diff options
Diffstat (limited to 'mesalib/src/mesa/main/objectlabel.c')
| -rw-r--r-- | mesalib/src/mesa/main/objectlabel.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/objectlabel.c b/mesalib/src/mesa/main/objectlabel.c new file mode 100644 index 000000000..90d9e09f5 --- /dev/null +++ b/mesalib/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); +} |