src/gallium/state_trackers/python/p_context.i - fp2-dev/platform/external/mesa3d - Gitiles

  /**************************************************************************
  *
  * 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_fragment_sampler( unsigned index, const struct pipe_sampler_state *state ) {
       cso_single_sampler($self->cso, index, state);
       cso_single_sampler_done($self->cso);
    }

    void set_vertex_sampler( unsigned index, const struct pipe_sampler_state *state ) {
       cso_single_vertex_sampler($self->cso, index, state);
       cso_single_vertex_sampler_done($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;
    }

    void set_geometry_shader( const struct pipe_shader_state *state ) {
       void *gs;

       if(!state) {
          cso_set_geometry_shader_handle($self->cso, NULL);
          return;
       }

       gs = $self->pipe->create_gs_state($self->pipe, state);
       if(!gs)
          return;

       if(cso_set_geometry_shader_handle($self->cso, gs) != PIPE_OK)
          return;

       cso_delete_geometry_shader($self->cso, $self->gs);
       $self->gs = gs;
    }

    /*
     * 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_fragment_sampler_texture(unsigned index,
                                      struct pipe_texture *texture) {
       if(!texture)
          texture = $self->default_texture;
       pipe_texture_reference(&$self->fragment_sampler_textures[index], texture);
       $self->pipe->set_fragment_sampler_textures($self->pipe,
                                                  PIPE_MAX_SAMPLERS,
                                                  $self->fragment_sampler_textures);
    }

    void set_vertex_sampler_texture(unsigned index,
                                    struct pipe_texture *texture) {
       if(!texture)
          texture = $self->default_texture;
       pipe_texture_reference(&$self->vertex_sampler_textures[index], texture);
       $self->pipe->set_vertex_sampler_textures($self->pipe,
                                                PIPE_MAX_VERTEX_SAMPLERS,
                                                $self->vertex_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);
    }

 };
	/**************************************************************************
	*
	* 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_fragment_sampler( unsigned index, const struct pipe_sampler_state *state ) {
	cso_single_sampler($self->cso, index, state);
	cso_single_sampler_done($self->cso);
	}

	void set_vertex_sampler( unsigned index, const struct pipe_sampler_state *state ) {
	cso_single_vertex_sampler($self->cso, index, state);
	cso_single_vertex_sampler_done($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;
	}

	void set_geometry_shader( const struct pipe_shader_state *state ) {
	void *gs;

	if(!state) {
	cso_set_geometry_shader_handle($self->cso, NULL);
	return;
	}

	gs = $self->pipe->create_gs_state($self->pipe, state);
	if(!gs)
	return;

	if(cso_set_geometry_shader_handle($self->cso, gs) != PIPE_OK)
	return;

	cso_delete_geometry_shader($self->cso, $self->gs);
	$self->gs = gs;
	}

	/*
	* 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_fragment_sampler_texture(unsigned index,
	struct pipe_texture *texture) {
	if(!texture)
	texture = $self->default_texture;
	pipe_texture_reference(&$self->fragment_sampler_textures[index], texture);
	$self->pipe->set_fragment_sampler_textures($self->pipe,
	PIPE_MAX_SAMPLERS,
	$self->fragment_sampler_textures);
	}

	void set_vertex_sampler_texture(unsigned index,
	struct pipe_texture *texture) {
	if(!texture)
	texture = $self->default_texture;
	pipe_texture_reference(&$self->vertex_sampler_textures[index], texture);
	$self->pipe->set_vertex_sampler_textures($self->pipe,
	PIPE_MAX_VERTEX_SAMPLERS,
	$self->vertex_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);
	}

	};