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Diffstat (limited to 'src/mesa/pipe/p_state.h')
| -rw-r--r-- | src/mesa/pipe/p_state.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h new file mode 100644 index 0000000000..150fa9fcad --- /dev/null +++ b/src/mesa/pipe/p_state.h @@ -0,0 +1,184 @@ +/************************************************************************** + * + * 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; +}; + + +#define SP_MAX_CLIP_PLANES 6 + +struct softpipe_clip_state { + GLfloat ucp[SP_MAX_CLIP_PLANES][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_depth_state +{ + GLuint enabled:1; /**< depth test enabled? */ + GLuint writemask:1; /**< allow depth buffer writes? */ + GLuint func:3; /**< depth test func */ + GLfloat clear; /**< Clear value in [0,1] (XXX correct place?) */ +}; + + +struct softpipe_blend_state { + GLuint blend_enable:1; + + GLuint rgb_func:3; + GLuint rgb_src_factor:5; + GLuint rgb_dst_factor:5; + + GLuint alpha_func:3; + GLuint alpha_src_factor:5; + GLuint alpha_dst_factor:5; + + GLuint logicop_enable:1; + GLuint logicop_func:4; +}; + +struct softpipe_blend_color { + GLfloat color[4]; +}; + + +struct softpipe_stencil_state { + GLuint front_enabled:1; + GLuint front_func:3; /**< SP_STENCIL_FUNC_x */ + GLuint front_fail_op:3; /**< SP_STENCIL_OP_x */ + GLuint front_zpass_op:3; /**< SP_STENCIL_OP_x */ + GLuint front_zfail_op:3; /**< SP_STENCIL_OP_x */ + GLuint back_enabled:1; + GLuint back_func:3; + GLuint back_fail_op:3; + GLuint back_zpass_op:3; + GLuint back_zfail_op:3; + GLubyte ref_value[2]; /**< [0] = front, [1] = back */ + GLubyte value_mask[2]; + GLubyte write_mask[2]; + GLubyte clear_value; +}; + + +/* This will change for hardware softpipes... + */ +struct softpipe_surface { + GLubyte *ptr; + GLint stride; + GLuint cpp; + GLuint format; +}; + + +/** + * Texture sampler state. + */ +struct softpipe_sampler_state +{ + GLuint wrap_s:3; /**< SP_TEX_WRAP_x */ + GLuint wrap_t:3; /**< SP_TEX_WRAP_x */ + GLuint wrap_r:3; /**< SP_TEX_WRAP_x */ + GLuint min_filter:3; /**< SP_TEX_FILTER_x */ + GLuint mag_filter:1; /**< SP_TEX_FILTER_LINEAR or _NEAREST */ + GLfloat min_lod; + GLfloat max_lod; + GLfloat lod_bias; +#if 0 /* need these? */ + GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */ + GLint MaxLevel; /**< max mipmap level, OpenGL 1.2 */ +#endif + GLfloat max_anisotropy; + GLuint compare:1; /**< shadow/depth compare enabled? */ + GLenum compare_mode:1; /**< SP_TEX_COMPARE_x */ + GLenum compare_func:3; /**< SP_DEPTH_FUNC_x */ + GLfloat shadow_ambient; /**< shadow test fail color/intensity */ +}; + +#endif |