mirror of
https://github.com/KolibriOS/kolibrios.git
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286 lines
9.7 KiB
C
286 lines
9.7 KiB
C
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/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* \brief Public interface into the drawing module.
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*/
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/* Authors: Keith Whitwell <keith@tungstengraphics.com>
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*/
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#ifndef DRAW_CONTEXT_H
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#define DRAW_CONTEXT_H
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#include "pipe/p_state.h"
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#include "tgsi/tgsi_exec.h"
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struct pipe_context;
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struct draw_context;
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struct draw_stage;
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struct draw_vertex_shader;
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struct draw_geometry_shader;
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struct draw_fragment_shader;
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struct tgsi_sampler;
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/*
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* structure to contain driver internal information
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* for stream out support. mapping stores the pointer
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* to the buffer contents, and internal offset stores
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* stores an internal counter to how much of the stream
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* out buffer is used (in bytes).
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*/
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struct draw_so_target {
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struct pipe_stream_output_target target;
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void *mapping;
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int internal_offset;
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int emitted_vertices;
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};
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struct draw_context *draw_create( struct pipe_context *pipe );
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struct draw_context *draw_create_no_llvm(struct pipe_context *pipe);
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void draw_destroy( struct draw_context *draw );
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void draw_flush(struct draw_context *draw);
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void draw_set_viewport_states( struct draw_context *draw,
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unsigned start_slot,
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unsigned num_viewports,
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const struct pipe_viewport_state *viewports );
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void draw_set_clip_state( struct draw_context *pipe,
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const struct pipe_clip_state *clip );
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/**
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* Sets the rasterization state used by the draw module.
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* The rast_handle is used to pass the driver specific representation
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* of the rasterization state. It's going to be used when the
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* draw module sets the state back on the driver itself using the
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* pipe::bind_rasterizer_state method.
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*
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* NOTE: if you're calling this function from within the pipe's
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* bind_rasterizer_state you should always call it before binding
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* the actual state - that's because the draw module can try to
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* bind its own rasterizer state which would reset your newly
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* set state. i.e. always do
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* draw_set_rasterizer_state(driver->draw, state->pipe_state, state);
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* driver->state.raster = state;
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*/
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void draw_set_rasterizer_state( struct draw_context *draw,
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const struct pipe_rasterizer_state *raster,
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void *rast_handle );
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void draw_set_rasterize_stage( struct draw_context *draw,
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struct draw_stage *stage );
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void draw_wide_point_threshold(struct draw_context *draw, float threshold);
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void draw_wide_point_sprites(struct draw_context *draw, boolean draw_sprite);
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void draw_wide_line_threshold(struct draw_context *draw, float threshold);
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void draw_enable_line_stipple(struct draw_context *draw, boolean enable);
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void draw_enable_point_sprites(struct draw_context *draw, boolean enable);
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void draw_set_mrd(struct draw_context *draw, double mrd);
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boolean
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draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe);
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boolean
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draw_install_aapoint_stage(struct draw_context *draw, struct pipe_context *pipe);
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boolean
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draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe);
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struct tgsi_shader_info *
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draw_get_shader_info(const struct draw_context *draw);
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int
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draw_find_shader_output(const struct draw_context *draw,
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uint semantic_name, uint semantic_index);
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uint
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draw_num_shader_outputs(const struct draw_context *draw);
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void
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draw_texture_sampler(struct draw_context *draw,
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uint shader_type,
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struct tgsi_sampler *sampler);
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void
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draw_set_sampler_views(struct draw_context *draw,
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unsigned shader_stage,
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struct pipe_sampler_view **views,
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unsigned num);
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void
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draw_set_samplers(struct draw_context *draw,
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unsigned shader_stage,
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struct pipe_sampler_state **samplers,
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unsigned num);
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void
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draw_set_mapped_texture(struct draw_context *draw,
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unsigned shader_stage,
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unsigned sview_idx,
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uint32_t width, uint32_t height, uint32_t depth,
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uint32_t first_level, uint32_t last_level,
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const void *base,
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uint32_t row_stride[PIPE_MAX_TEXTURE_LEVELS],
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uint32_t img_stride[PIPE_MAX_TEXTURE_LEVELS],
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uint32_t mip_offsets[PIPE_MAX_TEXTURE_LEVELS]);
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/*
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* Vertex shader functions
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*/
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struct draw_vertex_shader *
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draw_create_vertex_shader(struct draw_context *draw,
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const struct pipe_shader_state *shader);
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void draw_bind_vertex_shader(struct draw_context *draw,
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struct draw_vertex_shader *dvs);
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void draw_delete_vertex_shader(struct draw_context *draw,
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struct draw_vertex_shader *dvs);
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void draw_vs_attach_so(struct draw_vertex_shader *dvs,
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const struct pipe_stream_output_info *info);
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void draw_vs_reset_so(struct draw_vertex_shader *dvs);
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/*
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* Fragment shader functions
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*/
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struct draw_fragment_shader *
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draw_create_fragment_shader(struct draw_context *draw,
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const struct pipe_shader_state *shader);
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void draw_bind_fragment_shader(struct draw_context *draw,
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struct draw_fragment_shader *dvs);
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void draw_delete_fragment_shader(struct draw_context *draw,
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struct draw_fragment_shader *dvs);
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/*
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* Geometry shader functions
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*/
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struct draw_geometry_shader *
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draw_create_geometry_shader(struct draw_context *draw,
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const struct pipe_shader_state *shader);
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void draw_bind_geometry_shader(struct draw_context *draw,
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struct draw_geometry_shader *dvs);
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void draw_delete_geometry_shader(struct draw_context *draw,
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struct draw_geometry_shader *dvs);
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/*
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* Vertex data functions
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*/
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void draw_set_vertex_buffers(struct draw_context *draw,
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unsigned start_slot, unsigned count,
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const struct pipe_vertex_buffer *buffers);
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void draw_set_vertex_elements(struct draw_context *draw,
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unsigned count,
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const struct pipe_vertex_element *elements);
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void draw_set_indexes(struct draw_context *draw,
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const void *elements, unsigned elem_size,
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unsigned available_space);
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void draw_set_mapped_vertex_buffer(struct draw_context *draw,
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unsigned attr, const void *buffer,
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size_t size);
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void
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draw_set_mapped_constant_buffer(struct draw_context *draw,
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unsigned shader_type,
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unsigned slot,
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const void *buffer,
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unsigned size);
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void
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draw_set_mapped_so_targets(struct draw_context *draw,
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int num_targets,
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struct draw_so_target *targets[PIPE_MAX_SO_BUFFERS]);
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/***********************************************************************
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* draw_pt.c
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*/
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void draw_vbo(struct draw_context *draw,
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const struct pipe_draw_info *info);
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/*******************************************************************************
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* Driver backend interface
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*/
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struct vbuf_render;
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void draw_set_render( struct draw_context *draw,
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struct vbuf_render *render );
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void draw_set_driver_clipping( struct draw_context *draw,
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boolean bypass_clip_xy,
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boolean bypass_clip_z,
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boolean guard_band_xy);
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void draw_set_force_passthrough( struct draw_context *draw,
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boolean enable );
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/*******************************************************************************
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* Draw statistics
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*/
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void draw_collect_pipeline_statistics(struct draw_context *draw,
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boolean enable);
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/*******************************************************************************
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* Draw pipeline
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*/
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boolean draw_need_pipeline(const struct draw_context *draw,
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const struct pipe_rasterizer_state *rasterizer,
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unsigned prim );
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int
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draw_get_shader_param(unsigned shader, enum pipe_shader_cap param);
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int
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draw_get_shader_param_no_llvm(unsigned shader, enum pipe_shader_cap param);
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#ifdef HAVE_LLVM
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boolean
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draw_get_option_use_llvm(void);
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#endif
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#endif /* DRAW_CONTEXT_H */
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