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-rw-r--r--src/mesa/main/objectlabel.c282
-rw-r--r--src/mesa/main/objectlabel.h61
2 files changed, 343 insertions, 0 deletions
diff --git a/src/mesa/main/objectlabel.c b/src/mesa/main/objectlabel.c
new file mode 100644
index 00000000000..90d9e09f57d
--- /dev/null
+++ b/src/mesa/main/objectlabel.c
@@ -0,0 +1,282 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2013 Timothy Arceri 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 and this permission notice 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+
+#include "arrayobj.h"
+#include "bufferobj.h"
+#include "context.h"
+#include "dlist.h"
+#include "enums.h"
+#include "fbobject.h"
+#include "objectlabel.h"
+#include "queryobj.h"
+#include "samplerobj.h"
+#include "shaderobj.h"
+#include "syncobj.h"
+#include "texobj.h"
+#include "transformfeedback.h"
+
+
+/**
+ * Helper for _mesa_ObjectLabel() and _mesa_ObjectPtrLabel().
+ */
+static void
+set_label(struct gl_context *ctx, char **labelPtr, const char *label,
+ int length, const char *caller)
+{
+ if (*labelPtr) {
+ /* free old label string */
+ free(*labelPtr);
+ *labelPtr = NULL;
+ }
+
+ /* set new label string */
+ if (label) {
+ if (length >= 0) {
+ if (length >= MAX_LABEL_LENGTH)
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(length=%d, which is not less than "
+ "GL_MAX_LABEL_LENGTH=%d)", caller, length,
+ MAX_LABEL_LENGTH);
+
+ /* explicit length */
+ *labelPtr = (char *) malloc(length+1);
+ if (*labelPtr) {
+ memcpy(*labelPtr, label, length);
+ /* length is not required to include the null terminator so
+ * add one just in case
+ */
+ (*labelPtr)[length] = '\0';
+ }
+ }
+ else {
+ int len = strlen(label);
+ if (len >= MAX_LABEL_LENGTH)
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(label length=%d, which is not less than "
+ "GL_MAX_LABEL_LENGTH=%d)", caller, len,
+ MAX_LABEL_LENGTH);
+
+ /* null-terminated string */
+ *labelPtr = _mesa_strdup(label);
+ }
+ }
+}
+
+/**
+ * Helper for _mesa_GetObjectLabel() and _mesa_GetObjectPtrLabel().
+ */
+static void
+copy_label(char **labelPtr, char *label, int *length, int bufSize)
+{
+ int labelLen = 0;
+
+ if (*labelPtr)
+ labelLen = strlen(*labelPtr);
+
+ if (label) {
+ if (bufSize <= labelLen)
+ labelLen = bufSize-1;
+
+ memcpy(label, *labelPtr, labelLen);
+ label[labelLen] = '\0';
+ }
+
+ if (length)
+ *length = labelLen;
+}
+
+/**
+ * Helper for _mesa_ObjectLabel() and _mesa_GetObjectLabel().
+ */
+static char **
+get_label_pointer(struct gl_context *ctx, GLenum identifier, GLuint name,
+ const char *caller)
+{
+ char **labelPtr = NULL;
+
+ switch (identifier) {
+ case GL_BUFFER:
+ {
+ struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, name);
+ if (bufObj)
+ labelPtr = &bufObj->Label;
+ }
+ break;
+ case GL_SHADER:
+ {
+ struct gl_shader *shader = _mesa_lookup_shader(ctx, name);
+ if (shader)
+ labelPtr = &shader->Label;
+ }
+ break;
+ case GL_PROGRAM:
+ {
+ struct gl_shader_program *program =
+ _mesa_lookup_shader_program(ctx, name);
+ if (program)
+ labelPtr = &program->Label;
+ }
+ break;
+ case GL_VERTEX_ARRAY:
+ {
+ struct gl_array_object *obj = _mesa_lookup_arrayobj(ctx, name);
+ if (obj)
+ labelPtr = &obj->Label;
+ }
+ break;
+ case GL_QUERY:
+ {
+ struct gl_query_object *query = _mesa_lookup_query_object(ctx, name);
+ if (query)
+ labelPtr = &query->Label;
+ }
+ break;
+ case GL_TRANSFORM_FEEDBACK:
+ {
+ struct gl_transform_feedback_object *tfo =
+ _mesa_lookup_transform_feedback_object(ctx, name);
+ if (tfo)
+ labelPtr = &tfo->Label;
+ }
+ break;
+ case GL_SAMPLER:
+ {
+ struct gl_sampler_object *so = _mesa_lookup_samplerobj(ctx, name);
+ if (so)
+ labelPtr = &so->Label;
+ }
+ break;
+ case GL_TEXTURE:
+ {
+ struct gl_texture_object *texObj = _mesa_lookup_texture(ctx, name);
+ if (texObj)
+ labelPtr = &texObj->Label;
+ }
+ break;
+ case GL_RENDERBUFFER:
+ {
+ struct gl_renderbuffer *rb = _mesa_lookup_renderbuffer(ctx, name);
+ if (rb)
+ labelPtr = &rb->Label;
+ }
+ break;
+ case GL_FRAMEBUFFER:
+ {
+ struct gl_framebuffer *rb = _mesa_lookup_framebuffer(ctx, name);
+ if (rb)
+ labelPtr = &rb->Label;
+ }
+ break;
+ case GL_DISPLAY_LIST:
+ if (ctx->API == API_OPENGL_COMPAT) {
+ struct gl_display_list *list = _mesa_lookup_list(ctx, name);
+ if (list)
+ labelPtr = &list->Label;
+ }
+ else {
+ goto invalid_enum;
+ }
+ break;
+ case GL_PROGRAM_PIPELINE:
+ /* requires GL 4.2 */
+ goto invalid_enum;
+ default:
+ goto invalid_enum;
+ }
+
+ if (NULL == labelPtr) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glObjectLabel(name = %u)", name);
+ }
+
+ return labelPtr;
+
+invalid_enum:
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(identifier = %s)",
+ caller, _mesa_lookup_enum_by_nr(identifier));
+ return NULL;
+}
+
+void GLAPIENTRY
+_mesa_ObjectLabel(GLenum identifier, GLuint name, GLsizei length,
+ const GLchar *label)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ char **labelPtr;
+
+ labelPtr = get_label_pointer(ctx, identifier, name, "glObjectLabel");
+ if (!labelPtr)
+ return;
+
+ set_label(ctx, labelPtr, label, length, "glObjectLabel");
+}
+
+void GLAPIENTRY
+_mesa_GetObjectLabel(GLenum identifier, GLuint name, GLsizei bufSize,
+ GLsizei *length, GLchar *label)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ char **labelPtr;
+
+ labelPtr = get_label_pointer(ctx, identifier, name, "glGetObjectLabel");
+ if (!labelPtr)
+ return;
+
+ copy_label(labelPtr, label, length, bufSize);
+}
+
+void GLAPIENTRY
+_mesa_ObjectPtrLabel(const void *ptr, GLsizei length, const GLchar *label)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ char **labelPtr;
+ struct gl_sync_object *const syncObj = (struct gl_sync_object *) ptr;
+
+ if (!_mesa_validate_sync(ctx, syncObj)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glObjectPtrLabel (not a valid sync object)");
+ return;
+ }
+
+ labelPtr = &syncObj->Label;
+
+ set_label(ctx, labelPtr, label, length, "glObjectPtrLabel");
+}
+
+void GLAPIENTRY
+_mesa_GetObjectPtrLabel(const void *ptr, GLsizei bufSize, GLsizei *length,
+ GLchar *label)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ char **labelPtr;
+ struct gl_sync_object *const syncObj = (struct gl_sync_object *) ptr;
+
+ if (!_mesa_validate_sync(ctx, syncObj)) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetObjectPtrLabel (not a valid sync object)");
+ return;
+ }
+
+ labelPtr = &syncObj->Label;
+
+ copy_label(labelPtr, label, length, bufSize);
+}
diff --git a/src/mesa/main/objectlabel.h b/src/mesa/main/objectlabel.h
new file mode 100644
index 00000000000..f57d5f7b5d9
--- /dev/null
+++ b/src/mesa/main/objectlabel.h
@@ -0,0 +1,61 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 2013 Timothy Arceri 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 and this permission notice 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+
+
+/**
+ * \file objectlabel.h
+ * Mesa object label functions.
+ *
+ * This file provides functions to assign and retrieve object labels.
+ */
+
+#ifndef OBJECTLABEL_H
+#define OBJECTLABEL_H
+
+
+#include "glheader.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void GLAPIENTRY
+_mesa_ObjectLabel(GLenum identifier, GLuint name, GLsizei length,
+ const GLchar *label);
+void GLAPIENTRY
+_mesa_GetObjectLabel(GLenum identifier, GLuint name, GLsizei bufSize,
+ GLsizei *length, GLchar *label);
+void GLAPIENTRY
+_mesa_ObjectPtrLabel(const void *ptr, GLsizei length, const GLchar *label);
+void GLAPIENTRY
+_mesa_GetObjectPtrLabel(const void *ptr, GLsizei bufSize, GLsizei *length,
+ GLchar *label);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* OBJECTLABEL_H */
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