0,0 → 1,418 |
/************************************************************************** |
* |
* 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. |
* |
**************************************************************************/ |
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#ifndef I915_CONTEXT_H |
#define I915_CONTEXT_H |
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#include "pipe/p_context.h" |
#include "pipe/p_defines.h" |
#include "pipe/p_state.h" |
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#include "draw/draw_vertex.h" |
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#include "tgsi/tgsi_scan.h" |
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#include "util/u_slab.h" |
#include "util/u_blitter.h" |
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struct i915_winsys; |
struct i915_winsys_buffer; |
struct i915_winsys_batchbuffer; |
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#define I915_TEX_UNITS 8 |
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#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 |
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#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 |
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/* 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 |
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#define I915_MAX_CONSTANT 32 |
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/** See constant_flags[] below */ |
#define I915_CONSTFLAG_USER 0x1f |
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/** |
* Subclass of pipe_shader_state |
*/ |
struct i915_fragment_shader |
{ |
struct pipe_shader_state state; |
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struct tgsi_shader_info info; |
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struct draw_fragment_shader *draw_data; |
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uint *decl; |
uint decl_len; |
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uint *program; |
uint program_len; |
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/** |
* constants introduced during translation. |
* These are placed at the end of the constant buffer and grow toward |
* the beginning (eg: slot 31, 30 29, ...) |
* User-provided constants start at 0. |
* This allows both types of constants to co-exist (until there's too many) |
* and doesn't require regenerating/changing the fragment program to |
* shuffle constants around. |
*/ |
uint num_constants; |
float constants[I915_MAX_CONSTANT][4]; |
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/** |
* Status of each constant |
* if I915_CONSTFLAG_PARAM, the value must be taken from the corresponding |
* slot of the user's constant buffer. (set by pipe->set_constant_buffer()) |
* Else, the bitmask indicates which components are occupied by immediates. |
*/ |
ubyte constant_flags[I915_MAX_CONSTANT]; |
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/** |
* The mapping between generics and hw texture coords. |
* We need to share this between the vertex and fragment stages. |
**/ |
int generic_mapping[I915_TEX_UNITS]; |
}; |
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struct i915_cache_context; |
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/* 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]; |
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/** number of constants passed in through a constant buffer */ |
uint num_user_constants[PIPE_SHADER_TYPES]; |
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/* texture sampler state */ |
unsigned sampler[I915_TEX_UNITS][3]; |
unsigned sampler_enable_flags; |
unsigned sampler_enable_nr; |
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/* texture image buffers */ |
unsigned texbuffer[I915_TEX_UNITS][2]; |
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/** Describes the current hardware vertex layout */ |
struct vertex_info vertex_info; |
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/* static state (dst/depth buffer state) */ |
struct i915_winsys_buffer *cbuf_bo; |
unsigned cbuf_flags; |
struct i915_winsys_buffer *depth_bo; |
unsigned depth_flags; |
unsigned dst_buf_vars; |
uint32_t draw_offset; |
uint32_t draw_size; |
uint32_t target_fixup_format; |
uint32_t fixup_swizzle; |
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unsigned id; /* track lost context events */ |
}; |
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struct i915_blend_state { |
unsigned iab; |
unsigned modes4; |
unsigned LIS5; |
unsigned LIS6; |
}; |
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struct i915_depth_stencil_state { |
unsigned stencil_modes4; |
unsigned bfo[2]; |
unsigned stencil_LIS5; |
unsigned depth_LIS6; |
}; |
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struct i915_rasterizer_state { |
struct pipe_rasterizer_state templ; |
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unsigned light_twoside : 1; |
unsigned st; |
enum interp_mode color_interp; |
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unsigned LIS4; |
unsigned LIS7; |
unsigned sc[1]; |
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union { float f; unsigned u; } ds[2]; |
}; |
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struct i915_sampler_state { |
struct pipe_sampler_state templ; |
unsigned state[3]; |
unsigned minlod; |
unsigned maxlod; |
}; |
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struct i915_velems_state { |
unsigned count; |
struct pipe_vertex_element velem[PIPE_MAX_ATTRIBS]; |
}; |
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struct i915_context { |
struct pipe_context base; |
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struct i915_winsys *iws; |
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struct draw_context *draw; |
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/* The most recent drawing state as set by the driver: |
*/ |
const struct i915_blend_state *blend; |
const struct i915_sampler_state *sampler[PIPE_MAX_SAMPLERS]; |
struct pipe_sampler_state *vertex_samplers[PIPE_MAX_SAMPLERS]; |
const struct i915_depth_stencil_state *depth_stencil; |
const struct i915_rasterizer_state *rasterizer; |
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struct i915_fragment_shader *fs; |
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void *vs; |
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struct i915_velems_state *velems; |
unsigned nr_vertex_buffers; |
struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS]; |
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struct pipe_blend_color blend_color; |
struct pipe_stencil_ref stencil_ref; |
struct pipe_clip_state clip; |
struct pipe_resource *constants[PIPE_SHADER_TYPES]; |
struct pipe_framebuffer_state framebuffer; |
struct pipe_poly_stipple poly_stipple; |
struct pipe_scissor_state scissor; |
struct pipe_sampler_view *fragment_sampler_views[PIPE_MAX_SAMPLERS]; |
struct pipe_sampler_view *vertex_sampler_views[PIPE_MAX_SAMPLERS]; |
struct pipe_viewport_state viewport; |
struct pipe_index_buffer index_buffer; |
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unsigned dirty; |
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struct pipe_resource *mapped_vs_tex[PIPE_MAX_SAMPLERS]; |
struct i915_winsys_buffer* mapped_vs_tex_buffer[PIPE_MAX_SAMPLERS]; |
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unsigned num_samplers; |
unsigned num_fragment_sampler_views; |
unsigned num_vertex_samplers; |
unsigned num_vertex_sampler_views; |
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struct i915_winsys_batchbuffer *batch; |
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/** Vertex buffer */ |
struct i915_winsys_buffer *vbo; |
size_t vbo_offset; |
unsigned vbo_flushed; |
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struct i915_state current; |
unsigned hardware_dirty; |
unsigned immediate_dirty : I915_MAX_IMMEDIATE; |
unsigned dynamic_dirty : I915_MAX_DYNAMIC; |
unsigned static_dirty : 4; |
unsigned flush_dirty : 2; |
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struct i915_winsys_buffer *validation_buffers[2 + 1 + I915_TEX_UNITS]; |
int num_validation_buffers; |
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struct util_slab_mempool transfer_pool; |
struct util_slab_mempool texture_transfer_pool; |
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/* state for tracking flushes */ |
int last_fired_vertices; |
int fired_vertices; |
int queued_vertices; |
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/** blitter/hw-clear */ |
struct blitter_context* blitter; |
}; |
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/* 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_SAMPLER_VIEW 0x800 |
#define I915_NEW_VS_CONSTANTS 0x1000 |
#define I915_NEW_FS_CONSTANTS 0x2000 |
#define I915_NEW_GS_CONSTANTS 0x4000 |
#define I915_NEW_VBO 0x8000 |
#define I915_NEW_VS 0x10000 |
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/* Driver's internally generated state flags: |
*/ |
#define I915_NEW_VERTEX_FORMAT 0x10000 |
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/* Dirty flags for hardware emit |
*/ |
#define I915_HW_STATIC (1<<I915_CACHE_STATIC) |
#define I915_HW_DYNAMIC (1<<I915_CACHE_DYNAMIC) |
#define I915_HW_SAMPLER (1<<I915_CACHE_SAMPLER) |
#define I915_HW_MAP (1<<I915_CACHE_MAP) |
#define I915_HW_PROGRAM (1<<I915_CACHE_PROGRAM) |
#define I915_HW_CONSTANTS (1<<I915_CACHE_CONSTANTS) |
#define I915_HW_IMMEDIATE (1<<(I915_MAX_CACHE+0)) |
#define I915_HW_INVARIANT (1<<(I915_MAX_CACHE+1)) |
#define I915_HW_FLUSH (1<<(I915_MAX_CACHE+1)) |
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/* hw flush handling */ |
#define I915_FLUSH_CACHE 1 |
#define I915_PIPELINE_FLUSH 2 |
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/* split up static state */ |
#define I915_DST_BUF_COLOR 1 |
#define I915_DST_BUF_DEPTH 2 |
#define I915_DST_VARS 4 |
#define I915_DST_RECT 8 |
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static INLINE |
void i915_set_flush_dirty(struct i915_context *i915, unsigned flush) |
{ |
i915->hardware_dirty |= I915_HW_FLUSH; |
i915->flush_dirty |= flush; |
} |
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/*********************************************************************** |
* i915_prim_emit.c: |
*/ |
struct draw_stage *i915_draw_render_stage( struct i915_context *i915 ); |
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/*********************************************************************** |
* i915_prim_vbuf.c: |
*/ |
struct draw_stage *i915_draw_vbuf_stage( struct i915_context *i915 ); |
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/*********************************************************************** |
* i915_state.c: |
*/ |
void i915_prepare_vertex_sampling(struct i915_context *i915); |
void i915_cleanup_vertex_sampling(struct i915_context *i915); |
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/*********************************************************************** |
* i915_state_emit.c: |
*/ |
void i915_emit_hardware_state(struct i915_context *i915 ); |
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/*********************************************************************** |
* i915_clear.c: |
*/ |
void i915_clear_blitter(struct pipe_context *pipe, unsigned buffers, |
const union pipe_color_union *color, |
double depth, unsigned stencil); |
void i915_clear_render(struct pipe_context *pipe, unsigned buffers, |
const union pipe_color_union *color, |
double depth, unsigned stencil); |
void i915_clear_emit(struct pipe_context *pipe, unsigned buffers, |
const union pipe_color_union *color, |
double depth, unsigned stencil, |
unsigned destx, unsigned desty, unsigned width, unsigned height); |
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/*********************************************************************** |
* |
*/ |
void i915_init_state_functions( struct i915_context *i915 ); |
void i915_init_flush_functions( struct i915_context *i915 ); |
void i915_init_string_functions( struct i915_context *i915 ); |
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/************************************************************************ |
* i915_context.c |
*/ |
struct pipe_context *i915_create_context(struct pipe_screen *screen, |
void *priv); |
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/*********************************************************************** |
* Inline conversion functions. These are better-typed than the |
* macros used previously: |
*/ |
static INLINE struct i915_context * |
i915_context( struct pipe_context *pipe ) |
{ |
return (struct i915_context *)pipe; |
} |
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#endif |