#include "util/u_format.h"
#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/u_rect.h"
#include "i915_context.h"
#include "i915_resource.h"
FREE(tex);
}
-static struct pipe_transfer *
+static struct pipe_transfer *
i915_texture_get_transfer(struct pipe_context *pipe,
struct pipe_resource *resource,
unsigned level,
{
struct i915_context *i915 = i915_context(pipe);
struct i915_texture *tex = i915_texture(resource);
- struct pipe_transfer *transfer = util_slab_alloc(&i915->transfer_pool);
+ struct i915_transfer *transfer = util_slab_alloc(&i915->texture_transfer_pool);
+ boolean use_staging_texture = FALSE;
if (transfer == NULL)
return NULL;
- transfer->resource = resource;
- transfer->level = level;
- transfer->usage = usage;
- transfer->box = *box;
- transfer->stride = tex->stride;
- /* FIXME: layer_stride */
+ transfer->b.resource = resource;
+ transfer->b.level = level;
+ transfer->b.usage = usage;
+ transfer->b.box = *box;
+ transfer->b.stride = tex->stride;
+ transfer->staging_texture = NULL;
+ /* XXX: handle depth textures everyhwere*/
+ transfer->b.layer_stride = 0;
+ transfer->b.data = NULL;
+
+ /* only support textures we can render to, because we need that for u_blitter */
+ if (i915->blitter &&
+ i915_is_format_supported(NULL, /* screen */
+ transfer->b.resource->format,
+ 0, /* target */
+ 1, /* sample count */
+ PIPE_BIND_RENDER_TARGET) &&
+ (usage & PIPE_TRANSFER_WRITE) &&
+ !(usage & (PIPE_TRANSFER_READ | PIPE_TRANSFER_DONTBLOCK | PIPE_TRANSFER_UNSYNCHRONIZED)))
+ use_staging_texture = TRUE;
+
+ use_staging_texture = FALSE;
+
+ if (use_staging_texture) {
+ /*
+ * Allocate the untiled staging texture.
+ * If the alloc fails, transfer->staging_texture is NULL and we fallback to a map()
+ */
+ transfer->staging_texture = i915_texture_create(pipe->screen, resource, TRUE);
+ }
- return transfer;
+ return (struct pipe_transfer*)transfer;
}
static void
struct pipe_transfer *transfer)
{
struct i915_context *i915 = i915_context(pipe);
- util_slab_free(&i915->transfer_pool, transfer);
+ struct i915_transfer *itransfer = (struct i915_transfer*)transfer;
+
+ if ((itransfer->staging_texture) &&
+ (transfer->usage & PIPE_TRANSFER_WRITE)) {
+ struct pipe_box sbox;
+
+ u_box_origin_2d(itransfer->b.box.width, itransfer->b.box.height, &sbox);
+ pipe->resource_copy_region(pipe, itransfer->b.resource, itransfer->b.level,
+ itransfer->b.box.x, itransfer->b.box.y, itransfer->b.box.z,
+ itransfer->staging_texture,
+ 0, &sbox);
+ pipe->flush(pipe, NULL);
+ pipe_resource_reference(&itransfer->staging_texture, NULL);
+ }
+
+ util_slab_free(&i915->texture_transfer_pool, itransfer);
}
static void *
i915_texture_transfer_map(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct pipe_resource *resource = transfer->resource;
- struct i915_texture *tex = i915_texture(resource);
+ struct i915_transfer *itransfer = (struct i915_transfer*)transfer;
+ struct pipe_resource *resource = itransfer->b.resource;
+ struct i915_texture *tex = NULL;
struct i915_winsys *iws = i915_screen(pipe->screen)->iws;
- struct pipe_box *box = &transfer->box;
+ struct pipe_box *box = &itransfer->b.box;
enum pipe_format format = resource->format;
unsigned offset;
char *map;
if (resource->target != PIPE_TEXTURE_3D &&
resource->target != PIPE_TEXTURE_CUBE)
assert(box->z == 0);
- offset = i915_texture_offset(tex, transfer->level, box->z);
- /* TODO this is a sledgehammer */
- pipe->flush(pipe, NULL);
+ if (itransfer->staging_texture) {
+ tex = i915_texture(itransfer->staging_texture);
+ } else {
+ /* TODO this is a sledgehammer */
+ tex = i915_texture(resource);
+ pipe->flush(pipe, NULL);
+ }
+
+ offset = i915_texture_offset(tex, itransfer->b.level, box->z);
map = iws->buffer_map(iws, tex->buffer,
- (transfer->usage & PIPE_TRANSFER_WRITE) ? TRUE : FALSE);
- if (map == NULL)
+ (itransfer->b.usage & PIPE_TRANSFER_WRITE) ? TRUE : FALSE);
+ if (map == NULL) {
return NULL;
+ }
return map + offset +
- box->y / util_format_get_blockheight(format) * transfer->stride +
+ box->y / util_format_get_blockheight(format) * itransfer->b.stride +
box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
}
i915_texture_transfer_unmap(struct pipe_context *pipe,
struct pipe_transfer *transfer)
{
- struct i915_texture *tex = i915_texture(transfer->resource);
+ struct i915_transfer *itransfer = (struct i915_transfer*)transfer;
+ struct i915_texture *tex = i915_texture(itransfer->b.resource);
struct i915_winsys *iws = i915_screen(tex->b.b.screen)->iws;
+
+ if (itransfer->staging_texture)
+ tex = i915_texture(itransfer->staging_texture);
+
iws->buffer_unmap(iws, tex->buffer);
}
+static void i915_transfer_inline_write( struct pipe_context *pipe,
+ struct pipe_resource *resource,
+ unsigned level,
+ unsigned usage,
+ const struct pipe_box *box,
+ const void *data,
+ unsigned stride,
+ unsigned layer_stride)
+{
+ struct pipe_transfer *transfer = NULL;
+ struct i915_transfer *itransfer = NULL;
+ const uint8_t *src_data = data;
+ unsigned i;
+
+ transfer = pipe->get_transfer(pipe,
+ resource,
+ level,
+ usage,
+ box );
+ if (transfer == NULL)
+ goto out;
+
+ itransfer = (struct i915_transfer*)transfer;
+
+ if (itransfer->staging_texture) {
+ struct i915_texture *tex = i915_texture(itransfer->staging_texture);
+ enum pipe_format format = tex->b.b.format;
+ struct i915_winsys *iws = i915_screen(tex->b.b.screen)->iws;
+ size_t offset;
+ size_t size;
+
+ offset = i915_texture_offset(tex, transfer->level, transfer->box.z);
+
+ for (i = 0; i < box->depth; i++) {
+ if (!tex->b.b.last_level &&
+ tex->b.b.width0 == transfer->box.width) {
+ unsigned nby = util_format_get_nblocksy(format, transfer->box.y);
+ assert(!offset);
+ assert(!transfer->box.x);
+ assert(tex->stride == transfer->stride);
+
+ offset += tex->stride * nby;
+ size = util_format_get_2d_size(format, transfer->stride,
+ transfer->box.height);
+ iws->buffer_write(iws, tex->buffer, offset, size, transfer->data);
+
+ } else {
+ unsigned nby = util_format_get_nblocksy(format, transfer->box.y);
+ int i;
+ offset += util_format_get_stride(format, transfer->box.x);
+ size = transfer->stride;
+
+ for (i = 0; i < nby; i++) {
+ iws->buffer_write(iws, tex->buffer, offset, size, transfer->data);
+ offset += tex->stride;
+ }
+ }
+ offset += layer_stride;
+ }
+ } else {
+ uint8_t *map = pipe_transfer_map(pipe, &itransfer->b);
+ if (map == NULL)
+ goto nomap;
+
+ for (i = 0; i < box->depth; i++) {
+ util_copy_rect(map,
+ resource->format,
+ itransfer->b.stride, /* bytes */
+ 0, 0,
+ box->width,
+ box->height,
+ src_data,
+ stride, /* bytes */
+ 0, 0);
+ map += itransfer->b.layer_stride;
+ src_data += layer_stride;
+ }
+nomap:
+ if (map)
+ pipe_transfer_unmap(pipe, &itransfer->b);
+ }
+
+out:
+ if (itransfer)
+ pipe_transfer_destroy(pipe, &itransfer->b);
+}
+
-struct u_resource_vtbl i915_texture_vtbl =
+struct u_resource_vtbl i915_texture_vtbl =
{
i915_texture_get_handle, /* get_handle */
i915_texture_destroy, /* resource_destroy */
i915_texture_transfer_map, /* transfer_map */
u_default_transfer_flush_region, /* transfer_flush_region */
i915_texture_transfer_unmap, /* transfer_unmap */
- u_default_transfer_inline_write /* transfer_inline_write */
+ i915_transfer_inline_write /* transfer_inline_write */
};
struct pipe_resource *
i915_texture_create(struct pipe_screen *screen,
- const struct pipe_resource *template)
+ const struct pipe_resource *template,
+ boolean force_untiled)
{
struct i915_screen *is = i915_screen(screen);
struct i915_winsys *iws = is->iws;
pipe_reference_init(&tex->b.b.reference, 1);
tex->b.b.screen = screen;
- tex->tiling = i915_texture_tiling(is, tex);
+ if (force_untiled)
+ tex->tiling = I915_TILE_NONE;
+ else
+ tex->tiling = i915_texture_tiling(is, tex);
if (is->is_i945) {
if (!i945_texture_layout(tex))
else
buf_usage = I915_NEW_TEXTURE;
- tex->buffer = iws->buffer_create_tiled(iws, &tex->stride, tex->total_nblocksy,
- &tex->tiling, buf_usage);
+ if (tex->tiling == I915_TILE_NONE)
+ tex->buffer = iws->buffer_create(iws, tex->total_nblocksy * tex->stride,
+ buf_usage);
+ else
+ tex->buffer = iws->buffer_create_tiled(iws, &tex->stride, tex->total_nblocksy,
+ &tex->tiling, buf_usage);
if (!tex->buffer)
goto fail;
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