#include "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_math.h"
-#include "nouveau/nouveau_winsys.h"
+#include "util/u_staging.h"
#include "nvfx_context.h"
#include "nvfx_screen.h"
#include "nvfx_state.h"
#include "nvfx_resource.h"
#include "nvfx_transfer.h"
-struct nvfx_transfer {
- struct pipe_transfer base;
- struct pipe_surface *surface;
- boolean direct;
-};
-
-static void
-nvfx_compatible_transfer_tex(struct pipe_resource *pt, unsigned width, unsigned height,
- unsigned bind,
- struct pipe_resource *template)
-{
- memset(template, 0, sizeof(struct pipe_resource));
- template->target = pt->target;
- template->format = pt->format;
- template->width0 = width;
- template->height0 = height;
- template->depth0 = 1;
- template->last_level = 0;
- template->nr_samples = pt->nr_samples;
- template->bind = bind;
- template->usage = PIPE_USAGE_DYNAMIC;
- template->flags = NVFX_RESOURCE_FLAG_LINEAR;
-}
-
-
-static unsigned nvfx_transfer_bind_flags( unsigned transfer_usage )
+struct nvfx_staging_transfer
{
- unsigned bind = 0;
+ struct util_staging_transfer base;
-#if 0
- if (transfer_usage & PIPE_TRANSFER_WRITE)
- bind |= PIPE_BIND_BLIT_SOURCE;
-
- if (transfer_usage & PIPE_TRANSFER_READ)
- bind |= PIPE_BIND_BLIT_DESTINATION;
-#endif
-
- return bind;
-}
+ unsigned offset;
+ unsigned map_count;
+};
struct pipe_transfer *
-nvfx_miptree_transfer_new(struct pipe_context *pipe,
+nvfx_transfer_new(struct pipe_context *pipe,
struct pipe_resource *pt,
struct pipe_subresource sr,
unsigned usage,
const struct pipe_box *box)
{
- struct pipe_screen *pscreen = pipe->screen;
- struct nvfx_transfer *tx;
- struct pipe_resource tx_tex_template, *tx_tex;
- unsigned bind = nvfx_transfer_bind_flags(usage);
+ struct nvfx_staging_transfer* tx;
+ bool direct = !nvfx_resource_on_gpu(pt) && pt->flags & NVFX_RESOURCE_FLAG_LINEAR;
- tx = CALLOC_STRUCT(nvfx_transfer);
- if (!tx)
+ tx = CALLOC_STRUCT(nvfx_staging_transfer);
+ if(!tx)
return NULL;
- /* Don't handle 3D transfers yet.
- */
- assert(box->depth == 1);
-
- pipe_resource_reference(&tx->base.resource, pt);
- tx->base.sr = sr;
- tx->base.stride = nvfx_subresource_pitch(pt, sr.level);
- tx->base.slice_stride = tx->base.stride * u_minify(pt->height0, sr.level);
- tx->base.usage = usage;
- tx->base.box = *box;
+ util_staging_transfer_init(pipe, pt, sr, usage, box, direct, tx);
- /* Direct access to texture */
- if ((util_format_is_s3tc(pt->format) || pt->usage & PIPE_USAGE_DYNAMIC) &&
- pt->flags & NVFX_RESOURCE_FLAG_LINEAR)
+ if(pt->target == PIPE_BUFFER)
{
- tx->direct = true;
-
- /* XXX: just call the internal nvfx function.
- */
- tx->surface = pscreen->get_tex_surface(pscreen, pt,
- sr.face, sr.level,
- box->z,
- bind);
- return &tx->base;
+ tx->base.base.slice_stride = tx->base.base.stride = ((struct nvfx_resource*)tx->base.staging_resource)->bo->size;
+ if(direct)
+ tx->offset = util_format_get_stride(pt->format, box->x);
+ else
+ tx->offset = 0;
}
-
- tx->direct = false;
-
- nvfx_compatible_transfer_tex(pt, box->width, box->height, bind, &tx_tex_template);
-
- tx_tex = pscreen->resource_create(pscreen, &tx_tex_template);
- if (!tx_tex)
+ else
{
- FREE(tx);
- return NULL;
+ if(direct)
+ {
+ tx->base.base.stride = nvfx_subresource_pitch(pt, sr.level);
+ tx->base.base.slice_stride = tx->base.base.stride * u_minify(pt->height0, sr.level);
+ tx->offset = nvfx_subresource_offset(pt, sr.face, sr.level, box->z)
+ + util_format_get_2d_size(pt->format, tx->base.base.stride, box->y)
+ + util_format_get_stride(pt->format, box->x);
+ }
+ else
+ {
+ tx->base.base.stride = nvfx_subresource_pitch(tx->base.staging_resource, 0);
+ tx->base.base.slice_stride = tx->base.base.stride * tx->base.staging_resource->height0;
+ tx->offset = 0;
+ }
+
+ assert(tx->base.base.stride);
+
+ return &tx->base.base;
}
-
- tx->base.stride = ((struct nvfx_miptree*)tx_tex)->linear_pitch;
- tx->base.slice_stride = tx->base.stride * box->height;
-
- tx->surface = pscreen->get_tex_surface(pscreen, tx_tex,
- 0, 0, 0,
- bind);
-
- pipe_resource_reference(&tx_tex, NULL);
-
- if (!tx->surface)
- {
- pipe_surface_reference(&tx->surface, NULL);
- FREE(tx);
- return NULL;
- }
-
- if (usage & PIPE_TRANSFER_READ) {
- struct nvfx_screen *nvscreen = nvfx_screen(pscreen);
- struct pipe_surface *src;
-
- src = pscreen->get_tex_surface(pscreen, pt,
- sr.face, sr.level, box->z,
- 0 /*PIPE_BIND_BLIT_SOURCE*/);
-
- /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
- /* TODO: Check if SIFM can un-swizzle */
- nvscreen->eng2d->copy(nvscreen->eng2d,
- tx->surface, 0, 0,
- src,
- box->x, box->y,
- box->width, box->height);
-
- pipe_surface_reference(&src, NULL);
- }
-
- return &tx->base;
-}
-
-void
-nvfx_miptree_transfer_del(struct pipe_context *pipe,
- struct pipe_transfer *ptx)
-{
- struct nvfx_transfer *tx = (struct nvfx_transfer *)ptx;
-
- if (!tx->direct && (ptx->usage & PIPE_TRANSFER_WRITE)) {
- struct pipe_screen *pscreen = pipe->screen;
- struct nvfx_screen *nvscreen = nvfx_screen(pscreen);
- struct pipe_surface *dst;
-
- dst = pscreen->get_tex_surface(pscreen,
- ptx->resource,
- ptx->sr.face,
- ptx->sr.level,
- ptx->box.z,
- 0 /*PIPE_BIND_BLIT_DESTINATION*/);
-
- /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
- nvscreen->eng2d->copy(nvscreen->eng2d,
- dst, ptx->box.x, ptx->box.y,
- tx->surface, 0, 0,
- ptx->box.width, ptx->box.height);
-
- pipe_surface_reference(&dst, NULL);
- }
-
- pipe_surface_reference(&tx->surface, NULL);
- pipe_resource_reference(&ptx->resource, NULL);
- FREE(ptx);
}
void *
-nvfx_miptree_transfer_map(struct pipe_context *pipe, struct pipe_transfer *ptx)
+nvfx_transfer_map(struct pipe_context *pipe, struct pipe_transfer *ptx)
{
- struct nvfx_transfer *tx = (struct nvfx_transfer *)ptx;
- struct nv04_surface *ns = (struct nv04_surface *)tx->surface;
- struct nvfx_miptree *mt = (struct nvfx_miptree *)tx->surface->texture;
-
- uint8_t *map = nouveau_screen_bo_map(pipe->screen, mt->base.bo,
- nouveau_screen_transfer_flags(ptx->usage));
-
- if(!tx->direct)
- return map + ns->base.offset;
- else
- return map + ns->base.offset
- + util_format_get_2d_size(ns->base.format, ns->pitch, ptx->box.y)
- + util_format_get_stride(ptx->resource->format, ptx->box.x);
+ struct nvfx_staging_transfer *tx = (struct nvfx_staging_transfer *)ptx;
+ if(!ptx->data)
+ {
+ struct nvfx_miptree *mt = (struct nvfx_miptree *)tx->base.staging_resource;
+ uint8_t *map = nouveau_screen_bo_map(pipe->screen, mt->base.bo, nouveau_screen_transfer_flags(ptx->usage));
+ ptx->data = map + tx->offset;
+ }
+ ++tx->map_count;
+ return ptx->data;
}
void
-nvfx_miptree_transfer_unmap(struct pipe_context *pipe, struct pipe_transfer *ptx)
+nvfx_transfer_unmap(struct pipe_context *pipe, struct pipe_transfer *ptx)
{
- struct nvfx_transfer *tx = (struct nvfx_transfer *)ptx;
- struct nvfx_miptree *mt = (struct nvfx_miptree *)tx->surface->texture;
+ struct nvfx_staging_transfer *tx = (struct nvfx_staging_transfer *)ptx;
+ struct nvfx_miptree *mt = (struct nvfx_miptree *)tx->base.staging_resource;
- nouveau_screen_bo_unmap(pipe->screen, mt->base.bo);
+ if(!--tx->map_count)
+ nouveau_screen_bo_unmap(pipe->screen, mt->base.bo);
}
projects / mesa.git / commitdiff