1 /**************************************************************************
3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * SWIG interface definion for Gallium types.
32 * @author Jose Fonseca <jrfonseca@tungstengraphics.com>
36 %nodefaultctor pipe_texture;
37 %nodefaultctor st_surface;
38 %nodefaultctor pipe_buffer;
40 %nodefaultdtor pipe_texture;
41 %nodefaultdtor st_surface;
42 %nodefaultdtor pipe_buffer;
44 %ignore pipe_texture::screen;
46 %immutable st_surface::texture;
47 %immutable st_surface::face;
48 %immutable st_surface::level;
49 %immutable st_surface::zslice;
51 %newobject pipe_texture::get_surface;
54 %extend pipe_texture {
57 struct pipe_texture *ptr = $self;
58 pipe_texture_reference(&ptr, NULL);
61 unsigned get_width(unsigned level=0) {
62 return u_minify($self->width0, level);
65 unsigned get_height(unsigned level=0) {
66 return u_minify($self->height0, level);
69 unsigned get_depth(unsigned level=0) {
70 return u_minify($self->depth0, level);
73 /** Get a surface which is a "view" into a texture */
75 get_surface(unsigned face=0, unsigned level=0, unsigned zslice=0)
77 struct st_surface *surface;
79 if(face >= ($self->target == PIPE_TEXTURE_CUBE ? 6U : 1U))
80 SWIG_exception(SWIG_ValueError, "face out of bounds");
81 if(level > $self->last_level)
82 SWIG_exception(SWIG_ValueError, "level out of bounds");
83 if(zslice >= u_minify($self->depth0, level))
84 SWIG_exception(SWIG_ValueError, "zslice out of bounds");
86 surface = CALLOC_STRUCT(st_surface);
90 pipe_texture_reference(&surface->texture, $self);
92 surface->level = level;
93 surface->zslice = zslice;
107 struct pipe_texture *texture;
123 pipe_texture_reference(&$self->texture, NULL);
127 %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
128 void get_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, char **STRING, int *LENGTH)
130 struct pipe_texture *texture = $self->texture;
131 struct pipe_screen *screen = texture->screen;
132 struct pipe_transfer *transfer;
135 stride = pf_get_stride(texture->format, w);
136 *LENGTH = pf_get_nblocksy(texture->format, h) * stride;
137 *STRING = (char *) malloc(*LENGTH);
141 transfer = screen->get_tex_transfer(screen,
149 pipe_get_tile_raw(transfer, 0, 0, w, h, *STRING, stride);
150 screen->tex_transfer_destroy(transfer);
154 %cstring_input_binary(const char *STRING, unsigned LENGTH);
155 void put_tile_raw(unsigned x, unsigned y, unsigned w, unsigned h, const char *STRING, unsigned LENGTH, unsigned stride = 0)
157 struct pipe_texture *texture = $self->texture;
158 struct pipe_screen *screen = texture->screen;
159 struct pipe_transfer *transfer;
162 stride = pf_get_stride(texture->format, w);
164 if(LENGTH < pf_get_nblocksy(texture->format, h) * stride)
165 SWIG_exception(SWIG_ValueError, "offset must be smaller than buffer size");
167 transfer = screen->get_tex_transfer(screen,
175 SWIG_exception(SWIG_MemoryError, "couldn't initiate transfer");
177 pipe_put_tile_raw(transfer, 0, 0, w, h, STRING, stride);
178 screen->tex_transfer_destroy(transfer);
185 get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *rgba)
187 struct pipe_screen *screen = $self->texture->screen;
188 struct pipe_transfer *transfer;
189 transfer = screen->get_tex_transfer(screen,
197 pipe_get_tile_rgba(transfer, 0, 0, w, h, rgba);
198 screen->tex_transfer_destroy(transfer);
203 put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba)
205 struct pipe_screen *screen = $self->texture->screen;
206 struct pipe_transfer *transfer;
207 transfer = screen->get_tex_transfer(screen,
215 pipe_put_tile_rgba(transfer, 0, 0, w, h, rgba);
216 screen->tex_transfer_destroy(transfer);
220 %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
222 get_tile_rgba8(unsigned x, unsigned y, unsigned w, unsigned h, char **STRING, int *LENGTH)
224 struct pipe_screen *screen = $self->texture->screen;
225 struct pipe_transfer *transfer;
227 unsigned char *rgba8;
237 *STRING = (char *) malloc(*LENGTH);
241 rgba = malloc(h*w*4*sizeof(float));
245 rgba8 = (unsigned char *) *STRING;
247 transfer = screen->get_tex_transfer(screen,
256 pipe_get_tile_rgba(transfer, 0, 0, w, h, rgba);
257 for(j = 0; j < h; ++j) {
258 for(i = 0; i < w; ++i)
259 for(k = 0; k <4; ++k)
260 rgba8[j*w*4 + i*4 + k] = float_to_ubyte(rgba[j*w*4 + i*4 + k]);
262 screen->tex_transfer_destroy(transfer);
269 get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z)
271 struct pipe_screen *screen = $self->texture->screen;
272 struct pipe_transfer *transfer;
273 transfer = screen->get_tex_transfer(screen,
281 pipe_get_tile_z(transfer, 0, 0, w, h, z);
282 screen->tex_transfer_destroy(transfer);
287 put_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, const unsigned *z)
289 struct pipe_screen *screen = $self->texture->screen;
290 struct pipe_transfer *transfer;
291 transfer = screen->get_tex_transfer(screen,
299 pipe_put_tile_z(transfer, 0, 0, w, h, z);
300 screen->tex_transfer_destroy(transfer);
305 sample_rgba(float *rgba) {
306 st_sample_surface($self, rgba);
310 compare_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *rgba, float tol = 0.0)
312 struct pipe_screen *screen = $self->texture->screen;
313 struct pipe_transfer *transfer;
319 rgba2 = MALLOC(h*w*4*sizeof(float));
323 transfer = screen->get_tex_transfer(screen,
335 pipe_get_tile_rgba(transfer, 0, 0, w, h, rgba2);
336 screen->tex_transfer_destroy(transfer);
341 for(i = h*w; i; --i) {
342 unsigned differs = 0;
344 float delta = *p2++ - *p1++;
345 if (delta < -tol || delta > tol)
359 static enum pipe_format
360 st_surface_format_get(struct st_surface *surface)
362 return surface->texture->format;
366 st_surface_width_get(struct st_surface *surface)
368 return u_minify(surface->texture->width0, surface->level);
372 st_surface_height_get(struct st_surface *surface)
374 return u_minify(surface->texture->height0, surface->level);
378 /* Avoid naming conflict with p_inlines.h's pipe_buffer_read/write */
380 %rename(write) write_;
382 %extend pipe_buffer {
385 struct pipe_buffer *ptr = $self;
386 pipe_buffer_reference(&ptr, NULL);
389 unsigned __len__(void)
391 assert(p_atomic_read(&$self->reference.count) > 0);
395 %cstring_output_allocate_size(char **STRING, int *LENGTH, free(*$1));
396 void read_(char **STRING, int *LENGTH)
398 struct pipe_screen *screen = $self->screen;
400 assert(p_atomic_read(&$self->reference.count) > 0);
402 *LENGTH = $self->size;
403 *STRING = (char *) malloc($self->size);
407 pipe_buffer_read(screen, $self, 0, $self->size, *STRING);
410 %cstring_input_binary(const char *STRING, unsigned LENGTH);
411 void write_(const char *STRING, unsigned LENGTH, unsigned offset = 0)
413 struct pipe_screen *screen = $self->screen;
415 assert(p_atomic_read(&$self->reference.count) > 0);
417 if(offset > $self->size)
418 SWIG_exception(SWIG_ValueError, "offset must be smaller than buffer size");
420 if(offset + LENGTH > $self->size)
421 SWIG_exception(SWIG_ValueError, "data length must fit inside the buffer");
423 pipe_buffer_write(screen, $self, offset, LENGTH, STRING);