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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);
$self->vs = vs;
}
void set_geometry_shader( const struct pipe_shader_state *state ) {
void *gs;
if(!state) {
cso_set_geometry_shader_handle($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_sampler_texture(unsigned index,
struct pipe_texture *texture) {
if(!texture)
texture = $self->default_texture;
pipe_texture_reference(&$self->sampler_textures[index], texture);
$self->pipe->set_fragment_sampler_textures($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);
}
};
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