-/* $Id: t_context.h,v 1.36 2002/01/06 03:54:12 brianp Exp $ */
+/* $Id: t_context.h,v 1.44 2003/01/14 04:55:47 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 4.1
+ * Version: 5.1
*
* Copyright (C) 1999-2002 Brian Paul All Rights Reserved.
*
* BRIAN PAUL 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.
- *
- * Author:
- * Keith Whitwell <keithw@valinux.com>
+ */
+
+/**
+ * \file t_context.h
+ * \brief TnL module datatypes and definitions.
+ * \author Keith Whitwell
*/
#ifndef _T_CONTEXT_H
/* 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 */
+#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.
- *
- * 5 spare flags, rearrangement of eval flags can secure at least 3
- * more.
+/**
+ * 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.
*/
-#define VERT_OBJ_BIT _NEW_ARRAY_VERTEX
-#define VERT_WEIGHT_BIT _NEW_ARRAY_WEIGHT /* unused */
-#define VERT_NORMAL_BIT _NEW_ARRAY_NORMAL
-#define VERT_COLOR0_BIT _NEW_ARRAY_COLOR0
-#define VERT_COLOR1_BIT _NEW_ARRAY_COLOR1
-#define VERT_FOG_BIT _NEW_ARRAY_FOGCOORD
-#define VERT_INDEX_BIT _NEW_ARRAY_INDEX
-#define VERT_EDGEFLAG_BIT _NEW_ARRAY_EDGEFLAG
-#define VERT_TEX0_BIT _NEW_ARRAY_TEXCOORD_0
-#define VERT_TEX1_BIT _NEW_ARRAY_TEXCOORD_1
-#define VERT_TEX2_BIT _NEW_ARRAY_TEXCOORD_2
-#define VERT_TEX3_BIT _NEW_ARRAY_TEXCOORD_3
-#define VERT_TEX4_BIT _NEW_ARRAY_TEXCOORD_4
-#define VERT_TEX5_BIT _NEW_ARRAY_TEXCOORD_5
-#define VERT_TEX6_BIT _NEW_ARRAY_TEXCOORD_6
-#define VERT_TEX7_BIT _NEW_ARRAY_TEXCOORD_7
-#define VERT_EVAL_C1 0x10000 /* imm only */
-#define VERT_EVAL_C2 0x20000 /* imm only */
-#define VERT_EVAL_P1 0x40000 /* imm only */
-#define VERT_EVAL_P2 0x80000 /* imm only */
-#define VERT_OBJ_3 0x100000 /* imm only */
-#define VERT_OBJ_4 0x200000 /* imm only */
-#define VERT_MATERIAL 0x400000 /* imm only, but tested in vb code */
-#define VERT_ELT 0x800000 /* imm only */
-#define VERT_BEGIN 0x1000000 /* imm only, but tested in vb code */
-#define VERT_END 0x2000000 /* imm only, but tested in vb code */
-#define VERT_END_VB 0x4000000 /* imm only, but tested in vb code */
-#define VERT_POINT_SIZE 0x8000000 /* vb only, could reuse a bit */
-#define VERT_EYE VERT_BEGIN /* vb only, reuse imm bit */
-#define VERT_CLIP VERT_END /* vb only, reuse imm bit*/
-
+/* 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 0x1
-#define TEX_0_SIZE_4 0x10001
+#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_EVAL_ANY (VERT_EVAL_C1 | VERT_EVAL_P1 | \
- VERT_EVAL_C2 | VERT_EVAL_P2)
-
-#define VERT_OBJ_23 (VERT_OBJ_3 | VERT_OBJ_BIT)
-#define VERT_OBJ_234 (VERT_OBJ_4 | VERT_OBJ_23)
-
-#define VERT_TEX0_BIT_SHIFT 11
-
-#define VERT_TEX(i) (VERT_TEX0_BIT << (i))
-
-#define VERT_TEX_ANY (VERT_TEX0_BIT | \
- VERT_TEX1_BIT | \
- VERT_TEX2_BIT | \
- VERT_TEX3_BIT | \
- VERT_TEX4_BIT | \
- VERT_TEX5_BIT | \
- VERT_TEX6_BIT | \
- VERT_TEX7_BIT)
-
-#define VERT_FIXUP (VERT_TEX_ANY | \
- VERT_COLOR0_BIT | \
- VERT_COLOR1_BIT | \
- VERT_FOG_BIT | \
- VERT_INDEX_BIT | \
- VERT_EDGEFLAG_BIT | \
- VERT_NORMAL_BIT)
-
-#define VERT_CURRENT_DATA (VERT_FIXUP | \
- VERT_MATERIAL)
-
-#define VERT_DATA (VERT_TEX_ANY | \
- VERT_COLOR0_BIT | \
- VERT_COLOR1_BIT | \
- VERT_FOG_BIT | \
- VERT_INDEX_BIT | \
- VERT_EDGEFLAG_BIT | \
- VERT_NORMAL_BIT | \
- VERT_OBJ_BIT | \
- VERT_MATERIAL | \
- VERT_ELT | \
- VERT_EVAL_ANY)
-
-
-/* KW: Represents everything that can take place between a begin and
+#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)
+
+
+/**
+ * KW: Represents everything that can take place between a begin and
* end, and can represent multiple begin/end pairs. Can be used to
* losslessly encode this information in display lists.
*/
struct immediate
{
- struct __GLcontextRec *backref;
GLuint id, ref_count;
/* This must be saved when immediates are shared in display lists.
GLuint MaterialOrMask;
GLuint MaterialAndMask;
- GLuint Primitive[IMM_SIZE]; /* BEGIN/END */
+ GLuint Primitive[IMM_SIZE]; /* BEGIN/END */
GLuint PrimitiveLength[IMM_SIZE]; /* BEGIN/END */
- GLuint Flag[IMM_SIZE]; /* VERT_* flags */
+ GLuint Flag[IMM_SIZE]; /* VERT_BIT_* flags */
/* All vertex attributes (position, normal, color, secondary color,
* texcoords, fog coord) are stored in the Attrib[] arrays instead
struct vertex_arrays
{
+ /* XXX move a bunch of these fields into the Attribs[] array??? */
GLvector4f Obj;
GLvector4f Normal;
struct gl_client_array Color;
struct gl_client_array SecondaryColor;
GLvector1ui Index;
GLvector1ub EdgeFlag;
- GLvector4f TexCoord[MAX_TEXTURE_UNITS];
+ GLvector4f TexCoord[MAX_TEXTURE_COORD_UNITS];
GLvector1ui Elt;
GLvector4f FogCoord;
GLvector4f Attribs[VERT_ATTRIB_MAX];
};
-typedef struct gl_material GLmaterial;
-
-/* Contains the current state of a running pipeline.
+/**
+ * Contains the current state of a running pipeline.
*/
typedef struct vertex_buffer
{
/* Pointers to current data.
*/
- GLuint *Elts; /* VERT_ELT */
- GLvector4f *ObjPtr; /* VERT_OBJ_BIT */
- GLvector4f *EyePtr; /* VERT_EYE */
- GLvector4f *ClipPtr; /* VERT_CLIP */
- GLvector4f *NdcPtr; /* VERT_CLIP (2) */
- GLubyte ClipOrMask; /* VERT_CLIP (3) */
- GLubyte *ClipMask; /* VERT_CLIP (4) */
- GLvector4f *NormalPtr; /* VERT_NORMAL_BIT */
- GLfloat *NormalLengthPtr; /* VERT_NORMAL_BIT */
- GLboolean *EdgeFlag; /* VERT_EDGEFLAG_BIT */
- GLvector4f *TexCoordPtr[MAX_TEXTURE_UNITS]; /* VERT_TEX_0..n */
- GLvector1ui *IndexPtr[2]; /* VERT_INDEX_BIT */
- struct gl_client_array *ColorPtr[2]; /* VERT_COLOR0_BIT */
- struct gl_client_array *SecondaryColorPtr[2];/* VERT_COLOR1_BIT */
- GLvector4f *PointSizePtr; /* VERT_POINT_SIZE */
- GLvector4f *FogCoordPtr; /* VERT_FOG_BIT */
- GLmaterial (*Material)[2]; /* VERT_MATERIAL, optional */
- GLuint *MaterialMask; /* VERT_MATERIAL, optional */
- GLuint *Flag; /* VERT_* flags, optional */
- GLuint *Primitive; /* GL_(mode)|PRIM_* flags */
- GLuint *PrimitiveLength; /* integers */
+ 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 */
+ 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)[2]; /* 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 */
/* Inputs to the vertex program stage */
GLvector4f *AttribPtr[VERT_ATTRIB_MAX]; /* GL_NV_vertex_program */
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 */
};
* and grab/release hardware locks.
*/
+ void (*NotifyMaterialChange)(GLcontext *ctx);
+ /* Alert tnl-aware drivers of changes to material.
+ */
+
+ GLboolean (*NotifyBegin)(GLcontext *ctx, GLenum p);
+ /* Allow drivers to hook in optimized begin/end engines.
+ * Return value: GL_TRUE - driver handled the begin
+ * GL_FALSE - driver didn't handle the begin
+ */
+
/***
*** Rendering -- These functions called only from t_vb_render.c
***/
GLboolean NeedNdcCoords;
GLboolean LoopbackDListCassettes;
GLboolean CalcDListNormalLengths;
+ GLboolean IsolateMaterials;
/* Derived state and storage for _tnl_eval_vb:
*/
/* Functions to be plugged into dispatch when tnl is active.
*/
GLvertexformat vtxfmt;
+ GLvertexformat save_vtxfmt;
} TNLcontext;