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Diffstat (limited to 'src/VBox/GuestHost/OpenGL/state_tracker/state_client.c')
-rw-r--r--src/VBox/GuestHost/OpenGL/state_tracker/state_client.c2433
1 files changed, 2433 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/OpenGL/state_tracker/state_client.c b/src/VBox/GuestHost/OpenGL/state_tracker/state_client.c
new file mode 100644
index 00000000..6ca6e159
--- /dev/null
+++ b/src/VBox/GuestHost/OpenGL/state_tracker/state_client.c
@@ -0,0 +1,2433 @@
+/* Copyright (c) 2001, Stanford University
+ * All rights reserved
+ *
+ * See the file LICENSE.txt for information on redistributing this software.
+ */
+
+/*
+ * This file manages all the client-side state including:
+ * Pixel pack/unpack parameters
+ * Vertex arrays
+ */
+
+
+#include "cr_mem.h"
+#include "state.h"
+#include "state/cr_statetypes.h"
+#include "state/cr_statefuncs.h"
+#include "state_internals.h"
+
+const CRPixelPackState crStateNativePixelPacking = {
+ 0, /* rowLength */
+ 0, /* skipRows */
+ 0, /* skipPixels */
+ 1, /* alignment */
+ 0, /* imageHeight */
+ 0, /* skipImages */
+ GL_FALSE, /* swapBytes */
+ GL_FALSE, /* psLSBFirst */
+};
+
+
+void crStateClientInitBits (CRClientBits *c)
+{
+ int i;
+
+ /* XXX why GLCLIENT_BIT_ALLOC? */
+ c->v = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ c->n = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ c->c = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ c->s = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ c->i = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ for ( i = 0; i < CR_MAX_TEXTURE_UNITS; i++ )
+ c->t[i] = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ c->e = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+ c->f = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+
+#ifdef CR_NV_vertex_program
+ for ( i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++ )
+ c->a[i] = (CRbitvalue *) crCalloc(GLCLIENT_BIT_ALLOC*sizeof(CRbitvalue));
+#endif
+}
+
+void crStateClientDestroyBits (CRClientBits *c)
+{
+ int i;
+
+ crFree(c->v);
+ crFree(c->n);
+ crFree(c->c);
+ crFree(c->s);
+ crFree(c->i);
+
+ for ( i = 0; i < CR_MAX_TEXTURE_UNITS; i++ )
+ crFree(c->t[i]);
+
+ crFree(c->e);
+ crFree(c->f);
+
+#ifdef CR_NV_vertex_program
+ for ( i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++ )
+ crFree(c->a[i]);
+#endif
+}
+
+static void crStateUnlockClientPointer(CRClientPointer* cp)
+{
+ if (cp->locked)
+ {
+#ifndef IN_GUEST
+ if (cp->p) crFree(cp->p);
+#endif
+ cp->locked = GL_FALSE;
+ }
+}
+
+void crStateClientDestroy(CRContext *g)
+{
+ CRClientState *c = &(g->client);
+#ifdef CR_EXT_compiled_vertex_array
+ if (c->array.locked)
+ {
+ unsigned int i;
+
+ crStateUnlockClientPointer(&c->array.v);
+ crStateUnlockClientPointer(&c->array.c);
+ crStateUnlockClientPointer(&c->array.f);
+ crStateUnlockClientPointer(&c->array.s);
+ crStateUnlockClientPointer(&c->array.e);
+ crStateUnlockClientPointer(&c->array.i);
+ crStateUnlockClientPointer(&c->array.n);
+ for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
+ {
+ crStateUnlockClientPointer(&c->array.t[i]);
+ }
+ for (i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++)
+ {
+ crStateUnlockClientPointer(&c->array.a[i]);
+ }
+ }
+#endif
+}
+
+void crStateClientInit(CRContext *ctx)
+{
+ CRClientState *c = &(ctx->client);
+ unsigned int i;
+
+ /* pixel pack/unpack */
+ c->unpack.rowLength = 0;
+ c->unpack.skipRows = 0;
+ c->unpack.skipPixels = 0;
+ c->unpack.skipImages = 0;
+ c->unpack.alignment = 4;
+ c->unpack.imageHeight = 0;
+ c->unpack.swapBytes = GL_FALSE;
+ c->unpack.psLSBFirst = GL_FALSE;
+ c->pack.rowLength = 0;
+ c->pack.skipRows = 0;
+ c->pack.skipPixels = 0;
+ c->pack.skipImages = 0;
+ c->pack.alignment = 4;
+ c->pack.imageHeight = 0;
+ c->pack.swapBytes = GL_FALSE;
+ c->pack.psLSBFirst = GL_FALSE;
+
+ /* ARB multitexture */
+ c->curClientTextureUnit = 0;
+
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.lockFirst = 0;
+ c->array.lockCount = 0;
+ c->array.locked = GL_FALSE;
+# ifdef IN_GUEST
+ c->array.synced = GL_FALSE;
+# endif
+#endif
+
+ /* vertex array */
+ c->array.v.p = NULL;
+ c->array.v.size = 4;
+ c->array.v.type = GL_FLOAT;
+ c->array.v.stride = 0;
+ c->array.v.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.v.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.v.buffer)
+ ++c->array.v.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.v.locked = GL_FALSE;
+ c->array.v.prevPtr = NULL;
+ c->array.v.prevStride = 0;
+#endif
+
+ /* color array */
+ c->array.c.p = NULL;
+ c->array.c.size = 4;
+ c->array.c.type = GL_FLOAT;
+ c->array.c.stride = 0;
+ c->array.c.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.c.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.c.buffer)
+ ++c->array.c.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.c.locked = GL_FALSE;
+ c->array.c.prevPtr = NULL;
+ c->array.c.prevStride = 0;
+#endif
+
+ /* fog array */
+ c->array.f.p = NULL;
+ c->array.f.size = 0;
+ c->array.f.type = GL_FLOAT;
+ c->array.f.stride = 0;
+ c->array.f.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.f.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.f.buffer)
+ ++c->array.f.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.f.locked = GL_FALSE;
+ c->array.f.prevPtr = NULL;
+ c->array.f.prevStride = 0;
+#endif
+
+ /* secondary color array */
+ c->array.s.p = NULL;
+ c->array.s.size = 3;
+ c->array.s.type = GL_FLOAT;
+ c->array.s.stride = 0;
+ c->array.s.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.s.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.s.buffer)
+ ++c->array.s.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.s.locked = GL_FALSE;
+ c->array.s.prevPtr = NULL;
+ c->array.s.prevStride = 0;
+#endif
+
+ /* edge flag array */
+ c->array.e.p = NULL;
+ c->array.e.size = 0;
+ c->array.e.type = GL_FLOAT;
+ c->array.e.stride = 0;
+ c->array.e.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.e.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.e.buffer)
+ ++c->array.e.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.e.locked = GL_FALSE;
+ c->array.e.prevPtr = NULL;
+ c->array.e.prevStride = 0;
+#endif
+
+ /* color index array */
+ c->array.i.p = NULL;
+ c->array.i.size = 0;
+ c->array.i.type = GL_FLOAT;
+ c->array.i.stride = 0;
+ c->array.i.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.i.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.i.buffer)
+ ++c->array.i.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.i.locked = GL_FALSE;
+ c->array.i.prevPtr = NULL;
+ c->array.i.prevStride = 0;
+#endif
+
+ /* normal array */
+ c->array.n.p = NULL;
+ c->array.n.size = 4;
+ c->array.n.type = GL_FLOAT;
+ c->array.n.stride = 0;
+ c->array.n.enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.n.buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.n.buffer)
+ ++c->array.n.buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.n.locked = GL_FALSE;
+ c->array.n.prevPtr = NULL;
+ c->array.n.prevStride = 0;
+#endif
+
+ /* texcoord arrays */
+ for (i = 0 ; i < CR_MAX_TEXTURE_UNITS ; i++)
+ {
+ c->array.t[i].p = NULL;
+ c->array.t[i].size = 4;
+ c->array.t[i].type = GL_FLOAT;
+ c->array.t[i].stride = 0;
+ c->array.t[i].enabled = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.t[i].buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.t[i].buffer)
+ ++c->array.t[i].buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.t[i].locked = GL_FALSE;
+ c->array.t[i].prevPtr = NULL;
+ c->array.t[i].prevStride = 0;
+#endif
+ }
+
+ /* generic vertex attributes */
+#ifdef CR_NV_vertex_program
+ for (i = 0; i < CR_MAX_VERTEX_ATTRIBS; i++) {
+ c->array.a[i].enabled = GL_FALSE;
+ c->array.a[i].type = GL_FLOAT;
+ c->array.a[i].size = 4;
+ c->array.a[i].stride = 0;
+#ifdef CR_ARB_vertex_buffer_object
+ c->array.a[i].buffer = ctx->bufferobject.arrayBuffer;
+ if (c->array.a[i].buffer)
+ ++c->array.a[i].buffer->refCount;
+#endif
+#ifdef CR_EXT_compiled_vertex_array
+ c->array.a[i].locked = GL_FALSE;
+ c->array.a[i].prevPtr = NULL;
+ c->array.a[i].prevStride = 0;
+#endif
+ }
+#endif
+}
+
+
+/*
+ * PixelStore functions are here, not in state_pixel.c because this
+ * is client-side state, like vertex arrays.
+ */
+
+void STATE_APIENTRY crStatePixelStoref (GLenum pname, GLfloat param)
+{
+
+ /* The GL SPEC says I can do this on page 76. */
+ switch( pname )
+ {
+ case GL_PACK_SWAP_BYTES:
+ case GL_PACK_LSB_FIRST:
+ case GL_UNPACK_SWAP_BYTES:
+ case GL_UNPACK_LSB_FIRST:
+ crStatePixelStorei( pname, param == 0.0f ? 0: 1 );
+ break;
+ default:
+ crStatePixelStorei( pname, (GLint) param );
+ break;
+ }
+}
+
+void STATE_APIENTRY crStatePixelStorei (GLenum pname, GLint param)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ if (g->current.inBeginEnd)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "PixelStore{if} called in Begin/End");
+ return;
+ }
+
+ FLUSH();
+
+ switch(pname) {
+ case GL_PACK_SWAP_BYTES:
+ c->pack.swapBytes = (GLboolean) param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+ case GL_PACK_LSB_FIRST:
+ c->pack.psLSBFirst = (GLboolean) param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+ case GL_PACK_ROW_LENGTH:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Row Length: %f", param);
+ return;
+ }
+ c->pack.rowLength = param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+#ifdef CR_OPENGL_VERSION_1_2
+ case GL_PACK_IMAGE_HEIGHT:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Image Height: %f", param);
+ return;
+ }
+ c->pack.imageHeight = param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+#endif
+ case GL_PACK_SKIP_IMAGES:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Skip Images: %f", param);
+ return;
+ }
+ c->pack.skipImages = param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+ case GL_PACK_SKIP_PIXELS:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Skip Pixels: %f", param);
+ return;
+ }
+ c->pack.skipPixels = param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+ case GL_PACK_SKIP_ROWS:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Row Skip: %f", param);
+ return;
+ }
+ c->pack.skipRows = param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+ case GL_PACK_ALIGNMENT:
+ if (((GLint) param) != 1 &&
+ ((GLint) param) != 2 &&
+ ((GLint) param) != 4 &&
+ ((GLint) param) != 8)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Invalid Alignment: %f", param);
+ return;
+ }
+ c->pack.alignment = param;
+ DIRTY(cb->pack, g->neg_bitid);
+ break;
+
+ case GL_UNPACK_SWAP_BYTES:
+ c->unpack.swapBytes = (GLboolean) param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+ case GL_UNPACK_LSB_FIRST:
+ c->unpack.psLSBFirst = (GLboolean) param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+ case GL_UNPACK_ROW_LENGTH:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Row Length: %f", param);
+ return;
+ }
+ c->unpack.rowLength = param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+#ifdef CR_OPENGL_VERSION_1_2
+ case GL_UNPACK_IMAGE_HEIGHT:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Image Height: %f", param);
+ return;
+ }
+ c->unpack.imageHeight = param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+#endif
+ case GL_UNPACK_SKIP_IMAGES:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Skip Images: %f", param);
+ return;
+ }
+ c->unpack.skipImages = param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+ case GL_UNPACK_SKIP_PIXELS:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Skip Pixels: %f", param);
+ return;
+ }
+ c->unpack.skipPixels = param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+ case GL_UNPACK_SKIP_ROWS:
+ if (param < 0.0f)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Negative Row Skip: %f", param);
+ return;
+ }
+ c->unpack.skipRows = param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+ case GL_UNPACK_ALIGNMENT:
+ if (((GLint) param) != 1 &&
+ ((GLint) param) != 2 &&
+ ((GLint) param) != 4 &&
+ ((GLint) param) != 8)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Invalid Alignment: %f", param);
+ return;
+ }
+ c->unpack.alignment = param;
+ DIRTY(cb->unpack, g->neg_bitid);
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "Unknown glPixelStore Pname: %d", pname);
+ return;
+ }
+ DIRTY(cb->dirty, g->neg_bitid);
+}
+
+
+static void setClientState(CRClientState *c, CRClientBits *cb,
+ CRbitvalue *neg_bitid, GLenum array, GLboolean state)
+{
+ CRContext *g = GetCurrentContext();
+
+ switch (array)
+ {
+#ifdef CR_NV_vertex_program
+ case GL_VERTEX_ATTRIB_ARRAY0_NV:
+ case GL_VERTEX_ATTRIB_ARRAY1_NV:
+ case GL_VERTEX_ATTRIB_ARRAY2_NV:
+ case GL_VERTEX_ATTRIB_ARRAY3_NV:
+ case GL_VERTEX_ATTRIB_ARRAY4_NV:
+ case GL_VERTEX_ATTRIB_ARRAY5_NV:
+ case GL_VERTEX_ATTRIB_ARRAY6_NV:
+ case GL_VERTEX_ATTRIB_ARRAY7_NV:
+ case GL_VERTEX_ATTRIB_ARRAY8_NV:
+ case GL_VERTEX_ATTRIB_ARRAY9_NV:
+ case GL_VERTEX_ATTRIB_ARRAY10_NV:
+ case GL_VERTEX_ATTRIB_ARRAY11_NV:
+ case GL_VERTEX_ATTRIB_ARRAY12_NV:
+ case GL_VERTEX_ATTRIB_ARRAY13_NV:
+ case GL_VERTEX_ATTRIB_ARRAY14_NV:
+ case GL_VERTEX_ATTRIB_ARRAY15_NV:
+ {
+ const GLuint i = array - GL_VERTEX_ATTRIB_ARRAY0_NV;
+ c->array.a[i].enabled = state;
+ }
+ break;
+#endif
+ case GL_VERTEX_ARRAY:
+ c->array.v.enabled = state;
+ break;
+ case GL_COLOR_ARRAY:
+ c->array.c.enabled = state;
+ break;
+ case GL_NORMAL_ARRAY:
+ c->array.n.enabled = state;
+ break;
+ case GL_INDEX_ARRAY:
+ c->array.i.enabled = state;
+ break;
+ case GL_TEXTURE_COORD_ARRAY:
+ c->array.t[c->curClientTextureUnit].enabled = state;
+ break;
+ case GL_EDGE_FLAG_ARRAY:
+ c->array.e.enabled = state;
+ break;
+#ifdef CR_EXT_fog_coord
+ case GL_FOG_COORDINATE_ARRAY_EXT:
+ c->array.f.enabled = state;
+ break;
+#endif
+#ifdef CR_EXT_secondary_color
+ case GL_SECONDARY_COLOR_ARRAY_EXT:
+ if( g->extensions.EXT_secondary_color ){
+ c->array.s.enabled = state;
+ }
+ else {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "Invalid Enum passed to Enable/Disable Client State: SECONDARY_COLOR_ARRAY_EXT - EXT_secondary_color is not enabled." );
+ return;
+ }
+ break;
+#endif
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "Invalid Enum passed to Enable/Disable Client State: 0x%x", array );
+ return;
+ }
+ DIRTY(cb->dirty, neg_bitid);
+ DIRTY(cb->enableClientState, neg_bitid);
+}
+
+void STATE_APIENTRY crStateEnableClientState (GLenum array)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ setClientState(c, cb, g->neg_bitid, array, GL_TRUE);
+}
+
+void STATE_APIENTRY crStateDisableClientState (GLenum array)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ setClientState(c, cb, g->neg_bitid, array, GL_FALSE);
+}
+
+static void
+crStateClientSetPointer(CRClientPointer *cp, GLint size,
+ GLenum type, GLboolean normalized,
+ GLsizei stride, const GLvoid *pointer)
+{
+ CRContext *g = GetCurrentContext();
+
+#ifdef CR_EXT_compiled_vertex_array
+ crStateUnlockClientPointer(cp);
+ cp->prevPtr = cp->p;
+ cp->prevStride = cp->stride;
+#endif
+
+ cp->p = (unsigned char *) pointer;
+ cp->size = size;
+ cp->type = type;
+ cp->normalized = normalized;
+
+ /* Calculate the bytes per index for address calculation */
+ cp->bytesPerIndex = size;
+ switch (type)
+ {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ cp->bytesPerIndex *= sizeof(GLshort);
+ break;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ cp->bytesPerIndex *= sizeof(GLint);
+ break;
+ case GL_FLOAT:
+ cp->bytesPerIndex *= sizeof(GLfloat);
+ break;
+ case GL_DOUBLE:
+ cp->bytesPerIndex *= sizeof(GLdouble);
+ break;
+ default:
+ crStateError( __LINE__, __FILE__, GL_INVALID_VALUE,
+ "Unknown type of vertex array: %d", type );
+ return;
+ }
+
+ /*
+ ** Note: If stride==0 then we set the
+ ** stride equal address offset
+ ** therefore stride can never equal
+ ** zero.
+ */
+ if (stride)
+ cp->stride = stride;
+ else
+ cp->stride = cp->bytesPerIndex;
+
+#ifdef CR_ARB_vertex_buffer_object
+ if (cp->buffer)
+ {
+ --cp->buffer->refCount;
+ CRASSERT(cp->buffer->refCount && cp->buffer->refCount < UINT32_MAX/2);
+ }
+ cp->buffer = g->bufferobject.arrayBuffer;
+ if (cp->buffer)
+ ++cp->buffer->refCount;
+#endif
+}
+
+void STATE_APIENTRY crStateVertexPointer(GLint size, GLenum type,
+ GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (size != 2 && size != 3 && size != 4)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glVertexPointer: invalid size: %d", size);
+ return;
+ }
+ if (type != GL_SHORT && type != GL_INT &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glVertexPointer: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glVertexPointer: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.v), size, type, GL_FALSE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->v, g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateColorPointer(GLint size, GLenum type,
+ GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (size != 3 && size != 4)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glColorPointer: invalid size: %d", size);
+ return;
+ }
+ if (type != GL_BYTE && type != GL_UNSIGNED_BYTE &&
+ type != GL_SHORT && type != GL_UNSIGNED_SHORT &&
+ type != GL_INT && type != GL_UNSIGNED_INT &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glColorPointer: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glColorPointer: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.c), size, type, GL_TRUE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->c, g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateSecondaryColorPointerEXT(GLint size,
+ GLenum type, GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if ( !g->extensions.EXT_secondary_color )
+ {
+ crError( "glSecondaryColorPointerEXT called but EXT_secondary_color is disabled." );
+ return;
+ }
+
+ /*Note: According to opengl spec, only size==3 should be accepted here.
+ *But it turns out that most drivers accept size==4 here as well, and 4th value
+ *could even be accessed in shaders code.
+ *Having a strict check here, leads to difference between guest and host gpu states, which
+ *in turn could lead to crashes when using server side VBOs.
+ *@todo: add error reporting to state's VBO related functions and abort dispatching to
+ *real gpu on any failure to prevent other possible issues.
+ */
+
+ if ((size != 3) && (size != 4))
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glSecondaryColorPointerEXT: invalid size: %d", size);
+ return;
+ }
+ if (type != GL_BYTE && type != GL_UNSIGNED_BYTE &&
+ type != GL_SHORT && type != GL_UNSIGNED_SHORT &&
+ type != GL_INT && type != GL_UNSIGNED_INT &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glSecondaryColorPointerEXT: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glSecondaryColorPointerEXT: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.s), size, type, GL_TRUE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->s, g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateIndexPointer(GLenum type, GLsizei stride,
+ const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (type != GL_SHORT && type != GL_INT && type != GL_UNSIGNED_BYTE &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glIndexPointer: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glIndexPointer: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.i), 1, type, GL_TRUE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->i, g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateNormalPointer(GLenum type, GLsizei stride,
+ const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (type != GL_BYTE && type != GL_SHORT &&
+ type != GL_INT && type != GL_FLOAT &&
+ type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glNormalPointer: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glNormalPointer: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.n), 3, type, GL_TRUE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->n, g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateTexCoordPointer(GLint size, GLenum type,
+ GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (size != 1 && size != 2 && size != 3 && size != 4)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glTexCoordPointer: invalid size: %d", size);
+ return;
+ }
+ if (type != GL_SHORT && type != GL_INT &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glTexCoordPointer: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glTexCoordPointer: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.t[c->curClientTextureUnit]), size, type, GL_FALSE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->t[c->curClientTextureUnit], g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateEdgeFlagPointer(GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glTexCoordPointer: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.e), 1, GL_UNSIGNED_BYTE, GL_FALSE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->e, g->neg_bitid);
+}
+
+void STATE_APIENTRY crStateFogCoordPointerEXT(GLenum type, GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (type != GL_BYTE && type != GL_UNSIGNED_BYTE &&
+ type != GL_SHORT && type != GL_UNSIGNED_SHORT &&
+ type != GL_INT && type != GL_UNSIGNED_INT &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glFogCoordPointerEXT: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glFogCoordPointerEXT: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.f), 1, type, GL_FALSE, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->f, g->neg_bitid);
+}
+
+
+void STATE_APIENTRY crStateVertexAttribPointerNV(GLuint index, GLint size, GLenum type, GLsizei stride, const GLvoid *p)
+{
+ GLboolean normalized = GL_FALSE;
+ /* Extra error checking for NV arrays */
+ if (type != GL_UNSIGNED_BYTE && type != GL_SHORT &&
+ type != GL_FLOAT && type != GL_DOUBLE) {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+ "glVertexAttribPointerNV: invalid type: 0x%x", type);
+ return;
+ }
+ crStateVertexAttribPointerARB(index, size, type, normalized, stride, p);
+}
+
+
+void STATE_APIENTRY crStateVertexAttribPointerARB(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+
+ FLUSH();
+
+ if (index >= CR_MAX_VERTEX_ATTRIBS)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glVertexAttribPointerARB: invalid index: %d", (int) index);
+ return;
+ }
+ if (size != 1 && size != 2 && size != 3 && size != 4)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glVertexAttribPointerARB: invalid size: %d", size);
+ return;
+ }
+ if (type != GL_BYTE && type != GL_UNSIGNED_BYTE &&
+ type != GL_SHORT && type != GL_UNSIGNED_SHORT &&
+ type != GL_INT && type != GL_UNSIGNED_INT &&
+ type != GL_FLOAT && type != GL_DOUBLE)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glVertexAttribPointerARB: invalid type: 0x%x", type);
+ return;
+ }
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE, "glVertexAttribPointerARB: stride was negative: %d", stride);
+ return;
+ }
+
+ crStateClientSetPointer(&(c->array.a[index]), size, type, normalized, stride, p);
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ DIRTY(cb->a[index], g->neg_bitid);
+}
+
+
+void STATE_APIENTRY crStateGetVertexAttribPointervNV(GLuint index, GLenum pname, GLvoid **pointer)
+{
+ CRContext *g = GetCurrentContext();
+
+ if (g->current.inBeginEnd) {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
+ "glGetVertexAttribPointervNV called in Begin/End");
+ return;
+ }
+
+ if (index >= CR_MAX_VERTEX_ATTRIBS) {
+ crStateError(__LINE__, __FILE__, GL_INVALID_VALUE,
+ "glGetVertexAttribPointervNV(index)");
+ return;
+ }
+
+ if (pname != GL_ATTRIB_ARRAY_POINTER_NV) {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM,
+ "glGetVertexAttribPointervNV(pname)");
+ return;
+ }
+
+ *pointer = g->client.array.a[index].p;
+}
+
+
+void STATE_APIENTRY crStateGetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
+{
+ crStateGetVertexAttribPointervNV(index, pname, pointer);
+}
+
+
+
+/*
+** Currently I treat Interleaved Arrays as if the
+** user uses them as separate arrays.
+** Certainly not the most efficient method but it
+** lets me use the same glDrawArrays method.
+*/
+void STATE_APIENTRY crStateInterleavedArrays(GLenum format, GLsizei stride, const GLvoid *p)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+ CRClientPointer *cp;
+ unsigned char *base = (unsigned char *) p;
+
+ if (g->current.inBeginEnd)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glInterleavedArrays called in begin/end");
+ return;
+ }
+
+ FLUSH();
+
+ if (stride < 0)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION, "glInterleavedArrays: stride < 0: %d", stride);
+ return;
+ }
+
+ switch (format)
+ {
+ case GL_T4F_C4F_N3F_V4F:
+ case GL_T2F_C4F_N3F_V3F:
+ case GL_C4F_N3F_V3F:
+ case GL_T4F_V4F:
+ case GL_T2F_C3F_V3F:
+ case GL_T2F_N3F_V3F:
+ case GL_C3F_V3F:
+ case GL_N3F_V3F:
+ case GL_T2F_C4UB_V3F:
+ case GL_T2F_V3F:
+ case GL_C4UB_V3F:
+ case GL_V3F:
+ case GL_C4UB_V2F:
+ case GL_V2F:
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glInterleavedArrays: Unrecognized format: %d", format);
+ return;
+ }
+
+ DIRTY(cb->dirty, g->neg_bitid);
+ DIRTY(cb->clientPointer, g->neg_bitid);
+
+/* p, size, type, stride, enabled, bytesPerIndex */
+/*
+** VertexPointer
+*/
+
+ cp = &(c->array.v);
+ cp->type = GL_FLOAT;
+ cp->enabled = GL_TRUE;
+
+#ifdef CR_EXT_compiled_vertex_array
+ crStateUnlockClientPointer(cp);
+#endif
+
+ switch (format)
+ {
+ case GL_T4F_C4F_N3F_V4F:
+ cp->p = base+4*sizeof(GLfloat)+4*sizeof(GLfloat)+3*sizeof(GLfloat);
+ cp->size = 4;
+ break;
+ case GL_T2F_C4F_N3F_V3F:
+ cp->p = base+2*sizeof(GLfloat)+4*sizeof(GLfloat)+3*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_C4F_N3F_V3F:
+ cp->p = base+4*sizeof(GLfloat)+3*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_T4F_V4F:
+ cp->p = base+4*sizeof(GLfloat);
+ cp->size = 4;
+ break;
+ case GL_T2F_C3F_V3F:
+ cp->p = base+2*sizeof(GLfloat)+3*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_T2F_N3F_V3F:
+ cp->p = base+2*sizeof(GLfloat)+3*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_C3F_V3F:
+ cp->p = base+3*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_N3F_V3F:
+ cp->p = base+3*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_T2F_C4UB_V3F:
+ cp->p = base+2*sizeof(GLfloat)+4*sizeof(GLubyte);
+ cp->size = 3;
+ break;
+ case GL_T2F_V3F:
+ cp->p = base+2*sizeof(GLfloat);
+ cp->size = 3;
+ break;
+ case GL_C4UB_V3F:
+ cp->p = base+4*sizeof(GLubyte);
+ cp->size = 3;
+ break;
+ case GL_V3F:
+ cp->p = base;
+ cp->size = 3;
+ break;
+ case GL_C4UB_V2F:
+ cp->p = base+4*sizeof(GLubyte);
+ cp->size = 2;
+ break;
+ case GL_V2F:
+ cp->p = base;
+ cp->size = 2;
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glInterleavedArrays: Unrecognized format: %d", format);
+ return;
+ }
+
+ cp->bytesPerIndex = cp->size * sizeof (GLfloat);
+
+ if (stride==0)
+ stride = cp->bytesPerIndex + (cp->p - base);
+ cp->stride = stride;
+
+/*
+** NormalPointer
+*/
+
+ cp = &(c->array.n);
+ cp->enabled = GL_TRUE;
+ cp->stride = stride;
+#ifdef CR_EXT_compiled_vertex_array
+ crStateUnlockClientPointer(cp);
+#endif
+
+ switch (format)
+ {
+ case GL_T4F_C4F_N3F_V4F:
+ cp->p = base+4*sizeof(GLfloat)+4*sizeof(GLfloat);
+ break;
+ case GL_T2F_C4F_N3F_V3F:
+ cp->p = base+2*sizeof(GLfloat)+4*sizeof(GLfloat);
+ break;
+ case GL_C4F_N3F_V3F:
+ cp->p = base+4*sizeof(GLfloat);
+ break;
+ case GL_T2F_N3F_V3F:
+ cp->p = base+2*sizeof(GLfloat);
+ break;
+ case GL_N3F_V3F:
+ cp->p = base;
+ break;
+ case GL_T4F_V4F:
+ case GL_T2F_C3F_V3F:
+ case GL_C3F_V3F:
+ case GL_T2F_C4UB_V3F:
+ case GL_T2F_V3F:
+ case GL_C4UB_V3F:
+ case GL_V3F:
+ case GL_C4UB_V2F:
+ case GL_V2F:
+ cp->enabled = GL_FALSE;
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glInterleavedArrays: Unrecognized format: %d", format);
+ return;
+ }
+
+ if (cp->enabled)
+ {
+ cp->type = GL_FLOAT;
+ cp->size = 3;
+ cp->bytesPerIndex = cp->size * sizeof (GLfloat);
+ }
+
+/*
+** ColorPointer
+*/
+
+ cp = &(c->array.c);
+ cp->enabled = GL_TRUE;
+ cp->stride = stride;
+#ifdef CR_EXT_compiled_vertex_array
+ crStateUnlockClientPointer(cp);
+#endif
+
+ switch (format)
+ {
+ case GL_T4F_C4F_N3F_V4F:
+ cp->size = 4;
+ cp->type = GL_FLOAT;
+ cp->bytesPerIndex = cp->size * sizeof(GLfloat);
+ cp->p = base+4*sizeof(GLfloat);
+ break;
+ case GL_T2F_C4F_N3F_V3F:
+ cp->size = 4;
+ cp->type = GL_FLOAT;
+ cp->bytesPerIndex = cp->size * sizeof(GLfloat);
+ cp->p = base+2*sizeof(GLfloat);
+ break;
+ case GL_C4F_N3F_V3F:
+ cp->size = 4;
+ cp->type = GL_FLOAT;
+ cp->bytesPerIndex = cp->size * sizeof(GLfloat);
+ cp->p = base;
+ break;
+ case GL_T2F_C3F_V3F:
+ cp->size = 3;
+ cp->type = GL_FLOAT;
+ cp->bytesPerIndex = cp->size * sizeof(GLfloat);
+ cp->p = base+2*sizeof(GLfloat);
+ break;
+ case GL_C3F_V3F:
+ cp->size = 3;
+ cp->type = GL_FLOAT;
+ cp->bytesPerIndex = cp->size * sizeof(GLfloat);
+ cp->p = base;
+ break;
+ case GL_T2F_C4UB_V3F:
+ cp->size = 4;
+ cp->type = GL_UNSIGNED_BYTE;
+ cp->bytesPerIndex = cp->size * sizeof(GLubyte);
+ cp->p = base+2*sizeof(GLfloat);
+ break;
+ case GL_C4UB_V3F:
+ cp->size = 4;
+ cp->type = GL_UNSIGNED_BYTE;
+ cp->bytesPerIndex = cp->size * sizeof(GLubyte);
+ cp->p = base;
+ break;
+ case GL_C4UB_V2F:
+ cp->size = 4;
+ cp->type = GL_UNSIGNED_BYTE;
+ cp->bytesPerIndex = cp->size * sizeof(GLubyte);
+ cp->p = base;
+ break;
+ case GL_T2F_N3F_V3F:
+ case GL_N3F_V3F:
+ case GL_T4F_V4F:
+ case GL_T2F_V3F:
+ case GL_V3F:
+ case GL_V2F:
+ cp->enabled = GL_FALSE;
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glInterleavedArrays: Unrecognized format: %d", format);
+ return;
+ }
+
+/*
+** TexturePointer
+*/
+
+ cp = &(c->array.t[c->curClientTextureUnit]);
+ cp->enabled = GL_TRUE;
+ cp->stride = stride;
+#ifdef CR_EXT_compiled_vertex_array
+ crStateUnlockClientPointer(cp);
+#endif
+
+ switch (format)
+ {
+ case GL_T4F_C4F_N3F_V4F:
+ cp->size = 4;
+ cp->p = base;
+ break;
+ case GL_T2F_C4F_N3F_V3F:
+ cp->size = 3;
+ cp->p = base;
+ break;
+ case GL_T2F_C3F_V3F:
+ case GL_T2F_N3F_V3F:
+ cp->size = 3;
+ cp->p = base;
+ break;
+ case GL_T2F_C4UB_V3F:
+ cp->size = 3;
+ cp->p = base;
+ break;
+ case GL_T4F_V4F:
+ cp->size = 4;
+ cp->p = base;
+ break;
+ case GL_T2F_V3F:
+ cp->size = 3;
+ cp->p = base;
+ break;
+ case GL_C4UB_V3F:
+ case GL_C4UB_V2F:
+ case GL_C3F_V3F:
+ case GL_C4F_N3F_V3F:
+ case GL_N3F_V3F:
+ case GL_V3F:
+ case GL_V2F:
+ cp->enabled = GL_FALSE;
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "glInterleavedArrays: Unrecognized format: %d", format);
+ return;
+ }
+
+ if (cp->enabled)
+ {
+ cp->type = GL_FLOAT;
+ cp->bytesPerIndex = cp->size * sizeof (GLfloat);
+ }
+}
+
+void STATE_APIENTRY crStateGetPointerv(GLenum pname, GLvoid * * params)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+
+ if (g->current.inBeginEnd)
+ {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
+ "GetPointerv called in begin/end");
+ return;
+ }
+
+ switch (pname)
+ {
+ case GL_VERTEX_ARRAY_POINTER:
+ *params = (GLvoid *) c->array.v.p;
+ break;
+ case GL_COLOR_ARRAY_POINTER:
+ *params = (GLvoid *) c->array.c.p;
+ break;
+ case GL_NORMAL_ARRAY_POINTER:
+ *params = (GLvoid *) c->array.n.p;
+ break;
+ case GL_INDEX_ARRAY_POINTER:
+ *params = (GLvoid *) c->array.i.p;
+ break;
+ case GL_TEXTURE_COORD_ARRAY_POINTER:
+ *params = (GLvoid *) c->array.t[c->curClientTextureUnit].p;
+ break;
+ case GL_EDGE_FLAG_ARRAY_POINTER:
+ *params = (GLvoid *) c->array.e.p;
+ break;
+#ifdef CR_EXT_fog_coord
+ case GL_FOG_COORDINATE_ARRAY_POINTER_EXT:
+ *params = (GLvoid *) c->array.f.p;
+ break;
+#endif
+#ifdef CR_EXT_secondary_color
+ case GL_SECONDARY_COLOR_ARRAY_POINTER_EXT:
+ if( g->extensions.EXT_secondary_color ){
+ *params = (GLvoid *) c->array.s.p;
+ }
+ else {
+ crStateError(__LINE__, __FILE__, GL_INVALID_ENUM, "Invalid Enum passed to glGetPointerv: SECONDARY_COLOR_ARRAY_EXT - EXT_secondary_color is not enabled." );
+ return;
+ }
+ break;
+#endif
+ case GL_FEEDBACK_BUFFER_POINTER:
+ case GL_SELECTION_BUFFER_POINTER:
+ /* do nothing - API switching should pick this up */
+ break;
+ default:
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
+ "glGetPointerv: invalid pname: %d", pname);
+ return;
+ }
+}
+
+
+void STATE_APIENTRY crStatePushClientAttrib( GLbitfield mask )
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+
+ if (g->current.inBeginEnd) {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
+ "glPushClientAttrib called in Begin/End");
+ return;
+ }
+
+ if (c->attribStackDepth == CR_MAX_CLIENT_ATTRIB_STACK_DEPTH - 1) {
+ crStateError(__LINE__, __FILE__, GL_STACK_OVERFLOW,
+ "glPushClientAttrib called with a full stack!" );
+ return;
+ }
+
+ FLUSH();
+
+ c->pushMaskStack[c->attribStackDepth++] = mask;
+
+ if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
+ c->pixelPackStoreStack[c->pixelStoreStackDepth] = c->pack;
+ c->pixelUnpackStoreStack[c->pixelStoreStackDepth] = c->unpack;
+ c->pixelStoreStackDepth++;
+ }
+ if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
+ c->vertexArrayStack[c->vertexArrayStackDepth] = c->array;
+ c->vertexArrayStackDepth++;
+ }
+
+ /* dirty? - no, because we haven't really changed any state */
+}
+
+
+void STATE_APIENTRY crStatePopClientAttrib( void )
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ CRStateBits *sb = GetCurrentBits();
+ CRClientBits *cb = &(sb->client);
+ CRbitvalue mask;
+
+ if (g->current.inBeginEnd) {
+ crStateError(__LINE__, __FILE__, GL_INVALID_OPERATION,
+ "glPopClientAttrib called in Begin/End");
+ return;
+ }
+
+ if (c->attribStackDepth == 0) {
+ crStateError(__LINE__, __FILE__, GL_STACK_UNDERFLOW,
+ "glPopClientAttrib called with an empty stack!" );
+ return;
+ }
+
+ FLUSH();
+
+ mask = c->pushMaskStack[--c->attribStackDepth];
+
+ if (mask & GL_CLIENT_PIXEL_STORE_BIT) {
+ if (c->pixelStoreStackDepth == 0) {
+ crError("bug in glPopClientAttrib (pixel store) ");
+ return;
+ }
+ c->pixelStoreStackDepth--;
+ c->pack = c->pixelPackStoreStack[c->pixelStoreStackDepth];
+ c->unpack = c->pixelUnpackStoreStack[c->pixelStoreStackDepth];
+ DIRTY(cb->pack, g->neg_bitid);
+ }
+
+ if (mask & GL_CLIENT_VERTEX_ARRAY_BIT) {
+ if (c->vertexArrayStackDepth == 0) {
+ crError("bug in glPopClientAttrib (vertex array) ");
+ return;
+ }
+ c->vertexArrayStackDepth--;
+ c->array = c->vertexArrayStack[c->vertexArrayStackDepth];
+ DIRTY(cb->clientPointer, g->neg_bitid);
+ }
+
+ DIRTY(cb->dirty, g->neg_bitid);
+}
+
+static void crStateLockClientPointer(CRClientPointer* cp)
+{
+ crStateUnlockClientPointer(cp);
+ if (cp->enabled)
+ {
+ cp->locked = GL_TRUE;
+ }
+}
+
+static GLboolean crStateCanLockClientPointer(CRClientPointer* cp)
+{
+ return !(cp->enabled && cp->buffer && cp->buffer->id);
+}
+
+void STATE_APIENTRY crStateLockArraysEXT(GLint first, GLint count)
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ int i;
+
+ for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
+ {
+ if (!crStateCanLockClientPointer(crStateGetClientPointerByIndex(i, &c->array)))
+ {
+ break;
+ }
+ }
+ if (i<CRSTATECLIENT_MAX_VERTEXARRAYS)
+ {
+ crDebug("crStateLockArraysEXT ignored because array %i have a bound VBO", i);
+ return;
+ }
+
+ c->array.locked = GL_TRUE;
+ c->array.lockFirst = first;
+ c->array.lockCount = count;
+#ifdef IN_GUEST
+ c->array.synced = GL_FALSE;
+#endif
+
+ for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
+ {
+ crStateLockClientPointer(crStateGetClientPointerByIndex(i, &c->array));
+ }
+}
+
+void STATE_APIENTRY crStateUnlockArraysEXT()
+{
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ int i;
+
+ if (!c->array.locked)
+ {
+ crDebug("crStateUnlockArraysEXT ignored because arrays aren't locked");
+ return;
+ }
+
+ c->array.locked = GL_FALSE;
+#ifdef IN_GUEST
+ c->array.synced = GL_FALSE;
+#endif
+
+ for (i=0; i<CRSTATECLIENT_MAX_VERTEXARRAYS; ++i)
+ {
+ crStateUnlockClientPointer(crStateGetClientPointerByIndex(i, &c->array));
+ }
+}
+
+void STATE_APIENTRY crStateVertexArrayRangeNV(GLsizei length, const GLvoid *pointer)
+{
+ /* XXX todo */
+ crWarning("crStateVertexArrayRangeNV not implemented");
+ (void)length; (void)pointer;
+}
+
+
+void STATE_APIENTRY crStateFlushVertexArrayRangeNV(void)
+{
+ /* XXX todo */
+ crWarning("crStateFlushVertexArrayRangeNV not implemented");
+}
+
+/*Returns if the given clientpointer could be used on server side directly*/
+#define CRSTATE_IS_SERVER_CP(cp) (!(cp).enabled || !(cp).p || ((cp).buffer && (cp).buffer->id) || ((cp).locked))
+
+#if defined(DEBUG) && 0
+static void crStateDumpClientPointer(CRClientPointer *cp, const char *name, int i)
+{
+ if (i<0 && cp->enabled)
+ {
+ crDebug("CP(%s): enabled:%d ptr:%p buffer:%p buffer.name:%i locked: %i %s",
+ name, cp->enabled, cp->p, cp->buffer, cp->buffer ? cp->buffer->id : ~(GLuint)0, (int)cp->locked,
+ CRSTATE_IS_SERVER_CP(*cp) ? "":"!FAIL!");
+ }
+ else if (0==i || cp->enabled)
+ {
+ crDebug("CP(%s%i): enabled:%d ptr:%p buffer:%p buffer.name:%i locked: %i %s",
+ name, i, cp->enabled, cp->p, cp->buffer, cp->buffer ? cp->buffer->id : ~(GLuint)0, (int)cp->locked,
+ CRSTATE_IS_SERVER_CP(*cp) ? "":"!FAIL!");
+ }
+}
+#endif
+
+#ifdef DEBUG_misha
+/* debugging */
+/*# define CR_NO_SERVER_ARRAYS*/
+#endif
+
+/*
+ * Determine if the enabled arrays all live on the server
+ * (via GL_ARB_vertex_buffer_object).
+ */
+GLboolean crStateUseServerArrays(void)
+{
+#if defined(CR_ARB_vertex_buffer_object) && !defined(CR_NO_SERVER_ARRAYS)
+ CRContext *g = GetCurrentContext();
+ CRClientState *c = &(g->client);
+ int i;
+ GLboolean res;
+
+ res = CRSTATE_IS_SERVER_CP(c->array.v)
+ && CRSTATE_IS_SERVER_CP(c->array.n)
+ && CRSTATE_IS_SERVER_CP(c->array.c)
+ && CRSTATE_IS_SERVER_CP(c->array.i)
+ && CRSTATE_IS_SERVER_CP(c->array.e)
+ && CRSTATE_IS_SERVER_CP(c->array.s)
+ && CRSTATE_IS_SERVER_CP(c->array.f);
+
+ if (res)
+ {
+ for (i = 0; (unsigned int)i < g->limits.maxTextureUnits; i++)
+ if (!CRSTATE_IS_SERVER_CP(c->array.t[i]))
+ {
+ res = GL_FALSE;
+ break;
+ }
+ }
+
+ if (res)
+ {
+ for (i = 0; (unsigned int)i < g->limits.maxVertexProgramAttribs; i++)
+ if (!CRSTATE_IS_SERVER_CP(c->array.a[i]))
+ {
+ res = GL_FALSE;
+ break;
+ }
+ }
+
+#if defined(DEBUG) && 0
+ if (!res)
+ {
+ crStateDumpClientPointer(&c->array.v, "v", -1);
+ crStateDumpClientPointer(&c->array.n, "n", -1);
+ crStateDumpClientPointer(&c->array.c, "c", -1);
+ crStateDumpClientPointer(&c->array.i, "i", -1);
+ crStateDumpClientPointer(&c->array.e, "e", -1);
+ crStateDumpClientPointer(&c->array.s, "s", -1);
+ crStateDumpClientPointer(&c->array.f, "f", -1);
+ for (i = 0; (unsigned int)i < g->limits.maxTextureUnits; i++)
+ crStateDumpClientPointer(&c->array.t[i], "tex", i);
+ for (i = 0; (unsigned int)i < g->limits.maxVertexProgramAttribs; i++)
+ crStateDumpClientPointer(&c->array.a[i], "attrib", i);
+ crDebug("crStateUseServerArrays->%d", res);
+ }
+#endif
+
+ return res;
+#else
+ return GL_FALSE;
+#endif
+}
+
+GLuint crStateNeedDummyZeroVertexArray(CRContext *g, CRCurrentStatePointers *current, GLfloat *pZva)
+{
+#if defined(CR_ARB_vertex_buffer_object)
+ CRClientState *c = &(g->client);
+ int i;
+ GLuint zvMax = 0;
+
+ if (c->array.a[0].enabled)
+ return 0;
+
+ for (i = 1; (unsigned int)i < g->limits.maxVertexProgramAttribs; i++)
+ {
+ if (c->array.a[i].enabled)
+ {
+ if (c->array.a[i].buffer && c->array.a[i].buffer->id)
+ {
+ GLuint cElements = c->array.a[i].buffer->size / c->array.a[i].stride;
+ if (zvMax < cElements)
+ zvMax = cElements;
+ }
+ else
+ {
+ zvMax = ~0;
+ break;
+ }
+ }
+ }
+
+ if (zvMax)
+ {
+ Assert(!c->array.v.enabled);
+
+ crStateCurrentRecoverNew(g, current);
+
+ crMemcpy(pZva, &g->current.vertexAttrib[0][0], sizeof (*pZva) * 4);
+ }
+
+ return zvMax;
+#else
+ return GL_FALSE;
+#endif
+}
+
+
+/**
+ * Determine if there's a server-side array element buffer.
+ * Called by glDrawElements() in packing SPUs to determine if glDrawElements
+ * should be evaluated (unrolled) locally or if glDrawElements should be
+ * packed and sent to the server.
+ */
+GLboolean
+crStateUseServerArrayElements(void)
+{
+#ifdef CR_ARB_vertex_buffer_object
+ CRContext *g = GetCurrentContext();
+ if (g->bufferobject.elementsBuffer &&
+ g->bufferobject.elementsBuffer->id > 0)
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+#else
+ return GL_FALSE;
+#endif
+}
+
+#define CR_BUFFER_HWID(_p) ((_p) ? (_p)->hwid : 0)
+
+void
+crStateClientDiff(CRClientBits *cb, CRbitvalue *bitID,
+ CRContext *fromCtx, CRContext *toCtx)
+{
+ CRClientState *from = &(fromCtx->client);
+ const CRClientState *to = &(toCtx->client);
+ GLint curClientTextureUnit = from->curClientTextureUnit;
+ int i;
+ GLint idHwArrayBuffer = CR_BUFFER_HWID(toCtx->bufferobject.arrayBuffer);
+ const GLint idHwInitialBuffer = idHwArrayBuffer;
+
+#ifdef DEBUG_misha
+ {
+ GLint tstHwBuffer = -1;
+ diff_api.GetIntegerv(GL_ARRAY_BUFFER_BINDING, &tstHwBuffer);
+ CRASSERT(idHwInitialBuffer == tstHwBuffer);
+ }
+#endif
+
+
+ if (CHECKDIRTY(cb->clientPointer, bitID)) {
+ /* one or more vertex pointers is dirty */
+ if (CHECKDIRTY(cb->v, bitID)) {
+ if (from->array.v.size != to->array.v.size ||
+ from->array.v.type != to->array.v.type ||
+ from->array.v.stride != to->array.v.stride ||
+ from->array.v.p != to->array.v.p ||
+ from->array.v.buffer != to->array.v.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.v.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.VertexPointer(to->array.v.size, to->array.v.type,
+ to->array.v.stride, to->array.v.p);
+ from->array.v.size = to->array.v.size;
+ from->array.v.type = to->array.v.type;
+ from->array.v.stride = to->array.v.stride;
+ from->array.v.p = to->array.v.p;
+ from->array.v.buffer = to->array.v.buffer;
+ }
+ CLEARDIRTY2(cb->v, bitID);
+ }
+ /* normal */
+ if (CHECKDIRTY(cb->n, bitID)) {
+ if (from->array.n.type != to->array.n.type ||
+ from->array.n.stride != to->array.n.stride ||
+ from->array.n.p != to->array.n.p ||
+ from->array.n.buffer != to->array.n.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.n.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.NormalPointer(to->array.n.type,
+ to->array.n.stride, to->array.n.p);
+ from->array.n.type = to->array.n.type;
+ from->array.n.stride = to->array.n.stride;
+ from->array.n.p = to->array.n.p;
+ from->array.n.buffer = to->array.n.buffer;
+ }
+ CLEARDIRTY2(cb->n, bitID);
+ }
+ /* color */
+ if (CHECKDIRTY(cb->c, bitID)) {
+ if (from->array.c.size != to->array.c.size ||
+ from->array.c.type != to->array.c.type ||
+ from->array.c.stride != to->array.c.stride ||
+ from->array.c.p != to->array.c.p ||
+ from->array.c.buffer != to->array.c.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.c.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.ColorPointer(to->array.c.size, to->array.c.type,
+ to->array.c.stride, to->array.c.p);
+ from->array.c.size = to->array.c.size;
+ from->array.c.type = to->array.c.type;
+ from->array.c.stride = to->array.c.stride;
+ from->array.c.p = to->array.c.p;
+ from->array.c.buffer = to->array.c.buffer;
+ }
+ CLEARDIRTY2(cb->c, bitID);
+ }
+ /* index */
+ if (CHECKDIRTY(cb->i, bitID)) {
+ if (from->array.i.type != to->array.i.type ||
+ from->array.i.stride != to->array.i.stride ||
+ from->array.i.p != to->array.i.p ||
+ from->array.i.buffer != to->array.i.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.i.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.IndexPointer(to->array.i.type,
+ to->array.i.stride, to->array.i.p);
+ from->array.i.type = to->array.i.type;
+ from->array.i.stride = to->array.i.stride;
+ from->array.i.p = to->array.i.p;
+ from->array.i.buffer = to->array.i.buffer;
+ }
+ CLEARDIRTY2(cb->i, bitID);
+ }
+ /* texcoords */
+ for (i = 0; (unsigned int)i < toCtx->limits.maxTextureUnits; i++) {
+ if (CHECKDIRTY(cb->t[i], bitID)) {
+ if (from->array.t[i].size != to->array.t[i].size ||
+ from->array.t[i].type != to->array.t[i].type ||
+ from->array.t[i].stride != to->array.t[i].stride ||
+ from->array.t[i].p != to->array.t[i].p ||
+ from->array.t[i].buffer != to->array.t[i].buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.t[i].buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + i);
+ curClientTextureUnit = i;
+ diff_api.TexCoordPointer(to->array.t[i].size, to->array.t[i].type,
+ to->array.t[i].stride, to->array.t[i].p);
+ from->array.t[i].size = to->array.t[i].size;
+ from->array.t[i].type = to->array.t[i].type;
+ from->array.t[i].stride = to->array.t[i].stride;
+ from->array.t[i].p = to->array.t[i].p;
+ from->array.t[i].buffer = to->array.t[i].buffer;
+ }
+ CLEARDIRTY2(cb->t[i], bitID);
+ }
+ }
+ /* edge flag */
+ if (CHECKDIRTY(cb->e, bitID)) {
+ if (from->array.e.stride != to->array.e.stride ||
+ from->array.e.p != to->array.e.p ||
+ from->array.e.buffer != to->array.e.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.e.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.EdgeFlagPointer(to->array.e.stride, to->array.e.p);
+ from->array.e.stride = to->array.e.stride;
+ from->array.e.p = to->array.e.p;
+ from->array.e.buffer = to->array.e.buffer;
+ }
+ CLEARDIRTY2(cb->e, bitID);
+ }
+ /* secondary color */
+ if (CHECKDIRTY(cb->s, bitID)) {
+ if (from->array.s.size != to->array.s.size ||
+ from->array.s.type != to->array.s.type ||
+ from->array.s.stride != to->array.s.stride ||
+ from->array.s.p != to->array.s.p ||
+ from->array.s.buffer != to->array.s.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.s.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.SecondaryColorPointerEXT(to->array.s.size, to->array.s.type,
+ to->array.s.stride, to->array.s.p);
+ from->array.s.size = to->array.s.size;
+ from->array.s.type = to->array.s.type;
+ from->array.s.stride = to->array.s.stride;
+ from->array.s.p = to->array.s.p;
+ from->array.s.buffer = to->array.s.buffer;
+ }
+ CLEARDIRTY2(cb->s, bitID);
+ }
+ /* fog coord */
+ if (CHECKDIRTY(cb->f, bitID)) {
+ if (from->array.f.type != to->array.f.type ||
+ from->array.f.stride != to->array.f.stride ||
+ from->array.f.p != to->array.f.p ||
+ from->array.f.buffer != to->array.f.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.f.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.FogCoordPointerEXT(to->array.f.type,
+ to->array.f.stride, to->array.f.p);
+ from->array.f.type = to->array.f.type;
+ from->array.f.stride = to->array.f.stride;
+ from->array.f.p = to->array.f.p;
+ from->array.f.buffer = to->array.f.buffer;
+ }
+ CLEARDIRTY2(cb->f, bitID);
+ }
+#if defined(CR_NV_vertex_program) || defined(CR_ARB_vertex_program)
+ /* vertex attributes */
+ for (i = 0; (unsigned int)i < toCtx->limits.maxVertexProgramAttribs; i++) {
+ if (CHECKDIRTY(cb->a[i], bitID)) {
+ if (from->array.a[i].size != to->array.a[i].size ||
+ from->array.a[i].type != to->array.a[i].type ||
+ from->array.a[i].stride != to->array.a[i].stride ||
+ from->array.a[i].normalized != to->array.a[i].normalized ||
+ from->array.a[i].p != to->array.a[i].p ||
+ from->array.a[i].buffer != to->array.a[i].buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.a[i].buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.VertexAttribPointerARB(i, to->array.a[i].size,
+ to->array.a[i].type,
+ to->array.a[i].normalized,
+ to->array.a[i].stride,
+ to->array.a[i].p);
+ from->array.a[i].size = to->array.a[i].size;
+ from->array.a[i].type = to->array.a[i].type;
+ from->array.a[i].stride = to->array.a[i].stride;
+ from->array.a[i].normalized = to->array.a[i].normalized;
+ from->array.a[i].p = to->array.a[i].p;
+ from->array.a[i].buffer = to->array.a[i].buffer;
+ }
+ CLEARDIRTY2(cb->a[i], bitID);
+ }
+ }
+#endif
+ }
+
+ if (idHwArrayBuffer != idHwInitialBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwInitialBuffer);
+ }
+
+ if (CHECKDIRTY(cb->enableClientState, bitID)) {
+ /* update vertex array enable/disable flags */
+ glAble able[2];
+ able[0] = diff_api.DisableClientState;
+ able[1] = diff_api.EnableClientState;
+ if (from->array.v.enabled != to->array.v.enabled) {
+ able[to->array.v.enabled](GL_VERTEX_ARRAY);
+ from->array.v.enabled = to->array.v.enabled;
+ }
+ if (from->array.n.enabled != to->array.n.enabled) {
+ able[to->array.n.enabled](GL_NORMAL_ARRAY);
+ from->array.n.enabled = to->array.n.enabled;
+ }
+ if (from->array.c.enabled != to->array.c.enabled) {
+ able[to->array.c.enabled](GL_COLOR_ARRAY);
+ from->array.c.enabled = to->array.c.enabled;
+ }
+ if (from->array.i.enabled != to->array.i.enabled) {
+ able[to->array.i.enabled](GL_INDEX_ARRAY);
+ from->array.i.enabled = to->array.i.enabled;
+ }
+ for (i = 0; (unsigned int)i < toCtx->limits.maxTextureUnits; i++) {
+ if (from->array.t[i].enabled != to->array.t[i].enabled) {
+ diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + i);
+ curClientTextureUnit = i;
+ able[to->array.t[i].enabled](GL_TEXTURE_COORD_ARRAY);
+ from->array.t[i].enabled = to->array.t[i].enabled;
+ }
+ }
+ if (from->array.e.enabled != to->array.e.enabled) {
+ able[to->array.e.enabled](GL_EDGE_FLAG_ARRAY);
+ from->array.e.enabled = to->array.e.enabled;
+ }
+ if (from->array.s.enabled != to->array.s.enabled) {
+ able[to->array.s.enabled](GL_SECONDARY_COLOR_ARRAY_EXT);
+ from->array.s.enabled = to->array.s.enabled;
+ }
+ if (from->array.f.enabled != to->array.f.enabled) {
+ able[to->array.f.enabled](GL_FOG_COORDINATE_ARRAY_EXT);
+ from->array.f.enabled = to->array.f.enabled;
+ }
+ for (i = 0; (unsigned int)i < toCtx->limits.maxVertexProgramAttribs; i++) {
+ if (from->array.a[i].enabled != to->array.a[i].enabled) {
+ if (to->array.a[i].enabled)
+ diff_api.EnableVertexAttribArrayARB(i);
+ else
+ diff_api.DisableVertexAttribArrayARB(i);
+ from->array.a[i].enabled = to->array.a[i].enabled;
+ }
+ }
+ CLEARDIRTY2(cb->enableClientState, bitID);
+ }
+
+ if (to->curClientTextureUnit != curClientTextureUnit)
+ {
+ diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + to->curClientTextureUnit);
+ }
+}
+
+
+void
+crStateClientSwitch(CRClientBits *cb, CRbitvalue *bitID,
+ CRContext *fromCtx, CRContext *toCtx)
+{
+ const CRClientState *from = &(fromCtx->client);
+ const CRClientState *to = &(toCtx->client);
+ GLint curClientTextureUnit = from->curClientTextureUnit;
+ int i;
+ GLint idHwArrayBuffer = CR_BUFFER_HWID(toCtx->bufferobject.arrayBuffer);
+ const GLint idHwInitialBuffer = idHwArrayBuffer;
+
+#ifdef DEBUG_misha
+ {
+ GLint tstHwBuffer = -1;
+ diff_api.GetIntegerv(GL_ARRAY_BUFFER_BINDING, &tstHwBuffer);
+ CRASSERT(idHwInitialBuffer == tstHwBuffer);
+ }
+#endif
+
+ if (CHECKDIRTY(cb->clientPointer, bitID)) {
+ /* one or more vertex pointers is dirty */
+ if (CHECKDIRTY(cb->v, bitID)) {
+ if (from->array.v.size != to->array.v.size ||
+ from->array.v.type != to->array.v.type ||
+ from->array.v.stride != to->array.v.stride ||
+ from->array.v.p != to->array.v.p ||
+ from->array.v.buffer != to->array.v.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.v.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.VertexPointer(to->array.v.size, to->array.v.type,
+ to->array.v.stride, to->array.v.p);
+ FILLDIRTY(cb->v);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->v, bitID);
+ }
+ /* normal */
+ if (CHECKDIRTY(cb->n, bitID)) {
+ if (from->array.n.type != to->array.n.type ||
+ from->array.n.stride != to->array.n.stride ||
+ from->array.n.p != to->array.n.p ||
+ from->array.n.buffer != to->array.n.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.n.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.NormalPointer(to->array.n.type,
+ to->array.n.stride, to->array.n.p);
+ FILLDIRTY(cb->n);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->n, bitID);
+ }
+ /* color */
+ if (CHECKDIRTY(cb->c, bitID)) {
+ if (from->array.c.size != to->array.c.size ||
+ from->array.c.type != to->array.c.type ||
+ from->array.c.stride != to->array.c.stride ||
+ from->array.c.p != to->array.c.p ||
+ from->array.c.buffer != to->array.c.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.c.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.ColorPointer(to->array.c.size, to->array.c.type,
+ to->array.c.stride, to->array.c.p);
+ FILLDIRTY(cb->c);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->c, bitID);
+ }
+ /* index */
+ if (CHECKDIRTY(cb->i, bitID)) {
+ if (from->array.i.type != to->array.i.type ||
+ from->array.i.stride != to->array.i.stride ||
+ from->array.i.p != to->array.i.p ||
+ from->array.i.buffer != to->array.i.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.i.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.IndexPointer(to->array.i.type,
+ to->array.i.stride, to->array.i.p);
+ FILLDIRTY(cb->i);
+ FILLDIRTY(cb->dirty);
+ FILLDIRTY(cb->clientPointer);
+ }
+ CLEARDIRTY2(cb->i, bitID);
+ }
+ /* texcoords */
+ for (i = 0; (unsigned int)i < toCtx->limits.maxTextureUnits; i++) {
+ if (CHECKDIRTY(cb->t[i], bitID)) {
+ if (from->array.t[i].size != to->array.t[i].size ||
+ from->array.t[i].type != to->array.t[i].type ||
+ from->array.t[i].stride != to->array.t[i].stride ||
+ from->array.t[i].p != to->array.t[i].p ||
+ from->array.t[i].buffer != to->array.t[i].buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.t[i].buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + i);
+ curClientTextureUnit = i;
+ diff_api.TexCoordPointer(to->array.t[i].size, to->array.t[i].type,
+ to->array.t[i].stride, to->array.t[i].p);
+ FILLDIRTY(cb->t[i]);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->t[i], bitID);
+ }
+ }
+ /* edge flag */
+ if (CHECKDIRTY(cb->e, bitID)) {
+ if (from->array.e.stride != to->array.e.stride ||
+ from->array.e.p != to->array.e.p ||
+ from->array.e.buffer != to->array.e.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.e.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.EdgeFlagPointer(to->array.e.stride, to->array.e.p);
+ FILLDIRTY(cb->e);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->e, bitID);
+ }
+ /* secondary color */
+ if (CHECKDIRTY(cb->s, bitID)) {
+ if (from->array.s.size != to->array.s.size ||
+ from->array.s.type != to->array.s.type ||
+ from->array.s.stride != to->array.s.stride ||
+ from->array.s.p != to->array.s.p ||
+ from->array.s.buffer != to->array.s.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.s.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.SecondaryColorPointerEXT(to->array.s.size, to->array.s.type,
+ to->array.s.stride, to->array.s.p);
+ FILLDIRTY(cb->s);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->s, bitID);
+ }
+ /* fog coord */
+ if (CHECKDIRTY(cb->f, bitID)) {
+ if (from->array.f.type != to->array.f.type ||
+ from->array.f.stride != to->array.f.stride ||
+ from->array.f.p != to->array.f.p ||
+ from->array.f.buffer != to->array.f.buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.f.buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.FogCoordPointerEXT(to->array.f.type,
+ to->array.f.stride, to->array.f.p);
+ FILLDIRTY(cb->f);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->f, bitID);
+ }
+#if defined(CR_NV_vertex_program) || defined(CR_ARB_vertex_program)
+ /* vertex attributes */
+ for (i = 0; (unsigned int)i < toCtx->limits.maxVertexProgramAttribs; i++) {
+ if (CHECKDIRTY(cb->a[i], bitID)) {
+ if (from->array.a[i].size != to->array.a[i].size ||
+ from->array.a[i].type != to->array.a[i].type ||
+ from->array.a[i].stride != to->array.a[i].stride ||
+ from->array.a[i].normalized != to->array.a[i].normalized ||
+ from->array.a[i].p != to->array.a[i].p ||
+ from->array.a[i].buffer != to->array.a[i].buffer) {
+ GLint idHwArrayBufferUsed = CR_BUFFER_HWID(to->array.a[i].buffer);
+ if (idHwArrayBufferUsed != idHwArrayBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwArrayBufferUsed);
+ idHwArrayBuffer = idHwArrayBufferUsed;
+ }
+ diff_api.VertexAttribPointerARB(i, to->array.a[i].size,
+ to->array.a[i].type,
+ to->array.a[i].normalized,
+ to->array.a[i].stride,
+ to->array.a[i].p);
+ FILLDIRTY(cb->a[i]);
+ FILLDIRTY(cb->clientPointer);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->a[i], bitID);
+ }
+ }
+#endif
+ }
+
+ if (idHwArrayBuffer != idHwInitialBuffer)
+ {
+ diff_api.BindBufferARB(GL_ARRAY_BUFFER_ARB, idHwInitialBuffer);
+ }
+
+ if (CHECKDIRTY(cb->enableClientState, bitID)) {
+ /* update vertex array enable/disable flags */
+ glAble able[2];
+ able[0] = diff_api.DisableClientState;
+ able[1] = diff_api.EnableClientState;
+ if (from->array.v.enabled != to->array.v.enabled) {
+ able[to->array.v.enabled](GL_VERTEX_ARRAY);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->array.n.enabled != to->array.n.enabled) {
+ able[to->array.n.enabled](GL_NORMAL_ARRAY);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->array.c.enabled != to->array.c.enabled) {
+ able[to->array.c.enabled](GL_COLOR_ARRAY);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->array.i.enabled != to->array.i.enabled) {
+ able[to->array.i.enabled](GL_INDEX_ARRAY);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ for (i = 0; (unsigned int)i < toCtx->limits.maxTextureUnits; i++) {
+ if (from->array.t[i].enabled != to->array.t[i].enabled) {
+ diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + i);
+ curClientTextureUnit = i;
+ able[to->array.t[i].enabled](GL_TEXTURE_COORD_ARRAY);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ }
+ if (from->array.e.enabled != to->array.e.enabled) {
+ able[to->array.e.enabled](GL_EDGE_FLAG_ARRAY);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->array.s.enabled != to->array.s.enabled) {
+ able[to->array.s.enabled](GL_SECONDARY_COLOR_ARRAY_EXT);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->array.f.enabled != to->array.f.enabled) {
+ able[to->array.f.enabled](GL_FOG_COORDINATE_ARRAY_EXT);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ for (i = 0; (unsigned int)i < toCtx->limits.maxVertexProgramAttribs; i++) {
+ if (from->array.a[i].enabled != to->array.a[i].enabled) {
+ if (to->array.a[i].enabled)
+ diff_api.EnableVertexAttribArrayARB(i);
+ else
+ diff_api.DisableVertexAttribArrayARB(i);
+ FILLDIRTY(cb->enableClientState);
+ FILLDIRTY(cb->dirty);
+ }
+ }
+ CLEARDIRTY2(cb->enableClientState, bitID);
+ }
+
+ if (to->curClientTextureUnit != curClientTextureUnit)
+ {
+ diff_api.ClientActiveTextureARB(GL_TEXTURE0_ARB + to->curClientTextureUnit);
+ }
+
+ if (CHECKDIRTY(cb->unpack, bitID))
+ {
+ if (from->unpack.rowLength != to->unpack.rowLength)
+ {
+ diff_api.PixelStorei(GL_UNPACK_ROW_LENGTH, to->unpack.rowLength);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.skipRows != to->unpack.skipRows)
+ {
+ diff_api.PixelStorei(GL_UNPACK_SKIP_ROWS, to->unpack.skipRows);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.skipPixels != to->unpack.skipPixels)
+ {
+ diff_api.PixelStorei(GL_UNPACK_SKIP_PIXELS, to->unpack.skipPixels);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.alignment != to->unpack.alignment)
+ {
+ diff_api.PixelStorei(GL_UNPACK_ALIGNMENT, to->unpack.alignment);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.imageHeight != to->unpack.imageHeight)
+ {
+ diff_api.PixelStorei(GL_UNPACK_IMAGE_HEIGHT, to->unpack.imageHeight);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.skipImages != to->unpack.skipImages)
+ {
+ diff_api.PixelStorei(GL_UNPACK_SKIP_IMAGES, to->unpack.skipImages);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.swapBytes != to->unpack.swapBytes)
+ {
+ diff_api.PixelStorei(GL_UNPACK_SWAP_BYTES, to->unpack.swapBytes);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->unpack.psLSBFirst != to->unpack.psLSBFirst)
+ {
+ diff_api.PixelStorei(GL_UNPACK_LSB_FIRST, to->unpack.psLSBFirst);
+ FILLDIRTY(cb->unpack);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->unpack, bitID);
+ }
+
+ if (CHECKDIRTY(cb->pack, bitID))
+ {
+ if (from->pack.rowLength != to->pack.rowLength)
+ {
+ diff_api.PixelStorei(GL_PACK_ROW_LENGTH, to->pack.rowLength);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.skipRows != to->pack.skipRows)
+ {
+ diff_api.PixelStorei(GL_PACK_SKIP_ROWS, to->pack.skipRows);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.skipPixels != to->pack.skipPixels)
+ {
+ diff_api.PixelStorei(GL_PACK_SKIP_PIXELS, to->pack.skipPixels);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.alignment != to->pack.alignment)
+ {
+ diff_api.PixelStorei(GL_PACK_ALIGNMENT, to->pack.alignment);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.imageHeight != to->pack.imageHeight)
+ {
+ diff_api.PixelStorei(GL_PACK_IMAGE_HEIGHT, to->pack.imageHeight);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.skipImages != to->pack.skipImages)
+ {
+ diff_api.PixelStorei(GL_PACK_SKIP_IMAGES, to->pack.skipImages);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.swapBytes != to->pack.swapBytes)
+ {
+ diff_api.PixelStorei(GL_PACK_SWAP_BYTES, to->pack.swapBytes);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ if (from->pack.psLSBFirst != to->pack.psLSBFirst)
+ {
+ diff_api.PixelStorei(GL_PACK_LSB_FIRST, to->pack.psLSBFirst);
+ FILLDIRTY(cb->pack);
+ FILLDIRTY(cb->dirty);
+ }
+ CLEARDIRTY2(cb->pack, bitID);
+ }
+
+ CLEARDIRTY2(cb->dirty, bitID);
+}
+
+CRClientPointer* crStateGetClientPointerByIndex(int index, CRVertexArrays *array)
+{
+ CRASSERT(array && index>=0 && index<CRSTATECLIENT_MAX_VERTEXARRAYS);
+
+ if (array == NULL || index < 0 || index >= CRSTATECLIENT_MAX_VERTEXARRAYS)
+ {
+ return NULL;
+ }
+
+ if (index < 7)
+ {
+ switch (index)
+ {
+ case 0: return &array->v;
+ case 1: return &array->c;
+ case 2: return &array->f;
+ case 3: return &array->s;
+ case 4: return &array->e;
+ case 5: return &array->i;
+ case 6: return &array->n;
+ }
+ }
+ else if (index<(7+CR_MAX_TEXTURE_UNITS))
+ {
+ return &array->t[index-7];
+ }
+ else
+ {
+ return &array->a[index-7-CR_MAX_TEXTURE_UNITS];
+ }
+
+ /*silence the compiler warning*/
+ CRASSERT(false);
+ return NULL;
+}