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ilo: minor cleanups for transfers 

Rename some functions and reorder some code.
This commit is contained in:
Chia-I Wu 2013-05-15 08:49:22 +08:00
parent ca349e0217
commit 46bb33bc21
1 changed files with 41 additions and 41 deletions
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82
src/gallium/drivers/ilo/ilo_transfer.c
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@ -59,7 +59,7 @@ ilo_transfer(struct pipe_transfer *transfer)
* the bo is busy.
*/
static bool
transfer_choose_method(struct ilo_context *ilo, struct ilo_transfer *xfer)
choose_transfer_method(struct ilo_context *ilo, struct ilo_transfer *xfer)
{
struct pipe_resource *res = xfer->base.resource;
struct ilo_texture *tex;
@ -79,12 +79,12 @@ transfer_choose_method(struct ilo_context *ilo, struct ilo_transfer *xfer)
tex = ilo_texture(res);
bo = tex->bo;
/* need to convert on-the-fly */
if (tex->bo_format != tex->base.format &&
!(xfer->base.usage & PIPE_TRANSFER_MAP_DIRECTLY)) {
xfer->method = ILO_TRANSFER_MAP_STAGING_SYS;
return true;
if (!(xfer->base.usage & PIPE_TRANSFER_MAP_DIRECTLY)) {
/* need to convert on-the-fly */
if (tex->bo_format != tex->base.format) {
xfer->method = ILO_TRANSFER_MAP_STAGING_SYS;
return true;
}
}
}
@ -151,12 +151,12 @@ transfer_choose_method(struct ilo_context *ilo, struct ilo_transfer *xfer)
}
static void
tex_unmap_sys_convert(enum pipe_format dst_fmt,
const struct pipe_transfer *dst_xfer,
void *dst,
enum pipe_format src_fmt,
const struct pipe_transfer *src_xfer,
const void *src)
tex_staging_sys_convert_write(enum pipe_format dst_fmt,
const struct pipe_transfer *dst_xfer,
void *dst,
enum pipe_format src_fmt,
const struct pipe_transfer *src_xfer,
const void *src)
{
int i;
@ -180,9 +180,9 @@ tex_unmap_sys_convert(enum pipe_format dst_fmt,
}
static void
tex_unmap_sys(struct ilo_context *ilo,
struct ilo_texture *tex,
struct ilo_transfer *xfer)
tex_staging_sys_unmap(struct ilo_context *ilo,
struct ilo_texture *tex,
struct ilo_transfer *xfer)
{
const void *src = xfer->ptr;
struct pipe_transfer *dst_xfer;
@ -201,7 +201,7 @@ tex_unmap_sys(struct ilo_context *ilo,
}
if (likely(tex->bo_format != tex->base.format)) {
tex_unmap_sys_convert(tex->bo_format, dst_xfer, dst,
tex_staging_sys_convert_write(tex->bo_format, dst_xfer, dst,
tex->base.format, &xfer->base, src);
}
else {
@ -216,9 +216,9 @@ tex_unmap_sys(struct ilo_context *ilo,
}
static bool
tex_map_sys(struct ilo_context *ilo,
struct ilo_texture *tex,
struct ilo_transfer *xfer)
tex_staging_sys_map(struct ilo_context *ilo,
struct ilo_texture *tex,
struct ilo_transfer *xfer)
{
const struct pipe_box *box = &xfer->base.box;
const size_t stride = util_format_get_stride(tex->base.format, box->width);
@ -226,6 +226,15 @@ tex_map_sys(struct ilo_context *ilo,
util_format_get_2d_size(tex->base.format, stride, box->height);
bool read_back = false;
xfer->staging_sys = MALLOC(size * box->depth);
if (!xfer->staging_sys)
return false;
xfer->base.stride = stride;
xfer->base.layer_stride = size;
xfer->ptr = xfer->staging_sys;
/* see if we need to read the resource back */
if (xfer->base.usage & PIPE_TRANSFER_READ) {
read_back = true;
}
@ -237,23 +246,15 @@ tex_map_sys(struct ilo_context *ilo,
read_back = true;
}
if (!read_back)
return true;
/* TODO */
if (read_back)
return false;
xfer->staging_sys = MALLOC(size * box->depth);
if (!xfer->staging_sys)
return false;
xfer->base.stride = stride;
xfer->base.layer_stride = size;
xfer->ptr = xfer->staging_sys;
return true;
return false;
}
static void
tex_unmap_direct(struct ilo_context *ilo,
tex_direct_unmap(struct ilo_context *ilo,
struct ilo_texture *tex,
struct ilo_transfer *xfer)
{
@ -261,7 +262,7 @@ tex_unmap_direct(struct ilo_context *ilo,
}
static bool
tex_map_direct(struct ilo_context *ilo,
tex_direct_map(struct ilo_context *ilo,
struct ilo_texture *tex,
struct ilo_transfer *xfer)
{
@ -321,16 +322,15 @@ tex_map(struct ilo_context *ilo, struct ilo_transfer *xfer)
struct ilo_texture *tex = ilo_texture(xfer->base.resource);
bool success;
success = transfer_choose_method(ilo, xfer);
if (!success)
if (!choose_transfer_method(ilo, xfer))
return false;
switch (xfer->method) {
case ILO_TRANSFER_MAP_DIRECT:
success = tex_map_direct(ilo, tex, xfer);
success = tex_direct_map(ilo, tex, xfer);
break;
case ILO_TRANSFER_MAP_STAGING_SYS:
success = tex_map_sys(ilo, tex, xfer);
success = tex_staging_sys_map(ilo, tex, xfer);
break;
default:
assert(!"unknown mapping method");
@ -348,10 +348,10 @@ tex_unmap(struct ilo_context *ilo, struct ilo_transfer *xfer)
switch (xfer->method) {
case ILO_TRANSFER_MAP_DIRECT:
tex_unmap_direct(ilo, tex, xfer);
tex_direct_unmap(ilo, tex, xfer);
break;
case ILO_TRANSFER_MAP_STAGING_SYS:
tex_unmap_sys(ilo, tex, xfer);
tex_staging_sys_unmap(ilo, tex, xfer);
break;
default:
assert(!"unknown mapping method");
@ -365,7 +365,7 @@ buf_map(struct ilo_context *ilo, struct ilo_transfer *xfer)
struct ilo_buffer *buf = ilo_buffer(xfer->base.resource);
int err;
if (!transfer_choose_method(ilo, xfer))
if (!choose_transfer_method(ilo, xfer))
return false;
assert(xfer->method == ILO_TRANSFER_MAP_DIRECT);