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/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include "cr_error.h"
#include "unpack_extend.h"
#include "unpacker.h"
#include "cr_glstate.h"
/**
* \mainpage Unpacker
*
* \section UnpackerIntroduction Introduction
*
* Chromium consists of all the top-level files in the cr
* directory. The unpacker module basically takes care of API dispatch,
* and OpenGL state management.
*
*/
void crUnpackExtendVertexPointer(void)
{
GLint size = READ_DATA( 8, GLint );
GLenum type = READ_DATA( 12, GLenum );
GLsizei stride = READ_DATA( 16, GLsizei );
GLintptrARB pointer = (GLintptrARB) READ_DATA( 20, GLuint );
cr_unpackDispatch.VertexPointer( size, type, stride, (void *) pointer );
}
void crUnpackExtendTexCoordPointer(void)
{
GLint size = READ_DATA( 8, GLint );
GLenum type = READ_DATA( 12, GLenum );
GLsizei stride = READ_DATA( 16, GLsizei );
GLintptrARB pointer = READ_DATA( 20, GLuint );
cr_unpackDispatch.TexCoordPointer( size, type, stride, (void *) pointer );
}
void crUnpackExtendNormalPointer(void)
{
GLenum type = READ_DATA( 8, GLenum );
GLsizei stride = READ_DATA( 12, GLsizei );
GLintptrARB pointer = READ_DATA( 16, GLuint );
cr_unpackDispatch.NormalPointer( type, stride, (void *) pointer );
}
void crUnpackExtendIndexPointer(void)
{
GLenum type = READ_DATA( 8, GLenum );
GLsizei stride = READ_DATA( 12, GLsizei );
GLintptrARB pointer = READ_DATA( 16, GLuint );
cr_unpackDispatch.IndexPointer( type, stride, (void *) pointer );
}
void crUnpackExtendEdgeFlagPointer(void)
{
GLsizei stride = READ_DATA( 8, GLsizei );
GLintptrARB pointer = READ_DATA( 12, GLuint );
cr_unpackDispatch.EdgeFlagPointer( stride, (void *) pointer );
}
void crUnpackExtendColorPointer(void)
{
GLint size = READ_DATA( 8, GLint );
GLenum type = READ_DATA( 12, GLenum );
GLsizei stride = READ_DATA( 16, GLsizei );
GLintptrARB pointer = READ_DATA( 20, GLuint );
cr_unpackDispatch.ColorPointer( size, type, stride, (void *) pointer );
}
void crUnpackExtendFogCoordPointerEXT(void)
{
GLenum type = READ_DATA( 8, GLenum );
GLsizei stride = READ_DATA( 12, GLsizei );
GLintptrARB pointer = READ_DATA( 16, GLuint );
cr_unpackDispatch.FogCoordPointerEXT( type, stride, (void *) pointer );
}
void crUnpackExtendSecondaryColorPointerEXT(void)
{
GLint size = READ_DATA( 8, GLint );
GLenum type = READ_DATA( 12, GLenum );
GLsizei stride = READ_DATA( 16, GLsizei );
GLintptrARB pointer = READ_DATA( 20, GLuint );
cr_unpackDispatch.SecondaryColorPointerEXT( size, type, stride, (void *) pointer );
}
void crUnpackExtendVertexAttribPointerARB(void)
{
GLuint index = READ_DATA( 8, GLuint);
GLint size = READ_DATA( 12, GLint );
GLenum type = READ_DATA( 16, GLenum );
GLboolean normalized = READ_DATA( 20, GLboolean );
GLsizei stride = READ_DATA( 24, GLsizei );
GLintptrARB pointer = READ_DATA( 28, GLuint );
cr_unpackDispatch.VertexAttribPointerARB( index, size, type, normalized, stride, (void *) pointer );
}
void crUnpackExtendVertexAttribPointerNV(void)
{
GLuint index = READ_DATA( 8, GLuint);
GLint size = READ_DATA( 12, GLint );
GLenum type = READ_DATA( 16, GLenum );
GLsizei stride = READ_DATA( 20, GLsizei );
GLintptrARB pointer = READ_DATA( 24, GLuint );
cr_unpackDispatch.VertexAttribPointerNV( index, size, type, stride, (void *) pointer );
}
void crUnpackExtendInterleavedArrays(void)
{
GLenum format = READ_DATA( 8, GLenum );
GLsizei stride = READ_DATA( 12, GLsizei );
GLintptrARB pointer = READ_DATA( 16, GLuint );
cr_unpackDispatch.InterleavedArrays( format, stride, (void *) pointer );
}
void crUnpackExtendDrawElements(void)
{
GLenum mode = READ_DATA( 8, GLenum );
GLsizei count = READ_DATA( 12, GLsizei );
GLenum type = READ_DATA( 16, GLenum );
GLintptrARB indices = READ_DATA( 20, GLuint );
void * indexptr;
#ifdef CR_ARB_vertex_buffer_object
GLboolean hasidxdata = READ_DATA(24, GLint);
indexptr = hasidxdata ? DATA_POINTER(28, void) : (void*)indices;
#else
indexptr = DATA_POINTER(24, void);
#endif
cr_unpackDispatch.DrawElements(mode, count, type, indexptr);
}
void crUnpackExtendDrawRangeElements(void)
{
GLenum mode = READ_DATA( 8, GLenum );
GLuint start = READ_DATA( 12, GLuint );
GLuint end = READ_DATA( 16, GLuint );
GLsizei count = READ_DATA( 20, GLsizei );
GLenum type = READ_DATA( 24, GLenum );
GLintptrARB indices = READ_DATA( 28, GLuint );
void * indexptr;
#ifdef CR_ARB_vertex_buffer_object
GLboolean hasidxdata = READ_DATA(32, GLint);
indexptr = hasidxdata ? DATA_POINTER(36, void) : (void*)indices;
#else
indexptr = DATA_POINTER(32, void);
#endif
cr_unpackDispatch.DrawRangeElements(mode, start, end, count, type, indexptr);
}
void crUnpackMultiDrawArraysEXT(void)
{
crError( "Can't decode MultiDrawArraysEXT" );
}
void crUnpackMultiDrawElementsEXT(void)
{
crError( "Can't decode MultiDrawElementsEXT" );
}
static void crUnpackSetClientPointerByIndex(int index, GLint size,
GLenum type, GLboolean normalized,
GLsizei stride, const GLvoid *pointer, CRClientState *c)
{
/*crDebug("crUnpackSetClientPointerByIndex: %i(s=%i, t=0x%x, n=%i, str=%i) -> %p", index, size, type, normalized, stride, pointer);*/
if (index<7)
{
switch (index)
{
case 0:
cr_unpackDispatch.VertexPointer(size, type, stride, pointer);
break;
case 1:
cr_unpackDispatch.ColorPointer(size, type, stride, pointer);
break;
case 2:
cr_unpackDispatch.FogCoordPointerEXT(type, stride, pointer);
break;
case 3:
cr_unpackDispatch.SecondaryColorPointerEXT(size, type, stride, pointer);
break;
case 4:
cr_unpackDispatch.EdgeFlagPointer(stride, pointer);
break;
case 5:
cr_unpackDispatch.IndexPointer(type, stride, pointer);
break;
case 6:
cr_unpackDispatch.NormalPointer(type, stride, pointer);
break;
}
}
else if (index<(7+CR_MAX_TEXTURE_UNITS))
{
int curTexUnit = c->curClientTextureUnit;
if ((index-7)!=curTexUnit)
{
cr_unpackDispatch.ClientActiveTextureARB(GL_TEXTURE0_ARB+index-7);
}
cr_unpackDispatch.TexCoordPointer(size, type, stride, pointer);
if ((index-7)!=curTexUnit)
{
cr_unpackDispatch.ClientActiveTextureARB(GL_TEXTURE0_ARB+curTexUnit);
}
}
else
{
cr_unpackDispatch.VertexAttribPointerARB(index-7-CR_MAX_TEXTURE_UNITS,
size, type, normalized, stride, pointer);
}
}
void crUnpackExtendLockArraysEXT(void)
{
GLint first = READ_DATA(sizeof(int) + 4, GLint);
GLint count = READ_DATA(sizeof(int) + 8, GLint);
int numenabled = READ_DATA(sizeof(int) + 12, int);
CRContext *g = crStateGetCurrent();
CRClientState *c = &g->client;
CRClientPointer *cp;
int i, index, offset;
unsigned char *data;
if (first < 0 || count <= 0 || first >= INT32_MAX - count)
{
crError("crUnpackExtendLockArraysEXT: first(%i) count(%i), parameters out of range", first, count);
return;
}
if (numenabled <= 0 || numenabled >= CRSTATECLIENT_MAX_VERTEXARRAYS)
{
crError("crUnpackExtendLockArraysEXT: numenabled(%i), parameter out of range", numenabled);
return;
}
offset = 2 * sizeof(int) + 12;
/*crDebug("crUnpackExtendLockArraysEXT(%i, %i) ne=%i", first, count, numenabled);*/
for (i = 0; i < numenabled; ++i)
{
index = READ_DATA(offset, int);
offset += sizeof(int);
cp = crStateGetClientPointerByIndex(index, &c->array);
CRASSERT(cp && cp->enabled && (!cp->buffer || !cp->buffer->id));
if (cp && cp->bytesPerIndex > 0)
{
if (first + count >= INT32_MAX / cp->bytesPerIndex)
{
crError("crUnpackExtendLockArraysEXT: first(%i) count(%i) bpi(%i), parameters out of range", first, count, cp->bytesPerIndex);
return;
}
data = crAlloc((first + count) * cp->bytesPerIndex);
if (data)
{
crMemcpy(data + first * cp->bytesPerIndex, DATA_POINTER(offset, GLvoid), count * cp->bytesPerIndex);
/*crDebug("crUnpackExtendLockArraysEXT: old cp(%i): en/l=%i(%i) p=%p size=%i type=0x%x n=%i str=%i pp=%p pstr=%i",
index, cp->enabled, cp->locked, cp->p, cp->size, cp->type, cp->normalized, cp->stride, cp->prevPtr, cp->prevStride);*/
crUnpackSetClientPointerByIndex(index, cp->size, cp->type, cp->normalized, 0, data, c);
/*crDebug("crUnpackExtendLockArraysEXT: new cp(%i): en/l=%i(%i) p=%p size=%i type=0x%x n=%i str=%i pp=%p pstr=%i",
index, cp->enabled, cp->locked, cp->p, cp->size, cp->type, cp->normalized, cp->stride, cp->prevPtr, cp->prevStride);*/
}
else
{
crError("crUnpackExtendLockArraysEXT: crAlloc failed");
return;
}
}
else
{
crError("crUnpackExtendLockArraysEXT: wrong CRClientState %i", index);
return;
}
offset += count * cp->bytesPerIndex;
}
cr_unpackDispatch.LockArraysEXT(first, count);
}
void crUnpackExtendUnlockArraysEXT(void)
{
int i;
CRContext *g = crStateGetCurrent();
CRClientState *c = &g->client;
CRClientPointer *cp;
/*crDebug("crUnpackExtendUnlockArraysEXT");*/
cr_unpackDispatch.UnlockArraysEXT();
for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
{
cp = crStateGetClientPointerByIndex(i, &c->array);
if (cp->enabled)
{
/*crDebug("crUnpackExtendUnlockArraysEXT: old cp(%i): en/l=%i(%i) p=%p size=%i type=0x%x n=%i str=%i pp=%p pstr=%i",
i, cp->enabled, cp->locked, cp->p, cp->size, cp->type, cp->normalized, cp->stride, cp->prevPtr, cp->prevStride);*/
crUnpackSetClientPointerByIndex(i, cp->size, cp->type, cp->normalized, cp->prevStride, cp->prevPtr, c);
/*crDebug("crUnpackExtendUnlockArraysEXT: new cp(%i): en/l=%i(%i) p=%p size=%i type=0x%x n=%i str=%i pp=%p pstr=%i",
i, cp->enabled, cp->locked, cp->p, cp->size, cp->type, cp->normalized, cp->stride, cp->prevPtr, cp->prevStride);*/
}
}
}
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