From 89d8577fb3036547ef0b47498cc8dc5c77f886e0 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Mon, 14 Dec 2009 17:11:46 -0500 Subject: gallium: add geometry shader support to gallium --- src/gallium/auxiliary/draw/draw_gs.h | 76 ++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 src/gallium/auxiliary/draw/draw_gs.h (limited to 'src/gallium/auxiliary/draw/draw_gs.h') diff --git a/src/gallium/auxiliary/draw/draw_gs.h b/src/gallium/auxiliary/draw/draw_gs.h new file mode 100644 index 0000000000..d6a97d9c4e --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_gs.h @@ -0,0 +1,76 @@ +/************************************************************************** + * + * Copyright 2009 VMWare Inc. + * 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. + * + **************************************************************************/ + +#ifndef DRAW_GS_H +#define DRAW_GS_H + +#include "draw_context.h" +#include "draw_private.h" + + +#define MAX_TGSI_PRIMITIVES 4 + +struct draw_context; + +/** + * Private version of the compiled geometry shader + */ +struct draw_geometry_shader { + struct draw_context *draw; + + struct tgsi_exec_machine *machine; + + /* This member will disappear shortly:*/ + struct pipe_shader_state state; + + struct tgsi_shader_info info; + unsigned position_output; + + unsigned max_output_vertices; + unsigned input_primitive; + unsigned output_primitive; + + /* Extracted from shader: + */ + const float (*immediates)[4]; +}; + +void draw_geometry_shader_run(struct draw_geometry_shader *shader, + const float (*input)[4], + float (*output)[4], + const float (*constants)[4], + unsigned count, + unsigned input_stride, + unsigned output_stride); + +void draw_geometry_shader_prepare(struct draw_geometry_shader *shader, + struct draw_context *draw); + +void draw_geometry_shader_delete(struct draw_geometry_shader *shader); + + +#endif -- cgit v1.2.3