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Diffstat (limited to 'src/gallium/state_trackers/python/gallium.i')
| -rw-r--r-- | src/gallium/state_trackers/python/gallium.i | 448 |
1 files changed, 448 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/python/gallium.i b/src/gallium/state_trackers/python/gallium.i new file mode 100644 index 0000000000..d6594f3a87 --- /dev/null +++ b/src/gallium/state_trackers/python/gallium.i @@ -0,0 +1,448 @@ + /************************************************************************** + * + * 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> + */ + +%module gallium; + +%{ + +#include <stdio.h> +#include <Python.h> + +#include "pipe/p_screen.h" +#include "pipe/p_context.h" +#include "pipe/p_inlines.h" +#include "pipe/p_util.h" +#include "pipe/p_shader_tokens.h" +#include "util/u_draw_quad.h" +#include "util/p_tile.h" +#include "cso_cache/cso_context.h" + +#include "st_device.h" + +%} + +%include "carrays.i" +%array_class(int, IntArray); +%array_class(float, FloatArray); + + +%rename(Device) st_device; +%rename(Context) st_context; +%rename(Texture) pipe_texture; +%rename(Surface) pipe_surface; + +%rename(Buffer) pipe_buffer; +%rename(BlendColor) pipe_blend_color; +%rename(Blend) pipe_blend_state; +%rename(Clip) pipe_clip_state; +%rename(ConstantBuffer) pipe_constant_buffer; +%rename(DepthStencilAlpha) pipe_depth_stencil_alpha_state; +%rename(FormatBlock) pipe_format_block; +%rename(Framebuffer) pipe_framebuffer_state; +%rename(PolyStipple) pipe_poly_stipple; +%rename(Rasterizer) pipe_rasterizer_state; +%rename(Sampler) pipe_sampler_state; +%rename(Scissor) pipe_scissor_state; +%rename(Shader) pipe_shader_state; +%rename(VertexBuffer) pipe_vertex_buffer; +%rename(VertexElement) pipe_vertex_element; +%rename(Viewport) pipe_viewport_state; + +%include "p_format.i"; +%include "pipe/p_defines.h"; +%include "pipe/p_state.h"; +%include "pipe/p_shader_tokens.h"; + + +%nodefaultctor; +%nodefaultdtor; + +struct st_device { +}; + +struct st_context { +}; + + +%extend st_device { + + st_device(int hardware = 0) { + return st_device_create(hardware ? TRUE : FALSE); + } + + ~st_device() { + st_device_destroy($self); + } + + const char * get_name( void ) { + return $self->screen->get_name($self->screen); + } + + const char * get_vendor( void ) { + return $self->screen->get_vendor($self->screen); + } + + /** + * Query an integer-valued capability/parameter/limit + * \param param one of PIPE_CAP_x + */ + int get_param( int param ) { + return $self->screen->get_param($self->screen, param); + } + + /** + * Query a float-valued capability/parameter/limit + * \param param one of PIPE_CAP_x + */ + float get_paramf( int param ) { + return $self->screen->get_paramf($self->screen, param); + } + + /** + * Check if the given pipe_format is supported as a texture or + * drawing surface. + * \param type one of PIPE_TEXTURE, PIPE_SURFACE + */ + int is_format_supported( enum pipe_format format, unsigned type ) { + return $self->screen->is_format_supported( $self->screen, format, type); + } + + struct st_context * + context_create(void) { + return st_context_create($self); + } + + struct pipe_texture * + texture_create( + enum pipe_format format, + unsigned width, + unsigned height, + unsigned depth = 1, + unsigned last_level = 0, + enum pipe_texture_target target = PIPE_TEXTURE_2D, + unsigned usage = 0 + ) { + struct pipe_texture templat; + memset(&templat, 0, sizeof(templat)); + templat.format = format; + pf_get_block(templat.format, &templat.block); + templat.width[0] = width; + templat.height[0] = height; + templat.depth[0] = depth; + templat.last_level = last_level; + templat.target = target; + templat.tex_usage = usage; + return $self->screen->texture_create($self->screen, &templat); + } + + struct pipe_buffer * + buffer_create(unsigned size, unsigned alignment = 0, unsigned usage = 0) { + return $self->screen->winsys->buffer_create($self->screen->winsys, alignment, usage, size); + } + +}; + + +%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 * create_fs( const struct pipe_shader_state *state ) { + return $self->pipe->create_fs_state($self->pipe, state); + } + + void bind_fs( void *state_obj ) { + $self->pipe->bind_fs_state($self->pipe, state_obj); + } + + void delete_fs( void *state_obj ) { + $self->pipe->delete_fs_state($self->pipe, state_obj); + } + + void * create_vs( const struct pipe_shader_state *state ) { + return $self->pipe->create_vs_state($self->pipe, state); + } + + void bind_vs( void *state_obj ) { + $self->pipe->bind_vs_state($self->pipe, state_obj); + } + + void delete_vs( void *state_obj ) { + $self->pipe->delete_vs_state($self->pipe, state_obj); + } + + /* + * 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, + const struct pipe_constant_buffer *buf ) { + $self->pipe->set_constant_buffer($self->pipe, shader, index, buf); + } + + 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($self->cso, state); + } + + void set_sampler_texture(unsigned index, + struct pipe_texture *texture) { + pipe_texture_reference(&$self->sampler_textures[index], texture); + $self->pipe->set_sampler_textures($self->pipe, + PIPE_MAX_SAMPLERS, + $self->sampler_textures); + } + + void set_vertex_buffer(unsigned index, + const struct pipe_vertex_buffer *buffer) { + memcpy(&$self->vertex_buffers[index], buffer, sizeof(*buffer)); + $self->pipe->set_vertex_buffers($self->pipe, PIPE_MAX_ATTRIBS, $self->vertex_buffers); + } + + void set_vertex_element(unsigned index, + const struct pipe_vertex_element *element) { + memcpy(&$self->vertex_elements[index], element, sizeof(*element)); + $self->pipe->set_vertex_elements($self->pipe, PIPE_MAX_ATTRIBS, $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_vertices(unsigned prim, + unsigned num_verts, + unsigned num_attribs, + const float *vertices) + { + struct pipe_context *pipe = $self->pipe; + struct pipe_winsys *winsys = pipe->winsys; + struct pipe_buffer *vbuf; + float *map; + unsigned size; + + size = num_verts * num_attribs * 4 * sizeof(float); + + vbuf = winsys->buffer_create(winsys, + 32, + PIPE_BUFFER_USAGE_VERTEX, + size); + if(!vbuf) + goto error1; + + map = winsys->buffer_map(winsys, vbuf, PIPE_BUFFER_USAGE_CPU_WRITE); + if (!map) + goto error2; + memcpy(map, vertices, size); + pipe->winsys->buffer_unmap(pipe->winsys, vbuf); + + util_draw_vertex_buffer(pipe, vbuf, prim, num_verts, num_attribs); + +error2: + pipe_buffer_reference(pipe->winsys, &vbuf, NULL); +error1: + ; + } + + void draw_quad(float x0, float y0, float x1, float y1, float z = 0.0f) { + util_draw_texquad($self->pipe, x0, y0, x1, y1, z); + } + + void + flush(void) { + struct pipe_fence_handle *fence = NULL; + $self->pipe->flush($self->pipe, 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 clear(struct pipe_surface *surface, unsigned value) { + $self->pipe->clear($self->pipe, surface, value); + } + +}; + + +%extend pipe_texture { + + ~pipe_texture() { + struct pipe_texture *ptr = $self; + pipe_texture_reference(&ptr, NULL); + } + + /** 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 = $self; + pipe_surface_reference(&ptr, NULL); + } + + // gets mapped to pipe_surface_map automatically + void * map( unsigned flags ); + + // gets mapped to pipe_surface_unmap automatically + void unmap( void ); + + void + get_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, float *p) { + pipe_get_tile_rgba($self, x, y, w, h, p); + } + + void + put_tile_rgba(unsigned x, unsigned y, unsigned w, unsigned h, const float *p) { + pipe_put_tile_rgba($self, x, y, w, h, p); + } + + void + get_tile_z(unsigned x, unsigned y, unsigned w, unsigned h, unsigned *z) { + pipe_get_tile_z($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($self, x, y, w, h, z); + } + +}; + + +%extend pipe_framebuffer_state { + + pipe_framebuffer_state(void) { + return CALLOC_STRUCT(pipe_framebuffer_state); + } + + ~pipe_framebuffer_state() { + unsigned index; + for(index = 0; index < PIPE_MAX_COLOR_BUFS; ++index) + pipe_surface_reference(&$self->cbufs[index], NULL); + pipe_surface_reference(&$self->zsbuf, NULL); + FREE($self); + } + + void + set_cbuf(unsigned index, struct pipe_surface *surface) { + pipe_surface_reference(&$self->cbufs[index], surface); + } + + void + set_zsbuf(struct pipe_surface *surface) { + pipe_surface_reference(&$self->zsbuf, surface); + } + +}; |