| |
| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| /** |
| * \brief Public interface into the drawing module. |
| */ |
| |
| /* Authors: Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #ifndef DRAW_CONTEXT_H |
| #define DRAW_CONTEXT_H |
| |
| |
| #include "pipe/p_state.h" |
| |
| struct pipe_context; |
| struct draw_context; |
| struct draw_stage; |
| struct draw_vertex_shader; |
| struct draw_geometry_shader; |
| struct tgsi_sampler; |
| |
| |
| struct draw_context *draw_create( void ); |
| |
| void draw_destroy( struct draw_context *draw ); |
| |
| void draw_set_viewport_state( struct draw_context *draw, |
| const struct pipe_viewport_state *viewport ); |
| |
| void draw_set_clip_state( struct draw_context *pipe, |
| const struct pipe_clip_state *clip ); |
| |
| void draw_set_rasterizer_state( struct draw_context *draw, |
| const struct pipe_rasterizer_state *raster ); |
| |
| void draw_set_rasterize_stage( struct draw_context *draw, |
| struct draw_stage *stage ); |
| |
| void draw_wide_point_threshold(struct draw_context *draw, float threshold); |
| |
| void draw_wide_line_threshold(struct draw_context *draw, float threshold); |
| |
| void draw_enable_line_stipple(struct draw_context *draw, boolean enable); |
| |
| void draw_enable_point_sprites(struct draw_context *draw, boolean enable); |
| |
| void draw_set_mrd(struct draw_context *draw, double mrd); |
| |
| boolean |
| draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe); |
| |
| boolean |
| draw_install_aapoint_stage(struct draw_context *draw, struct pipe_context *pipe); |
| |
| boolean |
| draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe); |
| |
| |
| int |
| draw_find_shader_output(const struct draw_context *draw, |
| uint semantic_name, uint semantic_index); |
| |
| uint |
| draw_num_shader_outputs(const struct draw_context *draw); |
| |
| |
| void |
| draw_texture_samplers(struct draw_context *draw, |
| uint num_samplers, |
| struct tgsi_sampler **samplers); |
| |
| |
| |
| /* |
| * Vertex shader functions |
| */ |
| |
| struct draw_vertex_shader * |
| draw_create_vertex_shader(struct draw_context *draw, |
| const struct pipe_shader_state *shader); |
| void draw_bind_vertex_shader(struct draw_context *draw, |
| struct draw_vertex_shader *dvs); |
| void draw_delete_vertex_shader(struct draw_context *draw, |
| struct draw_vertex_shader *dvs); |
| |
| |
| /* |
| * Geometry shader functions |
| */ |
| struct draw_geometry_shader * |
| draw_create_geometry_shader(struct draw_context *draw, |
| const struct pipe_shader_state *shader); |
| void draw_bind_geometry_shader(struct draw_context *draw, |
| struct draw_geometry_shader *dvs); |
| void draw_delete_geometry_shader(struct draw_context *draw, |
| struct draw_geometry_shader *dvs); |
| |
| |
| /* |
| * Vertex data functions |
| */ |
| |
| void draw_set_vertex_buffers(struct draw_context *draw, |
| unsigned count, |
| const struct pipe_vertex_buffer *buffers); |
| |
| void draw_set_vertex_elements(struct draw_context *draw, |
| unsigned count, |
| const struct pipe_vertex_element *elements); |
| |
| void |
| draw_set_mapped_element_buffer_range( struct draw_context *draw, |
| unsigned eltSize, |
| unsigned min_index, |
| unsigned max_index, |
| const void *elements ); |
| |
| void draw_set_mapped_element_buffer( struct draw_context *draw, |
| unsigned eltSize, |
| const void *elements ); |
| |
| void draw_set_mapped_vertex_buffer(struct draw_context *draw, |
| unsigned attr, const void *buffer); |
| |
| void |
| draw_set_mapped_constant_buffer(struct draw_context *draw, |
| unsigned shader_type, |
| unsigned slot, |
| const void *buffer, |
| unsigned size); |
| |
| |
| /*********************************************************************** |
| * draw_prim.c |
| */ |
| |
| void draw_arrays(struct draw_context *draw, unsigned prim, |
| unsigned start, unsigned count); |
| |
| void |
| draw_arrays_instanced(struct draw_context *draw, |
| unsigned mode, |
| unsigned start, |
| unsigned count, |
| unsigned startInstance, |
| unsigned instanceCount); |
| |
| void draw_flush(struct draw_context *draw); |
| |
| |
| /******************************************************************************* |
| * Driver backend interface |
| */ |
| struct vbuf_render; |
| void draw_set_render( struct draw_context *draw, |
| struct vbuf_render *render ); |
| |
| void draw_set_driver_clipping( struct draw_context *draw, |
| boolean bypass_clipping ); |
| |
| void draw_set_force_passthrough( struct draw_context *draw, |
| boolean enable ); |
| |
| /******************************************************************************* |
| * Draw pipeline |
| */ |
| boolean draw_need_pipeline(const struct draw_context *draw, |
| const struct pipe_rasterizer_state *rasterizer, |
| unsigned prim ); |
| |
| #ifdef HAVE_LLVM |
| /******************************************************************************* |
| * LLVM integration |
| */ |
| struct draw_context *draw_create_with_llvm(void); |
| #endif |
| |
| #endif /* DRAW_CONTEXT_H */ |