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Diffstat (limited to 'src/gallium/drivers/failover/fo_state_emit.c')
-rw-r--r--src/gallium/drivers/failover/fo_state_emit.c117
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
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+++ 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;
+}