struct pipe_context *svga_context_create( struct pipe_screen *screen,
void *priv )
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_context *svga = NULL;
enum pipe_error ret;
svga = CALLOC_STRUCT(svga_context);
if (svga == NULL)
goto no_svga;
svga->pipe.screen = screen;
svga->pipe.priv = priv;
svga->pipe.destroy = svga_destroy;
svga->pipe.clear = svga_clear;
svga->swc = svgascreen->sws->context_create(svgascreen->sws);
if(!svga->swc)
goto no_swc;
svga_init_resource_functions(svga);
svga_init_blend_functions(svga);
svga_init_blit_functions(svga);
svga_init_depth_stencil_functions(svga);
svga_init_draw_functions(svga);
svga_init_flush_functions(svga);
svga_init_misc_functions(svga);
svga_init_rasterizer_functions(svga);
svga_init_sampler_functions(svga);
svga_init_fs_functions(svga);
svga_init_vs_functions(svga);
svga_init_vertex_functions(svga);
svga_init_constbuffer_functions(svga);
svga_init_query_functions(svga);
svga_init_surface_functions(svga);
/* debug */
svga->debug.no_swtnl = debug_get_option_no_swtnl();
svga->debug.force_swtnl = debug_get_option_force_swtnl();
svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
svga->debug.disable_shader = debug_get_option_disable_shader();
svga->debug.no_line_width = debug_get_option_no_line_width();
svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
svga->fs_bm = util_bitmask_create();
if (svga->fs_bm == NULL)
goto no_fs_bm;
svga->vs_bm = util_bitmask_create();
if (svga->vs_bm == NULL)
goto no_vs_bm;
svga->upload_ib = u_upload_create( &svga->pipe,
32 * 1024,
16,
PIPE_BIND_INDEX_BUFFER );
if (svga->upload_ib == NULL)
goto no_upload_ib;
svga->upload_vb = u_upload_create( &svga->pipe,
128 * 1024,
16,
PIPE_BIND_VERTEX_BUFFER );
if (svga->upload_vb == NULL)
goto no_upload_vb;
svga->hwtnl = svga_hwtnl_create( svga,
svga->upload_ib,
svga->swc );
if (svga->hwtnl == NULL)
goto no_hwtnl;
if (!svga_init_swtnl(svga))
goto no_swtnl;
ret = svga_emit_initial_state( svga );
if (ret != PIPE_OK)
goto no_state;
/* Avoid shortcircuiting state with initial value of zero.
*/
memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
memset(&svga->state.hw_clear.framebuffer, 0x0,
sizeof(svga->state.hw_clear.framebuffer));
memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
svga->state.hw_draw.num_views = 0;
svga->dirty = ~0;
LIST_INITHEAD(&svga->dirty_buffers);
return &svga->pipe;
no_state:
svga_destroy_swtnl(svga);
no_swtnl:
svga_hwtnl_destroy( svga->hwtnl );
no_hwtnl:
u_upload_destroy( svga->upload_vb );
no_upload_vb:
u_upload_destroy( svga->upload_ib );
no_upload_ib:
util_bitmask_destroy( svga->vs_bm );
no_vs_bm:
util_bitmask_destroy( svga->fs_bm );
no_fs_bm:
svga->swc->destroy(svga->swc);
no_swc:
FREE(svga);
no_svga:
return NULL;
}
struct pipe_context *svga_context_create(struct pipe_screen *screen,
void *priv, unsigned flags)
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_context *svga = NULL;
enum pipe_error ret;
svga = CALLOC_STRUCT(svga_context);
if (!svga)
goto cleanup;
LIST_INITHEAD(&svga->dirty_buffers);
svga->pipe.screen = screen;
svga->pipe.priv = priv;
svga->pipe.destroy = svga_destroy;
svga->pipe.clear = svga_clear;
svga->swc = svgascreen->sws->context_create(svgascreen->sws);
if (!svga->swc)
goto cleanup;
svga_init_resource_functions(svga);
svga_init_blend_functions(svga);
svga_init_blit_functions(svga);
svga_init_depth_stencil_functions(svga);
svga_init_draw_functions(svga);
svga_init_flush_functions(svga);
svga_init_misc_functions(svga);
svga_init_rasterizer_functions(svga);
svga_init_sampler_functions(svga);
svga_init_fs_functions(svga);
svga_init_vs_functions(svga);
svga_init_gs_functions(svga);
svga_init_vertex_functions(svga);
svga_init_constbuffer_functions(svga);
svga_init_query_functions(svga);
svga_init_surface_functions(svga);
svga_init_stream_output_functions(svga);
/* init misc state */
svga->curr.sample_mask = ~0;
/* debug */
svga->debug.no_swtnl = debug_get_option_no_swtnl();
svga->debug.force_swtnl = debug_get_option_force_swtnl();
svga->debug.use_min_mipmap = debug_get_option_use_min_mipmap();
svga->debug.disable_shader = debug_get_option_disable_shader();
svga->debug.no_line_width = debug_get_option_no_line_width();
svga->debug.force_hw_line_stipple = debug_get_option_force_hw_line_stipple();
if (!(svga->blend_object_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->ds_object_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->input_element_object_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->rast_object_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->sampler_object_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->sampler_view_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->shader_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->surface_view_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->stream_output_id_bm = util_bitmask_create()))
goto cleanup;
if (!(svga->query_id_bm = util_bitmask_create()))
goto cleanup;
svga->hwtnl = svga_hwtnl_create(svga);
if (svga->hwtnl == NULL)
goto cleanup;
if (!svga_init_swtnl(svga))
goto cleanup;
ret = svga_emit_initial_state( svga );
if (ret != PIPE_OK)
goto cleanup;
svga->const0_upload = u_upload_create(&svga->pipe,
CONST0_UPLOAD_DEFAULT_SIZE,
CONST0_UPLOAD_ALIGNMENT,
PIPE_BIND_CONSTANT_BUFFER);
if (!svga->const0_upload)
goto cleanup;
/* Avoid shortcircuiting state with initial value of zero.
*/
memset(&svga->state.hw_clear, 0xcd, sizeof(svga->state.hw_clear));
memset(&svga->state.hw_clear.framebuffer, 0x0,
sizeof(svga->state.hw_clear.framebuffer));
memset(&svga->state.hw_draw, 0xcd, sizeof(svga->state.hw_draw));
memset(&svga->state.hw_draw.views, 0x0, sizeof(svga->state.hw_draw.views));
memset(&svga->state.hw_draw.num_sampler_views, 0,
sizeof(svga->state.hw_draw.num_sampler_views));
svga->state.hw_draw.num_views = 0;
/* Initialize the shader pointers */
svga->state.hw_draw.vs = NULL;
svga->state.hw_draw.gs = NULL;
svga->state.hw_draw.fs = NULL;
memset(svga->state.hw_draw.constbuf, 0,
sizeof(svga->state.hw_draw.constbuf));
memset(svga->state.hw_draw.default_constbuf_size, 0,
sizeof(svga->state.hw_draw.default_constbuf_size));
memset(svga->state.hw_draw.enabled_constbufs, 0,
sizeof(svga->state.hw_draw.enabled_constbufs));
/* Create a no-operation blend state which we will bind whenever the
* requested blend state is impossible (e.g. due to having an integer
* render target attached).
*
* XXX: We will probably actually need 16 of these, one for each possible
* RGBA color mask (4 bits). Then, we would bind the one with a color mask
* matching the blend state it is replacing.
*/
{
struct pipe_blend_state noop_tmpl = {0};
unsigned i;
for (i = 0; i < PIPE_MAX_COLOR_BUFS; ++i) {
// Set the color mask to all-ones. Later this may change.
noop_tmpl.rt[i].colormask = PIPE_MASK_RGBA;
}
svga->noop_blend = svga->pipe.create_blend_state(&svga->pipe, &noop_tmpl);
}
svga->dirty = ~0;
return &svga->pipe;
cleanup:
svga_destroy_swtnl(svga);
if (svga->const0_upload)
u_upload_destroy(svga->const0_upload);
if (svga->hwtnl)
svga_hwtnl_destroy(svga->hwtnl);
if (svga->swc)
svga->swc->destroy(svga->swc);
util_bitmask_destroy(svga->blend_object_id_bm);
util_bitmask_destroy(svga->ds_object_id_bm);
util_bitmask_destroy(svga->input_element_object_id_bm);
util_bitmask_destroy(svga->rast_object_id_bm);
util_bitmask_destroy(svga->sampler_object_id_bm);
util_bitmask_destroy(svga->sampler_view_id_bm);
util_bitmask_destroy(svga->shader_id_bm);
util_bitmask_destroy(svga->surface_view_id_bm);
util_bitmask_destroy(svga->stream_output_id_bm);
util_bitmask_destroy(svga->query_id_bm);
FREE(svga);
return NULL;
}