/*
* 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_vertex.h"
#include "util/u_blitter.h"
#include "pipe/p_context.h"
#include "util/u_inlines.h"
#include "r300_screen.h"
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*, 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 */
};
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 point_minmax; /* R300_GA_POINT_MINMAX: 0x4230 */
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 */
};
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_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_FRAGMENT_SHADER 0x00000020
#define R300_NEW_FRAGMENT_SHADER_CONSTANTS 0x00000040
#define R300_NEW_SAMPLER 0x00000200
#define R300_ANY_NEW_SAMPLERS 0x0001fe00
#define R300_NEW_TEXTURE 0x00040000
#define R300_ANY_NEW_TEXTURES 0x03fc0000
#define R300_NEW_VERTEX_SHADER 0x08000000
#define R300_NEW_VERTEX_SHADER_CONSTANTS 0x10000000
#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 */
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;
};
enum r300_buffer_tiling {
R300_BUFFER_LINEAR = 0,
R300_BUFFER_TILED,
R300_BUFFER_SQUARETILED
};
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];
/* Whether the mipmap level is macrotiled. */
enum r300_buffer_tiling mip_macrotile[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;
/* 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_velems_state {
unsigned count;
struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS];
};
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;
/* Accelerated blit support. */
struct blitter_context* blitter;
/* 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;
/* Vertex formatting information. */
struct r300_atom vertex_format_state;
/* 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;
/* Shader constants. */
struct r300_constant_buffer shader_constants[PIPE_SHADER_TYPES];
/* Depth, stencil, and alpha state. */
struct r300_atom dsa_state;
/* Fragment shader. */
struct r300_fragment_shader* fs;
/* Framebuffer state. */
struct r300_atom fb_state;
/* Rasterizer state. */
struct r300_atom rs_state;
/* RS block state. */
struct r300_atom rs_block_state;
/* Sampler states. */
struct r300_sampler_state* sampler_states[8];
int sampler_count;
/* Scissor state. */
struct r300_atom scissor_state;
/* Texture states. */
struct r300_texture* textures[8];
int texture_count;
/* Vertex shader. */
struct r300_vertex_shader* vs;
/* Viewport state. */
struct r300_atom viewport_state;
/* ZTOP state. */
struct r300_atom ztop_state;
/* 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;
/* Vertex elements for Gallium. */
struct r300_velems_state *velems;
struct pipe_stencil_ref stencil_ref;
/* Bitmask of dirty state objects. */
uint32_t dirty_state;
/* Flag indicating whether or not the HW is dirty. */
uint32_t dirty_hw;
/* Whether the TCL engine should be in bypass mode. */
boolean tcl_bypass;
/* Whether polygon offset is enabled. */
boolean polygon_offset_enabled;
/* Z buffer bit depth. */
uint32_t zbuffer_bpp;
};
/* Convenience cast wrapper. */
static INLINE struct r300_context* r300_context(struct pipe_context* context)
{
return (struct r300_context*)context;
}
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_surface_functions(struct r300_context* r300);
static INLINE boolean CTX_DBG_ON(struct r300_context * ctx, unsigned flags)
{
return SCREEN_DBG_ON(r300_screen(ctx->context.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);
debug_vprintf(fmt, va);
va_end(va);
}
}
#define DBG_ON CTX_DBG_ON
#define DBG CTX_DBG
#endif /* R300_CONTEXT_H */