#include <stdio.h>

#include "state.h"

#include "state/cr_statetypes.h"

#include "state_internals.h"

#include "cr_error.h"

#include "cr_mem.h"

void crStateAttribInit (CRAttribState *a)

{

int i;

a->attribStackDepth = 0;

a->accumBufferStackDepth = 0;

a->colorBufferStackDepth = 0;

a->currentStackDepth = 0;

a->depthBufferStackDepth = 0;

a->enableStackDepth = 0;

for ( i = 0 ; i < CR_MAX_ATTRIB_STACK_DEPTH ; i++)

{

a->enableStack[i].clip = NULL;

a->enableStack[i].light = NULL;

a->lightingStack[i].light = NULL;

a->transformStack[i].clip = NULL;

a->transformStack[i].clipPlane = NULL;

}

a->evalStackDepth = 0;

a->fogStackDepth = 0;

a->lightingStackDepth = 0;

a->lineStackDepth = 0;

a->listStackDepth = 0;

a->pixelModeStackDepth = 0;

a->pointStackDepth = 0;

a->polygonStackDepth = 0;

a->polygonStippleStackDepth = 0;

a->scissorStackDepth = 0;

a->stencilBufferStackDepth = 0;

a->textureStackDepth = 0;

a->transformStackDepth = 0;

a->viewportStackDepth = 0;

}

static void

copy_texunit(CRTextureUnit *dest, const CRTextureUnit *src)

{

dest->enabled1D = src->enabled1D;

dest->enabled2D = src->enabled2D;

dest->enabled3D = src->enabled3D;

dest->enabledCubeMap = src->enabledCubeMap;

dest->envMode = src->envMode;

dest->envColor = src->envColor;

dest->textureGen = src->textureGen;

dest->objSCoeff = src->objSCoeff;

dest->objTCoeff = src->objTCoeff;

dest->objRCoeff = src->objRCoeff;

dest->objQCoeff = src->objQCoeff;

dest->eyeSCoeff = src->eyeSCoeff;

dest->eyeTCoeff = src->eyeTCoeff;

dest->eyeRCoeff = src->eyeRCoeff;

dest->eyeQCoeff = src->eyeQCoeff;

dest->gen = src->gen;

dest->currentTexture1D = src->currentTexture1D;

dest->currentTexture2D = src->currentTexture2D;

dest->currentTexture3D = src->currentTexture3D;

dest->currentTextureCubeMap = src->currentTextureCubeMap;

}

static void

copy_texobj(CRTextureObj *dest, CRTextureObj *src, GLboolean copyName)

{

if (copyName)

{

dest->id = src->id;

dest->hwid = crStateGetTextureObjHWID(src);

}

dest->borderColor = src->borderColor;

dest->wrapS = src->wrapS;

dest->wrapT = src->wrapT;

dest->minFilter = src->minFilter;

dest->magFilter = src->magFilter;

#ifdef CR_OPENGL_VERSION_1_2

dest->priority = src->priority;

dest->wrapR = src->wrapR;

dest->minLod = src->minLod;

dest->maxLod = src->maxLod;

dest->baseLevel = src->baseLevel;

dest->maxLevel = src->maxLevel;

#endif

#ifdef CR_EXT_texture_filter_anisotropic

dest->maxAnisotropy = src->maxAnisotropy;

#endif

}

void STATE_APIENTRY crStatePushAttrib(GLbitfield mask)

{

CRContext *g = GetCurrentContext();

CRAttribState *a = &(g->attrib);

CRStateBits *sb = GetCurrentBits();

CRAttribBits *ab = &(sb->attrib);

unsigned int i;

if (g->current.inBeginEnd)

{

crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glPushAttrib called in Begin/End");

return;

}

if (a->attribStackDepth == CR_MAX_ATTRIB_STACK_DEPTH - 1)

{

crStateError(__LINE__, __FILE__, GL_STACK_OVERFLOW, "glPushAttrib called with a full stack!" );

return;

}

FLUSH();

a->pushMaskStack[a->attribStackDepth++] = mask;

if (mask & GL_ACCUM_BUFFER_BIT)

{

a->accumBufferStack[a->accumBufferStackDepth].accumClearValue = g->buffer.accumClearValue;

a->accumBufferStackDepth++;

}

if (mask & GL_COLOR_BUFFER_BIT)

{

a->colorBufferStack[a->colorBufferStackDepth].alphaTest = g->buffer.alphaTest;

a->colorBufferStack[a->colorBufferStackDepth].alphaTestFunc = g->buffer.alphaTestFunc;

a->colorBufferStack[a->colorBufferStackDepth].alphaTestRef = g->buffer.alphaTestRef;

a->colorBufferStack[a->colorBufferStackDepth].blend = g->buffer.blend;

a->colorBufferStack[a->colorBufferStackDepth].blendSrcRGB = g->buffer.blendSrcRGB;

a->colorBufferStack[a->colorBufferStackDepth].blendDstRGB = g->buffer.blendDstRGB;

#if defined(CR_EXT_blend_func_separate)

a->colorBufferStack[a->colorBufferStackDepth].blendSrcA = g->buffer.blendSrcA;

a->colorBufferStack[a->colorBufferStackDepth].blendDstA = g->buffer.blendDstA;

#endif

#ifdef CR_EXT_blend_color

a->colorBufferStack[a->colorBufferStackDepth].blendColor = g->buffer.blendColor;

#endif

#if defined(CR_EXT_blend_minmax) || defined(CR_EXT_blend_subtract) || defined(CR_EXT_blend_logic_op)

a->colorBufferStack[a->colorBufferStackDepth].blendEquation = g->buffer.blendEquation;

#endif

a->colorBufferStack[a->colorBufferStackDepth].dither = g->buffer.dither;

a->colorBufferStack[a->colorBufferStackDepth].drawBuffer = g->buffer.drawBuffer;

a->colorBufferStack[a->colorBufferStackDepth].logicOp = g->buffer.logicOp;

a->colorBufferStack[a->colorBufferStackDepth].indexLogicOp = g->buffer.indexLogicOp;

a->colorBufferStack[a->colorBufferStackDepth].logicOpMode = g->buffer.logicOpMode;

a->colorBufferStack[a->colorBufferStackDepth].colorClearValue = g->buffer.colorClearValue;

a->colorBufferStack[a->colorBufferStackDepth].indexClearValue = g->buffer.indexClearValue;

a->colorBufferStack[a->colorBufferStackDepth].colorWriteMask = g->buffer.colorWriteMask;

a->colorBufferStack[a->colorBufferStackDepth].indexWriteMask = g->buffer.indexWriteMask;

a->colorBufferStackDepth++;

}

if (mask & GL_CURRENT_BIT)

{

for (i = 0 ; i < CR_MAX_VERTEX_ATTRIBS ; i++)

{

COPY_4V(a->currentStack[a->currentStackDepth].attrib[i] , g->current.vertexAttrib[i]);

COPY_4V(a->currentStack[a->currentStackDepth].rasterAttrib[i] , g->current.rasterAttrib[i]);

}

a->currentStack[a->currentStackDepth].rasterValid = g->current.rasterValid;

a->currentStack[a->currentStackDepth].edgeFlag = g->current.edgeFlag;

a->currentStack[a->currentStackDepth].colorIndex = g->current.colorIndex;

a->currentStackDepth++;

}

if (mask & GL_DEPTH_BUFFER_BIT)

{

a->depthBufferStack[a->depthBufferStackDepth].depthTest = g->buffer.depthTest;

a->depthBufferStack[a->depthBufferStackDepth].depthFunc = g->buffer.depthFunc;

a->depthBufferStack[a->depthBufferStackDepth].depthClearValue = g->buffer.depthClearValue;

a->depthBufferStack[a->depthBufferStackDepth].depthMask = g->buffer.depthMask;

a->depthBufferStackDepth++;

}

if (mask & GL_ENABLE_BIT)

{

if (a->enableStack[a->enableStackDepth].clip == NULL)

{

a->enableStack[a->enableStackDepth].clip = (GLboolean *) crCalloc( g->limits.maxClipPlanes * sizeof( GLboolean ));

}

if (a->enableStack[a->enableStackDepth].light == NULL)

{

a->enableStack[a->enableStackDepth].light = (GLboolean *) crCalloc( g->limits.maxLights * sizeof( GLboolean ));

}

a->enableStack[a->enableStackDepth].alphaTest = g->buffer.alphaTest;

a->enableStack[a->enableStackDepth].autoNormal = g->eval.autoNormal;

a->enableStack[a->enableStackDepth].blend = g->buffer.blend;

for (i = 0 ; i < g->limits.maxClipPlanes ; i++)

{

a->enableStack[a->enableStackDepth].clip[i] = g->transform.clip[i];

}

a->enableStack[a->enableStackDepth].colorMaterial = g->lighting.colorMaterial;

a->enableStack[a->enableStackDepth].cullFace = g->polygon.cullFace;

a->enableStack[a->enableStackDepth].depthTest = g->buffer.depthTest;

a->enableStack[a->enableStackDepth].dither = g->buffer.dither;

a->enableStack[a->enableStackDepth].fog = g->fog.enable;

for (i = 0 ; i < g->limits.maxLights ; i++)

{

a->enableStack[a->enableStackDepth].light[i] = g->lighting.light[i].enable;

}

a->enableStack[a->enableStackDepth].lighting = g->lighting.lighting;

a->enableStack[a->enableStackDepth].lineSmooth = g->line.lineSmooth;

a->enableStack[a->enableStackDepth].lineStipple = g->line.lineStipple;

a->enableStack[a->enableStackDepth].logicOp = g->buffer.logicOp;

a->enableStack[a->enableStackDepth].indexLogicOp = g->buffer.indexLogicOp;

for (i = 0 ; i < GLEVAL_TOT ; i++)

{

a->enableStack[a->enableStackDepth].map1[i] = g->eval.enable1D[i];

a->enableStack[a->enableStackDepth].map2[i] = g->eval.enable2D[i];

}

a->enableStack[a->enableStackDepth].normalize = g->transform.normalize;

a->enableStack[a->enableStackDepth].pointSmooth = g->point.pointSmooth;

#if CR_ARB_point_sprite

a->enableStack[a->enableStackDepth].pointSprite = g->point.pointSprite;

for (i = 0; i < CR_MAX_TEXTURE_UNITS; i++)

a->enableStack[a->enableStackDepth].coordReplacement[i] = g->point.coordReplacement[i];

#endif

a->enableStack[a->enableStackDepth].polygonOffsetLine = g->polygon.polygonOffsetLine;

a->enableStack[a->enableStackDepth].polygonOffsetFill = g->polygon.polygonOffsetFill;

a->enableStack[a->enableStackDepth].polygonOffsetPoint = g->polygon.polygonOffsetPoint;

a->enableStack[a->enableStackDepth].polygonSmooth = g->polygon.polygonSmooth;

a->enableStack[a->enableStackDepth].polygonStipple = g->polygon.polygonStipple;

#ifdef CR_OPENGL_VERSION_1_2

a->enableStack[a->enableStackDepth].rescaleNormals = g->transform.rescaleNormals;

#endif

a->enableStack[a->enableStackDepth].scissorTest = g->viewport.scissorTest;

a->enableStack[a->enableStackDepth].stencilTest = g->stencil.stencilTest;

for (i = 0 ; i < g->limits.maxTextureUnits; i++)

{

a->enableStack[a->enableStackDepth].texture1D[i] = g->texture.unit[i].enabled1D;

a->enableStack[a->enableStackDepth].texture2D[i] = g->texture.unit[i].enabled2D;

#ifdef CR_OPENGL_VERSION_1_2

a->enableStack[a->enableStackDepth].texture3D[i] = g->texture.unit[i].enabled3D;

#endif

#ifdef CR_ARB_texture_cube_map

a->enableStack[a->enableStackDepth].textureCubeMap[i] = g->texture.unit[i].enabledCubeMap;

#endif

#ifdef CR_NV_texture_rectangle

a->enableStack[a->enableStackDepth].textureRect[i] = g->texture.unit[i].enabledRect;

#endif

a->enableStack[a->enableStackDepth].textureGenS[i] = g->texture.unit[i].textureGen.s;

a->enableStack[a->enableStackDepth].textureGenT[i] = g->texture.unit[i].textureGen.t;

a->enableStack[a->enableStackDepth].textureGenR[i] = g->texture.unit[i].textureGen.r;

a->enableStack[a->enableStackDepth].textureGenQ[i] = g->texture.unit[i].textureGen.q;

}

a->enableStackDepth++;

}

if (mask & GL_EVAL_BIT)

{

for (i = 0 ; i < GLEVAL_TOT ; i++)

{

int size1 = g->eval.eval1D[i].order * gleval_sizes[i] *

sizeof (GLfloat);

int size2 = g->eval.eval2D[i].uorder * g->eval.eval2D[i].vorder *

gleval_sizes[i] * sizeof (GLfloat);

a->evalStack[a->evalStackDepth].enable1D[i] = g->eval.enable1D[i];

a->evalStack[a->evalStackDepth].enable2D[i] = g->eval.enable2D[i];

a->evalStack[a->evalStackDepth].eval1D[i].u1 = g->eval.eval1D[i].u1;

a->evalStack[a->evalStackDepth].eval1D[i].u2 = g->eval.eval1D[i].u2;

a->evalStack[a->evalStackDepth].eval1D[i].order = g->eval.eval1D[i].order;

a->evalStack[a->evalStackDepth].eval1D[i].coeff = (GLfloat*)crCalloc(size1);

crMemcpy(a->evalStack[a->evalStackDepth].eval1D[i].coeff, g->eval.eval1D[i].coeff, size1);

a->evalStack[a->evalStackDepth].eval2D[i].u1 = g->eval.eval2D[i].u1;

a->evalStack[a->evalStackDepth].eval2D[i].u2 = g->eval.eval2D[i].u2;

a->evalStack[a->evalStackDepth].eval2D[i].v1 = g->eval.eval2D[i].v1;

a->evalStack[a->evalStackDepth].eval2D[i].v2 = g->eval.eval2D[i].v2;

a->evalStack[a->evalStackDepth].eval2D[i].uorder = g->eval.eval2D[i].uorder;

a->evalStack[a->evalStackDepth].eval2D[i].vorder = g->eval.eval2D[i].vorder;

a->evalStack[a->evalStackDepth].eval2D[i].coeff = (GLfloat*)crCalloc(size2);

crMemcpy(a->evalStack[a->evalStackDepth].eval2D[i].coeff, g->eval.eval2D[i].coeff, size2);

}

a->evalStack[a->evalStackDepth].autoNormal = g->eval.autoNormal;

a->evalStack[a->evalStackDepth].un1D = g->eval.un1D;

a->evalStack[a->evalStackDepth].u11D = g->eval.u11D;

a->evalStack[a->evalStackDepth].u21D = g->eval.u21D;

a->evalStack[a->evalStackDepth].un2D = g->eval.un2D;

a->evalStack[a->evalStackDepth].u12D = g->eval.u12D;

a->evalStack[a->evalStackDepth].u22D = g->eval.u22D;

a->evalStack[a->evalStackDepth].vn2D = g->eval.vn2D;

a->evalStack[a->evalStackDepth].v12D = g->eval.v12D;

a->evalStack[a->evalStackDepth].v22D = g->eval.v22D;

a->evalStackDepth++;

}

if (mask & GL_FOG_BIT)

{

a->fogStack[a->fogStackDepth].enable = g->fog.enable;

a->fogStack[a->fogStackDepth].color = g->fog.color;

a->fogStack[a->fogStackDepth].density = g->fog.density;

a->fogStack[a->fogStackDepth].start = g->fog.start;

a->fogStack[a->fogStackDepth].end = g->fog.end;

a->fogStack[a->fogStackDepth].index = g->fog.index;

a->fogStack[a->fogStackDepth].mode = g->fog.mode;

a->fogStackDepth++;

}

if (mask & GL_HINT_BIT)

{

a->hintStack[a->hintStackDepth].perspectiveCorrection = g->hint.perspectiveCorrection;

a->hintStack[a->hintStackDepth].pointSmooth = g->hint.pointSmooth;

a->hintStack[a->hintStackDepth].lineSmooth = g->hint.lineSmooth;

a->hintStack[a->hintStackDepth].polygonSmooth = g->hint.polygonSmooth;

a->hintStack[a->hintStackDepth].fog = g->hint.fog;

#ifdef CR_EXT_clip_volume_hint

a->hintStack[a->hintStackDepth].clipVolumeClipping = g->hint.clipVolumeClipping;

#endif

#ifdef CR_ARB_texture_compression

a->hintStack[a->hintStackDepth].textureCompression = g->hint.textureCompression;

#endif

#ifdef CR_SGIS_generate_mipmap

a->hintStack[a->hintStackDepth].generateMipmap = g->hint.generateMipmap;

#endif

a->hintStackDepth++;

}

if (mask & GL_LIGHTING_BIT)

{

if (a->lightingStack[a->lightingStackDepth].light == NULL)

{

a->lightingStack[a->lightingStackDepth].light = (CRLight *) crCalloc( g->limits.maxLights * sizeof( CRLight ));

}

a->lightingStack[a->lightingStackDepth].lightModelAmbient = g->lighting.lightModelAmbient;

a->lightingStack[a->lightingStackDepth].lightModelLocalViewer = g->lighting.lightModelLocalViewer;

a->lightingStack[a->lightingStackDepth].lightModelTwoSide = g->lighting.lightModelTwoSide;

#if defined(CR_EXT_separate_specular_color) || defined(CR_OPENGL_VERSION_1_2)

a->lightingStack[a->lightingStackDepth].lightModelColorControlEXT = g->lighting.lightModelColorControlEXT;

#endif

a->lightingStack[a->lightingStackDepth].lighting = g->lighting.lighting;

a->lightingStack[a->lightingStackDepth].colorMaterial = g->lighting.colorMaterial;

a->lightingStack[a->lightingStackDepth].colorMaterialMode = g->lighting.colorMaterialMode;

a->lightingStack[a->lightingStackDepth].colorMaterialFace = g->lighting.colorMaterialFace;

for (i = 0 ; i < g->limits.maxLights; i++)

{

a->lightingStack[a->lightingStackDepth].light[i].enable = g->lighting.light[i].enable;

a->lightingStack[a->lightingStackDepth].light[i].ambient = g->lighting.light[i].ambient;

a->lightingStack[a->lightingStackDepth].light[i].diffuse = g->lighting.light[i].diffuse;

a->lightingStack[a->lightingStackDepth].light[i].specular = g->lighting.light[i].specular;

a->lightingStack[a->lightingStackDepth].light[i].spotDirection = g->lighting.light[i].spotDirection;

a->lightingStack[a->lightingStackDepth].light[i].position = g->lighting.light[i].position;

a->lightingStack[a->lightingStackDepth].light[i].spotExponent = g->lighting.light[i].spotExponent;

a->lightingStack[a->lightingStackDepth].light[i].spotCutoff = g->lighting.light[i].spotCutoff;

a->lightingStack[a->lightingStackDepth].light[i].constantAttenuation = g->lighting.light[i].constantAttenuation;

a->lightingStack[a->lightingStackDepth].light[i].linearAttenuation = g->lighting.light[i].linearAttenuation;

a->lightingStack[a->lightingStackDepth].light[i].quadraticAttenuation = g->lighting.light[i].quadraticAttenuation;

}

for (i = 0 ; i < 2 ; i++)

{

a->lightingStack[a->lightingStackDepth].ambient[i] = g->lighting.ambient[i];

a->lightingStack[a->lightingStackDepth].diffuse[i] = g->lighting.diffuse[i];

a->lightingStack[a->lightingStackDepth].specular[i] = g->lighting.specular[i];

a->lightingStack[a->lightingStackDepth].emission[i] = g->lighting.emission[i];

a->lightingStack[a->lightingStackDepth].shininess[i] = g->lighting.shininess[i];

a->lightingStack[a->lightingStackDepth].indexes[i][0] = g->lighting.indexes[i][0];

a->lightingStack[a->lightingStackDepth].indexes[i][1] = g->lighting.indexes[i][1];

a->lightingStack[a->lightingStackDepth].indexes[i][2] = g->lighting.indexes[i][2];

}

a->lightingStack[a->lightingStackDepth].shadeModel = g->lighting.shadeModel;

a->lightingStackDepth++;

}

if (mask & GL_LINE_BIT)

{

a->lineStack[a->lineStackDepth].lineSmooth = g->line.lineSmooth;

a->lineStack[a->lineStackDepth].lineStipple = g->line.lineStipple;

a->lineStack[a->lineStackDepth].pattern = g->line.pattern;

a->lineStack[a->lineStackDepth].repeat = g->line.repeat;

a->lineStack[a->lineStackDepth].width = g->line.width;

a->lineStackDepth++;

}

if (mask & GL_LIST_BIT)

{

a->listStack[a->listStackDepth].base = g->lists.base;

a->listStackDepth++;

}

if (mask & GL_PIXEL_MODE_BIT)

{

a->pixelModeStack[a->pixelModeStackDepth].bias = g->pixel.bias;

a->pixelModeStack[a->pixelModeStackDepth].scale = g->pixel.scale;

a->pixelModeStack[a->pixelModeStackDepth].indexOffset = g->pixel.indexOffset;

a->pixelModeStack[a->pixelModeStackDepth].indexShift = g->pixel.indexShift;

a->pixelModeStack[a->pixelModeStackDepth].mapColor = g->pixel.mapColor;

a->pixelModeStack[a->pixelModeStackDepth].mapStencil = g->pixel.mapStencil;

a->pixelModeStack[a->pixelModeStackDepth].xZoom = g->pixel.xZoom;

a->pixelModeStack[a->pixelModeStackDepth].yZoom = g->pixel.yZoom;

a->pixelModeStack[a->pixelModeStackDepth].readBuffer = g->buffer.readBuffer;

a->pixelModeStackDepth++;

}

if (mask & GL_POINT_BIT)

{

a->pointStack[a->pointStackDepth].pointSmooth = g->point.pointSmooth;

#if CR_ARB_point_sprite

a->pointStack[a->pointStackDepth].pointSprite = g->point.pointSprite;

for (i = 0; i < CR_MAX_TEXTURE_UNITS; i++)

a->pointStack[a->enableStackDepth].coordReplacement[i] = g->point.coordReplacement[i];

#endif

a->pointStack[a->pointStackDepth].pointSize = g->point.pointSize;

a->pointStackDepth++;

}

if (mask & GL_POLYGON_BIT)

{

a->polygonStack[a->polygonStackDepth].cullFace = g->polygon.cullFace;

a->polygonStack[a->polygonStackDepth].cullFaceMode = g->polygon.cullFaceMode;

a->polygonStack[a->polygonStackDepth].frontFace = g->polygon.frontFace;

a->polygonStack[a->polygonStackDepth].frontMode = g->polygon.frontMode;

a->polygonStack[a->polygonStackDepth].backMode = g->polygon.backMode;

a->polygonStack[a->polygonStackDepth].polygonSmooth = g->polygon.polygonSmooth;

a->polygonStack[a->polygonStackDepth].polygonStipple = g->polygon.polygonStipple;

a->polygonStack[a->polygonStackDepth].polygonOffsetFill = g->polygon.polygonOffsetFill;

a->polygonStack[a->polygonStackDepth].polygonOffsetLine = g->polygon.polygonOffsetLine;

a->polygonStack[a->polygonStackDepth].polygonOffsetPoint = g->polygon.polygonOffsetPoint;

a->polygonStack[a->polygonStackDepth].offsetFactor = g->polygon.offsetFactor;

a->polygonStack[a->polygonStackDepth].offsetUnits = g->polygon.offsetUnits;

a->polygonStackDepth++;

}

if (mask & GL_POLYGON_STIPPLE_BIT)

{

crMemcpy( a->polygonStippleStack[a->polygonStippleStackDepth].pattern, g->polygon.stipple, 32*sizeof(GLint) );

a->polygonStippleStackDepth++;

}

if (mask & GL_SCISSOR_BIT)

{

a->scissorStack[a->scissorStackDepth].scissorTest = g->viewport.scissorTest;

a->scissorStack[a->scissorStackDepth].scissorX = g->viewport.scissorX;

a->scissorStack[a->scissorStackDepth].scissorY = g->viewport.scissorY;

a->scissorStack[a->scissorStackDepth].scissorW = g->viewport.scissorW;

a->scissorStack[a->scissorStackDepth].scissorH = g->viewport.scissorH;

a->scissorStackDepth++;

}

if (mask & GL_STENCIL_BUFFER_BIT)

{

a->stencilBufferStack[a->stencilBufferStackDepth].stencilTest = g->stencil.stencilTest;

a->stencilBufferStack[a->stencilBufferStackDepth].clearValue = g->stencil.clearValue;

a->stencilBufferStack[a->stencilBufferStackDepth].writeMask = g->stencil.writeMask;

for (i = 0; i < CRSTATE_STENCIL_BUFFER_COUNT; ++i)

{

a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].func = g->stencil.buffers[i].func;

a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].mask = g->stencil.buffers[i].mask;

a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].ref = g->stencil.buffers[i].ref;

a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].fail = g->stencil.buffers[i].fail;

a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].passDepthFail = g->stencil.buffers[i].passDepthFail;

a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].passDepthPass = g->stencil.buffers[i].passDepthPass;

}

a->stencilBufferStackDepth++;

}

if (mask & GL_TEXTURE_BIT)

{

CRTextureStack *tState = a->textureStack + a->textureStackDepth;

tState->curTextureUnit = g->texture.curTextureUnit;

for (i = 0 ; i < g->limits.maxTextureUnits ; i++)

{

/* per-unit state */

copy_texunit(&tState->unit[i], &g->texture.unit[i]);

/* texture object state */

copy_texobj(&tState->unit[i].Saved1D, g->texture.unit[i].currentTexture1D, GL_TRUE);

copy_texobj(&tState->unit[i].Saved2D, g->texture.unit[i].currentTexture2D, GL_TRUE);

#ifdef CR_OPENGL_VERSION_1_2

copy_texobj(&tState->unit[i].Saved3D, g->texture.unit[i].currentTexture3D, GL_TRUE);

#endif

#ifdef CR_ARB_texture_cube_map

copy_texobj(&tState->unit[i].SavedCubeMap, g->texture.unit[i].currentTextureCubeMap, GL_TRUE);

#endif

#ifdef CR_NV_texture_rectangle

copy_texobj(&tState->unit[i].SavedRect, g->texture.unit[i].currentTextureRect, GL_TRUE);

#endif

}

a->textureStackDepth++;

}

if (mask & GL_TRANSFORM_BIT)

{

if (a->transformStack[a->transformStackDepth].clip == NULL)

{

a->transformStack[a->transformStackDepth].clip = (GLboolean *) crCalloc( g->limits.maxClipPlanes * sizeof( GLboolean ));

}

if (a->transformStack[a->transformStackDepth].clipPlane == NULL)

{

a->transformStack[a->transformStackDepth].clipPlane = (GLvectord *) crCalloc( g->limits.maxClipPlanes * sizeof( GLvectord ));

}

a->transformStack[a->transformStackDepth].matrixMode = g->transform.matrixMode;

for (i = 0 ; i < g->limits.maxClipPlanes ; i++)

{

a->transformStack[a->transformStackDepth].clip[i] = g->transform.clip[i];

a->transformStack[a->transformStackDepth].clipPlane[i] = g->transform.clipPlane[i];

}

a->transformStack[a->transformStackDepth].normalize = g->transform.normalize;

#ifdef CR_OPENGL_VERSION_1_2

a->transformStack[a->transformStackDepth].rescaleNormals = g->transform.rescaleNormals;

#endif

a->transformStackDepth++;

}

if (mask & GL_VIEWPORT_BIT)

{

a->viewportStack[a->viewportStackDepth].viewportX = g->viewport.viewportX;

a->viewportStack[a->viewportStackDepth].viewportY = g->viewport.viewportY;

a->viewportStack[a->viewportStackDepth].viewportW = g->viewport.viewportW;

a->viewportStack[a->viewportStackDepth].viewportH = g->viewport.viewportH;

a->viewportStack[a->viewportStackDepth].nearClip = g->viewport.nearClip;

a->viewportStack[a->viewportStackDepth].farClip = g->viewport.farClip;

a->viewportStackDepth++;

}

DIRTY(ab->dirty, g->neg_bitid);

}

void STATE_APIENTRY crStatePopAttrib(void)

{

CRContext *g = GetCurrentContext();

CRAttribState *a = &(g->attrib);

CRStateBits *sb = GetCurrentBits();

CRAttribBits *ab = &(sb->attrib);

CRbitvalue mask;

unsigned int i;

if (g->current.inBeginEnd)

{

crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glPopAttrib called in Begin/End");

return;

}

if (a->attribStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty stack!" );

return;

}

FLUSH();

mask = a->pushMaskStack[--a->attribStackDepth];

if (mask & GL_ACCUM_BUFFER_BIT)

{

if (a->accumBufferStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty accum buffer stack!" );

return;

}

a->accumBufferStackDepth--;

g->buffer.accumClearValue = a->accumBufferStack[a->accumBufferStackDepth].accumClearValue;

DIRTY(sb->buffer.dirty, g->neg_bitid);

DIRTY(sb->buffer.clearAccum, g->neg_bitid);

}

if (mask & GL_COLOR_BUFFER_BIT)

{

if (a->colorBufferStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty color buffer stack!" );

return;

}

a->colorBufferStackDepth--;

g->buffer.alphaTest = a->colorBufferStack[a->colorBufferStackDepth].alphaTest;

g->buffer.alphaTestFunc = a->colorBufferStack[a->colorBufferStackDepth].alphaTestFunc;

g->buffer.alphaTestRef = a->colorBufferStack[a->colorBufferStackDepth].alphaTestRef;

g->buffer.blend = a->colorBufferStack[a->colorBufferStackDepth].blend;

g->buffer.blendSrcRGB = a->colorBufferStack[a->colorBufferStackDepth].blendSrcRGB;

g->buffer.blendDstRGB = a->colorBufferStack[a->colorBufferStackDepth].blendDstRGB;

#if defined(CR_EXT_blend_func_separate)

g->buffer.blendSrcA = a->colorBufferStack[a->colorBufferStackDepth].blendSrcA;

g->buffer.blendDstA = a->colorBufferStack[a->colorBufferStackDepth].blendDstA;

#endif

#ifdef CR_EXT_blend_color

g->buffer.blendColor = a->colorBufferStack[a->colorBufferStackDepth].blendColor;

#endif

#if defined(CR_EXT_blend_minmax) || defined(CR_EXT_blend_subtract) || defined(CR_EXT_blend_logic_op)

g->buffer.blendEquation = a->colorBufferStack[a->colorBufferStackDepth].blendEquation;

#endif

g->buffer.dither = a->colorBufferStack[a->colorBufferStackDepth].dither;

g->buffer.drawBuffer = a->colorBufferStack[a->colorBufferStackDepth].drawBuffer;

g->buffer.logicOp = a->colorBufferStack[a->colorBufferStackDepth].logicOp;

g->buffer.indexLogicOp = a->colorBufferStack[a->colorBufferStackDepth].indexLogicOp;

g->buffer.logicOpMode = a->colorBufferStack[a->colorBufferStackDepth].logicOpMode;

g->buffer.colorClearValue = a->colorBufferStack[a->colorBufferStackDepth].colorClearValue;

g->buffer.indexClearValue = a->colorBufferStack[a->colorBufferStackDepth].indexClearValue;

g->buffer.colorWriteMask = a->colorBufferStack[a->colorBufferStackDepth].colorWriteMask;

g->buffer.indexWriteMask = a->colorBufferStack[a->colorBufferStackDepth].indexWriteMask;

DIRTY(sb->buffer.dirty, g->neg_bitid);

DIRTY(sb->buffer.enable, g->neg_bitid);

DIRTY(sb->buffer.alphaFunc, g->neg_bitid);

DIRTY(sb->buffer.blendFunc, g->neg_bitid);

#ifdef CR_EXT_blend_color

DIRTY(sb->buffer.blendColor, g->neg_bitid);

#endif

#if defined(CR_EXT_blend_minmax) || defined(CR_EXT_blend_subtract) || defined(CR_EXT_blend_logic_op)

DIRTY(sb->buffer.blendEquation, g->neg_bitid);

#endif

DIRTY(sb->buffer.drawBuffer, g->neg_bitid);

DIRTY(sb->buffer.logicOp, g->neg_bitid);

DIRTY(sb->buffer.indexLogicOp, g->neg_bitid);

DIRTY(sb->buffer.clearColor, g->neg_bitid);

DIRTY(sb->buffer.clearIndex, g->neg_bitid);

DIRTY(sb->buffer.colorWriteMask, g->neg_bitid);

DIRTY(sb->buffer.indexMask, g->neg_bitid);

}

if (mask & GL_CURRENT_BIT)

{

if (a->currentStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty current stack!" );

return;

}

a->currentStackDepth--;

for (i = 0 ; i < CR_MAX_VERTEX_ATTRIBS ; i++)

{

COPY_4V(g->current.vertexAttrib[i], a->currentStack[a->currentStackDepth].attrib[i]);

COPY_4V(g->current.rasterAttrib[i], a->currentStack[a->currentStackDepth].rasterAttrib[i]);

DIRTY(sb->current.vertexAttrib[i], g->neg_bitid);

}

g->current.rasterValid = a->currentStack[a->currentStackDepth].rasterValid;

g->current.edgeFlag = a->currentStack[a->currentStackDepth].edgeFlag;

g->current.colorIndex = a->currentStack[a->currentStackDepth].colorIndex;

DIRTY(sb->current.dirty, g->neg_bitid);

DIRTY(sb->current.edgeFlag, g->neg_bitid);

DIRTY(sb->current.colorIndex, g->neg_bitid);

DIRTY(sb->current.rasterPos, g->neg_bitid);

}

if (mask & GL_DEPTH_BUFFER_BIT)

{

if (a->depthBufferStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty depth buffer stack!" );

return;

}

a->depthBufferStackDepth--;

g->buffer.depthTest = a->depthBufferStack[a->depthBufferStackDepth].depthTest;

g->buffer.depthFunc = a->depthBufferStack[a->depthBufferStackDepth].depthFunc;

g->buffer.depthClearValue = a->depthBufferStack[a->depthBufferStackDepth].depthClearValue;

g->buffer.depthMask = a->depthBufferStack[a->depthBufferStackDepth].depthMask;

DIRTY(sb->buffer.dirty, g->neg_bitid);

DIRTY(sb->buffer.enable, g->neg_bitid);

DIRTY(sb->buffer.depthFunc, g->neg_bitid);

DIRTY(sb->buffer.clearDepth, g->neg_bitid);

DIRTY(sb->buffer.depthMask, g->neg_bitid);

}

if (mask & GL_ENABLE_BIT)

{

if (a->enableStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty enable stack!" );

return;

}

a->enableStackDepth--;

g->buffer.alphaTest = a->enableStack[a->enableStackDepth].alphaTest;

g->eval.autoNormal = a->enableStack[a->enableStackDepth].autoNormal;

g->buffer.blend = a->enableStack[a->enableStackDepth].blend;

for (i = 0 ; i < g->limits.maxClipPlanes ; i++)

{

g->transform.clip[i] = a->enableStack[a->enableStackDepth].clip[i];

}

g->lighting.colorMaterial = a->enableStack[a->enableStackDepth].colorMaterial;

g->polygon.cullFace = a->enableStack[a->enableStackDepth].cullFace;

g->buffer.depthTest = a->enableStack[a->enableStackDepth].depthTest;

g->buffer.dither = a->enableStack[a->enableStackDepth].dither;

g->fog.enable = a->enableStack[a->enableStackDepth].fog;

for (i = 0 ; i < g->limits.maxLights ; i++)

{

g->lighting.light[i].enable = a->enableStack[a->enableStackDepth].light[i];

}

g->lighting.lighting = a->enableStack[a->enableStackDepth].lighting;

g->line.lineSmooth = a->enableStack[a->enableStackDepth].lineSmooth;

g->line.lineStipple = a->enableStack[a->enableStackDepth].lineStipple;

g->buffer.logicOp = a->enableStack[a->enableStackDepth].logicOp;

g->buffer.indexLogicOp = a->enableStack[a->enableStackDepth].indexLogicOp;

for (i = 0 ; i < GLEVAL_TOT ; i++)

{

g->eval.enable1D[i] = a->enableStack[a->enableStackDepth].map1[i];

g->eval.enable2D[i] = a->enableStack[a->enableStackDepth].map2[i];

}

g->transform.normalize = a->enableStack[a->enableStackDepth].normalize;

g->point.pointSmooth = a->enableStack[a->enableStackDepth].pointSmooth;

#ifdef CR_ARB_point_sprite

g->point.pointSprite = a->enableStack[a->enableStackDepth].pointSprite;

for (i = 0; i < CR_MAX_TEXTURE_UNITS; i++)

g->point.coordReplacement[i] = a->enableStack[a->enableStackDepth].coordReplacement[i];

#endif

g->polygon.polygonOffsetLine = a->enableStack[a->enableStackDepth].polygonOffsetLine;

g->polygon.polygonOffsetFill = a->enableStack[a->enableStackDepth].polygonOffsetFill;

g->polygon.polygonOffsetPoint = a->enableStack[a->enableStackDepth].polygonOffsetPoint;

g->polygon.polygonSmooth = a->enableStack[a->enableStackDepth].polygonSmooth;

g->polygon.polygonStipple = a->enableStack[a->enableStackDepth].polygonStipple;

#ifdef CR_OPENGL_VERSION_1_2

g->transform.rescaleNormals = a->enableStack[a->enableStackDepth].rescaleNormals;

#endif

g->viewport.scissorTest = a->enableStack[a->enableStackDepth].scissorTest;

g->stencil.stencilTest = a->enableStack[a->enableStackDepth].stencilTest;

for (i = 0 ; i < g->limits.maxTextureUnits; i++)

{

g->texture.unit[i].enabled1D = a->enableStack[a->enableStackDepth].texture1D[i];

g->texture.unit[i].enabled2D = a->enableStack[a->enableStackDepth].texture2D[i];

#ifdef CR_OPENGL_VERSION_1_2

g->texture.unit[i].enabled3D = a->enableStack[a->enableStackDepth].texture3D[i];

#endif

#ifdef CR_ARB_texture_cube_map

g->texture.unit[i].enabledCubeMap = a->enableStack[a->enableStackDepth].textureCubeMap[i];

#endif

#ifdef CR_NV_texture_rectangle

g->texture.unit[i].enabledRect = a->enableStack[a->enableStackDepth].textureRect[i];

#endif

g->texture.unit[i].textureGen.s = a->enableStack[a->enableStackDepth].textureGenS[i];

g->texture.unit[i].textureGen.t = a->enableStack[a->enableStackDepth].textureGenT[i];

g->texture.unit[i].textureGen.r = a->enableStack[a->enableStackDepth].textureGenR[i];

g->texture.unit[i].textureGen.q = a->enableStack[a->enableStackDepth].textureGenQ[i];

}

DIRTY(sb->buffer.dirty, g->neg_bitid);

DIRTY(sb->eval.dirty, g->neg_bitid);

DIRTY(sb->transform.dirty, g->neg_bitid);

DIRTY(sb->lighting.dirty, g->neg_bitid);

DIRTY(sb->fog.dirty, g->neg_bitid);

DIRTY(sb->line.dirty, g->neg_bitid);

DIRTY(sb->polygon.dirty, g->neg_bitid);

DIRTY(sb->viewport.dirty, g->neg_bitid);

DIRTY(sb->stencil.dirty, g->neg_bitid);

DIRTY(sb->texture.dirty, g->neg_bitid);

DIRTY(sb->buffer.enable, g->neg_bitid);

DIRTY(sb->eval.enable, g->neg_bitid);

DIRTY(sb->transform.enable, g->neg_bitid);

DIRTY(sb->lighting.enable, g->neg_bitid);

DIRTY(sb->fog.enable, g->neg_bitid);

DIRTY(sb->line.enable, g->neg_bitid);

DIRTY(sb->polygon.enable, g->neg_bitid);

DIRTY(sb->viewport.enable, g->neg_bitid);

DIRTY(sb->stencil.enable, g->neg_bitid);

for (i = 0 ; i < g->limits.maxTextureUnits ; i++)

{

DIRTY(sb->texture.enable[i], g->neg_bitid);

}

}

if (mask & GL_EVAL_BIT)

{

if (a->evalStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty eval stack!" );

return;

}

a->evalStackDepth--;

for (i = 0 ; i < GLEVAL_TOT ; i++)

{

int size1 = a->evalStack[a->evalStackDepth].eval1D[i].order * gleval_sizes[i] * sizeof(GLfloat);

int size2 = a->evalStack[a->evalStackDepth].eval2D[i].uorder * a->evalStack[a->evalStackDepth].eval2D[i].vorder * gleval_sizes[i] * sizeof (GLfloat);

g->eval.enable1D[i] = a->evalStack[a->evalStackDepth].enable1D[i];

g->eval.enable2D[i] = a->evalStack[a->evalStackDepth].enable2D[i];

g->eval.eval1D[i].u1 = a->evalStack[a->evalStackDepth].eval1D[i].u1;

g->eval.eval1D[i].u2 = a->evalStack[a->evalStackDepth].eval1D[i].u2;

g->eval.eval1D[i].order = a->evalStack[a->evalStackDepth].eval1D[i].order;

crMemcpy((char*)g->eval.eval1D[i].coeff, a->evalStack[a->evalStackDepth].eval1D[i].coeff, size1);

crFree(a->evalStack[a->evalStackDepth].eval1D[i].coeff);

a->evalStack[a->evalStackDepth].eval1D[i].coeff = NULL;

g->eval.eval2D[i].u1 = a->evalStack[a->evalStackDepth].eval2D[i].u1;

g->eval.eval2D[i].u2 = a->evalStack[a->evalStackDepth].eval2D[i].u2;

g->eval.eval2D[i].v1 = a->evalStack[a->evalStackDepth].eval2D[i].v1;

g->eval.eval2D[i].v2 = a->evalStack[a->evalStackDepth].eval2D[i].v2;

g->eval.eval2D[i].uorder = a->evalStack[a->evalStackDepth].eval2D[i].uorder;

g->eval.eval2D[i].vorder = a->evalStack[a->evalStackDepth].eval2D[i].vorder;

crMemcpy((char*)g->eval.eval2D[i].coeff, a->evalStack[a->evalStackDepth].eval2D[i].coeff, size2);

crFree(a->evalStack[a->evalStackDepth].eval2D[i].coeff);

a->evalStack[a->evalStackDepth].eval2D[i].coeff = NULL;

}

g->eval.autoNormal = a->evalStack[a->evalStackDepth].autoNormal;

g->eval.un1D = a->evalStack[a->evalStackDepth].un1D;

g->eval.u11D = a->evalStack[a->evalStackDepth].u11D;

g->eval.u21D = a->evalStack[a->evalStackDepth].u21D;

g->eval.un2D = a->evalStack[a->evalStackDepth].un2D;

g->eval.u12D = a->evalStack[a->evalStackDepth].u12D;

g->eval.u22D = a->evalStack[a->evalStackDepth].u22D;

g->eval.vn2D = a->evalStack[a->evalStackDepth].vn2D;

g->eval.v12D = a->evalStack[a->evalStackDepth].v12D;

g->eval.v22D = a->evalStack[a->evalStackDepth].v22D;

for (i = 0; i < GLEVAL_TOT; i++) {

DIRTY(sb->eval.eval1D[i], g->neg_bitid);

DIRTY(sb->eval.eval2D[i], g->neg_bitid);

}

DIRTY(sb->eval.dirty, g->neg_bitid);

DIRTY(sb->eval.grid1D, g->neg_bitid);

DIRTY(sb->eval.grid2D, g->neg_bitid);

DIRTY(sb->eval.enable, g->neg_bitid);

}

if (mask & GL_FOG_BIT)

{

if (a->fogStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty fog stack!" );

return;

}

a->fogStackDepth--;

g->fog.enable = a->fogStack[a->fogStackDepth].enable;

g->fog.color = a->fogStack[a->fogStackDepth].color;

g->fog.density = a->fogStack[a->fogStackDepth].density;

g->fog.start = a->fogStack[a->fogStackDepth].start;

g->fog.end = a->fogStack[a->fogStackDepth].end;

g->fog.index = a->fogStack[a->fogStackDepth].index;

g->fog.mode = a->fogStack[a->fogStackDepth].mode;

DIRTY(sb->fog.dirty, g->neg_bitid);

DIRTY(sb->fog.color, g->neg_bitid);

DIRTY(sb->fog.index, g->neg_bitid);

DIRTY(sb->fog.density, g->neg_bitid);

DIRTY(sb->fog.start, g->neg_bitid);

DIRTY(sb->fog.end, g->neg_bitid);

DIRTY(sb->fog.mode, g->neg_bitid);

DIRTY(sb->fog.enable, g->neg_bitid);

}

if (mask & GL_HINT_BIT)

{

if (a->hintStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty hint stack!" );

return;

}

a->hintStackDepth--;

g->hint.perspectiveCorrection = a->hintStack[a->hintStackDepth].perspectiveCorrection;

g->hint.pointSmooth = a->hintStack[a->hintStackDepth].pointSmooth;

g->hint.lineSmooth = a->hintStack[a->hintStackDepth].lineSmooth;

g->hint.polygonSmooth = a->hintStack[a->hintStackDepth].polygonSmooth;

g->hint.fog = a->hintStack[a->hintStackDepth].fog;

DIRTY(sb->hint.dirty, g->neg_bitid);

DIRTY(sb->hint.perspectiveCorrection, g->neg_bitid);

DIRTY(sb->hint.pointSmooth, g->neg_bitid);

DIRTY(sb->hint.lineSmooth, g->neg_bitid);

DIRTY(sb->hint.polygonSmooth, g->neg_bitid);

#ifdef CR_EXT_clip_volume_hint

g->hint.clipVolumeClipping = a->hintStack[a->hintStackDepth].clipVolumeClipping;

DIRTY(sb->hint.clipVolumeClipping, g->neg_bitid);

#endif

#ifdef CR_ARB_texture_compression

g->hint.textureCompression = a->hintStack[a->hintStackDepth].textureCompression;

DIRTY(sb->hint.textureCompression, g->neg_bitid);

#endif

#ifdef CR_SGIS_generate_mipmap

g->hint.generateMipmap = a->hintStack[a->hintStackDepth].generateMipmap;

DIRTY(sb->hint.generateMipmap, g->neg_bitid);

#endif

}

if (mask & GL_LIGHTING_BIT)

{

if (a->lightingStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty lighting stack!" );

return;

}

a->lightingStackDepth--;

g->lighting.lightModelAmbient = a->lightingStack[a->lightingStackDepth].lightModelAmbient;

g->lighting.lightModelLocalViewer = a->lightingStack[a->lightingStackDepth].lightModelLocalViewer;

g->lighting.lightModelTwoSide = a->lightingStack[a->lightingStackDepth].lightModelTwoSide;

#if defined(CR_EXT_separate_specular_color) || defined(CR_OPENGL_VERSION_1_2)

g->lighting.lightModelColorControlEXT = a->lightingStack[a->lightingStackDepth].lightModelColorControlEXT;

#endif

g->lighting.lighting = a->lightingStack[a->lightingStackDepth].lighting;

g->lighting.colorMaterial = a->lightingStack[a->lightingStackDepth].colorMaterial;

g->lighting.colorMaterialMode = a->lightingStack[a->lightingStackDepth].colorMaterialMode;

g->lighting.colorMaterialFace = a->lightingStack[a->lightingStackDepth].colorMaterialFace;

for (i = 0 ; i < g->limits.maxLights; i++)

{

g->lighting.light[i].enable = a->lightingStack[a->lightingStackDepth].light[i].enable;

g->lighting.light[i].ambient = a->lightingStack[a->lightingStackDepth].light[i].ambient;

g->lighting.light[i].diffuse = a->lightingStack[a->lightingStackDepth].light[i].diffuse;

g->lighting.light[i].specular = a->lightingStack[a->lightingStackDepth].light[i].specular;

g->lighting.light[i].spotDirection = a->lightingStack[a->lightingStackDepth].light[i].spotDirection;

g->lighting.light[i].position = a->lightingStack[a->lightingStackDepth].light[i].position;

g->lighting.light[i].spotExponent = a->lightingStack[a->lightingStackDepth].light[i].spotExponent;

g->lighting.light[i].spotCutoff = a->lightingStack[a->lightingStackDepth].light[i].spotCutoff;

g->lighting.light[i].constantAttenuation = a->lightingStack[a->lightingStackDepth].light[i].constantAttenuation;

g->lighting.light[i].linearAttenuation = a->lightingStack[a->lightingStackDepth].light[i].linearAttenuation;

g->lighting.light[i].quadraticAttenuation = a->lightingStack[a->lightingStackDepth].light[i].quadraticAttenuation;

}

for (i = 0 ; i < 2 ; i++)

{

g->lighting.ambient[i] = a->lightingStack[a->lightingStackDepth].ambient[i];

g->lighting.diffuse[i] = a->lightingStack[a->lightingStackDepth].diffuse[i];

g->lighting.specular[i] = a->lightingStack[a->lightingStackDepth].specular[i];

g->lighting.emission[i] = a->lightingStack[a->lightingStackDepth].emission[i];

g->lighting.shininess[i] = a->lightingStack[a->lightingStackDepth].shininess[i];

g->lighting.indexes[i][0] = a->lightingStack[a->lightingStackDepth].indexes[i][0];

g->lighting.indexes[i][1] = a->lightingStack[a->lightingStackDepth].indexes[i][1];

g->lighting.indexes[i][2] = a->lightingStack[a->lightingStackDepth].indexes[i][2];

}

g->lighting.shadeModel = a->lightingStack[a->lightingStackDepth].shadeModel;

DIRTY(sb->lighting.dirty, g->neg_bitid);

DIRTY(sb->lighting.shadeModel, g->neg_bitid);

DIRTY(sb->lighting.lightModel, g->neg_bitid);

DIRTY(sb->lighting.material, g->neg_bitid);

DIRTY(sb->lighting.enable, g->neg_bitid);

for (i = 0 ; i < g->limits.maxLights; i++)

{

DIRTY(sb->lighting.light[i].dirty, g->neg_bitid);

DIRTY(sb->lighting.light[i].enable, g->neg_bitid);

DIRTY(sb->lighting.light[i].ambient, g->neg_bitid);

DIRTY(sb->lighting.light[i].diffuse, g->neg_bitid);

DIRTY(sb->lighting.light[i].specular, g->neg_bitid);

DIRTY(sb->lighting.light[i].position, g->neg_bitid);

DIRTY(sb->lighting.light[i].attenuation, g->neg_bitid);

DIRTY(sb->lighting.light[i].spot, g->neg_bitid);

}

}

if (mask & GL_LINE_BIT)

{

if (a->lineStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty line stack!" );

return;

}

a->lineStackDepth--;

g->line.lineSmooth = a->lineStack[a->lineStackDepth].lineSmooth;

g->line.lineStipple = a->lineStack[a->lineStackDepth].lineStipple;

g->line.pattern = a->lineStack[a->lineStackDepth].pattern;

g->line.repeat = a->lineStack[a->lineStackDepth].repeat;

g->line.width = a->lineStack[a->lineStackDepth].width;

DIRTY(sb->line.dirty, g->neg_bitid);

DIRTY(sb->line.enable, g->neg_bitid);

DIRTY(sb->line.width, g->neg_bitid);

DIRTY(sb->line.stipple, g->neg_bitid);

}

if (mask & GL_LIST_BIT)

{

if (a->listStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty list stack!" );

return;

}

a->listStackDepth--;

g->lists.base = a->listStack[a->listStackDepth].base;

DIRTY(sb->lists.dirty, g->neg_bitid);

}

if (mask & GL_PIXEL_MODE_BIT)

{

if (a->pixelModeStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty pixel mode stack!" );

return;

}

a->pixelModeStackDepth--;

g->pixel.bias = a->pixelModeStack[a->pixelModeStackDepth].bias;

g->pixel.scale = a->pixelModeStack[a->pixelModeStackDepth].scale;

g->pixel.indexOffset = a->pixelModeStack[a->pixelModeStackDepth].indexOffset;

g->pixel.indexShift = a->pixelModeStack[a->pixelModeStackDepth].indexShift;

g->pixel.mapColor = a->pixelModeStack[a->pixelModeStackDepth].mapColor;

g->pixel.mapStencil = a->pixelModeStack[a->pixelModeStackDepth].mapStencil;

g->pixel.xZoom = a->pixelModeStack[a->pixelModeStackDepth].xZoom;

g->pixel.yZoom = a->pixelModeStack[a->pixelModeStackDepth].yZoom;

g->buffer.readBuffer = a->pixelModeStack[a->pixelModeStackDepth].readBuffer;

DIRTY(sb->pixel.dirty, g->neg_bitid);

DIRTY(sb->pixel.transfer, g->neg_bitid);

DIRTY(sb->pixel.zoom, g->neg_bitid);

DIRTY(sb->buffer.dirty, g->neg_bitid);

DIRTY(sb->buffer.readBuffer, g->neg_bitid);

}

if (mask & GL_POINT_BIT)

{

if (a->pointStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty point stack!" );

return;

}

a->pointStackDepth--;

g->point.pointSmooth = a->pointStack[a->pointStackDepth].pointSmooth;

g->point.pointSize = a->pointStack[a->pointStackDepth].pointSize;

#if GL_ARB_point_sprite

g->point.pointSprite = a->pointStack[a->pointStackDepth].pointSprite;

DIRTY(sb->point.enableSprite, g->neg_bitid);

for (i = 0; i < CR_MAX_TEXTURE_UNITS; i++) {

g->point.coordReplacement[i] = a->enableStack[a->enableStackDepth].coordReplacement[i];

DIRTY(sb->point.coordReplacement[i], g->neg_bitid);

}

#endif

DIRTY(sb->point.dirty, g->neg_bitid);

DIRTY(sb->point.size, g->neg_bitid);

DIRTY(sb->point.enableSmooth, g->neg_bitid);

}

if (mask & GL_POLYGON_BIT)

{

if (a->polygonStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty polygon stack!" );

return;

}

a->polygonStackDepth--;

g->polygon.cullFace = a->polygonStack[a->polygonStackDepth].cullFace;

g->polygon.cullFaceMode = a->polygonStack[a->polygonStackDepth].cullFaceMode;

g->polygon.frontFace = a->polygonStack[a->polygonStackDepth].frontFace;

g->polygon.frontMode = a->polygonStack[a->polygonStackDepth].frontMode;

g->polygon.backMode = a->polygonStack[a->polygonStackDepth].backMode;

g->polygon.polygonSmooth = a->polygonStack[a->polygonStackDepth].polygonSmooth;

g->polygon.polygonStipple = a->polygonStack[a->polygonStackDepth].polygonStipple;

g->polygon.polygonOffsetFill = a->polygonStack[a->polygonStackDepth].polygonOffsetFill;

g->polygon.polygonOffsetLine = a->polygonStack[a->polygonStackDepth].polygonOffsetLine;

g->polygon.polygonOffsetPoint = a->polygonStack[a->polygonStackDepth].polygonOffsetPoint;

g->polygon.offsetFactor = a->polygonStack[a->polygonStackDepth].offsetFactor;

g->polygon.offsetUnits = a->polygonStack[a->polygonStackDepth].offsetUnits;

DIRTY(sb->polygon.dirty, g->neg_bitid);

DIRTY(sb->polygon.enable, g->neg_bitid);

DIRTY(sb->polygon.offset, g->neg_bitid);

DIRTY(sb->polygon.mode, g->neg_bitid);

DIRTY(sb->polygon.stipple, g->neg_bitid);

}

if (mask & GL_POLYGON_STIPPLE_BIT)

{

if (a->polygonStippleStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty polygon stipple stack!" );

return;

}

a->polygonStippleStackDepth--;

crMemcpy( g->polygon.stipple, a->polygonStippleStack[a->polygonStippleStackDepth].pattern, 32*sizeof(GLint) );

DIRTY(sb->polygon.dirty, g->neg_bitid);

DIRTY(sb->polygon.stipple, g->neg_bitid);

}

if (mask & GL_SCISSOR_BIT)

{

if (a->scissorStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty scissor stack!" );

return;

}

a->scissorStackDepth--;

g->viewport.scissorTest = a->scissorStack[a->scissorStackDepth].scissorTest;

g->viewport.scissorX = a->scissorStack[a->scissorStackDepth].scissorX;

g->viewport.scissorY = a->scissorStack[a->scissorStackDepth].scissorY;

g->viewport.scissorW = a->scissorStack[a->scissorStackDepth].scissorW;

g->viewport.scissorH = a->scissorStack[a->scissorStackDepth].scissorH;

DIRTY(sb->viewport.dirty, g->neg_bitid);

DIRTY(sb->viewport.enable, g->neg_bitid);

DIRTY(sb->viewport.s_dims, g->neg_bitid);

}

if (mask & GL_STENCIL_BUFFER_BIT)

{

if (a->stencilBufferStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty stencil stack!" );

return;

}

a->stencilBufferStackDepth--;

g->stencil.stencilTest = a->stencilBufferStack[a->stencilBufferStackDepth].stencilTest;

g->stencil.clearValue = a->stencilBufferStack[a->stencilBufferStackDepth].clearValue;

g->stencil.writeMask = a->stencilBufferStack[a->stencilBufferStackDepth].writeMask;

for (i = 0; i < CRSTATE_STENCIL_BUFFER_COUNT; ++i)

{

g->stencil.buffers[i].func = a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].func;

g->stencil.buffers[i].mask = a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].mask;

g->stencil.buffers[i].ref = a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].ref;

g->stencil.buffers[i].fail = a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].fail;

g->stencil.buffers[i].passDepthFail = a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].passDepthFail;

g->stencil.buffers[i].passDepthPass = a->stencilBufferStack[a->stencilBufferStackDepth].buffers[i].passDepthPass;

}

DIRTY(sb->stencil.dirty, g->neg_bitid);

DIRTY(sb->stencil.enable, g->neg_bitid);

DIRTY(sb->stencil.clearValue, g->neg_bitid);

DIRTY(sb->stencil.writeMask, g->neg_bitid);

for (i = 0; i < CRSTATE_STENCIL_BUFFER_REF_COUNT; ++i)

{

DIRTY(sb->stencil.bufferRefs[i].func, g->neg_bitid);

DIRTY(sb->stencil.bufferRefs[i].op, g->neg_bitid);

}

}

if (mask & GL_TEXTURE_BIT)

{

CRTextureStack *tState;

if (a->textureStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty texture stack!" );

return;

}

a->textureStackDepth--;

tState = a->textureStack + a->textureStackDepth;

g->texture.curTextureUnit = tState->curTextureUnit;

for (i = 0 ; i < g->limits.maxTextureUnits ; i++)

{

copy_texunit(&g->texture.unit[i], &tState->unit[i]);

/* first, restore the bindings! */

g->texture.unit[i].currentTexture1D = crStateTextureGet(GL_TEXTURE_1D, tState->unit[i].Saved1D.id);

copy_texobj(g->texture.unit[i].currentTexture1D, &tState->unit[i].Saved1D, GL_FALSE);

g->texture.unit[i].currentTexture2D = crStateTextureGet(GL_TEXTURE_2D, tState->unit[i].Saved2D.id);

copy_texobj(g->texture.unit[i].currentTexture2D, &tState->unit[i].Saved2D, GL_FALSE);

#ifdef CR_OPENGL_VERSION_1_2

g->texture.unit[i].currentTexture3D = crStateTextureGet(GL_TEXTURE_3D, tState->unit[i].Saved3D.id);

copy_texobj(g->texture.unit[i].currentTexture3D, &tState->unit[i].Saved3D, GL_FALSE);

#endif

#ifdef CR_ARB_texture_cube_map

g->texture.unit[i].currentTextureCubeMap = crStateTextureGet(GL_TEXTURE_CUBE_MAP_ARB, tState->unit[i].SavedCubeMap.id);

copy_texobj(g->texture.unit[i].currentTextureCubeMap, &tState->unit[i].SavedCubeMap, GL_FALSE);

#endif

#ifdef CR_NV_texture_rectangle

g->texture.unit[i].currentTextureRect = crStateTextureGet(GL_TEXTURE_CUBE_MAP_ARB, tState->unit[i].SavedRect.id);

copy_texobj(g->texture.unit[i].currentTextureRect, &tState->unit[i].SavedRect, GL_FALSE);

#endif

}

DIRTY(sb->texture.dirty, g->neg_bitid);

for (i = 0 ; i < g->limits.maxTextureUnits ; i++)

{

DIRTY(sb->texture.enable[i], g->neg_bitid);

DIRTY(sb->texture.current[i], g->neg_bitid);

DIRTY(sb->texture.objGen[i], g->neg_bitid);

DIRTY(sb->texture.eyeGen[i], g->neg_bitid);

DIRTY(sb->texture.envBit[i], g->neg_bitid);

DIRTY(sb->texture.genMode[i], g->neg_bitid);

}

for (i = 0 ; i < g->limits.maxTextureUnits ; i++)

{

DIRTY(g->texture.unit[i].currentTexture1D->dirty, g->neg_bitid);

DIRTY(g->texture.unit[i].currentTexture2D->dirty, g->neg_bitid);

DIRTY(g->texture.unit[i].currentTexture3D->dirty, g->neg_bitid);

#ifdef CR_ARB_texture_cube_map

DIRTY(g->texture.unit[i].currentTextureCubeMap->dirty, g->neg_bitid);

#endif

#ifdef CR_NV_texture_rectangle

DIRTY(g->texture.unit[i].currentTextureRect->dirty, g->neg_bitid);

#endif

DIRTY(g->texture.unit[i].currentTexture1D->paramsBit[i], g->neg_bitid);

DIRTY(g->texture.unit[i].currentTexture2D->paramsBit[i], g->neg_bitid);

DIRTY(g->texture.unit[i].currentTexture3D->paramsBit[i], g->neg_bitid);

#ifdef CR_ARB_texture_cube_map

DIRTY(g->texture.unit[i].currentTextureCubeMap->paramsBit[i], g->neg_bitid);

#endif

#ifdef CR_NV_texture_rectangle

DIRTY(g->texture.unit[i].currentTextureRect->paramsBit[i], g->neg_bitid);

#endif

}

}

if (mask & GL_TRANSFORM_BIT)

{

if (a->transformStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty transform stack!" );

return;

}

a->transformStackDepth--;

g->transform.matrixMode = a->transformStack[a->transformStackDepth].matrixMode;

crStateMatrixMode(g->transform.matrixMode);

for (i = 0 ; i < g->limits.maxClipPlanes ; i++)

{

g->transform.clip[i] = a->transformStack[a->transformStackDepth].clip[i];

g->transform.clipPlane[i] = a->transformStack[a->transformStackDepth].clipPlane[i];

}

g->transform.normalize = a->transformStack[a->transformStackDepth].normalize;

#ifdef CR_OPENGL_VERSION_1_2

g->transform.rescaleNormals = a->transformStack[a->transformStackDepth].rescaleNormals;

#endif

DIRTY(sb->transform.dirty, g->neg_bitid);

DIRTY(sb->transform.matrixMode, g->neg_bitid);

DIRTY(sb->transform.clipPlane, g->neg_bitid);

DIRTY(sb->transform.enable, g->neg_bitid);

}

if (mask & GL_VIEWPORT_BIT)

{

if (a->viewportStackDepth == 0)

{

crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW, "glPopAttrib called with an empty viewport stack!" );

return;

}

a->viewportStackDepth--;

g->viewport.viewportX = a->viewportStack[a->viewportStackDepth].viewportX;

g->viewport.viewportY = a->viewportStack[a->viewportStackDepth].viewportY;

g->viewport.viewportW = a->viewportStack[a->viewportStackDepth].viewportW;

g->viewport.viewportH = a->viewportStack[a->viewportStackDepth].viewportH;

g->viewport.nearClip = a->viewportStack[a->viewportStackDepth].nearClip;

g->viewport.farClip = a->viewportStack[a->viewportStackDepth].farClip;

DIRTY(sb->viewport.dirty, g->neg_bitid);

DIRTY(sb->viewport.v_dims, g->neg_bitid);

DIRTY(sb->viewport.depth, g->neg_bitid);

}

DIRTY(ab->dirty, g->neg_bitid);

}

void crStateAttribSwitch( CRAttribBits *bb, CRbitvalue *bitID,

CRContext *fromCtx, CRContext *toCtx )

{

CRAttribState *to = &(toCtx->attrib);

CRAttribState *from = &(fromCtx->attrib);

if (to->attribStackDepth != 0 || from->attribStackDepth != 0)

{

crWarning( "Trying to switch contexts when the attribute stacks "

"weren't empty. Currently, this is not supported." );

}

(void) bb;

(void) bitID;

}