247 lines
9 KiB
C
247 lines
9 KiB
C
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/******************************Module*Header*******************************\
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* Module Name: glarray.h
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*
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* Vertex array states.
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*
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* Created: 2-04-1996
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* Author: Hock San Lee [hockl]
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*
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* Copyright (c) 1996 Microsoft Corporation
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\**************************************************************************/
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#ifndef __glarray_h_
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#define __glarray_h_
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extern GLuint vaEnable[];
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typedef struct
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{
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GLuint iIn;
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GLushort next;
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} VAMAP;
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// Vertex array structures.
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typedef void (FASTCALL *PFNVAELEMENTBATCH)
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(__GLcontext *gc, GLint firstIndex, GLint nVertices);
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typedef void (FASTCALL *PFNVAELEMENTBATCHINDIRECT)
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(__GLcontext *gc, GLint nVertices, VAMAP* indices);
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typedef void (FASTCALL *PFNVAELEMENT)(__GLcontext *gc, GLint i);
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typedef void (APIENTRY *PFNGLVECTOR)(IN const GLvoid *v);
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typedef struct __GLarrayEdgeFlagRec {
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GLuint ibytes;
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GLsizei stride;
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const GLbyte *pointer;
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PFNGLVECTOR pfn;
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PFNGLVECTOR pfnCompile;
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} __GLarrayEdgeFlag;
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typedef struct __GLarrayTexCoordRec {
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GLint size;
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GLenum type;
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GLuint ibytes;
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GLsizei stride;
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const GLbyte *pointer;
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PFNGLVECTOR pfn;
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PFNGLVECTOR pfnCompile;
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} __GLarrayTexCoord;
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typedef struct __GLarrayIndexRec {
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GLenum type;
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GLuint ibytes;
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GLsizei stride;
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const GLbyte *pointer;
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PFNGLVECTOR pfn;
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PFNGLVECTOR pfnCompile;
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} __GLarrayIndex;
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typedef struct __GLarrayColorRec {
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GLint size;
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GLenum type;
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GLuint ibytes;
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GLsizei stride;
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const GLbyte *pointer;
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PFNGLVECTOR pfn;
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PFNGLVECTOR pfnCompile;
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} __GLarrayColor;
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typedef struct __GLarrayNormalRec {
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GLenum type;
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GLuint ibytes;
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GLsizei stride;
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const GLbyte *pointer;
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PFNGLVECTOR pfn;
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PFNGLVECTOR pfnCompile;
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} __GLarrayNormal;
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typedef struct __GLarrayVertexRec {
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GLint size;
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GLenum type;
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GLuint ibytes;
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GLsizei stride;
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const GLbyte *pointer;
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PFNGLVECTOR pfn;
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PFNGLVECTOR pfnCompile;
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} __GLarrayVertex;
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// Vertex array states.
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typedef struct __GLvertexArrayRec {
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GLuint flags;
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GLuint mask;
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PFNVAELEMENT pfnArrayElement;
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PFNVAELEMENTBATCH pfnArrayElementBatch;
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PFNVAELEMENTBATCHINDIRECT pfnArrayElementBatchIndirect;
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__GLarrayEdgeFlag edgeFlag;
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__GLarrayTexCoord texCoord;
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__GLarrayIndex index;
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__GLarrayColor color;
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__GLarrayNormal normal;
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__GLarrayVertex vertex;
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} __GLvertexArray;
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// Vertex array flags.
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#define __GL_VERTEX_ARRAY_DIRTY 0x0001
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// Mask that encapsulates the current vertex array settings.
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// It is maintained in the mask field in __GLvertexArray.
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// The mask is given in the following binary form in 24 bits:
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//
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// VeVsVsVtVtNeNtNtNtCeCsCtCtCtIeItItItTeTsTsTtTtEe
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// 232221201918171615141312111009080706050403020100
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//
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// where V:vertex pointer,
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// N:normal pointer,
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// C:color pointer,
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// I:index pointer,
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// T:texture coord pointer,
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// E:edge flag pointer,
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// e:enable flag,
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// s:size field,
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// t:type field.
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#define VAMASK_EDGEFLAG_ENABLE_SHIFT 0
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#define VAMASK_TEXCOORD_TYPE_SHIFT 1
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#define VAMASK_TEXCOORD_SIZE_SHIFT 3
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#define VAMASK_TEXCOORD_ENABLE_SHIFT 5
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#define VAMASK_INDEX_TYPE_SHIFT 6
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#define VAMASK_INDEX_ENABLE_SHIFT 9
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#define VAMASK_COLOR_TYPE_SHIFT 10
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#define VAMASK_COLOR_SIZE_SHIFT 13
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#define VAMASK_COLOR_ENABLE_SHIFT 14
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#define VAMASK_NORMAL_TYPE_SHIFT 15
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#define VAMASK_NORMAL_ENABLE_SHIFT 18
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#define VAMASK_VERTEX_TYPE_SHIFT 19
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#define VAMASK_VERTEX_SIZE_SHIFT 21
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#define VAMASK_VERTEX_ENABLE_SHIFT 23
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#define VAMASK_EDGEFLAG_ENABLE_MASK (1 << VAMASK_EDGEFLAG_ENABLE_SHIFT)
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#define VAMASK_TEXCOORD_TYPE_MASK (3 << VAMASK_TEXCOORD_TYPE_SHIFT)
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#define VAMASK_TEXCOORD_SIZE_MASK (3 << VAMASK_TEXCOORD_SIZE_SHIFT)
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#define VAMASK_TEXCOORD_ENABLE_MASK (1 << VAMASK_TEXCOORD_ENABLE_SHIFT)
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#define VAMASK_INDEX_TYPE_MASK (7 << VAMASK_INDEX_TYPE_SHIFT)
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#define VAMASK_INDEX_ENABLE_MASK (1 << VAMASK_INDEX_ENABLE_SHIFT)
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#define VAMASK_COLOR_TYPE_MASK (7 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_SIZE_MASK (1 << VAMASK_COLOR_SIZE_SHIFT)
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#define VAMASK_COLOR_ENABLE_MASK (1 << VAMASK_COLOR_ENABLE_SHIFT)
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#define VAMASK_NORMAL_TYPE_MASK (7 << VAMASK_NORMAL_TYPE_SHIFT)
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#define VAMASK_NORMAL_ENABLE_MASK (1 << VAMASK_NORMAL_ENABLE_SHIFT)
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#define VAMASK_VERTEX_TYPE_MASK (3 << VAMASK_VERTEX_TYPE_SHIFT)
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#define VAMASK_VERTEX_SIZE_MASK (3 << VAMASK_VERTEX_SIZE_SHIFT)
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#define VAMASK_VERTEX_ENABLE_MASK (1 << VAMASK_VERTEX_ENABLE_SHIFT)
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#define VAMASK_EDGEFLAG_TYPE_SIZE_MASK \
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(0)
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#define VAMASK_TEXCOORD_TYPE_SIZE_MASK \
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(VAMASK_TEXCOORD_TYPE_MASK | VAMASK_TEXCOORD_SIZE_MASK)
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#define VAMASK_INDEX_TYPE_SIZE_MASK \
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(VAMASK_INDEX_TYPE_MASK)
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#define VAMASK_COLOR_TYPE_SIZE_MASK \
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(VAMASK_COLOR_TYPE_MASK | VAMASK_COLOR_SIZE_MASK)
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#define VAMASK_NORMAL_TYPE_SIZE_MASK \
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(VAMASK_NORMAL_TYPE_MASK)
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#define VAMASK_VERTEX_TYPE_SIZE_MASK \
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(VAMASK_VERTEX_TYPE_MASK | VAMASK_VERTEX_SIZE_MASK)
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#define VAMASK_TEXCOORD_TYPE_SHORT (0 << VAMASK_TEXCOORD_TYPE_SHIFT)
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#define VAMASK_TEXCOORD_TYPE_INT (1 << VAMASK_TEXCOORD_TYPE_SHIFT)
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#define VAMASK_TEXCOORD_TYPE_FLOAT (2 << VAMASK_TEXCOORD_TYPE_SHIFT)
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#define VAMASK_TEXCOORD_TYPE_DOUBLE (3 << VAMASK_TEXCOORD_TYPE_SHIFT)
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#define VAMASK_TEXCOORD_SIZE_1 (0 << VAMASK_TEXCOORD_SIZE_SHIFT)
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#define VAMASK_TEXCOORD_SIZE_2 (1 << VAMASK_TEXCOORD_SIZE_SHIFT)
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#define VAMASK_TEXCOORD_SIZE_3 (2 << VAMASK_TEXCOORD_SIZE_SHIFT)
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#define VAMASK_TEXCOORD_SIZE_4 (3 << VAMASK_TEXCOORD_SIZE_SHIFT)
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#define VAMASK_INDEX_TYPE_UBYTE (0 << VAMASK_INDEX_TYPE_SHIFT)
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#define VAMASK_INDEX_TYPE_SHORT (1 << VAMASK_INDEX_TYPE_SHIFT)
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#define VAMASK_INDEX_TYPE_INT (2 << VAMASK_INDEX_TYPE_SHIFT)
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#define VAMASK_INDEX_TYPE_FLOAT (3 << VAMASK_INDEX_TYPE_SHIFT)
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#define VAMASK_INDEX_TYPE_DOUBLE (4 << VAMASK_INDEX_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_BYTE (0 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_UBYTE (1 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_SHORT (2 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_USHORT (3 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_INT (4 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_UINT (5 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_FLOAT (6 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_TYPE_DOUBLE (7 << VAMASK_COLOR_TYPE_SHIFT)
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#define VAMASK_COLOR_SIZE_3 (0 << VAMASK_COLOR_SIZE_SHIFT)
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#define VAMASK_COLOR_SIZE_4 (1 << VAMASK_COLOR_SIZE_SHIFT)
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#define VAMASK_NORMAL_TYPE_BYTE (0 << VAMASK_NORMAL_TYPE_SHIFT)
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#define VAMASK_NORMAL_TYPE_SHORT (1 << VAMASK_NORMAL_TYPE_SHIFT)
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#define VAMASK_NORMAL_TYPE_INT (2 << VAMASK_NORMAL_TYPE_SHIFT)
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#define VAMASK_NORMAL_TYPE_FLOAT (3 << VAMASK_NORMAL_TYPE_SHIFT)
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#define VAMASK_NORMAL_TYPE_DOUBLE (4 << VAMASK_NORMAL_TYPE_SHIFT)
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#define VAMASK_VERTEX_TYPE_SHORT (0 << VAMASK_VERTEX_TYPE_SHIFT)
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#define VAMASK_VERTEX_TYPE_INT (1 << VAMASK_VERTEX_TYPE_SHIFT)
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#define VAMASK_VERTEX_TYPE_FLOAT (2 << VAMASK_VERTEX_TYPE_SHIFT)
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#define VAMASK_VERTEX_TYPE_DOUBLE (3 << VAMASK_VERTEX_TYPE_SHIFT)
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#define VAMASK_VERTEX_SIZE_2 (0 << VAMASK_VERTEX_SIZE_SHIFT)
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#define VAMASK_VERTEX_SIZE_3 (1 << VAMASK_VERTEX_SIZE_SHIFT)
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#define VAMASK_VERTEX_SIZE_4 (2 << VAMASK_VERTEX_SIZE_SHIFT)
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// Constants used by DrawElements. Do not modify them because
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// glcltDrawElements assumes they have these values!
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#define VA_DRAWELEM_MAP_SIZE 256
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#define VA_DRAWELEM_INDEX_SIZE (8*VA_DRAWELEM_MAP_SIZE)
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// Constants used by DrawRangeElementsEXT : currently these map identically
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// with DrawElements constants.
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#define VA_DRAWRANGEELEM_MAX_VERTICES VA_DRAWELEM_MAP_SIZE
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#define VA_DRAWRANGEELEM_MAX_INDICES VA_DRAWELEM_INDEX_SIZE
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void FASTCALL __glInitVertexArray(__GLcontext *gc);
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void FASTCALL VA_ValidateArrayPointers(__GLcontext *gc);
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void FASTCALL VA_DrawElementsBegin(POLYARRAY *pa, GLenum mode, GLsizei count);
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void FASTCALL VA_DrawElementsEnd(POLYARRAY *pa);
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void FASTCALL VA_DrawElementsFlushPartialPrimitive(POLYARRAY *pa, GLenum mode);
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extern GLint nReservedIndicesPartialBegin[];
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typedef void (FASTCALL *pfnReducedElementsHandler)
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(__GLcontext *gc, GLenum mode,
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GLsizei iVertexCount, GLsizei iVertexBase, VAMAP *pvmVertices,
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GLsizei iElementCount, GLubyte *pbElements,
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GLboolean fPartial);
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void FASTCALL glcltReducedElementsHandler(__GLcontext *gc,
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GLenum mode,
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GLsizei iVertexCount,
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GLsizei iVertexBase,
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VAMAP *pvmVertices,
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GLsizei iElementCount,
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GLubyte *pbElements,
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GLboolean fPartial);
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void FASTCALL ReduceDrawElements(__GLcontext *gc,
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GLenum mode, GLsizei count, GLenum type,
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const GLvoid *pIn,
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pfnReducedElementsHandler pfnHandler);
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#endif // __glarray_h_
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