/************************************************************************** * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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 I915_CONTEXT_H #define I915_CONTEXT_H #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "pipe/draw/draw_vertex.h" #define I915_TEX_UNITS 8 #define I915_DYNAMIC_MODES4 0 #define I915_DYNAMIC_DEPTHSCALE_0 1 /* just the header */ #define I915_DYNAMIC_DEPTHSCALE_1 2 #define I915_DYNAMIC_IAB 3 #define I915_DYNAMIC_BC_0 4 /* just the header */ #define I915_DYNAMIC_BC_1 5 #define I915_DYNAMIC_BFO_0 6 #define I915_DYNAMIC_BFO_1 7 #define I915_DYNAMIC_STP_0 8 #define I915_DYNAMIC_STP_1 9 #define I915_DYNAMIC_SC_ENA_0 10 #define I915_DYNAMIC_SC_RECT_0 11 #define I915_DYNAMIC_SC_RECT_1 12 #define I915_DYNAMIC_SC_RECT_2 13 #define I915_MAX_DYNAMIC 14 #define I915_IMMEDIATE_S0 0 #define I915_IMMEDIATE_S1 1 #define I915_IMMEDIATE_S2 2 #define I915_IMMEDIATE_S3 3 #define I915_IMMEDIATE_S4 4 #define I915_IMMEDIATE_S5 5 #define I915_IMMEDIATE_S6 6 #define I915_IMMEDIATE_S7 7 #define I915_MAX_IMMEDIATE 8 /* These must mach the order of LI0_STATE_* bits, as they will be used * to generate hardware packets: */ #define I915_CACHE_STATIC 0 #define I915_CACHE_DYNAMIC 1 /* handled specially */ #define I915_CACHE_SAMPLER 2 #define I915_CACHE_MAP 3 #define I915_CACHE_PROGRAM 4 #define I915_CACHE_CONSTANTS 5 #define I915_MAX_CACHE 6 #define I915_MAX_CONSTANT 32 struct i915_cache_context; /* Use to calculate differences between state emitted to hardware and * current driver-calculated state. */ struct i915_state { unsigned immediate[I915_MAX_IMMEDIATE]; unsigned dynamic[I915_MAX_DYNAMIC]; float constants[PIPE_SHADER_TYPES][I915_MAX_CONSTANT][4]; /** number of constants passed in through a constant buffer */ uint num_user_constants[PIPE_SHADER_TYPES]; /** user constants, plus extra constants from shader translation */ uint num_constants[PIPE_SHADER_TYPES]; uint *program; uint program_len; /* texture sampler state */ unsigned sampler[I915_TEX_UNITS][3]; unsigned sampler_enable_flags; unsigned sampler_enable_nr; /* texture image buffers */ unsigned texbuffer[I915_TEX_UNITS][2]; /** Describes the current hardware vertex layout */ struct vertex_info vertex_info; unsigned id; /* track lost context events */ }; struct i915_context { struct pipe_context pipe; struct i915_winsys *winsys; struct draw_context *draw; /* The most recent drawing state as set by the driver: */ const struct pipe_blend_state *blend; const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS]; const struct pipe_depth_stencil_state *depth_stencil; const struct pipe_rasterizer_state *rasterizer; struct pipe_alpha_test_state alpha_test; struct pipe_blend_color blend_color; struct pipe_clear_color_state clear_color; struct pipe_clip_state clip; struct pipe_constant_buffer constants[PIPE_SHADER_TYPES]; struct pipe_framebuffer_state framebuffer; struct pipe_shader_state fs; struct pipe_poly_stipple poly_stipple; struct pipe_scissor_state scissor; struct pipe_mipmap_tree *texture[PIPE_MAX_SAMPLERS]; struct pipe_viewport_state viewport; struct pipe_vertex_buffer vertex_buffer[PIPE_ATTRIB_MAX]; unsigned dirty; unsigned *batch_start; struct i915_state current; unsigned hardware_dirty; unsigned debug; unsigned pci_id; struct { unsigned is_i945:1; } flags; }; /* A flag for each state_tracker state object: */ #define I915_NEW_VIEWPORT 0x1 #define I915_NEW_RASTERIZER 0x2 #define I915_NEW_FS 0x4 #define I915_NEW_BLEND 0x8 #define I915_NEW_CLIP 0x10 #define I915_NEW_SCISSOR 0x20 #define I915_NEW_STIPPLE 0x40 #define I915_NEW_FRAMEBUFFER 0x80 #define I915_NEW_ALPHA_TEST 0x100 #define I915_NEW_DEPTH_STENCIL 0x200 #define I915_NEW_SAMPLER 0x400 #define I915_NEW_TEXTURE 0x800 #define I915_NEW_CONSTANTS 0x1000 /* Driver's internally generated state flags: */ #define I915_NEW_VERTEX_FORMAT 0x10000 /* Dirty flags for hardware emit */ #define I915_HW_STATIC (1<