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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_winsys *winsys = $self->st_dev->screen->winsys;
+ char *map;
+
+ assert($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 = winsys->buffer_map(winsys, $self->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
+ if(map) {
+ memcpy(map + offset, STRING, LENGTH);
+ winsys->buffer_unmap(winsys, $self->buffer);
+ }
+ }
+};