diff options
Diffstat (limited to 'src/gallium/drivers/failover/fo_state_emit.c')
| -rw-r--r-- | src/gallium/drivers/failover/fo_state_emit.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/gallium/drivers/failover/fo_state_emit.c b/src/gallium/drivers/failover/fo_state_emit.c new file mode 100644 index 0000000000..bd4fce9d20 --- /dev/null +++ b/src/gallium/drivers/failover/fo_state_emit.c @@ -0,0 +1,117 @@ +/************************************************************************** + * + * Copyright 2007 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "fo_context.h" + +/* This looks like a lot of work at the moment - we're keeping a + * duplicate copy of the state up-to-date. + * + * This can change in two ways: + * - With constant state objects we would only need to save a pointer, + * not the whole object. + * - By adding a callback in the state tracker to re-emit state. The + * state tracker knows the current state already and can re-emit it + * without additional complexity. + * + * This works as a proof-of-concept, but a final version will have + * lower overheads. + */ + + +/* Bring the software pipe uptodate with current state. + * + * With constant state objects we would probably just send all state + * to both rasterizers all the time??? + */ +void +failover_state_emit( struct failover_context *failover ) +{ + if (failover->dirty & FO_NEW_BLEND) + failover->sw->bind_blend_state( failover->sw, + failover->blend->sw_state ); + + if (failover->dirty & FO_NEW_BLEND_COLOR) + failover->sw->set_blend_color( failover->sw, &failover->blend_color ); + + if (failover->dirty & FO_NEW_CLIP) + failover->sw->set_clip_state( failover->sw, &failover->clip ); + + if (failover->dirty & FO_NEW_DEPTH_STENCIL) + failover->sw->bind_depth_stencil_alpha_state( failover->sw, + failover->depth_stencil->sw_state ); + + if (failover->dirty & FO_NEW_FRAMEBUFFER) + failover->sw->set_framebuffer_state( failover->sw, &failover->framebuffer ); + + if (failover->dirty & FO_NEW_FRAGMENT_SHADER) + failover->sw->bind_fs_state( failover->sw, + failover->fragment_shader->sw_state ); + + if (failover->dirty & FO_NEW_VERTEX_SHADER) + failover->sw->bind_vs_state( failover->sw, + failover->vertex_shader->sw_state ); + + if (failover->dirty & FO_NEW_STIPPLE) + failover->sw->set_polygon_stipple( failover->sw, &failover->poly_stipple ); + + if (failover->dirty & FO_NEW_RASTERIZER) + failover->sw->bind_rasterizer_state( failover->sw, + failover->rasterizer->sw_state ); + + if (failover->dirty & FO_NEW_SCISSOR) + failover->sw->set_scissor_state( failover->sw, &failover->scissor ); + + if (failover->dirty & FO_NEW_VIEWPORT) + failover->sw->set_viewport_state( failover->sw, &failover->viewport ); + + if (failover->dirty & FO_NEW_SAMPLER) { + failover->sw->bind_sampler_states( failover->sw, failover->num_samplers, + failover->sw_sampler_state ); + } + + if (failover->dirty & FO_NEW_TEXTURE) { + failover->sw->set_sampler_textures( failover->sw, failover->num_textures, + failover->texture ); + } + + if (failover->dirty & FO_NEW_VERTEX_BUFFER) { + failover->sw->set_vertex_buffers( failover->sw, + failover->num_vertex_buffers, + failover->vertex_buffers ); + } + + if (failover->dirty & FO_NEW_VERTEX_ELEMENT) { + failover->sw->set_vertex_elements( failover->sw, + failover->num_vertex_elements, + failover->vertex_elements ); + } + + failover->dirty = 0; +} |