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Diffstat (limited to 'src/mesa/pipe/p_state.h')
| -rw-r--r-- | src/mesa/pipe/p_state.h | 322 |
1 files changed, 0 insertions, 322 deletions
diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h deleted file mode 100644 index 4d3a6b2f41..0000000000 --- a/src/mesa/pipe/p_state.h +++ /dev/null @@ -1,322 +0,0 @@ -/************************************************************************** - * - * 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. - * - **************************************************************************/ - - -/** - * Abstract graphics pipe state objects. - * - * Basic notes: - * 1. Want compact representations, so we use bitfields. - * 2. Put bitfields before other (GLfloat) fields. - */ - - -#ifndef PIPE_STATE_H -#define PIPE_STATE_H - -#include "p_compiler.h" -#include "p_defines.h" -#include "p_format.h" - -/** - * Implementation limits - */ -#define PIPE_MAX_SAMPLERS 8 -#define PIPE_MAX_CLIP_PLANES 6 -#define PIPE_MAX_CONSTANT 32 -#define PIPE_ATTRIB_MAX 32 -#define PIPE_MAX_COLOR_BUFS 8 -#define PIPE_MAX_TEXTURE_LEVELS 16 -#define PIPE_MAX_FEEDBACK_ATTRIBS 16 -#define PIPE_MAX_SHADER_INPUTS 16 -#define PIPE_MAX_SHADER_OUTPUTS 16 - - -/* fwd decls */ -struct pipe_surface; -struct pipe_winsys; - - - -/** - * The driver will certainly subclass this to include actual memory - * management information. - */ -struct pipe_buffer { - unsigned alignment; - unsigned usage; - unsigned size; - - /** Reference count */ - unsigned refcount; -}; - - - - -/** - * Primitive (point/line/tri) rasterization info - */ -struct pipe_rasterizer_state -{ - unsigned flatshade:1; - unsigned light_twoside:1; - unsigned front_winding:2; /**< PIPE_WINDING_x */ - unsigned cull_mode:2; /**< PIPE_WINDING_x */ - unsigned fill_cw:2; /**< PIPE_POLYGON_MODE_x */ - unsigned fill_ccw:2; /**< PIPE_POLYGON_MODE_x */ - unsigned offset_cw:1; - unsigned offset_ccw:1; - unsigned scissor:1; - unsigned poly_smooth:1; - unsigned poly_stipple_enable:1; - unsigned point_smooth:1; - unsigned point_sprite:1; - unsigned point_size_per_vertex:1; /**< size computed in vertex shader */ - unsigned multisample:1; /* XXX maybe more ms state in future */ - unsigned line_smooth:1; - unsigned line_stipple_enable:1; - unsigned line_stipple_factor:8; /**< [1..256] actually */ - unsigned line_stipple_pattern:16; - unsigned bypass_clipping:1; - unsigned origin_lower_left:1; /**< Is (0,0) the lower-left corner? */ - - float line_width; - float point_size; /**< used when no per-vertex size */ - float offset_units; - float offset_scale; - ubyte sprite_coord_mode[PIPE_MAX_SHADER_OUTPUTS]; /**< PIPE_SPRITE_COORD_ */ -}; - - -struct pipe_poly_stipple { - unsigned stipple[32]; -}; - - -struct pipe_viewport_state { - float scale[4]; - float translate[4]; -}; - - -struct pipe_scissor_state { - unsigned minx:16; - unsigned miny:16; - unsigned maxx:16; - unsigned maxy:16; -}; - - -struct pipe_clip_state { - float ucp[PIPE_MAX_CLIP_PLANES][4]; - unsigned nr; -}; - - -/** - * Constants for vertex/fragment shaders - */ -struct pipe_constant_buffer { - struct pipe_buffer *buffer; - unsigned size; /** in bytes */ -}; - - -struct pipe_shader_state { - const struct tgsi_token *tokens; - ubyte num_inputs; - ubyte num_outputs; - ubyte input_map[PIPE_MAX_SHADER_INPUTS]; /* XXX this may be temporary */ - ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; /**< TGSI_SEMANTIC_x */ - ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; - ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; /**< TGSI_SEMANTIC_x */ - ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; -}; - - -struct pipe_depth_stencil_alpha_state -{ - struct { - unsigned enabled:1; /**< depth test enabled? */ - unsigned writemask:1; /**< allow depth buffer writes? */ - unsigned func:3; /**< depth test func (PIPE_FUNC_x) */ - unsigned occlusion_count:1; /**< do occlusion counting? */ - } depth; - struct { - unsigned enabled:1; - unsigned func:3; /**< PIPE_FUNC_x */ - unsigned fail_op:3; /**< PIPE_STENCIL_OP_x */ - unsigned zpass_op:3; /**< PIPE_STENCIL_OP_x */ - unsigned zfail_op:3; /**< PIPE_STENCIL_OP_x */ - ubyte ref_value; - ubyte value_mask; - ubyte write_mask; - } stencil[2]; /**< [0] = front, [1] = back */ - struct { - unsigned enabled:1; - unsigned func:3; /**< PIPE_FUNC_x */ - float ref; /**< reference value */ - } alpha; -}; - - -struct pipe_blend_state { - unsigned blend_enable:1; - - unsigned rgb_func:3; /**< PIPE_BLEND_x */ - unsigned rgb_src_factor:5; /**< PIPE_BLENDFACTOR_x */ - unsigned rgb_dst_factor:5; /**< PIPE_BLENDFACTOR_x */ - - unsigned alpha_func:3; /**< PIPE_BLEND_x */ - unsigned alpha_src_factor:5; /**< PIPE_BLENDFACTOR_x */ - unsigned alpha_dst_factor:5; /**< PIPE_BLENDFACTOR_x */ - - unsigned logicop_enable:1; - unsigned logicop_func:4; /**< PIPE_LOGICOP_x */ - - unsigned colormask:4; /**< bitmask of PIPE_MASK_R/G/B/A */ - unsigned dither:1; -}; - - -struct pipe_blend_color { - float color[4]; -}; - - -struct pipe_framebuffer_state -{ - /** multiple colorbuffers for multiple render targets */ - unsigned num_cbufs; - struct pipe_surface *cbufs[PIPE_MAX_COLOR_BUFS]; - - struct pipe_surface *zsbuf; /**< Z/stencil buffer */ -}; - - -/** - * Texture sampler state. - */ -struct pipe_sampler_state -{ - unsigned wrap_s:3; /**< PIPE_TEX_WRAP_x */ - unsigned wrap_t:3; /**< PIPE_TEX_WRAP_x */ - unsigned wrap_r:3; /**< PIPE_TEX_WRAP_x */ - unsigned min_img_filter:2; /**< PIPE_TEX_FILTER_x */ - unsigned min_mip_filter:2; /**< PIPE_TEX_MIPFILTER_x */ - unsigned mag_img_filter:2; /**< PIPE_TEX_FILTER_x */ - unsigned compare:1; /**< shadow/depth compare enabled? */ - unsigned compare_mode:1; /**< PIPE_TEX_COMPARE_x */ - unsigned compare_func:3; /**< PIPE_FUNC_x */ - unsigned normalized_coords:1; /**< Are coords normalized to [0,1]? */ - float shadow_ambient; /**< shadow test fail color/intensity */ - float lod_bias; /**< LOD/lambda bias */ - float min_lod, max_lod; /**< LOD clamp range, after bias */ - float border_color[4]; - float max_anisotropy; -}; - - -/** - * 2D surface. This is basically a view into a memory buffer. - * May be a renderbuffer, texture mipmap level, etc. - */ -struct pipe_surface -{ - struct pipe_buffer *buffer; /**< driver private buffer handle */ - enum pipe_format format; /**< PIPE_FORMAT_x */ - unsigned status; /**< PIPE_SURFACE_STATUS_x */ - unsigned clear_value; /**< may be temporary */ - unsigned cpp; /**< bytes per pixel */ - unsigned width, height; - unsigned pitch; /**< in pixels */ - unsigned offset; /**< offset from start of buffer, in bytes */ - unsigned refcount; - struct pipe_winsys *winsys; /**< winsys which owns/created the surface */ -}; - - -/** - * Texture. Represents one or several texture images on one or several mipmap - * levels. - */ -struct pipe_texture -{ - /* Effectively the key: - */ - enum pipe_texture_target target; /**< PIPE_TEXTURE_x */ - enum pipe_format format; /**< PIPE_FORMAT_x */ - - unsigned last_level; /**< Index of last mipmap level present/defined */ - - unsigned width[PIPE_MAX_TEXTURE_LEVELS]; - unsigned height[PIPE_MAX_TEXTURE_LEVELS]; - unsigned depth[PIPE_MAX_TEXTURE_LEVELS]; - unsigned cpp; - - unsigned compressed:1; - - /* These are also refcounted: - */ - unsigned refcount; -}; - - -/** - * A vertex buffer. Typically, all the vertex data/attributes for - * drawing something will be in one buffer. But it's also possible, for - * example, to put colors in one buffer and texcoords in another. - */ -struct pipe_vertex_buffer -{ - unsigned pitch:11; /**< stride to same attrib in next vertex, in bytes */ - unsigned max_index; /**< number of vertices in this buffer */ - unsigned buffer_offset; /**< offset to start of data in buffer, in bytes */ - struct pipe_buffer *buffer; /**< the actual buffer */ -}; - - -/** - * Information to describe a vertex attribute (position, color, etc) - */ -struct pipe_vertex_element -{ - /** Offset of this attribute, in bytes, from the start of the vertex */ - unsigned src_offset:11; - - /** Which vertex_buffer (as given to pipe->set_vertex_buffer()) does - * this attribute live in? - */ - unsigned vertex_buffer_index:5; - unsigned nr_components:3; - - enum pipe_format src_format; /**< PIPE_FORMAT_* */ -}; - - -#endif |