/* * Copyright 2008 Corbin Simpson * * 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 * on 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 * THE AUTHOR(S) AND/OR THEIR 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 R300_CONTEXT_H #define R300_CONTEXT_H #include "draw/draw_vertex.h" #include "util/u_blitter.h" #include "pipe/p_context.h" #include "util/u_inlines.h" #include "util/u_transfer.h" #include "translate/translate_cache.h" #include "r300_defines.h" #include "r300_screen.h" struct u_upload_mgr; struct r300_context; struct r300_fragment_shader; struct r300_vertex_shader; struct r300_stencilref_context; struct r300_atom { /* List pointers. */ struct r300_atom *prev, *next; /* Name, for debugging. */ const char* name; /* Stat counter. */ uint64_t counter; /* Opaque state. */ void* state; /* Emit the state to the context. */ void (*emit)(struct r300_context*, unsigned, void*); /* Upper bound on number of dwords to emit. */ unsigned size; /* Whether this atom should be emitted. */ boolean dirty; /* Whether this atom may be emitted with state == NULL. */ boolean allow_null_state; }; struct r300_aa_state { struct r300_surface *dest; uint32_t aa_config; uint32_t aaresolve_ctl; }; struct r300_blend_state { uint32_t cb[8]; uint32_t cb_no_readwrite[8]; }; struct r300_blend_color_state { uint32_t cb[3]; }; struct r300_clip_state { struct pipe_clip_state clip; uint32_t cb[29]; }; struct r300_dsa_state { struct pipe_depth_stencil_alpha_state dsa; /* This is actually a command buffer with named dwords. */ uint32_t cb_begin; uint32_t alpha_function; /* R300_FG_ALPHA_FUNC: 0x4bd4 */ uint32_t cb_reg_seq; uint32_t z_buffer_control; /* R300_ZB_CNTL: 0x4f00 */ uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */ uint32_t stencil_ref_mask; /* R300_ZB_STENCILREFMASK: 0x4f08 */ uint32_t cb_reg; uint32_t stencil_ref_bf; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */ /* The second command buffer disables zbuffer reads and writes. */ uint32_t cb_no_readwrite[8]; /* Whether a two-sided stencil is enabled. */ boolean two_sided; /* Whether a fallback should be used for a two-sided stencil ref value. */ boolean two_sided_stencil_ref; }; struct r300_gpu_flush { uint32_t cb_flush_clean[6]; }; struct r300_rs_state { /* Original rasterizer state. */ struct pipe_rasterizer_state rs; /* Draw-specific rasterizer state. */ struct pipe_rasterizer_state rs_draw; /* Command buffers. */ uint32_t cb_main[25]; uint32_t cb_poly_offset_zb16[5]; uint32_t cb_poly_offset_zb24[5]; /* The index to cb_main where the cull_mode register value resides. */ unsigned cull_mode_index; /* Whether polygon offset is enabled. */ boolean polygon_offset_enable; /* This is emitted in the draw function. */ uint32_t color_control; /* R300_GA_COLOR_CONTROL: 0x4278 */ }; struct r300_rs_block { uint32_t vap_vtx_state_cntl; /* R300_VAP_VTX_STATE_CNTL: 0x2180 */ uint32_t vap_vsm_vtx_assm; /* R300_VAP_VSM_VTX_ASSM: 0x2184 */ uint32_t vap_out_vtx_fmt[2]; /* R300_VAP_OUTPUT_VTX_FMT_[0-1]: 0x2090 */ uint32_t ip[8]; /* R300_RS_IP_[0-7], R500_RS_IP_[0-7] */ uint32_t count; /* R300_RS_COUNT */ uint32_t inst_count; /* R300_RS_INST_COUNT */ uint32_t inst[8]; /* R300_RS_INST_[0-7] */ }; struct r300_sampler_state { struct pipe_sampler_state state; uint32_t filter0; /* R300_TX_FILTER0: 0x4400 */ uint32_t filter1; /* R300_TX_FILTER1: 0x4440 */ uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */ /* Min/max LOD must be clamped to [0, last_level], thus * it's dependent on a currently bound texture */ unsigned min_lod, max_lod; }; struct r300_texture_format_state { uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */ uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */ uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */ uint32_t tile_config; /* R300_TX_OFFSET (subset thereof) */ }; struct r300_sampler_view { struct pipe_sampler_view base; /* Swizzles in the UTIL_FORMAT_SWIZZLE_* representation, * derived from base. */ unsigned char swizzle[4]; /* Copy of r300_texture::texture_format_state with format-specific bits * added. */ struct r300_texture_format_state format; /* The texture cache region for this texture. */ uint32_t texcache_region; }; struct r300_texture_fb_state { uint32_t pitch[R300_MAX_TEXTURE_LEVELS]; /* COLORPITCH or DEPTHPITCH. */ uint32_t format; /* US_OUT_FMT or R300_ZB_FORMAT */ }; struct r300_texture_sampler_state { struct r300_texture_format_state format; uint32_t filter0; /* R300_TX_FILTER0: 0x4400 */ uint32_t filter1; /* R300_TX_FILTER1: 0x4440 */ uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */ }; struct r300_textures_state { /* Textures. */ struct r300_sampler_view *sampler_views[16]; int sampler_view_count; /* Sampler states. */ struct r300_sampler_state *sampler_states[16]; int sampler_state_count; /* This is the merge of the texture and sampler states. */ unsigned count; uint32_t tx_enable; /* R300_TX_ENABLE: 0x4101 */ struct r300_texture_sampler_state regs[16]; }; struct r300_vertex_stream_state { /* R300_VAP_PROG_STREAK_CNTL_[0-7] */ uint32_t vap_prog_stream_cntl[8]; /* R300_VAP_PROG_STREAK_CNTL_EXT_[0-7] */ uint32_t vap_prog_stream_cntl_ext[8]; unsigned count; }; struct r300_invariant_state { uint32_t cb[22]; }; struct r300_vap_invariant_state { uint32_t cb[9]; }; struct r300_viewport_state { float xscale; /* R300_VAP_VPORT_XSCALE: 0x2098 */ float xoffset; /* R300_VAP_VPORT_XOFFSET: 0x209c */ float yscale; /* R300_VAP_VPORT_YSCALE: 0x20a0 */ float yoffset; /* R300_VAP_VPORT_YOFFSET: 0x20a4 */ float zscale; /* R300_VAP_VPORT_ZSCALE: 0x20a8 */ float zoffset; /* R300_VAP_VPORT_ZOFFSET: 0x20ac */ uint32_t vte_control; /* R300_VAP_VTE_CNTL: 0x20b0 */ }; struct r300_ztop_state { uint32_t z_buffer_top; /* R300_ZB_ZTOP: 0x4f14 */ }; /* The next several objects are not pure Radeon state; they inherit from * various Gallium classes. */ struct r300_constant_buffer { /* Buffer of constants */ uint32_t constants[256][4]; /* Total number of constants */ unsigned count; }; /* Query object. * * This is not a subclass of pipe_query because pipe_query is never * actually fully defined. So, rather than have it as a member, and do * subclass-style casting, we treat pipe_query as an opaque, and just * trust that our state tracker does not ever mess up query objects. */ struct r300_query { /* The kind of query. Currently only OQ is supported. */ unsigned type; /* The number of pipes where query results are stored. */ unsigned num_pipes; /* How many results have been written, in dwords. It's incremented * after end_query and flush. */ unsigned num_results; /* if we've flushed the query */ boolean flushed; /* if begin has been emitted */ boolean begin_emitted; /* The buffer where query results are stored. */ struct r300_winsys_buffer *buffer; /* The size of the buffer. */ unsigned buffer_size; /* The domain of the buffer. */ enum r300_buffer_domain domain; /* Linked list members. */ struct r300_query* prev; struct r300_query* next; }; /* Fence object. * * This is a fake fence. Instead of syncing with the fence, we sync * with the context, which is inefficient but compliant. * * This is not a subclass of pipe_fence_handle because pipe_fence_handle is * never actually fully defined. So, rather than have it as a member, and do * subclass-style casting, we treat pipe_fence_handle as an opaque, and just * trust that our state tracker does not ever mess up fence objects. */ struct r300_fence { struct pipe_reference reference; struct r300_context *ctx; boolean signalled; }; struct r300_surface { struct pipe_surface base; /* Winsys buffer backing the texture. */ struct r300_winsys_buffer *buffer; enum r300_buffer_domain domain; uint32_t offset; uint32_t pitch; /* COLORPITCH or DEPTHPITCH. */ uint32_t format; /* US_OUT_FMT or R300_ZB_FORMAT. */ }; struct r300_texture { /* Parent class */ struct u_resource b; enum r300_buffer_domain domain; /* Offsets into the buffer. */ unsigned offset[R300_MAX_TEXTURE_LEVELS]; /* A pitch for each mip-level */ unsigned pitch[R300_MAX_TEXTURE_LEVELS]; /* A pitch multiplied by blockwidth as hardware wants * the number of pixels instead of the number of blocks. */ unsigned hwpitch[R300_MAX_TEXTURE_LEVELS]; /* Size of one zslice or face based on the texture target */ unsigned layer_size[R300_MAX_TEXTURE_LEVELS]; /* Whether the mipmap level is macrotiled. */ enum r300_buffer_tiling mip_macrotile[R300_MAX_TEXTURE_LEVELS]; /** * If non-zero, override the natural texture layout with * a custom stride (in bytes). * * \note Mipmapping fails for textures with a non-natural layout! * * \sa r300_texture_get_stride */ unsigned stride_override; /* Total size of this texture, in bytes. */ unsigned size; /* Whether this texture has non-power-of-two dimensions * or a user-specified pitch. * It can be either a regular texture or a rectangle one. */ boolean uses_pitch; /* Pipe buffer backing this texture. */ struct r300_winsys_buffer *buffer; /* Registers carrying texture format data. */ /* Only format-independent bits should be filled in. */ struct r300_texture_format_state tx_format; /* All bits should be filled in. */ struct r300_texture_fb_state fb_state; /* Buffer tiling */ enum r300_buffer_tiling microtile, macrotile; }; struct r300_vertex_element_state { unsigned count; struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; /* If (velem[i].src_format != hw_format[i]), the vertex buffer * referenced by this vertex element cannot be used for rendering and * its vertex data must be translated to hw_format[i]. */ enum pipe_format hw_format[PIPE_MAX_ATTRIBS]; unsigned hw_format_size[PIPE_MAX_ATTRIBS]; /* The size of the vertex, in dwords. */ unsigned vertex_size_dwords; /* This might mean two things: * - src_format != hw_format, as discussed above. * - src_offset % 4 != 0. */ boolean incompatible_layout; struct r300_vertex_stream_state vertex_stream; }; struct r300_translate_context { /* Translate cache for incompatible vertex offset/stride/format fallback. */ struct translate_cache *translate_cache; /* The vertex buffer slot containing the translated buffer. */ unsigned vb_slot; /* Saved and new vertex element state. */ void *saved_velems, *new_velems; }; struct r300_context { /* Parent class */ struct pipe_context context; /* The interface to the windowing system, etc. */ struct r300_winsys_screen *rws; /* Screen. */ struct r300_screen *screen; /* Draw module. Used mostly for SW TCL. */ struct draw_context* draw; /* Accelerated blit support. */ struct blitter_context* blitter; /* Stencil two-sided reference value fallback. */ struct r300_stencilref_context *stencilref_fallback; /* For translating vertex buffers having incompatible vertex layout. */ struct r300_translate_context tran; /* Vertex buffer for rendering. */ struct pipe_resource* vbo; /* The KIL opcode needs the first texture unit to be enabled * on r3xx-r4xx. In order to calm down the CS checker, we bind this * dummy texture there. */ struct r300_sampler_view *texkill_sampler; /* Offset into the VBO. */ size_t vbo_offset; /* The currently active query. */ struct r300_query *query_current; /* The saved query for blitter operations. */ struct r300_query *blitter_saved_query; /* Query list. */ struct r300_query query_list; /* Various CSO state objects. */ /* Beginning of atom list. */ struct r300_atom atom_list; /* Anti-aliasing (MSAA) state. */ struct r300_atom aa_state; /* Blend state. */ struct r300_atom blend_state; /* Blend color state. */ struct r300_atom blend_color_state; /* User clip planes. */ struct r300_atom clip_state; /* Depth, stencil, and alpha state. */ struct r300_atom dsa_state; /* Fragment shader. */ struct r300_atom fs; /* Fragment shader RC_CONSTANT_STATE variables. */ struct r300_atom fs_rc_constant_state; /* Fragment shader constant buffer. */ struct r300_atom fs_constants; /* Framebuffer state. */ struct r300_atom fb_state; /* Occlusion query. */ struct r300_atom query_start; /* Rasterizer state. */ struct r300_atom rs_state; /* RS block state + VAP (vertex shader) output mapping state. */ struct r300_atom rs_block_state; /* Scissor state. */ struct r300_atom scissor_state; /* Textures state. */ struct r300_atom textures_state; /* Vertex stream formatting state. */ struct r300_atom vertex_stream_state; /* Vertex shader. */ struct r300_atom vs_state; /* Vertex shader constant buffer. */ struct r300_atom vs_constants; /* Viewport state. */ struct r300_atom viewport_state; /* ZTOP state. */ struct r300_atom ztop_state; /* PVS flush. */ struct r300_atom pvs_flush; /* VAP invariant state. */ struct r300_atom vap_invariant_state; /* Texture cache invalidate. */ struct r300_atom texture_cache_inval; /* GPU flush. */ struct r300_atom gpu_flush; /* Invariant state. This must be emitted to get the engine started. */ struct r300_atom invariant_state; /* Vertex buffers for Gallium. */ struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; int vertex_buffer_count; int vertex_buffer_max_index; /* Vertex elements for Gallium. */ struct r300_vertex_element_state *velems; bool any_user_vbs; /* Vertex info for Draw. */ struct vertex_info vertex_info; struct pipe_stencil_ref stencil_ref; struct pipe_viewport_state viewport; /* Stream locations for SWTCL. */ int stream_loc_notcl[16]; /* Flag indicating whether or not the HW is dirty. */ uint32_t dirty_hw; /* Whether polygon offset is enabled. */ boolean polygon_offset_enabled; /* Z buffer bit depth. */ uint32_t zbuffer_bpp; /* Whether rendering is conditional and should be skipped. */ boolean skip_rendering; /* Point sprites texcoord index, 1 bit per texcoord */ int sprite_coord_enable; /* Whether two-sided color selection is enabled (AKA light_twoside). */ boolean two_sided_color; /* Incompatible vertex buffer layout? (misaligned stride or buffer_offset) */ boolean incompatible_vb_layout; /* upload managers */ struct u_upload_mgr *upload_vb; struct u_upload_mgr *upload_ib; /* Stat counter. */ uint64_t flush_counter; }; /* Convenience cast wrappers. */ static INLINE struct r300_query* r300_query(struct pipe_query* q) { return (struct r300_query*)q; } static INLINE struct r300_surface* r300_surface(struct pipe_surface* surf) { return (struct r300_surface*)surf; } static INLINE struct r300_texture* r300_texture(struct pipe_resource* tex) { return (struct r300_texture*)tex; } static INLINE struct r300_context* r300_context(struct pipe_context* context) { return (struct r300_context*)context; } static INLINE struct r300_fragment_shader *r300_fs(struct r300_context *r300) { return (struct r300_fragment_shader*)r300->fs.state; } struct pipe_context* r300_create_context(struct pipe_screen* screen, void *priv); boolean r300_check_cs(struct r300_context *r300, unsigned size); void r300_finish(struct r300_context *r300); /* Context initialization. */ struct draw_stage* r300_draw_stage(struct r300_context* r300); void r300_init_blit_functions(struct r300_context *r300); void r300_init_flush_functions(struct r300_context* r300); void r300_init_query_functions(struct r300_context* r300); void r300_init_render_functions(struct r300_context *r300); void r300_init_state_functions(struct r300_context* r300); void r300_init_resource_functions(struct r300_context* r300); /* r300_query.c */ void r300_resume_query(struct r300_context *r300, struct r300_query *query); void r300_stop_query(struct r300_context *r300); /* r300_render_translate.c */ void r300_begin_vertex_translate(struct r300_context *r300); void r300_end_vertex_translate(struct r300_context *r300); void r300_translate_index_buffer(struct r300_context *r300, struct pipe_resource **index_buffer, unsigned *index_size, unsigned index_offset, unsigned *start, unsigned count); /* r300_render_stencilref.c */ void r300_plug_in_stencil_ref_fallback(struct r300_context *r300); /* r300_state.c */ void r300_mark_fs_code_dirty(struct r300_context *r300); /* r300_debug.c */ void r500_dump_rs_block(struct r300_rs_block *rs); static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags) { return SCREEN_DBG_ON(ctx->screen, flags); } static INLINE void CTX_DBG(struct r300_context * ctx, unsigned flags, const char * fmt, ...) { if (CTX_DBG_ON(ctx, flags)) { va_list va; va_start(va, fmt); vfprintf(stderr, fmt, va); va_end(va); } } #define DBG_ON CTX_DBG_ON #define DBG CTX_DBG #endif /* R300_CONTEXT_H */