| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| /* Authors: Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| #ifndef SP_CONTEXT_H |
| #define SP_CONTEXT_H |
| |
| #include "pipe/p_context.h" |
| |
| #include "draw/draw_vertex.h" |
| |
| #include "sp_quad_pipe.h" |
| |
| |
| /** Do polygon stipple in the draw module? */ |
| #define DO_PSTIPPLE_IN_DRAW_MODULE 0 |
| |
| /** Do polygon stipple with the util module? */ |
| #define DO_PSTIPPLE_IN_HELPER_MODULE 1 |
| |
| |
| struct softpipe_vbuf_render; |
| struct draw_context; |
| struct draw_stage; |
| struct softpipe_tile_cache; |
| struct softpipe_tex_tile_cache; |
| struct sp_fragment_shader; |
| struct sp_vertex_shader; |
| struct sp_velems_state; |
| struct sp_so_state; |
| |
| struct softpipe_context { |
| struct pipe_context pipe; /**< base class */ |
| |
| /** Constant state objects */ |
| struct pipe_blend_state *blend; |
| struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; |
| struct pipe_depth_stencil_alpha_state *depth_stencil; |
| struct pipe_rasterizer_state *rasterizer; |
| struct sp_fragment_shader *fs; |
| struct sp_fragment_shader_variant *fs_variant; |
| struct sp_vertex_shader *vs; |
| struct sp_geometry_shader *gs; |
| struct sp_velems_state *velems; |
| struct sp_so_state *so; |
| |
| /** Other rendering state */ |
| struct pipe_blend_color blend_color; |
| struct pipe_blend_color blend_color_clamped; |
| struct pipe_stencil_ref stencil_ref; |
| struct pipe_clip_state clip; |
| struct pipe_resource *constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; |
| struct pipe_framebuffer_state framebuffer; |
| struct pipe_poly_stipple poly_stipple; |
| struct pipe_scissor_state scissor; |
| struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; |
| |
| struct pipe_viewport_state viewport; |
| struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; |
| struct pipe_index_buffer index_buffer; |
| |
| struct draw_so_target *so_targets[PIPE_MAX_SO_BUFFERS]; |
| int num_so_targets; |
| |
| struct pipe_query_data_so_statistics so_stats; |
| unsigned num_primitives_generated; |
| |
| unsigned num_samplers[PIPE_SHADER_TYPES]; |
| unsigned num_sampler_views[PIPE_SHADER_TYPES]; |
| |
| unsigned num_vertex_buffers; |
| |
| unsigned dirty; /**< Mask of SP_NEW_x flags */ |
| |
| /* Counter for occlusion queries. Note this supports overlapping |
| * queries. |
| */ |
| uint64_t occlusion_count; |
| unsigned active_query_count; |
| |
| /** Mapped vertex buffers */ |
| ubyte *mapped_vbuffer[PIPE_MAX_ATTRIBS]; |
| |
| /** Mapped constant buffers */ |
| const void *mapped_constants[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; |
| unsigned const_buffer_size[PIPE_SHADER_TYPES][PIPE_MAX_CONSTANT_BUFFERS]; |
| |
| /** Vertex format */ |
| struct vertex_info vertex_info; |
| struct vertex_info vertex_info_vbuf; |
| |
| /** Which vertex shader output slot contains point size */ |
| int psize_slot; |
| |
| /** The reduced version of the primitive supplied by the state tracker */ |
| unsigned reduced_api_prim; |
| |
| /** Derived information about which winding orders to cull */ |
| unsigned cull_mode; |
| |
| /** |
| * The reduced primitive after unfilled triangles, wide-line decomposition, |
| * etc, are taken into account. This is the primitive type that's actually |
| * rasterized. |
| */ |
| unsigned reduced_prim; |
| |
| /** Derived from scissor and surface bounds: */ |
| struct pipe_scissor_state cliprect; |
| |
| unsigned line_stipple_counter; |
| |
| /** Conditional query object and mode */ |
| struct pipe_query *render_cond_query; |
| uint render_cond_mode; |
| |
| /** Polygon stipple items */ |
| struct { |
| struct pipe_resource *texture; |
| struct pipe_sampler_state *sampler; |
| struct pipe_sampler_view *sampler_view; |
| } pstipple; |
| |
| /** Software quad rendering pipeline */ |
| struct { |
| struct quad_stage *shade; |
| struct quad_stage *depth_test; |
| struct quad_stage *blend; |
| struct quad_stage *pstipple; |
| struct quad_stage *first; /**< points to one of the above stages */ |
| } quad; |
| |
| /** TGSI exec things */ |
| struct { |
| struct sp_sampler_variant *samplers_list[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS]; |
| } tgsi; |
| |
| struct tgsi_exec_machine *fs_machine; |
| |
| /** The primitive drawing context */ |
| struct draw_context *draw; |
| |
| /** Draw module backend */ |
| struct vbuf_render *vbuf_backend; |
| struct draw_stage *vbuf; |
| |
| boolean dirty_render_cache; |
| |
| struct softpipe_tile_cache *cbuf_cache[PIPE_MAX_COLOR_BUFS]; |
| struct softpipe_tile_cache *zsbuf_cache; |
| |
| unsigned tex_timestamp; |
| |
| /* |
| * Texture caches for vertex, fragment, geometry stages. |
| * Don't use PIPE_SHADER_TYPES here to avoid allocating unused memory |
| * for compute shaders. |
| */ |
| struct softpipe_tex_tile_cache *tex_cache[PIPE_SHADER_GEOMETRY+1][PIPE_MAX_SAMPLERS]; |
| |
| unsigned dump_fs : 1; |
| unsigned dump_gs : 1; |
| unsigned no_rast : 1; |
| }; |
| |
| |
| static INLINE struct softpipe_context * |
| softpipe_context( struct pipe_context *pipe ) |
| { |
| return (struct softpipe_context *)pipe; |
| } |
| |
| void |
| softpipe_reset_sampler_variants(struct softpipe_context *softpipe); |
| |
| struct pipe_context * |
| softpipe_create_context( struct pipe_screen *, void *priv ); |
| |
| struct pipe_resource * |
| softpipe_user_buffer_create(struct pipe_screen *screen, |
| void *ptr, |
| unsigned bytes, |
| unsigned bind_flags); |
| |
| #define SP_UNREFERENCED 0 |
| #define SP_REFERENCED_FOR_READ (1 << 0) |
| #define SP_REFERENCED_FOR_WRITE (1 << 1) |
| |
| unsigned int |
| softpipe_is_resource_referenced( struct pipe_context *pipe, |
| struct pipe_resource *texture, |
| unsigned level, int layer); |
| |
| #endif /* SP_CONTEXT_H */ |