diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_context.h')
| -rw-r--r-- | src/gallium/drivers/r300/r300_context.h | 327 |
1 files changed, 327 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_context.h b/src/gallium/drivers/r300/r300_context.h new file mode 100644 index 0000000000..6c5914baa3 --- /dev/null +++ b/src/gallium/drivers/r300/r300_context.h @@ -0,0 +1,327 @@ +/* + * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> + * + * 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_context.h" +#include "draw/draw_vertex.h" + +#include "pipe/p_context.h" + +#include "tgsi/tgsi_scan.h" + +#include "util/u_memory.h" +#include "util/u_simple_list.h" + +#include "r300_clear.h" +#include "r300_query.h" +#include "r300_screen.h" +#include "r300_winsys.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 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 z_buffer_top; /* R300_ZB_ZTOP: 0x4f14 */ + 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 */ +}; + +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 */ +}; + +struct r300_scissor_state { + uint32_t scissor_top_left; /* R300_SC_SCISSORS_TL: 0x43e0 */ + uint32_t scissor_bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */ +}; + +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 */ +}; + +#define R300_NEW_BLEND 0x00000001 +#define R300_NEW_BLEND_COLOR 0x00000002 +#define R300_NEW_CLIP 0x00000004 +#define R300_NEW_CONSTANTS 0x00000008 +#define R300_NEW_DSA 0x00000010 +#define R300_NEW_FRAMEBUFFERS 0x00000020 +#define R300_NEW_FRAGMENT_SHADER 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_VIEWPORT 0x10000000 +#define R300_NEW_KITCHEN_SINK 0x1fffffff + +/* 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; + /* 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]; + + /* Stride (pitch?) of this texture in bytes */ + unsigned stride; + + /* Total size of this texture, in bytes. */ + unsigned size; + + /* Pipe buffer backing this texture. */ + struct pipe_buffer* buffer; + + /* Registers carrying texture format data. */ + struct r300_texture_state state; +}; + +struct r300_vertex_format { + /* 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]; + /* Map of vertex attributes into PVS memory for HW TCL, + * or GA memory for SW TCL. */ + int vs_tab[16]; + /* Map of rasterizer attributes from GB through RS to US. */ + int fs_tab[16]; +}; + +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 r300_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_list; + + /* 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 buffers for Gallium. */ + struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; + int vertex_buffer_count; + /* Vertex information. */ + struct r300_vertex_format vertex_info; + /* Vertex shader. */ + struct r300_vertex_shader* vs; + /* Viewport state. */ + struct r300_viewport_state* viewport_state; + /* 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 +/*@}*/ + +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 */ |