/* * 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 "pipe/p_context.h" #include "pipe/p_inlines.h" struct r300_fragment_shader; struct r300_vertex_shader; 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 */ }; struct r300_rs_state { /* Draw-specific rasterizer state */ struct pipe_rasterizer_state rs; /* Whether or not to enable the VTE. This is referenced at the very * last moment during emission of VTE state, to decide whether or not * the VTE should be used for transformation. */ boolean enable_vte; uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */ uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */ uint32_t point_minmax; /* R300_GA_POINT_MINMAX: 0x4230 */ uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */ uint32_t depth_scale_front; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */ uint32_t depth_offset_front;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */ uint32_t depth_scale_back; /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */ uint32_t depth_offset_back; /* 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 */ }; 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 { 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_scissor_regs { uint32_t top_left; /* R300_SC_SCISSORS_TL: 0x43e0 */ uint32_t bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */ }; struct r300_scissor_state { struct r300_scissor_regs framebuffer; struct r300_scissor_regs scissor; }; struct r300_texture_state { uint32_t format0; /* R300_TX_FORMAT0: 0x4480 */ uint32_t format1; /* R300_TX_FORMAT1: 0x44c0 */ uint32_t format2; /* R300_TX_FORMAT2: 0x4500 */ }; 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 */ }; #define R300_NEW_BLEND 0x00000001 #define R300_NEW_BLEND_COLOR 0x00000002 #define R300_NEW_CLIP 0x00000004 #define R300_NEW_DSA 0x00000008 #define R300_NEW_FRAMEBUFFERS 0x00000010 #define R300_NEW_FRAGMENT_SHADER 0x00000020 #define R300_NEW_FRAGMENT_SHADER_CONSTANTS 0x00000040 #define R300_NEW_RASTERIZER 0x00000080 #define R300_NEW_RS_BLOCK 0x00000100 #define R300_NEW_SAMPLER 0x00000200 #define R300_ANY_NEW_SAMPLERS 0x0001fe00 #define R300_NEW_SCISSOR 0x00020000 #define R300_NEW_TEXTURE 0x00040000 #define R300_ANY_NEW_TEXTURES 0x03fc0000 #define R300_NEW_VERTEX_FORMAT 0x04000000 #define R300_NEW_VERTEX_SHADER 0x08000000 #define R300_NEW_VERTEX_SHADER_CONSTANTS 0x10000000 #define R300_NEW_VIEWPORT 0x20000000 #define R300_NEW_QUERY 0x40000000 #define R300_NEW_KITCHEN_SINK 0x7fffffff /* The next several objects are not pure Radeon state; they inherit from * various Gallium classes. */ struct r300_constant_buffer { /* Buffer of constants */ /* XXX first number should be raised */ float constants[32][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 pipe_texture tex; /* Offsets into the buffer. */ unsigned offset[PIPE_MAX_TEXTURE_LEVELS]; /* A pitch for each mip-level */ unsigned pitch[PIPE_MAX_TEXTURE_LEVELS]; /* Size of one zslice or face based on the texture target */ unsigned layer_size[PIPE_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. * It can be either a regular texture or a rectangle one. */ boolean is_npot; /* Pipe buffer backing this texture. */ struct pipe_buffer* buffer; /* Registers carrying texture format data. */ struct r300_texture_state state; }; 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]; }; extern struct pipe_viewport_state r300_viewport_identity; struct r300_context { /* Parent class */ struct pipe_context context; /* The interface to the windowing system, etc. */ struct radeon_winsys* winsys; /* Draw module. Used mostly for SW TCL. */ struct draw_context* draw; /* Vertex buffer for rendering. */ struct pipe_buffer* vbo; /* Offset into the VBO. */ size_t vbo_offset; /* Occlusion query buffer. */ struct pipe_buffer* oqbo; /* Query list. */ struct r300_query *query_current; struct r300_query query_list; /* Shader hash table. Used to store vertex formatting information, which * depends on the combination of both currently loaded shaders. */ struct util_hash_table* shader_hash_table; /* Vertex formatting information. */ struct r300_vertex_info* vertex_info; /* Various CSO state objects. */ /* Blend state. */ struct r300_blend_state* blend_state; /* Blend color state. */ struct r300_blend_color_state* blend_color_state; /* User clip planes. */ struct pipe_clip_state clip_state; /* Shader constants. */ struct r300_constant_buffer shader_constants[PIPE_SHADER_TYPES]; /* Depth, stencil, and alpha state. */ struct r300_dsa_state* dsa_state; /* Fragment shader. */ struct r300_fragment_shader* fs; /* Framebuffer state. We currently don't need our own version of this. */ struct pipe_framebuffer_state framebuffer_state; /* Rasterizer state. */ struct r300_rs_state* rs_state; /* RS block state. */ struct r300_rs_block* rs_block; /* Sampler states. */ struct r300_sampler_state* sampler_states[8]; int sampler_count; /* Scissor state. */ struct r300_scissor_state* scissor_state; /* Texture states. */ struct r300_texture* textures[8]; int texture_count; /* Vertex shader. */ struct r300_vertex_shader* vs; /* Viewport state. */ struct r300_viewport_state* viewport_state; /* ZTOP state. */ struct r300_ztop_state ztop_state; /* Vertex buffers for Gallium. */ struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS]; int vertex_buffer_count; /* Vertex elements for Gallium. */ struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; int vertex_element_count; /* Bitmask of dirty state objects. */ uint32_t dirty_state; /* Flag indicating whether or not the HW is dirty. */ uint32_t dirty_hw; /** Combination of DBG_xxx flags */ unsigned debug; }; /* Convenience cast wrapper. */ static INLINE struct r300_context* r300_context(struct pipe_context* context) { return (struct r300_context*)context; } /* Context initialization. */ struct draw_stage* r300_draw_stage(struct r300_context* r300); void r300_init_state_functions(struct r300_context* r300); void r300_init_surface_functions(struct r300_context* r300); /* Debug functionality. */ /** * Debug flags to disable/enable certain groups of debugging outputs. * * \note These may be rather coarse, and the grouping may be impractical. * If you find, while debugging the driver, that a different grouping * of these flags would be beneficial, just feel free to change them * but make sure to update the documentation in r300_debug.c to reflect * those changes. */ /*@{*/ #define DBG_HELP 0x0000001 #define DBG_FP 0x0000002 #define DBG_VP 0x0000004 #define DBG_CS 0x0000008 #define DBG_DRAW 0x0000010 #define DBG_TEX 0x0000020 #define DBG_FALL 0x0000040 /*@}*/ static INLINE boolean DBG_ON(struct r300_context * ctx, unsigned flags) { return (ctx->debug & flags) ? TRUE : FALSE; } static INLINE void DBG(struct r300_context * ctx, unsigned flags, const char * fmt, ...) { if (DBG_ON(ctx, flags)) { va_list va; va_start(va, fmt); debug_vprintf(fmt, va); va_end(va); } } void r300_init_debug(struct r300_context * ctx); #endif /* R300_CONTEXT_H */