (!ns)
+ return NULL;
+ pipe_resource_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 = mt->level[level].pitch;
+
+ if (pt->target == PIPE_TEXTURE_CUBE) {
+ ns->base.offset = mt->level[level].image_offset[face];
+ } else
+ if (pt->target == PIPE_TEXTURE_3D) {
+ ns->base.offset = mt->level[level].image_offset[zslice];
+ } else {
+ 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_BIND_RENDER_TARGET))
+ {
+ struct nv04_surface_2d* eng2d =
+ ((struct nvfx_screen*)pscreen)->eng2d;
+
+ ns = nv04_surface_wrap_for_render(pscreen, eng2d, ns);
+ }
+
+ return &ns->base;
+}
+
+void
+nvfx_miptree_surface_del(struct pipe_surface *ps)
+{
+ struct nv04_surface* ns = (struct nv04_surface*)ps;
+ if(ns->backing)
+ {
+ struct nvfx_screen* screen = (struct nvfx_screen*)ps->texture->screen;
+ if(ns->backing->base.usage & PIPE_BIND_BLIT_DESTINATION)
+ screen->eng2d->copy(screen->eng2d, &ns->backing->base, 0, 0, ps, 0, 0, ns->base.width, ns->base.height);
+ nvfx_miptree_surface_del(&ns->backing->base);
+ }
+
+ pipe_resource_reference(&ps->texture, NULL);
+ FREE(ps);
+}