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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 03:01:46 +0000
commitf8fe689a81f906d1b91bb3220acde2a4ecb14c5b (patch)
tree26484e9d7e2c67806c2d1760196ff01aaa858e8c /src/VBox/HostServices/SharedOpenGL/unpacker/unpack_arrays.c
parentInitial commit. (diff)
downloadvirtualbox-upstream.tar.xz
virtualbox-upstream.zip
Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/HostServices/SharedOpenGL/unpacker/unpack_arrays.c')
-rw-r--r--src/VBox/HostServices/SharedOpenGL/unpacker/unpack_arrays.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_arrays.c b/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_arrays.c
new file mode 100644
index 00000000..847bb1ed
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+++ b/src/VBox/HostServices/SharedOpenGL/unpacker/unpack_arrays.c
@@ -0,0 +1,312 @@
+/* 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);*/
+ }
+ }
+}