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-rw-r--r--src/glx/single2.c974
1 files changed, 974 insertions, 0 deletions
diff --git a/src/glx/single2.c b/src/glx/single2.c
new file mode 100644
index 00000000000..9ecf589ffff
--- /dev/null
+++ b/src/glx/single2.c
@@ -0,0 +1,974 @@
+/*
+ * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
+ * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice including the dates of first publication and
+ * either this permission notice or a reference to
+ * http://oss.sgi.com/projects/FreeB/
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+ * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Except as contained in this notice, the name of Silicon Graphics, Inc.
+ * shall not be used in advertising or otherwise to promote the sale, use or
+ * other dealings in this Software without prior written authorization from
+ * Silicon Graphics, Inc.
+ */
+
+#include <stdio.h>
+#include <assert.h>
+#include "glxclient.h"
+#include "packsingle.h"
+#include "glxextensions.h"
+#include "indirect.h"
+#include "indirect_vertex_array.h"
+#include "glapitable.h"
+#include "glapidispatch.h"
+#include "glapi.h"
+#ifdef USE_XCB
+#include <xcb/xcb.h>
+#include <xcb/glx.h>
+#include <X11/Xlib-xcb.h>
+#endif /* USE_XCB */
+
+
+/* Used for GL_ARB_transpose_matrix */
+static void
+TransposeMatrixf(GLfloat m[16])
+{
+ int i, j;
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < i; j++) {
+ GLfloat tmp = m[i * 4 + j];
+ m[i * 4 + j] = m[j * 4 + i];
+ m[j * 4 + i] = tmp;
+ }
+ }
+}
+
+/* Used for GL_ARB_transpose_matrix */
+static void
+TransposeMatrixb(GLboolean m[16])
+{
+ int i, j;
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < i; j++) {
+ GLboolean tmp = m[i * 4 + j];
+ m[i * 4 + j] = m[j * 4 + i];
+ m[j * 4 + i] = tmp;
+ }
+ }
+}
+
+/* Used for GL_ARB_transpose_matrix */
+static void
+TransposeMatrixd(GLdouble m[16])
+{
+ int i, j;
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < i; j++) {
+ GLdouble tmp = m[i * 4 + j];
+ m[i * 4 + j] = m[j * 4 + i];
+ m[j * 4 + i] = tmp;
+ }
+ }
+}
+
+/* Used for GL_ARB_transpose_matrix */
+static void
+TransposeMatrixi(GLint m[16])
+{
+ int i, j;
+ for (i = 0; i < 4; i++) {
+ for (j = 0; j < i; j++) {
+ GLint tmp = m[i * 4 + j];
+ m[i * 4 + j] = m[j * 4 + i];
+ m[j * 4 + i] = tmp;
+ }
+ }
+}
+
+
+/**
+ * Remap a transpose-matrix enum to a non-transpose-matrix enum. Enums
+ * that are not transpose-matrix enums are unaffected.
+ */
+static GLenum
+RemapTransposeEnum(GLenum e)
+{
+ switch (e) {
+ case GL_TRANSPOSE_MODELVIEW_MATRIX:
+ case GL_TRANSPOSE_PROJECTION_MATRIX:
+ case GL_TRANSPOSE_TEXTURE_MATRIX:
+ return e - (GL_TRANSPOSE_MODELVIEW_MATRIX - GL_MODELVIEW_MATRIX);
+ case GL_TRANSPOSE_COLOR_MATRIX:
+ return GL_COLOR_MATRIX;
+ default:
+ return e;
+ };
+}
+
+
+GLenum
+__indirect_glGetError(void)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ GLuint retval = GL_NO_ERROR;
+ xGLXGetErrorReply reply;
+
+ if (gc->error) {
+ /* Use internal error first */
+ retval = gc->error;
+ gc->error = GL_NO_ERROR;
+ return retval;
+ }
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_GetError, 0);
+ __GLX_SINGLE_READ_XREPLY();
+ retval = reply.error;
+ __GLX_SINGLE_END();
+
+ return retval;
+}
+
+
+/**
+ * Get the selected attribute from the client state.
+ *
+ * \returns
+ * On success \c GL_TRUE is returned. Otherwise, \c GL_FALSE is returned.
+ */
+static GLboolean
+get_client_data(__GLXcontext * gc, GLenum cap, GLintptr * data)
+{
+ GLboolean retval = GL_TRUE;
+ __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+ const GLint tex_unit = __glXGetActiveTextureUnit(state);
+
+
+ switch (cap) {
+ case GL_VERTEX_ARRAY:
+ case GL_NORMAL_ARRAY:
+ case GL_COLOR_ARRAY:
+ case GL_INDEX_ARRAY:
+ case GL_EDGE_FLAG_ARRAY:
+ case GL_SECONDARY_COLOR_ARRAY:
+ case GL_FOG_COORD_ARRAY:
+ retval = __glXGetArrayEnable(state, cap, 0, data);
+ break;
+
+ case GL_VERTEX_ARRAY_SIZE:
+ retval = __glXGetArraySize(state, GL_VERTEX_ARRAY, 0, data);
+ break;
+ case GL_COLOR_ARRAY_SIZE:
+ retval = __glXGetArraySize(state, GL_COLOR_ARRAY, 0, data);
+ break;
+ case GL_SECONDARY_COLOR_ARRAY_SIZE:
+ retval = __glXGetArraySize(state, GL_SECONDARY_COLOR_ARRAY, 0, data);
+ break;
+
+ case GL_VERTEX_ARRAY_TYPE:
+ retval = __glXGetArrayType(state, GL_VERTEX_ARRAY, 0, data);
+ break;
+ case GL_NORMAL_ARRAY_TYPE:
+ retval = __glXGetArrayType(state, GL_NORMAL_ARRAY, 0, data);
+ break;
+ case GL_INDEX_ARRAY_TYPE:
+ retval = __glXGetArrayType(state, GL_INDEX_ARRAY, 0, data);
+ break;
+ case GL_COLOR_ARRAY_TYPE:
+ retval = __glXGetArrayType(state, GL_COLOR_ARRAY, 0, data);
+ break;
+ case GL_SECONDARY_COLOR_ARRAY_TYPE:
+ retval = __glXGetArrayType(state, GL_SECONDARY_COLOR_ARRAY, 0, data);
+ break;
+ case GL_FOG_COORD_ARRAY_TYPE:
+ retval = __glXGetArrayType(state, GL_FOG_COORD_ARRAY, 0, data);
+ break;
+
+ case GL_VERTEX_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_VERTEX_ARRAY, 0, data);
+ break;
+ case GL_NORMAL_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_NORMAL_ARRAY, 0, data);
+ break;
+ case GL_INDEX_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_INDEX_ARRAY, 0, data);
+ break;
+ case GL_EDGE_FLAG_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_EDGE_FLAG_ARRAY, 0, data);
+ break;
+ case GL_COLOR_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_COLOR_ARRAY, 0, data);
+ break;
+ case GL_SECONDARY_COLOR_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_SECONDARY_COLOR_ARRAY, 0, data);
+ break;
+ case GL_FOG_COORD_ARRAY_STRIDE:
+ retval = __glXGetArrayStride(state, GL_FOG_COORD_ARRAY, 0, data);
+ break;
+
+ case GL_TEXTURE_COORD_ARRAY:
+ retval =
+ __glXGetArrayEnable(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
+ break;
+ case GL_TEXTURE_COORD_ARRAY_SIZE:
+ retval =
+ __glXGetArraySize(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
+ break;
+ case GL_TEXTURE_COORD_ARRAY_TYPE:
+ retval =
+ __glXGetArrayType(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
+ break;
+ case GL_TEXTURE_COORD_ARRAY_STRIDE:
+ retval =
+ __glXGetArrayStride(state, GL_TEXTURE_COORD_ARRAY, tex_unit, data);
+ break;
+
+ case GL_MAX_ELEMENTS_VERTICES:
+ case GL_MAX_ELEMENTS_INDICES:
+ retval = GL_TRUE;
+ *data = ~0UL;
+ break;
+
+
+ case GL_PACK_ROW_LENGTH:
+ *data = (GLintptr) state->storePack.rowLength;
+ break;
+ case GL_PACK_IMAGE_HEIGHT:
+ *data = (GLintptr) state->storePack.imageHeight;
+ break;
+ case GL_PACK_SKIP_ROWS:
+ *data = (GLintptr) state->storePack.skipRows;
+ break;
+ case GL_PACK_SKIP_PIXELS:
+ *data = (GLintptr) state->storePack.skipPixels;
+ break;
+ case GL_PACK_SKIP_IMAGES:
+ *data = (GLintptr) state->storePack.skipImages;
+ break;
+ case GL_PACK_ALIGNMENT:
+ *data = (GLintptr) state->storePack.alignment;
+ break;
+ case GL_PACK_SWAP_BYTES:
+ *data = (GLintptr) state->storePack.swapEndian;
+ break;
+ case GL_PACK_LSB_FIRST:
+ *data = (GLintptr) state->storePack.lsbFirst;
+ break;
+ case GL_UNPACK_ROW_LENGTH:
+ *data = (GLintptr) state->storeUnpack.rowLength;
+ break;
+ case GL_UNPACK_IMAGE_HEIGHT:
+ *data = (GLintptr) state->storeUnpack.imageHeight;
+ break;
+ case GL_UNPACK_SKIP_ROWS:
+ *data = (GLintptr) state->storeUnpack.skipRows;
+ break;
+ case GL_UNPACK_SKIP_PIXELS:
+ *data = (GLintptr) state->storeUnpack.skipPixels;
+ break;
+ case GL_UNPACK_SKIP_IMAGES:
+ *data = (GLintptr) state->storeUnpack.skipImages;
+ break;
+ case GL_UNPACK_ALIGNMENT:
+ *data = (GLintptr) state->storeUnpack.alignment;
+ break;
+ case GL_UNPACK_SWAP_BYTES:
+ *data = (GLintptr) state->storeUnpack.swapEndian;
+ break;
+ case GL_UNPACK_LSB_FIRST:
+ *data = (GLintptr) state->storeUnpack.lsbFirst;
+ break;
+ case GL_CLIENT_ATTRIB_STACK_DEPTH:
+ *data = (GLintptr) (gc->attributes.stackPointer - gc->attributes.stack);
+ break;
+ case GL_MAX_CLIENT_ATTRIB_STACK_DEPTH:
+ *data = (GLintptr) __GL_CLIENT_ATTRIB_STACK_DEPTH;
+ break;
+ case GL_CLIENT_ACTIVE_TEXTURE:
+ *data = (GLintptr) (tex_unit + GL_TEXTURE0);
+ break;
+
+ default:
+ retval = GL_FALSE;
+ break;
+ }
+
+
+ return retval;
+}
+
+
+void
+__indirect_glGetBooleanv(GLenum val, GLboolean * b)
+{
+ const GLenum origVal = val;
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ xGLXSingleReply reply;
+
+ val = RemapTransposeEnum(val);
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_GetBooleanv, 4);
+ __GLX_SINGLE_PUT_LONG(0, val);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_GET_SIZE(compsize);
+
+ if (compsize == 0) {
+ /*
+ ** Error occured; don't modify user's buffer.
+ */
+ }
+ else {
+ GLintptr data;
+
+ /*
+ ** We still needed to send the request to the server in order to
+ ** find out whether it was legal to make a query (it's illegal,
+ ** for example, to call a query between glBegin() and glEnd()).
+ */
+
+ if (get_client_data(gc, val, &data)) {
+ *b = (GLboolean) data;
+ }
+ else {
+ /*
+ ** Not a local value, so use what we got from the server.
+ */
+ if (compsize == 1) {
+ __GLX_SINGLE_GET_CHAR(b);
+ }
+ else {
+ __GLX_SINGLE_GET_CHAR_ARRAY(b, compsize);
+ if (val != origVal) {
+ /* matrix transpose */
+ TransposeMatrixb(b);
+ }
+ }
+ }
+ }
+ __GLX_SINGLE_END();
+}
+
+void
+__indirect_glGetDoublev(GLenum val, GLdouble * d)
+{
+ const GLenum origVal = val;
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ xGLXSingleReply reply;
+
+ val = RemapTransposeEnum(val);
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_GetDoublev, 4);
+ __GLX_SINGLE_PUT_LONG(0, val);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_GET_SIZE(compsize);
+
+ if (compsize == 0) {
+ /*
+ ** Error occured; don't modify user's buffer.
+ */
+ }
+ else {
+ GLintptr data;
+
+ /*
+ ** We still needed to send the request to the server in order to
+ ** find out whether it was legal to make a query (it's illegal,
+ ** for example, to call a query between glBegin() and glEnd()).
+ */
+
+ if (get_client_data(gc, val, &data)) {
+ *d = (GLdouble) data;
+ }
+ else {
+ /*
+ ** Not a local value, so use what we got from the server.
+ */
+ if (compsize == 1) {
+ __GLX_SINGLE_GET_DOUBLE(d);
+ }
+ else {
+ __GLX_SINGLE_GET_DOUBLE_ARRAY(d, compsize);
+ if (val != origVal) {
+ /* matrix transpose */
+ TransposeMatrixd(d);
+ }
+ }
+ }
+ }
+ __GLX_SINGLE_END();
+}
+
+void
+__indirect_glGetFloatv(GLenum val, GLfloat * f)
+{
+ const GLenum origVal = val;
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ xGLXSingleReply reply;
+
+ val = RemapTransposeEnum(val);
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_GetFloatv, 4);
+ __GLX_SINGLE_PUT_LONG(0, val);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_GET_SIZE(compsize);
+
+ if (compsize == 0) {
+ /*
+ ** Error occured; don't modify user's buffer.
+ */
+ }
+ else {
+ GLintptr data;
+
+ /*
+ ** We still needed to send the request to the server in order to
+ ** find out whether it was legal to make a query (it's illegal,
+ ** for example, to call a query between glBegin() and glEnd()).
+ */
+
+ if (get_client_data(gc, val, &data)) {
+ *f = (GLfloat) data;
+ }
+ else {
+ /*
+ ** Not a local value, so use what we got from the server.
+ */
+ if (compsize == 1) {
+ __GLX_SINGLE_GET_FLOAT(f);
+ }
+ else {
+ __GLX_SINGLE_GET_FLOAT_ARRAY(f, compsize);
+ if (val != origVal) {
+ /* matrix transpose */
+ TransposeMatrixf(f);
+ }
+ }
+ }
+ }
+ __GLX_SINGLE_END();
+}
+
+void
+__indirect_glGetIntegerv(GLenum val, GLint * i)
+{
+ const GLenum origVal = val;
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ xGLXSingleReply reply;
+
+ val = RemapTransposeEnum(val);
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_GetIntegerv, 4);
+ __GLX_SINGLE_PUT_LONG(0, val);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_GET_SIZE(compsize);
+
+ if (compsize == 0) {
+ /*
+ ** Error occured; don't modify user's buffer.
+ */
+ }
+ else {
+ GLintptr data;
+
+ /*
+ ** We still needed to send the request to the server in order to
+ ** find out whether it was legal to make a query (it's illegal,
+ ** for example, to call a query between glBegin() and glEnd()).
+ */
+
+ if (get_client_data(gc, val, &data)) {
+ *i = (GLint) data;
+ }
+ else {
+ /*
+ ** Not a local value, so use what we got from the server.
+ */
+ if (compsize == 1) {
+ __GLX_SINGLE_GET_LONG(i);
+ }
+ else {
+ __GLX_SINGLE_GET_LONG_ARRAY(i, compsize);
+ if (val != origVal) {
+ /* matrix transpose */
+ TransposeMatrixi(i);
+ }
+ }
+ }
+ }
+ __GLX_SINGLE_END();
+}
+
+/*
+** Send all pending commands to server.
+*/
+void
+__indirect_glFlush(void)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+
+ if (!dpy)
+ return;
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_Flush, 0);
+ __GLX_SINGLE_END();
+
+ /* And finally flush the X protocol data */
+ XFlush(dpy);
+}
+
+void
+__indirect_glFeedbackBuffer(GLsizei size, GLenum type, GLfloat * buffer)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+
+ if (!dpy)
+ return;
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_FeedbackBuffer, 8);
+ __GLX_SINGLE_PUT_LONG(0, size);
+ __GLX_SINGLE_PUT_LONG(4, type);
+ __GLX_SINGLE_END();
+
+ gc->feedbackBuf = buffer;
+}
+
+void
+__indirect_glSelectBuffer(GLsizei numnames, GLuint * buffer)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+
+ if (!dpy)
+ return;
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_SelectBuffer, 4);
+ __GLX_SINGLE_PUT_LONG(0, numnames);
+ __GLX_SINGLE_END();
+
+ gc->selectBuf = buffer;
+}
+
+GLint
+__indirect_glRenderMode(GLenum mode)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ GLint retval = 0;
+ xGLXRenderModeReply reply;
+
+ if (!dpy)
+ return -1;
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_RenderMode, 4);
+ __GLX_SINGLE_PUT_LONG(0, mode);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_GET_RETVAL(retval, GLint);
+
+ if (reply.newMode != mode) {
+ /*
+ ** Switch to new mode did not take effect, therefore an error
+ ** occured. When an error happens the server won't send us any
+ ** other data.
+ */
+ }
+ else {
+ /* Read the feedback or selection data */
+ if (gc->renderMode == GL_FEEDBACK) {
+ __GLX_SINGLE_GET_SIZE(compsize);
+ __GLX_SINGLE_GET_FLOAT_ARRAY(gc->feedbackBuf, compsize);
+ }
+ else if (gc->renderMode == GL_SELECT) {
+ __GLX_SINGLE_GET_SIZE(compsize);
+ __GLX_SINGLE_GET_LONG_ARRAY(gc->selectBuf, compsize);
+ }
+ gc->renderMode = mode;
+ }
+ __GLX_SINGLE_END();
+
+ return retval;
+}
+
+void
+__indirect_glFinish(void)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ xGLXSingleReply reply;
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_Finish, 0);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_END();
+}
+
+
+/**
+ * Extract the major and minor version numbers from a version string.
+ */
+static void
+version_from_string(const char *ver, int *major_version, int *minor_version)
+{
+ const char *end;
+ long major;
+ long minor;
+
+ major = strtol(ver, (char **) &end, 10);
+ minor = strtol(end + 1, NULL, 10);
+ *major_version = major;
+ *minor_version = minor;
+}
+
+
+const GLubyte *
+__indirect_glGetString(GLenum name)
+{
+ __GLXcontext *gc = __glXGetCurrentContext();
+ Display *dpy = gc->currentDpy;
+ GLubyte *s = NULL;
+
+ if (!dpy)
+ return 0;
+
+ /*
+ ** Return the cached copy if the string has already been fetched
+ */
+ switch (name) {
+ case GL_VENDOR:
+ if (gc->vendor)
+ return gc->vendor;
+ break;
+ case GL_RENDERER:
+ if (gc->renderer)
+ return gc->renderer;
+ break;
+ case GL_VERSION:
+ if (gc->version)
+ return gc->version;
+ break;
+ case GL_EXTENSIONS:
+ if (gc->extensions)
+ return gc->extensions;
+ break;
+ default:
+ __glXSetError(gc, GL_INVALID_ENUM);
+ return 0;
+ }
+
+ /*
+ ** Get requested string from server
+ */
+
+ (void) __glXFlushRenderBuffer(gc, gc->pc);
+ s = (GLubyte *) __glXGetString(dpy, gc->majorOpcode, gc->currentContextTag,
+ name);
+ if (!s) {
+ /* Throw data on the floor */
+ __glXSetError(gc, GL_OUT_OF_MEMORY);
+ }
+ else {
+ /*
+ ** Update local cache
+ */
+ switch (name) {
+ case GL_VENDOR:
+ gc->vendor = s;
+ break;
+
+ case GL_RENDERER:
+ gc->renderer = s;
+ break;
+
+ case GL_VERSION:{
+ int client_major;
+ int client_minor;
+
+ version_from_string((char *) s,
+ &gc->server_major, &gc->server_minor);
+ __glXGetGLVersion(&client_major, &client_minor);
+
+ if ((gc->server_major < client_major)
+ || ((gc->server_major == client_major)
+ && (gc->server_minor <= client_minor))) {
+ gc->version = s;
+ }
+ else {
+ /* Allow 7 bytes for the client-side GL version. This allows
+ * for upto version 999.999. I'm not holding my breath for
+ * that one! The extra 4 is for the ' ()\0' that will be
+ * added.
+ */
+ const size_t size = 7 + strlen((char *) s) + 4;
+
+ gc->version = Xmalloc(size);
+ if (gc->version == NULL) {
+ /* If we couldn't allocate memory for the new string,
+ * make a best-effort and just copy the client-side version
+ * to the string and use that. It probably doesn't
+ * matter what is done here. If there not memory available
+ * for a short string, the system is probably going to die
+ * soon anyway.
+ */
+ snprintf((char *) s, strlen((char *) s) + 1, "%u.%u",
+ client_major, client_minor);
+ gc->version = s;
+ }
+ else {
+ snprintf((char *) gc->version, size, "%u.%u (%s)",
+ client_major, client_minor, s);
+ Xfree(s);
+ s = gc->version;
+ }
+ }
+ break;
+ }
+
+ case GL_EXTENSIONS:{
+ int major = 1;
+ int minor = 0;
+
+ /* This code is currently disabled. I was reminded that some
+ * vendors intentionally exclude some extensions from their
+ * extension string that are part of the core version they
+ * advertise. In particular, on Nvidia drivers this means that
+ * the functionality is supported by the driver, but is not
+ * hardware accelerated. For example, a TNT will show core
+ * version 1.5, but most of the post-1.2 functionality is a
+ * software fallback.
+ *
+ * I don't want to break applications that rely on this odd
+ * behavior. At the same time, the code is written and tested,
+ * so I didn't want to throw it away. Therefore, the code is here
+ * but disabled. In the future, we may wish to and an environment
+ * variable to enable it.
+ */
+
+#if 0
+ /* Call glGetString just to make sure that gc->server_major and
+ * gc->server_minor are set. This version may be higher than we
+ * can completely support, but it may imply support for some
+ * extensions that we can support.
+ *
+ * For example, at the time of this writing, the client-side
+ * library only supports upto core GL version 1.2. However, cubic
+ * textures, multitexture, multisampling, and some other 1.3
+ * features are supported. If the server reports back version
+ * 1.3, but does not report all of those extensions, we will
+ * enable them.
+ */
+ (void *) glGetString(GL_VERSION);
+ major = gc->server_major, minor = gc->server_minor;
+#endif
+
+ __glXCalculateUsableGLExtensions(gc, (char *) s, major, minor);
+ XFree(s);
+ s = gc->extensions;
+ break;
+ }
+ }
+ }
+ return s;
+}
+
+GLboolean
+__indirect_glIsEnabled(GLenum cap)
+{
+ __GLX_SINGLE_DECLARE_VARIABLES();
+ __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+ xGLXSingleReply reply;
+ GLboolean retval = 0;
+ GLintptr enable;
+
+ if (!dpy)
+ return 0;
+
+ switch (cap) {
+ case GL_VERTEX_ARRAY:
+ case GL_NORMAL_ARRAY:
+ case GL_COLOR_ARRAY:
+ case GL_INDEX_ARRAY:
+ case GL_EDGE_FLAG_ARRAY:
+ case GL_SECONDARY_COLOR_ARRAY:
+ case GL_FOG_COORD_ARRAY:
+ retval = __glXGetArrayEnable(state, cap, 0, &enable);
+ assert(retval);
+ return (GLboolean) enable;
+ break;
+ case GL_TEXTURE_COORD_ARRAY:
+ retval = __glXGetArrayEnable(state, GL_TEXTURE_COORD_ARRAY,
+ __glXGetActiveTextureUnit(state), &enable);
+ assert(retval);
+ return (GLboolean) enable;
+ break;
+ }
+
+ __GLX_SINGLE_LOAD_VARIABLES();
+ __GLX_SINGLE_BEGIN(X_GLsop_IsEnabled, 4);
+ __GLX_SINGLE_PUT_LONG(0, cap);
+ __GLX_SINGLE_READ_XREPLY();
+ __GLX_SINGLE_GET_RETVAL(retval, GLboolean);
+ __GLX_SINGLE_END();
+ return retval;
+}
+
+void
+__indirect_glGetPointerv(GLenum pname, void **params)
+{
+ __GLXcontext *gc = __glXGetCurrentContext();
+ __GLXattribute *state = (__GLXattribute *) (gc->client_state_private);
+ Display *dpy = gc->currentDpy;
+
+ if (!dpy)
+ return;
+
+ switch (pname) {
+ case GL_VERTEX_ARRAY_POINTER:
+ case GL_NORMAL_ARRAY_POINTER:
+ case GL_COLOR_ARRAY_POINTER:
+ case GL_INDEX_ARRAY_POINTER:
+ case GL_EDGE_FLAG_ARRAY_POINTER:
+ __glXGetArrayPointer(state, pname - GL_VERTEX_ARRAY_POINTER
+ + GL_VERTEX_ARRAY, 0, params);
+ return;
+ case GL_TEXTURE_COORD_ARRAY_POINTER:
+ __glXGetArrayPointer(state, GL_TEXTURE_COORD_ARRAY,
+ __glXGetActiveTextureUnit(state), params);
+ return;
+ case GL_SECONDARY_COLOR_ARRAY_POINTER:
+ case GL_FOG_COORD_ARRAY_POINTER:
+ __glXGetArrayPointer(state, pname - GL_FOG_COORD_ARRAY_POINTER
+ + GL_FOG_COORD_ARRAY, 0, params);
+ return;
+ case GL_FEEDBACK_BUFFER_POINTER:
+ *params = (void *) gc->feedbackBuf;
+ return;
+ case GL_SELECTION_BUFFER_POINTER:
+ *params = (void *) gc->selectBuf;
+ return;
+ default:
+ __glXSetError(gc, GL_INVALID_ENUM);
+ return;
+ }
+}
+
+
+
+/**
+ * This was previously auto-generated, but we need to special-case
+ * how we handle writing into the 'residences' buffer when n%4!=0.
+ */
+#define X_GLsop_AreTexturesResident 143
+GLboolean
+__indirect_glAreTexturesResident(GLsizei n, const GLuint * textures,
+ GLboolean * residences)
+{
+ __GLXcontext *const gc = __glXGetCurrentContext();
+ Display *const dpy = gc->currentDpy;
+ GLboolean retval = (GLboolean) 0;
+ const GLuint cmdlen = 4 + __GLX_PAD((n * 4));
+ if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) {
+#ifdef USE_XCB
+ xcb_connection_t *c = XGetXCBConnection(dpy);
+ (void) __glXFlushRenderBuffer(gc, gc->pc);
+ xcb_glx_are_textures_resident_reply_t *reply =
+ xcb_glx_are_textures_resident_reply(c,
+ xcb_glx_are_textures_resident
+ (c, gc->currentContextTag, n,
+ textures), NULL);
+ (void) memcpy(residences, xcb_glx_are_textures_resident_data(reply),
+ xcb_glx_are_textures_resident_data_length(reply) *
+ sizeof(GLboolean));
+ retval = reply->ret_val;
+ free(reply);
+#else
+ GLubyte const *pc =
+ __glXSetupSingleRequest(gc, X_GLsop_AreTexturesResident, cmdlen);
+ (void) memcpy((void *) (pc + 0), (void *) (&n), 4);
+ (void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4));
+ if (n & 3) {
+ /* n is not a multiple of four.
+ * When reply_is_always_array is TRUE, __glXReadReply() will
+ * put a multiple of four bytes into the dest buffer. If the
+ * caller's buffer is not a multiple of four in size, we'll write
+ * out of bounds. So use a temporary buffer that's a few bytes
+ * larger.
+ */
+ GLboolean *res4 = malloc((n + 3) & ~3);
+ retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE);
+ memcpy(residences, res4, n);
+ free(res4);
+ }
+ else {
+ retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+#endif /* USE_XCB */
+ }
+ return retval;
+}
+
+
+/**
+ * This was previously auto-generated, but we need to special-case
+ * how we handle writing into the 'residences' buffer when n%4!=0.
+ */
+#define X_GLvop_AreTexturesResidentEXT 11
+GLboolean
+glAreTexturesResidentEXT(GLsizei n, const GLuint * textures,
+ GLboolean * residences)
+{
+ __GLXcontext *const gc = __glXGetCurrentContext();
+
+ if (gc->isDirect) {
+ return CALL_AreTexturesResident(GET_DISPATCH(),
+ (n, textures, residences));
+ }
+ else {
+ __GLXcontext *const gc = __glXGetCurrentContext();
+ Display *const dpy = gc->currentDpy;
+ GLboolean retval = (GLboolean) 0;
+ const GLuint cmdlen = 4 + __GLX_PAD((n * 4));
+ if (__builtin_expect((n >= 0) && (dpy != NULL), 1)) {
+ GLubyte const *pc =
+ __glXSetupVendorRequest(gc, X_GLXVendorPrivateWithReply,
+ X_GLvop_AreTexturesResidentEXT,
+ cmdlen);
+ (void) memcpy((void *) (pc + 0), (void *) (&n), 4);
+ (void) memcpy((void *) (pc + 4), (void *) (textures), (n * 4));
+ if (n & 3) {
+ /* see comments in __indirect_glAreTexturesResident() */
+ GLboolean *res4 = malloc((n + 3) & ~3);
+ retval = (GLboolean) __glXReadReply(dpy, 1, res4, GL_TRUE);
+ memcpy(residences, res4, n);
+ free(res4);
+ }
+ else {
+ retval = (GLboolean) __glXReadReply(dpy, 1, residences, GL_TRUE);
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ }
+ return retval;
+ }
+}