/*
* 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];
};
static struct pipe_viewport_state r300_viewport_identity = {
.scale = {1.0, 1.0, 1.0, 1.0},
.translate = {0.0, 0.0, 0.0, 0.0},
};
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;
};
/* 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);
#endif /* R300_CONTEXT_H */