Merge vtx-0-2-branch

This commit is contained in:
Keith Whitwell
2003-11-24 15:23:18 +00:00
parent 57c9814b9e
commit ae0eaf93e0
75 changed files with 6087 additions and 8034 deletions

View File

@@ -1,5 +1,5 @@
/*
* Mesa 3-D graphics library
* mesa 3-D graphics library
* Version: 5.1
*
* Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
@@ -37,9 +37,9 @@
* necessary transformations (rotations, clipping, vertex shader etc.)
* and passes then the output to the rasterizer.
*
* The gl_pipeline contains the array of all stages, which should be
* The tnl_pipeline contains the array of all stages, which should be
* applied. Each stage is a black-box, which is described by an
* gl_pipeline_stage. The function ::_tnl_run_pipeline applies all the
* tnl_pipeline_stage. The function ::_tnl_run_pipeline applies all the
* stages to the vertex_buffer TNLcontext::vb, where the vertex data
* is stored. The last stage in the pipeline is the rasterizer.
*
@@ -68,7 +68,6 @@
* into TNLcontext::vb, so that the pipeline can be started.
*/
/* What is ELT? */
#ifndef _T_CONTEXT_H
#define _T_CONTEXT_H
@@ -84,256 +83,346 @@
#define MAX_PIPELINE_STAGES 30
/* Numbers for sizing immediate structs.
enum {
_TNL_ATTRIB_POS = 0,
_TNL_ATTRIB_WEIGHT = 1,
_TNL_ATTRIB_NORMAL = 2,
_TNL_ATTRIB_COLOR0 = 3,
_TNL_ATTRIB_COLOR1 = 4,
_TNL_ATTRIB_FOG = 5,
_TNL_ATTRIB_SIX = 6,
_TNL_ATTRIB_SEVEN = 7,
_TNL_ATTRIB_TEX0 = 8,
_TNL_ATTRIB_TEX1 = 9,
_TNL_ATTRIB_TEX2 = 10,
_TNL_ATTRIB_TEX3 = 11,
_TNL_ATTRIB_TEX4 = 12,
_TNL_ATTRIB_TEX5 = 13,
_TNL_ATTRIB_TEX6 = 14,
_TNL_ATTRIB_TEX7 = 15,
_TNL_ATTRIB_MAT_FRONT_AMBIENT = 16,
_TNL_ATTRIB_MAT_BACK_AMBIENT = 17,
_TNL_ATTRIB_MAT_FRONT_DIFFUSE = 18,
_TNL_ATTRIB_MAT_BACK_DIFFUSE = 19,
_TNL_ATTRIB_MAT_FRONT_SPECULAR = 20,
_TNL_ATTRIB_MAT_BACK_SPECULAR = 21,
_TNL_ATTRIB_MAT_FRONT_EMISSION = 22,
_TNL_ATTRIB_MAT_BACK_EMISSION = 23,
_TNL_ATTRIB_MAT_FRONT_SHININESS = 24,
_TNL_ATTRIB_MAT_BACK_SHININESS = 25,
_TNL_ATTRIB_MAT_FRONT_INDEXES = 26,
_TNL_ATTRIB_MAT_BACK_INDEXES = 27,
_TNL_ATTRIB_INDEX = 28,
_TNL_ATTRIB_EDGEFLAG = 29,
_TNL_ATTRIB_MAX = 30
} ;
/* Will probably have to revise this scheme fairly shortly, eg. by
* compacting all the MAT flags down to one bit, or by using two
* dwords to store the flags.
*/
#define IMM_MAX_COPIED_VERTS 3
#define IMM_MAXDATA (216 + IMM_MAX_COPIED_VERTS)
#define IMM_SIZE (IMM_MAXDATA + MAX_CLIPPED_VERTICES)
#define _TNL_BIT_POS (1<<0)
#define _TNL_BIT_WEIGHT (1<<1)
#define _TNL_BIT_NORMAL (1<<2)
#define _TNL_BIT_COLOR0 (1<<3)
#define _TNL_BIT_COLOR1 (1<<4)
#define _TNL_BIT_FOG (1<<5)
#define _TNL_BIT_SIX (1<<6)
#define _TNL_BIT_SEVEN (1<<7)
#define _TNL_BIT_TEX0 (1<<8)
#define _TNL_BIT_TEX1 (1<<9)
#define _TNL_BIT_TEX2 (1<<10)
#define _TNL_BIT_TEX3 (1<<11)
#define _TNL_BIT_TEX4 (1<<12)
#define _TNL_BIT_TEX5 (1<<13)
#define _TNL_BIT_TEX6 (1<<14)
#define _TNL_BIT_TEX7 (1<<15)
#define _TNL_BIT_MAT_FRONT_AMBIENT (1<<16)
#define _TNL_BIT_MAT_BACK_AMBIENT (1<<17)
#define _TNL_BIT_MAT_FRONT_DIFFUSE (1<<18)
#define _TNL_BIT_MAT_BACK_DIFFUSE (1<<19)
#define _TNL_BIT_MAT_FRONT_SPECULAR (1<<20)
#define _TNL_BIT_MAT_BACK_SPECULAR (1<<21)
#define _TNL_BIT_MAT_FRONT_EMISSION (1<<22)
#define _TNL_BIT_MAT_BACK_EMISSION (1<<23)
#define _TNL_BIT_MAT_FRONT_SHININESS (1<<24)
#define _TNL_BIT_MAT_BACK_SHININESS (1<<25)
#define _TNL_BIT_MAT_FRONT_INDEXES (1<<26)
#define _TNL_BIT_MAT_BACK_INDEXES (1<<27)
#define _TNL_BIT_INDEX (1<<28)
#define _TNL_BIT_EDGEFLAG (1<<29)
#define _TNL_BIT_TEX(u) (1 << (_TNL_ATTRIB_TEX0 + (u)))
/* Values for IM->BeginState
#define _TNL_BITS_MAT_ANY (_TNL_BIT_MAT_FRONT_AMBIENT | \
_TNL_BIT_MAT_BACK_AMBIENT | \
_TNL_BIT_MAT_FRONT_DIFFUSE | \
_TNL_BIT_MAT_BACK_DIFFUSE | \
_TNL_BIT_MAT_FRONT_SPECULAR | \
_TNL_BIT_MAT_BACK_SPECULAR | \
_TNL_BIT_MAT_FRONT_EMISSION | \
_TNL_BIT_MAT_BACK_EMISSION | \
_TNL_BIT_MAT_FRONT_SHININESS | \
_TNL_BIT_MAT_BACK_SHININESS | \
_TNL_BIT_MAT_FRONT_INDEXES | \
_TNL_BIT_MAT_BACK_INDEXES)
#define _TNL_BITS_TEX_ANY (_TNL_BIT_TEX0 | \
_TNL_BIT_TEX1 | \
_TNL_BIT_TEX2 | \
_TNL_BIT_TEX3 | \
_TNL_BIT_TEX4 | \
_TNL_BIT_TEX5 | \
_TNL_BIT_TEX6 | \
_TNL_BIT_TEX7)
#define _TNL_BITS_PROG_ANY (_TNL_BIT_POS | \
_TNL_BIT_WEIGHT | \
_TNL_BIT_NORMAL | \
_TNL_BIT_COLOR0 | \
_TNL_BIT_COLOR1 | \
_TNL_BIT_FOG | \
_TNL_BIT_SIX | \
_TNL_BIT_SEVEN | \
_TNL_BITS_TEX_ANY)
#define PRIM_BEGIN 0x10
#define PRIM_END 0x20
#define PRIM_WEAK 0x40
#define PRIM_MODE_MASK 0x0f
/*
*/
#define VERT_BEGIN_0 0x1 /* glBegin (if initially inside beg/end) */
#define VERT_BEGIN_1 0x2 /* glBegin (if initially outside beg/end) */
#define VERT_ERROR_0 0x4 /* invalid_operation in initial state 0 */
#define VERT_ERROR_1 0x8 /* invalid_operation in initial state 1 */
/* Flags to be added to the primitive enum in VB->Primitive.
*/
#define PRIM_MODE_MASK 0xff /* Extract the actual primitive */
#define PRIM_BEGIN 0x100 /* The prim starts here (not wrapped) */
#define PRIM_END 0x200 /* The prim ends in this VB (does not wrap) */
#define PRIM_PARITY 0x400 /* The prim wrapped on an odd number of verts */
#define PRIM_LAST 0x800 /* No more prims in the VB */
/**
* Flags that describe the inputs and outputs of pipeline stages, and
* the contents of a vertex-cassette. We reuse the VERT_BIT_* flags
* defined in mtypes.h and add a bunch of new ones.
*/
/* bits 0..5 defined in mtypes.h */
#define VERT_BIT_INDEX VERT_BIT_SIX /* a free vertex attrib bit */
#define VERT_BIT_EDGEFLAG VERT_BIT_SEVEN /* a free vertex attrib bit */
/* bits 8..15 defined in mtypes.h */
#define VERT_BIT_EVAL_C1 (1 << 16) /* imm only */
#define VERT_BIT_EVAL_C2 (1 << 17) /* imm only */
#define VERT_BIT_EVAL_P1 (1 << 18) /* imm only */
#define VERT_BIT_EVAL_P2 (1 << 19) /* imm only */
#define VERT_BIT_OBJ_3 (1 << 20) /* imm only */
#define VERT_BIT_OBJ_4 (1 << 21) /* imm only */
#define VERT_BIT_MATERIAL (1 << 22) /* imm only, but tested in vb code */
#define VERT_BIT_ELT (1 << 23) /* imm only */
#define VERT_BIT_BEGIN (1 << 24) /* imm only, but tested in vb code */
#define VERT_BIT_END (1 << 25) /* imm only, but tested in vb code */
#define VERT_BIT_END_VB (1 << 26) /* imm only, but tested in vb code */
#define VERT_BIT_POINT_SIZE (1 << 27) /* vb only, could reuse a bit */
#define VERT_BIT_EYE VERT_BIT_BEGIN /* vb only, reuse imm bit */
#define VERT_BIT_CLIP VERT_BIT_END /* vb only, reuse imm bit*/
/* Flags for IM->TexCoordSize. Enough flags for 16 units.
*/
#define TEX_0_SIZE_3 (unsigned)0x1
#define TEX_0_SIZE_4 (unsigned)0x10001
#define TEX_SIZE_3(unit) (TEX_0_SIZE_3 << (unit))
#define TEX_SIZE_4(unit) (TEX_0_SIZE_4 << (unit))
/* Shorthands.
*/
#define VERT_BITS_OBJ_23 (VERT_BIT_POS | VERT_BIT_OBJ_3)
#define VERT_BITS_OBJ_234 (VERT_BIT_POS | VERT_BIT_OBJ_3 | VERT_BIT_OBJ_4)
#define VERT_BITS_TEX_ANY (VERT_BIT_TEX0 | \
VERT_BIT_TEX1 | \
VERT_BIT_TEX2 | \
VERT_BIT_TEX3 | \
VERT_BIT_TEX4 | \
VERT_BIT_TEX5 | \
VERT_BIT_TEX6 | \
VERT_BIT_TEX7)
#define VERT_BITS_EVAL_ANY (VERT_BIT_EVAL_C1 | VERT_BIT_EVAL_P1 | \
VERT_BIT_EVAL_C2 | VERT_BIT_EVAL_P2)
#define VERT_BITS_FIXUP (VERT_BITS_TEX_ANY | \
VERT_BIT_COLOR0 | \
VERT_BIT_COLOR1 | \
VERT_BIT_FOG | \
VERT_BIT_INDEX | \
VERT_BIT_EDGEFLAG | \
VERT_BIT_NORMAL)
#define VERT_BITS_CURRENT_DATA (VERT_BITS_FIXUP | \
VERT_BIT_MATERIAL)
#define VERT_BITS_DATA (VERT_BITS_TEX_ANY | \
VERT_BIT_COLOR0 | \
VERT_BIT_COLOR1 | \
VERT_BIT_FOG | \
VERT_BIT_INDEX | \
VERT_BIT_EDGEFLAG | \
VERT_BIT_NORMAL | \
VERT_BIT_POS | \
VERT_BIT_MATERIAL | \
VERT_BIT_ELT | \
VERT_BITS_EVAL_ANY)
/**
* \struct immediate
* Stores everything that can take place between a glBegin and glEnd.
* Adjacent glBegin/glEnd pairs are stored back-to-back when there's no
* state changes between them.
* Used for immediate mode rendering and display lists.
*/
struct immediate
{
GLuint id, ref_count;
/* This must be saved when immediates are shared in display lists.
*/
GLuint CopyStart, Start, Count;
GLuint LastData; /* count or count+1 */
GLuint AndFlag, OrFlag;
GLuint TexSize; /* keep track of texcoord sizes */
GLuint BeginState, SavedBeginState;
GLuint LastPrimitive;
GLuint ArrayEltFlags; /* precalc'ed for glArrayElt */
GLuint ArrayEltIncr;
GLuint ArrayEltFlush;
#define FLUSH_ELT_EAGER 0x1
#define FLUSH_ELT_LAZY 0x2
GLuint FlushElt;
GLuint MaxTextureUnits; /* precalc'ed for glMultiTexCoordARB */
/* Temporary values created when vertices are copied into the
* first 3 slots of the struct:
*/
GLuint CopyOrFlag;
GLuint CopyAndFlag;
GLuint CopyTexSize;
GLuint Evaluated;
/* allocate storage for these on demand:
*/
struct gl_material *Material;
GLuint *MaterialMask;
GLuint LastMaterial;
GLuint MaterialOrMask;
GLuint MaterialAndMask;
GLuint Primitive[IMM_SIZE]; /* BEGIN/END */
GLuint PrimitiveLength[IMM_SIZE]; /* BEGIN/END */
GLuint Flag[IMM_SIZE]; /* VERT_BIT_* flags */
/* Attrib is an array [MAX_VERT_ATTRIBS] of pointer to array [][4]
* of GLfloat.
* We only pre-allocate the vertex position array. The other vertex
* attribute arrays are only allocated when needed to save memory.
*/
GLfloat (*Attrib[VERT_ATTRIB_MAX])[4];
GLfloat *NormalLengthPtr; /* length of normal vectors (display list only) */
GLuint Elt[IMM_SIZE];
GLubyte EdgeFlag[IMM_SIZE];
GLuint Index[IMM_SIZE];
struct tnl_prim {
GLuint mode;
GLuint start;
GLuint count;
};
struct vertex_arrays
struct tnl_eval1_map {
struct gl_1d_map *map;
GLuint sz;
};
struct tnl_eval2_map {
struct gl_2d_map *map;
GLuint sz;
};
struct tnl_eval {
GLuint new_state;
struct tnl_eval1_map map1[_TNL_ATTRIB_INDEX + 1];
struct tnl_eval2_map map2[_TNL_ATTRIB_INDEX + 1];
};
#define TNL_MAX_PRIM 16
#define TNL_MAX_COPIED_VERTS 3
struct tnl_copied_vtx {
GLfloat buffer[_TNL_ATTRIB_MAX * 4 * TNL_MAX_COPIED_VERTS];
GLuint nr;
};
#define VERT_BUFFER_SIZE 2048 /* 8kbytes */
typedef void (*attrfv_func)( const GLfloat * );
/* The assembly of vertices in immediate mode is separated from
* display list compilation. This allows a simpler immediate mode
* treatment and a display list compiler better suited to
* hardware-acceleration.
*/
struct tnl_vtx {
GLfloat buffer[VERT_BUFFER_SIZE];
GLubyte attrsz[_TNL_ATTRIB_MAX];
GLuint vertex_size;
struct tnl_prim prim[TNL_MAX_PRIM];
GLuint prim_count;
GLfloat *vbptr; /* cursor, points into buffer */
GLfloat vertex[_TNL_ATTRIB_MAX*4]; /* current vertex */
GLfloat *attrptr[_TNL_ATTRIB_MAX]; /* points into vertex */
GLfloat *current[_TNL_ATTRIB_MAX]; /* points into ctx->Current, etc */
GLuint counter, initial_counter;
struct tnl_copied_vtx copied;
attrfv_func tabfv[_TNL_ATTRIB_MAX][4];
struct tnl_eval eval;
GLboolean *edgeflag_tmp;
};
/* For display lists, this structure holds a run of vertices of the
* same format, and a strictly well-formed set of begin/end pairs,
* starting on the first vertex and ending at the last. Vertex
* copying on buffer breaks is precomputed according to these
* primitives, though there are situations where the copying will need
* correction at execute-time, perhaps by replaying the list as
* immediate mode commands.
*
* On executing this list, the 'current' values may be updated with
* the values of the final vertex, and often no fixup of the start of
* the vertex list is required.
*
* Eval and other commands that don't fit into these vertex lists are
* compiled using the fallback opcode mechanism provided by dlist.c.
*/
struct tnl_vertex_list {
GLubyte attrsz[_TNL_ATTRIB_MAX];
GLuint vertex_size;
GLfloat *buffer;
GLuint count;
GLuint wrap_count; /* number of copied vertices at start */
GLuint dangling_attr_ref; /* current attr implicitly referenced
outside the list */
GLfloat *normal_lengths;
struct tnl_prim *prim;
GLuint prim_count;
struct tnl_vertex_store *vertex_store;
struct tnl_primitive_store *prim_store;
};
/* These buffers should be a reasonable size to support upload to
* hardware? Maybe drivers should stitch them back together, or
* specify a desired size?
*/
#define SAVE_BUFFER_SIZE (16*1024)
#define SAVE_PRIM_SIZE 128
/* Storage to be shared among several vertex_lists.
*/
struct tnl_vertex_store {
GLfloat buffer[SAVE_BUFFER_SIZE];
GLuint used;
GLuint refcount;
};
struct tnl_primitive_store {
struct tnl_prim buffer[SAVE_PRIM_SIZE];
GLuint used;
GLuint refcount;
};
struct tnl_save {
GLubyte attrsz[_TNL_ATTRIB_MAX];
GLuint vertex_size;
GLfloat *buffer;
GLuint count;
GLuint wrap_count;
struct tnl_prim *prim;
GLuint prim_count, prim_max;
struct tnl_vertex_store *vertex_store;
struct tnl_primitive_store *prim_store;
GLfloat *vbptr; /* cursor, points into buffer */
GLfloat vertex[_TNL_ATTRIB_MAX*4]; /* current values */
GLfloat *attrptr[_TNL_ATTRIB_MAX];
GLuint counter, initial_counter;
GLuint dangling_attr_ref;
GLuint opcode_vertex_list;
struct tnl_copied_vtx copied;
GLfloat *current[_TNL_ATTRIB_MAX]; /* points into ctx->ListState */
GLubyte *currentsz[_TNL_ATTRIB_MAX];
void (*tabfv[_TNL_ATTRIB_MAX][4])( const GLfloat * );
};
struct tnl_vertex_arrays
{
/* Conventional vertex attribute arrays */
GLvector4f Obj;
GLvector4f Normal;
struct gl_client_array Color;
struct gl_client_array SecondaryColor;
GLvector4f Color;
GLvector4f SecondaryColor;
GLvector4f FogCoord;
GLvector4f TexCoord[MAX_TEXTURE_COORD_UNITS];
GLvector1ub EdgeFlag;
GLvector1ui Index;
GLvector1ui Elt;
GLvector4f Index;
GLubyte *EdgeFlag;
GLuint *Elt;
/* These attributes don't alias with the conventional attributes.
* The GL_NV_vertex_program extension defines 16 extra sets of vertex
* arrays which have precedent over the conventional arrays when enabled.
*/
GLvector4f Attribs[VERT_ATTRIB_MAX];
GLvector4f Attribs[_TNL_ATTRIB_MAX];
};
/**
* Contains the current state of a running pipeline.
*/
typedef struct vertex_buffer
struct vertex_buffer
{
/* Constant over life of the vertex_buffer.
*/
GLuint Size;
GLuint Size;
/* Constant over the pipeline.
*/
GLuint Count; /* for everything except Elts */
GLuint FirstClipped; /* temp verts for clipping */
GLuint FirstPrimitive; /* usually zero */
GLuint Count; /* for everything except Elts */
/* Pointers to current data.
*/
GLuint *Elts; /* VERT_BIT_ELT */
GLvector4f *ObjPtr; /* VERT_BIT_POS */
GLvector4f *EyePtr; /* VERT_BIT_EYE */
GLvector4f *ClipPtr; /* VERT_BIT_CLIP */
GLvector4f *NdcPtr; /* VERT_BIT_CLIP (2) */
GLubyte ClipOrMask; /* VERT_BIT_CLIP (3) */
GLubyte *ClipMask; /* VERT_BIT_CLIP (4) */
GLvector4f *NormalPtr; /* VERT_BIT_NORMAL */
GLfloat *NormalLengthPtr; /* VERT_BIT_NORMAL */
GLboolean *EdgeFlag; /* VERT_BIT_EDGEFLAG */
GLuint *Elts;
GLvector4f *ObjPtr; /* _TNL_BIT_POS */
GLvector4f *EyePtr; /* _TNL_BIT_POS */
GLvector4f *ClipPtr; /* _TNL_BIT_POS */
GLvector4f *NdcPtr; /* _TNL_BIT_POS */
GLubyte ClipOrMask; /* _TNL_BIT_POS */
GLubyte *ClipMask; /* _TNL_BIT_POS */
GLvector4f *NormalPtr; /* _TNL_BIT_NORMAL */
GLfloat *NormalLengthPtr; /* _TNL_BIT_NORMAL */
GLboolean *EdgeFlag; /* _TNL_BIT_EDGEFLAG */
GLvector4f *TexCoordPtr[MAX_TEXTURE_COORD_UNITS]; /* VERT_TEX_0..n */
GLvector1ui *IndexPtr[2]; /* VERT_BIT_INDEX */
struct gl_client_array *ColorPtr[2]; /* VERT_BIT_COLOR0 */
struct gl_client_array *SecondaryColorPtr[2];/* VERT_BIT_COLOR1 */
GLvector4f *PointSizePtr; /* VERT_BIT_POINT_SIZE */
GLvector4f *FogCoordPtr; /* VERT_BIT_FOG */
struct gl_material *Material; /* VERT_BIT_MATERIAL, optional */
GLuint *MaterialMask; /* VERT_BIT_MATERIAL, optional */
GLuint *Flag; /* VERT_BIT_* flags, optional */
GLuint *Primitive; /* GL_(mode)|PRIM_* flags */
GLuint *PrimitiveLength; /* integers */
GLvector4f *IndexPtr[2]; /* _TNL_BIT_INDEX */
GLvector4f *ColorPtr[2]; /* _TNL_BIT_COLOR0 */
GLvector4f *SecondaryColorPtr[2]; /* _TNL_BIT_COLOR1 */
GLvector4f *PointSizePtr; /* _TNL_BIT_POS */
GLvector4f *FogCoordPtr; /* _TNL_BIT_FOG */
struct tnl_prim *Primitive;
GLuint PrimitiveCount;
/* Inputs to the vertex program stage */
GLvector4f *AttribPtr[VERT_ATTRIB_MAX]; /* GL_NV_vertex_program */
GLuint importable_data;
void *import_source;
void (*import_data)( GLcontext *ctx, GLuint flags, GLuint vecflags );
/* Callback to the provider of the untransformed input for the
* render stage (or other stages) to call if they need to write into
* write-protected arrays, or fixup the stride on input arrays.
*
* This is currently only necessary for client arrays that make it
* as far down the pipeline as the render stage.
*/
GLvector4f *AttribPtr[_TNL_ATTRIB_MAX]; /* GL_NV_vertex_program */
GLuint LastClipped;
/* Private data from _tnl_render_stage that has no business being
* in this struct.
*/
} TNLvertexbuffer;
};
/** Describes an individual operation on the pipeline.
*/
struct gl_pipeline_stage {
struct tnl_pipeline_stage {
const char *name;
GLuint check_state; /* All state referenced in check() --
* When is the pipeline_stage struct
@@ -365,12 +454,12 @@ struct gl_pipeline_stage {
/* Free private data. May not be null.
*/
void (*destroy)( struct gl_pipeline_stage * );
void (*destroy)( struct tnl_pipeline_stage * );
/* Called from _tnl_validate_pipeline(). Must update all fields in
* the pipeline_stage struct for the current state.
*/
void (*check)( GLcontext *ctx, struct gl_pipeline_stage * );
void (*check)( GLcontext *ctx, struct tnl_pipeline_stage * );
/* Called from _tnl_run_pipeline(). The stage.changed_inputs value
* encodes all inputs to thee struct which have changed. If
@@ -380,31 +469,23 @@ struct gl_pipeline_stage {
* Return value: GL_TRUE - keep going
* GL_FALSE - finished pipeline
*/
GLboolean (*run)( GLcontext *ctx, struct gl_pipeline_stage * );
GLboolean (*run)( GLcontext *ctx, struct tnl_pipeline_stage * );
};
/** Contains the array of all pipeline stages.
* The default values are defined at the end of t_pipeline.c */
struct gl_pipeline {
struct tnl_pipeline {
GLuint build_state_trigger; /**< state changes which require build */
GLuint build_state_changes; /**< state changes since last build */
GLuint run_state_changes; /**< state changes since last run */
GLuint run_input_changes; /**< VERT_* changes since last run */
GLuint inputs; /**< VERT_* inputs to pipeline */
/** This array has to end with a NULL-pointer. */
struct gl_pipeline_stage stages[MAX_PIPELINE_STAGES+1];
struct tnl_pipeline_stage stages[MAX_PIPELINE_STAGES+1];
GLuint nr_stages;
};
struct tnl_eval_store {
GLuint EvalMap1Flags;
GLuint EvalMap2Flags;
GLuint EvalMap1AttribFlags; /* GL_NV_vertex_program */
GLuint EvalMap2AttribFlags; /* GL_NV_vertex_program */
GLuint EvalNewState;
struct immediate *im; /* used for temporary data */
};
typedef void (*points_func)( GLcontext *ctx, GLuint first, GLuint last );
@@ -533,50 +614,26 @@ typedef struct {
*/
struct tnl_device_driver Driver;
/* Track whether the module is active.
/* Execute:
*/
GLboolean bound_exec;
/* Display list extensions
struct tnl_vtx vtx;
/* Compile:
*/
GLuint opcode_vertex_cassette;
struct tnl_save save;
/* Pipeline
*/
struct gl_pipeline pipeline;
struct tnl_pipeline pipeline;
struct vertex_buffer vb;
/* GLvectors for binding to vb:
*/
struct vertex_arrays imm_inputs;
struct vertex_arrays array_inputs;
GLuint *tmp_primitive;
GLuint *tmp_primitive_length;
struct tnl_vertex_arrays vtx_inputs;
struct tnl_vertex_arrays save_inputs;
struct tnl_vertex_arrays current;
struct tnl_vertex_arrays array_inputs;
/* Set when executing an internally generated begin/end object. If
* such an object is encountered in a display list, it will be
* replayed only if the list is outside any existing begin/end
* objects.
*/
GLboolean ReplayHardBeginEnd;
/* Note which vertices need copying over succesive immediates.
* Will add save versions to precompute vertex copying where
* possible.
*/
struct immediate *ExecCopySource;
GLuint ExecCopyCount;
GLuint ExecCopyElts[IMM_MAX_COPIED_VERTS];
GLuint ExecCopyTexSize;
GLuint ExecParity;
GLuint DlistPrimitive;
GLuint DlistPrimitiveLength;
GLuint DlistLastPrimitive;
/* Cache a single free immediate (refcount == 0)
*/
struct immediate *freed_immediate;
/* Probably need a better configuration mechanism:
*/
@@ -585,13 +642,8 @@ typedef struct {
GLboolean CalcDListNormalLengths;
GLboolean IsolateMaterials;
/* Derived state and storage for _tnl_eval_vb:
*/
struct tnl_eval_store eval;
/* Functions to be plugged into dispatch when tnl is active.
*/
GLvertexformat vtxfmt;
GLvertexformat exec_vtxfmt;
GLvertexformat save_vtxfmt;
} TNLcontext;
@@ -599,7 +651,6 @@ typedef struct {
#define TNL_CONTEXT(ctx) ((TNLcontext *)(ctx->swtnl_context))
#define TNL_CURRENT_IM(ctx) ((struct immediate *)(ctx->swtnl_im))
#define TYPE_IDX(t) ((t) & 0xf)
@@ -610,21 +661,6 @@ extern void _tnl_MakeCurrent( GLcontext *ctx,
GLframebuffer *readBuffer );
/*
* Macros for fetching current input buffer.
*/
#ifdef THREADS
#define GET_IMMEDIATE struct immediate *IM = TNL_CURRENT_IM(((GLcontext *) (_glapi_Context ? _glapi_Context : _glapi_get_context())))
#define SET_IMMEDIATE(ctx, im) ctx->swtnl_im = (void *)im
#else
extern struct immediate *_tnl_CurrentInput;
#define GET_IMMEDIATE struct immediate *IM = _tnl_CurrentInput
#define SET_IMMEDIATE(ctx, im) \
do { \
ctx->swtnl_im = (void *)im; \
_tnl_CurrentInput = im; \
} while (0)
#endif
#endif