diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2007-05-24 10:41:34 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2007-05-24 10:41:34 +0100 |
commit | 8e4a95a93d15a6707a29454cd47e10b08314cda2 (patch) | |
tree | 91d8156591f89cd8e345250342719c515efb31fa /src/mesa/softpipe/sp_state.h | |
parent | 572dc0864e044776618b0b9e8b808b9584cd1ef6 (diff) |
First version of the softpipe rasterizer.
This will flesh out to hopefully acheive 3 things:
- New software rasterizer for mesa
- New driver model for mesa & dri with much smaller drivers
- The basis for the cell driver.
It's got a long way to go yet, but will at least run trivial/tri.c.
Diffstat (limited to 'src/mesa/softpipe/sp_state.h')
-rw-r--r-- | src/mesa/softpipe/sp_state.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/mesa/softpipe/sp_state.h b/src/mesa/softpipe/sp_state.h new file mode 100644 index 0000000000..d69f9cd164 --- /dev/null +++ b/src/mesa/softpipe/sp_state.h @@ -0,0 +1,132 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +#ifndef SP_STATE_H +#define SP_STATE_H + +#include "mtypes.h" +#include "vf/vf.h" + +#define WINDING_NONE 0 +#define WINDING_CW 1 +#define WINDING_CCW 2 +#define WINDING_BOTH (WINDING_CW | WINDING_CCW) + +#define FILL_POINT 1 +#define FILL_LINE 2 +#define FILL_TRI 3 + +struct softpipe_setup_state { + GLuint flatshade:1; + GLuint light_twoside:1; + + GLuint front_winding:2; + + GLuint cull_mode:2; + + GLuint fill_cw:2; + GLuint fill_ccw:2; + + GLuint offset_cw:1; + GLuint offset_ccw:1; + + GLuint scissor:1; + GLuint poly_stipple:1; + + GLuint pad:18; + + GLfloat offset_units; + GLfloat offset_scale; +}; + +struct softpipe_poly_stipple { + GLuint stipple[32]; +}; + + +struct softpipe_viewport { + GLfloat scale[4]; + GLfloat translate[4]; +}; + +struct softpipe_scissor_rect { + GLshort minx; + GLshort miny; + GLshort maxx; + GLshort maxy; +}; + + +struct softpipe_clip_state { + GLfloat ucp[6][4]; + GLuint nr; +}; + +struct softpipe_fs_state { + struct gl_fragment_program *fp; +}; + +#define SP_MAX_CONSTANT 32 + +struct softpipe_constant_buffer { + GLfloat constant[SP_MAX_CONSTANT][4]; + GLuint nr_constants; +}; + + +struct softpipe_blend_state { + GLuint blend_enable:1; + GLuint ia_blend_enable:1; + + GLuint ia_dest_blend_factor:5; + GLuint ia_src_blend_factor:5; + GLuint ia_blend_function:3; + + GLuint dest_blend_factor:5; + GLuint src_blend_factor:5; + GLuint blend_function:3; + + GLuint logicop_enable:1; + GLuint logicop_func:4; +}; + +struct softpipe_blend_color { + GLfloat color[4]; +}; + + +/* This will change for hardware softpipes... + */ +struct softpipe_surface { + GLubyte *ptr; + GLint stride; + GLuint cpp; + GLuint format; +}; + + +#endif |