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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 st_context;
+%nodefaultdtor st_context;
+
+struct st_context {
+};
+
+%extend st_context {
+
+ ~st_context() {
+ st_context_destroy($self);
+ }
+
+ /*
+ * State functions (create/bind/destroy state objects)
+ */
+
+ void set_blend( const struct pipe_blend_state *state ) {
+ cso_set_blend($self->cso, state);
+ }
+
+ void set_sampler( unsigned index, const struct pipe_sampler_state *state ) {
+ cso_single_sampler($self->cso, index, state);
+ cso_single_sampler_done($self->cso);
+ }
+
+ void set_rasterizer( const struct pipe_rasterizer_state *state ) {
+ cso_set_rasterizer($self->cso, state);
+ }
+
+ void set_depth_stencil_alpha(const struct pipe_depth_stencil_alpha_state *state) {
+ cso_set_depth_stencil_alpha($self->cso, state);
+ }
+
+ void set_fragment_shader( const struct pipe_shader_state *state ) {
+ void *fs;
+
+ if(!state) {
+ cso_set_fragment_shader_handle($self->cso, NULL);
+ return;
+ }
+
+ fs = $self->pipe->create_fs_state($self->pipe, state);
+ if(!fs)
+ return;
+
+ if(cso_set_fragment_shader_handle($self->cso, fs) != PIPE_OK)
+ return;
+
+ cso_delete_fragment_shader($self->cso, $self->fs);
+ $self->fs = fs;
+ }
+
+ void set_vertex_shader( const struct pipe_shader_state *state ) {
+ void *vs;
+
+ if(!state) {
+ cso_set_vertex_shader_handle($self->cso, NULL);
+ return;
+ }
+
+ vs = $self->pipe->create_vs_state($self->pipe, state);
+ if(!vs)
+ return;
+
+ if(cso_set_vertex_shader_handle($self->cso, vs) != PIPE_OK)
+ return;
+
+ cso_delete_vertex_shader($self->cso, $self->vs);
+ $self->vs = vs;
+ }
+
+ /*
+ * Parameter-like state (or properties)
+ */
+
+ void set_blend_color(const struct pipe_blend_color *state ) {
+ cso_set_blend_color($self->cso, state);
+ }
+
+ void set_clip(const struct pipe_clip_state *state ) {
+ $self->pipe->set_clip_state($self->pipe, state);
+ }
+
+ void set_constant_buffer(unsigned shader, unsigned index,
+ struct st_buffer *buffer )
+ {
+ struct pipe_constant_buffer state;
+ memset(&state, 0, sizeof(state));
+ state.buffer = buffer ? buffer->buffer : NULL;
+ state.size = buffer->buffer->size;
+ $self->pipe->set_constant_buffer($self->pipe, shader, index, &state);
+ }
+
+ void set_framebuffer(const struct pipe_framebuffer_state *state ) {
+ cso_set_framebuffer($self->cso, state);
+ }
+
+ void set_polygon_stipple(const struct pipe_poly_stipple *state ) {
+ $self->pipe->set_polygon_stipple($self->pipe, state);
+ }
+
+ void set_scissor(const struct pipe_scissor_state *state ) {
+ $self->pipe->set_scissor_state($self->pipe, state);
+ }
+
+ void set_viewport(const struct pipe_viewport_state *state) {
+ cso_set_viewport($self->cso, state);
+ }
+
+ void set_sampler_texture(unsigned index,
+ struct pipe_texture *texture) {
+ if(!texture)
+ texture = $self->default_texture;
+ pipe_texture_reference(&$self->sampler_textures[index], texture);
+ $self->pipe->set_sampler_textures($self->pipe,
+ PIPE_MAX_SAMPLERS,
+ $self->sampler_textures);
+ }
+
+ void set_vertex_buffer(unsigned index,
+ unsigned pitch,
+ unsigned max_index,
+ unsigned buffer_offset,
+ struct st_buffer *buffer)
+ {
+ unsigned i;
+ struct pipe_vertex_buffer state;
+
+ memset(&state, 0, sizeof(state));
+ state.pitch = pitch;
+ state.max_index = max_index;
+ state.buffer_offset = buffer_offset;
+ state.buffer = buffer ? buffer->buffer : NULL;
+
+ memcpy(&$self->vertex_buffers[index], &state, sizeof(state));
+
+ for(i = 0; i < PIPE_MAX_ATTRIBS; ++i)
+ if(self->vertex_buffers[i].buffer)
+ $self->num_vertex_buffers = i + 1;
+
+ $self->pipe->set_vertex_buffers($self->pipe,
+ $self->num_vertex_buffers,
+ $self->vertex_buffers);
+ }
+
+ void set_vertex_element(unsigned index,
+ const struct pipe_vertex_element *element)
+ {
+ memcpy(&$self->vertex_elements[index], element, sizeof(*element));
+ }
+
+ void set_vertex_elements(unsigned num)
+ {
+ $self->num_vertex_elements = num;
+ $self->pipe->set_vertex_elements($self->pipe,
+ $self->num_vertex_elements,
+ $self->vertex_elements);
+ }
+
+ /*
+ * Draw functions
+ */
+
+ void draw_arrays(unsigned mode, unsigned start, unsigned count) {
+ $self->pipe->draw_arrays($self->pipe, mode, start, count);
+ }
+
+ void draw_elements( struct st_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned mode, unsigned start, unsigned count)
+ {
+ $self->pipe->draw_elements($self->pipe,
+ indexBuffer->buffer,
+ indexSize,
+ mode, start, count);
+ }
+
+ void draw_range_elements( struct st_buffer *indexBuffer,
+ unsigned indexSize, unsigned minIndex, unsigned maxIndex,
+ unsigned mode, unsigned start, unsigned count)
+ {
+ $self->pipe->draw_range_elements($self->pipe,
+ indexBuffer->buffer,
+ indexSize, minIndex, maxIndex,
+ mode, start, count);
+ }
+
+ void draw_vertices(unsigned prim,
+ unsigned num_verts,
+ unsigned num_attribs,
+ const float *vertices)
+ {
+ struct pipe_context *pipe = $self->pipe;
+ struct pipe_screen *screen = pipe->screen;
+ struct pipe_buffer *vbuf;
+ float *map;
+ unsigned size;
+
+ size = num_verts * num_attribs * 4 * sizeof(float);
+
+ vbuf = pipe_buffer_create(screen,
+ 32,
+ PIPE_BUFFER_USAGE_VERTEX,
+ size);
+ if(!vbuf)
+ goto error1;
+
+ map = pipe_buffer_map(screen, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE);
+ if (!map)
+ goto error2;
+ memcpy(map, vertices, size);
+ pipe_buffer_unmap(screen, vbuf);
+
+ util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs);
+
+error2:
+ pipe_buffer_reference(screen, &vbuf, NULL);
+error1:
+ ;
+ }
+
+ void
+ flush(unsigned flags = 0) {
+ struct pipe_fence_handle *fence = NULL;
+ $self->pipe->flush($self->pipe, flags | PIPE_FLUSH_RENDER_CACHE, &fence);
+ /* TODO: allow asynchronous operation */
+ $self->pipe->winsys->fence_finish( $self->pipe->winsys, fence, 0 );
+ $self->pipe->winsys->fence_reference( $self->pipe->winsys, &fence, NULL );
+ }
+
+ /*
+ * Surface functions
+ */
+
+ void surface_copy(int do_flip,
+ struct pipe_surface *dest,
+ unsigned destx, unsigned desty,
+ struct pipe_surface *src,
+ unsigned srcx, unsigned srcy,
+ unsigned width, unsigned height) {
+ $self->pipe->surface_copy($self->pipe, do_flip, dest, destx, desty, src, srcx, srcy, width, height);
+ }
+
+ void surface_fill(struct pipe_surface *dst,
+ unsigned x, unsigned y,
+ unsigned width, unsigned height,
+ unsigned value) {
+ $self->pipe->surface_fill($self->pipe, dst, x, y, width, height, value);
+ }
+
+ void surface_clear(struct pipe_surface *surface, unsigned value = 0) {
+ $self->pipe->clear($self->pipe, surface, value);
+ }
+
+};
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