/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul All Rights Reserved.
*
* 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
- * BRIAN PAUL 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.
+ * 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 <stdarg.h>
+#include <stdio.h>
#include "errors.h"
+#include "enums.h"
+#include "imports.h"
+#include "context.h"
+#include "dispatch.h"
+#include "hash.h"
+#include "mtypes.h"
+#include "version.h"
+#include "util/hash_table.h"
+#include "util/simple_list.h"
+
+static mtx_t DynamicIDMutex = _MTX_INITIALIZER_NP;
+static GLuint NextDynamicID = 1;
+
+/**
+ * A namespace element.
+ */
+struct gl_debug_element
+{
+ struct simple_node link;
+
+ GLuint ID;
+ /* at which severity levels (mesa_debug_severity) is the message enabled */
+ GLbitfield State;
+};
+
+struct gl_debug_namespace
+{
+ struct simple_node Elements;
+ GLbitfield DefaultState;
+};
+
+struct gl_debug_group {
+ struct gl_debug_namespace Namespaces[MESA_DEBUG_SOURCE_COUNT][MESA_DEBUG_TYPE_COUNT];
+};
+
+/**
+ * An error, warning, or other piece of debug information for an application
+ * to consume via GL_ARB_debug_output/GL_KHR_debug.
+ */
+struct gl_debug_message
+{
+ enum mesa_debug_source source;
+ enum mesa_debug_type type;
+ GLuint id;
+ enum mesa_debug_severity severity;
+ /* length as given by the user - if message was explicitly null terminated,
+ * length can be negative */
+ GLsizei length;
+ GLcharARB *message;
+};
+
+/**
+ * Debug message log. It works like a ring buffer.
+ */
+struct gl_debug_log {
+ struct gl_debug_message Messages[MAX_DEBUG_LOGGED_MESSAGES];
+ GLint NextMessage;
+ GLint NumMessages;
+};
+
+struct gl_debug_state
+{
+ GLDEBUGPROC Callback;
+ const void *CallbackData;
+ GLboolean SyncOutput;
+ GLboolean DebugOutput;
+
+ struct gl_debug_group *Groups[MAX_DEBUG_GROUP_STACK_DEPTH];
+ struct gl_debug_message GroupMessages[MAX_DEBUG_GROUP_STACK_DEPTH];
+ GLint CurrentGroup; // GroupStackDepth - 1
+
+ struct gl_debug_log Log;
+};
+
+static char out_of_memory[] = "Debugging error: out of memory";
+
+static const GLenum debug_source_enums[] = {
+ GL_DEBUG_SOURCE_API,
+ GL_DEBUG_SOURCE_WINDOW_SYSTEM,
+ GL_DEBUG_SOURCE_SHADER_COMPILER,
+ GL_DEBUG_SOURCE_THIRD_PARTY,
+ GL_DEBUG_SOURCE_APPLICATION,
+ GL_DEBUG_SOURCE_OTHER,
+};
+
+static const GLenum debug_type_enums[] = {
+ GL_DEBUG_TYPE_ERROR,
+ GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR,
+ GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR,
+ GL_DEBUG_TYPE_PORTABILITY,
+ GL_DEBUG_TYPE_PERFORMANCE,
+ GL_DEBUG_TYPE_OTHER,
+ GL_DEBUG_TYPE_MARKER,
+ GL_DEBUG_TYPE_PUSH_GROUP,
+ GL_DEBUG_TYPE_POP_GROUP,
+};
+
+static const GLenum debug_severity_enums[] = {
+ GL_DEBUG_SEVERITY_LOW,
+ GL_DEBUG_SEVERITY_MEDIUM,
+ GL_DEBUG_SEVERITY_HIGH,
+ GL_DEBUG_SEVERITY_NOTIFICATION,
+};
+
+
+static enum mesa_debug_source
+gl_enum_to_debug_source(GLenum e)
+{
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(debug_source_enums); i++) {
+ if (debug_source_enums[i] == e)
+ break;
+ }
+ return i;
+}
+
+static enum mesa_debug_type
+gl_enum_to_debug_type(GLenum e)
+{
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(debug_type_enums); i++) {
+ if (debug_type_enums[i] == e)
+ break;
+ }
+ return i;
+}
+
+static enum mesa_debug_severity
+gl_enum_to_debug_severity(GLenum e)
+{
+ unsigned i;
+
+ for (i = 0; i < ARRAY_SIZE(debug_severity_enums); i++) {
+ if (debug_severity_enums[i] == e)
+ break;
+ }
+ return i;
+}
+
+
+/**
+ * Handles generating a GL_ARB_debug_output message ID generated by the GL or
+ * GLSL compiler.
+ *
+ * The GL API has this "ID" mechanism, where the intention is to allow a
+ * client to filter in/out messages based on source, type, and ID. Of course,
+ * building a giant enum list of all debug output messages that Mesa might
+ * generate is ridiculous, so instead we have our caller pass us a pointer to
+ * static storage where the ID should get stored. This ID will be shared
+ * across all contexts for that message (which seems like a desirable
+ * property, even if it's not expected by the spec), but note that it won't be
+ * the same between executions if messages aren't generated in the same order.
+ */
+static void
+debug_get_id(GLuint *id)
+{
+ if (!(*id)) {
+ mtx_lock(&DynamicIDMutex);
+ if (!(*id))
+ *id = NextDynamicID++;
+ mtx_unlock(&DynamicIDMutex);
+ }
+}
+
+static void
+debug_message_clear(struct gl_debug_message *msg)
+{
+ if (msg->message != (char*)out_of_memory)
+ free(msg->message);
+ msg->message = NULL;
+ msg->length = 0;
+}
+
+static void
+debug_message_store(struct gl_debug_message *msg,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type, GLuint id,
+ enum mesa_debug_severity severity,
+ GLsizei len, const char *buf)
+{
+ GLsizei length = len;
+
+ assert(!msg->message && !msg->length);
+
+ if (length < 0)
+ length = strlen(buf);
+
+ msg->message = malloc(length+1);
+ if (msg->message) {
+ (void) strncpy(msg->message, buf, (size_t)length);
+ msg->message[length] = '\0';
+
+ msg->length = len;
+ msg->source = source;
+ msg->type = type;
+ msg->id = id;
+ msg->severity = severity;
+ } else {
+ static GLuint oom_msg_id = 0;
+ debug_get_id(&oom_msg_id);
+
+ /* malloc failed! */
+ msg->message = out_of_memory;
+ msg->length = -1;
+ msg->source = MESA_DEBUG_SOURCE_OTHER;
+ msg->type = MESA_DEBUG_TYPE_ERROR;
+ msg->id = oom_msg_id;
+ msg->severity = MESA_DEBUG_SEVERITY_HIGH;
+ }
+}
+
+static void
+debug_namespace_init(struct gl_debug_namespace *ns)
+{
+ make_empty_list(&ns->Elements);
+
+ /* Enable all the messages with severity HIGH or MEDIUM by default */
+ ns->DefaultState = (1 << MESA_DEBUG_SEVERITY_MEDIUM ) |
+ (1 << MESA_DEBUG_SEVERITY_HIGH) |
+ (1 << MESA_DEBUG_SEVERITY_NOTIFICATION);
+}
+
+static void
+debug_namespace_clear(struct gl_debug_namespace *ns)
+{
+ struct simple_node *node, *tmp;
+
+ foreach_s(node, tmp, &ns->Elements)
+ free(node);
+}
+
+static bool
+debug_namespace_copy(struct gl_debug_namespace *dst,
+ const struct gl_debug_namespace *src)
+{
+ struct simple_node *node;
+
+ dst->DefaultState = src->DefaultState;
+
+ make_empty_list(&dst->Elements);
+ foreach(node, &src->Elements) {
+ const struct gl_debug_element *elem =
+ (const struct gl_debug_element *) node;
+ struct gl_debug_element *copy;
+
+ copy = malloc(sizeof(*copy));
+ if (!copy) {
+ debug_namespace_clear(dst);
+ return false;
+ }
+
+ copy->ID = elem->ID;
+ copy->State = elem->State;
+ insert_at_tail(&dst->Elements, ©->link);
+ }
+
+ return true;
+}
+
+/**
+ * Set the state of \p id in the namespace.
+ */
+static bool
+debug_namespace_set(struct gl_debug_namespace *ns,
+ GLuint id, bool enabled)
+{
+ const uint32_t state = (enabled) ?
+ ((1 << MESA_DEBUG_SEVERITY_COUNT) - 1) : 0;
+ struct gl_debug_element *elem = NULL;
+ struct simple_node *node;
+
+ /* find the element */
+ foreach(node, &ns->Elements) {
+ struct gl_debug_element *tmp = (struct gl_debug_element *) node;
+ if (tmp->ID == id) {
+ elem = tmp;
+ break;
+ }
+ }
+
+ /* we do not need the element if it has the default state */
+ if (ns->DefaultState == state) {
+ if (elem) {
+ remove_from_list(&elem->link);
+ free(elem);
+ }
+ return true;
+ }
+
+ if (!elem) {
+ elem = malloc(sizeof(*elem));
+ if (!elem)
+ return false;
+
+ elem->ID = id;
+ insert_at_tail(&ns->Elements, &elem->link);
+ }
+
+ elem->State = state;
+
+ return true;
+}
+
+/**
+ * Set the default state of the namespace for \p severity. When \p severity
+ * is MESA_DEBUG_SEVERITY_COUNT, the default values for all severities are
+ * updated.
+ */
+static void
+debug_namespace_set_all(struct gl_debug_namespace *ns,
+ enum mesa_debug_severity severity,
+ bool enabled)
+{
+ struct simple_node *node, *tmp;
+ uint32_t mask, val;
+
+ /* set all elements to the same state */
+ if (severity == MESA_DEBUG_SEVERITY_COUNT) {
+ ns->DefaultState = (enabled) ? ((1 << severity) - 1) : 0;
+ debug_namespace_clear(ns);
+ make_empty_list(&ns->Elements);
+ return;
+ }
+
+ mask = 1 << severity;
+ val = (enabled) ? mask : 0;
+
+ ns->DefaultState = (ns->DefaultState & ~mask) | val;
+
+ foreach_s(node, tmp, &ns->Elements) {
+ struct gl_debug_element *elem = (struct gl_debug_element *) node;
+
+ elem->State = (elem->State & ~mask) | val;
+ if (elem->State == ns->DefaultState) {
+ remove_from_list(node);
+ free(node);
+ }
+ }
+}
+
+/**
+ * Get the state of \p id in the namespace.
+ */
+static bool
+debug_namespace_get(const struct gl_debug_namespace *ns, GLuint id,
+ enum mesa_debug_severity severity)
+{
+ struct simple_node *node;
+ uint32_t state;
+
+ state = ns->DefaultState;
+ foreach(node, &ns->Elements) {
+ struct gl_debug_element *elem = (struct gl_debug_element *) node;
+
+ if (elem->ID == id) {
+ state = elem->State;
+ break;
+ }
+ }
+
+ return (state & (1 << severity));
+}
+
+/**
+ * Allocate and initialize context debug state.
+ */
+static struct gl_debug_state *
+debug_create(void)
+{
+ struct gl_debug_state *debug;
+ int s, t;
+
+ debug = CALLOC_STRUCT(gl_debug_state);
+ if (!debug)
+ return NULL;
+
+ debug->Groups[0] = malloc(sizeof(*debug->Groups[0]));
+ if (!debug->Groups[0]) {
+ free(debug);
+ return NULL;
+ }
+
+ /* Initialize state for filtering known debug messages. */
+ for (s = 0; s < MESA_DEBUG_SOURCE_COUNT; s++) {
+ for (t = 0; t < MESA_DEBUG_TYPE_COUNT; t++)
+ debug_namespace_init(&debug->Groups[0]->Namespaces[s][t]);
+ }
+
+ return debug;
+}
+
+/**
+ * Return true if the top debug group points to the group below it.
+ */
+static bool
+debug_is_group_read_only(const struct gl_debug_state *debug)
+{
+ const GLint gstack = debug->CurrentGroup;
+ return (gstack > 0 && debug->Groups[gstack] == debug->Groups[gstack - 1]);
+}
+
+/**
+ * Make the top debug group writable.
+ */
+static bool
+debug_make_group_writable(struct gl_debug_state *debug)
+{
+ const GLint gstack = debug->CurrentGroup;
+ const struct gl_debug_group *src = debug->Groups[gstack];
+ struct gl_debug_group *dst;
+ int s, t;
+
+ if (!debug_is_group_read_only(debug))
+ return true;
+
+ dst = malloc(sizeof(*dst));
+ if (!dst)
+ return false;
+
+ for (s = 0; s < MESA_DEBUG_SOURCE_COUNT; s++) {
+ for (t = 0; t < MESA_DEBUG_TYPE_COUNT; t++) {
+ if (!debug_namespace_copy(&dst->Namespaces[s][t],
+ &src->Namespaces[s][t])) {
+ /* error path! */
+ for (t = t - 1; t >= 0; t--)
+ debug_namespace_clear(&dst->Namespaces[s][t]);
+ for (s = s - 1; s >= 0; s--) {
+ for (t = 0; t < MESA_DEBUG_TYPE_COUNT; t++)
+ debug_namespace_clear(&dst->Namespaces[s][t]);
+ }
+ free(dst);
+ return false;
+ }
+ }
+ }
+
+ debug->Groups[gstack] = dst;
+
+ return true;
+}
+
+/**
+ * Free the top debug group.
+ */
+static void
+debug_clear_group(struct gl_debug_state *debug)
+{
+ const GLint gstack = debug->CurrentGroup;
+
+ if (!debug_is_group_read_only(debug)) {
+ struct gl_debug_group *grp = debug->Groups[gstack];
+ int s, t;
+
+ for (s = 0; s < MESA_DEBUG_SOURCE_COUNT; s++) {
+ for (t = 0; t < MESA_DEBUG_TYPE_COUNT; t++)
+ debug_namespace_clear(&grp->Namespaces[s][t]);
+ }
+
+ free(grp);
+ }
+
+ debug->Groups[gstack] = NULL;
+}
+
+/**
+ * Loop through debug group stack tearing down states for
+ * filtering debug messages. Then free debug output state.
+ */
+static void
+debug_destroy(struct gl_debug_state *debug)
+{
+ while (debug->CurrentGroup > 0) {
+ debug_clear_group(debug);
+ debug->CurrentGroup--;
+ }
+
+ debug_clear_group(debug);
+ free(debug);
+}
+
+/**
+ * Sets the state of the given message source/type/ID tuple.
+ */
+static void
+debug_set_message_enable(struct gl_debug_state *debug,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type,
+ GLuint id, GLboolean enabled)
+{
+ const GLint gstack = debug->CurrentGroup;
+ struct gl_debug_namespace *ns;
+
+ debug_make_group_writable(debug);
+ ns = &debug->Groups[gstack]->Namespaces[source][type];
+
+ debug_namespace_set(ns, id, enabled);
+}
+
+/*
+ * Set the state of all message IDs found in the given intersection of
+ * 'source', 'type', and 'severity'. The _COUNT enum can be used for
+ * GL_DONT_CARE (include all messages in the class).
+ *
+ * This requires both setting the state of all previously seen message
+ * IDs in the hash table, and setting the default state for all
+ * applicable combinations of source/type/severity, so that all the
+ * yet-unknown message IDs that may be used in the future will be
+ * impacted as if they were already known.
+ */
+static void
+debug_set_message_enable_all(struct gl_debug_state *debug,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type,
+ enum mesa_debug_severity severity,
+ GLboolean enabled)
+{
+ const GLint gstack = debug->CurrentGroup;
+ int s, t, smax, tmax;
+
+ if (source == MESA_DEBUG_SOURCE_COUNT) {
+ source = 0;
+ smax = MESA_DEBUG_SOURCE_COUNT;
+ } else {
+ smax = source+1;
+ }
+
+ if (type == MESA_DEBUG_TYPE_COUNT) {
+ type = 0;
+ tmax = MESA_DEBUG_TYPE_COUNT;
+ } else {
+ tmax = type+1;
+ }
+
+ debug_make_group_writable(debug);
+
+ for (s = source; s < smax; s++) {
+ for (t = type; t < tmax; t++) {
+ struct gl_debug_namespace *nspace =
+ &debug->Groups[gstack]->Namespaces[s][t];
+ debug_namespace_set_all(nspace, severity, enabled);
+ }
+ }
+}
+
+/**
+ * Returns if the given message source/type/ID tuple is enabled.
+ */
+static bool
+debug_is_message_enabled(const struct gl_debug_state *debug,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type,
+ GLuint id,
+ enum mesa_debug_severity severity)
+{
+ const GLint gstack = debug->CurrentGroup;
+ struct gl_debug_group *grp = debug->Groups[gstack];
+ struct gl_debug_namespace *nspace = &grp->Namespaces[source][type];
+
+ if (!debug->DebugOutput)
+ return false;
+
+ return debug_namespace_get(nspace, id, severity);
+}
+
+/**
+ * 'buf' is not necessarily a null-terminated string. When logging, copy
+ * 'len' characters from it, store them in a new, null-terminated string,
+ * and remember the number of bytes used by that string, *including*
+ * the null terminator this time.
+ */
+static void
+debug_log_message(struct gl_debug_state *debug,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type, GLuint id,
+ enum mesa_debug_severity severity,
+ GLsizei len, const char *buf)
+{
+ struct gl_debug_log *log = &debug->Log;
+ GLint nextEmpty;
+ struct gl_debug_message *emptySlot;
+
+ assert(len < MAX_DEBUG_MESSAGE_LENGTH);
+
+ if (log->NumMessages == MAX_DEBUG_LOGGED_MESSAGES)
+ return;
+
+ nextEmpty = (log->NextMessage + log->NumMessages)
+ % MAX_DEBUG_LOGGED_MESSAGES;
+ emptySlot = &log->Messages[nextEmpty];
+
+ debug_message_store(emptySlot, source, type,
+ id, severity, len, buf);
+
+ log->NumMessages++;
+}
+
+/**
+ * Return the oldest debug message out of the log.
+ */
+static const struct gl_debug_message *
+debug_fetch_message(const struct gl_debug_state *debug)
+{
+ const struct gl_debug_log *log = &debug->Log;
+
+ return (log->NumMessages) ? &log->Messages[log->NextMessage] : NULL;
+}
+
+/**
+ * Delete the oldest debug messages out of the log.
+ */
+static void
+debug_delete_messages(struct gl_debug_state *debug, int count)
+{
+ struct gl_debug_log *log = &debug->Log;
+
+ if (count > log->NumMessages)
+ count = log->NumMessages;
+
+ while (count--) {
+ struct gl_debug_message *msg = &log->Messages[log->NextMessage];
+
+ debug_message_clear(msg);
+
+ log->NumMessages--;
+ log->NextMessage++;
+ log->NextMessage %= MAX_DEBUG_LOGGED_MESSAGES;
+ }
+}
+
+static struct gl_debug_message *
+debug_get_group_message(struct gl_debug_state *debug)
+{
+ return &debug->GroupMessages[debug->CurrentGroup];
+}
+
+static void
+debug_push_group(struct gl_debug_state *debug)
+{
+ const GLint gstack = debug->CurrentGroup;
+
+ /* just point to the previous stack */
+ debug->Groups[gstack + 1] = debug->Groups[gstack];
+ debug->CurrentGroup++;
+}
+
+static void
+debug_pop_group(struct gl_debug_state *debug)
+{
+ debug_clear_group(debug);
+ debug->CurrentGroup--;
+}
+
+
+/**
+ * Lock and return debug state for the context. The debug state will be
+ * allocated and initialized upon the first call. When NULL is returned, the
+ * debug state is not locked.
+ */
+static struct gl_debug_state *
+_mesa_lock_debug_state(struct gl_context *ctx)
+{
+ mtx_lock(&ctx->DebugMutex);
+
+ if (!ctx->Debug) {
+ ctx->Debug = debug_create();
+ if (!ctx->Debug) {
+ GET_CURRENT_CONTEXT(cur);
+ mtx_unlock(&ctx->DebugMutex);
+
+ /*
+ * This function may be called from other threads. When that is the
+ * case, we cannot record this OOM error.
+ */
+ if (ctx == cur)
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "allocating debug state");
+
+ return NULL;
+ }
+ }
+
+ return ctx->Debug;
+}
+
+static void
+_mesa_unlock_debug_state(struct gl_context *ctx)
+{
+ mtx_unlock(&ctx->DebugMutex);
+}
+
+/**
+ * Set the integer debug state specified by \p pname. This can be called from
+ * _mesa_set_enable for example.
+ */
+bool
+_mesa_set_debug_state_int(struct gl_context *ctx, GLenum pname, GLint val)
+{
+ struct gl_debug_state *debug = _mesa_lock_debug_state(ctx);
+
+ if (!debug)
+ return false;
+
+ switch (pname) {
+ case GL_DEBUG_OUTPUT:
+ debug->DebugOutput = (val != 0);
+ break;
+ case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB:
+ debug->SyncOutput = (val != 0);
+ break;
+ default:
+ assert(!"unknown debug output param");
+ break;
+ }
+
+ _mesa_unlock_debug_state(ctx);
+
+ return true;
+}
+
+/**
+ * Query the integer debug state specified by \p pname. This can be called
+ * _mesa_GetIntegerv for example.
+ */
+GLint
+_mesa_get_debug_state_int(struct gl_context *ctx, GLenum pname)
+{
+ struct gl_debug_state *debug;
+ GLint val;
+
+ mtx_lock(&ctx->DebugMutex);
+ debug = ctx->Debug;
+ if (!debug) {
+ mtx_unlock(&ctx->DebugMutex);
+ return 0;
+ }
+
+ switch (pname) {
+ case GL_DEBUG_OUTPUT:
+ val = debug->DebugOutput;
+ break;
+ case GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB:
+ val = debug->SyncOutput;
+ break;
+ case GL_DEBUG_LOGGED_MESSAGES:
+ val = debug->Log.NumMessages;
+ break;
+ case GL_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH:
+ val = (debug->Log.NumMessages) ?
+ debug->Log.Messages[debug->Log.NextMessage].length : 0;
+ break;
+ case GL_DEBUG_GROUP_STACK_DEPTH:
+ val = debug->CurrentGroup + 1;
+ break;
+ default:
+ assert(!"unknown debug output param");
+ val = 0;
+ break;
+ }
+
+ mtx_unlock(&ctx->DebugMutex);
+
+ return val;
+}
+
+/**
+ * Query the pointer debug state specified by \p pname. This can be called
+ * _mesa_GetPointerv for example.
+ */
+void *
+_mesa_get_debug_state_ptr(struct gl_context *ctx, GLenum pname)
+{
+ struct gl_debug_state *debug;
+ void *val;
-#include "imports.h"
-#include "context.h"
-#include "mtypes.h"
-#include "version.h"
+ mtx_lock(&ctx->DebugMutex);
+ debug = ctx->Debug;
+ if (!debug) {
+ mtx_unlock(&ctx->DebugMutex);
+ return NULL;
+ }
+
+ switch (pname) {
+ case GL_DEBUG_CALLBACK_FUNCTION_ARB:
+ val = (void *) debug->Callback;
+ break;
+ case GL_DEBUG_CALLBACK_USER_PARAM_ARB:
+ val = (void *) debug->CallbackData;
+ break;
+ default:
+ assert(!"unknown debug output param");
+ val = NULL;
+ break;
+ }
+
+ mtx_unlock(&ctx->DebugMutex);
+
+ return val;
+}
+
+/**
+ * Insert a debug message. The mutex is assumed to be locked, and will be
+ * unlocked by this call.
+ */
+static void
+log_msg_locked_and_unlock(struct gl_context *ctx,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type, GLuint id,
+ enum mesa_debug_severity severity,
+ GLint len, const char *buf)
+{
+ struct gl_debug_state *debug = ctx->Debug;
+
+ if (!debug_is_message_enabled(debug, source, type, id, severity)) {
+ _mesa_unlock_debug_state(ctx);
+ return;
+ }
+
+ if (ctx->Debug->Callback) {
+ GLenum gl_source = debug_source_enums[source];
+ GLenum gl_type = debug_type_enums[type];
+ GLenum gl_severity = debug_severity_enums[severity];
+ GLDEBUGPROC callback = ctx->Debug->Callback;
+ const void *data = ctx->Debug->CallbackData;
+
+ /*
+ * When ctx->Debug->SyncOutput is GL_FALSE, the client is prepared for
+ * unsynchronous calls. When it is GL_TRUE, we will not spawn threads.
+ * In either case, we can call the callback unlocked.
+ */
+ _mesa_unlock_debug_state(ctx);
+ callback(gl_source, gl_type, id, gl_severity, len, buf, data);
+ }
+ else {
+ debug_log_message(ctx->Debug, source, type, id, severity, len, buf);
+ _mesa_unlock_debug_state(ctx);
+ }
+}
+
+/**
+ * Log a client or driver debug message.
+ */
+static void
+log_msg(struct gl_context *ctx, enum mesa_debug_source source,
+ enum mesa_debug_type type, GLuint id,
+ enum mesa_debug_severity severity, GLint len, const char *buf)
+{
+ struct gl_debug_state *debug = _mesa_lock_debug_state(ctx);
+
+ if (!debug)
+ return;
+
+ log_msg_locked_and_unlock(ctx, source, type, id, severity, len, buf);
+}
+
+
+/**
+ * Verify that source, type, and severity are valid enums.
+ *
+ * The 'caller' param is used for handling values available
+ * only in glDebugMessageInsert or glDebugMessageControl
+ */
+static GLboolean
+validate_params(struct gl_context *ctx, unsigned caller,
+ const char *callerstr, GLenum source, GLenum type,
+ GLenum severity)
+{
+#define INSERT 1
+#define CONTROL 2
+ switch(source) {
+ case GL_DEBUG_SOURCE_APPLICATION_ARB:
+ case GL_DEBUG_SOURCE_THIRD_PARTY_ARB:
+ break;
+ case GL_DEBUG_SOURCE_API_ARB:
+ case GL_DEBUG_SOURCE_SHADER_COMPILER_ARB:
+ case GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB:
+ case GL_DEBUG_SOURCE_OTHER_ARB:
+ if (caller != INSERT)
+ break;
+ else
+ goto error;
+ case GL_DONT_CARE:
+ if (caller == CONTROL)
+ break;
+ else
+ goto error;
+ default:
+ goto error;
+ }
+
+ switch(type) {
+ case GL_DEBUG_TYPE_ERROR_ARB:
+ case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB:
+ case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB:
+ case GL_DEBUG_TYPE_PERFORMANCE_ARB:
+ case GL_DEBUG_TYPE_PORTABILITY_ARB:
+ case GL_DEBUG_TYPE_OTHER_ARB:
+ case GL_DEBUG_TYPE_MARKER:
+ case GL_DEBUG_TYPE_PUSH_GROUP:
+ case GL_DEBUG_TYPE_POP_GROUP:
+ break;
+ case GL_DONT_CARE:
+ if (caller == CONTROL)
+ break;
+ else
+ goto error;
+ default:
+ goto error;
+ }
+
+ switch(severity) {
+ case GL_DEBUG_SEVERITY_HIGH_ARB:
+ case GL_DEBUG_SEVERITY_MEDIUM_ARB:
+ case GL_DEBUG_SEVERITY_LOW_ARB:
+ case GL_DEBUG_SEVERITY_NOTIFICATION:
+ break;
+ case GL_DONT_CARE:
+ if (caller == CONTROL)
+ break;
+ else
+ goto error;
+ default:
+ goto error;
+ }
+ return GL_TRUE;
+
+error:
+ _mesa_error(ctx, GL_INVALID_ENUM, "bad values passed to %s"
+ "(source=0x%x, type=0x%x, severity=0x%x)", callerstr,
+ source, type, severity);
+
+ return GL_FALSE;
+}
+
+
+static GLboolean
+validate_length(struct gl_context *ctx, const char *callerstr, GLsizei length,
+ const GLchar *buf)
+{
+
+ if (length < 0) {
+ GLsizei len = strlen(buf);
+
+ if (len >= MAX_DEBUG_MESSAGE_LENGTH) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(null terminated string length=%d, is not less than "
+ "GL_MAX_DEBUG_MESSAGE_LENGTH=%d)", callerstr, len,
+ MAX_DEBUG_MESSAGE_LENGTH);
+ return GL_FALSE;
+ }
+ }
+
+ if (length >= MAX_DEBUG_MESSAGE_LENGTH) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(length=%d, which is not less than "
+ "GL_MAX_DEBUG_MESSAGE_LENGTH=%d)", callerstr, length,
+ MAX_DEBUG_MESSAGE_LENGTH);
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
+void GLAPIENTRY
+_mesa_DebugMessageInsert(GLenum source, GLenum type, GLuint id,
+ GLenum severity, GLint length,
+ const GLchar *buf)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *callerstr;
+
+ if (_mesa_is_desktop_gl(ctx))
+ callerstr = "glDebugMessageInsert";
+ else
+ callerstr = "glDebugMessageInsertKHR";
+
+ if (!validate_params(ctx, INSERT, callerstr, source, type, severity))
+ return; /* GL_INVALID_ENUM */
+
+ if (!validate_length(ctx, callerstr, length, buf))
+ return; /* GL_INVALID_VALUE */
+
+ log_msg(ctx, gl_enum_to_debug_source(source),
+ gl_enum_to_debug_type(type), id,
+ gl_enum_to_debug_severity(severity),
+ length, buf);
+}
+
+
+GLuint GLAPIENTRY
+_mesa_GetDebugMessageLog(GLuint count, GLsizei logSize, GLenum *sources,
+ GLenum *types, GLenum *ids, GLenum *severities,
+ GLsizei *lengths, GLchar *messageLog)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_debug_state *debug;
+ const char *callerstr;
+ GLuint ret;
+
+ if (_mesa_is_desktop_gl(ctx))
+ callerstr = "glGetDebugMessageLog";
+ else
+ callerstr = "glGetDebugMessageLogKHR";
+
+ if (!messageLog)
+ logSize = 0;
+
+ if (logSize < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(logSize=%d : logSize must not be negative)",
+ callerstr, logSize);
+ return 0;
+ }
+
+ debug = _mesa_lock_debug_state(ctx);
+ if (!debug)
+ return 0;
+
+ for (ret = 0; ret < count; ret++) {
+ const struct gl_debug_message *msg = debug_fetch_message(debug);
+ GLsizei len;
+
+ if (!msg)
+ break;
+
+ len = msg->length;
+ if (len < 0)
+ len = strlen(msg->message);
+
+ if (logSize < len+1 && messageLog != NULL)
+ break;
+
+ if (messageLog) {
+ assert(msg->message[len] == '\0');
+ (void) strncpy(messageLog, msg->message, (size_t)len+1);
+
+ messageLog += len+1;
+ logSize -= len+1;
+ }
+
+ if (lengths)
+ *lengths++ = len+1;
+ if (severities)
+ *severities++ = debug_severity_enums[msg->severity];
+ if (sources)
+ *sources++ = debug_source_enums[msg->source];
+ if (types)
+ *types++ = debug_type_enums[msg->type];
+ if (ids)
+ *ids++ = msg->id;
+
+ debug_delete_messages(debug, 1);
+ }
+
+ _mesa_unlock_debug_state(ctx);
+
+ return ret;
+}
+
+
+void GLAPIENTRY
+_mesa_DebugMessageControl(GLenum gl_source, GLenum gl_type,
+ GLenum gl_severity, GLsizei count,
+ const GLuint *ids, GLboolean enabled)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ enum mesa_debug_source source = gl_enum_to_debug_source(gl_source);
+ enum mesa_debug_type type = gl_enum_to_debug_type(gl_type);
+ enum mesa_debug_severity severity = gl_enum_to_debug_severity(gl_severity);
+ const char *callerstr;
+ struct gl_debug_state *debug;
+
+ if (_mesa_is_desktop_gl(ctx))
+ callerstr = "glDebugMessageControl";
+ else
+ callerstr = "glDebugMessageControlKHR";
+
+ if (count < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "%s(count=%d : count must not be negative)", callerstr,
+ count);
+ return;
+ }
+
+ if (!validate_params(ctx, CONTROL, callerstr, gl_source, gl_type,
+ gl_severity))
+ return; /* GL_INVALID_ENUM */
+
+ if (count && (gl_severity != GL_DONT_CARE || gl_type == GL_DONT_CARE
+ || gl_source == GL_DONT_CARE)) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(When passing an array of ids, severity must be"
+ " GL_DONT_CARE, and source and type must not be GL_DONT_CARE.",
+ callerstr);
+ return;
+ }
+
+ debug = _mesa_lock_debug_state(ctx);
+ if (!debug)
+ return;
+
+ if (count) {
+ GLsizei i;
+ for (i = 0; i < count; i++)
+ debug_set_message_enable(debug, source, type, ids[i], enabled);
+ }
+ else {
+ debug_set_message_enable_all(debug, source, type, severity, enabled);
+ }
+
+ _mesa_unlock_debug_state(ctx);
+}
+
+
+void GLAPIENTRY
+_mesa_DebugMessageCallback(GLDEBUGPROC callback, const void *userParam)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_debug_state *debug = _mesa_lock_debug_state(ctx);
+ if (debug) {
+ debug->Callback = callback;
+ debug->CallbackData = userParam;
+ _mesa_unlock_debug_state(ctx);
+ }
+}
+
+
+void GLAPIENTRY
+_mesa_PushDebugGroup(GLenum source, GLuint id, GLsizei length,
+ const GLchar *message)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *callerstr;
+ struct gl_debug_state *debug;
+ struct gl_debug_message *emptySlot;
+
+ if (_mesa_is_desktop_gl(ctx))
+ callerstr = "glPushDebugGroup";
+ else
+ callerstr = "glPushDebugGroupKHR";
+
+ switch(source) {
+ case GL_DEBUG_SOURCE_APPLICATION:
+ case GL_DEBUG_SOURCE_THIRD_PARTY:
+ break;
+ default:
+ _mesa_error(ctx, GL_INVALID_ENUM, "bad value passed to %s"
+ "(source=0x%x)", callerstr, source);
+ return;
+ }
+
+ if (!validate_length(ctx, callerstr, length, message))
+ return; /* GL_INVALID_VALUE */
+
+ debug = _mesa_lock_debug_state(ctx);
+ if (!debug)
+ return;
+
+ if (debug->CurrentGroup >= MAX_DEBUG_GROUP_STACK_DEPTH-1) {
+ _mesa_unlock_debug_state(ctx);
+ _mesa_error(ctx, GL_STACK_OVERFLOW, "%s", callerstr);
+ return;
+ }
+
+ /* pop reuses the message details from push so we store this */
+ emptySlot = debug_get_group_message(debug);
+ debug_message_store(emptySlot,
+ gl_enum_to_debug_source(source),
+ gl_enum_to_debug_type(GL_DEBUG_TYPE_PUSH_GROUP),
+ id,
+ gl_enum_to_debug_severity(GL_DEBUG_SEVERITY_NOTIFICATION),
+ length, message);
+
+ debug_push_group(debug);
+ log_msg_locked_and_unlock(ctx,
+ gl_enum_to_debug_source(source),
+ MESA_DEBUG_TYPE_PUSH_GROUP, id,
+ MESA_DEBUG_SEVERITY_NOTIFICATION, length,
+ message);
+}
+
+
+void GLAPIENTRY
+_mesa_PopDebugGroup(void)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ const char *callerstr;
+ struct gl_debug_state *debug;
+ struct gl_debug_message *gdmessage, msg;
+
+ if (_mesa_is_desktop_gl(ctx))
+ callerstr = "glPopDebugGroup";
+ else
+ callerstr = "glPopDebugGroupKHR";
+
+ debug = _mesa_lock_debug_state(ctx);
+ if (!debug)
+ return;
+
+ if (debug->CurrentGroup <= 0) {
+ _mesa_unlock_debug_state(ctx);
+ _mesa_error(ctx, GL_STACK_UNDERFLOW, "%s", callerstr);
+ return;
+ }
+
+ debug_pop_group(debug);
+
+ /* make a shallow copy */
+ gdmessage = debug_get_group_message(debug);
+ msg = *gdmessage;
+ gdmessage->message = NULL;
+ gdmessage->length = 0;
+
+ log_msg_locked_and_unlock(ctx,
+ msg.source,
+ gl_enum_to_debug_type(GL_DEBUG_TYPE_POP_GROUP),
+ msg.id,
+ gl_enum_to_debug_severity(GL_DEBUG_SEVERITY_NOTIFICATION),
+ msg.length, msg.message);
+
+ debug_message_clear(&msg);
+}
+
+
+void
+_mesa_init_errors(struct gl_context *ctx)
+{
+ mtx_init(&ctx->DebugMutex, mtx_plain);
+}
+
+
+void
+_mesa_free_errors_data(struct gl_context *ctx)
+{
+ if (ctx->Debug) {
+ debug_destroy(ctx->Debug);
+ /* set to NULL just in case it is used before context is completely gone. */
+ ctx->Debug = NULL;
+ }
+
+ mtx_destroy(&ctx->DebugMutex);
+}
-#define MAXSTRING 4000 /* for _mesa_vsnprintf() */
+void GLAPIENTRY
+_mesa_StringMarkerGREMEDY(GLsizei len, const GLvoid *string)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ if (ctx->Extensions.GREMEDY_string_marker) {
+ /* if length not specified, string will be null terminated: */
+ if (len <= 0)
+ len = strlen(string);
+ ctx->Driver.EmitStringMarker(ctx, string, len);
+ } else {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "StringMarkerGREMEDY");
+ }
+}
/**********************************************************************/
/** \name Diagnostics */
/*@{*/
+static FILE *LogFile = NULL;
+
+
static void
output_if_debug(const char *prefixString, const char *outputString,
GLboolean newline)
{
static int debug = -1;
- /* Check the MESA_DEBUG environment variable if it hasn't
- * been checked yet. We only have to check it once...
+ /* Init the local 'debug' var once.
+ * Note: the _mesa_init_debug() function should have been called
+ * by now so MESA_DEBUG_FLAGS will be initialized.
*/
if (debug == -1) {
- char *env = _mesa_getenv("MESA_DEBUG");
-
- /* In a debug build, we print warning messages *unless*
- * MESA_DEBUG is 0. In a non-debug build, we don't
- * print warning messages *unless* MESA_DEBUG is
- * set *to any value*.
+ /* If MESA_LOG_FILE env var is set, log Mesa errors, warnings,
+ * etc to the named file. Otherwise, output to stderr.
*/
+ const char *logFile = getenv("MESA_LOG_FILE");
+ if (logFile)
+ LogFile = fopen(logFile, "w");
+ if (!LogFile)
+ LogFile = stderr;
#ifdef DEBUG
- debug = (env != NULL && atoi(env) == 0) ? 0 : 1;
+ /* in debug builds, print messages unless MESA_DEBUG="silent" */
+ if (MESA_DEBUG_FLAGS & DEBUG_SILENT)
+ debug = 0;
+ else
+ debug = 1;
#else
- debug = (env != NULL) ? 1 : 0;
+ /* in release builds, be silent unless MESA_DEBUG is set */
+ debug = getenv("MESA_DEBUG") != NULL;
#endif
}
/* Now only print the string if we're required to do so. */
if (debug) {
- fprintf(stderr, "%s: %s", prefixString, outputString);
+ if (prefixString)
+ fprintf(LogFile, "%s: %s", prefixString, outputString);
+ else
+ fprintf(LogFile, "%s", outputString);
if (newline)
- fprintf(stderr, "\n");
+ fprintf(LogFile, "\n");
+ fflush(LogFile);
-#if defined(_WIN32) && !defined(_WIN32_WCE)
+#if defined(_WIN32)
/* stderr from windows applications without console is not usually
* visible, so communicate with the debugger instead */
{
/**
- * Return string version of GL error code.
+ * Return the file handle to use for debug/logging. Defaults to stderr
+ * unless MESA_LOG_FILE is defined.
*/
-static const char *
-error_string( GLenum error )
+FILE *
+_mesa_get_log_file(void)
{
- switch (error) {
- case GL_NO_ERROR:
- return "GL_NO_ERROR";
- case GL_INVALID_VALUE:
- return "GL_INVALID_VALUE";
- case GL_INVALID_ENUM:
- return "GL_INVALID_ENUM";
- case GL_INVALID_OPERATION:
- return "GL_INVALID_OPERATION";
- case GL_STACK_OVERFLOW:
- return "GL_STACK_OVERFLOW";
- case GL_STACK_UNDERFLOW:
- return "GL_STACK_UNDERFLOW";
- case GL_OUT_OF_MEMORY:
- return "GL_OUT_OF_MEMORY";
- case GL_TABLE_TOO_LARGE:
- return "GL_TABLE_TOO_LARGE";
- case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
- return "GL_INVALID_FRAMEBUFFER_OPERATION";
- default:
- return "unknown";
- }
+ assert(LogFile);
+ return LogFile;
}
static void
flush_delayed_errors( struct gl_context *ctx )
{
- char s[MAXSTRING];
+ char s[MAX_DEBUG_MESSAGE_LENGTH];
if (ctx->ErrorDebugCount) {
- _mesa_snprintf(s, MAXSTRING, "%d similar %s errors",
+ _mesa_snprintf(s, MAX_DEBUG_MESSAGE_LENGTH, "%d similar %s errors",
ctx->ErrorDebugCount,
- error_string(ctx->ErrorValue));
+ _mesa_enum_to_string(ctx->ErrorValue));
output_if_debug("Mesa", s, GL_TRUE);
void
_mesa_warning( struct gl_context *ctx, const char *fmtString, ... )
{
- char str[MAXSTRING];
+ char str[MAX_DEBUG_MESSAGE_LENGTH];
va_list args;
va_start( args, fmtString );
- (void) _mesa_vsnprintf( str, MAXSTRING, fmtString, args );
+ (void) _mesa_vsnprintf( str, MAX_DEBUG_MESSAGE_LENGTH, fmtString, args );
va_end( args );
if (ctx)
_mesa_problem( const struct gl_context *ctx, const char *fmtString, ... )
{
va_list args;
- char str[MAXSTRING];
+ char str[MAX_DEBUG_MESSAGE_LENGTH];
static int numCalls = 0;
(void) ctx;
numCalls++;
va_start( args, fmtString );
- _mesa_vsnprintf( str, MAXSTRING, fmtString, args );
+ _mesa_vsnprintf( str, MAX_DEBUG_MESSAGE_LENGTH, fmtString, args );
va_end( args );
fprintf(stderr, "Mesa %s implementation error: %s\n",
- MESA_VERSION_STRING, str);
- fprintf(stderr, "Please report at bugs.freedesktop.org\n");
+ PACKAGE_VERSION, str);
+ fprintf(stderr, "Please report at " PACKAGE_BUGREPORT "\n");
}
}
-/**
- * Record an OpenGL state error. These usually occur when the user
- * passes invalid parameters to a GL function.
- *
- * If debugging is enabled (either at compile-time via the DEBUG macro, or
- * run-time via the MESA_DEBUG environment variable), report the error with
- * _mesa_debug().
- *
- * \param ctx the GL context.
- * \param error the error value.
- * \param fmtString printf() style format string, followed by optional args
- */
-void
-_mesa_error( struct gl_context *ctx, GLenum error, const char *fmtString, ... )
+static GLboolean
+should_output(struct gl_context *ctx, GLenum error, const char *fmtString)
{
static GLint debug = -1;
/* Check debug environment variable only once:
*/
if (debug == -1) {
- const char *debugEnv = _mesa_getenv("MESA_DEBUG");
+ const char *debugEnv = getenv("MESA_DEBUG");
#ifdef DEBUG
if (debugEnv && strstr(debugEnv, "silent"))
#endif
}
- if (debug) {
- if (ctx->ErrorValue == error &&
- ctx->ErrorDebugFmtString == fmtString) {
- ctx->ErrorDebugCount++;
+ if (debug) {
+ if (ctx->ErrorValue != error ||
+ ctx->ErrorDebugFmtString != fmtString) {
+ flush_delayed_errors( ctx );
+ ctx->ErrorDebugFmtString = fmtString;
+ ctx->ErrorDebugCount = 0;
+ return GL_TRUE;
}
- else {
- char s[MAXSTRING], s2[MAXSTRING];
- va_list args;
+ ctx->ErrorDebugCount++;
+ }
+ return GL_FALSE;
+}
+
+
+void
+_mesa_gl_vdebug(struct gl_context *ctx,
+ GLuint *id,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type,
+ enum mesa_debug_severity severity,
+ const char *fmtString,
+ va_list args)
+{
+ char s[MAX_DEBUG_MESSAGE_LENGTH];
+ int len;
+
+ debug_get_id(id);
+
+ len = _mesa_vsnprintf(s, MAX_DEBUG_MESSAGE_LENGTH, fmtString, args);
+
+ log_msg(ctx, source, type, *id, severity, len, s);
+}
- flush_delayed_errors( ctx );
-
- va_start(args, fmtString);
- _mesa_vsnprintf(s, MAXSTRING, fmtString, args);
- va_end(args);
- _mesa_snprintf(s2, MAXSTRING, "%s in %s", error_string(error), s);
+void
+_mesa_gl_debug(struct gl_context *ctx,
+ GLuint *id,
+ enum mesa_debug_source source,
+ enum mesa_debug_type type,
+ enum mesa_debug_severity severity,
+ const char *fmtString, ...)
+{
+ va_list args;
+ va_start(args, fmtString);
+ _mesa_gl_vdebug(ctx, id, source, type, severity, fmtString, args);
+ va_end(args);
+}
+
+
+/**
+ * Record an OpenGL state error. These usually occur when the user
+ * passes invalid parameters to a GL function.
+ *
+ * If debugging is enabled (either at compile-time via the DEBUG macro, or
+ * run-time via the MESA_DEBUG environment variable), report the error with
+ * _mesa_debug().
+ *
+ * \param ctx the GL context.
+ * \param error the error value.
+ * \param fmtString printf() style format string, followed by optional args
+ */
+void
+_mesa_error( struct gl_context *ctx, GLenum error, const char *fmtString, ... )
+{
+ GLboolean do_output, do_log;
+ /* Ideally this would be set up by the caller, so that we had proper IDs
+ * per different message.
+ */
+ static GLuint error_msg_id = 0;
+
+ debug_get_id(&error_msg_id);
+
+ do_output = should_output(ctx, error, fmtString);
+
+ mtx_lock(&ctx->DebugMutex);
+ if (ctx->Debug) {
+ do_log = debug_is_message_enabled(ctx->Debug,
+ MESA_DEBUG_SOURCE_API,
+ MESA_DEBUG_TYPE_ERROR,
+ error_msg_id,
+ MESA_DEBUG_SEVERITY_HIGH);
+ }
+ else {
+ do_log = GL_FALSE;
+ }
+ mtx_unlock(&ctx->DebugMutex);
+
+ if (do_output || do_log) {
+ char s[MAX_DEBUG_MESSAGE_LENGTH], s2[MAX_DEBUG_MESSAGE_LENGTH];
+ int len;
+ va_list args;
+
+ va_start(args, fmtString);
+ len = _mesa_vsnprintf(s, MAX_DEBUG_MESSAGE_LENGTH, fmtString, args);
+ va_end(args);
+
+ if (len >= MAX_DEBUG_MESSAGE_LENGTH) {
+ /* Too long error message. Whoever calls _mesa_error should use
+ * shorter strings.
+ */
+ assert(0);
+ return;
+ }
+
+ len = _mesa_snprintf(s2, MAX_DEBUG_MESSAGE_LENGTH, "%s in %s",
+ _mesa_enum_to_string(error), s);
+ if (len >= MAX_DEBUG_MESSAGE_LENGTH) {
+ /* Same as above. */
+ assert(0);
+ return;
+ }
+
+ /* Print the error to stderr if needed. */
+ if (do_output) {
output_if_debug("Mesa: User error", s2, GL_TRUE);
-
- ctx->ErrorDebugFmtString = fmtString;
- ctx->ErrorDebugCount = 0;
+ }
+
+ /* Log the error via ARB_debug_output if needed.*/
+ if (do_log) {
+ log_msg(ctx, MESA_DEBUG_SOURCE_API, MESA_DEBUG_TYPE_ERROR,
+ error_msg_id, MESA_DEBUG_SEVERITY_HIGH, len, s2);
}
}
+ /* Set the GL context error state for glGetError. */
_mesa_record_error(ctx, error);
}
+void
+_mesa_error_no_memory(const char *caller)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "out of memory in %s", caller);
+}
/**
* Report debug information. Print error message to stderr via fprintf().
_mesa_debug( const struct gl_context *ctx, const char *fmtString, ... )
{
#ifdef DEBUG
- char s[MAXSTRING];
+ char s[MAX_DEBUG_MESSAGE_LENGTH];
va_list args;
va_start(args, fmtString);
- _mesa_vsnprintf(s, MAXSTRING, fmtString, args);
+ _mesa_vsnprintf(s, MAX_DEBUG_MESSAGE_LENGTH, fmtString, args);
va_end(args);
output_if_debug("Mesa", s, GL_FALSE);
#endif /* DEBUG */
(void) fmtString;
}
+
+void
+_mesa_log(const char *fmtString, ...)
+{
+ char s[MAX_DEBUG_MESSAGE_LENGTH];
+ va_list args;
+ va_start(args, fmtString);
+ _mesa_vsnprintf(s, MAX_DEBUG_MESSAGE_LENGTH, fmtString, args);
+ va_end(args);
+ output_if_debug("", s, GL_FALSE);
+}
+
+
+/**
+ * Report debug information from the shader compiler via GL_ARB_debug_output.
+ *
+ * \param ctx GL context.
+ * \param type The namespace to which this message belongs.
+ * \param id The message ID within the given namespace.
+ * \param msg The message to output. Must be null-terminated.
+ */
+void
+_mesa_shader_debug(struct gl_context *ctx, GLenum type, GLuint *id,
+ const char *msg)
+{
+ enum mesa_debug_source source = MESA_DEBUG_SOURCE_SHADER_COMPILER;
+ enum mesa_debug_severity severity = MESA_DEBUG_SEVERITY_HIGH;
+ int len;
+
+ debug_get_id(id);
+
+ len = strlen(msg);
+
+ /* Truncate the message if necessary. */
+ if (len >= MAX_DEBUG_MESSAGE_LENGTH)
+ len = MAX_DEBUG_MESSAGE_LENGTH - 1;
+
+ log_msg(ctx, source, type, *id, severity, len, msg);
+}
+
/*@}*/
projects / mesa.git / blobdiff