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>
35 %nodefaultctor st_context;
36 %nodefaultdtor st_context;
44 st_context_destroy($self);
48 * State functions (create/bind/destroy state objects)
51 void set_blend( const struct pipe_blend_state *state ) {
52 cso_set_blend($self->cso, state);
55 void set_sampler( unsigned index, const struct pipe_sampler_state *state ) {
56 cso_single_sampler($self->cso, index, state);
57 cso_single_sampler_done($self->cso);
60 void set_rasterizer( const struct pipe_rasterizer_state *state ) {
61 cso_set_rasterizer($self->cso, state);
64 void set_depth_stencil_alpha(const struct pipe_depth_stencil_alpha_state *state) {
65 cso_set_depth_stencil_alpha($self->cso, state);
68 void set_fragment_shader( const struct pipe_shader_state *state ) {
72 cso_set_fragment_shader_handle($self->cso, NULL);
76 fs = $self->pipe->create_fs_state($self->pipe, state);
80 if(cso_set_fragment_shader_handle($self->cso, fs) != PIPE_OK)
83 cso_delete_fragment_shader($self->cso, $self->fs);
87 void set_vertex_shader( const struct pipe_shader_state *state ) {
91 cso_set_vertex_shader_handle($self->cso, NULL);
95 vs = $self->pipe->create_vs_state($self->pipe, state);
99 if(cso_set_vertex_shader_handle($self->cso, vs) != PIPE_OK)
102 cso_delete_vertex_shader($self->cso, $self->vs);
107 * Parameter-like state (or properties)
110 void set_blend_color(const struct pipe_blend_color *state ) {
111 cso_set_blend_color($self->cso, state);
114 void set_clip(const struct pipe_clip_state *state ) {
115 $self->pipe->set_clip_state($self->pipe, state);
118 void set_constant_buffer(unsigned shader, unsigned index,
119 struct pipe_buffer *buffer )
121 struct pipe_constant_buffer state;
122 memset(&state, 0, sizeof(state));
123 state.buffer = buffer;
124 $self->pipe->set_constant_buffer($self->pipe, shader, index, &state);
127 void set_framebuffer(const struct pipe_framebuffer_state *state )
129 memcpy(&$self->framebuffer, state, sizeof *state);
130 cso_set_framebuffer($self->cso, state);
133 void set_polygon_stipple(const struct pipe_poly_stipple *state ) {
134 $self->pipe->set_polygon_stipple($self->pipe, state);
137 void set_scissor(const struct pipe_scissor_state *state ) {
138 $self->pipe->set_scissor_state($self->pipe, state);
141 void set_viewport(const struct pipe_viewport_state *state) {
142 cso_set_viewport($self->cso, state);
145 void set_sampler_texture(unsigned index,
146 struct pipe_texture *texture) {
148 texture = $self->default_texture;
149 pipe_texture_reference(&$self->sampler_textures[index], texture);
150 $self->pipe->set_sampler_textures($self->pipe,
152 $self->sampler_textures);
155 void set_vertex_buffer(unsigned index,
158 unsigned buffer_offset,
159 struct pipe_buffer *buffer)
162 struct pipe_vertex_buffer state;
164 memset(&state, 0, sizeof(state));
165 state.stride = stride;
166 state.max_index = max_index;
167 state.buffer_offset = buffer_offset;
168 state.buffer = buffer;
170 memcpy(&$self->vertex_buffers[index], &state, sizeof(state));
172 for(i = 0; i < PIPE_MAX_ATTRIBS; ++i)
173 if(self->vertex_buffers[i].buffer)
174 $self->num_vertex_buffers = i + 1;
176 $self->pipe->set_vertex_buffers($self->pipe,
177 $self->num_vertex_buffers,
178 $self->vertex_buffers);
181 void set_vertex_element(unsigned index,
182 const struct pipe_vertex_element *element)
184 memcpy(&$self->vertex_elements[index], element, sizeof(*element));
187 void set_vertex_elements(unsigned num)
189 $self->num_vertex_elements = num;
190 $self->pipe->set_vertex_elements($self->pipe,
191 $self->num_vertex_elements,
192 $self->vertex_elements);
199 void draw_arrays(unsigned mode, unsigned start, unsigned count) {
200 $self->pipe->draw_arrays($self->pipe, mode, start, count);
203 void draw_elements( struct pipe_buffer *indexBuffer,
205 unsigned mode, unsigned start, unsigned count)
207 $self->pipe->draw_elements($self->pipe,
213 void draw_range_elements( struct pipe_buffer *indexBuffer,
214 unsigned indexSize, unsigned minIndex, unsigned maxIndex,
215 unsigned mode, unsigned start, unsigned count)
217 $self->pipe->draw_range_elements($self->pipe,
219 indexSize, minIndex, maxIndex,
223 void draw_vertices(unsigned prim,
225 unsigned num_attribs,
226 const float *vertices)
228 struct pipe_context *pipe = $self->pipe;
229 struct pipe_screen *screen = pipe->screen;
230 struct pipe_buffer *vbuf;
234 size = num_verts * num_attribs * 4 * sizeof(float);
236 vbuf = pipe_buffer_create(screen,
238 PIPE_BUFFER_USAGE_VERTEX,
243 map = pipe_buffer_map(screen, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
246 memcpy(map, vertices, size);
247 pipe_buffer_unmap(screen, vbuf);
249 util_draw_vertex_buffer(pipe, vbuf, 0, prim, num_verts, num_attribs);
252 pipe_buffer_reference(&vbuf, NULL);
258 flush(unsigned flags = 0) {
259 struct pipe_fence_handle *fence = NULL;
260 $self->pipe->flush($self->pipe, flags | PIPE_FLUSH_RENDER_CACHE, &fence);
262 /* TODO: allow asynchronous operation */
263 $self->pipe->screen->fence_finish( $self->pipe->screen, fence, 0 );
264 $self->pipe->screen->fence_reference( $self->pipe->screen, &fence, NULL );
272 void surface_copy(struct st_surface *dst,
273 unsigned destx, unsigned desty,
274 struct st_surface *src,
275 unsigned srcx, unsigned srcy,
276 unsigned width, unsigned height)
278 struct pipe_surface *_dst = NULL;
279 struct pipe_surface *_src = NULL;
281 _dst = st_pipe_surface(dst, PIPE_BUFFER_USAGE_GPU_WRITE);
283 SWIG_exception(SWIG_ValueError, "couldn't acquire destination surface for writing");
285 _src = st_pipe_surface(src, PIPE_BUFFER_USAGE_GPU_READ);
287 SWIG_exception(SWIG_ValueError, "couldn't acquire source surface for reading");
289 $self->pipe->surface_copy($self->pipe, _dst, destx, desty, _src, srcx, srcy, width, height);
292 pipe_surface_reference(&_src, NULL);
293 pipe_surface_reference(&_dst, NULL);
296 void surface_fill(struct st_surface *dst,
297 unsigned x, unsigned y,
298 unsigned width, unsigned height,
301 struct pipe_surface *_dst = NULL;
303 _dst = st_pipe_surface(dst, PIPE_BUFFER_USAGE_GPU_WRITE);
305 SWIG_exception(SWIG_ValueError, "couldn't acquire destination surface for writing");
307 $self->pipe->surface_fill($self->pipe, _dst, x, y, width, height, value);
310 pipe_surface_reference(&_dst, NULL);
313 void clear(unsigned buffers, const float *rgba, double depth = 0.0f,
314 unsigned stencil = 0)
316 $self->pipe->clear($self->pipe, buffers, rgba, depth, stencil);