/* * 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 "r300_defines.h" #include "r300_screen.h" struct u_upload_mgr; struct r300_context; struct r300_fragment_shader; struct r300_vertex_shader; struct r300_atom { /* List pointers. */ struct r300_atom *prev, *next; /* Name, for debugging. */ const char* name; /* 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; /* Another dirty flag that is never automatically cleared. */ boolean always_dirty; }; struct r300_blend_state { uint32_t blend_control; /* R300_RB3D_CBLEND: 0x4e04 */ uint32_t alpha_blend_control; /* R300_RB3D_ABLEND: 0x4e08 */ uint32_t color_channel_mask; /* R300_RB3D_COLOR_CHANNEL_MASK: 0x4e0c */ uint32_t rop; /* R300_RB3D_ROPCNTL: 0x4e18 */ uint32_t dither; /* R300_RB3D_DITHER_CTL: 0x4e50 */ }; struct r300_blend_color_state { /* RV515 and earlier */ uint32_t blend_color; /* R300_RB3D_BLEND_COLOR: 0x4e10 */ /* R520 and newer */ uint32_t blend_color_red_alpha; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */ uint32_t blend_color_green_blue; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */ }; struct r300_dsa_state { uint32_t alpha_function; /* R300_FG_ALPHA_FUNC: 0x4bd4 */ uint32_t alpha_reference; /* R500_FG_ALPHA_VALUE: 0x4be0 */ 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 stencil_ref_bf; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */ /* Whether a two-sided stencil is enabled. */ boolean two_sided; /* Whether a fallback should be used for a two-sided stencil ref value. */ boolean stencil_ref_bf_fallback; }; struct r300_rs_state { /* Draw-specific rasterizer state */ struct pipe_rasterizer_state rs; uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */ uint32_t antialiasing_config; /* R300_GB_AA_CONFIG: 0x4020 */ uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */ uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */ float depth_scale; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */ /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */ float depth_offset; /* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */ /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */ uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */ uint32_t cull_mode; /* R300_SU_CULL_MODE: 0x42b8 */ uint32_t line_stipple_config; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */ uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */ uint32_t color_control; /* R300_GA_COLOR_CONTROL: 0x4278 */ uint32_t polygon_mode; /* R300_GA_POLY_MODE: 0x4288 */ uint32_t clip_rule; /* R300_SC_CLIP_RULE: 0x43D0 */ /* Specifies top of Raster pipe specific enable controls, * i.e. texture coordinates stuffing for points, lines, triangles */ uint32_t stuffing_enable; /* R300_GB_ENABLE: 0x4008 */ /* Point sprites texture coordinates, 0: lower left, 1: upper right */ float point_texcoord_left; /* R300_GA_POINT_S0: 0x4200 */ float point_texcoord_bottom; /* R300_GA_POINT_T0: 0x4204 */ float point_texcoord_right; /* R300_GA_POINT_S1: 0x4208 */ float point_texcoord_top; /* R300_GA_POINT_T1: 0x420c */ }; struct r300_rs_block { 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; /* Copy of r300_texture::texture_format_state with format-specific bits * added. */ struct r300_texture_format_state format; }; struct r300_texture_fb_state { /* Colorbuffer. */ uint32_t colorpitch[R300_MAX_TEXTURE_LEVELS]; /* R300_RB3D_COLORPITCH[0-3]*/ uint32_t us_out_fmt; /* R300_US_OUT_FMT[0-3] */ /* Zbuffer. */ uint32_t depthpitch[R300_MAX_TEXTURE_LEVELS]; /* R300_RB3D_DEPTHPITCH */ uint32_t zb_format; /* R300_ZB_FORMAT */ }; 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 { 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 */ } 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_vap_output_state { 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 */ }; 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 */ float 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; /* Whether this query is currently active. Only active queries will * get emitted into the command stream, and only active queries get * tallied. */ boolean active; /* The current count of this query. Required to be at least 32 bits. */ unsigned int count; /* The offset of this query into the query buffer, in bytes. */ unsigned offset; /* if we've flushed the query */ boolean flushed; /* if begin has been emitted */ boolean begin_emitted; /* Linked list members. */ struct r300_query* prev; struct r300_query* next; }; struct r300_texture { /* Parent class */ struct u_resource b; /* Offsets into the buffer. */ unsigned offset[R300_MAX_TEXTURE_LEVELS]; /* A pitch for each mip-level */ unsigned pitch[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_info { /* Parent class */ struct vertex_info vinfo; /* 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]; }; struct r300_vertex_element_state { unsigned count; struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; struct r300_vertex_stream_state vertex_stream; }; extern struct pipe_viewport_state r300_viewport_identity; struct r300_context { /* Parent class */ struct pipe_context context; /* Emission of drawing packets. */ void (*emit_draw_arrays_immediate)( struct r300_context *r300, unsigned mode, unsigned start, unsigned count); void (*emit_draw_arrays)( struct r300_context *r300, unsigned mode, unsigned count); void (*emit_draw_elements)( struct r300_context *r300, struct pipe_resource* indexBuffer, unsigned indexSize, unsigned minIndex, unsigned maxIndex, unsigned mode, unsigned start, unsigned count); /* 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; /* Vertex buffer for rendering. */ struct pipe_resource* vbo; /* Offset into the VBO. */ size_t vbo_offset; /* Occlusion query buffer. */ struct pipe_resource* oqbo; /* Query list. */ struct r300_query *query_current; struct r300_query query_list; /* Various CSO state objects. */ /* Beginning of atom list. */ struct r300_atom atom_list; /* 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. */ 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; /* VAP (vertex shader) output mapping state. */ struct r300_atom vap_output_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; /* Texture cache invalidate. */ struct r300_atom texture_cache_inval; /* 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_clip_state clip; struct pipe_viewport_state viewport; /* 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; /* Whether the two-sided stencil ref value is different for front and * back faces, and fallback should be used for r3xx-r4xx. */ boolean stencil_ref_bf_fallback; /* Point sprites texcoord index, 1 bit per texcoord */ int sprite_coord_enable; /* upload managers */ struct u_upload_mgr *upload_vb; struct u_upload_mgr *upload_ib; }; /* Convenience cast wrapper. */ 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); /* Context initialization. */ struct draw_stage* r300_draw_stage(struct r300_context* r300); void r300_init_state_functions(struct r300_context* r300); void r300_init_resource_functions(struct r300_context* r300); 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 */