* \author Ian Romanick <ian.d.romanick@intel.com>
*/
+#include <inttypes.h>
#include "glheader.h"
-#include "imports.h"
+
#include "context.h"
#include "macros.h"
+#include "get.h"
+#include "mtypes.h"
+#include "util/hash_table.h"
+#include "util/set.h"
+#include "util/u_memory.h"
-#if FEATURE_ARB_sync
#include "syncobj.h"
static struct gl_sync_object *
-_mesa_new_sync_object(GLcontext *ctx, GLenum type)
+_mesa_new_sync_object(struct gl_context *ctx)
{
- struct gl_sync_object *s = MALLOC_STRUCT(gl_sync_object);
+ struct gl_sync_object *s = CALLOC_STRUCT(gl_sync_object);
(void) ctx;
- (void) type;
return s;
}
static void
-_mesa_delete_sync_object(GLcontext *ctx, struct gl_sync_object *syncObj)
+_mesa_delete_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj)
{
(void) ctx;
- _mesa_free(syncObj);
+ free(syncObj->Label);
+ free(syncObj);
}
static void
-_mesa_fence_sync(GLcontext *ctx, struct gl_sync_object *syncObj,
- GLenum condition, GLbitfield flags)
+_mesa_fence_sync(struct gl_context *ctx, struct gl_sync_object *syncObj,
+ GLenum condition, GLbitfield flags)
{
(void) ctx;
(void) condition;
static void
-_mesa_check_sync(GLcontext *ctx, struct gl_sync_object *syncObj)
+_mesa_check_sync(struct gl_context *ctx, struct gl_sync_object *syncObj)
{
(void) ctx;
(void) syncObj;
static void
-_mesa_wait_sync(GLcontext *ctx, struct gl_sync_object *syncObj,
- GLbitfield flags, GLuint64 timeout)
+_mesa_wait_sync(struct gl_context *ctx, struct gl_sync_object *syncObj,
+ GLbitfield flags, GLuint64 timeout)
{
(void) ctx;
(void) syncObj;
driver->ServerWaitSync = _mesa_wait_sync;
}
-
/**
* Allocate/init the context state related to sync objects.
*/
void
-_mesa_init_sync(GLcontext *ctx)
+_mesa_init_sync(struct gl_context *ctx)
{
(void) ctx;
}
* Free the context state related to sync objects.
*/
void
-_mesa_free_sync_data(GLcontext *ctx)
+_mesa_free_sync_data(struct gl_context *ctx)
{
(void) ctx;
}
-static int
-_mesa_validate_sync(struct gl_sync_object *syncObj)
+/**
+ * Check if the given sync object is:
+ * - non-null
+ * - not in sync objects hash table
+ * - not marked as deleted
+ *
+ * Returns the internal gl_sync_object pointer if the sync object is valid
+ * or NULL if it isn't.
+ *
+ * If "incRefCount" is true, the reference count is incremented, which is
+ * normally what you want; otherwise, a glDeleteSync from another thread
+ * could delete the sync object while you are still working on it.
+ */
+struct gl_sync_object *
+_mesa_get_and_ref_sync(struct gl_context *ctx, GLsync sync, bool incRefCount)
{
- return (syncObj != NULL)
- && (syncObj->Type == GL_SYNC_FENCE)
- && !syncObj->DeletePending;
+ struct gl_sync_object *syncObj = (struct gl_sync_object *) sync;
+ simple_mtx_lock(&ctx->Shared->Mutex);
+ if (syncObj != NULL
+ && _mesa_set_search(ctx->Shared->SyncObjects, syncObj) != NULL
+ && !syncObj->DeletePending) {
+ if (incRefCount) {
+ syncObj->RefCount++;
+ }
+ } else {
+ syncObj = NULL;
+ }
+ simple_mtx_unlock(&ctx->Shared->Mutex);
+ return syncObj;
}
void
-_mesa_ref_sync_object(GLcontext *ctx, struct gl_sync_object *syncObj)
+_mesa_unref_sync_object(struct gl_context *ctx, struct gl_sync_object *syncObj,
+ int amount)
{
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- syncObj->RefCount++;
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
-}
+ struct set_entry *entry;
-
-void
-_mesa_unref_sync_object(GLcontext *ctx, struct gl_sync_object *syncObj)
-{
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- syncObj->RefCount--;
+ simple_mtx_lock(&ctx->Shared->Mutex);
+ syncObj->RefCount -= amount;
if (syncObj->RefCount == 0) {
- remove_from_list(& syncObj->link);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ entry = _mesa_set_search(ctx->Shared->SyncObjects, syncObj);
+ assert (entry != NULL);
+ _mesa_set_remove(ctx->Shared->SyncObjects, entry);
+ simple_mtx_unlock(&ctx->Shared->Mutex);
ctx->Driver.DeleteSyncObject(ctx, syncObj);
} else {
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ simple_mtx_unlock(&ctx->Shared->Mutex);
}
}
-GLboolean
+GLboolean GLAPIENTRY
_mesa_IsSync(GLsync sync)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
- return _mesa_validate_sync(syncObj) ? GL_TRUE : GL_FALSE;
+ return _mesa_get_and_ref_sync(ctx, sync, false) ? GL_TRUE : GL_FALSE;
}
-void
-_mesa_DeleteSync(GLsync sync)
+static ALWAYS_INLINE void
+delete_sync(struct gl_context *ctx, GLsync sync, bool no_error)
{
- GET_CURRENT_CONTEXT(ctx);
- struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ struct gl_sync_object *syncObj;
/* From the GL_ARB_sync spec:
*
return;
}
- if (!_mesa_validate_sync(syncObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glDeleteSync");
+ syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+ if (!no_error && !syncObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glDeleteSync (not a valid sync object)");
return;
}
/* If there are no client-waits or server-waits pending on this sync, delete
- * the underlying object.
+ * the underlying object. Note that we double-unref the object, as
+ * _mesa_get_and_ref_sync above took an extra refcount to make sure the
+ * pointer is valid for us to manipulate.
*/
syncObj->DeletePending = GL_TRUE;
- _mesa_unref_sync_object(ctx, syncObj);
+ _mesa_unref_sync_object(ctx, syncObj, 2);
}
-GLsync
-_mesa_FenceSync(GLenum condition, GLbitfield flags)
+void GLAPIENTRY
+_mesa_DeleteSync_no_error(GLsync sync)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_sync_object *syncObj;
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+ delete_sync(ctx, sync, true);
+}
- if (condition != GL_SYNC_GPU_COMMANDS_COMPLETE) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glFenceSync(condition=0x%x)",
- condition);
- return 0;
- }
- if (flags != 0) {
- _mesa_error(ctx, GL_INVALID_VALUE, "glFenceSync(flags=0x%x)",
- condition);
- return 0;
- }
+void GLAPIENTRY
+_mesa_DeleteSync(GLsync sync)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ delete_sync(ctx, sync, false);
+}
+
+
+static GLsync
+fence_sync(struct gl_context *ctx, GLenum condition, GLbitfield flags)
+{
+ struct gl_sync_object *syncObj;
- syncObj = ctx->Driver.NewSyncObject(ctx, GL_SYNC_FENCE);
+ syncObj = ctx->Driver.NewSyncObject(ctx);
if (syncObj != NULL) {
- syncObj->Type = GL_SYNC_FENCE;
/* The name is not currently used, and it is never visible to
* applications. If sync support is extended to provide support for
* NV_fence, this field will be used. We'll also need to add an object
ctx->Driver.FenceSync(ctx, syncObj, condition, flags);
- _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
- insert_at_tail(& ctx->Shared->SyncObjects, & syncObj->link);
- _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+ simple_mtx_lock(&ctx->Shared->Mutex);
+ _mesa_set_add(ctx->Shared->SyncObjects, syncObj);
+ simple_mtx_unlock(&ctx->Shared->Mutex);
- return (GLsync) syncObj;
+ return (GLsync)syncObj;
}
return NULL;
}
-GLenum
-_mesa_ClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
+GLsync GLAPIENTRY
+_mesa_FenceSync_no_error(GLenum condition, GLbitfield flags)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
- GLenum ret;
- ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_WAIT_FAILED);
+ return fence_sync(ctx, condition, flags);
+}
- if (!_mesa_validate_sync(syncObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glClientWaitSync");
- return GL_WAIT_FAILED;
+
+GLsync GLAPIENTRY
+_mesa_FenceSync(GLenum condition, GLbitfield flags)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, 0);
+
+ if (condition != GL_SYNC_GPU_COMMANDS_COMPLETE) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glFenceSync(condition=0x%x)",
+ condition);
+ return 0;
}
- if ((flags & ~GL_SYNC_FLUSH_COMMANDS_BIT) != 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glClientWaitSync(flags=0x%x)", flags);
- return GL_WAIT_FAILED;
+ if (flags != 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glFenceSync(flags=0x%x)", condition);
+ return 0;
}
- _mesa_ref_sync_object(ctx, syncObj);
+ return fence_sync(ctx, condition, flags);
+}
+
+
+static GLenum
+client_wait_sync(struct gl_context *ctx, struct gl_sync_object *syncObj,
+ GLbitfield flags, GLuint64 timeout)
+{
+ GLenum ret;
/* From the GL_ARB_sync spec:
*
if (syncObj->StatusFlag) {
ret = GL_ALREADY_SIGNALED;
} else {
- ctx->Driver.ClientWaitSync(ctx, syncObj, flags, timeout);
-
- ret = syncObj->StatusFlag ? GL_CONDITION_SATISFIED : GL_TIMEOUT_EXPIRED;
+ if (timeout == 0) {
+ ret = GL_TIMEOUT_EXPIRED;
+ } else {
+ ctx->Driver.ClientWaitSync(ctx, syncObj, flags, timeout);
+
+ ret = syncObj->StatusFlag
+ ? GL_CONDITION_SATISFIED : GL_TIMEOUT_EXPIRED;
+ }
}
- _mesa_unref_sync_object(ctx, syncObj);
+ _mesa_unref_sync_object(ctx, syncObj, 1);
return ret;
}
-void
+GLenum GLAPIENTRY
+_mesa_ClientWaitSync_no_error(GLsync sync, GLbitfield flags, GLuint64 timeout)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_sync_object *syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+ return client_wait_sync(ctx, syncObj, flags, timeout);
+}
+
+
+GLenum GLAPIENTRY
+_mesa_ClientWaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
+{
+ GET_CURRENT_CONTEXT(ctx);
+ struct gl_sync_object *syncObj;
+
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_WAIT_FAILED);
+
+ if ((flags & ~GL_SYNC_FLUSH_COMMANDS_BIT) != 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glClientWaitSync(flags=0x%x)", flags);
+ return GL_WAIT_FAILED;
+ }
+
+ syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+ if (!syncObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glClientWaitSync (not a valid sync object)");
+ return GL_WAIT_FAILED;
+ }
+
+ return client_wait_sync(ctx, syncObj, flags, timeout);
+}
+
+
+static void
+wait_sync(struct gl_context *ctx, struct gl_sync_object *syncObj,
+ GLbitfield flags, GLuint64 timeout)
+{
+ ctx->Driver.ServerWaitSync(ctx, syncObj, flags, timeout);
+ _mesa_unref_sync_object(ctx, syncObj, 1);
+}
+
+
+void GLAPIENTRY
+_mesa_WaitSync_no_error(GLsync sync, GLbitfield flags, GLuint64 timeout)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ struct gl_sync_object *syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+ wait_sync(ctx, syncObj, flags, timeout);
+}
+
+
+void GLAPIENTRY
_mesa_WaitSync(GLsync sync, GLbitfield flags, GLuint64 timeout)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ struct gl_sync_object *syncObj;
- if (!_mesa_validate_sync(syncObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glWaitSync");
+ if (flags != 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glWaitSync(flags=0x%x)", flags);
return;
}
- if (flags != 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glWaitSync(flags=0x%x)", flags);
+ if (timeout != GL_TIMEOUT_IGNORED) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glWaitSync(timeout=0x%" PRIx64 ")",
+ (uint64_t) timeout);
return;
}
- /* From the GL_ARB_sync spec:
- *
- * If the value of <timeout> is zero, then WaitSync does nothing.
- */
- if (timeout == 0) {
+ syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+ if (!syncObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glWaitSync (not a valid sync object)");
return;
}
- ctx->Driver.ServerWaitSync(ctx, syncObj, flags, timeout);
+ wait_sync(ctx, syncObj, flags, timeout);
}
-void
+void GLAPIENTRY
_mesa_GetSynciv(GLsync sync, GLenum pname, GLsizei bufSize, GLsizei *length,
- GLint *values)
+ GLint *values)
{
GET_CURRENT_CONTEXT(ctx);
- struct gl_sync_object *const syncObj = (struct gl_sync_object *) sync;
+ struct gl_sync_object *syncObj;
GLsizei size = 0;
GLint v[1];
- ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (!_mesa_validate_sync(syncObj)) {
- _mesa_error(ctx, GL_INVALID_OPERATION, "glGetSynciv");
+ syncObj = _mesa_get_and_ref_sync(ctx, sync, true);
+ if (!syncObj) {
+ _mesa_error(ctx, GL_INVALID_VALUE,
+ "glGetSynciv (not a valid sync object)");
return;
}
switch (pname) {
case GL_OBJECT_TYPE:
- v[0] = syncObj->Type;
+ v[0] = GL_SYNC_FENCE;
size = 1;
break;
default:
_mesa_error(ctx, GL_INVALID_ENUM, "glGetSynciv(pname=0x%x)\n", pname);
+ _mesa_unref_sync_object(ctx, syncObj, 1);
return;
}
- if (size > 0) {
+ /* Section 4.1.3 (Sync Object Queries) of the OpenGL ES 3.10 spec says:
+ *
+ * "An INVALID_VALUE error is generated if bufSize is negative."
+ */
+ if (bufSize < 0) {
+ _mesa_error(ctx, GL_INVALID_VALUE, "glGetSynciv(pname=0x%x)\n", pname);
+ }
+
+ if (size > 0 && bufSize > 0) {
const GLsizei copy_count = MIN2(size, bufSize);
- _mesa_memcpy(values, v, sizeof(GLint) * copy_count);
+ memcpy(values, v, sizeof(GLint) * copy_count);
}
if (length != NULL) {
*length = size;
}
-}
-#endif /* FEATURE_ARB_sync */
+ _mesa_unref_sync_object(ctx, syncObj, 1);
+}
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