| /************************************************************************** |
| * |
| * 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 pipe_buffer *buffer ) |
| { |
| struct pipe_constant_buffer state; |
| memset(&state, 0, sizeof(state)); |
| state.buffer = buffer; |
| $self->pipe->set_constant_buffer($self->pipe, shader, index, &state); |
| } |
| |
| void set_framebuffer(const struct pipe_framebuffer_state *state ) |
| { |
| memcpy(&$self->framebuffer, state, sizeof *state); |
| cso_set_framebuffer($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, |
| $self->sampler_textures); |
| } |
| |
| void set_vertex_buffer(unsigned index, |
| unsigned stride, |
| unsigned max_index, |
| unsigned buffer_offset, |
| struct pipe_buffer *buffer) |
| { |
| unsigned i; |
| struct pipe_vertex_buffer state; |
| |
| memset(&state, 0, sizeof(state)); |
| state.stride = stride; |
| state.max_index = max_index; |
| state.buffer_offset = buffer_offset; |
| state.buffer = buffer; |
| |
| memcpy(&$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 pipe_buffer *indexBuffer, |
| unsigned indexSize, |
| unsigned mode, unsigned start, unsigned count) |
| { |
| $self->pipe->draw_elements($self->pipe, |
| indexBuffer, |
| indexSize, |
| mode, start, count); |
| } |
| |
| void draw_range_elements( struct pipe_buffer *indexBuffer, |
| unsigned indexSize, unsigned minIndex, unsigned maxIndex, |
| unsigned mode, unsigned start, unsigned count) |
| { |
| $self->pipe->draw_range_elements($self->pipe, |
| indexBuffer, |
| 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, 0, prim, num_verts, num_attribs); |
| |
| error2: |
| pipe_buffer_reference(&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); |
| if(fence) { |
| /* TODO: allow asynchronous operation */ |
| $self->pipe->screen->fence_finish( $self->pipe->screen, fence, 0 ); |
| $self->pipe->screen->fence_reference( $self->pipe->screen, &fence, NULL ); |
| } |
| } |
| |
| /* |
| * Surface functions |
| */ |
| |
| void surface_copy(struct st_surface *dst, |
| unsigned destx, unsigned desty, |
| struct st_surface *src, |
| unsigned srcx, unsigned srcy, |
| unsigned width, unsigned height) |
| { |
| struct pipe_surface *_dst = NULL; |
| struct pipe_surface *_src = NULL; |
| |
| _dst = st_pipe_surface(dst, PIPE_BUFFER_USAGE_GPU_WRITE); |
| if(!_dst) |
| SWIG_exception(SWIG_ValueError, "couldn't acquire destination surface for writing"); |
| |
| _src = st_pipe_surface(src, PIPE_BUFFER_USAGE_GPU_READ); |
| if(!_src) |
| SWIG_exception(SWIG_ValueError, "couldn't acquire source surface for reading"); |
| |
| $self->pipe->surface_copy($self->pipe, _dst, destx, desty, _src, srcx, srcy, width, height); |
| |
| fail: |
| pipe_surface_reference(&_src, NULL); |
| pipe_surface_reference(&_dst, NULL); |
| } |
| |
| void surface_fill(struct st_surface *dst, |
| unsigned x, unsigned y, |
| unsigned width, unsigned height, |
| unsigned value) |
| { |
| struct pipe_surface *_dst = NULL; |
| |
| _dst = st_pipe_surface(dst, PIPE_BUFFER_USAGE_GPU_WRITE); |
| if(!_dst) |
| SWIG_exception(SWIG_ValueError, "couldn't acquire destination surface for writing"); |
| |
| $self->pipe->surface_fill($self->pipe, _dst, x, y, width, height, value); |
| |
| fail: |
| pipe_surface_reference(&_dst, NULL); |
| } |
| |
| void clear(unsigned buffers, const float *rgba, double depth = 0.0f, |
| unsigned stencil = 0) |
| { |
| $self->pipe->clear($self->pipe, buffers, rgba, depth, stencil); |
| } |
| |
| }; |