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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* SWIG interface definion for Gallium types.
*
* @author Jose Fonseca <jrfonseca@tungstengraphics.com>
*/
%nodefaultctor pipe_texture;
%nodefaultctor pipe_surface;
%nodefaultctor st_buffer;
%nodefaultdtor pipe_texture;
%nodefaultdtor pipe_surface;
%nodefaultdtor st_buffer;
%ignore pipe_texture::screen;
%ignore pipe_surface::winsys;
%immutable pipe_surface::texture;
%immutable pipe_surface::buffer;
%newobject pipe_texture::get_surface;
%extend pipe_texture {
~pipe_texture() {
struct pipe_texture *ptr = $self;
pipe_texture_reference(&ptr, NULL);
}
unsigned get_width(unsigned level=0) {
return $self->width[level];
}
unsigned get_height(unsigned level=0) {
return $self->height[level];
}
unsigned get_depth(unsigned level=0) {
return $self->depth[level];
}
unsigned get_nblocksx(unsigned level=0) {
return $self->nblocksx[level];
}
unsigned get_nblocksy(unsigned level=0) {
return $self->nblocksy[level];
}
/** Get a surface which is a "view" into a texture */
struct pipe_surface *
get_surface(unsigned face=0, unsigned level=0, unsigned zslice=0, unsigned usage=0 )
{
struct pipe_screen *screen = $self->screen;
return screen->get_tex_surface(screen, $self, face, level, zslice, usage);
}
};
%extend pipe_surface {
~pipe_surface() {
struct pipe_surface *ptr = $self;
pipe_surface_reference(&ptr, NULL);
}
// gets mapped to pipe_surface_map automatically
void * map( unsigned flags );
// gets mapped to pipe_surface_unmap automatically
void unmap( void );
void
get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, char *raw, unsigned stride) {
pipe_get_tile_raw($self, x, y, w, h, raw, stride);
}
void
put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const char *raw, unsigned stride) {
pipe_put_tile_raw($self, x, y, w, h, raw, stride);
}
void
get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba) {
pipe_get_tile_rgba($self, x, y, w, h, rgba);
}
void
put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba) {
pipe_put_tile_rgba($self, x, y, w, h, rgba);
}
void
get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) {
pipe_get_tile_z($self, x, y, w, h, z);
}
void
put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z) {
pipe_put_tile_z($self, x, y, w, h, z);
}
void
sample_rgba(float *rgba) {
st_sample_surface($self, rgba);
}
unsigned
compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0)
{
float *rgba2;
const float *p1;
const float *p2;
unsigned i, j, n;
rgba2 = MALLOC(h*w*4*sizeof(float));
if(!rgba2)
return ~0;
pipe_get_tile_rgba($self, x, y, w, h, rgba2);
p1 = rgba;
p2 = rgba2;
n = 0;
for(i = h*w; i; --i) {
unsigned differs = 0;
for(j = 4; j; --j) {
float delta = *p2++ - *p1++;
if (delta < -tol || delta > tol)
differs = 1;
}
n += differs;
}
FREE(rgba2);
return n;
}
};
struct st_buffer {
};
%extend st_buffer {
~st_buffer() {
st_buffer_destroy($self);
}
void write( const char *STRING, unsigned LENGTH, unsigned offset = 0) {
struct pipe_screen *screen = $self->st_dev->screen;
char *map;
assert($self->buffer->refcount);
if(offset > $self->buffer->size) {
PyErr_SetString(PyExc_ValueError, "offset must be smaller than buffer size");
return;
}
if(offset + LENGTH > $self->buffer->size) {
PyErr_SetString(PyExc_ValueError, "data length must fit inside the buffer");
return;
}
map = pipe_buffer_map(screen, $self->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
if(map) {
memcpy(map + offset, STRING, LENGTH);
pipe_buffer_unmap(screen, $self->buffer);
}
}
};
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