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third_party_mesa3d/src/gallium/state_trackers/python/p_context.i

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OpenEdge ABL

/**************************************************************************
*
* 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;
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;
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,
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) {
if(!texture)
texture = $self->default_texture;
pipe_texture_reference(&$self->sampler_textures[index], texture);
$self->pipe->set_sampler_textures($self->pipe,
PIPE_MAX_SAMPLERS,
$self->sampler_textures);
}
void set_vertex_buffer(unsigned index,
const struct pipe_vertex_buffer *buffer) {
memcpy(&$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 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_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
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 surface_clear(struct pipe_surface *surface, unsigned value = 0) {
$self->pipe->clear($self->pipe, surface, value);
}
};