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Diffstat (limited to 'src/gallium/state_trackers/python/p_texture.i')
| -rw-r--r-- | src/gallium/state_trackers/python/p_texture.i | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/p_texture.i b/src/gallium/state_trackers/python/p_texture.i new file mode 100644 index 00000000000..08ba0ebe4d0 --- /dev/null +++ b/src/gallium/state_trackers/python/p_texture.i @@ -0,0 +1,232 @@ + /************************************************************************** + * + * 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 <[email protected]> + */ + + +%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); + } + + unsigned __len__(void) + { + assert($self->buffer->refcount); + return $self->buffer->size; + } + + %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1)); + void read(char **STRING, int *LENGTH) + { + struct pipe_screen *screen = $self->st_dev->screen; + const char *map; + + assert($self->buffer->refcount); + + *LENGTH = $self->buffer->size; + *STRING = (char *) malloc($self->buffer->size); + if(!*STRING) + return; + + map = pipe_buffer_map(screen, $self->buffer, PIPE_BUFFER_USAGE_CPU_READ); + if(map) { + memcpy(*STRING, map, $self->buffer->size); + pipe_buffer_unmap(screen, $self->buffer); + } + } + + %cstring_input_binary(const char *STRING, unsigned LENGTH); + 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); + } + } +}; |