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python: Make get/put_tile_raw more user friendlier.

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This commit is contained in:
José Fonseca 2009-03-31 10:58:18 +01:00
parent e848a86dba
commit b4b4986f1f
1 changed files with 32 additions and 11 deletions
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43
src/gallium/state_trackers/python/p_texture.i
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@ -134,11 +134,20 @@ struct st_surface
FREE($self);
}
void
get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, char *raw, unsigned stride)
%cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
void get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, char **STRING, int *LENGTH)
{
struct pipe_screen *screen = $self->texture->screen;
struct pipe_texture *texture = $self->texture;
struct pipe_screen *screen = texture->screen;
struct pipe_transfer *transfer;
unsigned stride;
stride = pf_get_nblocksx(&texture->block, w) * texture->block.size;
*LENGTH = pf_get_nblocksy(&texture->block, h) * stride;
*STRING = (char *) malloc(*LENGTH);
if(!*STRING)
return;
transfer = screen->get_tex_transfer(screen,
$self->texture,
$self->face,
@ -147,16 +156,24 @@ struct st_surface
PIPE_TRANSFER_READ,
x, y, w, h);
if(transfer) {
pipe_get_tile_raw(transfer, 0, 0, w, h, raw, stride);
pipe_get_tile_raw(transfer, 0, 0, w, h, *STRING, stride);
screen->tex_transfer_destroy(transfer);
}
}
void
put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const char *raw, unsigned stride)
%cstring_input_binary(const char *STRING, unsigned LENGTH);
void put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const char *STRING, unsigned LENGTH, unsigned stride = 0)
{
struct pipe_screen *screen = $self->texture->screen;
struct pipe_texture *texture = $self->texture;
struct pipe_screen *screen = texture->screen;
struct pipe_transfer *transfer;
if(stride == 0)
stride = pf_get_nblocksx(&texture->block, w) * texture->block.size;
if(LENGTH < pf_get_nblocksy(&texture->block, h) * stride)
SWIG_exception(SWIG_ValueError, "offset must be smaller than buffer size");
transfer = screen->get_tex_transfer(screen,
$self->texture,
$self->face,
@ -164,10 +181,14 @@ struct st_surface
$self->zslice,
PIPE_TRANSFER_WRITE,
x, y, w, h);
if(transfer) {
pipe_put_tile_raw(transfer, 0, 0, w, h, raw, stride);
screen->tex_transfer_destroy(transfer);
}
if(!transfer)
SWIG_exception(SWIG_MemoryError, "couldn't initiate transfer");
pipe_put_tile_raw(transfer, 0, 0, w, h, STRING, stride);
screen->tex_transfer_destroy(transfer);
fail:
return;
}
void